Expansion type anchor rod capable of being stably installed

Abstract

The utility model relates to the technical field of anchor rods, in particular to a stably-installed expansion type anchor rod which comprises a first containing pipe, a connecting column is welded to the rear side of the first containing pipe, a rotating block is rotationally connected to the rear side of the connecting column, and a first threaded rod is rotationally connected to the rear side of the rotating block. The first storage pipe, the connecting column and the rotating block are rotated to enable the first storage pipe, the connecting column, the rotating block, the first threaded rod and the second storage pipe to be located on the same straight line, and then the second threaded sleeve is rotated to drive the fixing sleeve to move back and forth to enable the fixing sleeve to be sleeved on the surfaces of the connecting column, the first threaded rod and the rotating block. A fourth threaded rod drives a reinforcing block to move up and down, the top of the reinforcing block makes contact with a second threaded rod, the second threaded rod is fixed through friction force between the reinforcing block and the second threaded rod, and then a driving block is rotated to drive a third threaded rod to rotate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of anchor rod, concretely is a kind of expansion type anchor rod of installation stability. BACKGROUND

[0002] Anchor rod is the most basic component part in the roadway support in contemporary coal mine, he consolidates the surrounding rock of roadway together, and the surrounding rock is self-supported.

[0003] Through research, the announcement No. CN220849729U is named as a kind of expansion type anchor rod, including shear type expansion end head and anchor rod body, it is found by research and analysis, although it has the advantages of simple structure, convenient construction and good anchoring effect, but, to some extent, there are still the following shortcomings.

[0004] For example, when the device is transported, it is usually placed directly on the vehicle for transportation, and the length of the device is usually longer, so that a part of the device is usually leaked during transportation, which is easy to damage and inconvenient for transportation. In order to solve the above technical problems, we design a kind of expansion type anchor rod of installation stability. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of expansion type anchor rod of installation stability, with the advantage of convenient placement, solve the device when transporting, usually it is directly placed on the vehicle for transportation, and the length of the device is usually longer, so that a part of the device is usually leaked during transportation, which is easy to damage and inconvenient for transportation.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of expansion type anchor rod of installation stability, including first receiving tube, the rear side of the first receiving tube is welded with connecting column, the rear side of the connecting column is rotatably connected with rotating block, the rear side of the rotating block is rotatably connected with first threaded rod, the rear side of the first threaded rod is welded with second receiving tube, the front side of the first receiving tube and the rear side of the second receiving tube are rotatably connected with first threaded sleeve, the surface of the first threaded sleeve is penetrated and is provided with second threaded rod, the surface of the second threaded rod is rotatably connected with driving block, the surface of the driving block is welded with third threaded rod, the surface of the third threaded rod is threaded and is provided with expansion sleeve, the bottom of the first receiving tube and the bottom of the second receiving tube are provided with positioning assembly, the surface of the first threaded rod is threaded and is provided with second threaded sleeve, the front side of the second threaded sleeve is rotatably connected with fixed sleeve.

[0007] Preferably, the positioning assembly includes a fixed shell, the top of the fixed shell is in communication with the first receiving tube and the second receiving tube respectively, the bottom of the fixed shell is penetrated and is provided with fourth threaded rod, the top of the fourth threaded rod is rotatably connected with reinforcing block.

[0008] Preferably, the top of the fourth threaded rod is provided with a bearing at the connection with the reinforcing block, and the top of the reinforcing block is in contact with the second threaded rod.

[0009] Preferably, the bottom of the fourth threaded rod is connected with a handle through bolts, and the surface of the fourth threaded rod is in threaded connection with the fixed shell.

[0010] Preferably, the rear side of the second threaded sleeve is rotationally connected with a guide frame, the front side of the second containing tube is provided with a guide groove, and the surface of the guide frame is in sliding connection with the guide groove.

[0011] Preferably, the surface of the expansion sleeve is welded with anti-skid protrusions, and the surface of the expansion sleeve is provided with through holes.

[0012] Preferably, the surface of the third threaded rod is in threaded connection with a fixed head, and the surface of the expansion sleeve is in contact with the fixed head.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The first containing tube, the connecting column, the rotating block, the first threaded rod and the second containing tube are arranged in a straight line by rotating the first containing tube, the connecting column and the rotating block, then the fixed sleeve is sleeved on the surfaces of the connecting column, the first threaded rod and the rotating block by driving the fixed sleeve to move forward and backward through the rotation of the second threaded sleeve, the first containing tube, the connecting column, the first threaded rod, the second containing tube and the rotating block are fixed through the fixed sleeve, then the second threaded rod, the driving block, the third threaded rod and the expansion sleeve are driven to move forward and backward by rotating the first threaded sleeve, the expansion sleeve is inserted into the wall body.

