CN214118227U

CN214118227U - Mine safety supporting device

Info

Publication number: CN214118227U
Application number: CN202022950238.4U
Authority: CN
Inventors: 高星
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-09-03
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a mine safety supporting device in the technical field of supporting, which comprises a base plate, wherein the inner part of the base plate is in threaded connection with a set screw, the upper end of the base plate is fixedly connected with a first sleeve, the inner part of the first sleeve is in sliding connection with a rack, the rack is meshed with a gear, the inner part of the gear is fixedly connected with a second rotating column, the circumferential surface of the second rotating column is fixedly connected with a worm wheel, the worm wheel is meshed with a worm, the lower end of the worm is fixedly connected with the first rotating column, and the circumferential surface of the first; the rear end of the first sleeve is fixedly connected with a second hinge block, the interior of the second hinge block is rotatably connected with a second hinge block, and the interior of the second hinge block is rotatably connected with a second threaded sleeve; the first sleeve is connected with a second sleeve in a sliding mode, a fixed plate is fixedly connected inside the second sleeve, the lower end of the fixed plate is fixedly connected with a spring, the lower end of the spring is fixedly connected with a fixed column, and the lower end of the fixed column is fixedly connected with a rack; two upper ends fixedly connected with backup pads of sleeve, the utility model discloses simple structure, work efficiency is high.

Description

Mine safety supporting device

Technical Field

The utility model relates to a strut technical field, specifically a mine safety supporting device.

Background

In the mining process of a coal mine, the excavation of the mine is an important link, a safety supporting device is arranged in the mine to avoid collapse of the mine, the working safety of workers is guaranteed, and the supporting device is widely applied. A safety support device for mine is one kind and supports protector to the mine inside support after the excavation is accomplished to this reaches the effect of supporting the mine, makes things convenient for people to work inside the tunnel, and the type and the quantity of support device on the traditional market are numerous.

However, in the installation process, the radian of the whole device cannot be well changed according to the change of the radian in the mine; but also can cause the phenomenon of incomplete partial support when the traditional support device is used because of the different heights in the mine; in addition, in the process of using, it is inconvenient to remove whole strutting arrangement, leads to whole installation work, need consume a large amount of physical power of staff.

Therefore, the utility model provides a mine safety supporting device to solve the problem of proposing among the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mine safety supporting device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a mine safety supporting device comprises a base plate, wherein a set screw is connected to the inner portion of the base plate in a threaded mode, a first sleeve is fixedly connected to the upper end of the base plate, a rack is connected to the inner portion of the first sleeve in a sliding mode and meshed with a gear, a second rotating column is fixedly connected to the inner portion of the gear, a worm wheel is fixedly connected to the circumferential surface of the second rotating column, a worm is meshed with the worm, the lower end of the worm is fixedly connected with the first rotating column, and a handle is fixedly connected to the circumferential surface of the first rotating column; the front end of the sleeve is fixedly connected with a first hinge block, the interior of the first hinge block is rotatably connected with a first threaded sleeve, and the interior of the first threaded sleeve is connected with a threaded column through threads; the rear end of the first sleeve is fixedly connected with a second hinge block, the interior of the second hinge block is rotatably connected with a second hinge block, and the interior of the second hinge block is rotatably connected with a second threaded sleeve; a second sleeve is slidably connected inside the first sleeve, a fixed plate is fixedly connected inside the second sleeve, a spring is fixedly connected to the lower end of the fixed plate, a fixed column is fixedly connected to the lower end of the spring, and a rack is fixedly connected to the lower end of the fixed column; and the upper end of the second sleeve is fixedly connected with a supporting plate.

As a further aspect of the present invention: a plurality of universal wheels of bed plate lower extreme fixedly connected with are evenly distributed at the bed plate lower extreme at the universal wheel, and the during operation can realize that the user is removing the device inside the mine through the use of a plurality of universal wheels of the bed plate lower extreme of device, perhaps saves a lot of strength with the in-process that the device shifted out the mine to the labour has been reduced, has improved work efficiency.

