Coal mine paste filling bag hook

Abstract

The utility model discloses a coal mine paste filling bag hook, which relates to the field of coal mining and comprises an upper shell and a lower shell, the lower end of the upper shell is fixedly connected with the lower shell, a cam motor is fixedly connected in the upper shell, an output shaft of the cam motor is fixedly connected with a cam, the cam is positioned in the lower shell, and two rotating rods are symmetrically arranged on two sides of the cam. One end of each rotating rod can be connected with the cam all the time, the middle of each rotating rod is rotationally connected with the lower shell through a rod, and a fixing assembly is arranged at the other end of each rotating rod; the cam is in a central symmetry figure, a T-shaped groove is formed in the side face of the cam, the upper end of each rotating rod is rotationally connected with one end of a connecting rod, the other end of the connecting rod is fixedly connected with a sliding block, the upper surface and the lower surface of the sliding block are in ball connection with a plurality of balls respectively, and the balls are in contact connection with the inner surface of the T-shaped groove. The height of a cloth bag hung by the hook can be changed, and meanwhile, the lower shell can be taken down for maintenance, so that the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of coal mining, concretely to a coal mine paste filling bag hook. BACKGROUND

[0002] The filling mining method is a mining method that fills the mined-out area with filling material while accompanying the falling of the mine, the transportation and other operations. The purpose of filling is to support the two sides of the mined-out area and to create a stable floor for the continued mining of the upper layer. The filling method is usually as follows: first, the roof and the tail beam support the rock layer above the mined-out area, then the cloth bag is placed in the mined-out area below the tail beam, the cloth bag is hung on the hook, then the cloth bag is opened and the paste is released into the cloth bag, after the paste solidifies, the roof and the tail beam move towards the unmined coal seam area, the filling of the coal mine mined-out area is completed, and the tail beam end below is located in the mined-out area again.

[0003] The traditional hook cannot adjust the height of the suspended cloth bag, different hooks need to be used for different filling requirements, which is difficult to replace, and the replacement of the hook reduces the efficiency of coal mining. At the same time, the traditional hook is not convenient to maintain, when the hook cannot suspend the cloth bag, it is often difficult to quickly maintain, usually a new hook needs to be directly replaced for use, which increases the cost of work. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a coal mine paste filling bag hook to solve the problems in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a coal mine paste filling bag hook, comprising an upper shell and a lower shell, the upper shell is connected with the lower shell at the lower end, a cam motor is fixedly connected in the upper shell, the output shaft of the cam motor is fixedly connected with a cam, the cam is located in the lower shell, two rotating rods are symmetrically arranged on the two sides of the cam, one end of the two rotating rods can always be connected with the cam, the middle part of the rotating rod is rotatably connected with the lower shell through a rod, and the other end of the rotating rod is provided with a fixing assembly.

[0006] The shape of the cam is a central symmetric figure, and the side surface of the cam is provided with a T-shaped groove, one end of a connecting rod is rotatably connected with the upper end of each rotating rod, the other end of the connecting rod is fixedly connected with a sliding block, and the upper surface and the lower surface of the sliding block are respectively spherically connected with a plurality of spheres, and the spheres are rollingly connected with the inner surface of the T-shaped groove.

[0007] Preferably, the fixing assembly comprises an adjusting plate and an adjusting block, the lower end of each rotating rod is rotatably connected with the middle part of the adjusting plate, the outer surface of the adjusting plate is connected with the adjusting block, the lower end of one adjusting block is fixedly connected with a first bent hook, the lower end of the other adjusting block is fixedly connected with a second bent hook, and the first bent hook and the second bent hook can be connected in contact to form a U shape.

[0008] Preferably, the upper end of the upper shell is fixedly connected with a plurality of ear plates for fixedly connecting the upper shell to a desired device.

[0009] Preferably, the upper end of the lower shell is fixedly connected with a plurality of ear plates, and the lower end of the upper shell is fixedly connected with a plurality of ear plates.

[0010] Preferably, the rotating rod is L-shaped.

