Angle-adjustable anchor rod supporting device for coal mine tunnel

Abstract

The utility model discloses an angle-adjustable anchor rod supporting device for a coal mine tunnel, which belongs to the technical field of anchor rod supporting and comprises a supporting plate, rotating grooves are arranged on the front wall and the rear wall of an inner cavity of the supporting plate, a guide groove is arranged at the upper end of the supporting plate, and inner cavities of the two rotating grooves are jointly and fixedly connected with an adjusting mechanism. Through the adjusting mechanism, when an anchor rod is used for supporting a coal mine roadway, the use angle of the device can be adjusted according to the angle of the anchor rod driven into a roadway wall, so that the fixing effect of the device on a wire mesh is better, the use angle of the device can be rapidly adjusted by utilizing an adjusting assembly to be matched with an adjusting piece, and the device is convenient to use. And in the using process, the device can be turned over according to the specific state of the anchor rod, so that the supporting pipe can be attached to the outer surface of the anchor rod all the time, the function that the angle can be conveniently adjusted to assist the anchor rod in supporting can be achieved, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of anchor rod support, more specifically, relate to a kind of adjustable angle anchor rod support device of coal mine roadway. BACKGROUND

[0002] Anchor rod support is a kind of reinforcing support mode used in surface engineering such as slope, rock-soil deep foundation pit and underground chamber construction such as tunnel and stope. Rod column is made of metal piece, wood piece, polymer piece or other materials, and is punched into the hole drilled in advance in surface rock mass or chamber surrounding rock mass, and the surrounding rock and stable rock mass are combined together to produce suspension effect, composite beam effect and reinforcement effect by the special structure of head and rod body and tail plate or relying on bonding effect, to achieve the purpose of support. It has the advantages of low cost, good support effect, simple operation, flexible use, less occupation of construction clearance and the like.

[0003] Chinese patent authorized announcement No. CN212250093U provides a kind of anchor rod support device, the scheme is improved by being provided with reinforcing rib on top plate, the strength of top plate is improved, it can withstand greater load, the stress performance of anchor disc in the direction of anchor rod is improved by protruding part, the strength of anchor disc is improved, it can withstand greater load;First through-hole is set as long hole, prevent from exerting shear force to anchor rod due to top plate misplacement, reduce anchor rod abrasion, improve safety performance;Spherical washer can reduce the shear force that anchor disc exerts to anchor rod due to anchor rod skew, reduce the abrasion of anchor rod;Friction-reducing washer can reduce the friction between spherical washer and nut, so that most of the torque is converted into pre-tightening force, improve the pre-tightening force of anchor rod. In general, the strength of anchor disc and top plate is improved in the utility model, and the risk of fracture of anchor disc and top plate is reduced, but there are still the following defects in the specific implementation process: the device can only support anchor rod punched into vertical roadway during use, cannot be used when angle exists between anchor rod and roadway wall, there is certain limitation.

[0004] Therefore, aiming at the above problems, a kind of adjustable angle anchor rod support device of coal mine roadway is provided. Practical new type content

[0005] 1. Technical problem to be solved

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a kind of adjustable angle anchor rod support device of coal mine roadway, it can realize the function of angle adjustment and auxiliary anchor rod support.

[0007] 2. Technical scheme

[0008] To solve the above problems, the utility model adopts the following technical scheme.

[0009] The utility model provides an adjustable angle anchor rod supporting device of coal mine roadway, including the tray, the two walls of the cavity of tray are all seted up rotation groove, the upper end of tray is seted up guide groove, two rotation grooves are fixedly connected with adjusting mechanism in the cavity.

[0010] Further, the adjusting mechanism comprises a supporting pipe, the inner surface of the supporting pipe is fixedly connected with two rotating assemblies, and the outer surface of the supporting pipe is fixedly connected with an adjusting assembly.

[0011] Further, the rotating assembly comprises a positioning pipe, the outer surfaces of the two positioning pipes are respectively fixedly connected with the inner cavities of the two rotating grooves, the inner surface of the positioning pipe is fixedly connected with two bearings, the inner surfaces of the two bearings are fixedly connected with a rotating pipe, the inner surface of the rotating pipe is fixedly connected with a transmission rod, the outer surface of the transmission rod is fixedly connected with a connecting pipe, and the outer surfaces of the two connecting pipes are fixedly connected with the inner surface of the supporting pipe.

[0012] Further, the adjusting assembly comprises a screwing head, the left end of the screwing head is fixedly connected with a lead screw, the outer surface of the lead screw is threadedly connected with an adjusting piece, the inside of the adjusting piece is slidably connected with two guide rods, and the left and right ends of the two guide rods are respectively fixedly connected with the left and right walls of the inner cavities of the guide grooves.

