CN213980804U

CN213980804U - High-stability platform protection device for tunnel construction

Info

Publication number: CN213980804U
Application number: CN202022646230.9U
Authority: CN
Inventors: 汤春阳; 解飞; 姜艳超; 彭家兰
Original assignee: CCCC Tunnel Engineering Co Ltd
Current assignee: CCCC Tunnel Engineering Co Ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-08-17
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses a high-stability platform protection device for tunnel construction, which belongs to the technical field of tunnel construction and comprises a housing, a base, a supporting pipe, a lifting mechanism, a clamping mechanism and a fixing mechanism, wherein the supporting pipe is fixedly connected to the upper surface of the base, the housing is fixedly connected to the upper surface of the supporting pipe, first bearings are respectively clamped on the left side and the right side of the front surface of the inner wall of the housing, a first rotating shaft is sleeved in each first bearing, and a placing plate is clamped on the outer surface of each first rotating shaft; the utility model discloses in, through setting up lifting mechanism and fixed establishment, when needs protect, lift the bolt off to the lifting piece is not fixed, and then the movable plate just can upwards move because of the elasticity of spring, thereby the spliced pole just can the atress rotate and will place the board jack-up that makes progress, thereby reached and carried out the effect of consolidating with protector, when having avoided meetting emergency, the mechanism that does not expand fast makes constructor injured's problem.

Description

High-stability platform protection device for tunnel construction

Technical Field

The utility model belongs to the technical field of the tunnel construction, especially, relate to a platform protector for tunnel construction of high stability.

Background

With the continuous development of human production and life, the Chinese traffic network is also rapidly developed, and more road and railway tunnels need to be excavated. In the tunnel construction, the tunnel section needs to be topped, pumice removed and the hole punched and net hung. When carrying out tunnel end face construction, constructor need be under construction to the top in tunnel, when this section construction operation, because the not hard up rock of hole top probably drops, this has led to the fact very big potential safety hazard for constructor and equipment in the tunnel, but current tunnel construction protection device does not have the function of expandeing fast, thereby can not in time protect constructor when meetting proruption rock and dropping, and lead to constructor injured problem, and the rubble drops and lead to the protector collision to rock, thereby make whole protector's protecting effect discount greatly, the rubble still can lead to the fact the influence to the vehicle of coming, it is impaired to lead to the vehicle to remove.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the prior art does not have a quick unfolding function, cannot timely protect constructors and lead to shaking of the device due to broken stones so that the protection effect is reduced, the platform protection device for tunnel construction is high in stability.

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

a high-stability platform protection device for tunnel construction comprises a housing, a base, a supporting tube, a lifting mechanism, a clamping mechanism and a fixing mechanism, wherein the supporting tube is fixedly connected to the upper surface of the base, the housing is fixedly connected to the upper surface of the supporting tube, first bearings are clamped on the left side and the right side of the front surface of the inner wall of the housing, a first rotating shaft is sleeved in the first bearings, a placing plate is clamped on the outer surface of the first rotating shaft, displacement holes are formed in the left side and the right side of the lower surface of the housing, corresponding to the placing plate, the lower surface of the placing plate is fixedly connected with one end of the lifting mechanism, the other end of the lifting mechanism is arranged in the supporting tube, first fixing plates are fixedly connected to the left side and the right side of the upper surface of the placing plate, second bearings are clamped on the opposite surfaces of the two first fixing plates, a second rotating shaft is sleeved in the second bearings, and a first winding roller is clamped on the outer surface of the second rotating shaft, the surface winding of first wire winding roller has first dustproof cloth, the equal fixedly connected with second fixed plate in the positive left and right sides of base, the equal joint of opposite face of two second fixed plates have the third bearing, and the third bearing endotheca is equipped with the third pivot, and the surface joint of third pivot has the second wire winding roller, and the surface winding of second wire winding roller has the dustproof cloth of second, the inside of base is provided with clamping mechanism, and clamping mechanism's one end is connected with the one end of lifting mechanism, the equal fixedly connected with fixed establishment in the left and right sides of base upper surface, the equal fixedly connected with supporting leg in four corners department of base lower surface.

