A mine support anchor installation clamping device

Abstract

The utility model discloses a mine support anchor installation clamping device, wherein an upper plate and a lower plate are respectively fixedly installed between two side plates; a pin shaft and a sleeve sleeved on the pin shaft are installed between the upper plate and the lower plate. The two side plates are respectively provided with installation holes for connecting the anchor tower installation seat through connecting bolts. It also includes a connecting plate whose inner end is fixed to the sleeve and whose outer end is fixedly connected to a fixed claw. One side of the fixed claw is fixedly connected to a fixed plate, and the other side is fixedly connected to an anchor guide seat. A movable claw for clamping the anchor in cooperation with the fixed claw is connected to the inner side of the fixed plate through a pin shaft and a torsion spring. The movable claw and the fixed claw cooperate with the anchor guide seat to play a stable and reliable guiding and clamping role for the anchor during the installation process; the limiting bolt and the concave limiting groove work together to make the clamping part swing left and right around the pin shaft within a certain range, thereby realizing the adjustment of the anchor installation direction along the direction of the drilling hole.

Description

Technical Field

[0001] The utility model relates to a mine anchor rod installation device, in particular to a mine support anchor rod installation clamping device. Background Art

[0002] As the mining operation area extends deeper, the ground pressure and roof crushing degree gradually increase, and the deep area of ​​the mine requires a higher anchoring force for the roof support. Therefore, the pipe-seam anchor that can provide stronger anchoring force has replaced the expansion shell anchor and become the most common semi-permanent anchor support tool. In the installation of pipe-seam anchors, the safe and efficient mechanized support equipment anchor trolley has gradually replaced the manual roof support and is becoming the main equipment for roof support operations.

[0003] The existing mine support anchor bolt installation clamping devices generally have the defect of unreliable clamping. During the installation process using the anchor bolt trolley, the pipe-seam anchor bolt will produce strong vibrations due to the impact of the impactor. If the anchor bolt clamping mechanism is unreliable, it is very easy to cause problems such as anchor bolt deflection or even falling off, which not only affects the quality of support operations, but also causes safety accidents when the anchor bolt falls off.

[0004] On the other hand, the existing mine support anchor installation clamping devices generally have the problem that the anchor installation direction is fixed, which makes it inconvenient to adjust the anchor installation direction according to the curvature change of the tunnel roof, affecting the support operation efficiency. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a mine support anchor installation clamping device to ensure that the pipe seam anchor is accurately delivered to the drill hole, and the anchor clamping is more reliable, and the anchor installation direction is conveniently adjusted along the direction of the drill hole.

[0006] The technical solution of this utility model is as follows:

[0007] A mine support anchor installation and clamping device, comprising a seat body part for being installed on an anchor tower and a clamping part for clamping the anchor, the seat body part comprising two side plates arranged parallel to each other; an upper plate and a lower plate are fixedly installed between the two side plates respectively; the seat body part also comprises a pin shaft connected to the upper and lower plates at upper and lower ends respectively, and a shaft sleeve sleeved on the pin shaft and capable of rotating around the pin shaft; the two side plates are respectively provided with mounting holes for connecting the anchor tower mounting seat by connecting bolts; the clamping part comprises a connecting plate whose inner end is fixed to the shaft sleeve and whose outer end is fixedly connected to a fixed claw; one side of the fixed claw is fixedly connected to a fixing plate, and the other side is fixedly connected to an anchor guide seat; the inner side of the fixing plate is connected to a moving claw for cooperating with the fixed claw to clamp the anchor through a pin shaft; a torsion spring is connected between the pin shaft and the moving claw.

[0008] Preferably, the opposite sides of the movable claw and the fixed claw and the upper side of the anchor rod guide seat are respectively provided with grooves matching the shape of the outer wall of the anchor rod.

[0009] Preferably, the lower plate is fixedly connected to a spring mounting plate extending outward from the seat body; at least two spring positioning columns are installed on the spring mounting plate; a spring mounting column is fixedly installed on the lower side of the connecting plate; a spring is connected between the spring mounting column and one of the spring positioning columns.

