Depth setting device for coal mine anchor rod reinforcement

Abstract

The utility model discloses a depth setting device for reinforcing a coal mine anchor rod, which comprises a bottom plate, a depth setting device and a depth setting device, the four adjusting assemblies are located on the upper end face of the bottom plate, each adjusting assembly comprises a transverse moving air cylinder, the output end of each transverse moving air cylinder is connected with a moving seat, each moving seat comprises an upper fixing position and a lower fixing position, and the upper fixing positions and the lower fixing positions are each provided with an angle adjusting air cylinder; a depth-keeping air cylinder is arranged above the limiting barrel, the output end of the depth-keeping air cylinder is connected with a sliding part in the limiting barrel, and the lower end of the sliding part is fixedly connected with the head end of the anchor rod through a connecting sleeve. Through the synergistic effect of the limiting barrel and the depth-keeping air cylinder, the anchor rod can be deeply inserted into a drill hole according to the design, the preset reinforcing effect is achieved, the adjusting assembly can adjust the angle between the whole device and the surface of a roadway according to the actual situation so that the angle can be consistent with the anchoring drill hole direction, and the anchoring effect is improved. And therefore, the device is wide in application range.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining, in particular to a depth setting device for coal mine anchor reinforcement. Background Art

[0002] The tunnel is the lifeline of the mine, responsible for pedestrians, ventilation, transportation and other tasks. Coal mine tunnels are tunnels for mining coal. Coal mine tunnels are usually reinforced with anchor rods, which can anchor the rock formation to avoid loosening and collapse and cause accidents, ensuring the smooth and safe progress of coal mining.

[0003] Most existing anchor rods are installed manually and cannot be inserted into the drill hole accurately according to the designed depth, which affects the reinforcement effect of the tunnel. Utility Model Content

[0004] In view of the above technical problems in the related art, the utility model provides a depth-fixing device for coal mine anchor reinforcement, which can solve the above problems.

[0005] In order to achieve the above technical purpose, the technical solution of the utility model is implemented as follows:

[0006] A depth setting device for coal mine anchor reinforcement, comprising:

[0007] A bottom plate, wherein a circular opening is formed in the center of the bottom plate;

[0008] Four adjustment components are located on the upper surface of the bottom plate, the adjustment components include a transverse cylinder, the output end of the transverse cylinder is connected to a moving seat, the moving seat includes an upper fixed position and a lower fixed position, and an angle adjustment cylinder is provided on each of the upper fixed position and the lower fixed position;

[0009] A limiting cylinder is located directly above the circular opening, and the limiting cylinder includes four movable plates of a fan ring structure, each of the movable plates is movably connected to one of the adjusting components through a connecting rod, and a depth-fixing cylinder is arranged above the limiting cylinder, and the output end of the depth-fixing cylinder is connected to a sliding member in the limiting cylinder, and the lower end of the sliding member is fixedly connected to the anchor rod head end through a connecting sleeve.

[0010] Furthermore, the base plate is a circular structure and is arranged concentrically with the anchoring borehole.

[0011] Furthermore, the top of the movable plate is folded inwards by 90° to form a fan ring structure mounting portion, and the left and right sides of the fan ring structure mounting portion are respectively provided with connecting portions.

[0012] Furthermore, the inner side surface of the movable plate has a rib plate, and the side surface of the rib plate is provided with a longitudinal groove, the sliding member is provided with a limiting portion, and the outer peripheral side of the limiting portion is provided with a protrusion that matches the longitudinal groove.

[0013] Furthermore, a transverse accommodating groove is provided in the middle section of the outer side surface of the movable plate, the limiting cylinder is surrounded by the four movable plates and is locked by a clamp in the transverse accommodating groove, and the outer diameter of the limiting cylinder is smaller than the inner diameter of the circular opening.

[0014] Furthermore, the four adjustment components are evenly arranged around the outer circumference of the limiting cylinder, and the four adjustment components correspond one-to-one to the four movable plates. Each movable plate is respectively connected to an upper fixed angle adjustment cylinder and a lower fixed angle adjustment cylinder through two connecting rods, and the connecting rod is hinged between the output end of the angle adjustment cylinder and the outer side surface of the movable plate.