As a further description of the above technical solution:

the lifting mechanism comprises a third fixing plate, the outer surface of the third fixing plate is fixedly connected with the inner wall of the supporting tube, the lower surface of the third fixing plate is fixedly connected with a spring, the lower end of the spring is fixedly connected with a lifting block, the left side surface and the right side surface of the lifting block are respectively fixedly connected with moving blocks, the other ends of the two moving blocks respectively run through moving grooves formed in the left side surface and the right side surface of the inner wall of the supporting tube and extend to the outer side of the supporting tube, the moving blocks are detachably connected with the outer surface of the supporting tube through bolts, the two moving blocks are far away from the surface and are respectively fixedly connected with a second fixing block, the other end of the second fixing block is hinged with one end of the connecting column through a first pin shaft, the other end of the connecting column is hinged with one end of the first fixing block through a second pin shaft, the first fixing block is fixedly connected with the lower surface of the placing plate, and the lower surface of the lifting block is fixedly connected with one end of the clamping mechanism.

As a further description of the above technical solution:

the front side surface and the rear side surface of the lifting block are fixedly connected with first sliding blocks, and the two first sliding blocks are respectively connected in first sliding grooves formed in the front side surface and the rear side surface of the inner wall of the supporting pipe in a sliding mode.

As a further description of the above technical solution:

clamping mechanism includes the rack of fixed connection at the lifting piece lower surface, and the other end of rack runs through the through-hole that the base upper and lower both sides face was seted up and extends to the downside of base, rack and gear engagement, the surface joint fourth pivot of gear, and the fourth pivot cover is established in the fourth bearing, and the fourth bearing joint is in the front of base inner wall, and the surface joint of fourth pivot has the extension post, the other end fixedly connected with splint of extension post.

As a further description of the above technical solution:

the front of the rack is fixedly connected with a second sliding block, the second sliding block is connected in a second sliding groove formed in the front of the inner wall of the base in a sliding mode, and the second sliding block is T-shaped.

As a further description of the above technical solution:

the fixing mechanism comprises a third fixing block fixedly connected to the upper surface of the base, the third fixing block is hinged to a second folding column through a third pin shaft, the other end of the second folding column is hinged to a first folding column through a hinge, threads are arranged on the outer surface of the first folding column, and a threaded seat is arranged at the position, corresponding to the first folding column, of the lower surface of the placing plate.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through setting up lifting mechanism and fixed establishment, when needs protect, lift the bolt off, thereby the lifting piece is not fixed, and then the movable plate just can upwards move because of the elasticity of spring, thereby the spliced pole just can the atress rotate and will place the board jack-up that makes progress, it just can revolve around first pivot and finally tile and open to place the board, thereby carry out the effect of expandeing fast with protector, when placing the board by tiling and open, with the second folding column around third round pin axle rotation, it stands first folding column to open the hinge again, with screw thread seat threaded connection on the screw thread of first folding column, thereby reached and carried out reinforced (rfd) effect with protector, when having avoided meetting emergency, the mechanism that does not expand fast makes constructor injured's problem.

2. The utility model discloses in, through setting up clamping mechanism, when lifting during operation is carried out to lifting mechanism, the movable block just can drive rack rebound, thereby the rack just can drive the gear of both sides and rotate, and then the fourth pivot just can be driven and rotate, the extension board also can rotate, splint just also can be driven and rotate downwards, two splint are fixed with the pre-buried mounting in the ground before will being under construction, thereby make whole protector fixed, avoided the rubble to drop and lead to the protector collision to rock, thereby make the problem of the big discount of whole protector's protective effect.

3. The utility model discloses in, through setting up first dustproof cloth and second dustproof cloth, after whole protector is in the state of expansion, rotate the second pivot of both sides, thereby first wire winding roller is driven and is rotated, first dustproof cloth just can the lapse of lapse from placing the board and cover subaerially, rotate the third pivot, thereby second wire winding roller is driven and is rotated, second dustproof cloth just can the lapse of lapse cover subaerially, thereby reached and carried out the effect of covering the rubble that the tunnel top dropped, avoid the rubble to drop to the middle road surface and lead to the constructor inconvenience of moving about and the impaired problem of construction equipment removal.

