CN210736131U

CN210736131U - Movable lifting maintenance platform for underground coal mine

Info

Publication number: CN210736131U
Application number: CN201921372422.6U
Authority: CN
Inventors: 侯军
Original assignee: Individual
Current assignee: Inner Mongolia Beilian Power Energy Development Co ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-06-12
Anticipated expiration: 2029-08-22

Abstract

The utility model belongs to the field of coal mine machinery, in particular to a movable lifting maintenance platform for an underground coal mine, which aims at the problem that the existing underground coal mine is generally in a slope shape and is troublesome when maintenance is carried out once ventilation equipment and lighting equipment are damaged, which comprises an underground coal carrier in an underground coal mine, wherein a base is clamped in the underground coal carrier, the top of the base is rotatably connected with a supporting seat, the supporting rod is connected with the supporting seat by screw thread, the utility model respectively starts the driving motor and the rotating motor, the supporting seat can be respectively rotated to the horizontal position and the lifting plate is lifted upwards, so that the electric equipment such as ventilation equipment, lighting equipment and the like in the underground coal mine can be conveniently overhauled, and the adverse effect of the slope of the underground coal mine on maintenance can be eliminated, and the risk factors of the maintenance personnel during maintenance operation are greatly reduced.

Description

Movable lifting maintenance platform for underground coal mine

Technical Field

The utility model relates to a coal mine machinery technical field especially relates to a mobile lift maintenance platform is used in underworkings colliery.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. The vast majority of coal mines in China belong to underground coal mines.

In the production process of a mineworker coal mine, a large number of ventilation devices and lighting devices can be installed in the coal mine, the mineworker coal mine is generally in a slope shape, once the ventilation devices and the lighting devices are damaged, when the mineworker coal mine is maintained, climbing tools such as ladders are often needed, however, the ground in the mineworker coal mine is inclined, and therefore when the climbing tools such as ladders are supported and fixed, the mineworker coal mine is more troublesome and has certain dangerous factors, and therefore the mobile lifting maintenance platform for the mineworker coal mine is provided and used for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art that the mineworker colliery generally is slope form, in case ventilation equipment and lighting apparatus appear damaging, when maintaining, will more troublesome shortcoming, and the portable lift maintenance platform for the mineworker colliery that provides.

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

a movable lifting maintenance platform for an underground coal mine comprises an underground coal mine, wherein a base is clamped in the underground coal mine, the top of the base is rotatably connected with a supporting seat, a supporting rod is connected to the supporting seat in a threaded manner, the bottom of the supporting rod is rotatably connected with a limiting gear, a fixed rack is embedded in one side of the top of the base, the limiting gear is meshed with the fixed rack, an oil tank is fixedly mounted at the top of the supporting seat, a lifting cover is fixedly mounted on one side of the top of the oil tank, an oil through hole communicated with the lifting cover is formed in the inner wall of one side of the top of the oil tank, hydraulic oil is placed in the oil tank, a connecting plate is connected to the inner wall of the lifting cover in a sealing and sliding manner, a lifting rod is fixedly mounted at the top of the connecting plate, the top end of the lifting rod extends to the upper part, and a guardrail is fixedly arranged at the top of the lifting plate.

Preferably, the supporting seat is provided with a connecting hole, the connecting hole is internally and rotatably connected with a screw rod, the supporting rod penetrates through the connecting hole and is in sliding connection with the inner wall of the connecting hole, the supporting rod is sleeved on the screw rod and is in threaded connection with the screw rod, and the supporting rod can be conveniently driven to move transversely through the screw rod, so that the included angle between the base and the supporting seat can be changed.

Preferably, a driving motor is fixedly mounted on one side of the top of the supporting seat, transmission gears are fixedly mounted on an output shaft of the driving motor and the screw rod, the two transmission gears are meshed with each other, the driving motor is used for driving the screw rod to rotate, and operation is facilitated.

Preferably, the support rod is provided with a moving hole, the moving hole is connected with a brake rod in a sliding manner, the bottom end of the brake rod is fixedly provided with an arc-shaped rack, the arc-shaped rack is movably meshed with the limit gear, and the support rod can be braked by utilizing the meshing effect of the arc-shaped rack and the limit gear.

