Anchor cable limiter

Abstract

The utility model discloses an anchor cable limiter which comprises an anchor cable head, a stirrer head which is connected to the anchor cable head in an inserted mode and drives the anchor cable head to rotate, a limiting pipe which is connected to the stirrer head and used for limiting the anchor cable head, and a connecting mechanism. The connecting pipe is arranged on the limiting pipe and is used for connecting the head of the stirrer; the connecting mechanism comprises an inserting block arranged on the outer side wall of the limiting pipe and a fixing block arranged on the head of the stirrer, and an inserting groove allowing the inserting block to be inserted is formed in the fixing block; the connecting mechanism further comprises a limiting assembly which is arranged on the inserting block and used for limiting the inserting block from moving out of the fixing block. According to the anchor cable head, the limiting pipe and the connecting mechanism are arranged, the qualified rate of the anchor cable head is improved to the maximum extent through the use of the limiting pipe, the production efficiency is improved, the quality of a top plate supported by the anchor cable head is further guaranteed, and the safety coefficient is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of anchor cable devices, in particular to an anchor cable limiter. Background Art

[0002] The qualified rate of anchor cables injected underground in coal mines has a lot to do with the personal experience of the drilling rig driver. The main reason here is: according to the traditional anchor cable injection method, after the hole is formed, when the anchoring agent is inserted and stirred with the anchor cable mixer, due to the high-speed rotation of the anchor cable and the drilling rig, the exposed length of the anchor cable of 150mm-250mm is difficult to control, and the exposed anchor cable is often too long or too short. Once the exposed length of the anchor cable exceeds or falls below the specified value, if it is too long, the anchor cable cannot really enter the old roof above the coal seam or the length of entry is insufficient, and if it is too short, the anchor cable expansion and pulling jack will not be able to "bite" the anchor cable for effective expansion and pulling. Utility Model Content

[0003] The purpose of the utility model is to solve the above-mentioned shortcomings and provide an anchor cable limiter.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] An anchor cable limiter comprises an anchor cable head, an agitator head plugged into the anchor cable head and driving the anchor cable head to rotate, and a limit tube connected to the agitator head and used to limit the anchor cable head, and also comprises:

[0006] A connecting mechanism, provided on the limiting tube and used for connecting the agitator head;

[0007] The connecting mechanism comprises a plug-in block arranged on the outer side wall of the limiting tube and a fixed block arranged on the head of the agitator, wherein the fixed block is provided with a plug-in slot for the plug-in block to be plugged in;

[0008] The connecting mechanism also includes a limiting component which is arranged on the plug-in block and is used for limiting the plug-in block from moving out of the fixing block.

[0009] The limiting component comprises:

[0010] A stopper, slidably disposed at the bottom end of the plug-in block;

[0011] A first clearance groove is provided at the bottom end of the plug-in block and is provided for the blocking block to slide;

[0012] A second clearance groove is provided at the bottom end of the fixing block and is used to receive the stopper that slides out from the first clearance groove;

[0013] A power piece is arranged on the plug-in block and is used to drive the stopper to slide.

[0014] Preferably, the power member comprises:

[0015] A connecting bar, one end of which is hinged to the stopper and drives the stopper to slide;

[0016] A power element is arranged on the plug-in block and is used to drive the connecting strip to swing.

[0017] Preferably, the power element comprises:

[0018] A connecting plate is slidably arranged on the plug-in block and is hinged to the stopper, and a sliding groove is provided on the plug-in block for the connecting plate to slide;

[0019] A connecting column connected to the upper end of the connecting plate and extending out of the top end of the connecting plate;

[0020] A handle is connected to the upper end of the connecting column.

[0021] Preferably, a spring is sleeved on the connecting column and the spring is arranged in the sliding groove, the upper end of the spring is connected to the plug-in block, and the lower end is connected to the connecting plate.

[0022] Preferably, a guide rod for guiding the stopper is connected to the plug-in block, and the stopper is slidably connected to the guide rod.

