Movable supporting structure

Abstract

The utility model belongs to the technical field of mine supporting, and relates to a movable supporting structure which comprises a supporting assembly, a free lifting assembly and an arch-shaped top plate supporting assembly. The supporting assembly comprises a first supporting assembly and a second supporting assembly which is completely the same as the first supporting assembly in structure; the whole supporting assembly is of a hollow cylindrical structure. The free lifting assembly is arranged in the first supporting assembly and / or the second supporting assembly in the axial direction of the supporting assembly. The arched top plate supporting assembly is erected at the tops of the first supporting assembly and the second supporting assembly; the free lifting assembly abuts against the lower surface of the arch-shaped top plate supporting assembly and drives the arch-shaped top plate supporting assembly to freely ascend and descend in the axial direction of the supporting assembly. According to the movable supporting structure, the supporting plate is convenient to adjust or replace, and the adaptability is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mine supporting technical field relates to a mobile supporting structure, especially in mine supporting use mobile supporting structure. BACKGROUND

[0002] Mine supporting refers to a series of technical measures for protecting the safety of coal mine roadway, to prevent rock collapse, collapse, sliding and other accidents, the main purpose of supporting is to increase the strength and stability of rock mass, ensure the safety production of mine. In the prior art, the general mobile supporting device cannot be disassembled and replaced with different length roof, so that it is more consistent with different mine width. At the same time, there is no device for protecting the bottom moving wheel during use, which may cause the gravel to be stuck in the moving wheel, affecting its use effect. UTILITARIAN CONTENT

[0003] In order to solve the above technical problems existing in the background art, the utility model provides a mobile supporting structure which is convenient to adjust or replace the supporting plate and has strong adaptability.

[0004] In order to achieve the above object, the utility model provides the following technical scheme:

[0005] A mobile supporting structure, characterized in that: the mobile supporting structure includes supporting assembly, self lifting assembly and arc roof supporting assembly;The supporting assembly includes first supporting assembly and second supporting assembly which is completely same in structure with the first supporting assembly;The supporting assembly is hollow in whole and is in the shape of cylinder;The self lifting assembly is arranged in the first supporting assembly and / or the second supporting assembly along the axial direction of the supporting assembly;The arc roof supporting assembly is arranged on the top of the first supporting assembly and the second supporting assembly;The self lifting assembly is abutted against the lower surface of the arc roof supporting assembly and drives the arc roof supporting assembly to lift along the axial direction of the supporting assembly.

[0006] The self-lifting assembly comprises a motor, a first gear, a moving frame, a second gear, a threaded block and a screw rod. The screw rod is movably arranged in the support assembly along the axial direction of the support assembly. The first gear is fixedly arranged outside the screw rod. The motor is arranged outside the support assembly. The second gear is arranged inside the support assembly and engaged with the first gear. The transmission shaft of the motor penetrates the side wall of the support assembly and is fixedly connected with the second gear. The inner wall of the support assembly is provided with a clamping groove along the axial direction of the support assembly. The threaded block is sleeved on the screw rod and threadedly matched with the screw rod. The threaded block is provided with an anti-rotation tooth. The anti-rotation tooth is clamped in the clamping groove of the inner wall of the support assembly. The moving frame is sleeved outside the screw rod along the axial direction of the screw rod. The inner diameter of the moving frame is greater than the outer diameter of the screw rod. The moving frame is fixedly arranged on the top of the threaded block. The top of the moving frame abuts against the lower surface of the arc-shaped roof support assembly. The motor drives the screw rod to rotate through the second gear and the first gear. The screw rod drives the arc-shaped roof support assembly to self-lift along the axial direction of the support assembly through the threaded block and the moving frame.

[0007] The self-lifting assembly further comprises a protective cloth suspended on the arc-shaped roof support assembly and arranged around the outside of the support assembly.

[0008] The movable support structure further comprises a quick-assembly component arranged between the self-lifting assembly and the arc-shaped roof support assembly. The self-lifting assembly is connected with the arc-shaped roof support assembly through the quick-assembly component and drives the arc-shaped roof support assembly to self-lift along the axial direction of the support assembly.