[0011] Compared with the prior art, the utility model has the advantages that: the height of the bag hung by the hook can be changed through the setting of the adjusting plate and the adjusting block, and the adjusting is convenient; meanwhile, the cam motor and the fixing assembly are respectively installed into the upper shell and the lower shell, and the upper shell and the lower shell can be disassembled, so when the hook needs to be maintained, the lower shell can be directly taken down for maintenance, and the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the utility model;

[0013] Figure 2 It is a whole structure front view of the utility model;

[0014] Figure 3 It is a sectional view of the cam position of the utility model;

[0015] Figure 4 It is a sectional view of the rotating rod position of the utility model;

[0016] Figure 5 It is a sectional view of the ball position of the utility model;

[0017] Figure 6 It is Figure 4 It is a local enlarged view of A in the middle.

[0018] In the drawing: 101, upper shell, 102, lower shell, 103, ear plate, 201, cam, 202, cam motor, 203, rotating rod, 204, T-shaped slot, 205, connecting rod, 206, sliding block, 207, ball, 301, adjusting plate, 302, adjusting block, 303, hook one, 304, hook two. DETAILED DESCRIPTION

[0019] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0020] Please refer to Figures 1-6 To solve the problem that the hook cannot be adjusted in height and is difficult to maintain, and to achieve the effect that the hook can be adjusted in height and is convenient to maintain, the present application provides a technical solution: a coal mine paste filling bag hook, comprising an upper shell 101 and a lower shell 102, the lower end of the upper shell 101 is connected to the lower shell 102, a cam motor 202 is fixedly connected inside the upper shell 101, the output shaft of the cam motor 202 is fixedly connected to a cam 201, the cam 201 is located inside the lower shell 102, two rotating rods 203 are symmetrically arranged on both sides of the cam 201, one end of the two rotating rods 203 can always be connected to the cam 201, the middle part of the rotating rod 203 is rotatably connected to the lower shell 102 through a rod, and the other end of the rotating rod 203 is provided with a fixing assembly; the shape of the rotating rod 203 is L-shaped; the shape of the cam 201 is a centrally symmetric figure, for example, an oval, and the side surface of the cam 201 is provided with a T-shaped groove 204; one end of a connecting rod 205 is rotatably connected to the upper end of each rotating rod 203, the other end of the connecting rod 205 is fixedly connected to a sliding block 206, and the upper surface and the lower surface of the sliding block 206 are respectively ball-connected to a plurality of spherical bodies 207, and the spherical bodies 207 are rollingly connected to the inner surface of the T-shaped groove 204. In the present application, the cam motor 202 adopts an existing model.

[0021] To achieve the effect of conveniently adjusting the height of the suspended cloth bag, a fixing assembly is provided, the fixing assembly comprises an adjusting plate 301 and an adjusting block 302, the lower end of each rotating rod 203 is rotatably connected to the middle part of the adjusting plate 301, the outer surface of the adjusting plate 301 is connected to the adjusting block 302, the lower end of one adjusting block 302 is fixedly connected to a first bent hook 303, the lower end of the other adjusting block 302 is fixedly connected to a second bent hook 304, and the first bent hook 303 and the second bent hook 304 can be connected in contact to form a U shape.

[0022] To achieve the effect of conveniently maintaining the hook, an ear plate 103 is provided, a plurality of ear plates 103 are fixedly connected to the upper end of the upper shell 101, for fixedly connecting the upper shell 101 to the required equipment, and the required equipment is equipment, mechanism and parts, etc. that need to be installed with the hook. A plurality of ear plates 103 are fixedly connected to the upper end of the lower shell 102, and a plurality of ear plates 103 are fixedly connected to the lower end of the upper shell 101, and the two groups of ear plates 103 can fixedly connect the lower shell 102 and the upper shell 101.

[0023] When the cloth bag needs to be hung, the cam motor 202 is started, the cam motor 202 drives the cam 201 to rotate, the ball 207 starts to roll in the T-shaped groove 204, and the T-shaped groove 204 drives the sliding block 206 to start to move, the sliding block 206 drives the connecting rod 205 to move, the connecting rod 205 drives the rotating rod 203 to rotate, in the process of rotating the rotating rod 203, the connecting rod 205 and the rotating rod 203 adaptively rotate, and there is a gap between the inside of the T-shaped groove 204 and the connecting rod 205 and the sliding block 206, which facilitates adaptive adjustment when the rotating rod 203 rotates, the rotating rod 203 drives the adjusting plate 301 to move, the adjusting plate 301 drives the adjusting block 302 to move, the adjusting block 302 drives the bent hook one 303 and the bent hook two 304 to move away, then the cam motor 202 is turned off, and the cloth bag is hung on the bent hook one 303; the cam motor 202 is started again, the cam motor 202 drives the adjusting block 302 to move, the two adjusting blocks 302 are in contact, the two adjusting blocks 302 drive the two adjusting plates 301 to adaptively rotate, thereby facilitating the hanging of the cloth bag, the adjusting block 302 continues to move, the adjusting block 302 drives the bent hook one 303 and the bent hook two 304 to close, forming a complete U shape, the cam motor 202 is turned off, and the hanging of the cloth bag is completed.

