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how to use fireproof spades
author：管理員
classification：news center
label：555
code：548
time：2020.12.25.16:52
Information details：
fire prevention shovel is an ordinary shovel, only du is specially placed in the fire fighting equipment storage place, often stored with sandbox, in case of fire, when you need to use sand to isolate the fire, you can have tools to use, there is no special use method: dig sand, lift sand to cover the fire, knock loose burning things to put out.
User level：Super user
User identity：administrators
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title：the protruding nose bridge and the protruding reinforcing rib are extended through the shovel body
time：2020.12.26.11:12
introduce： in the utility model, the cross section of the convex reinforcing rib is arc-shaped or v-shaped. the spade body and the convex reinforcing rib arranged on the convex nose bridge of the utility model are in the same shape. in the new model, the convex reinforcing rib can be arranged on the steel spade of flat head steel spade, pointed head steel spade, heart-shaped steel spade, flat head or flat pointed head spade body. furthermore, the raised stiffener is in the shape of a strip, or in the shape of a y, or in the shape of a v, or in the shape of a strip with an inclined section at one end. in the new model, the cross section of the convex nose bridge is arc-shaped or v-shaped. in the utility model, the convex reinforcing rib on the spade body is located in the middle position between the convex nose bridge and the end edge of the spade body. the positive effect of the utility model is: because the transition between the spade trousers and the spade body is adopted, a convex nose is formed, which extends close to the blade of the spade body, the distance between the spade body and the convex nose is reduced, and the strength of the spade body is enhanced through the convex nose. at the same time, the strength of each part of the spade body is improved by using the convex stiffeners set on the spade body on both sides of the convex nose bridge and the convex stiffeners on the convex nose bridge. the service life of the steel shovel is effectively improved. fig. 1 is a schematic diagram of the new type; fig. 2 is an embodiment of fig. 1; fig. 3 is another embodiment of fig. 1. the specific implementation mode of the utility model will be further explained in combination with the embodiment of the drawings. [0016] an example of a flat headed steel spade is shown in fig. 1. the flat steel spade comprises a spade body i and a spade trousers 2. in this embodiment, the convex nose bridge 3 formed between the spade trousers 2 and the spade body i body extends to the edge of the spade body and leaves a certain distance from the edge of the spade body. the cross section of the convex nose bridge 3 in this embodiment is arc-shaped. at the same time, in order to strengthen the strength of the spade body i body, a convex reinforcing rib 4 is respectively arranged on the spade body i body on both sides of the convex nose beam 3. the convex reinforcing rib 4 on the spade body i in this embodiment is given by a strip shape and an inclined section at one end. according to the application characteristics of the steel spade in the embodiment, it can also be considered that on the basis of the above structure, a convex reinforcing rib is set on the convex nose 4 (not shown in the figure). therefore, the comprehensive strength and performance of the steel spade are improved. in addition to the above embodiment, the convex reinforcing rib 4 on the spade body i can also adopt a vertical bar shape, or a y shape, or a v shape. all of them have the same function. the convex reinforcing rib 4 in the embodiment can be arranged on the flat steel spade, pointed steel spade, heart-shaped steel spade, flat flat or flat pointed steel spade. in the above, the cross section of the convex nose bridge 4 is not only arc-shaped, but also v-shaped. in this embodiment, the convex reinforcing rib 4 on the spade body i is located in the middle of the convex nose bridge 3 and the end edge of the spade body. this is beneficial to the uniform distribution of the strength of the spade body. fig. 2 shows an example of a pointed steel spade. the pointed steel spade of the embodiment also comprises a spade body i, a spade trousers 2 led out, and a convex reinforcing rib 4 arranged on the body of the spade body i. different from figure 1, the cross section of nose bridge 3 formed between spade trousers 2 and spade body i body is v-shaped, and the nose bridge 3 of spade trousers 2 and spade body i transition part is provided with spade trousers convex