Cutting nipper device for rapidly cutting off reinforcing steel bars

Abstract

The utility model discloses a cutting nipper device for rapidly cutting off reinforcing steel bars, which comprises a cutting nipper and an air cylinder, the cutting nipper comprises oppositely arranged clamping plates, two oppositely arranged tool bits are arranged between the two clamping plates side by side, the two tool bits are respectively hinged with the two clamping plates through pin shafts, and the opposite sides of the front parts of the two tool bits are respectively provided with a blade. The rear ends of the two tool bits are hinged to one ends of connecting rods respectively, the other ends of the two connecting rods face the inner sides of the two tool bits and are hinged to the two ends of a push rod, the air cylinder comprises a cylinder barrel and a telescopic rod, the push rod is fixedly connected with the end of the telescopic rod, and the two clamping plates are fixedly connected with one ends of pull rods respectively. The telescopic rod enables the tool bit to be opened and closed through the push rod and the connecting rod at the two dead center positions of the stroke range. The pneumatic driving system is utilized, the air cylinder drives the connecting mechanism to control the tool bit to cut off anchor net cable supporting materials, work efficiency is greatly improved, and labor intensity is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of underground coal mine machinery, and particularly relates to a shearing tongs device for quickly cutting off reinforcing steel bars. BACKGROUND

[0002] When adopting anchor net cable support underground, the diamond net and reinforcing steel mesh need to be sheared due to different roadway cross sections, and even the reinforcing steel ladder needs to be sheared in the roadway repair site where the reinforcing steel ladder is erected for reinforcement, and the commonly used shearing tools mainly include broken wire pliers and open hydraulic shears KMQ-500.

[0003] The conventional broken wire pliers are convenient to carry and flexible to operate, but are only suitable for shearing wire rods with a diameter of less than 8 mm, and are low in efficiency when facing large-diameter reinforcing steel bars or high-strength materials, and long-time operation is easy to cause fatigue of operators. The KMQ-500 type open hydraulic shears can efficiently process large-diameter reinforcing steel bars and hard materials by virtue of the strong shearing force provided by the hydraulic system, but are relatively bulky and inconvenient to carry, and must be ensured to have enough space to accommodate the shears during use, and cannot be used in narrow space construction sites. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims to provide a shearing tongs device for quickly cutting off reinforcing steel bars, which uses compressed air as a power source and can quickly and effectively realize shearing of diamond net, reinforcing steel ladder, reinforcing steel mesh and other materials under the premise of ensuring safety and without space limitation.

[0005] The utility model adopts the technical scheme that a shearing tongs device for quickly cutting off reinforcing steel bars comprises shearing tongs and a cylinder, the shearing tongs comprise oppositely arranged clamping plates, two clamping plates are provided with two mutually opposite cutter heads side by side between the two clamping plates, the two cutter heads are hingedly connected with the two clamping plates through a pin shaft respectively, the front sides of the two cutter heads are provided with cutting edges respectively, one end of a connecting rod is hingedly connected with the rear end of each cutter head, the other end of the two connecting rods faces the inner side of the two cutter heads, and the two ends of a push rod are hingedly connected with the other end of the connecting rod, the cylinder comprises a cylinder barrel and a telescopic rod, the push rod is fixedly connected with the end head of the telescopic rod, one end of a pull rod is fixedly connected with each clamping plate, the other end of the pull rod is fixedly connected with the front end of the cylinder barrel, and the telescopic rod is provided with two stop points in the stroke range, and the cutter heads are opened and closed through the push rod and the connecting rod at the two stop points.

[0006] Further, a fixed plate is fixed to the front end of the cylinder barrel, and the end of the pull rod is fixedly connected with the fixed plate.

[0007] Further, a handle is fixed to one pull rod near the cylinder.

[0008] Further, the cylinder comprises a reversing valve, the reversing valve is fixed to the pull rod near the handle, and the reversing valve is connected with the cylinder to control the reversing.

[0009] Further, the reversing valve is provided with a control push rod.

[0010] The snipper device for quickly cutting steel bars provided by the utility model adopts a pneumatic driving system, and the opening and closing of the cutter head are accurately controlled through a cylinder and a connecting mechanism, so that the cutting of materials such as steel bars, steel ladders, steel mesh and diamond meshes is efficiently and quickly realized. Compared with the prior art, the utility model has the following beneficial effects:

[0011] 1. Compared with traditional wire cutters and hydraulic shears, the device can efficiently shear large-diameter steel bars (such as 16mm round steel) and high-strength materials, is suitable for various complex working conditions, and can easily cope with the shearing of materials such as steel bars and steel ladders, especially in a narrow space.

[0012] 2. The device is driven by a pneumatic system, has light weight and good operability, is not limited by the size of the space, can be used in a narrow working environment underground, and solves the problems of the hydraulic shears being heavy and difficult to carry.

[0013] 3. The powerful pneumatic system can quickly complete the cutting of steel bars, reduces the manual operation time, and significantly improves the work efficiency. At the same time, the pneumatic driving mode effectively reduces the labor intensity of the operator and reduces the fatigue caused by long-time use of traditional tools.