[0010] Preferably, an inner concave limiting groove for limiting the swing of the connecting plate is opened on the front side of one of the two side panels; the seat body part also includes limiting bolt mounting plates which are fixedly connected to the two side panels on the left and right sides respectively; the limiting bolt mounting plate is installed with limiting bolts for limiting the swing of the connecting plate and are located between the shaft sleeve and the other of the two side panels.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] First, the movable claw, the fixed claw and the anchor rod guide seat cooperate with each other to provide stable and reliable guidance and clamping for the anchor rod during installation; the limit bolt and the concave limit groove work together to allow the clamping part to swing left and right around the pin shaft within a certain range, thereby realizing the adjustment of the anchor rod installation direction along with the direction of the drilling hole.

[0013] Second, a spring is connected between the seat body and the clamping part. After the anchor rod is clamped, the clamping part can automatically reset due to the tension of the spring.

[0014] Third, symmetrical installation holes are provided on both sides of the seat body, so by changing the installation direction, anchor rod installation operations can be performed in various directions. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0017] Figure 3 It is a rear view structural schematic diagram of the utility model.

[0018] In the figure: 1. Seat body; 1-1. Side plate; 1-2. Upper plate; 1-3 Lower plate; 1-4. Limit bolt mounting plate; 1-5. Spring mounting plate; 2. Pin; 3. Bushing; 4. Mounting hole; 5. Concave limit groove; 6. Connecting plate; 7. Fixed plate; 8. Moving claw; 9. Fixed claw; 10. Anchor rod guide seat; 11. Clamping part; 12. Limit bolt; 13. Spring positioning column; 14. Spring; 15. Spring mounting column. DETAILED DESCRIPTION

[0019] The utility model is described in detail below with reference to the embodiments and the accompanying drawings.

[0020] like Figure 1 , Figure 2 and Figure 3 , an embodiment of a mine support anchor installation clamping device, comprising a seat body part 1 for installation on an anchor tower and a clamping part 11 for clamping the anchor.

[0021] The seat body 1 includes two side plates 1-1 arranged parallel to each other, and an upper plate 1-2 and a lower plate 1-3 located below the upper plate 1-2 are fixedly installed between the two side plates 1-1. The left and right sides of the upper plate 1-2 and the lower plate 1-3 are fixed to the two side plates 1-1 respectively. The seat body 1 also includes a pin 2 whose upper and lower ends are connected to the upper plate 1-2 and the lower plate 1-3 respectively, and a shaft sleeve 3 which is sleeved on the pin 2 and can rotate around the pin 2.

[0022] The two side plates 1-1 are respectively provided with mounting holes 4 for connecting the anchor tower mounting seat by connecting bolts. When in use, the seat body part 1 is installed on the anchor tower by connecting bolts passing through the mounting holes 4. The purpose of both side plates 1-1 having mounting holes 4 is to enable the seat body part 1 to be installed on mounting seats of the anchor tower in different directions, thereby realizing anchor installation operations in more directions.

[0023] The clamping part 11 includes a connecting plate 6 whose inner end is fixed to the sleeve 3 and whose outer end is fixedly connected to a fixed claw 9. One side of the fixed claw 9 is fixedly connected to a fixed plate 7, and the other side is fixedly connected to an anchor rod guide seat 10. The inner side of the fixed plate 7 is connected to a movable claw 8 for clamping the anchor rod in cooperation with the fixed claw 9 through a pin shaft, and a torsion spring is connected between the pin shaft and the movable claw 8.

[0024] Furthermore, the opposite sides of the movable claw 8 and the fixed claw 9 and the upper side of the anchor rod guide seat 10 are respectively provided with grooves adapted to the shape of the outer wall of the anchor rod.

[0025] The lower plate 1-3 is fixedly connected with a spring mounting plate 1-5 extending outward from the seat body portion 1. At least two spring positioning columns 13 are installed on the spring mounting plate 1-5. Correspondingly, a spring mounting column 15 is fixedly installed on the lower side of the connecting plate 6. A spring 14 is connected between the spring mounting column 15 and one of the spring positioning columns 13. The function of the spring 14 is to automatically reset the clamping portion 11. The purpose of providing more than two spring positioning columns 13 is to connect the spring 14 at different positions and have different stretching lengths, so as to achieve the purpose of adjusting the elastic force of the spring 14.

