CN211593969U

CN211593969U - Electromechanical conveying tension device for coal mine

Info

Publication number: CN211593969U
Application number: CN202020165409.XU
Authority: CN
Inventors: 雷涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-13
Filing date: 2020-02-13
Publication date: 2020-09-29
Anticipated expiration: 2030-02-13

Abstract

The utility model belongs to the technical field of conveying equipment, in particular to an electromechanical conveying tensioning device for a coal mine, aiming at the problem that the tensioning effect on a conveying belt is more and more poor due to the fact that a spring easily loses elasticity in the prior art, the scheme is provided, which comprises four supporting columns which are arranged in a rectangular shape, one side, close to each other, of two supporting columns positioned on the same short side is rotationally connected with the same roller shaft, two roller shafts are fixedly sleeved with rollers, the same conveying belt is in transmission connection with the two rollers, one side, close to each other, of the two supporting columns positioned on the same long side is fixedly connected with the same first cross rod, and the top of the two first cross rods is fixedly connected with a plurality of supporting roller rods, the conveying belt is extruded, and the effect of tensioning the conveying belt is achieved.

Description

Electromechanical conveying tension device for coal mine

Technical Field

The utility model relates to a conveying equipment technical field especially relates to a colliery electromechanical transport straining device.

Background

The area for mining coal resources in a coal-rich mining area is generally divided into a mineworker coal mine and an opencast coal mine, when a coal seam is far away from the ground surface, a roadway is generally selected to be excavated underground, the mineworker coal mine is the mineworker coal mine, when the coal seam is very close to the ground surface, a surface soil layer is generally selected to be excavated directly, the opencast coal mine is the opencast coal mine, most coal mines in China belong to the mineworker coal mine, the coal mine range comprises a large area of the ground underground and related facilities, the coal mine is a reasonable space which is excavated by human beings when excavating geological strata rich in coal, the coal mine generally comprises the roadway, a well cave, an excavation face and the like, the coal is the most main solid fuel and is one of combustible organic rocks, and is formed by the natural coal action of a long geological age by gradually piling up luxuriant plants growing in a certain geological age in a proper geological environment and burying the coal mine in the water bottom or silt, however, the coal mine is transported by a conveyer belt.

Through the retrieval, application number 201820652383.4's patent document discloses a colliery electromechanical transport straining device, including the round roller groove, the equal rigid coupling in outer wall bottom left and right sides in round roller groove has the landing leg, the inboard bottom laminating of conveyer belt has the bearing, the inner wall center department of bearing has cup jointed the second bull stick, the second bull stick passes through bearing and conveyer belt swing joint, the top rigid coupling of inner block has the roof, the equal rigid coupling in the positive left and right sides of roof has first branch, the equal rigid coupling in the top left and right sides of pocket block has first joint block, the top center department rigid coupling of first joint block has the spring, the top rigid coupling of spring has the second joint block, the top of second joint block and the bottom left and right sides fixed connection of bottom plate. This colliery electromechanical transport straining device, when needs are taut, through the cooperation of bearing and loop bar, makes the conveyer belt take-up work through the device, can make the conveyer belt tighten and be used for preventing the colliery from pushing down, can make the efficiency that conveyer belt was carried in effectual increase.

Although the coal mine electromechanical conveying tensioning device provided by the patent can tension the conveying belt under the elastic force of the tension spring, the tension spring is easy to lose elasticity and deform under a long-term tension state, so that the tensioning effect on the conveying belt is poorer and poorer, and therefore the coal mine electromechanical conveying tensioning device is provided for solving the problems.

Disclosure of Invention

The utility model aims at solving the problem that the spring in the prior art is easy to lose elasticity, resulting in the shortcoming of increasingly poor tensioning effect of the conveyer belt, and providing a coal mine machine electric conveying tensioning device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a coal mine electromechanical conveying tensioning device comprises four pillars which are arranged in a rectangular shape, one side, close to each other, of each of two pillars on the same short side is rotatably connected with the same roller shaft, rollers are fixedly sleeved on the two roller shafts, one conveying belt is rotatably connected onto the two rollers, one side, close to each other, of each of the two pillars on the same long side is fixedly connected with the same first cross rod, the tops of the two first cross rods are fixedly connected with a plurality of roller supporting rods, one side of each roller supporting rod is rotatably connected with a carrier roller, the tops of the carrier rollers are contacted with the top wall of an inner ring of the conveying belt, two trapezoidal blocks are fixedly connected between the two first cross rods, the bottoms of the two trapezoidal blocks are respectively connected with rollers in a rolling manner, and the tops of the two rollers are contacted with the bottoms of the inner ring of the conveying belt, two one side fixedly connected with same second horizontal pole that the pillar is close to each other, the top of second horizontal pole is run through to rotate and is connected with the screw rod, one side of screw rod extends to the below and the fixedly connected with rotation motor of second horizontal pole, and rotates the top of motor and the bottom fixed connection of second horizontal pole, one side of rotating the motor is equipped with the solenoid valve, the top and the threaded bush that the other side of screw rod extended to the second horizontal pole are equipped with the nut piece, and the nut piece rotates with two gyro wheels simultaneously and is connected.