As a further aspect of the present invention: the notch has been seted up to the sleeve side, and notch position and gear position are corresponding, and the during operation is through rotating the handle for rotate the post and take place to rotate, thereby drive the rotation of worm, and under the effect of fixed case, make the worm wheel of being connected with the worm meshing take place to rotate, thereby make to rotate post two and gear and take place to rotate, because the notch has been seted up to the sleeve side, and notch position and gear position are corresponding, have accomplished the rotation of gear and have driven the removal of rack.

As a further aspect of the present invention: the fixed case of sleeve one side end fixedly connected with, fixed incasement portion rotates and is connected with and rotates post one and rotate post two, and the during operation is through the setting of fixed case for rotate post one and rotate post two at the pivoted in-process, owing to fixed play the limiting action to the motion of rotating post one and rotating post two, make and rotate post one and rotate the purpose that post two only takes place to rotate and do not take place to remove at the in-process of work.

As a further aspect of the present invention: the internal thread rotating directions of the first threaded sleeve and the second threaded sleeve are opposite, and during work, through the use of the first threaded sleeve, the second threaded sleeve and the threaded column, two adjacent supporting devices can be connected well, the distance between the two adjacent supporting devices is guaranteed to be equal, the effect of uniform stress is achieved, and the problem that a single supporting device is damaged due to too large pressure of a mine cannot occur.

As a further aspect of the present invention: the shape of sleeve two is the N style of calligraphy, the shape of backup pad is circular-arcly, and the backup pad closely laminates in the sleeve upper end, and the fixed plate upper end of sleeve two insides is full of the concrete solid, and the during operation, the use that is N style of calligraphy and circular-arc backup pad through the shape of sleeve two is for the in-process of undertaking around mine pressure, the even distribution of all pressures has guaranteed the atress evenly on N type sleeve two and circular-arc backup pad, supporting device stability can be guaranteed, in addition two inside concretes that solidify that are equipped with of sleeve, be the tightness in order to increase the device.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

1. make the rotation post take place to rotate through rotating, thereby the rotation of worm is being driven, and under the effect of fixed case, make the worm wheel of being connected with the worm meshing take place to rotate, thereby make rotation post two and gear take place to rotate, in addition under the effect of notch, make rack rebound, the removal of rack is driving the shifting up of fixed column, and then cause the extrusion to the spring, and under the mating reaction of fixed plate, make sleeve two drive the backup pad and support the mine, the in-process of having solved traditional device and supporting the mine, can't adjust the support to the mine height, the effect of supporting more stable to the mine has been reached.

2. Through the setting of a plurality of universal wheels in device lower part for it is more convenient that the device removes the device in getting into the mine and seeing after with the mine with the device before using, has solved the inconvenient problem of traditional device removal, has reached labour saving and time saving, but also can avoid the device to shift out the mine slowly, leads to the mine to collapse and causes the casualties, has improved the security of using.

3. Through being provided with articulated piece one at sleeve one front end, it has threaded sleeve one to articulate inside the rotation of piece one, and threaded sleeve one inside threaded connection has the screw thread post, and the articulated piece two of sleeve one rear end and the use of threaded sleeve two, make two adjacent supporting device, can adjust according to the inside crooked radian of mine, then support the mine, can also make two adjacent supporting device distance the same, solved the problem that traditional supporting device can not turn and support, the practicality of device has been improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional view of the front view of the present invention;

FIG. 3 is an enlarged schematic view of the structure A of the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the present invention viewed from the top;

fig. 5 is an enlarged schematic structural diagram of the middle B of the present invention.