Preferably, be fixed on one side inner wall of oil tank and press the sealed tube, and sealed threaded connection has the stopple in the sealed tube, one side of stopple extends to the outside of oil tank, sealed sliding connection has the push pedal on the inner wall of oil tank, and hydraulic oil is located one side of oil through hole, one side fixed mounting of oil tank has the rotation motor, the output shaft of rotation motor extend to in the oil tank and with push pedal threaded connection, utilize the sealed threaded connection of stopple and sealed tube can prevent the problem of oil leak, utilize the screw thread principle simultaneously, can conveniently drive the push pedal and remove to this realization promotes hydraulic oil and moves.

Preferably, fixed mounting has the lead screw on the output shaft of rotation motor, it is equipped with the nut to inlay on the push pedal, and one side fixed mounting of push pedal has the installation cover, the one end of lead screw runs through the nut and extends to in the installation cover, and lead screw and nut threaded connection utilize the rotation motor as source power, can simplify the operating procedure, reduce the operation degree of difficulty simultaneously.

The utility model has the advantages that:

1. the device is conveyed to a position needing to be overhauled by using an underground coal car, the underground coal car is fixed by using a brake system of the underground coal car, then a driving motor is started to drive a screw rod to rotate through two transmission gears, and at the moment, a supporting rod can be driven to move under the action of the screw rod, so that a supporting seat can be driven to rotate until the supporting seat is rotated to the horizontal position;

2. the screw rod is driven to rotate by the rotating motor, the push plate can be driven to move under the action of the nut, so that hydraulic oil in the oil tank is extruded and conveyed into the lifting cover through the oil through hole, the connecting plate moves upwards, the connecting plate drives the lifting rod to move upwards, the lifting plate can be driven to move upwards, and the electrical equipment can be conveniently overhauled;

the utility model discloses a start driving motor respectively and rotate the motor, can realize respectively rotating the supporting seat to horizontal position and upwards carrying out the lifting with the lifter plate to this can replace climbing tools such as ladders to raise the maintainer, convenient electric equipment such as ventilation equipment and lighting apparatus in the mineworker colliery overhauls, and can eliminate the mineworker colliery from having the adverse effect that the slope caused to the maintenance, greatly reduced the dangerous factor that the maintainer exists when overhauing the operation.

Drawings

Fig. 1 is a front view of a structure of a mobile lifting maintenance platform for an underground coal mine, which is provided by the utility model;

fig. 2 is a front view of a base and a supporting seat structure of the mobile lifting maintenance platform for the underground coal mine;

fig. 3 is a front view of a connecting structure of an oil tank and a lifting cover of the mobile lifting maintenance platform for the underground coal mine;

fig. 4 is the utility model provides a push pedal, nut and installation cover connection structure elevation that the mobile lift maintenance platform was used in fine coal mine.

In the figure: the device comprises an underground coal car 1, a base 2, a support 3, a screw rod 4, a support rod 5, a limit gear 6, a fixed rack 7, a brake rod 8, a driving motor 9, a transmission gear 10, an oil tank 11, a lifting cover 12, a lifting plate 13, a guardrail 14, a rotating motor 15, a pushing plate 16, a screw rod 17, an installation cover 18, a sealing pipe 19, a hole plug 20, a lifting rod 21 and a nut 22.

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.

Referring to fig. 1-4, a mobile lifting maintenance platform for a mineworker coal mine comprises a downhole coal truck 1 in the mineworker coal mine, a base 2 is clamped in the downhole coal truck 1, the top of the base 2 is rotatably connected with a supporting seat 3, a supporting rod 5 is connected on the supporting seat 3 in a threaded manner, a limiting gear 6 is rotatably connected at the bottom of the supporting rod 5, a fixed rack 7 is embedded at one side of the top of the base 2, the limiting gear 6 is meshed with the fixed rack 7, an oil tank 11 is fixedly installed at the top of the supporting seat 3, a lifting cover 12 is fixedly installed at one side of the top of the oil tank 11, an oil through hole communicated with the lifting cover 12 is formed in the inner wall of one side of the top of the oil tank 11, hydraulic oil is placed in the oil tank 11, a connecting plate is connected on the inner wall of the lifting cover 12 in a sealing and sliding manner, a lifting rod 21 is fixedly installed at the top, the guardrail 14 is fixedly installed on the top of the lifting plate 13, the device is transported to the position needing to be overhauled by the underground coal car 1, the underground coal car 1 is fixed by a brake system of the underground coal car 1, then the screw rod 4 can be driven to rotate by starting the driving motor 9 through the two transmission gears 10, at the moment, the supporting rod 5 can be driven to move under the action of the screw rod 4, the supporting seat 3 can be driven to rotate until the supporting seat 3 is rotated to the horizontal position, the screw rod 17 can be driven to rotate by the rotating motor 15, at the moment, the push plate 16 can be driven to move under the action of the nut 22, so that the hydraulic oil in the oil tank 11 can be extruded to be conveyed into the lifting cover 12 through the oil through hole, the connecting plate moves upwards, at the moment, the connecting plate can drive the lifting rod 21 to move upwards, can drive lifter plate 13 and upwards remove to this is convenient overhauls electrical equipment, the utility model discloses a start driving motor 9 respectively and rotate motor 15, can realize respectively rotating supporting seat 3 to horizontal position and upwards carrying out the lifting with lifter plate 13, can replace climbing tools such as ladders to raise the maintainer with this, conveniently overhaul electrical equipment such as ventilation equipment and lighting apparatus in the mineworker colliery, and can eliminate the mineworker colliery and have the adverse effect that the slope caused to the maintenance, greatly reduced the dangerous factor that the maintainer exists when carrying out the maintenance operation.

