Iron wire pneumatic shear for underground coal mine

Abstract

The utility model discloses a coal mine underground iron wire pneumatic shear which comprises a clamp, a support clamp is movably connected to the upper end of the clamp in a clamped mode, pneumatic shear supports are fixedly installed at the front end and the rear end of the support clamp respectively, and the ends, away from the support clamp, of the pneumatic shear supports are movably connected with an air cylinder body through screws. The air cylinder body is provided with an air cylinder air outlet hole, and the end, away from the support clamp, of the pliers is movably sleeved with a pliers fixing ring. Through the cooperation of the air cylinder body, the pliers, the I-shaped connector and the piston rod and the arrangement of the I-shaped connector, the connection effect of the lower end of the pliers and the piston rod is achieved, the problem that a worker holds the pliers to cut off iron wires is effectively solved, and the telescopic movement of the piston rod drives the lower end of the pliers to move towards the upper end. The pliers can move automatically, the workload of workers is reduced, and meanwhile the iron wire cutting efficiency is improved.

Description

Technical Field

[0001] This utility model belongs to the field of wire cutting technology, specifically relating to a pneumatic wire cutter for use in underground coal mines. Background Technology

[0002] In the support of coal mine roadways and coal mining faces, wire is an essential material. It can be used not only to make supports and mesh support structures to enhance the stability of roadways and working faces, but also to fix pipes, cables, and other equipment, maintaining their stable position and preventing accidental movement or detachment. In coal mine equipment and machinery, wire can also be used as a connector to connect various parts and components, improving the stability and safety of the equipment.

[0003] However, in real life, cutting wire is essential so that its length can be adjusted according to actual use. During the cutting process, workers need to use pliers to cut the wire. Due to the different diameters of the wire, when the diameter is too thick, workers need a certain amount of grip strength to cut it, which increases the difficulty of cutting the wire. At the same time, as the number of times the wire is used increases, the number of times the worker needs to cut the wire also increases, thus increasing the workload of the worker and reducing the efficiency of wire cutting. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this utility model provides a pneumatic wire cutter for underground coal mines, which has the advantages of facilitating wire cutting, reducing the workload of workers in cutting wire, and improving the efficiency of wire cutting, thus solving the problems mentioned in the background art.

[0005] This utility model provides the following technical solution: a pneumatic wire cutter for underground coal mines, comprising pliers, a bracket clamp movably connected to the upper end of the pliers, pneumatic cutter brackets fixedly installed at both ends of the bracket clamp, the end of the pneumatic cutter bracket away from the bracket clamp being movably connected to a cylinder body via screws, a cylinder outlet hole being provided on the cylinder body, a pliers fixing ring movably sleeved at the end of the pliers away from the bracket clamp, I-shaped connectors fixedly installed at both ends of the pliers fixing ring, a piston rod movably connected to the end of the I-shaped connector away from the pliers fixing ring, and the outer wall of the piston rod being movably sleeved with the inner wall of the cylinder body, an mounting block bolted to the lower end of the cylinder body, a quick-connect air pipe connector bolted to the end of the mounting block away from the cylinder body, and an air pipe connected to the quick-connect air pipe connector, a cylinder control valve being installed on one side of the quick-connect air pipe connector.

[0006] Furthermore, the pneumatic shear bracket and the cylinder body are connected by screws, and the upper end of the pneumatic shear bracket is welded to the bracket clip.

[0007] Furthermore, the upper end of the pliers is fixed to the pneumatic shear bracket by a bracket, and the lower end of the pliers is connected to the I-type connector by a pliers retaining ring.

[0008] Furthermore, the upper end of the I-shaped connector is fixedly connected to the outer wall of the clamp retaining ring, and the lower end of the I-shaped connector is fixed to the piston rod by bolts.

[0009] Furthermore, the cylinder body has an internal cavity, the interior of which is movably connected to the outer wall of the lower end of the piston rod, and the cavity is connected to the cylinder outlet, the mounting block, and the quick connector of the air pipe.

[0010] Furthermore, the bracket includes a crossbar, and the front and rear ends of the crossbar are welded to the upper ends of the pneumatic shear brackets on the front and rear sides respectively. The front and rear ends of the bottom surface of the crossbar are fixedly installed with clamping blocks. The clamping blocks on the front and rear sides are engaged with the upper end of the pliers. The inner wall of the crossbar is movably connected with a clamp located outside the clamping blocks. The front and rear ends of the clamp are threaded with fastening bolts located above the crossbar. Beneficial effects

[0011] This invention utilizes the cooperation between the cylinder body, pliers, I-shaped connector, and piston rod. By using the I-shaped connector, the lower end of the pliers is connected to the piston rod, effectively solving the problem of workers manually cutting wire with pliers. The extension and retraction of the piston rod drives the lower end of the pliers to move upward, enabling the pliers to move automatically, reducing the workload of workers, and improving the efficiency of wire cutting.