[0015] 2. The top of the reinforcing block is in contact with the second threaded rod by driving the reinforcing block to move up and down through the fourth threaded rod, the second threaded rod is fixed through the friction force between the reinforcing block and the second threaded rod, then the third threaded rod is driven to rotate by rotating the driving block, the expansion sleeve is deformed by expansion, the third threaded rod is reinforced through the expansion sleeve, so that the device is more stable, after use, the device is removed, then the fixed sleeve is removed from the surfaces of the connecting column and the rotating block, then the first containing tube, the connecting column, the first threaded rod, the second containing tube and the rotating block can be folded and stored, so that the storage space is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure side view of the utility model;

[0017] Figure 2 It is a perspective view of the first containing tube and the rotating block of the utility model;

[0018] Figure 3The utility model discloses a third screw rod, first screw rod and second screw rod are connected through the first screw sleeve and the second screw sleeve, and the first screw sleeve and the second screw sleeve are connected through the fixed sleeve.

[0019] Figure 4 The utility model discloses a fixed shell and reinforcing block's perspective drawing.

[0020] In the drawing: 1, first storage pipe, 2, connecting column, 3, first screw rod, 4, second storage pipe, 5, first screw sleeve, 6, second screw sleeve, 7, fixed sleeve, 8, second screw rod, 9, driving block, 10, third screw rod, 11, expansion sleeve, 12, fixed head, 13, guide frame, 14, guide slot, 15, fixed shell, 16, fourth screw rod, 17, reinforcing block, 18, rotating block, 19, positioning assembly. DETAILED DESCRIPTION

[0021] Please refer to Figures 1-4 An installation stable expansion type anchor rod, including first storage pipe 1, the rear side welding of first storage pipe 1 has connecting column 2, the rear side rotation of connecting column 2 is connected with rotating block 18, the rear side rotation of rotating block 18 is connected with first screw rod 3, and the rear side welding of first screw rod 3 has second storage pipe 4, and the front side of first storage pipe 1 and the rear side of second storage pipe 4 are all rotationally connected with first screw sleeve 5, and the surface of first screw sleeve 5 is provided with second screw rod 8, and the surface of second screw rod 8 is rotationally connected with driving block 9, and the surface of driving block 9 is welded with third screw rod 10, and the surface of third screw rod 10 is threadedly sleeved with expansion sleeve 11, and the bottom of first storage pipe 1 and the bottom of second storage pipe 4 are all provided with positioning assembly 19, and the surface of first screw rod 3 is threadedly sleeved with second screw sleeve 6, and the front side of second screw sleeve 6 is rotationally connected with fixed sleeve 7.

[0022] Please refer to Figure 1 And Figure 4 Positioning assembly 19 includes fixed shell 15, and the top of fixed shell 15 is communicated with first storage pipe 1 and second storage pipe 4 respectively, the bottom of fixed shell 15 is provided with fourth screw rod 16, and the top of fourth screw rod 16 is rotationally connected with reinforcing block 17, and through setting reinforcing block 17, can be convenient for the fixed second screw rod 8, can effectively prevent the second screw rod 8 and appear the situation of retraction.

[0023] Please refer to Figure 1 And Figure 4 The top of fourth screw rod 16 and the connecting place of reinforcing block 17 are provided with bearing, and through setting bearing, can be convenient for the rotation of fourth screw rod 16, can be convenient for driving reinforcing block 17 and moving, and the top of reinforcing block 17 is in contact with second screw rod 8.

[0024] Please refer to Figure 1 And Figure 4The bottom of the fourth threaded rod 16 is connected with a rotating handle through bolts. The rotating handle can facilitate the staff to hold and rotate the fourth threaded rod 16. The surface of the fourth threaded rod 16 is threadedly connected with the fixed shell 15.

[0025] Please refer to Figure 1 and Figure 2 The rear side of the second threaded sleeve 6 is rotationally connected with a guide frame 13. The front side of the second containing tube 4 is provided with a guide groove 14. The surface of the guide frame 13 is slidingly connected with the guide groove 14. The guide frame 13 and the guide groove 14 can facilitate the guidance of the second threaded sleeve 6 and facilitate the movement of the second threaded sleeve 6.

[0026] Please refer to Figure 1 and Figure 3 The surface of the expansion sleeve 11 is welded with anti-skid protrusions. The anti-skid protrusions can facilitate the fixation of the expansion sleeve 11 and prevent the expansion sleeve 11 from rotating with the third threaded rod 10. The surface of the expansion sleeve 11 is provided with a through hole.

[0027] Please refer to Figure 1 The surface of the third threaded rod 10 is threadedly connected with a fixed head 12. The fixed head 12 can facilitate the reinforcement of the expansion sleeve 11 and effectively prevent the expansion sleeve 11 from being separated from the surface of the third threaded rod 10. The surface of the expansion sleeve 11 is in contact with the fixed head 12.