The utility model discloses in, seted up the connecting hole on the supporting seat 3, and the connecting hole internal rotation is connected with screw rod 4, bracing piece 5 run through the connecting hole and with the inner wall sliding connection of connecting hole, 5 covers of bracing piece establish on screw rod 4 and with 4 threaded connection of screw rod, can conveniently drive bracing piece 5 through screw rod 4 and carry out lateral shifting to this contained angle that can change and present between base 1 and the supporting seat 3.

The utility model discloses in, top one side fixed mounting of supporting seat 3 has driving motor 9, and equal fixed mounting has drive gear 10 on driving motor 9's output shaft and the screw rod 4, and two drive gear 10 mesh mutually utilize driving motor 9 to drive screw rod 4 and rotate, have made things convenient for the operation.

The utility model discloses in, seted up on the bracing piece 5 and removed the hole, and removed downthehole sliding connection and have brake lever 8, the bottom fixed mounting of brake lever 8 has the camber rack, and camber rack and 6 swing joint of limit gear, utilizes the effect of camber rack and 6 meshing of limit gear, can realize brakeing bracing piece 5.

The utility model discloses in, be fixed according to there being sealed tube 19 on one side inner wall of oil tank 11, and sealed threaded connection has stopple 20 in the sealed tube 19, one side of stopple 20 extends to the outside of oil tank 11, sealed sliding connection has push pedal 16 on the inner wall of oil tank 11, and hydraulic oil is located one side of oil through hole, one side fixed mounting of oil tank 11 has rotation motor 15, the output shaft that rotates motor 15 extends to in the oil tank 11 and with push pedal 16 threaded connection, utilize stopple 20 and sealed threaded connection of sealed tube 19 can prevent the problem of oil leak, utilize the screw thread principle simultaneously, can conveniently drive push pedal 16 and remove, with this realization promotion hydraulic oil moves.

The utility model discloses in, fixed mounting has lead screw 17 on the output shaft of rotation motor 15, inlays on the push pedal 16 and is equipped with nut 22, and one side fixed mounting of push pedal 16 has installation cover 18, and the one end of lead screw 17 runs through nut 22 and extends to in the installation cover 18, and lead screw 17 and nut 22 threaded connection utilize rotation motor 15 as source power, can simplify the operating procedure, reduce the operation degree of difficulty simultaneously.