[0015] Furthermore, the top and bottom of the inner side of the movable seat are respectively connected to an upper mounting plate and a lower mounting plate of a fan ring structure, and the upper mounting plate and the lower mounting plate are respectively provided with the upper fixing position and the lower fixing position, and the output end of the angle adjustment cylinder located at the upper fixing position is vertically downwardly arranged, and the output end of the angle adjustment cylinder located at the lower fixing position is vertically upwardly arranged.

[0016] Furthermore, the connecting sleeve is provided with an internal thread.

[0017] The beneficial effects of the utility model are as follows: the utility model can, through the synergistic effect of the limiting tube and the fixed depth cylinder, enable the anchor rod to be deeply inserted into the drill hole as designed, thereby achieving a predetermined reinforcement effect, and the adjustment component can adjust the angle between the entire device and the tunnel surface to be consistent with the anchor drilling direction according to actual conditions, or move up and down to adapt to anchor rods of different lengths, and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

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

[0020] Figure 1 It is a front view of a depth setting device for coal mine anchor reinforcement according to an embodiment of the utility model;

[0021] Figure 2 It is a top view of the embodiment of the utility model.

[0022] In the figure:

[0023] 1. Bottom plate; 101. Circular opening; 2. Limiting cylinder; 201. Moving plate; 202. Clamp; 4. Depth-fixing cylinder; 401. Transverse cylinder; 402. Moving seat; 403. Angle-adjusting cylinder; 404. Connecting rod; 5. Sliding part. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in 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. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0025] like Figure 1-2 As shown, according to the utility model, a depth setting device for coal mine anchor reinforcement is disclosed, comprising:

[0026] A bottom plate 1 is fixed to the outer peripheral surface of the anchoring borehole, and the bottom plate 1 is circular and is arranged concentrically with the anchoring borehole, and a circular opening 101 is provided at the center of the bottom plate 1;

[0027] The limiting cylinder 2 is located directly above the circular opening 101 and is formed by connecting four movable plates 201 of a fan ring structure. The inner side of the movable plate 201 has a rib plate, and the side of the rib plate is provided with a longitudinal groove. The middle section of the outer side of the movable plate 201 has a transverse accommodating groove, and a clamp 202 is arranged in the transverse accommodating groove to fix the limiting cylinder 2 enclosed by the four movable plates 201;

[0028] Four adjustment components, which are distributed in a cross shape around the circular opening 101 and correspond to the movable plates 201 one by one, and the adjustment components drive the movable plates 201 to move closer to or apart from each other, or drive the limiting cylinder 2 to tilt to adjust its angle to be consistent with the direction of the anchor drilling, or drive the limiting cylinder 2 to move up and down;

[0029] A depth-fixing cylinder 4 is arranged above the limiting cylinder 2, and an output end thereof is arranged vertically downward;

[0030] And a sliding member 5, which is located in the limiting tube 2 and is fixed to the output end of the fixed depth cylinder 4, the sliding member 5 has a limiting portion, the outer peripheral side of the limiting portion is provided with a protrusion that cooperates with the longitudinal groove, and the lower part of the sliding member has a connecting sleeve to be fixed to the anchor rod head end.

[0031] The convex block cooperates with the longitudinal groove to prevent the position deviation between the depth-fixing cylinder and the limiting cylinder.

[0032] The adjustment component can adjust the angle of the entire device. When the anchoring drill hole is not perpendicular to the tunnel surface, it can ensure that the anchor rod is anchored in the same direction as the drill hole.

[0033] In addition, the adjustment component can also adjust the height of the limiting cylinder to adapt to anchor rods of different lengths.

[0034] Embodiment 1:

[0035] The adjustment component described in the present application includes: a transverse cylinder 401 arranged on the upper surface of the base plate 1, and its output end is arranged horizontally and facing the circular opening 101; a movable seat 402, which is arranged at the output end of the transverse cylinder 401, and the inner side surface of the movable seat 402 has an upper fixed position and a lower fixed position; two angle adjustment cylinders 403, which are respectively arranged at the upper fixed position and the lower fixed position, and the output end of the angle adjustment cylinder 403 located at the upper fixed position is arranged vertically downward, and the output end of the angle adjustment cylinder 403 located at the lower fixed position is arranged vertically upward; a connecting rod 404, which is hinged between the output end of the angle adjustment cylinder 403 and the outer side surface of the movable plate 201.

[0036] The lateral cylinder can adjust the distance between the moving seats, making it easy to leave after the anchor rod is installed and carry out the subsequent anchoring process. By changing the stroke of the angle adjustment cylinder, the angle of the limit cylinder 2 can be changed, which is suitable for anchoring operations at different angles.

