Anti-tearing device for belt conveyor of open pit coal mine

Abstract

The utility model relates to the technical field of coal production, and discloses an open pit coal mine belt conveyor anti-tearing device which comprises installation plates and C-shaped frames connected to the opposite faces of the installation plates on the two sides in a bolted mode, and further comprises bearing plates arranged on one sides of the C-shaped frames, and guide grooves are formed in the two sides of the inner wall of each C-shaped frame. Through cooperation of the guide groove, the lifting mechanism and the bearing plate, the mounting base can drive the anti-tearing detector to ascend and descend, the anti-tearing detector can adapt to belt conveyors with different thicknesses, materials and operation conditions, the accuracy and reliability of tearing detection are ensured, and under cooperation of the mounting base, the shifting plate, the limiting plate and the positioning mechanism, the whole device does not need to be disassembled, and the working efficiency is improved. According to the anti-tear detector, the anti-tear detector can be quickly contacted by a maintainer, and necessary work such as checking, cleaning, calibrating or replacing parts can be carried out, so that the maintenance time is greatly shortened, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal production technical field, concretely is a kind of open coal mine belt conveyor anti-tearing device. BACKGROUND

[0002] Open coal mine refers to the coal buried shallowly, by stripping the overburden of coal seam Overburden, directly on the surface coal mining coal mine. Its mining process is similar to "quilt" covering on coal, then coal is dug out, when transporting the mined coal usually needs to use belt conveyor to transfer, in order to be able to find the tearing of belt condition in time, tearing device needs to be monitored using when the operation of conveyor.

[0003] The detector of part of the anti-tearing device currently used, it usually does not have the function of adjusting height, when the running condition of belt conveyor changes or replaces, such as belt thickness, material or running tension adjustment, detection component can not accurately aim at belt tearing detection, this can lead to detection sensitivity decline, even unable to detect tearing condition in time, and part of anti-tearing device needs to maintain detector after long-term use, since the device is usually installed at the bottom of conveyor belt, workers need to disassemble the device, disassembly and reinstallation of the whole device need to consume a lot of manpower and time, thereby increasing maintenance cost. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of open coal mine belt conveyor anti-tearing device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of open coal mine belt conveyor anti-tearing device, including mounting plate and bolted to the C-shaped frame of two sides mounting plate opposite face, still include:

[0006] The bearing plate of being arranged in the side of C-shaped frame, the two sides of C-shaped frame inner wall are all provided with guide slot, the side of C-shaped frame is provided with lifting mechanism, the side of bearing plate is provided with mounting seat;

[0007] Anti-tearing detector of being arranged in the top of mounting seat, the side of bearing plate inner wall is slidably connected with the push plate, the side of the surface of push plate is bolted with limit board, the surface of bearing plate is bolted with mounting bracket, the side of mounting bracket is provided with positioning mechanism.

[0008] Preferably, the lifting mechanism comprises a screw rod rotating on one side of the surface of the C-shaped frame and a lead screw bolted on one end of the surface of the screw rod, the surface of the lead screw is screw-connected with a transmission sleeve, one end of the surface of the transmission sleeve is bolted with one side of the bottom of a bearing plate, both sides of the bottom of the bearing plate are bolted with L-shaped frames, and one side of the surface of the L-shaped frame is slidingly connected with the inner wall of a guide groove.

[0009] Preferably, the positioning mechanism comprises rotating rods rotating on both sides of the surface of a mounting frame and a bevel gear bolted on one end of the surface of the rotating rod, one side of the surface of the mounting frame is rotationally connected with a one-way threaded rod, one side of the surface of the bevel gear is bolted with the top of the one-way threaded rod, one side of the surface of the one-way threaded rod is screw-connected with a stop rod, and one side of the surface of the stop rod is slidingly connected with the inner wall of the mounting frame.

[0010] Preferably, the length of the inner wall of the cavity below the mounting seat is equal to the length of the limiting plate.

[0011] Preferably, the cross section of the L-shaped frame is square, and the inner wall of the guide groove is square.

[0012] Preferably, the height of the inner wall of the mounting frame is equal to the height of the threaded surface of the one-way threaded rod.