Drawings

Fig. 1 is a schematic structural view of a front view section of the present invention;

FIG. 2 is a schematic structural view of the present invention;

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

illustration of the drawings: 1. a housing; 2. supporting a tube; 3. a first rotating shaft; 4. a lifting mechanism; 5. a clamping mechanism; 6. a base; 7. a fixing mechanism; 8. a first dust cloth; 9. a second rotating shaft; 10. a first fixing plate; 11. a second fixing plate; 12. a third rotating shaft; 13. a second dust cloth; 14. placing the plate; 15. a bolt; 41. a spring; 42. a first fixed block; 43. connecting columns; 44. lifting the block; 45. a second fixed block; 46. a first slider; 51. a rack; 52. a fourth rotating shaft; 53. a gear; 54. a splint; 55. a second slider; 71. a first folding column; 72. a third fixed block; 73. and (4) threading.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a high-stability platform protection device for tunnel construction comprises a housing 1, a base 6, a supporting tube 2, a lifting mechanism 4, a clamping mechanism 5 and a fixing mechanism 7, wherein the supporting tube 2 is fixedly connected to the upper surface of the base 6, the housing 1 is fixedly connected to the upper surface of the supporting tube 2, first bearings are respectively clamped on the left side and the right side of the front surface of the inner wall of the housing 1, a first rotating shaft 3 is sleeved in each first bearing, a placing plate 14 is clamped on the outer surface of the first rotating shaft 3, displacement holes are formed in the left side and the right side of the lower surface of the housing 1 corresponding to the positions of the placing plates 14, the lower surface of each placing plate 14 is fixedly connected with one end of the lifting mechanism 4, the lifting mechanism 4 comprises a third fixing plate, the outer surface of the third fixing plate is fixedly connected with the inner wall of the supporting tube 2, a spring 41 is fixedly connected to the lower surface of the third fixing plate, and a lifting block 44 is fixedly connected to the lower end of the spring 41, the left side surface and the right side surface of the lifting block 44 are fixedly connected with moving blocks, the other ends of the two moving blocks respectively penetrate through moving grooves formed in the left side surface and the right side surface of the inner wall of the supporting tube 2 and extend to the outer side of the supporting tube 2, the moving blocks are detachably connected to the outer surface of the supporting tube 2 through bolts 15, the far surface of the two moving blocks is fixedly connected with a second fixed block 45, the other end of the second fixed block 45 is hinged to one end of a connecting column 43 through a first pin shaft, the other end of the connecting column 43 is hinged to one end of a first fixed block 42 through a second pin shaft, the first fixed block 42 is fixedly connected to the lower surface of the placing plate 14, the lower surface of the lifting block 44 is fixedly connected with one end of a clamping mechanism 5, when protection is needed, the bolts 15 are detached, so that the lifting block 44 is not fixed, and the moving plates can move upwards due to the elasticity of the springs 41, the connecting column 43 is stressed to rotate and jack up the placing plate 14, the placing plate 14 rotates around the first rotating shaft 3 and is finally tiled, so that the protective device is opened, the front side surface and the rear side surface of the lifting block 44 are fixedly connected with first sliding blocks 46, the two first sliding blocks 46 are respectively connected in first sliding grooves formed in the front side surface and the rear side surface of the inner wall of the supporting tube 2 in a sliding mode, and the T-shaped first sliding blocks 46 are arranged, so that the lifting block 44 can stably slide in the supporting tube 2 and cannot be separated from the supporting tube 2, and the whole device cannot operate;

the other end of the lifting mechanism 4 is arranged in the supporting tube 2, the left side and the right side of the upper surface of the placing plate 14 are fixedly connected with first fixing plates 10, the opposite surfaces of the two first fixing plates 10 are respectively connected with a second bearing in a clamping way, a second rotating shaft 9 is sleeved in the second bearing in a sleeving way, a first winding roller is clamped on the outer surface of the second rotating shaft 9, a first dustproof cloth 8 is wound on the outer surface of the first winding roller, the left side and the right side of the front surface of the base 6 are respectively connected with a second fixing plate 11 in a clamping way, the opposite surfaces of the two second fixing plates 11 are respectively connected with a third bearing in a clamping way, a third rotating shaft 12 is sleeved in the third bearing, a second winding roller is clamped on the outer surface of the third rotating shaft 12, a second dustproof cloth 13 is wound on the outer surface of the second winding roller, and by arranging the first dustproof cloth 8 and the second dustproof cloth 13, when the whole protection device is in an unfolded state, the second rotating shafts 9 on both sides, the first winding roller is driven to rotate, the first dustproof cloth 8 can move downwards to slide down from the placing plate 14 and cover the ground, the third rotating shaft 12 is rotated, the second winding roller is driven to rotate, and the second dustproof cloth 13 can move downwards to cover the ground, so that broken stones falling from the top end of the tunnel are covered, and the problems that the broken stones fall onto the middle pavement to cause inconvenience in movement of construction personnel and damage in movement of construction equipment are solved;

