Anchor cable and anchor rod shearing device

Abstract

The utility model provides an anchor cable and anchor rod shearing device which comprises a shearing plate, an inserting plate and a cross beam, and the shearing plate is arranged in the horizontal direction. The inserting plate is arranged in the vertical direction and provided with a first face and a second face, one end of the shearing plate is connected with the upper end of the first face of the inserting plate, a plurality of first reinforcing ribs are fixedly connected between the first face of the inserting plate and the lower end face of the shearing plate, and lower inserting grooves are symmetrically formed in the two sides of the lower end face of the inserting plate. The beam is fixedly connected to the upper end of the second face of the inserting plate, and a plurality of second reinforcing ribs are fixedly connected between the upper end face of the beam and the upper end face of the shearing plate. The hydraulic mechanism drives the shearing plate to shear an anchor cable and an anchor rod, integrity of anchor cable and anchor rod supporting is destroyed, the effect of fast anchor withdrawing is achieved, workers do not need to withdraw the anchor under pressure through an anchor withdrawing device, labor intensity is reduced, working efficiency is improved, unsafe factors brought to a working face when a top plate collapses in a large area are avoided, and working efficiency is improved. The construction safety is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel construction, in particular to an anchor cable and anchor rod shearing device. Background Art

[0002] The top of the fully mechanized mining face tunnel is supported by left-handed threaded steel anchor bolts, with an exposed diameter of 10-50mm. According to the tunnel parameters and service life, the top anchor spacing of the rubber transport and return air chute is 1060mm×900mm, and 6 top anchor bolts are driven in each row. The anchor cable specification is Φ21.6mm×6000mm steel strand, the rubber transport chute is arranged in 2-1-2 type, with a spacing of 3000×2700mm, and the return air chute is arranged in 3-3 type, with a spacing of 2000×1800mm.

[0003] When the fully-mechanized mining face is being mined, the top plates of the upper and lower ends cannot collapse in time with the advancement of mining due to the anchoring force of anchor rods and cables, which brings great hidden dangers to the management of the top plates. In order to strengthen the management of the top plates at both ends, the method of withdrawing anchors is adopted at both ends of the mining face to destroy the integrity of the support at both ends, so that the top plates at both ends can collapse in time with the mining, reduce the control area of ​​the top, and also avoid the unsafe factors brought to the working face when the top plates collapse in a large area. In order to ensure the safety of personnel during the operation, it is necessary to design an anchor cable and anchor rod shearing device. Summary of the invention

[0004] The utility model aims to solve one of the technical problems in the related art at least to a certain extent. To this end, the embodiment of the utility model provides an anchor cable and anchor rod shearing device to reduce labor intensity and improve construction safety.

[0005] The utility model embodiment proposes an anchor cable and anchor rod shearing device, comprising: a shear plate, an insert plate and a cross beam, wherein the shear plate is arranged in the horizontal direction; the insert plate is arranged in the vertical direction, the insert plate has a first surface and a second surface, one end of the shear plate is connected to the upper end of the first surface of the insert plate, a plurality of first reinforcing ribs are fixedly connected between the first surface of the insert plate and the lower end surface of the shear plate, and lower slots are symmetrically opened on both sides of the lower end surface of the insert plate; the cross beam is arranged in the horizontal direction, the cross beam is fixedly connected to the upper end of the second surface of the insert plate, and a plurality of second reinforcing ribs are fixedly connected between the upper end surface of the cross beam and the upper end surface of the shear plate.

[0006] In some embodiments, a connecting beam is fixedly connected between the shear plate and the plug plate. The connecting beam is inclined and fixedly connected to the upper end of the first surface of the plug plate. The length of the connecting beam is equal to the length of the shear plate.

[0007] In some embodiments, a plurality of positioning columns are fixedly connected to the lower end surface of the crossbeam.

[0008] In some embodiments, the width of the upper end surface of the shear plate is greater than the width of the lower end surface of the shear plate, the front end surface of the shear plate is an inclined surface, and the intersection of the front end surface of the shear plate and the upper end surface forms a tip.