[0024] When the hanging height of the cloth bag needs to be adjusted, the adjusting block 302 is provided with screws on both sides, the screws can be threadedly connected with the adjusting plate 301, and by threadedly connecting the screws to different positions of the adjusting plate 301, the position of the adjusting block 302 can be changed, so that the hanging height of the cloth bag is changed; the screw connection of the adjusting plate 301 and the adjusting block 302 is only a technical description of this technical solution, and other ways of fixedly connecting the adjusting block 302 to the connecting rod 205 and then canceling the fixed connection and re-fixing the connection are within the protection scope of the patent.

[0025] The upper shell 101 is provided with a bolt on the ear plate 103 at the upper end, the bolt is threadedly connected to the required mechanism, the lower shell 102 is taken off from the upper shell 101 by threadedly connecting the bolt and the nut, and when the hook needs to be repaired, the bolt and the nut are only needed to be disengaged, so that the lower shell 102 can be taken off from the upper shell 101; wherein the cam 201 and the output shaft of the cam motor 202 are fixedly connected in a mode including but not limited to a pin, the cam 201 can be taken off from the output shaft of the cam motor 202 when the lower shell 102 is taken off from the upper shell 101; the above bolt connection is only a technical description of this technical solution, and other ways of fixedly connecting the upper shell 101 and the lower shell 102 and then canceling the fixed connection and re-fixing the connection are within the protection scope of the patent.

[0026] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A coal mine paste filling bag hook, comprising an upper shell (101) and a lower shell (102), characterized in that: The upper shell (101) is connected with the lower shell (102) at the lower end, the cam motor (202) is fixedly connected in the upper shell (101), the output shaft of the cam motor (202) is fixedly connected with the cam (201), the cam (201) is located in the lower shell (102), two rotating rods (203) are symmetrically arranged on the two sides of the cam (201), one end of the two rotating rods (203) can always be connected with the cam (201), the middle part of the rotating rod (203) is rotatably connected with the lower shell (102) through a rod, and the other end of the rotating rod (203) is provided with a fixing assembly; The shape of the cam (201) is a central symmetric figure, the side surface of the cam (201) is provided with a T-shaped groove (204), one end of the connecting rod (205) is rotatably connected with the upper end of each rotating rod (203), the other end of the connecting rod (205) is fixedly connected with the sliding block (206), the upper surface and the lower surface of the sliding block (206) are respectively spherically connected with a plurality of spherical bodies (207), and the spherical bodies (207) are rollingly connected with the inner surface of the T-shaped groove (204).

2. A paste filling bag hanger for coal mines according to claim 1, characterized in that: The fixing assembly comprises an adjusting plate (301) and an adjusting block (302), the lower end of each rotating rod (203) is rotatably connected with the middle part of the adjusting plate (301), the outer surface of the adjusting plate (301) is connected with the adjusting block (302), the lower end of one adjusting block (302) is fixedly connected with a first hook (303), the lower end of the other adjusting block (302) is fixedly connected with a second hook (304), and the first hook (303) and the second hook (304) can be connected in contact to form a U shape.

3. The paste filling bag hook for coal mine according to claim 1, characterized in that: The upper end of the upper shell (101) is fixedly connected with a plurality of ear plates (103), so as to fix the upper shell (101) to the required equipment.

4. A paste filling bag hanger for coal mines according to claim 3, characterized in that: The upper end of the lower shell (102) is fixedly connected with a plurality of ear plates (103), the lower end of the upper shell (101) is fixedly connected with a plurality of ear plates (103), and the two groups of ear plates (103) can fix the lower shell (102) and the upper shell (101).

5. The paste filling bag hook for coal mine according to claim 1, characterized in that: The shape of the rotating rod (203) is L-shaped.

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