Preferably, the inner ring roof of conveyer belt is equipped with pressure sensors, and pressure sensors and solenoid valve are mutually induction fit, can control opening of battery valve through pressure sensors to start the rotation motor simultaneously.

Preferably, two the trapezoidal piece contacts and is the mirror image setting, and the bottom of two trapezoidal pieces is the slope form, and the bottom of two trapezoidal pieces is from the contact point down sloping gradually towards both sides, when two gyro wheels roll towards one side of keeping away from each other, can extrude the conveyer belt through the gradient of trapezoidal piece bottom to reach a taut effect.

Preferably, two equal fixedly connected with bull stick, two with one side of gyro wheel one side of bull stick all rotates and is connected with branch, two with one side of branch all rotates and is connected with the connecting rod, two one side of connecting rod rotates simultaneously with one side of nut piece to be connected, can drive two gyro wheels through two connecting rods when the nut piece reciprocates and remove towards opposite direction.

Preferably, the top of the second cross rod is fixedly connected with a fixing frame, the bottom of the fixing frame is rotatably connected with the top of the screw rod, and the screw rod can be supported by the fixing frame to a certain extent, so that the whole device can run more stably.

The utility model discloses in, a colliery electromechanical transport straining device, at first pressure sensors can pass through the solenoid valve when receiving the downward pressure value that surpasss the settlement and start the rotation motor, drive the screw rod simultaneously and rotate, at this moment the nut piece rebound drives the branch that corresponds simultaneously through two connecting rods and moves towards one side of keeping away from each other, at the same time also drives two gyro wheels through two bull sticks and rolls towards one side of keeping away from each other in the bottom that corresponds trapezoidal piece.

The slope form that the bottom through trapezoidal piece set up at the rolling in-process of gyro wheel, realizes extrudeing the latter half of conveyer belt, has reached a taut effect to the conveyer belt, rotates the motor stop work when the pressure value that pressure sensors received is normal setting value.

The utility model discloses a pressure sensors drive rotation motor rotates to drive two gyro wheels and roll towards one side of keeping away from each other, realize the extrusion to the conveyer belt with this, reached the taut effect to the conveyer belt.

Drawings

Fig. 1 is a schematic view of the overall structure of an electromechanical transmission tension device for a coal mine;

fig. 2 is a top view of a connection structure of a first cross bar and a trapezoidal block of the coal mine electromechanical transmission tensioning device provided by the utility model;

fig. 3 is the utility model provides a cross-sectional view is seen on left side to the overall structure of colliery electromechanical transmission straining device.

In the figure: the device comprises a support 1, a roller shaft 2, rollers 3, a conveying belt 4, a first cross rod 5, a roller rod 6, a carrier roller 7, a pressure sensor 8, a trapezoidal block 9, a roller 10, a rotating rod 11, a supporting rod 12, a second cross rod 13, a fixing frame 14, a screw 15, a rotating motor 16, an electromagnetic valve 17, a nut block 18 and a connecting rod 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, a coal mine machine electric conveying tensioning device comprises four pillars 1, the four pillars 1 are arranged in a rectangle, one side, close to each other, of each of two pillars 1 located on the same short side is rotatably connected with the same roller shaft 2, the rollers 3 are fixedly sleeved on the two roller shafts 2, the two rollers 3 are in transmission connection with the same conveying belt 4, one side, close to each other, of each of the two pillars 1 located on the same long side is fixedly connected with the same first cross bar 5, the tops of the two first cross bars 5 are fixedly connected with a plurality of roller supporting rods 6, one side of each of the plurality of roller supporting rods 6 is rotatably connected with a roller supporting 7, the tops of the plurality of roller supporting rods 7 are in contact with the top wall of the inner ring of the conveying belt 4, two trapezoidal blocks 9 are fixedly connected between the two first cross bars 5, the bottoms of the two trapezoidal blocks 9 are in rolling connection with rollers 10, and the tops of, two pillars 1 are close to same second horizontal pole 13 of one side fixedly connected with each other, the top of second horizontal pole 13 runs through to rotate and is connected with screw rod 15, one side of screw rod 15 extends to the below of second horizontal pole 13 and fixedly connected with rotates motor 16, and the top of rotating motor 16 and the bottom fixed connection of second horizontal pole 13, one side of rotating motor 16 is equipped with solenoid valve 17, the other side of screw rod 15 extends to the top of second horizontal pole 13 and threaded sleeve is equipped with nut piece 18, and nut piece 18 rotates with two gyro wheels 10 simultaneously and is connected.

Example two

The improvement is further based on the first embodiment:

the utility model discloses in, the inner circle roof of conveyer belt 4 is equipped with pressure sensors 8, and pressure sensors 8 and solenoid valve 17 mutually respond to the cooperation, can control opening of battery valve 17 through pressure sensors 8 to start simultaneously and rotate motor 16.