[0009] In some embodiments, the plug board is provided with a plurality of positioning holes for inserting positioning pins, and the positioning holes penetrate through the first surface and the second surface of the plug board.

[0010] In some embodiments, the positioning hole is an inclined hole, having a first end and a second end, the first end of the positioning hole is located on the first side of the plug board, the second end of the positioning hole is located on the second side of the plug board, and the position of the first end of the positioning hole is higher than the position of the second end of the positioning hole.

[0011] In some embodiments, the positioning hole includes a first positioning hole and a second positioning hole, the first positioning hole is arranged above the lower slot, and the second positioning hole is arranged between the two lower slots.

[0012] In some embodiments, the first reinforcement rib includes a reinforcement arc plate and a reinforcement block, the reinforcement arc plate and the reinforcement block are integrally formed or fixedly connected, the reinforcement block is located below the reinforcement arc plate, the reinforcement block is fixedly connected to the plug plate, and the reinforcement arc plate is fixedly connected to the shear plate, the connecting beam and the plug plate respectively.

[0013] In some embodiments, the positions of the first reinforcing ribs and the second reinforcing ribs are staggered, and the number of the second reinforcing ribs is greater than the number of the first reinforcing ribs.

[0014] In some embodiments, the anchor cable and anchor rod shearing device also includes a mounting seat, the upper end surface of the mounting seat is provided with a first slot for placing a cross beam, the bottom of the first slot is provided with a plurality of second slots for inserting positioning columns, the number of the second slots is equal to that of the positioning columns and the positions correspond, a plug-in block is fixedly connected to the front end of the mounting seat, the plug-in block is in an L-shaped structure, a third slot is formed between the plug-in block and the mounting seat, the third slot and the lower slot of the plug-in board are plugged into each other, the number of the plug-in block and the lower slot are equal and the positions correspond, a through hole is provided on the plug-in block, a fourth slot and a fifth slot are provided on the front end surface of the mounting seat, the fourth slot and the fifth slot are both columnar, the number of the fourth slot and the through hole are equal and the positions correspond, suitable for the positioning pin to pass through the through hole, the first positioning hole and the fourth slot in sequence from the outside to the inside, the number of the fifth slot and the second positioning hole are equal and the positions correspond, suitable for the positioning pin to pass through the second positioning hole and the fifth slot in sequence from the outside to the inside. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings.

[0016] in:

[0017] Figure 1 It is a structural schematic diagram of the anchor cable and anchor rod shearing device in the embodiment of the utility model;

[0018] Figure 2 for Figure 1 Right view of;

[0019] Figure 3 for Figure 1 Schematic diagram of the assembly of the anchor cable and anchor rod shearing device and the mounting seat;

[0020] Figure 4 This is a schematic diagram of the initial state of the anchor cable and anchor rod shearing device in the embodiment of the utility model when in use;

[0021] Figure 5 This is a schematic diagram of the working state of the anchor cable and anchor rod shearing device in the embodiment of the utility model when in use;

[0022] Reference numerals:

[0023] 1-crossbeam; 2-second reinforcement rib; 3-connecting beam; 4-shear plate; 5-first reinforcement rib; 51-reinforced arc plate; 52-reinforcement block; 6-positioning column; 7-insert plate; 8-first positioning hole; 9-lower slot; 10-second positioning hole; 11-telescopic beam; 12-positioning pin; 13-mounting seat; 14-hydraulic support; 15-anchor cable and anchor rod shearing device; 16-anchor cable and anchor rod; 17-front beam; 18-telescopic beam. DETAILED DESCRIPTION

[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but cannot be understood as limiting the present invention.

[0025] The anchor cable and anchor rod shearing device according to the embodiment of the utility model will be described below with reference to the accompanying drawings.

