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Anchor cable or anchor tray with polyurethane coating and manufacturing method thereof

A polyurethane and cladding technology is applied in the field of anchor cables or anchor rod trays and their production, which can solve the problems of easy rust and oxygen corrosion, easy loosening of trays, small pre-tightening force, etc. , light weight effect

Active Publication Date: 2018-04-20
黑龙江天地承尚科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to propose a kind of anchor cable or anchor rod tray with polyurethane cladding layer and its manufacturing method, which solves the problems of easy loosening, small pre-tightening force and easy Problems of mesh cutting, easy rust and oxygen corrosion and high cost

Method used

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  • Anchor cable or anchor tray with polyurethane coating and manufacturing method thereof
  • Anchor cable or anchor tray with polyurethane coating and manufacturing method thereof
  • Anchor cable or anchor tray with polyurethane coating and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A method for making an anchor cable or anchor tray with a polyurethane coating, characterized in that the steps are as follows:

[0026] a. Stamping the pressure ring 6 and the dish-shaped disc 7 with a central through hole respectively;

[0027] b. Weld the pressure ring 6 to the bottom of the inner side of the disc 7 to form a disc-shaped metal bearing support member 1;

[0028] c. Add 100 parts of polymer polyurethane thermoplastic TPU-68D elastomer treated with coupling agent KH570, 10 parts of flame retardant HF-TPU, and 10 parts of antistatic agent E-1228 into a twin-screw extruder to extrude Obtain modified polyurethane particles after granulation;

[0029] d. Place the disc-shaped metal bearing support member 1 in the cavity of the injection mold, then put the modified polyurethane particles prepared in step c into an injection molding machine and inject and coat the surface of the disc-shaped metal bearing support member 1 to obtain For anchor cables or ancho...

Embodiment 2

[0031] A method for making an anchor cable or anchor tray with a polyurethane coating, characterized in that the steps are as follows:

[0032] a. Stamping the pressure ring 6 and the metal disc 7 with a central through hole respectively;

[0033] b. Weld the pressure ring 6 to the bottom of the inner side of the disc 7 to form a disc-shaped metal bearing support member 1;

[0034] c. Add 100 parts of polymer polyurethane thermoplastic TPU-68D elastomer treated with coupling agent KH570, 12 parts of flame retardant HF-TPU, and 5 parts of antistatic agent E-1228 into a twin-screw extruder to extrude Obtain modified polyurethane particles after granulation;

[0035] d. Place the disc-shaped metal bearing support member 1 in the cavity of the injection mold, then put the modified polyurethane particles prepared in step c into an injection molding machine and inject and coat the surface of the disc-shaped metal bearing support member 1 to obtain For anchor cables or anchor rod t...

Embodiment 3

[0037] A method for making an anchor cable or anchor tray with a polyurethane coating, characterized in that the steps are as follows:

[0038] a. Stamping the pressure ring 6 and the metal disc 7 with a central through hole respectively;

[0039] b. Weld the pressure ring 6 to the bottom of the inner side of the disc 7 to form a disc-shaped metal bearing support member;

[0040] c. Add 100 parts of polymer polyurethane thermoplastic TPU-68D elastomer treated with coupling agent KH570, 15 parts of flame retardant HF-TPU, and 12 parts of antistatic agent E-1228 into a twin-screw extruder to extrude Obtain modified polyurethane particles after granulation;

[0041] d. Place the disc-shaped metal bearing support member 1 in the cavity of the injection mold, then put the modified polyurethane particles prepared in step c into an injection molding machine and inject and coat the surface of the disc-shaped metal bearing support member 1 to obtain For anchor cables or anchor rod tr...

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Abstract

The invention discloses an anchor cable or anchor stock pallet with a polyurethane coating layer. The anchor cable or anchor stock pallet comprises a dished metal bearing and supporting component composed of a yielding ring and a dished disc. The yielding ring is fixedly connected to the bottom of the inner side of the dished disc. The dished metal bearing and supporting component is coated with the polyurethane layer. The anchor cable or anchor stock pallet has the following advantages that the anchor cable or anchor stock pallet is resistant to static electricity, flame and corrosion, low in weight, the application period is long, the pretightening force of an anchor cable and an anchor stock is increased, the yielding effect is achieved, the adhesive force is high, the affinity is achieved, the pallet can be widely applied to bare reinforcement environments, such as dams, roadside protection slopes, mountains, reservoirs, bridges, houses, subway tunnels, shaft and drift supports and other mineral engineering; and the supporting quality, safety and normalization are improved through the appearing of the pallet, and the pallet is an updated product and has quite important social benefits and practical significance.

Description

technical field [0001] The invention relates to the field of anchoring and supporting, in particular to an anchor cable or anchor tray with a polyurethane coating layer and a manufacturing method thereof. Background technique [0002] With the continuous improvement of safety production requirements in our country, while the anchor cables and anchor trays in shaft support and other industries have specified strength, they are also required to be rust-free, have a large pre-tightening force, and have a long service life. The lower energy has the characteristics of giving way, and the matching components have good anti-loose performance. [0003] The anchor cables and anchor trays used in the existing coal mine laneway support and other industry support are made of steel plate stamping or forging. Cutting the net, affecting the quality of the net, easy to rust and oxygen corrosion, short life and high cost. In addition, the quality of anchor cables and anchor rods in various ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21D21/00B29C45/14B29C45/76B29C45/78C08L75/04B29K75/00
CPCB29C45/14B29C45/76B29C45/78B29C2945/76498B29C2945/76531B29K2075/00C08K2201/017C08L75/04E21D21/0006E21D21/0086
Inventor 何清江关博琦王友才
Owner 黑龙江天地承尚科技有限公司
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