[0009] The quick-assembly component comprises a clamping block, a sink groove and a screw rod. The sink groove is arranged on the lower surface of the arc-shaped roof support assembly. The clamping block is fixedly arranged on the top of the moving frame. The shape of the clamping block matches the shape of the sink groove. The screw rod penetrates the sink groove and the clamping block.

[0010] The first support assembly comprises a moving seat and a support column vertically arranged on the moving seat. The support column has a hollow cylindrical structure as a whole. The self-lifting assembly is arranged in the support column along the axial direction of the support column. The arc-shaped roof support assembly is arranged on the top of the support column.

[0011] The moving seat comprises a housing, a moving wheel and a moving wheel protection assembly. The moving wheel is arranged inside the housing. The moving wheel protection assembly is arranged inside the housing and covers the outside of the moving wheel. The lower surface of the housing is non-grounded. When the moving wheel protection assembly covers the outside of the moving wheel, the lower surface of the moving wheel protection assembly is grounded.

[0012] The mobile wheel protection assembly comprises a protection cover, a third gear, a gear shaft and a rotating disc; the protection cover is in a whole tubular structure with an open lower part; a rack is arranged on the sidewall of the protection cover along the height direction of the protection cover; the gear shaft is arranged inside the shell and outside the protection cover; the axial direction of the gear shaft is perpendicular to the axial direction of the rack; the third gear is fixedly arranged on the gear shaft and rotates synchronously with the gear shaft; the third gear is engaged with the rack; the rotating disc is arranged outside the shell and connected with the gear shaft; the rotating disc drives the protection cover to freely lift along the height direction of the protection cover through the gear shaft and the third gear; when the protection cover covers the outside of the mobile wheel, the lower surface of the protection cover is grounded.

[0013] The mobile wheel protection assembly further comprises a spring arranged between the protection cover and the shell.

[0014] The arc-shaped roof support assembly comprises an arc-shaped roof, a support plate, a reinforcing rod and a protective net; the arc-shaped roof is connected with the support plate through the reinforcing rod; the support plate is horizontally arranged on the top of the first support assembly and the top of the second support assembly; the freely lifting assembly abuts against the lower surface of the support plate and drives the arc-shaped roof to freely lift along the axial direction of the support assembly through the support plate; the protective net is arranged on the lower surface of the arc-shaped roof.

[0015] The mobile support structure has the advantages that:

[0016] The utility model provides a movable support structure, including support component, freely lifting assembly and arc roof support component, support component includes first support component and with first support component structure exactly same second support component, support component whole is in hollow tubular structure, freely lifting assembly is in first support component and / or second support component along the axial direction of support component, arc roof support component is arranged on the top of first support component and the top of second support component, freely lifting assembly abuts against arc roof support component lower surface and drives arc roof support component to freely lift along the axial direction of support component. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front view structure schematic diagram of the movable support structure provided by the utility model.

[0018] Figure 2 is the main view of the mobile support structure provided by the utility model shows the schematic diagram of the structure of the section;

[0019] Figure 3 is the overhead structure schematic diagram of the mobile wheel protection assembly used by the utility model;

[0020] Figure 4 is Figure 2 the enlarged structure schematic diagram of B in the middle;

[0021] in the figure,

[0022] 1-mobile seat;2-support column;3-arc top plate;4-support plate;5-strengthening rod;6-protection net;7-clamp block;8-protection cloth;9-motor cover;10-screw;11-motor;12-first gear;13-moving frame;14-second gear;15-threaded block;16-screw;17-protection cover;18-third gear;19-gear shaft;20-turntable;23-spring. DETAILED DESCRIPTION

[0023] Referring to Figure 1 and Figure 2 , the utility model provides a kind of mobile support structure, including support assembly, self lift assembly and arc top plate support assembly;Support assembly includes first support assembly and the second support assembly identical with the structure of first support assembly;Support assembly is as a whole hollow cylinder structure;Self lift assembly is placed in first support assembly and / or second support assembly along the axial direction of support assembly;Arc top plate support assembly is erected at the top of first support assembly and the top of second support assembly;Self lift assembly is abutted on the lower surface of arc top plate support assembly and drives arc top plate support assembly to lift along the axial direction of support assembly freely.The utility model directly erects replaceable arc top plate support assembly at the top of support assembly, simultaneously drives arc top plate support assembly to lift along the axial direction of support assembly freely by self lift assembly.One aspect, since arc top plate support assembly is simple erection mode, can be selected and replaced according to different width mine, it is very convenient to use;Another aspect, the utility model adopts self lift assembly (self lift assembly hides in the inside of support assembly along the axial direction of support assembly) to the arc top plate support assembly and is lifted or falls back, it is convenient to adjust the height of arc top plate support assembly, adapt to the support of different roadway, and the adaptability is strong.

