CN215564764U - Road bridge tunnel passes through cavity canopy and protects structure - Google Patents
Road bridge tunnel passes through cavity canopy and protects structure Download PDFInfo
- Publication number
- CN215564764U CN215564764U CN202120724512.8U CN202120724512U CN215564764U CN 215564764 U CN215564764 U CN 215564764U CN 202120724512 U CN202120724512 U CN 202120724512U CN 215564764 U CN215564764 U CN 215564764U
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- transverse plate
- supporting
- fixedly connected
- arc
- canopy
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- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000010276 construction Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a road and bridge tunnel crossing cavity canopy guard structure, which comprises an arc-shaped canopy, a lifting mechanism, supporting mechanisms, a sliding block and a fixing bolt, wherein travelling wheels are driven to rotate by pushing the canopy guard structure to move the canopy guard structure, when the height of the arc-shaped canopy needs to be adjusted, a first rotating handle in two supporting mechanisms is rotated to drive a gear to rotate, the gear is meshed with a rack through the meshing fit of a gear and the rack, meanwhile, through the sliding fit of a vertical rod and a sliding rail, the rack is driven to move upwards through the rotating gear, a first transverse plate is driven to move upwards through the rack, so that the arc-shaped canopy is driven to move upwards, after the arc-shaped canopy moves to the height needed, the end part of the fixing bolt is contacted with one side of the vertical rod and extrudes and fixes the vertical rod, so that the vertical rod is kept at the current position and does not move any more, and the height of the arc-shaped canopy is limited, make things convenient for operating personnel to adjust the height of arc ceiling according to the use needs.
Description
Technical Field
The utility model relates to a shed protection structure, in particular to a shed protection structure for a road bridge tunnel to pass through a cavity.
Background
The traffic construction plays an important role in national economic development, and in the construction of highways, railways and urban traffic, various structural structures such as bridges, tunnels and the like need to be built for crossing rivers, deep valleys and straits or mountains and water bottoms, and the bridge and tunnel engineering belongs to civil engineering.
Need use the canopy to protect the security that the structure improves the construction when road bridge tunnel passes through the hole, current canopy protects the structure and is not convenient for adjust the height of ceiling, uses comparatively inconveniently, consequently needs further to improve it.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a road, bridge and tunnel crossing hollow shed protection structure to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a road bridge tunnel passes through cavity canopy and protects structure, includes the arc ceiling, the bilateral bottom symmetry of arc ceiling is provided with two supporting mechanism, supporting mechanism includes first turning handle, first diaphragm, elevating system, pivot, connecting rod, walking wheel, positioning mechanism and second diaphragm, first diaphragm sets up in the top of second diaphragm, first diaphragm top and arc ceiling bottom fixed connection, the pivot sets up between first diaphragm and second diaphragm, first turning handle fixed cover is located in the pivot, elevating system is provided with four, four elevating system is located equidistance setting between first diaphragm and the second diaphragm, connecting rod top and second diaphragm bottom fixed connection, connecting rod bottom and walking wheel fixed connection.
As a further scheme of the utility model: the lifting mechanism comprises a vertical rod, a rack, a gear, a square sleeve and a sliding rail.
As a still further scheme of the utility model: square sleeve bottom and second diaphragm top fixed connection, the square sleeve top sets up for the opening, the outside of pivot is located to square sleeve rotation cover, slide rail fixed connection on one side inner wall of square sleeve, one side of montant is through seting up some spouts and slide rail sliding connection, rack fixed connection is in the opposite side of montant, the gear runs through fixed cover and locates the outside of pivot, wheel and rack intermeshing, all be provided with fixing bolt on the square sleeve, the threaded through-hole that has seted up through running through on the square sleeve cup joints with the fixing bolt screw thread, fixing bolt's one end is stretched into and is contacted with one side of montant behind the square sleeve's the inboard.
As a still further scheme of the utility model: the positioning mechanisms are symmetrically arranged at the bottom of the second transverse plate and comprise threaded rods, supporting bottom plates, supporting frame bodies, sliding blocks, second rotating handles and supporting rods.