[0012] This utility model utilizes the cooperation between pliers, a bracket clip, and a pliers retaining ring. The bracket clip and the retaining ring provide support for the installation of the pliers, effectively solving the problem of pliers replacement. The connection method in which the bracket clip and the retaining ring are movably connected to the upper and lower ends of the pliers simplifies the disassembly and assembly steps of the pliers, thus facilitating the replacement of the pliers. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a cross-sectional view of the cylinder body of this utility model;

[0015] Figure 3 This is a cross-sectional view of the bracket card of this utility model.

[0016] In the diagram: 1. Quick-connect air hose; 2. Cylinder control valve; 3. Cylinder body; 4. Cylinder outlet; 5. Piston rod; 6. Bracket clip; 601. Crossbar; 602. Clip; 603. Clamp; 604. Fastening bolt; 7. Pliers; 8. I-type connector; 9. Pneumatic shear bracket; 10. Pliers retaining ring; 11. Screw; 12. Mounting block. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figures 1 to 3 A pneumatic wire cutter for underground coal mines includes pliers 7. A support clip 6 is movably engaged at the upper end of the pliers 7. Pneumatic shear supports 9 are fixedly installed at both ends of the support clip 6. The end of the pneumatic shear support 9 furthest from the support clip 6 is movably connected to a cylinder body 3 via a screw 11. An air outlet 4 is provided on the cylinder body 3. A pliers retaining ring 10 is movably sleeved at the end of the pliers 7 furthest from the support clip 6. I-shaped connectors 8 are fixedly installed at both ends of the retaining ring 10. A piston rod 5 is movably connected to the end of the I-shaped connector 8 furthest from the retaining ring 10, and the outer wall of the piston rod 5 is movably sleeved with the inner wall of the cylinder body 3. The cylinder body 3... The lower end of the cylinder is bolted with a mounting block 12. The end of the mounting block 12 away from the cylinder body 3 is bolted to a quick-connect air hose 1, and the quick-connect air hose 1 is connected to an air hose. The DN10 air hose is connected to the quick-connect air hose 1 to provide power to the handheld cylinder. A cylinder control valve 2 is installed on one side of the quick-connect air hose 1. The cylinder control valve 2 controls the raising and lowering of the cylinder body 3. The default initial state of the cylinder control valve 2 is a closed state with no air supply. When the cylinder control valve 2 is jogged, air enters the cylinder body 3 and lifts the piston rod 5. When the cylinder control valve 2 is released, the air supply is shut off, and the piston rod 5 is lowered from inside the cylinder body 3.

[0019] The pneumatic shear bracket 9 and the cylinder body 3 are connected by screws 11. The screws 11 are used to connect the pneumatic shear bracket 9 and the cylinder body 3. The upper end of the pneumatic shear bracket 9 is welded to the bracket clip 6.

[0020] The upper end of the pliers 7 is fixed to the pneumatic shear bracket 9 by the bracket clip 6, the lower end of the pliers 7 is connected to the I-type connector 8 by the pliers fixing ring 10, the upper handle of the pliers 7 is connected to the bracket clip 6, and the lower handle of the pliers 7 is connected to the pliers fixing ring 10.

[0021] The upper end of the I-shaped connector 8 is fixedly connected to the outer wall of the pliers retaining ring 10, and the lower end of the I-shaped connector 8 is fixed to the piston rod 5 by bolts. The extension and retraction of the piston rod 5 drives the movement of the lower handle of the pliers 7 through the I-shaped connector 8 and the pliers retaining ring 10.

[0022] The cylinder body 3 has an internal cavity, which is movably connected to the outer wall of the lower end of the piston rod 5. The cavity provides space for the vertical lifting and lowering movement of the piston rod 5. The cavity is connected to the cylinder outlet 4, the mounting block 12 and the quick connector 1 of the air pipe.

[0023] The bracket 6 includes a crossbar 601, and the front and rear ends of the crossbar 601 are welded to the upper ends of the pneumatic shear brackets 9 on the front and rear sides respectively. The front and rear ends of the bottom surface of the crossbar 601 are fixedly installed with locking blocks 602. The locking blocks 602 on the front and rear sides are engaged with the upper end of the pliers 7. The inner wall of the crossbar 601 is movably connected with a clamp 603 located outside the locking blocks 602. The front and rear ends of the clamp 603 are threaded with fastening bolts 604 located above the crossbar 601.