[0026] like Figure 1 , 2 As shown, an embodiment of the utility model proposes an anchor cable and anchor rod shearing device, comprising: a shear plate 4, an insert plate 7 and a cross beam 1, the shear plate 4 is arranged in the horizontal direction; the insert plate 7 is arranged in the vertical direction, the insert plate 7 has a first surface and a second surface, one end of the shear plate 4 is connected to the upper end of the first surface of the insert plate 7, a plurality of first reinforcing ribs 5 are fixedly connected between the first surface of the insert plate 7 and the lower end surface of the shear plate 4, and lower slots 9 are symmetrically opened on both sides of the lower end surface of the insert plate 7; the cross beam 1 is arranged in the horizontal direction, the cross beam 1 is fixedly connected to the upper end of the second surface of the insert plate 7, and a plurality of second reinforcing ribs 2 are fixedly connected between the upper end surface of the cross beam 1 and the upper end surface of the shear plate 4.

[0027] The embodiment of the utility model drives the shear plate 4 through the hydraulic mechanism to shear the anchor cables and anchor rods, destroying the integrity of the anchor cables and anchor rod supports, achieving the effect of rapid anchor withdrawal, avoiding employees from using anchor withdrawers to withdraw anchors under pressure, reducing labor intensity, improving work efficiency, avoiding unsafe factors on the working surface when the roof collapses over a large area, and ensuring construction safety.

[0028] By setting the plug plate 7 and the cross beam 1, the shearing device can be easily installed on the mounting seat 13 of the front beam of the hydraulic support, and it is easy to disassemble and assemble. When in use, the front end of the shearing plate 4 is aligned with the anchor cable lock or the anchor bolt nut, and the hydraulic device is driven to make the shearing plate 4 extend forward to cut. The device has a simple and practical structure and is easy to operate. During use, one staff member can operate it, reducing the safety hazards caused by improper cooperation during the operation of multiple people.

[0029] By providing the first reinforcing rib 5 and the second reinforcing rib 2, the stability of the device can be improved to prevent deformation during operation.

[0030] Furthermore, the device is made of waste materials, which is simple to make and promotes the use of waste.

[0031] Furthermore, four first reinforcing ribs 5 are provided, and five second reinforcing ribs 2 are provided.

[0032] Furthermore, the length of the insert plate 7 is smaller than the length of the shear plate 4 .

[0033] In some embodiments, a connecting beam 3 is fixedly connected between the shear plate 4 and the plug plate 7. The connecting beam 3 is arranged obliquely, and the connecting beam 3 is fixedly connected to the upper end of the first surface of the plug plate 7. The length of the connecting beam 3 is equal to the length of the shear plate 4. By setting the inclined connecting beam 3, the height of the shear plate 4 can be increased, so that the shear plate 4 is easy to align with the position of the anchor cable and anchor rod. The inclination of the connecting beam 3 can be designed according to the on-site conditions, and there is no need to increase the height of the shear device as a whole.

[0034] In some embodiments, the lower end surface of the crossbeam 1 is fixedly connected with a plurality of positioning posts 6, so as to facilitate the installation and positioning of the device, improve the stability of the device, prevent the device from moving or falling during operation, and avoid safety accidents.

[0035] Furthermore, there are four positioning columns 6, and the four positioning columns 6 form a row. The height of the positioning columns 6 can be designed according to actual needs. The higher the height of the positioning columns 6, the better the stability of the overall device.

[0036] In some embodiments, the width of the upper end surface of the shear plate 4 is greater than the width of the lower end surface of the shear plate 4, the front end surface of the shear plate 4 is an inclined surface, and the intersection of the front end surface and the upper end surface of the shear plate 4 forms a tip. This makes the shear plate 4 more labor-saving and smooth during shearing, and by setting the tip at the upper end, the anchor cable and anchor rod can be sheared more thoroughly.

[0037] In some embodiments, the plug board 7 is provided with a plurality of positioning holes for inserting the positioning pins 12, and the positioning holes penetrate the first surface and the second surface of the plug board 7. By providing the positioning holes, the positioning pins 12 are used to limit the device on the mounting seat 13, thereby improving the stability of the device.

[0038] In some embodiments, the positioning hole is an inclined hole, and has a first end and a second end. The first end of the positioning hole is located on the first surface of the plug board 7, and the second end of the positioning hole is located on the second surface of the plug board 7. The position of the first end of the positioning hole is higher than the position of the second end of the positioning hole. This can prevent the positioning pin 12 from slipping out of the positioning hole.