[0023] Compared with the prior art, the beneficial effects of the utility model are:

[0024] The utility model provides a limit tube and a connecting mechanism. The connecting mechanism installs and fixes the limit tube on the agitator head. The agitator head drives the anchor cable head to drill and inject. The limit tube stops advancing after touching the top or the side. After the anchor cable head is anchored, the limit tube is removed. The predetermined length of the limit tube makes the exposed length of the anchor cable head also a certain value, so that the exposed length of the anchor cable head meets the construction requirements and avoids the exposed length of the anchor cable head exceeding or falling below the specified value. The use of the limit tube improves the qualified rate of the anchor cable head to the maximum extent, improves the production efficiency, thereby ensuring the quality of the anchor cable head supporting the top plate and improving the safety factor. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 This is a diagram of the separation state of the agitator head and the anchor cable head in the utility model;

[0028] Figure 3 For this utility model Figure 1 The enlarged view of point A in the middle;

[0029] Figure 4 For this utility model Figure 2 The enlarged view of point B in the middle;

[0030] Figure 5 It is a structural schematic diagram of the plug-in block in the utility model;

[0031] Figure 6 It is a cross-sectional view of the plug-in block in the utility model;

[0032] Figure 7 It is a structural schematic diagram of the fixing block in the utility model;

[0033] Figure 8 It is a cross-sectional view of the stopper in the utility model.

[0034] In the figure:

[0035] 1. Agitator head; 2. Anchor cable head; 3. Limiting pipe;

[0036] 41. Plug-in block; 411. Handle; 412. First clearance groove; 413. Connecting strip; 4131. Stop block; 4132. Guide rod; 414. Connecting column; 415. Slide groove; 416. Spring; 417. Connecting plate; 42. Fixing block; 421. Plug-in groove; 422. Second clearance groove. DETAILED DESCRIPTION

[0037] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0038] See also Figure 1-8 , an anchor cable limiter, comprising an anchor cable head 2, an agitator head 1 plugged into the anchor cable head 2 and driving the anchor cable head 2 to rotate, and a limit tube 3 connected to the agitator head 1 and used to limit the anchor cable head 2, and also comprising:

[0039] A connecting mechanism, which is arranged on the limiting tube 3 and is used to connect the agitator head 1;

[0040] The connection mechanism includes a plug-in block 41 disposed on the outer wall of the limiting tube 3 and a fixed block 42 disposed on the agitator head 1. The fixed block 42 is provided with a plug-in groove 421 for the plug-in block 41 to be plugged in.

[0041] The connection mechanism further includes a limiting component which is arranged on the plug-in block 41 and is used to limit the plug-in block 41 from moving out of the fixing block 42 .

[0042] With this design, the connection mechanism installs and fixes the limit tube 3 on the agitator head 1, and the agitator head 1 drives the anchor head 2 to drill and inject, and the limit tube 3 stops advancing after touching the top or the side, and the limit tube 3 is removed after the anchor head 2 is anchored. The predetermined length of the limit tube 3 makes the exposed length of the anchor head 2 also a certain value, so that the exposed length of the anchor head 2 meets the construction requirements, avoiding the exposed length of the anchor head 2 exceeding or falling below the specified value.

[0043] In one embodiment, the limiting assembly includes:

[0044] A stopper 4131 is slidably disposed at the bottom end of the plug-in block 41;

[0045] The first clearance groove 412 is provided at the bottom end of the plug-in block 41 and is provided for the stopper 4131 to slide;

[0046] The second clearance groove 422 is provided at the bottom end of the fixing block 42 and is used to receive the stopper 4131 sliding out from the first clearance groove 412;

[0047] The power piece is arranged on the plug-in block 41 and is used to drive the stopper 4131 to slide.

[0048] With this design, the sizes of the first and second clearance grooves 412 and 422 are the same as the size of the stopper 4131 , thereby preventing the stopper 4131 from shaking when it is stuck in the first and second clearance grooves 412 and 422 .

[0049] In one embodiment, the power member comprises:

[0050] The connecting bar 413 has one end hinged to the stopper 4131 and drives the stopper 4131 to slide;

[0051] The power element is disposed on the plug-in block 41 and is used to drive the connecting bar 413 to swing.

[0052] In one embodiment, the power element comprises:

[0053] The connecting plate 417 is slidably disposed on the plug-in block 41 and is hinged to the stopper 4131. The plug-in block 41 is provided with a slide groove 415 for the connecting plate 417 to slide;

[0054] A connecting post 414 connected to the upper end of the connecting plate 417 and extending out of the top end of the connecting plate 417;

[0055] The handle 411 is connected to the upper end of the connecting column 414 .

[0056] With this design, the lower end of the connecting column 414 is fixedly connected to the connecting plate 417 , and the upper end is fixedly connected to the handle 411 ; one end of the connecting strip 413 is hinged to the connecting plate 417 , and the other end is hinged to the stopper 4131 .