In the figure: 1-base plate, 2-universal wheel, 3-set screw, 4-sleeve I, 5-rotating column I, 6-rack, 7-notch, 8-gear, 9-rotating column II, 10-fixed box, 11-worm wheel, 12-worm, 13-handle, 14-hinge block I, 15-threaded sleeve I, 16-threaded column, 17-threaded sleeve II, 18-hinge block II, 19-fixed column, 20-sleeve II, 21-spring, 22-fixed plate and 23-support plate.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, in an embodiment of the present invention, a mine safety support device includes a base plate 1, a set screw 3 is connected to an inner thread of the base plate 1, a sleeve 1 is fixedly connected to an upper end of the base plate 1, a rack 6 is slidably connected to an inner portion of the sleeve 4, the rack 6 is meshed with a gear 8, a rotating column II 9 is fixedly connected to an inner portion of the gear 8, a worm wheel 11 is fixedly connected to a circumferential surface of the rotating column II 9, a worm 12 is meshed with the worm wheel 11, a rotating column I5 is fixedly connected to a lower end of the worm 12, and a handle 13 is fixedly connected to a circumferential surface of the rotating column I5; the front end of the first sleeve 4 is fixedly connected with a first hinge block 14, the interior of the first hinge block 14 is rotatably connected with a first threaded sleeve 15, and the interior of the first threaded sleeve 15 is in threaded connection with a threaded column 16; the rear end of the first sleeve 4 is fixedly connected with a second hinge block 18, the interior of the second hinge block 18 is rotatably connected with the second hinge block 18, and the interior of the second hinge block 18 is rotatably connected with a second threaded sleeve 17; a second sleeve 20 is connected inside the first sleeve 4 in a sliding manner, a fixed plate 22 is fixedly connected inside the second sleeve 20, a spring 21 is fixedly connected to the lower end of the fixed plate 22, a fixed column 19 is fixedly connected to the lower end of the spring 21, and a rack 6 is fixedly connected to the lower end of the fixed column 19; the upper end of the second sleeve 20 is fixedly connected with a support plate 23.

Wherein, a plurality of universal wheels 2 of 1 lower extreme fixedly connected with of bed plate are evenly distributed at 1 lower extreme of bed plate at universal wheel 2, and the during operation, through the use of a plurality of universal wheels 2 of 1 lower extreme of bed plate of device, can realize that the user is removing the device inside the mine, perhaps saves a lot of strength with the in-process that the device shifted out the mine to reduce the labour, improved work efficiency. Notch 7 has been seted up to the sleeve side, and notch 7 position and gear 8 position are corresponding, in operation, through rotating handle 13, make to rotate a 5 emergence rotations, thereby drive the rotation of worm 12, and under the effect of fixed case 10, make the worm wheel 11 of being connected with worm 12 meshing take place to rotate, thereby make to rotate post two 9 and gear 8 and take place to rotate, because notch 7 has been seted up to the sleeve side, and notch 7 position and gear 8 position are corresponding, the rotation of having accomplished gear 8 is driving the removal of rack 6. A4 side fixedly connected with fixed casees 10 of sleeve, fixed incasement 10 is inside to rotate and is connected with and rotates a post 5 and rotate a post two 9, and during operation, through the setting of fixed case 10 for rotate a post 5 and rotate a post two 9 at the pivoted in-process, owing to fixed the motion that has played the restriction effect to rotating a post 5 and rotating a post two 9, make to rotate a post 5 and rotate a post two 9 and only take place to rotate and do not take place the purpose that removes at the in-process of work.

The internal threads of the first threaded sleeve 15 and the second threaded sleeve 17 are opposite in rotating direction, and when the support device works, through the use of the first threaded sleeve 15, the second threaded sleeve 17 and the threaded column 16, two adjacent support devices can be connected well, the distance between the two adjacent support devices is equal, the effect of uniform stress is achieved, and the problem that a single support device is damaged due to too large pressure of a mine cannot occur. The shape of the second sleeve 20 is N-shaped, the shape of the supporting plate 23 is arc-shaped, the supporting plate 23 is tightly attached to the upper end of the sleeve, the upper end of the fixing plate 22 in the second sleeve 20 is filled with concrete solid, in operation, the second sleeve 20 is used for the N-shaped supporting plate 23 and the arc-shaped supporting plate 23, all pressure is uniformly distributed on the second N-shaped sleeve 20 and the arc-shaped supporting plate 23 in the process of bearing the pressure of a surrounding mine, uniform stress is guaranteed, the stability of the supporting device can be guaranteed, solidified concrete is filled in the second sleeve 20, and the firmness of the device is improved.

