CN212803299U

CN212803299U - Colliery support prevents gliding protection device

Info

Publication number: CN212803299U
Application number: CN202020987886.4U
Authority: CN
Inventors: 邱学岛; 钱纬
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-03-26
Anticipated expiration: 2030-06-03

Abstract

The utility model is suitable for an equipment technical field provides a colliery support prevents protection device that glides, include: the support structure, the bottom plate is installed to the support structure bottom, the inside spout that has opened of bottom plate, the auxiliary block is installed to the bottom plate front end, the articulated gyro wheel that has of auxiliary block front end, be provided with the drive belt on the gyro wheel, the drive belt other end is provided with first trapezoidal gear, first trapezoidal gear meshing has antiskid, and the device carries out antiskid through judging the support displacement in support bottom plate inside additional antiskid automatically, need not artifical fixed, as long as the support takes place to glide, antiskid will self-holding antiskid, and the effect is showing, and convenient to use.

Description

Colliery support prevents gliding protection device

Technical Field

The utility model belongs to the technical field of equipment, especially, relate to a colliery support prevents gliding protection device.

Background

On the working face of underground transportation operation, after the chamber support is assembled, the whole support is pulled on the slide by using a winch, and the whole support passes through a plurality of tunnels with different gradients in the pulling process until the support reaches the hole cutting position of the working face to be in place. The maximum gradient of each section of roadway passing through in the whole traction process is not lower than 16 degrees, wherein the maximum gradient of the cutting hole reaches 20 degrees, and the total traction length is nearly 600 meters. When the winch exists in the forward traction or reverse traction of the support, the friction force between the support base and the slide way is small, the support is prone to sliding down accidentally during traction, and the potential safety hazard is large.

Most of the existing anti-skid devices are complex and heavy in structure, great inconvenience is brought to the support practicality easily, the support structure is difficult to be completely integrated, and the anti-skid devices cannot be fixed or unlocked according to actual conditions after being installed and are difficult to operate.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a can fix skid-proof colliery support automatically and prevent protection device that glides, aim at solving the complicated heaviness of the big structure of current antiskid, bring very big inconvenience for the support practicality easily, hardly integrate into the supporting structure in the middle of, and can't fix or the unblock according to actual conditions after the installation, the problem that is difficult to operate.

The embodiment of the utility model provides a realize like this, a colliery support prevents gliding protection device, include: the support structure, the bottom plate is installed to the support structure bottom, the inside spout that opens of bottom plate, the auxiliary block is installed to the bottom plate front end, the articulated gyro wheel that has of auxiliary block front end, be provided with the drive belt on the gyro wheel, the drive belt other end is provided with first trapezoidal gear, first trapezoidal gear meshing has antiskid.

Preferably, the anti-skid device comprises a second trapezoidal gear, the second trapezoidal gear is meshed with the first trapezoidal gear, a threaded rod is mounted at the front end of the second trapezoidal gear, an auxiliary rod is sleeved outside the threaded rod, a threaded groove is formed in the auxiliary rod, and the threaded rod is matched with the threaded groove; the other end of the auxiliary rod is fixedly provided with a push rod, the other end of the push rod is provided with a trapezoidal push block, auxiliary push rods are arranged on two sides of the trapezoidal push block, the other end of each auxiliary push rod is hinged with a first connecting rod, the middle part of each first connecting rod is hinged with the side wall of the bottom plate, the other end of each first connecting rod is hinged with a second connecting rod, and the other end of each second connecting rod is provided with a clamping block; a limiting block is installed on one side of the bottom plate, and the second connecting rod penetrates through the limiting block.

Preferably, one surface of the clamping block, which is far away from the second connecting rod, is provided with a non-slip mat.

Preferably, one surface of the auxiliary push rod, which is close to the trapezoidal push block, is an inclined surface, and the inclined surface of the auxiliary push rod is parallel to the inclined surface of the trapezoidal push block.

Preferably, the auxiliary block is located above the sliding chute, and the lowest position of the roller is lower than the horizontal plane where the top end of the sliding chute is located.