[0013] Further, the guide rod comprises a moving block, the left and right ends of the moving block are fixedly connected with guide blocks, the left end of the moving block is fixedly connected with a rotating seat one, the outer surface of the rotating seat one is rotatably connected with a connecting rod, the inner surface of the connecting rod is rotatably connected with a rotating seat two, and the end, away from the moving block, of the rotating seat two is fixedly connected with the outer surface of the supporting pipe.

[0014] Further, the inner surface of the moving block is threadedly connected with the outer surface of the lead screw, and the inner surfaces of the two guide blocks are respectively slidably connected with the outer surfaces of the two guide rods.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The utility model discloses an adjustable angle anchor rod supporting device of coal mine roadway, including the tray, the two walls of the cavity of tray are all seted up rotation groove, the upper end of tray is seted up guide groove, two rotation grooves are fixedly connected with adjusting mechanism in the cavity. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 Figure is the schematic diagram of the adjusting mechanism of the utility model;

[0020] Figure 3 Figure is the schematic diagram of the rotating assembly of the utility model;

[0021] Figure 4 Figure is the schematic diagram of the adjusting assembly of the utility model;

[0022] Figure 5 Figure is the schematic diagram of the adjusting part of the utility model.

[0023] Figure mark explanation:

[0024] 1, supporting plate; 2, rotating groove; 3, guide groove; 4, adjusting mechanism; 41, support pipe; 42, rotating assembly; 421, positioning pipe; 422, bearing; 423, rotating pipe; 424, transmission rod; 425, connecting pipe; 43, adjusting assembly; 431, screwing head; 432, screw rod; 433, adjusting part; 434, guide rod; 4341, moving block; 4342, guide block; 4343, rotating seat one; 4344, connecting rod; 4345, rotating seat two. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments; Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0026] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the terms "mount", "set with", "sleeve set / interface", "connection" and the like should be understood broadly, for example, "connection", can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication inside two elements.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0028] Embodiment:

[0029] Please refer to Figures 1-5 A kind of adjustable angle anchor rod supporting device of coal mine roadway, including supporting plate 1, the two walls of the inner cavity of supporting plate 1 are both opened with rotating groove 2, guiding groove 3 is opened in the upper end of supporting plate 1, two rotating grooves 2 inner cavities are fixedly connected with adjusting mechanism 4.

[0030] The present scheme can adjust the angle of the device when using through adjusting mechanism 4, so that the device can always be sleeved on the outer surface of the anchor rod, and the supporting plate 1 is always parallel to the wire mesh, which better fixes the wire mesh and effectively supports the coal mine roadway, improving the supporting effect.

[0031] Please refer to Figures 2-5 Adjusting mechanism 4 includes supporting pipe 41, two rotating assemblies 42 are fixedly connected to the inner surface of supporting pipe 41, and adjusting assembly 43 is fixedly connected to the outer surface of supporting pipe 41.

[0032] Rotating assembly 42 includes positioning pipe 421, the outer surfaces of two positioning pipes 421 are fixedly connected to the inner cavities of two rotating grooves 2, respectively, two bearings 422 are fixedly connected to the inner surface of positioning pipe 421, rotating pipe 423 is fixedly connected to the inner surfaces of two bearings 422, transmission rod 424 is fixedly connected to the inner surface of rotating pipe 423, connecting pipe 425 is fixedly connected to the outer surface of transmission rod 424, and the outer surfaces of two connecting pipes 425 are fixedly connected to the inner surface of supporting pipe 41.

[0033] Adjusting assembly 43 includes screwing head 431, screw rod 432 is fixedly connected to the left end of screwing head 431, adjusting part 433 is threadedly connected to the outer surface of screw rod 432, two guide rods 434 are slidably connected in adjusting part 433, and the left and right ends of two guide rods 434 are fixedly connected to the left and right walls in the inner cavity of guiding groove 3, respectively.

[0034] The guide rod 434 comprises a moving block 4341, the inner surface of the moving block 4341 is screwed with the outer surface of the lead screw 432, the front and rear ends of the moving block 4341 are fixedly connected with guide blocks 4342, the inner surfaces of the two guide blocks 4342 are slidably connected with the outer surfaces of the two guide rods 434 respectively, the left end of the moving block 4341 is fixedly connected with a rotating seat one 4343, the outer surface of the rotating seat one 4343 is rotatably connected with a connecting rod 4344, the inner surface of the connecting rod 4344 is rotatably connected with a rotating seat two 4345, and the end, away from the moving block 4341, of the rotating seat two 4345 is fixedly connected with the outer surface of the support pipe 41.