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

[0014] The utility model discloses a guide groove, lifting mechanism and bearing plate cooperation can make mounting seat drive anti-tearing detector lift, can make it adapt to the adhesive tape conveyer of different thickness, material and operating condition, ensure the accuracy and reliability of tearing detection, under the cooperation of mounting seat, push plate, limiting plate and positioning mechanism, do not need to disassemble the whole device, let maintenance personnel can contact anti-tearing detector more quickly, carry out necessary inspection, cleaning, calibration or replacement parts work, this greatly shortens the maintenance time, improves work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic view in the utility model;

[0016] Figure 2 It is the structure schematic view of lifting mechanism in the utility model;

[0017] Figure 3 It is the cross section structure schematic view of bearing plate and mounting seat in the utility model;

[0018] Figure 4 It is the structure schematic view of positioning mechanism in the utility model.

[0019] In the figure: 1, mounting plate; 2, C-shaped frame; 3, bearing plate; 4, guide groove; 5, lifting mechanism; 51, twist rod; 52, screw rod; 53, transmission sleeve; 54, L-shaped frame; 6, mounting seat; 7, anti-tearing detector; 8, push plate; 9, limiting plate; 10, mounting frame; 11, positioning mechanism; 111, rotating rod; 112, bevel gear; 113, one-way threaded rod; 114, stop rod. DETAILED DESCRIPTION

[0020] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-4 As shown in the figure, an open coal mine belt conveyor anti-tearing device, including mounting plate 1, the number of mounting plate 1 is two, mounting plate 1 can be installed on the conveyor, the opposite side of the mounting plate 1 is bolted with C-shaped frame 2, one side of C-shaped frame 2 is provided with bearing plate 3, both sides of the inner wall of C-shaped frame 2 are provided with guide groove 4, one side of C-shaped frame 2 is provided with lifting mechanism 5, lifting mechanism 5 is used with guide groove 4, under the action of guide groove 4, the internal parts of lifting mechanism 5 can run more stably, when lifting mechanism 5 runs, bearing plate 3 can be lifted, one side of bearing plate 3 is provided with mounting seat 6, mounting seat 6 can be inserted into the inside of bearing plate 3, the top of mounting seat 6 is provided with anti-tearing detector 7, when bearing plate 3 is lifted, mounting seat 6 can be lifted, when mounting seat 6 is lifted, anti-tearing detector 7 can be lifted, one side of the inner wall of bearing plate 3 is slidably connected with push plate 8, push plate 8 is designed in L-shaped, one side of the surface of push plate 8 is bolted with limiting plate 9, when push plate 8 moves, limiting plate 9 can move, when limiting plate 9 moves to the appropriate position, it can enter the inner cavity of mounting seat 6, under the action, mounting seat 6 can be prevented from easily separating from the inside of bearing plate 3, the length of the inner wall of the cavity below mounting seat 6 is equal to the length of limiting plate 9, one side of the surface of bearing plate 3 is bolted with mounting frame 10, one side of mounting frame 10 is provided with positioning mechanism 11, positioning mechanism 11 is used with push plate 8, when the internal parts of positioning mechanism 11 run to the appropriate position, push plate 8 can be prevented from easily moving.

[0022] The lifting mechanism 5 comprises a twist rod 51, one side of the surface of the twist rod 51 is rotationally connected with one side of the surface of the C-shaped frame 2, one end of the surface of the twist rod 51 is bolted with a lead screw 52, the lead screw 52 can be rotated when the twist rod 51 is rotated, the surface of the lead screw 52 is threadedly connected with a transmission sleeve 53, one end of the surface of the transmission sleeve 53 is bolted with one side of the bottom of the bearing plate 3, the transmission sleeve 53 can be lifted when the lead screw 52 is rotated, the bearing plate 3 can be lifted when the transmission sleeve 53 is lifted, the bottom of the bearing plate 3 is bolted with L-shaped frames 54 on both sides, one side of the surface of the L-shaped frames 54 is slidingly connected with the inner wall of the guide groove 4, the cross section of the L-shaped frames 54 is square, and the inner wall of the guide groove 4 is square, the L-shaped frames 54 on both sides can be lifted when the bearing plate 3 is lifted, the bearing plate 3 can move more stably under the action of the L-shaped frames 54.

[0023] The positioning mechanism 11 comprises a rotating rod 111, both sides of the surface of the rotating rod 111 are rotationally connected with both sides of the surface of the mounting frame 10, one end of the surface of the rotating rod 111 is bolted with a bevel gear 112, the bevel gear 112 can be rotated when the rotating rod 111 is rotated, one side of the surface of the mounting frame 10 is rotationally connected with a one-way threaded rod 113, one side of the surface of the bevel gear 112 is bolted with the top of the one-way threaded rod 113, the one-way threaded rod 113 can be rotated when the bevel gear 112 is rotated, one side of the surface of the one-way threaded rod 113 is threadedly connected with a stop rod 114, one side of the surface of the stop rod 114 is slidingly connected with the inner wall of the mounting frame 10, the stop rod 114 can be lifted when the one-way threaded rod 113 is rotated, the dial plate 8 can be positioned when the stop rod 114 is lowered to the appropriate position, the bottom of the one-way threaded rod 113 is higher than the top of the dial plate 8, and the height of the inner wall of the mounting frame 10 is equal to the height of the threaded surface of the one-way threaded rod 113.