As a still further scheme of the utility model: braced frame body top and second diaphragm bottom fixed connection, braced frame body's inboard is located to the slider slip cap, the threaded rod bottom is rotated with braced frame body's inboard bottom and is connected, the top of threaded rod is rotated and is run through behind the second diaphragm with second turning handle bottom fixed connection, some screw through-holes and threaded rod screw thread cup joint through running through seting up on the slider, supporting baseplate sets up in braced frame body's below, the bracing piece symmetry is provided with four, four bracing piece top and slider bottom fixed connection, four bracing piece bottom and supporting baseplate top fixed connection, braced frame body bottom is run through and is offered the movable through-hole that is used for the bracing piece activity, supporting baseplate sets up in the top of walking wheel.
Compared with the prior art, the utility model has the beneficial effects that:
1. drive gear through rotating two first handles in the supporting mechanism and rotate, through the meshing cooperation of wheel and rack, simultaneously through the sliding fit of montant and slide rail, it drives rack rebound to rotate the gear, promote first diaphragm rebound through the rack, and then promote arc ceiling rebound, remove to the height back that needs use, through rotating fixing bolt, make fixing bolt's tip and one side contact of montant and extrude it fixedly, make the montant keep no longer moving at the current position, and then realize highly injecing the arc ceiling, make things convenient for operating personnel to adjust the height of arc ceiling according to the use needs.
2. Make the walking wheel rotate through promoting this canopy and protect the structure, protect the structure to remove this canopy, remove to using after the land, through the second turning handle among the rotational positioning mechanism, it rotates to drive the threaded rod through the second turning handle, through the screw-thread fit of threaded rod and slider, the threaded rod rotates and drives the slider and slide along braced frame's inner wall lapse, and then promote the bracing piece lapse through the slider, promote the supporting baseplate lapse through the bracing piece, until supporting baseplate and ground contact, make the walking wheel upwards break away from with ground simultaneously, and then make this canopy protect stable in structure place subaerial difficult removal.
Drawings
Fig. 1 is a schematic structural view of a road bridge tunnel crossing hollow canopy structure.
Fig. 2 is a schematic perspective view of a road bridge tunnel passing through a hollow canopy guard structure.
Fig. 3 is an enlarged view of a portion a of the road bridge tunnel crossing hollow canopy structure.
Fig. 4 is an enlarged view of a road bridge tunnel at a position B in the crossing hollow canopy structure.
Shown in the figure: the device comprises an arc-shaped ceiling 1, a first rotating handle 2, a first transverse plate 3, a vertical rod 4, a lifting mechanism 5, a rack 6, a gear 7, a rotating shaft 8, a square sleeve 9, a sliding rail 10, a connecting rod 11, a traveling wheel 12, a positioning mechanism 13, a second transverse plate 14, a supporting mechanism 15, a threaded rod 16, a supporting bottom plate 17, a supporting frame 18, a sliding block 19, a second rotating handle 20, a supporting rod 21 and a fixing bolt 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, in the embodiment of the utility model, a road and bridge tunnel crossing hollow shed protection structure comprises an arc-shaped roof 1, two support mechanisms 15 are symmetrically arranged at the bottoms of two sides of the arc-shaped roof 1, each support mechanism 15 comprises a first rotating handle 2, a first transverse plate 3, a lifting mechanism 5, a rotating shaft 8, a connecting rod 11, a traveling wheel 12, a positioning mechanism 13 and a second transverse plate 14, the first transverse plate 3 is arranged above the second transverse plate 14, the top of the first transverse plate 3 is fixedly connected with the bottom of the arc-shaped roof 1, the rotating shaft 8 is arranged between the first transverse plate 3 and the second transverse plate 14, the first rotating handle 2 is fixedly sleeved on the rotating shaft 8, the lifting mechanisms 5 are four, the four lifting mechanisms 5 are equidistantly arranged between the first transverse plate 3 and the second transverse plate 14, the top end of the connecting rod 11 is fixedly connected with the bottom of the second transverse plate 14, the bottom end of the connecting rod 11 is fixedly connected with the traveling wheel 12, two positioning mechanisms 13 are symmetrically arranged at the bottom of the second transverse plate 14, the lifting mechanism 5 comprises a vertical rod 4, a rack 6, a gear 7, a square sleeve 9 and a slide rail 10, the bottom end of the square sleeve 9 is fixedly connected with the top of the second transverse plate 14, the top end of the square sleeve 9 is provided with an opening, the square sleeve 9 is rotatably sleeved outside the rotating shaft 8, the slide rail 10 is fixedly connected with the