the interior of the base 6 is provided with a clamping mechanism 5, the clamping mechanism 5 comprises a rack 51 fixedly connected to the lower surface of the lifting block 44, the other end of the rack 51 penetrates through a through hole formed in the upper side surface and the lower side surface of the base 6 and extends to the lower side of the base 6, the rack 51 is meshed with a gear 53, the outer surface of the gear 53 is clamped with a fourth rotating shaft 52, the fourth rotating shaft 52 is sleeved in a fourth bearing, the fourth bearing is clamped on the front surface of the inner wall of the base 6, the outer surface of the fourth rotating shaft 52 is clamped with an extending column, the other end of the extending column is fixedly connected with a clamping plate 54, through the arrangement of the rack 51, the gear 53 and the clamping plate 54, when the lifting mechanism 4 is lifted, the moving block can drive the rack 51 to move upwards, so that the rack 51 can drive the gears 53 on the two sides to rotate, and the fourth rotating shaft 52 can be driven to rotate, the extending plate can also rotate, and the clamping plate 54 can be driven to rotate downwards, the clamping plate 54 can be shoveled into the soil, so that the whole protection device is fixed, the front surface of the rack 51 is fixedly connected with a second sliding block 55, the second sliding block 55 is slidably connected in a second sliding groove which is formed in the front surface of the inner wall of the base 6, the second sliding block 55 is in a T shape, one end of the clamping mechanism 5 is connected with one end of the lifting mechanism 4, the left side and the right side of the upper surface of the base 6 are fixedly connected with fixing mechanisms 7, each fixing mechanism 7 comprises a third fixing block 72 which is fixedly connected to the upper surface of the base 6, the third fixing block 72 is hinged with a second folding column through a third pin shaft, the other end of the second folding column is hinged with a first folding column 71 through a hinge, the outer surface of the first folding column 71 is provided with threads 73, the lower surface of the placing plate 14 is provided with a thread seat corresponding to the position of the first folding column 71, and by arranging the first folding column 71 and the second folding column, rotate the second folding post around third round pin axle, open the hinge again and stand first folding post 71, with screw thread seat screw thread 73 connection on the screw thread 73 of first folding post 71 to hit the effect that has reached enhancement protective effect, the equal fixedly connected with supporting leg in four corners department of base 6 lower surface.

The working principle is as follows: when the lifting mechanism 4 is used for lifting, the moving block drives the rack 51 to move upwards, the rack 51 drives the gears 53 on two sides to rotate, the fourth rotating shaft 52 is driven to rotate, the extension plate is driven to rotate, the clamping plate 54 is driven to rotate downwards, and the clamping plate 54 is driven to shovel into the soil, the whole protection device is fixed, the second rotating shafts 9 on two sides are rotated, the first winding rollers are driven to rotate, the first dustproof cloth 8 can move downwards to slide down from the placing plate 14 and cover the ground, the third rotating shafts 12 are rotated, the second winding rollers are driven to rotate, and the second dustproof cloth 13 can move downwards to cover the ground from sliding down.