The embodiment of the utility model provides a pair of can automatic fixed skid-proof colliery support prevent gliding protection device has following beneficial effect:

the device carries out antiskid through judging whether the support shifts through the automation in the inside additional antiskid of support bottom plate, need not artifical fixed, as long as the support takes place to glide, antiskid will self-holding antiskid, and the effect is showing, and convenient to use.

Drawings

Fig. 1 is a schematic structural view of a coal mine support downward-sliding prevention protection device provided by an embodiment of the present invention;

fig. 2 is a perspective view of a bottom plate of the coal mine support anti-sliding protection device provided by the embodiment of the utility model;

fig. 3 is a structural division view of an antiskid device of a coal mine support anti-sliding protection device provided by an embodiment of the utility model 1;

fig. 4 is a structural division view of an antiskid device of the coal mine support anti-sliding protection device provided by the embodiment of the utility model 2;

fig. 5 is a structural division view of an antiskid device of the coal mine support anti-sliding protection device provided by the embodiment of the utility model, and fig. 3 is a drawing;

fig. 6 is a schematic structural view of an antiskid device of the coal mine support anti-sliding protection device provided by the embodiment of the utility model.

In the drawings: 1. a scaffold structure; 2. a base plate; 3. a chute; 4. an auxiliary block; 5. a roller; 6. a transmission belt; 7. a first trapezoidal gear; 8. an anti-skid device; 81. a second trapezoidal gear; 82. a threaded rod; 83. an auxiliary lever; 84. a thread groove; 85. a push rod; 86. a trapezoidal push block; 87. an auxiliary push rod; 88. a first link; 89. a second link; 810. a clamping block; 811. and a limiting block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

As shown in fig. 1, for an embodiment of the present invention provides a structure diagram of a coal mine support anti-sliding protection device, including: support structure 1, bottom plate 2 is installed to support structure 1 bottom, 2 inside openings of bottom plate have spout 3, supplementary piece 4 is installed to 2 front ends of bottom plate, 4 front ends of supplementary piece are articulated to have gyro wheel 5, be provided with drive belt 6 on the gyro wheel 5, the 6 other ends of drive belt are provided with first trapezoidal gear 7, the meshing of first trapezoidal gear 7 has antiskid 8.

During the use, place the place of needs installation with supporting structure 1's bottom plate 2, arrange the steel pipe of installation department in spout 3, when supporting structure 1 takes place the gliding, spout 3 can take place to slide on the steel pipe, and gyro wheel 5 also can take place to roll this moment, drives first trapezoidal gear 7 through drive belt 6, and the rotation of first trapezoidal gear 7 can drive antiskid 8, presss from both sides tight antiskid to the steel pipe through antiskid 8, reaches the effect of protection.

As shown in fig. 2 to 6, for the structure diagram of the anti-slip device of the coal mine support anti-slip protection device provided by the embodiment of the present invention, the anti-slip device 8 includes a second trapezoidal gear 81, the second trapezoidal gear 81 is engaged with the first trapezoidal gear 7, a threaded rod 82 is installed at the front end of the second trapezoidal gear 81, an auxiliary rod 83 is sleeved outside the threaded rod 82, a threaded groove 84 is formed inside the auxiliary rod 83, and the threaded rod 82 is matched with the threaded groove 84; a push rod 85 is fixedly mounted at the other end of the auxiliary rod 83, a trapezoidal push block 86 is mounted at the other end of the push rod 85, auxiliary push rods 87 are arranged on two sides of the trapezoidal push block 86, a first connecting rod 88 is hinged to the other end of the auxiliary push rod 87, the middle part of the first connecting rod 88 is hinged to the side wall of the bottom plate 2, a second connecting rod 89 is hinged to the other end of the first connecting rod 88, and a clamping block 810 is mounted at the other end of the second connecting rod 89; a limiting block 811 is installed on one side of the bottom plate 2, and the second connecting rod 89 penetrates through the limiting block 811.