inner wall of one side of the square sleeve 9, one side of the vertical rod 4 is slidably connected with the slide rail 10 through a chute, the rack 6 is fixedly connected with the other side of the vertical rod 4, the gear 7 penetrates through the fixed sleeve and is sleeved outside the rotating shaft 8, the gear 7 and the rack 6 are mutually meshed, the square sleeve 9 is provided with a fixing bolt 22, the square sleeve 9 is in threaded through hole formed through the square sleeve and is in threaded sleeve connection with the fixing bolt 22, one end of the fixing bolt 22 extends into the inner side of the square sleeve 9 and then contacts with one side of the vertical rod 4, the positioning mechanism 13 comprises a threaded rod 16, a supporting bottom plate 17, a supporting frame 18, a sliding block 19, a second rotating handle 20 and a supporting rod 21, the top of the supporting frame 18 is fixedly connected with the bottom of the second transverse plate 14, the sliding block 19 is slidably sleeved on the inner side of the supporting frame 18, the bottom end of the threaded rod 16 is rotatably connected with the bottom of the inner side of the supporting frame 18, the top end of the threaded rod 16 is rotatably penetrated through the second transverse plate 14 and then fixedly connected with the bottom end of the second rotating handle 20, a threaded through hole formed in the sliding block 19 is in threaded sleeve connection with the threaded rod 16, the supporting bottom plate 17 is arranged below the supporting frame 18, four supporting rods 21 are symmetrically arranged, the top ends of the four supporting rods 21 are fixedly connected with the bottom of the sliding block 19, and the bottom ends of the four supporting rods 21 are fixedly connected with the top of the supporting bottom plate 17, the bottom of the supporting frame 18 is provided with a movable through hole for the movement of the supporting rod 21, and the supporting bottom plate 17 is arranged above the walking wheel 12.
The working principle of the utility model is as follows:
when in use, the walking wheels 12 are rotated by pushing the shed protection structure, the shed protection structure is moved, after the shed protection structure is moved to the use site, the second rotating handle 20 in the positioning mechanism 13 is rotated, the threaded rod 16 is driven to rotate by the second rotating handle 20, the threaded rod 16 is in threaded fit with the sliding block 19, the threaded rod 16 is rotated to drive the sliding block 19 to slide downwards along the inner wall of the supporting frame 18, the supporting rod 21 is further driven to move downwards by the sliding block 19, the supporting bottom plate 17 is driven to move downwards by the supporting rod 21 until the supporting bottom plate 17 is in contact with the ground, and meanwhile, the walking wheels 12 are separated upwards from the ground, so that the shed protection structure is stably placed on the ground and is not easy to move, when the height of the arc-shaped ceiling 1 needs to be adjusted, the first rotating handle 2 in the two supporting mechanisms 15 is rotated to drive the gear 7 to rotate, and the gear 7 is in meshed fit with the rack 6, meanwhile, through the sliding fit of the vertical rod 4 and the sliding rail 10, the rotating gear 7 drives the rack 6 to move upwards, the first transverse plate 3 is pushed to move upwards through the rack 6, the arc-shaped ceiling 1 is further pushed to move upwards, the arc-shaped ceiling is moved to the height required to be used, the fixing bolt 22 is rotated, the end part of the fixing bolt 22 is in contact with one side of the vertical rod 4 and extrudes and fixes the vertical rod 4, the vertical rod 4 is kept not to move at the current position, the height of the arc-shaped ceiling 1 is limited by the aid of the height limiting device, and operators can adjust the height of the arc-shaped ceiling 1 according to use requirements.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a road bridge tunnel passes through cavity canopy and protects structure, includes arc ceiling (1), its characterized in that: the two sides of the arc-shaped ceiling (1) are symmetrically provided with two supporting mechanisms (15), each supporting mechanism (15) comprises a first rotating handle (2), a first transverse plate (3), a lifting mechanism (5), a rotating shaft (8), a connecting rod (11), a traveling wheel (12), a positioning mechanism (13) and a second transverse plate (14), the first transverse plate (3) is arranged above the second transverse plate (14), the top of the first transverse plate (3) is fixedly connected with the bottom of the arc-shaped ceiling (1), the rotating shaft (8) is arranged between the first transverse plate (3) and the second transverse plate (14), the first rotating handle (2) is fixedly sleeved on the rotating shaft (8), the four lifting mechanisms (5) are arranged between the first transverse plate (3) and the second transverse plate (14) at equal intervals, the top end of the connecting rod (11) is fixedly connected with the bottom of the second transverse plate (14), the bottom end of the connecting rod (11) is fixedly connected with the traveling wheel (12).