[0024] Working principle: In use, firstly, the quick-connect fitting 1 is fixed to the mounting block 12 with bolts, and the mounting block 12 is fixed to the cylinder body 3 with bolts. Since the cylinder body 3 and the pneumatic shear bracket 9 are connected and fixed by screws 11, and the bracket clip 6 is welded to the pneumatic shear bracket 9, the upper end of the pliers 7 is inserted into the inside of the bracket clip 6, so that the upper end of the pliers 7 is locked between the front and rear side clips 602 and the clamps 603. The pliers 7 and the bracket clip 6 are movably locked, so that the bracket clip 6 supports the upper end of the pliers 7. Then, the lower end of the pliers 7 is inserted into the inside of the pliers fixing ring 10. The pliers fixing ring 10 supports the lower end of the pliers 7. At this time, the pliers 7 can be fixed between the bracket clip 6 and the pliers fixing ring 10. At this time, the upper handle of the pliers 7 is fixed to the pneumatic shear bracket 9 through the bracket clip 6, and the lower handle of the pliers 7 is connected to the bracket 9 through the bracket clip 6. The clamp retaining ring 10 is connected to the I-shaped connector 8. Then, the air hose of the quick-connect air hose 1 provides power to the handheld cylinder. The cylinder control valve 2 controls the raising and lowering of the piston rod 5. Finally, external air is supplied, and the gas enters the interior of the quick-connect air hose 1 through the air hose. The cylinder control valve 2 is initially in a closed state with no air supply. When the cylinder control valve 2 is jogged, the air enters the cavity of the cylinder body 3 and pushes the piston rod 5. The piston rod 5 pushes the I-shaped connector 8 upward, thereby pushing the clamp retaining ring 10. The clamp retaining ring 10 drives the movement of the lower handle of the clamp 7. Because the upper handle of the clamp 7 is stuck in the bracket 6, the upper handle of the clamp 7 does not move at this time, while the lower handle moves, thereby achieving the cutting action of the clamp 7. Releasing the cylinder control valve 2 shuts off the air supply, and the cylinder body 3 causes the piston rod 5 to fall.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pneumatic wire cutter for use in underground coal mines, comprising pliers (7), characterized in that: The upper end of the pliers (7) is movably connected to a bracket (6). Pneumatic shear brackets (9) are fixedly installed at both ends of the bracket (6). The end of the pneumatic shear bracket (9) away from the bracket (6) is movably connected to the cylinder body (3) via a screw (11). The cylinder body (3) has a cylinder outlet hole (4). A pliers fixing ring (10) is movably sleeved at the end of the pliers (7) away from the bracket (6). I-shaped connectors are fixedly installed at both ends of the pliers fixing ring (10). The head (8) is connected to a piston rod (5) at one end away from the clamp fixing ring (10), and the outer wall of the piston rod (5) is movably sleeved with the inner wall of the cylinder body (3). The lower end of the cylinder body (3) is bolted with an mounting block (12). The end of the mounting block (12) away from the cylinder body (3) is bolted with a quick-connect pipe connector (1), and the quick-connect pipe connector (1) is connected with an air pipe. A cylinder control valve (2) is installed on one side of the quick-connect pipe connector (1).

2. The pneumatic wire cutter for underground coal mines according to claim 1, characterized in that: The pneumatic shear bracket (9) and the cylinder body (3) are connected by screws (11), and the upper end of the pneumatic shear bracket (9) is welded to the bracket card (6).

3. The pneumatic wire cutter for underground coal mines according to claim 1, characterized in that: The upper end of the pliers (7) is fixed to the pneumatic shear bracket (9) by the bracket clip (6), and the lower end of the pliers (7) is connected to the I-type connector (8) by the pliers fixing ring (10).

4. The pneumatic wire cutter for underground coal mines according to claim 1, characterized in that: The upper end of the I-type connector (8) is fixedly connected to the outer wall of the pliers fixing ring (10), and the lower end of the I-type connector (8) is fixed to the piston rod (5) by bolts.

5. A pneumatic wire cutter for underground coal mines according to claim 1, characterized in that: The cylinder body (3) has a cavity inside, and the cavity is movably connected to the outer wall of the lower end of the piston rod (5). The cavity is connected to the cylinder outlet (4), the mounting block (12) and the quick connector (1) of the air pipe.

6. A pneumatic wire cutter for underground coal mines according to claim 1, characterized in that: The bracket (6) includes a crossbar (601), and the front and rear ends of the crossbar (601) are welded to the upper ends of the pneumatic shear brackets (9) on the front and rear sides respectively. The front and rear ends of the bottom surface of the crossbar (601) are fixedly installed with a clamp (602). The clamp (602) on the front and rear sides is engaged with the upper end of the pliers (7). The inner wall of the crossbar (601) is movably connected with a clamp (603) located outside the clamp (602). The front and rear ends of the clamp (603) are threaded with fastening bolts (604) located above the crossbar (601).

Images