reinforcing rib 5, which is used to improve the strength of spade trousers 2 and spade body i transition part. the spade body i of this embodiment is a curved spade body. fig. 3 shows an example of a heart-shaped steel spade. it differs from figures 1 and 2 in that the spade body i is a flat spade body with a heart shape. the convex nose bridge 3 of the transition part between the spade pants 2 and the spade body i of the embodiment extends to the position of the spade body edge to increase the strength of the heart-shaped spade body edge. claim 1. a steel spade, which comprises a spade body and spade trousers, is characterized in that the convex nose (3) formed between the spade trousers (2) and the spade body (i) extends to the blade of the spade body, and the spade body (i) on both sides of the convex nose (3) is provided with at least one convex reinforcing rib (4) or / and the convex nose (3) is provided with a convex reinforcing rib (5). 2. the steel spade according to claim 1, which is characterized in that the cross section of the convex reinforcing rib (4) is arc-shaped or v-shaped. 3. the steel spade according to claim 1, which is characterized in that the convex reinforcing rib (4) can be arranged on the flat steel spade, pointed steel spade, heart-shaped steel spade, flat flat or flat pointed steel spade. 4. the steel spade according to claim 1, which is characterized in that the convex reinforcing rib (4) is in a strip shape, or a y shape, or a v shape, or a strip shape with an inclined section at one end. 5. the steel spade according to claim 1, which is characterized in that the cross section of the convex nose bridge (3) is arc-shaped or v-shaped. 6. the steel spade according to claim 1, which is characterized in that the convex reinforcing rib (4) on the spade body is located in the middle of the convex nose beam and the end edge of the spade body. patent abstract the utility model discloses a steel spade, which comprises a spade body and spade trousers led out; the convex nose bridge formed between the spade trousers and the spade body extends to the blade part close to the spade body, and the spade body body on both sides of the convex nose bridge is provided with at least one convex reinforcing rib or / and the convex nose bridge is provided with a convex reinforcing rib. in this way, the strength and service life of the steel spade can be greatly improved through the protruding nose beam and the protruding stiffener of the spade body. the problem of low strength and easy breaking of traditional steel spade is solved.
title：what is the best steel for steel spades
time：2020.12.25.16:51
introduce：the most reasonable way to produce steel spade in batch is to use sheet metal for stamping. even if the single piece is processed by hand, it is also the most convenient to cut and process with sheet metal. except for low carbon steel, all the steel products in shanghai are wear-resistant, but the hardness of medium carbon steel in other varieties is worse. the question is whether there are ready-made plates for "track steel" and "tool steel"? manganese steel plate processing can be considered as a better material, but the cost will be very high. the brittleness of high carbon steel is greater than that of medium and low carbon steel. combined with the application situation and price of the product itself, low carbon steel plate should be used. after forming, the surface of the steel shovel should be carburized. in this way, the surface hardness of the steel shovel can reach the level of high carbon steel, wear-resistant, and the interior has enough toughness. and the cost is low. the coating on the surface of steel spade is used for surface decoration and rust prevention. ordinary black paint is also the influence of ordinary paint on people and environment. once used, the coating will be worn off. if it is used in the food industry, stainless steel tools can be used with higher requirements, which will be safer and better.
title：what is the best steel for steel spades
time：2020.12.25.16:48
introduce：low carbon steel plate should be used for occasions, price and other factors. after forming, the surface of the steel spade should be carburized. in this way, the surface hardness of the steel spade can reach the level of high carbon steel, wear resistance, and enough toughness inside. and the cost is low. the coating on the surface of steel spade is used for surface decoration and rust prevention. ordinary black paint is also the influence of ordinary paint on people and environment. once used, the coating will be worn off. if it is used in the food industry, stainless steel tools can be used with higher requirements, which will be safer and better.