During the use, first trapezoidal gear 7 drives second trapezoidal gear 81 rotatory, and then it is rotatory to drive threaded rod 82, because threaded rod 82 cooperatees with thread groove 84, then the rotation of threaded rod 82 can promote auxiliary rod 83 and move forward, and then promote trapezoidal ejector pad 86 and move forward, trapezoidal ejector pad 86 can extrude the auxiliary push rod 87 of both sides, promote auxiliary push rod 87 to both sides, auxiliary push rod 87 can drive first connecting rod 88, make first connecting rod 88 rotatory, the first connecting rod 88 other end then can the internal rotation this moment, promote second connecting rod 89 internal motion, and then promote clamp splice 810 and be close to each other, press from both sides tight antiskid to the steel pipe through clamp splice 810.

In this embodiment, a non-slip pad is disposed on a surface of the clamping block 810 away from the second connecting rod 89, so as to enhance the non-slip performance of the clamping block 810, and when the clamping block 810 clamps the steel pipe, the support mechanism 1 can be completely fixed.

In this embodiment, one surface of the auxiliary push rod 87 close to the trapezoidal push block 86 is an inclined surface, and the inclined surface of the auxiliary push rod 87 is parallel to the inclined surface of the trapezoidal push block 86, so that the auxiliary push rod 87 is more easily pushed by the trapezoidal push block 86, the anti-skid effect is better, and the sensitivity is increased.

In this embodiment, the auxiliary block 4 is located above the sliding chute 3, and the lowest position of the roller 5 is lower than the horizontal plane where the top end of the sliding chute 3 is located, so as to prevent the roller 5 from contacting the steel pipe, which results in the device being unusable.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A colliery support prevents gliding protection device includes: support structure (1), its characterized in that, bottom plate (2) are installed to support structure (1) bottom, bottom plate (2) inside division has spout (3), supplementary piece (4) are installed to bottom plate (2) front end, supplementary piece (4) front end is articulated to have gyro wheel (5), be provided with drive belt (6) on gyro wheel (5), the drive belt (6) other end is provided with first trapezoidal gear (7), first trapezoidal gear (7) meshing has antiskid (8).

2. The coal mine support downward sliding prevention protection device according to claim 1, wherein the anti-sliding device (8) comprises a second trapezoidal gear (81), the second trapezoidal gear (81) is meshed with the first trapezoidal gear (7), a threaded rod (82) is installed at the front end of the second trapezoidal gear (81), an auxiliary rod (83) is sleeved outside the threaded rod (82), a threaded groove (84) is formed inside the auxiliary rod (83), and the threaded rod (82) is matched with the threaded groove (84); a push rod (85) is fixedly mounted at the other end of the auxiliary rod (83), a trapezoidal push block (86) is mounted at the other end of the push rod (85), auxiliary push rods (87) are arranged on two sides of the trapezoidal push block (86), a first connecting rod (88) is hinged to the other end of the auxiliary push rod (87), the middle part of the first connecting rod (88) is hinged to the side wall of the bottom plate (2), a second connecting rod (89) is hinged to the other end of the first connecting rod (88), and a clamping block (810) is mounted at the other end of the second connecting rod (89); a limiting block (811) is installed on one side of the bottom plate (2), and the second connecting rod (89) penetrates through the limiting block (811).

3. The coal mine support downward sliding prevention protection device as recited in claim 2, characterized in that a non-slip pad is arranged on one side of the clamping block (810) far away from the second connecting rod (89).

4. The coal mine support downward sliding prevention protection device according to claim 2, wherein one surface of the auxiliary push rod (87) close to the trapezoid push block (86) is an inclined surface, and the inclined surface of the auxiliary push rod (87) is parallel to the inclined surface of the trapezoid push block (86).

5. The coal mine support downward-sliding prevention protection device according to claim 1, wherein the auxiliary block (4) is positioned above the sliding chute (3), and the lowest part of the roller (5) is lower than the horizontal plane of the top end of the sliding chute (3).