[0057] In one embodiment, a spring 416 is sleeved on the connecting column 414 and the spring 416 is disposed in the sliding groove 415 . The upper end of the spring 416 is connected to the plug-in block 41 , and the lower end is connected to the connecting plate 417 .

[0058] With this design, when the connecting column 414 is pulled to move upward, the connecting plate 417 moves upward, driving the connecting strip 413 to swing and causing the stop block 4131 to leave the first clearance groove 412 and the second clearance groove 422, thereby releasing the limit of the plug-in block 41 in the plug-in groove 421, and at this time the spring 416 is compressed and deformed; when the spring 416 returns to its original state, the stop block 4131 is clamped in the first clearance groove 412 and the second clearance groove 422 and limits the plug-in block 41 on the plug-in groove 421.

[0059] In one embodiment, a guide rod 4132 for guiding the stopper 4131 is connected to the plug-in block 41 , and the stopper 4131 is slidably connected to the guide rod 4132 .

[0060] With this design, the guide rod 4132 is fixedly connected to the plug-in block 41 .

[0061] Working principle: When in use, the connecting mechanism installs and fixes the limit tube 3 on the agitator head 1, and the agitator head 1 drives the anchor head 2 to drill and inject. The limit tube 3 stops advancing after touching the top or the side, and the limit tube 3 is removed after the anchor head 2 is anchored. The predetermined length of the limit tube 3 makes the exposed length of the anchor head 2 also a certain value, so that the exposed length of the anchor head 2 meets the construction requirements, avoiding the exposed length of the anchor head 2 exceeding or falling below the specified value.

[0062] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0063] In addition, if there are descriptions of "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or schemes that A and B meet at the same time. In addition, "multiple" refers to more than two. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as illustrative and non-restrictive, and the scope of the present invention is limited by the appended claims rather than the above description, and it is therefore intended that all changes within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. An anchor cable limiter, characterized in that: The invention comprises an anchor cable head (2), an agitator head (1) plugged into the anchor cable head (2) and driving the anchor cable head (2) to rotate, and a position limiting tube (3) connected to the agitator head (1) and used to limit the position of the anchor cable head (2), and also comprises: A connecting mechanism, arranged on the limiting tube (3) and used for connecting the agitator head (1); The connecting mechanism comprises a plug-in block (41) arranged on the outer side wall of the limiting tube (3) and a fixed block (42) arranged on the agitator head (1); the fixed block (42) is provided with a plug-in groove (421) for the plug-in block (41); The connection mechanism further comprises a limiting component which is arranged on the plug-in block (41) and is used to limit the plug-in block (41) from moving out from the fixing block (42).

2. The anchor cable limiter according to claim 1, characterized in that: The limiting component comprises: A stopper (4131) is slidably disposed at the bottom end of the plug-in block (41); A first clearance groove (412) is provided at the bottom end of the plug-in block (41) and is provided for the blocking block (4131) to slide; A second clearance groove (422) is provided at the bottom end of the fixing block (42) and is used to receive the stopper (4131) that slides out from the first clearance groove (412); A power piece is arranged on the plug-in block (41) and is used to drive the stopper (4131) to slide.

3. The anchor cable limiter according to claim 2, characterized in that: The power member comprises: A connecting bar (413), one end of which is hinged to the stopper (4131) and drives the stopper (4131) to slide; A power element is arranged on the plug-in block (41) and is used to drive the connecting bar (413) to swing.

4. The anchor cable limiter according to claim 3, characterized in that: The power element comprises: A connecting plate (417) is slidably disposed on the plug-in block (41) and is hinged to the stopper (4131); the plug-in block (41) is provided with a sliding groove (415) for the connecting plate (417) to slide; A connecting column (414), connected to the upper end of the connecting plate (417) and extending out of the top end of the connecting plate (417); The handle (411) is connected to the upper end of the connecting column (414).

5. The anchor cable limiter according to claim 4, characterized in that: A spring (416) is sleeved on the connecting column (414) and the spring (416) is arranged in the sliding groove (415). The upper end of the spring (416) is connected to the plug-in block (41), and the lower end is connected to the connecting plate (417).

6. The anchor cable limiter according to claim 2, characterized in that: The plug-in block (41) is connected to a guide rod (4132) for guiding the stop block (4131), and the stop block (4131) is slidably connected to the guide rod (4132).

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