[0014] 4. The device is rationally designed, the action of the cylinder is controlled by a reversing valve, the safety and accuracy of operation are ensured, and potential safety hazards caused by mechanical failure or operation error are avoided.

[0015] 5. The reversing valve of the device is arranged at the handle, the operation process is simplified, the operator can realize the accurate opening and closing of the cutter head through simple control, and the work efficiency and use convenience are greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is a structural schematic view of the utility model;

[0017] Fig. 2 is a front view of the utility model;

[0018] Fig. 3 is a side view of the utility model;

[0019] Fig. 4 is a top view of the utility model.

[0020] In the drawing: 1, cylinder; 11, cylinder barrel; 12, telescopic rod; 13, reversing valve; 2, clamping plate; 3, cutter head; 4, connecting rod; 5, push rod; 6, pull rod; 7, fixed plate; 8, handle. DETAILED DESCRIPTION

[0021] In order to better understand the purpose, structure and function of the utility model, the utility model of a kind of shears of quick cutting reinforcing bar's pincers device is further described in detail below with reference to the drawings.

[0022] As Figs. 1-4 The utility model discloses a kind of shears of quick cutting reinforcing bar's pincers device, including pincers and cylinder 1, pincers include oppositely arranged clamping plate 2, two clamping plate 2 between and side by side two mutually opposite cutter heads 3 are provided, two cutter heads 3 are respectively hinged with two clamping plate 2 by pin shaft, two cutter heads 3 front part are respectively provided with cutting edge on the side of facing each other, one end of two connecting rods 4 is respectively hinged and connected with the rear end of two cutter heads 3, the other end of two connecting rods 4 is towards the inner side of two cutter heads 3, and the two ends of push rod 5 are hinged, cylinder 1 includes cylinder barrel 11 and telescopic rod 12, push rod 5 is fixedly connected with the end of telescopic rod 12, one end of two clamping plate 2 is respectively fixedly connected with pull rod 6, the other end of pull rod 6 is fixedly connected with the front end of cylinder barrel 11, and telescopic rod 12 is respectively made cutter head 3 open and close by connecting rod 4 and push rod 5 at the two stop positions of stroke range.

[0023] In the embodiment, the front end of cylinder barrel 11 is fixedly connected with fixed plate 7, and the end of pull rod 6 is fixedly connected with fixed plate 7. One of pull rod 6 is fixedly connected with handle 8 close to the side of cylinder 1. Cylinder 1 includes reversing valve 13, and reversing valve 13 is fixedly arranged at the position of pull rod 6 close to handle 8. Reversing valve 13 is connected with cylinder 1 to control reversing. Control push rod is arranged on reversing valve 13.

[0024] The pincers device of the embodiment is mainly composed of cylinder 1, cutter head 3, connecting mechanism (connecting rod 4 and push rod 5) and control push rod. Cylinder 1 connects pressure air to control the expansion and contraction of telescopic rod 12 through control push rod. Telescopic rod 12 is connected with cutter head 3 through connecting mechanism. Connecting mechanism converts the expansion and contraction movement of cylinder 1 into the opening and closing movement of cutter head 3.

[0025] When in use, connect pressure air, press control push rod, extend telescopic rod 12, open cutter head 3, place cutter head 3 at the position to be cut, press control push rod, retract telescopic rod 12, close cutter head 3, and then cut. The device can quickly cut anchor net cable supporting materials.

[0026] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, these features and embodiments can be modified to adapt to specific conditions and materials under the guidance of the utility model without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope of protection of the utility model.

Claims

1. A snipper device for cutting off reinforcing steel bars quickly, characterized in that, The utility model relates to a cutting tongs and cylinder (1), the cutting tongs includes opposite clamping plate (2), two clamping plate (2) between and side by side two mutually opposite cutter head (3) are arranged, two cutter head (3) are hinged with two clamping plate (2) respectively through pin shaft, and the front of two cutter head (3) is respectively provided with cutting edge, and the rear end of two cutter head (3) is respectively hinged to be connected with the one end of connecting rod (4), and the other end of two connecting rod (4) is towards two cutter head (3) inner side, and is hinged to connect the both ends of push rod (5), and the cylinder (1) includes cylinder barrel (11) and telescopic rod (12), and push rod (5) is fixedly connected with the end of telescopic rod (12), and two clamping plate (2) are respectively fixedly connected with the one end of pull rod (6), and the other end of pull rod (6) is fixedly connected with the front end of cylinder barrel (11), and the telescopic rod (12) is in the range of stroke two stop point positions respectively through push rod (5) with connecting rod (4) makes cutter head (3) open and shut.

2. The device according to claim 1, characterized in that, Including fixed plate (7), fixed plate (7) is fixed in the front end of cylinder barrel (11), and the end of pull rod (6) is fixedly connected with fixed plate (7).

3. The device according to claim 1, wherein Including handle (8), handle (8) is fixed in one of pull rod (6) near the side of cylinder (1).

4. The device according to claim 3, characterized in that, The cylinder (1) includes reversing valve (13), and the reversing valve (13) is fixed at the position of pull rod (6) near handle (8), and the reversing valve (13) is connected with the cylinder (1) and controls reversing.

5. The device according to claim 4, characterized in that, The reversing valve (13) is provided with control push rod.

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