[0024] Exemplarily, referring to Figure 2The self-lifting assembly comprises a motor 11, a first gear 12, a moving frame 13, a second gear 14, a threaded block 15 and a screw rod 16; the screw rod 16 is movably arranged in the support assembly along the axial direction of the support assembly; the first gear 12 is fixedly sleeved outside the screw rod 16; the motor 11 is arranged outside the support assembly; the second gear 14 is arranged inside the support assembly and is engaged with the first gear 12; the transmission shaft of the motor 11 penetrates the side wall of the support assembly and is fixedly connected with the second gear 14; the inner wall of the support assembly is provided with a clamping groove along the axial direction of the support assembly; the threaded block 15 is sleeved on the screw rod 16 and is threadedly matched with the screw rod 16; the threaded block 15 is provided with an anti-rotation tooth; the anti-rotation tooth is clamped in the clamping groove of the inner wall of the support assembly; the moving frame 13 is sleeved outside the screw rod 16 along the axial direction of the screw rod 16; the inner diameter of the moving frame 13 is greater than the outer diameter of the screw rod 16; the moving frame 13 is fixedly arranged on the top of the threaded block 15; the top of the moving frame 13 abuts against the lower surface of the arc-shaped roof support assembly; the motor 11 drives the screw rod 16 to rotate through the second gear 14 and the first gear 12; the arc-shaped roof support assembly is driven to self-lift along the axial direction of the support assembly through the threaded block 15 and the moving frame 13. In order to protect the motor 11, a motor cover 9 is arranged outside the motor 11. In specific use, the motor 11 is started to drive the second gear 14 on the shaft to rotate, the second gear 14 drives the first gear 12 engaged therewith to rotate, the first gear 12 drives the screw rod 16 to rotate, and the screw rod 16 drives the threaded block 15 to move upwards, so that the threaded block 15 drives the moving frame 13 to move together, the moving frame 13 drives the arc-shaped roof support assembly on the top to move, the height of the arc-shaped roof support assembly can be adjusted, and different heights of mine shafts can be coped with.

[0025] The self-lifting assembly further comprises a protective cloth 8 which is hung on the arc-shaped roof support assembly and is arranged around the outside of the support assembly. The protective cloth 8 shields the gap between the support assembly and the self-lifting assembly, prevents the gravel dust from entering the support assembly from the gap, and further prevents the self-lifting assembly from being invalid or damaged.

[0026] The movable support structure further comprises a quick-assembly component arranged between the self-lifting assembly and the arc-shaped roof support assembly. The self-lifting assembly is connected with the arc-shaped roof support assembly through the quick-assembly component and drives the arc-shaped roof support assembly to self-lift along the axial direction of the support assembly. The quick-assembly component comprises a clamping block 7, a sink groove and a screw rod 10. The sink groove is arranged on the lower surface of the arc-shaped roof support assembly. The clamping block 7 is fixedly arranged on the top of the moving frame 13. The shape of the clamping block 7 matches the shape of the sink groove. The screw rod 10 penetrates the sink groove and the clamping block 7. In use, the clamping block 7 is aligned with the sink groove, the arc-shaped roof support assembly is caused to fall on the top of the moving frame 13, then the moving frame 13 and the arc-shaped roof support assembly are fixed through the screw rod 10 and the nut matched with the screw rod 10, and the erection and quick-assembly are completed.