[0026] Furthermore, a concave limiting groove 5 for limiting the swing of the connecting plate 6 is provided on the front side of one of the two side plates 1-1. Figure 1 The left side swing shown in the figure is stuck on the groove wall of the concave limit groove 5, which is the left side swing limit position.

[0027] This embodiment also includes a limit bolt mounting plate 1-4 fixedly connected to the two side plates 1-1 on the left and right sides. The limit bolt mounting plate 1-4 is installed with a limit bolt 12 for swinging the connecting plate 6 and is located between the shaft sleeve 3 and the other side plate 1-1 of the two side plates 1-1. Figure 1 The right side swings as shown, and is stuck at the front end of the limit bolt 12 ( Figure 2 The rear end of the limit bolt 12 is shown as the right swing limit position.

[0028] The limiting bolt 12 cooperates with the concave limiting groove 5 to make the clamping part 11 swing left and right around the pin shaft 2 within a range of 90 degrees.

[0029] The following is an example of the specific use process of the utility model:

[0030] First, the seat body 1 is mounted on the anchor tower by connecting bolts passing through the mounting hole 4. Secondly, with the help of the guiding effect of the anchor guide seat 10, the anchor is placed between the movable claw 8 and the fixed claw 9, and the movable claw 8 and the fixed claw 9 clamp the anchor. Then, with the help of the connecting plate 6 swinging around the pin 2, the anchor is aligned with the mounting hole. Finally, the impactor is started to gradually drive the anchor into the hole.

Claims

1. A mine support anchor bolt installation clamping device, comprising a seat portion (1) for installation on an anchor bolt tower and a clamping portion (11) for clamping the anchor bolt, characterized in that: The seat body part (1) comprises two side plates (1-1) arranged parallel to each other; an upper plate (1-2) and a lower plate (1-3) are respectively fixedly mounted between the two side plates (1-1); the seat body part (1) further comprises a pin shaft (2) whose upper and lower ends are respectively connected to the upper plate (1-2) and the lower plate (1-3) and a shaft sleeve (3) sleeved on the pin shaft (2) and capable of rotating around the pin shaft (2); the two side plates (1-1) are respectively provided with a screw threaded connection member for connecting the upper plate (1-2) and the lower plate (1-3). The bolt is connected to the mounting hole (4) of the anchor tower mounting seat; the clamping part (11) comprises a connecting plate (6) whose inner end is fixed to the shaft sleeve (3) and whose outer end is fixedly connected to a fixed claw (9); one side of the fixed claw (9) is fixedly connected to a fixing plate (7), and the other side is fixedly connected to an anchor guide seat (10); the inner side of the fixing plate (7) is connected to a movable claw (8) for cooperating with the fixed claw (9) to clamp the anchor via a pin; a torsion spring is connected between the pin and the movable claw (8).

2. The mine support anchor installation clamping device according to claim 1, characterized in that: The opposite sides of the movable claw (8) and the fixed claw (9) and the upper side of the anchor rod guide seat (10) are respectively provided with grooves matching the shape of the outer wall of the anchor rod.

3. The mine support anchor installation clamping device according to claim 1, characterized in that: The lower plate (1-3) is fixedly connected to a spring mounting plate (1-5) extending outward from the seat body portion (1); at least two spring positioning columns (13) are mounted on the spring mounting plate (1-5); a spring mounting column (15) is fixedly mounted on the lower side of the connecting plate (6); and a spring (14) is connected between the spring mounting column (15) and one of the spring positioning columns (13).

4. The mine support anchor installation clamping device according to claim 1, 2 or 3, characterized in that: A concave limiting groove (5) for limiting the swing position of the connecting plate (6) is provided on the front side of one of the two side plates (1-1); the seat body (1) further comprises limiting bolt mounting plates (1-4) fixedly connected to the two side plates (1-1) on the left and right sides respectively; and limiting bolts (12) for limiting the swing position of the connecting plate (6) and located between the shaft sleeve (3) and the other side plate (1-1) of the two side plates (1-1) are mounted on the limiting bolt mounting plates (1-4).

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