The utility model discloses in, two trapezoidal pieces 9 contact and are the mirror image setting, and the bottom of two trapezoidal pieces 9 is the slope form, and the bottom of two trapezoidal pieces 9 is from the contact point down sloping gradually toward both sides, when two gyro wheels 10 roll towards one side of keeping away from each other, can extrude conveyer belt 4 through the gradient of trapezoidal piece 9 bottom to reach a taut effect.

The utility model discloses in, two gyro wheels 10 all rotate with one side equal fixedly connected with bull stick 11, one side of two bull sticks 11 and be connected with branch 12, two branch 12 all rotate with one side and be connected with connecting rod 19, one side of two connecting rod 19 rotates with one side of nut piece 18 simultaneously and is connected, can drive two gyro wheels 10 through two connecting rods 19 when nut piece 18 reciprocates and remove towards opposite direction.

The utility model discloses in, the top fixedly connected with mount 14 of second horizontal pole 13, and the bottom of mount 14 is rotated with the top of screw rod 15 and is connected, can play certain supporting effect to screw rod 15 through mount 14, makes whole device move more stably.

In the utility model, firstly, the conveyer belt 4 can extrude the upper half part of the conveyer belt 4 downwards due to the weight of the coal mine in the process of conveying the coal mine, at the moment, the pressure sensor 8 can start the rotating motor 16 through the electromagnetic valve 17 when receiving a downward pressure value exceeding the set value, and simultaneously drive the screw rod 15 to rotate, at the moment, the nut block 18 moves upwards and simultaneously drives the corresponding support rod 12 to move towards one side away from each other through the two connecting rods 19, at the same time, the two rotating rods 11 also drive the two rollers 10 to roll towards one side away from each other at the bottom of the corresponding trapezoidal block 9, because the bottom of the trapezoidal block 9 is inclined, in the rolling process of the rollers 10, the lower half part of the conveyer belt 4 is extruded, the tensioning effect of the conveyer belt 4 is achieved, after the conveying work of the coal mine is finished, at the moment, the upper half part of the conveyer belt 4 can be tensioned upwards, when the pressure sensor 8 is pressed by upward pulling force, the electromagnetic valve 17 makes the rotating motor 16 rotate reversely, so that the two rollers 10 roll towards the side close to each other, the lower half part of the conveying belt 4 slowly relaxes, and the rotating motor 16 stops working when the pressure value applied to the pressure sensor 8 is a normal set value.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A coal mine machine electric conveying tensioning device comprises four pillars (1), the four pillars (1) are arranged in a rectangular shape, and the coal mine machine electric conveying tensioning device is characterized in that one side, close to each other, of each of two pillars (1) located on the same short side is rotatably connected with the same roller shaft (2), the two roller shafts (2) are fixedly sleeved with rollers (3), the two rollers (3) are in transmission connection with the same conveying belt (4), one side, close to each other, of each of the two pillars (1) located on the same long side is fixedly connected with the same first cross rod (5), the tops of the two first cross rods (5) are fixedly connected with a plurality of roller supporting rods (6), one side of each roller supporting rod (6) is rotatably connected with a carrier roller (7), the tops of the carrier rollers (7) are in contact with the inner ring top wall of the conveying belt (4), and two trapezoidal blocks (9) are fixedly connected between the two first cross rods (5), two equal roll connection in bottom of trapezoidal piece (9) has gyro wheel (10), and the top of two gyro wheels (10) all contacts bottom the inner circle of conveyer belt (4), two one side fixedly connected with same second horizontal pole (13) that pillar (1) is close to each other, the top of second horizontal pole (13) is run through to rotate and is connected with screw rod (15), one side of screw rod (15) extends to the below and the fixedly connected with rotation motor (16) of second horizontal pole (13), and rotates the top of motor (16) and the bottom fixed connection of second horizontal pole (13), one side of rotation motor (16) is equipped with solenoid valve (17), another side of screw rod (15) extends to the top and the screw thread cover of second horizontal pole (13) and is equipped with nut piece (18), and nut piece (18) rotate simultaneously with two gyro wheels (10) and be connected.

2. The coal mine electromechanical conveying tension device as claimed in claim 1, wherein the inner ring top wall of the conveying belt (4) is provided with a pressure sensor (8), and the pressure sensor (8) is in induction fit with the electromagnetic valve (17).

3. The electromechanical conveying tensioning device for the coal mine according to claim 1, characterized in that the two trapezoidal blocks (9) are in contact and are arranged in a mirror image manner, the bottoms of the two trapezoidal blocks (9) are inclined, and the bottoms of the two trapezoidal blocks (9) are gradually inclined downwards from the contact point to two sides.

4. The coal mine electromechanical conveying tensioning device according to claim 1, characterized in that a rotating rod (11) is fixedly connected to the same side of each of the two rollers (10), a supporting rod (12) is rotatably connected to one side of each of the two rotating rods (11), a connecting rod (19) is rotatably connected to the same side of each of the two supporting rods (12), and one side of each of the two connecting rods (19) is rotatably connected to one side of the nut block (18).

5. The coal mine electromechanical conveying tension device as claimed in claim 1, wherein a fixed frame (14) is fixedly connected to the top of the second cross rod (13), and the bottom of the fixed frame (14) is rotatably connected with the top of the screw rod (15).