title：what is the best steel for steel spades
time：2020.12.25.16:44
introduce：the most reasonable way to produce steel spade in batch is to use sheet metal for stamping. even if the single piece is processed by hand, it is also the most convenient to cut and process with sheet metal. except for low carbon steel, all the steel products in shanghai are wear-resistant, but the hardness of medium carbon steel in other varieties is worse. the question is whether there are ready-made plates for "track steel" and "tool steel"? manganese steel plate processing can be considered as a better material, but the cost will be very high. the brittleness of high carbon steel is greater than that of medium and low carbon steel. combined with the application situation and price of the product itself, low carbon steel plate should be used. after forming, the surface of the steel shovel should be carburized. in this way, the surface hardness of the steel shovel can reach the level of high carbon steel, wear-resistant, and the interior has enough toughness. and the cost is low. the coating on the surface of steel spade is used for surface decoration and rust prevention. ordinary black paint is also the influence of ordinary paint on people and environment. once used, the coating will be worn off. if it is used in the food industry, stainless steel tools can be used with higher requirements, which will be safer and better.
title：production process of steel spade
time：2020.12.25.16:43
introduce：at present, the traditional steel spade, whether sharp or flat, is composed of spade body and spade trousers with wooden handle in the middle of spade body. there is a certain angle between the spade trousers and the spade body. therefore, in the long-term pedaling process, the force generated by the contact between the shovel body and the ground will be concentrated on the joint of the shovel body and the nose bridge of the shovel warehouse, resulting in bending or breaking of the part, resulting in the scrap of the steel shovel.
title：how to use fireproof spades
time：2020.12.06.17:45
introduce：fire prevention shovel is an ordinary shovel, only du is specially placed in the place where fire fighting equipment is stored. it is often stored together with sandbox to prevent fire. when shu needs to use sand to isolate fire, tools can be used. there is no special use method: digging sand, lifting sand to cover fire, knocking burning things to extinguish.
title：the hardness of a good knife
time：2020.12.06.17:41
introduce：n terms of sharpness, the steel hardness is higher, the cutting edge degree is smaller, and the edge radian is softer, and the kitchen knife with nonlinear straight drop is sharper and better to use, especially the slicer. generally, the cutting edge of a slicing knife with a hardness of more than 56 is 10-20 degrees, and that of a bone chopper is 25-35 degrees. therefore, a slicer made of the same material and technology must be sharper than a bone chopper. therefore, when choosing a kitchen knife, you should not only consider the material, but also the cutting edge degree. generally, the hardness of the tool edge is 56 + hrc, 58 + hrc steel is very good, and 60hrc is the hardest. only too high hardness is easy to break, so moderate hardness is necessary, excessive can not. it's just too low!
title：what steel is the best steel for the spade
time：2020.12.06.17:37
introduce：the most reasonable way to produce this kind of product in batch is to use plate for stamping. even if it is processed by hand, it is most convenient to cut and process with plate. except for low carbon steel, the steel in the title is resistant to wear, but the hardness of medium carbon steel is worse in other varieties. the question is whether there are ready-made plates for "rail steel" and "tool steel"? manganese steel plate processing can be considered as a good material, but the cost will be very high. high carbon steel is more brittle than medium and low carbon steel. combined with the application situation and price of the product itself, low carbon steel plate should be used. after forming, the surface hardness of steel spade can reach the level of high carbon steel, wear-resistant, and the internal has enough toughness. and the cost is low.
the coating on the surface of steel spade is used for product surface decoration and rust prevention. ordinary black paint is the impact of ordinary paint on people and environment. once used, the coating will be worn off. if it is used in the food industry, the requirements are higher, stainless steel tools can be used, which is safer and easier to see.
title：technology of making steel spade based on continuous cold stamping die
time：2020.12.06.17:33
introduce：the invention relates to a manufacturing process of hardware tools, in particular to a process for manufacturing steel spades based on a continuous cold stamping die. the strip steel coil is placed in the strip uncoiler, and then the strip steel is leveled by the temper mill. the leveled strip steel enters the feeder, and the feeder delivers the material to the press according to the set length. after entering the press, the strip steel passes through seven working sections of the continuous cold stamping die in turn, and then the formed spade is quenched, antirust treated and packed. the production efficiency is obviously improved, and the labor cost is greatly reduced. the traditional process requires about 10 people to complete the work, and the invention can be easily completed by only 1 to 2 people. the whole spade body forming process can be smoothly formed without heating, thus greatly reducing the energy consumption and environmental pollution.
Technical support: Jinnuo
Gongxin：冀icp備19034999號-1
License
baidu