[0037] Embodiment 2:

[0038] The top of the movable plate 201 is folded inward 90° to form a fan ring structure mounting portion, and the left and right sides of the fan ring structure mounting portion are respectively provided with connecting portions. The fan ring structure mounting portion can support the fixed depth cylinder 4, and the connecting portion can avoid misalignment between the movable plates 201.

[0039] Embodiment three:

[0040] The outer diameter of the limiting cylinder 2 in the present application is smaller than the inner diameter of the circular opening 101 , so that the bottom of the limiting cylinder 2 can abut against the surface of the lane, thereby reducing shaking and improving operation accuracy.

[0041] In the present application, the connecting sleeve is provided with an internal thread, and can be threadedly connected with different anchor rods.

[0042] The top and bottom of the inner side of the movable seat 402 described in the present application are respectively provided with a mounting plate, and the upper fixing position and the lower fixing position are respectively provided on the two mounting plates, so as to facilitate the installation of the angle adjustment cylinder 403.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A depth setting device for coal mine anchor reinforcement, characterized in that: include: A bottom plate (1), wherein a circular opening (101) is provided at the center of the bottom plate (1); Four adjustment components are located on the upper end surface of the bottom plate (1), the adjustment components comprising a transverse cylinder (401), the output end of the transverse cylinder (401) is connected to a movable seat (402), the movable seat (402) comprises an upper fixed position and a lower fixed position, and each of the upper fixed position and the lower fixed position is provided with an angle adjustment cylinder (403); A limiting cylinder (2), the limiting cylinder (2) being located directly above the circular opening (101), the limiting cylinder (2) comprising four movable plates (201) of a fan ring structure, each of the movable plates (201) being movably connected to one of the adjustment components via a connecting rod (404), a depth-fixing cylinder (4) being arranged above the limiting cylinder (2), the output end of the depth-fixing cylinder (4) being connected to a sliding member (5) in the limiting cylinder (2), and the lower end of the sliding member (5) being fixedly connected to the head end of the anchor rod via a connecting sleeve.

2. A depth setting device for coal mine bolt reinforcement according to claim 1, characterized in that: The base plate (1) is a circular structure and is arranged concentrically with the anchoring borehole.

3. A depth setting device for coal mine bolt reinforcement according to claim 1, characterized in that: The top of the movable plate (201) is folded inwards by 90° to form a fan ring structure mounting portion, and the left and right sides of the fan ring structure mounting portion are respectively provided with connecting portions.

4. A depth setting device for coal mine bolt reinforcement according to claim 1, characterized in that: The inner side surface of the movable plate (201) has a rib plate, and the side surface of the rib plate is provided with a longitudinal slot. The sliding member (5) is provided with a limiting portion, and the outer peripheral side of the limiting portion is provided with a protrusion that matches the longitudinal slot.

5. A depth setting device for coal mine bolt reinforcement according to claim 1, characterized in that: A transverse accommodating groove is provided in the middle of the outer side surface of the movable plate (201); the limiting cylinder (2) is formed by enclosing four movable plates (201) and is locked by a clamp (202) in the transverse accommodating groove; the outer diameter of the limiting cylinder (2) is smaller than the inner diameter of the circular opening (101).

6. A depth setting device for coal mine bolt reinforcement according to claim 1, characterized in that: The four adjustment components are evenly arranged around the outer circumference of the limiting cylinder (2), and the four adjustment components correspond to the four movable plates (201) one by one. Each movable plate (201) is respectively connected to an upper fixed angle adjustment cylinder (403) and a lower fixed angle adjustment cylinder (403) via two connecting rods (404), and the connecting rod (404) is hinged between the output end of the angle adjustment cylinder (403) and the outer side surface of the movable plate (201).

7. A depth setting device for coal mine bolt reinforcement according to claim 5, characterized in that: The top and bottom of the inner side of the movable seat (402) are respectively connected to an upper mounting plate and a lower mounting plate of a fan ring structure, and the upper mounting plate and the lower mounting plate are respectively provided with the upper fixing position and the lower fixing position, and the output end of the angle adjustment cylinder (403) located at the upper fixing position is vertically arranged downward, and the output end of the angle adjustment cylinder (403) located at the lower fixing position is vertically arranged upward.

8. A depth setting device for coal mine bolt reinforcement according to claim 1, characterized in that: The connecting sleeve is provided with an internal thread.

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