[0024] Working principle: when the height position of the conveyor belt changes, the twist rod 51 is rotated, the lead screw 52 can be rotated when the twist rod 51 is rotated, the transmission sleeve 53 can be lifted when the lead screw 52 is rotated, the bearing plate 3 can be lifted when the transmission sleeve 53 is lifted, the L-shaped frames 54 on both sides can be lifted when the bearing plate 3 is lifted, the mounting seat 6 can be lifted when the bearing plate 3 is lifted, the anti-tear detector 7 can be lifted when the mounting seat 6 is lifted, the anti-tear detector 7 can be lifted to the required position, when the anti-tear detector 7 needs to be maintained, the rotating rod 111 is rotated, the bevel gear 112 can be rotated when the rotating rod 111 is rotated, the one-way threaded rod 113 can be rotated when the bevel gear 112 is rotated, the stop rod 114 can be lifted when the one-way threaded rod 113 is rotated, the dial plate 8 can be removed when the stop rod 114 is lifted to the appropriate position, then the dial plate 8 is pushed, the limiting plate 9 can be moved when the dial plate 8 is moved, the mounting seat 6 can be taken out when the limiting plate 9 moves out of the inner cavity of the mounting seat 6.

[0025] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0026] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. An open coal mine belt conveyor anti-tearing device, comprising mounting plates (1) and C-shaped frames (2) bolted to the opposite faces of the mounting plates (1) on both sides, characterized in that, Also include: The C-shaped frame (2) is provided with a bearing plate (3) on one side, the inner wall of the C-shaped frame (2) is provided with a guide groove (4) on both sides, the C-shaped frame (2) is provided with a lifting mechanism (5) on one side, the bearing plate (3) is provided with a mounting seat (6) on one side; The anti-tear detector (7) is arranged on the top of the mounting seat (6), the inner wall of the bearing plate (3) is slidably connected with a push plate (8), the surface of the push plate (8) is connected with a limiting plate (9) on one side, the surface of the bearing plate (3) is connected with a mounting bracket (10) on one side, and the mounting bracket (10) is provided with a positioning mechanism (11) on one side.

2. An open cut coal mine belt conveyor anti-tear device according to claim 1, characterised in that: The lifting mechanism (5) includes a twisting rod (51) rotating on one side of the surface of the C-shaped frame (2) and a lead screw (52) connected to one end of the surface of the twisting rod (51), the surface of the lead screw (52) is threadedly connected with a transmission sleeve (53), one end of the surface of the transmission sleeve (53) is connected with one side of the bottom of the bearing plate (3), and the bottom of the bearing plate (3) is connected with an L-shaped bracket (54) on both sides, one side of the surface of the L-shaped bracket (54) is slidably connected with the inner wall of the guide groove (4).

3. An open cut coal mine belt conveyor anti-tear device according to claim 1, characterised in that: The positioning mechanism (11) includes a rotating rod (111) rotating on both sides of the surface of the mounting bracket (10) and a bevel gear (112) connected to one end of the surface of the rotating rod (111), the mounting bracket (10) is rotatably connected with a one-way threaded rod (113) on one side, one side of the surface of the bevel gear (112) is connected with the top of the one-way threaded rod (113), one side of the surface of the one-way threaded rod (113) is threadedly connected with a stop rod (114), and one side of the surface of the stop rod (114) is slidably connected with the inner wall of the mounting bracket (10).

4. An open cut coal mine belt conveyor anti-tear device according to claim 1, characterised in that: The length of the inner wall of the cavity below the mounting seat (6) is equal to the length of the limiting plate (9).

5. An open cut coal mine belt conveyor anti-tear device according to claim 2, characterised in that: The cross section of the L-shaped bracket (54) is square, and the inner wall of the guide groove (4) is square.

6. An open cut coal mine rubber belt conveyor anti-tearing device according to claim 3, characterized in that: The height of the inner wall of the mounting bracket (10) is equal to the height of the threaded surface of the one-way threaded rod (113).

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