[0027] The first support assembly comprises a moving base 1 and a support column 2 vertically arranged on the moving base 1; the support column 2 is in a hollow cylindrical structure as a whole, the self-lifting assembly is arranged in the support column 2 along the axial direction of the support column 2; and the arc-shaped roof support assembly is arranged on the top of the support column 2. The moving base 1 comprises a shell, a moving wheel and a moving wheel protection assembly; the moving wheel is arranged inside the shell; the moving wheel protection assembly is arranged inside the shell and covers the moving wheel; the lower surface of the shell is non-grounded, and the lower surface of the moving wheel protection assembly is grounded when the moving wheel protection assembly covers the moving wheel.

[0028] Referring to Figure 3 The moving wheel protection assembly comprises a protective cover 17, a third gear 18, a gear shaft 19 and a rotating disc 20; the protective cover 17 is in a cylindrical structure with an open lower part as a whole; a gear rack is arranged on the sidewall of the protective cover 17 along the height direction of the protective cover 17; the gear shaft 19 is arranged inside the shell and outside the protective cover 17; the axial direction of the gear shaft 19 is perpendicular to the axial direction of the gear rack; the third gear 18 is fixedly arranged on the gear shaft 19 and rotates synchronously with the gear shaft 19; the third gear 18 is engaged with the gear rack; the rotating disc 20 is arranged outside the shell and connected with the gear shaft 19; the rotating disc 20 drives the protective cover 17 to ascend and descend along the height direction of the protective cover 17 through the gear shaft 19 and the third gear 18; and the lower surface of the protective cover 17 is grounded when the protective cover 17 covers the moving wheel. When the moving wheel protection assembly is used, the protective cover 17 covers the moving wheel by rotating the rotating disc 20, and the lower surface of the protective cover 17 is grounded at this time, so that the gravel can be prevented from splashing to the moving wheel, the moving wheel is prevented from being stuck, and the subsequent smooth movement is affected. For example, a limiting pin or a limiting screw of any kind commonly used or in the prior art can be arranged on the rotating disc 20, the rotating disc 20 is limited, and the rotating disc 20 is prevented from rotating. In addition, referring to Figure 4 The moving wheel protection assembly further comprises a spring 23 arranged between the protective cover 17 and the shell, and the protective cover 17 can be conveniently operated when ascending due to the increase of the spring force.

[0029] Referring to Figure 1 and Figure 2 The arc-shaped roof support assembly comprises an arc-shaped roof 3, a support plate 4, a reinforcing rod 5 and a protective net 6; the arc-shaped roof 3 is connected with the support plate 4 through the reinforcing rod 5; the support plate 4 is horizontally arranged on the top of the first support assembly and the top of the second support assembly; the self-lifting assembly abuts against the lower surface of the support plate 4 and drives the arc-shaped roof 3 to ascend and descend along the axial direction of the support assembly through the support plate 4; and the protective net 6 is arranged on the lower surface of the arc-shaped roof 3 and can effectively protect the falling gravel.

Claims

1. A mobile support structure characterised in that: The mobile support structure comprises a support assembly, a self-easy lifting assembly and an arc-shaped roof support assembly; the support assembly comprises a first support assembly and a second support assembly which is identical in structure to the first support assembly; the support assembly is in a hollow cylindrical structure as a whole; the self-easy lifting assembly is arranged in the first support assembly and / or the second support assembly along the axial direction of the support assembly; The arc-shaped roof support assembly is arranged on the top of the first support assembly and the top of the second support assembly; the self-easy lifting assembly abuts against the lower surface of the arc-shaped roof support assembly and drives the arc-shaped roof support assembly to self-easily lift along the axial direction of the support assembly.

2. The mobile support structure of claim 1, wherein: The self-easy lifting assembly comprises a motor (11), a first gear (12), a moving frame (13), a second gear (14), a threaded block (15) and a screw rod (16); the screw rod (16) is movably arranged in the support assembly along the axial direction of the support assembly; the first gear (12) is fixedly sleeved on the outside of the screw rod (16); the motor (11) is arranged outside the support assembly; the second gear (14) is arranged inside the support assembly and engaged with the first gear (12); the transmission shaft of the motor (11) penetrates through the side wall of the support assembly and is fixedly connected with the second gear (14); the inner wall of the support assembly is provided with a clamping groove along the axial direction of the support assembly; the threaded block (15) is sleeved on the screw rod (16) and threadedly matched with the screw rod (16); the threaded block (15) is provided with an anti-rotation tooth; the anti-rotation tooth is clamped in the clamping groove of the inner wall of the support assembly; the moving frame (13) is sleeved on the outside of the screw rod (16) along the axial direction of the screw rod (16); the inner diameter of the moving frame (13) is greater than the outer diameter of the screw rod (16); the moving frame (13) is fixedly arranged on the top of the threaded block (15); the top of the moving frame (13) abuts against the lower surface of the arc-shaped roof support assembly; the motor (11) drives the screw rod (16) to rotate through the second gear (14) and the first gear (12); the screw rod (16) drives the arc-shaped roof support assembly to self-easily lift along the axial direction of the support assembly through the threaded block (15) and the moving frame (13).