[0035] The scheme twists the rotating head 431, so that the lead screw 432 rotates under the action of the rotating head 431, when the lead screw 432 rotates, the moving block 4341 is driven to move right along the outer surface thereof, when the moving block 4341 moves right, the two guide blocks 4342 are moved right along the outer surfaces of the two guide rods 434, at this time, the connecting rod 4344 is also pulled right, because the outer surfaces of the two connecting pipes 425 are fixedly connected with the inner surface of the support pipe 41, and the end, away from the moving block 4341, of the rotating seat two 4345 is fixedly connected with the outer surface of the support pipe 41, so when the connecting rod 4344 moves right, the support pipe 41 is deflected about the two transmission rods 424 under the joint action of the two bearings 422, the two rotating pipes 423 and the two transmission rods 424, so that the support pipe 41 can rotate right, the rotating angle of the support pipe 41 can be adjusted according to the included angle between the anchor rod and the wall, after the adjustment is completed, the support pipe 41 is sleeved on the outer surface of the anchor rod, at this time, the supporting plate 1 is parallel to the wall of the roadway, when the device is fastened on the anchor rod, the supporting plate 1 can better fix the wire mesh, and the effect of the coal mine roadway support is ensured.

[0036] Working principle: when the anchor rod is used to support the coal mine tunnel, the anchor rod needs to be first punched into the tunnel wall, and then the wire mesh is placed along the tunnel wall, after the placement is completed, the device can be adjusted, the screw head 431 is twisted, the lead screw 432 is rotated under the action of the screw head 431, when the lead screw 432 rotates, the moving block 4341 is driven to move right along the outer surface of the lead screw 432, when the moving block 4341 moves right, the two guide blocks 4342 are moved right along the outer surface of the two guide rods 434, at this time, the connecting rod 4344 is also pulled right, because the outer surfaces of the two connecting pipes 425 are fixedly connected with the inner surface of the supporting pipe 41, and the end of the rotating seat two 4345 away from the moving block 4341 is fixedly connected with the outer surface of the supporting pipe 41, so when the connecting rod 4344 moves right, the supporting pipe 41 is deflected about the two transmission rods 424 under the joint action of the two bearings 422, the two rotating pipes 423 and the two transmission rods 424, so that the supporting pipe 41 can rotate right, the rotation angle of the supporting pipe 41 is controlled according to the included angle between the anchor rod and the wall, after the adjustment is completed, the supporting pipe 41 is sleeved on the outer surface of the anchor rod, at this time, the supporting plate 1 is parallel to the wire mesh, when the device is fastened on the anchor rod, the supporting plate 1 can extrude the wire mesh, so that the wire mesh can be closely attached to the coal mine tunnel wall, and the tunnel is supported.

[0037] The above merely describes a preferred embodiment of the present application; however, the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and improvement concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A coal mine roadway adjustable angle anchor rod support device comprising a supporting plate (1), characterized in that: The rotating grooves (2) are arranged on the front and back walls of the inner cavity of the supporting plate (1), and the guiding groove (3) is arranged on the upper end of the supporting plate (1).

2. A tunable angle bolting device for coal mine roadways according to claim 1, characterised in that: The adjusting mechanism (4) comprises a supporting pipe (41), and the inner surface of the supporting pipe (41) is fixedly connected with two rotating assemblies (42).

3. A coal mine roadway adjustable angle bolting device according to claim 2, characterised in that: The rotating assembly (42) comprises a positioning pipe (421), the outer surfaces of the two positioning pipes (421) are fixedly connected with the inner cavities of the two rotating grooves (2), respectively, the inner surface of the positioning pipe (421) is fixedly connected with two bearings (422), the inner surfaces of the two bearings (422) are fixedly connected with a rotating pipe (423) together, the inner surface of the rotating pipe (423) is fixedly connected with a transmission rod (424), the outer surface of the transmission rod (424) is fixedly connected with a connecting pipe (425), and the outer surfaces of the two connecting pipes (425) are fixedly connected with the inner surface of the supporting pipe (41).

4. A tunable angle bolting device for coal mine roadways according to claim 2, characterised in that: The adjusting assembly (43) comprises a screwing head (431), the left end of the screwing head (431) is fixedly connected with a lead screw (432), the outer surface of the lead screw (432) is threadedly connected with an adjusting piece (433), the inside of the adjusting piece (433) is slidably connected with two guide rods (434), and the left and right ends of the two guide rods (434) are fixedly connected with the inner cavities of the left and right walls of the guiding groove (3), respectively.

5. A coal mine roadway adjustable angle bolting device according to claim 4, characterised in that: The guide rod (434) comprises a moving block (4341), the left and right ends of the moving block (4341) are fixedly connected with guide blocks (4342), the left end of the moving block (4341) is fixedly connected with a rotating seat one (4343), the outer surface of the rotating seat one (4343) is rotatably connected with a connecting rod (4344), the inner surface of the connecting rod (4344) is rotatably connected with a rotating seat two (4345), and the end, which is away from the moving block (4341), of the rotating seat two (4345) is fixedly connected with the outer surface of the supporting pipe (41).

6. A coal mine roadway adjustable angle bolting device according to claim 5, characterised in that: The inner surface of the moving block (4341) is threadedly connected with the outer surface of the lead screw (432), and the inner surfaces of the two guide blocks (4342) are slidably connected with the outer surfaces of the two guide rods (434), respectively.

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