The utility model discloses a theory of operation is: when the utility model is used, the device is firstly moved to the required supporting position in the mine, and the universal wheels 2 arranged at the lower part of the device are moved to the working place in a labor-saving way through the universal wheels 2; then the supporting device is fixed, the supporting device is fixed through the use of a plurality of set screws 3, then the supporting device supports the inner wall of a mine, the first rotating column 5 rotates through rotation, the worm 12 is driven to rotate, the worm wheel 11 meshed and connected with the worm 12 rotates under the action of the fixing box 10, the second rotating column 9 and the gear 8 rotate, in addition, the rack 6 moves upwards under the action of the notch 7, the rack 6 moves upwards to drive the fixing column 19 to move upwards, the spring 21 is extruded, the second sleeve 20 drives the supporting plate 23 to support the inner wall of the mine under the matching action of the fixing plate 22, and the supporting effect can be achieved according to different heights inside the mine; the inner wall of a mine is simultaneously supported through a plurality of supporting devices, the supporting effect is improved, because the front end of the sleeve I4 is provided with the hinging block I14, the hinging block I14 is internally rotated with the threaded sleeve I15, the threaded sleeve I15 is internally connected with the threaded column 16 in a threaded manner, and the hinging block II 18 and the threaded sleeve II 17 at the rear end of the sleeve I4 are used, two adjacent supporting devices can be adjusted according to the bending radian in the mine, so that the mine is supported, the distance between the two adjacent supporting devices can be the same, the effect of uniform stress is achieved, and the problem that a single supporting device is damaged due to overlarge pressure of the mine cannot occur; the operation is repeated, and through the common use of a plurality of supporting devices, the supporting stability of the mine is improved, so that casualties caused by collapse of the mine are avoided, and the practicability is greatly improved.

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 mine safety support device comprises a base plate (1), and is characterized in that: the base plate (1) is connected with a set screw (3) through internal threads, the upper end of the base plate (1) is fixedly connected with a first sleeve (4), the first sleeve (4) is connected with a rack (6) in a sliding manner, the rack (6) is meshed with a gear (8), a second rotating column (9) is fixedly connected with the inside of the gear (8), a worm wheel (11) is fixedly connected with the circumferential surface of the second rotating column (9), a worm (12) is meshed with the worm wheel (11), the lower end of the worm (12) is fixedly connected with a first rotating column (5), and a handle (13) is fixedly connected with the circumferential surface of the first rotating column (5); the front end of the first sleeve (4) is fixedly connected with a first hinge block (14), the interior of the first hinge block (14) is rotatably connected with a first threaded sleeve (15), and the interior of the first threaded sleeve (15) is in threaded connection with a threaded column (16); the rear end of the first sleeve (4) is fixedly connected with a second hinge block (18), the second hinge block (18) is rotatably connected inside the second hinge block (18), and the second hinge block (18) is rotatably connected inside a second threaded sleeve (17); a second sleeve (20) is connected to the inside of the first sleeve (4) in a sliding manner, a fixed plate (22) is fixedly connected to the inside of the second sleeve (20), a spring (21) is fixedly connected to the lower end of the fixed plate (22), a fixed column (19) is fixedly connected to the lower end of the spring (21), and a rack (6) is fixedly connected to the lower end of the fixed column (19); the upper end of the second sleeve (20) is fixedly connected with a supporting plate (23).

2. A mine safety support device as claimed in claim 1, wherein: the base plate (1) lower extreme fixedly connected with a plurality of universal wheels (2), be evenly distributed at base plate (1) lower extreme at universal wheel (2).

3. A mine safety support device as claimed in claim 1, wherein: the sleeve side end is provided with a notch (7), and the position of the notch (7) corresponds to the position of the gear (8).

4. A mine safety support device as claimed in claim 1, wherein: the side end of the first sleeve (4) is fixedly connected with a fixed box (10), and a first rotating column (5) and a second rotating column (9) are rotatably connected inside the fixed box (10).

5. A mine safety support device as claimed in claim 1, wherein: the internal threads of the first threaded sleeve (15) and the second threaded sleeve (17) are opposite in rotation direction.

6. A mine safety support device as claimed in claim 1, wherein: the shape of the second sleeve (20) is N-shaped, the shape of the support plate (23) is arc-shaped, the support plate (23) is tightly attached to the upper end of the second sleeve, and the upper end of the fixing plate (22) inside the second sleeve (20) is filled with concrete solids.