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 high-stability platform protection device for tunnel construction comprises a housing (1), a base (6), a supporting tube (2), a lifting mechanism (4), a clamping mechanism (5) and a fixing mechanism (7), and is characterized in that the supporting tube (2) is fixedly connected to the upper surface of the base (6), the housing (1) is fixedly connected to the upper surface of the supporting tube (2), first bearings are clamped on the left and right sides of the front inner wall of the housing (1), a first rotating shaft (3) is sleeved in the first bearings, a placing plate (14) is clamped on the outer surface of the first rotating shaft (3), displacement holes are formed in the left and right sides of the lower surface of the housing (1) corresponding to the placing plate (14), the lower surface of the placing plate (14) is fixedly connected with one end of the lifting mechanism (4), the other end of the lifting mechanism (4) is arranged in the supporting tube (2), first fixing plates (10) are fixedly connected to the left and right sides of the upper surface of the placing plate (14), the opposite surfaces of the two first fixing plates (10) are respectively connected with a second bearing in a clamping manner, a second rotating shaft (9) is sleeved in the second bearings, a first winding roller is clamped on the outer surface of the second rotating shaft (9), a first dustproof cloth (8) is wound on the outer surface of the first winding roller, the left and right sides of the front surface of the base (6) are respectively and fixedly connected with a second fixing plate (11), a third bearing is clamped on the opposite surfaces of the two second fixing plates (11), a third rotating shaft (12) is sleeved in the third bearing in a clamping manner, a second winding roller is clamped on the outer surface of the third rotating shaft (12), a second dustproof cloth (13) is wound on the outer surface of the second winding roller, a clamping mechanism (5) is arranged in the base (6), one end of the clamping mechanism (5) is connected with one end of the lifting mechanism (4), and fixing mechanisms (7) are respectively and fixedly connected with the left and right sides of the, the four corners of the lower surface of the base (6) are fixedly connected with supporting legs.

2. The high-stability platform protection device for tunnel construction as claimed in claim 1, wherein the lifting mechanism (4) comprises a third fixing plate, the outer surface of the third fixing plate is fixedly connected with the inner wall of the support tube (2), the lower surface of the third fixing plate is fixedly connected with a spring (41), the lower end of the spring (41) is fixedly connected with a lifting block (44), the left and right side surfaces of the lifting block (44) are fixedly connected with moving blocks, the other ends of the two moving blocks respectively penetrate through moving grooves formed in the left and right side surfaces of the inner wall of the support tube (2) and extend to the outer side of the support tube (2), the moving blocks are detachably connected with the outer surface of the support tube (2) through bolts (15), the far surfaces of the two moving blocks are fixedly connected with a second fixing block (45), the other end of the second fixing block (45) is hinged with one end of the connecting column (43) through a first pin shaft, the other end of spliced pole (43) is articulated through the one end of second round pin axle with first fixed block (42), and first fixed block (42) fixed connection is at the lower surface of placing board (14), the lower surface of lifting piece (44) and the one end fixed connection of clamping mechanism (5).

3. The high-stability platform protection device for tunnel construction as claimed in claim 2, wherein the front and rear side surfaces of the lifting block (44) are fixedly connected with first sliding blocks (46), and the two first sliding blocks (46) are respectively slidably connected in first sliding grooves formed in the front and rear side surfaces of the inner wall of the support pipe (2).

4. The high-stability platform protection device for tunnel construction as claimed in claim 1, wherein the clamping mechanism (5) comprises a rack (51) fixedly connected to the lower surface of the lifting block (44), the other end of the rack (51) penetrates through holes formed in the upper side surface and the lower side surface of the base (6) and extends to the lower side of the base (6), the rack (51) is meshed with a gear (53), the outer surface of the gear (53) is clamped with a fourth rotating shaft (52), the fourth rotating shaft (52) is sleeved in a fourth bearing, the fourth bearing is clamped on the front surface of the inner wall of the base (6), the outer surface of the fourth rotating shaft (52) is clamped with an extension column, and the other end of the extension column is fixedly connected with a clamping plate (54).

5. The high-stability platform protection device for tunnel construction as claimed in claim 4, wherein a second sliding block (55) is fixedly connected to the front face of the rack (51), the second sliding block (55) is slidably connected to a second sliding groove formed in the front face of the inner wall of the base (6), and the second sliding block (55) is T-shaped.

6. The high-stability platform protection device for tunnel construction as claimed in claim 1, wherein the fixing mechanism (7) comprises a third fixing block (72) fixedly connected to the upper surface of the base (6), the third fixing block (72) is hinged to a second folding column through a third pin, the other end of the second folding column is hinged to a first folding column (71) through a hinge, the outer surface of the first folding column (71) is provided with a thread (73), and a threaded seat is arranged on the lower surface of the placement plate (14) corresponding to the position of the first folding column (71).