The working principle is as follows: aiming at the defect of the slope ground of the underground coal mine, the existing maintenance platform is improved, and the specific operation steps are as follows: firstly, the device is conveyed to a position needing to be overhauled by the underground coal car 1, the underground coal car 1 is fixed by a brake system of the underground coal car 1, so that an overhauling platform can be conveniently fixed, the brake system on the underground coal car 1 belongs to a component in an underground coal mine transportation system, the reliability is very strong, then a driving motor 9 is started to drive two transmission gears 10 to rotate, and a screw rod 4 can be driven to rotate through the two transmission gears 10, at the moment, the supporting rod 5 can be driven to move under the action of the screw rod 4, the supporting seat 3 can be driven to rotate until the supporting seat 3 rotates to the horizontal position, the screw rod 4 and the supporting rod 5 are connected by common threads, so that the self-locking performance exists, namely, when the screw rod 4 does not rotate any more, the supporting rod 5 can be limited, therefore, when the supporting seat 3 rotates to the horizontal position, the driving motor 9 can be turned off, then the brake rod 8 is pushed downwards to drive the arc-shaped rack to move downwards, so that the arc-shaped rack is meshed with the limit gear 6, at the moment, the limit gear 6 can be limited under the matching with the fixed rack 7, the phenomenon that the bottom end of the supporting rod 5 slips is prevented, then, an overhaul worker stands on the lifting plate 13, the rotating motor 15 is started to drive the lead screw 17 to rotate, at the moment, the push plate 16 can be driven to move under the action of the nut 22, so that the hydraulic oil in the oil tank 11 can be extruded to be conveyed into the lifting cover 12 through the oil through hole, the connecting plate is extruded, the connecting plate is enabled to move upwards, at the moment, the connecting plate can drive the lifting rod 21 to move upwards, and the lifting plate 13 can be driven to move upwards, overhaul electrical equipment with this convenience and to raise maintainer with climbing tools such as this can replace ladders, the convenience is overhauld ventilation equipment and electrical equipment such as lighting apparatus in the mineworker colliery, and can eliminate the mineworker colliery and have the adverse effect that the slope caused to overhaul, greatly reduced the dangerous factor that maintainer exists when overhauing the operation.

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. The utility model provides a portable lift maintenance platform for underground coal mine, includes underground coal car (1) inside the underground coal mine, its characterized in that, base (2) is equipped with to the inside card of underground coal car (1), the top of base (2) is rotated and is connected with supporting seat (3), threaded connection has bracing piece (5) on supporting seat (3), the bottom of bracing piece (5) is rotated and is connected with limit gear (6), the top one side of base (2) is inlayed and is equipped with fixed rack (7), limit gear (6) and fixed rack (7) mesh mutually, the top fixed mounting of supporting seat (3) has oil tank (11), top one side fixed mounting of oil tank (11) has lift cover (12), and sets up the logical oilhole that is linked together with lift cover (12) on the top one side inner wall of oil tank (11), hydraulic oil has been placed in oil tank (11), sealed sliding connection has the connecting plate on the inner wall of lift cover (12), and the top fixed mounting of connecting plate has lifter (21), the top of lifter (21) extends to the top of lift cover (12) and fixed mounting has lifter (13), the top fixed mounting of lifter (13) has guardrail (14).

2. The mobile lifting maintenance platform for the underground coal mine according to claim 1, wherein the supporting seat (3) is provided with a connecting hole, a screw rod (4) is rotatably connected in the connecting hole, the supporting rod (5) penetrates through the connecting hole and is slidably connected with the inner wall of the connecting hole, and the supporting rod (5) is sleeved on the screw rod (4) and is in threaded connection with the screw rod (4).

3. The mobile lifting maintenance platform for the well-working coal mine according to claim 1, characterized in that a driving motor (9) is fixedly installed on one side of the top of the supporting seat (3), a transmission gear (10) is fixedly installed on both an output shaft of the driving motor (9) and the screw (4), and the two transmission gears (10) are meshed with each other.

4. The mobile lifting maintenance platform for the well-working coal mine according to claim 1, characterized in that a moving hole is formed in the support rod (5), a brake rod (8) is slidably connected in the moving hole, an arc-shaped rack is fixedly installed at the bottom end of the brake rod (8), and the arc-shaped rack is movably engaged with the limit gear (6).

5. The mobile lifting maintenance platform for the underground coal mine according to claim 1, wherein a sealing pipe (19) is fixed on the inner wall of one side of the oil tank (11), a hole plug (20) is connected in the sealing pipe (19) in a sealing and threaded manner, one side of the hole plug (20) extends to the outer side of the oil tank (11), a push plate (16) is connected on the inner wall of the oil tank (11) in a sealing and sliding manner, hydraulic oil is located on one side of an oil through hole, a rotating motor (15) is fixedly installed on one side of the oil tank (11), and an output shaft of the rotating motor (15) extends into the oil tank (11) and is in threaded connection with the push plate (16).

6. The mobile lifting maintenance platform for the well-working coal mine according to claim 5, characterized in that a screw rod (17) is fixedly installed on an output shaft of the rotating motor (15), a nut (22) is embedded on the push plate (16), an installation cover (18) is fixedly installed on one side of the push plate (16), one end of the screw rod (17) penetrates through the nut (22) and extends into the installation cover (18), and the screw rod (17) is in threaded connection with the nut (22).