[0039] Furthermore, the inclination angle of the positioning hole is greater than 15 degrees with the horizontal plane.

[0040] In some embodiments, the positioning holes include a first positioning hole 8 and a second positioning hole 10, wherein the first positioning hole 8 is disposed above the lower slot 9, and the second positioning hole 10 is disposed between the two lower slots 9. The first positioning hole 8 is used to limit the insertion position by using the positioning pin 12 after the device is plugged into the mounting seat 13. The second positioning hole 10 is used to limit the middle position of the plug board 7 by using the positioning pin 12. The first positioning hole 8 and the second positioning hole 10 are combined with each other to further improve the installation stability of the device.

[0041] Furthermore, two first positioning holes 8 are provided, which are arranged above the lower slot 9 . One second positioning hole 10 is provided, which is arranged in the middle position of the plug board 7 .

[0042] In some embodiments, the first reinforcing rib 5 includes a reinforcing arc plate 51 and a reinforcing block 52, the reinforcing arc plate 51 and the reinforcing block 52 are integrally formed or fixedly connected, the reinforcing block 52 is located below the reinforcing arc plate 51, the reinforcing block 52 is fixedly connected to the plug plate 7, and the reinforcing arc plate 51 is respectively fixedly connected to the shear plate 4, the connecting beam 3 and the plug plate 7. The installation stability of the shear plate 4, the connecting beam 3 and the plug plate 7 can be improved.

[0043] In some embodiments, the positions of the first reinforcing ribs 5 and the second reinforcing ribs 2 are staggered, and the number of the second reinforcing ribs 2 is greater than the number of the first reinforcing ribs 5. By staggering the positions of the reinforcing ribs, the stability of the device can be further improved.

[0044] In some embodiments, Figure 3As shown, the anchor cable and anchor rod shearing device also includes a mounting seat 13, the upper end surface of the mounting seat 13 is provided with a first slot for placing the cross beam 1, and the bottom of the first slot is provided with a plurality of second slots for inserting the positioning column 6, the number of the second slots is equal to that of the positioning column 6 and the positions correspond, a plug-in block is fixedly connected to the front end of the mounting seat 13, the plug-in block is in an L-shaped structure, a third slot is formed between the plug-in block and the mounting seat 13, the third slot and the lower slot 9 of the plug-in board 7 are plugged into each other, the number of the plug-in blocks and the lower slot 9 are equal and the positions correspond, a through hole is provided on the plug-in block, a fourth slot and a fifth slot are provided on the front end surface of the mounting seat 13, the fourth slot and the fifth slot are both columnar, the number of the fourth slot and the through hole are equal and the positions correspond, suitable for the positioning pin 12 to pass through the through hole, the first positioning hole 8 and the fourth slot in sequence from the outside to the inside, the number of the fifth slot and the second positioning hole 10 are equal and the positions correspond, suitable for the positioning pin 12 to pass through the second positioning hole 10 and the fifth slot in sequence from the outside to the inside.

[0045] By providing the mounting seat 13, the shear plate 4, the plug plate 7 and the cross beam 1 of the device are mounted on the front beam 17 of the hydraulic support 14 through the mounting seat 13, which is convenient for disassembly and assembly and can also improve the stability of the installation.

[0046] During installation, the mounting seat 13 is fixedly connected to the top of the front beam 17 , and the telescopic beam 11 on the top of the hydraulic support 14 is fixedly connected to the front beam 17 .

[0047] like Figure 4 As shown, the tunnel top is supported by a hydraulic support 14, and the anchor cable and bolt shearing device 15 of the embodiment of the utility model is closely attached to the tunnel top surface and is aligned with the anchor cable and bolt 16 that needs to be sheared.

[0048] like Figure 5 As shown, the telescopic beam 11 is telescoped in the horizontal direction, and the telescopic beam 11 drives the mounting seat 13 and the front beam 17 to move in the horizontal direction, cutting off the anchor cable and anchor rod 16.