3. The mobile support structure of claim 2, wherein: The self-easy lifting assembly further comprises a protective cloth (8) which is hung on the arc-shaped roof support assembly and arranged around the outside of the support assembly.

4. The mobile support structure of claim 3, wherein: The mobile support structure further comprises a quick-assembly assembly arranged between the self-easy lifting assembly and the arc-shaped roof support assembly; the self-easy lifting assembly is connected with the arc-shaped roof support assembly through the quick-assembly assembly and drives the arc-shaped roof support assembly to self-easily lift along the axial direction of the support assembly.

5. The mobile support structure of claim 4, wherein: The quick-assembly assembly comprises a clamping block (7), a sink groove and a screw rod (10); the sink groove is arranged on the lower surface of the arc-shaped roof support assembly; the clamping block (7) is fixedly arranged on the top of the moving frame (13); the shape of the clamping block (7) matches the shape of the sink groove; the screw rod (10) penetrates through the sink groove and the clamping block (7).

6. The mobile support structure according to any one of claims 1-5, wherein: The first support assembly comprises a moving base (1) and a support column (2) vertically arranged on the moving base (1); the support column (2) is in a hollow cylindrical structure as a whole, and the self-lifting assembly is arranged in the support column (2) along the axial direction of the support column (2); and the arc-shaped roof support assembly is erected on the top of the support column (2).

7. The mobile support structure of claim 6, wherein: The moving base (1) comprises a shell, a moving wheel and a moving wheel protection assembly; the moving wheel is arranged inside the shell; the moving wheel protection assembly is arranged inside the shell and covers the outside of the moving wheel; the lower surface of the shell is non-grounded, and the lower surface of the moving wheel protection assembly is grounded when the moving wheel protection assembly covers the outside of the moving wheel.

8. The mobile support structure of claim 7, wherein: The moving wheel protection assembly comprises a protective cover (17), a third gear (18), a gear shaft (19) and a rotating disc (20); the protective cover (17) is in a cylindrical structure with an open lower part as a whole; a gear rack is arranged on the sidewall of the protective cover (17) along the height direction of the protective cover (17); the gear shaft (19) is arranged inside the shell and outside the protective cover (17); the axial direction of the gear shaft (19) is perpendicular to the axial direction of the gear rack; the third gear (18) is fixedly arranged on the gear shaft (19) and rotates synchronously with the gear shaft (19); the third gear (18) is engaged with the gear rack; the rotating disc (20) is arranged outside the shell and connected with the gear shaft (19); the rotating disc (20) drives the protective cover (17) to lift or lower along the height direction of the protective cover (17) through the gear shaft (19) and the third gear (18); and the lower surface of the protective cover (17) is grounded when the protective cover (17) covers the outside of the moving wheel.

9. The mobile support structure of claim 8, wherein: The moving wheel protection assembly further comprises a spring (23) arranged between the protective cover (17) and the shell.

10. The mobile support structure of claim 9, wherein: The arc-shaped roof support assembly comprises an arc-shaped roof (3), a support plate (4), a reinforcing rod (5) and a protective net (6); the arc-shaped roof (3) is connected with the support plate (4) through the reinforcing rod (5); the support plate (4) is horizontally erected on the top of the first support assembly and the top of the second support assembly; the self-lifting assembly abuts against the lower surface of the support plate (4) and drives the arc-shaped roof (3) to lift or lower along the axial direction of the support assembly through the support plate (4); and the protective net (6) is arranged on the lower surface of the arc-shaped roof (3).

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