[0028] In use, the first containing tube 1, the connecting column 2, and the rotating block 18 are rotated to make the first containing tube 1, the connecting column 2, the rotating block 18, the first threaded rod 3, and the second containing tube 4 in a straight line. Then the second threaded sleeve 6 is rotated to drive the fixed sleeve 7 to move forward and backward to make the fixed sleeve 7 cover the surfaces of the connecting column 2, the first threaded rod 3, and the rotating block 18. The first containing tube 1, the connecting column 2, the first threaded rod 3, the second containing tube 4, and the rotating block 18 are fixed by the fixed sleeve 7. Then the first threaded sleeve 5 is rotated to drive the second threaded rod 8, the driving block 9, the third threaded rod 10, and the expansion sleeve 11 to move forward and backward, so that the expansion sleeve 11 is inserted into the wall. The fourth threaded rod 16 drives the reinforcing block 17 to move up and down, so that the top of the reinforcing block 17 is in contact with the second threaded rod 8. The second threaded rod 8 is fixed by the friction force between the reinforcing block 17 and the second threaded rod 8. Then the driving block 9 is rotated to drive the third threaded rod 10 to rotate, so that the expansion sleeve 11 is deformed by expansion. The third threaded rod 10 is reinforced by the expanded expansion sleeve 11, so that the device is more stable. After use, the device is removed, and then the fixed sleeve 7 is moved away from the surfaces of the connecting column 2 and the rotating block 18. Then the first containing tube 1, the connecting column 2, the first threaded rod 3, the second containing tube 4, and the rotating block 18 can be folded and stored, which can greatly reduce the storage space.

[0029] In summary, the installation of the stable expansion anchor rod, through the fixed shell 15, the fourth threaded rod 16, the reinforcing block 17, the rotating block 18 and the positioning assembly 19, solve the device in the transportation, usually are directly placed on the vehicle for transportation, and the length of the device is usually longer, in the conveying process, usually will appear a part of the leakage, prone to damage, the problem of not convenient for the transportation of the device.

Claims

1. A securely installed expansion anchor bolt, comprising a first receiving tube (1), characterized in that: A connecting post (2) is welded to the rear side of the first storage tube (1). A rotating block (18) is rotatably connected to the rear side of the connecting post (2). A first threaded rod (3) is rotatably connected to the rear side of the rotating block (18). A second storage tube (4) is welded to the rear side of the first threaded rod (3). A first threaded sleeve (5) is rotatably connected to the front side of the first storage tube (1) and the rear side of the second storage tube (4). A second threaded rod (8) is provided through the surface of the first threaded sleeve (5). A driving block (9) is rotatably connected to the surface of the second threaded rod (8). A third threaded rod (10) is welded to the surface of the driving block (9). An expansion sleeve (11) is threadedly fitted onto the surface of the third threaded rod (10). A positioning component (19) is provided at the bottom of the first storage tube (1) and the bottom of the second storage tube (4). A second threaded sleeve (6) is threadedly fitted onto the surface of the first threaded rod (3). A fixing sleeve (7) is rotatably connected to the front side of the second threaded sleeve (6).

2. The expansion bolt with stable installation according to claim 1, characterized in that: The positioning component (19) includes a fixed shell (15), the top of which is connected to the first storage tube (1) and the second storage tube (4) respectively, and a fourth threaded rod (16) is provided through the bottom of the fixed shell (15), and a reinforcing block (17) is rotatably connected to the top of the fourth threaded rod (16).

3. The expansion bolt with stable installation according to claim 2, characterized in that: A bearing is provided at the connection between the top of the fourth threaded rod (16) and the reinforcing block (17), and the top of the reinforcing block (17) is in contact with the second threaded rod (8).

4. The expansion bolt with stable installation according to claim 2, characterized in that: The bottom of the fourth threaded rod (16) is connected to a throttle by bolts, and the surface of the fourth threaded rod (16) is threadedly connected to the fixed shell (15).

5. The expansion bolt with stable installation according to claim 1, characterized in that: The rear side of the second threaded sleeve (6) is rotatably connected to a guide frame (13), and the front side of the second receiving tube (4) is provided with a guide groove (14). The surface of the guide frame (13) is slidably connected to the guide groove (14).

6. The expansion bolt with stable installation according to claim 1, characterized in that: The surface of the expansion sleeve (11) is welded with anti-slip protrusions, and the surface of the expansion sleeve (11) is provided with through holes.

7. A securely installed expansion anchor bolt according to claim 1, characterized in that: The surface of the third threaded rod (10) is threaded with a fixing head (12), and the surface of the expansion sleeve (11) is in contact with the fixing head (12).

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