[0049] Furthermore, after the cross beam 1 and the insert plate 7 are mounted on the mounting seat 13 , they can be fastened at some points by bolts in order to further improve stability.

[0050] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0051] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0052] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0053] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0054] In the present utility model, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0055] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. An anchor cable and anchor rod shearing device, characterized in that: include: A shear plate, wherein the shear plate is arranged in a horizontal direction; The plug plate is arranged in a vertical direction, the plug plate has a first surface and a second surface, one end of the shear plate is connected to the upper end of the first surface of the plug plate, a plurality of first reinforcing ribs are fixedly connected between the first surface of the plug plate and the lower end surface of the shear plate, and lower slots are symmetrically opened on both sides of the lower end surface of the plug plate; A crossbeam is arranged in a horizontal direction, and is fixedly connected to the upper end of the second surface of the plug plate. A plurality of second reinforcing ribs are fixedly connected between the upper end surface of the crossbeam and the upper end surface of the shear plate.

2. The anchor cable and anchor rod shearing device according to claim 1, characterized in that: A connecting beam is fixedly connected between the shear plate and the plug plate. The connecting beam is tilted and fixedly connected to the upper end of the first surface of the plug plate. The length of the connecting beam is equal to the length of the shear plate.

3. The anchor cable and anchor rod shearing device according to claim 1, characterized in that: The lower end surface of the crossbeam is fixedly connected with a plurality of positioning columns.

4. The anchor cable and anchor rod shearing device according to claim 1, characterized in that: The width of the upper end surface of the shear plate is greater than the width of the lower end surface of the shear plate. The front end surface of the shear plate is an inclined surface, and the intersection of the front end surface and the upper end surface of the shear plate forms a tip.

5. The anchor cable and anchor rod shearing device according to claim 3, characterized in that: The inserting plate is provided with a plurality of positioning holes for inserting positioning pins, and the positioning holes penetrate through the first surface and the second surface of the inserting plate.

6. The anchor cable and anchor rod shearing device according to claim 5, characterized in that: The positioning hole is an inclined hole, and has a first end and a second end. The first end of the positioning hole is located on the first surface of the plug board, and the second end of the positioning hole is located on the second surface of the plug board. The position of the first end of the positioning hole is higher than the position of the second end of the positioning hole.

7. The anchor cable and bolt shearing device according to claim 6, characterized in that: The positioning hole includes a first positioning hole and a second positioning hole, wherein the first positioning hole is arranged above the lower slots, and the second positioning hole is arranged between the two lower slots.

8. The anchor cable and anchor rod shearing device according to claim 2, characterized in that: The first reinforcing rib comprises a reinforcing arc plate and a reinforcing block, the reinforcing arc plate and the reinforcing block are integrally formed or fixedly connected, the reinforcing block is located below the reinforcing arc plate, the reinforcing block is fixedly connected to the plug plate, and the reinforcing arc plate is respectively fixedly connected to the shear plate, the connecting beam and the plug plate.

9. The anchor cable and anchor rod shearing device according to claim 1, characterized in that: The positions of the first reinforcing ribs and the second reinforcing ribs are staggered, and the number of the second reinforcing ribs is greater than the number of the first reinforcing ribs.

10. The anchor cable and anchor rod shearing device according to claim 7, characterized in that: The cam is an L-shaped structure, and a third slot is formed between the plug-in block and the mounting seat. The third slot and the lower slot of the plug-in board are plugged into each other. The number of the plug-in block and the lower slot are equal and the position is corresponding. A through hole is provided on the plug-in block. A fourth slot and a fifth slot are provided on the front end surface of the mounting seat. The fourth slot and the fifth slot are both columnar. The number of the fourth slot and the through hole are equal and the position is corresponding, which is suitable for the locating pin to pass through the through hole, the first locating hole and the fourth slot in sequence from the outside to the inside. The number of the fifth slot and the second locating hole are equal and the position is corresponding, which is suitable for the locating pin to pass through the second locating hole and the fifth slot in sequence from the outside to the inside.

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