2. The road bridge tunnel crossing hole shed structure according to claim 1, characterized in that: the lifting mechanism (5) comprises a vertical rod (4), a rack (6), a gear (7), a square sleeve (9) and a sliding rail (10).
3. The road, bridge and tunnel crossing hollow canopy guard structure of claim 2, wherein: the bottom end of the square sleeve (9) is fixedly connected with the top of the second transverse plate (14), the top end of the square sleeve (9) is provided with an opening, the square sleeve (9) is rotatably sleeved outside the rotating shaft (8), the sliding rail (10) is fixedly connected on the inner wall of one side of the square sleeve (9), one side of the vertical rod (4) is connected with the sliding rail (10) in a sliding way through a sliding groove, the rack (6) is fixedly connected with the other side of the vertical rod (4), the gear (7) is fixedly sleeved on the outer side of the rotating shaft (8), the gear (7) is meshed with the rack (6), the square sleeves (9) are provided with fixing bolts (22), the square sleeve (9) is in threaded sleeve connection with the fixing bolt (22) through a threaded through hole formed in a penetrating way, one end of the fixing bolt (22) extends into the inner side of the square sleeve (9) and then is in contact with one side of the vertical rod (4).
4. The road bridge tunnel crossing hole shed structure according to claim 1, characterized in that: the positioning mechanism (13) is symmetrically arranged at the bottom of the second transverse plate (14), and comprises a threaded rod (16), a supporting bottom plate (17), a supporting frame body (18), a sliding block (19), a second rotating handle (20) and a supporting rod (21).
5. The road bridge tunnel crossing hole shed structure according to claim 4, characterized in that: the top of the supporting frame body (18) is fixedly connected with the bottom of the second transverse plate (14), the sliding block (19) is sleeved on the inner side of the supporting frame body (18) in a sliding manner, the bottom end of the threaded rod (16) is rotatably connected with the bottom of the inner side of the supporting frame body (18), the top end of the threaded rod (16) is rotatably penetrated through the second transverse plate (14) and then fixedly connected with the bottom end of the second rotating handle (20), the sliding block (19) is in threaded sleeve connection with the threaded rod (16) through a threaded through hole formed in a penetrating manner, the supporting base plate (17) is arranged below the supporting frame body (18), four supporting rods (21) are symmetrically arranged, the top ends of the four supporting rods (21) are fixedly connected with the bottom of the sliding block (19), the bottom ends of the four supporting rods (21) are fixedly connected with the top of the supporting base plate (17), and movable through holes for the supporting rods (21) to move are formed in the bottom of the supporting frame body (18), the supporting bottom plate (17) is arranged above the travelling wheels (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120724512.8U CN215564764U (en) | 2021-04-09 | 2021-04-09 | Road bridge tunnel passes through cavity canopy and protects structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120724512.8U CN215564764U (en) | 2021-04-09 | 2021-04-09 | Road bridge tunnel passes through cavity canopy and protects structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215564764U true CN215564764U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120724512.8U Expired - Fee Related CN215564764U (en) | 2021-04-09 | 2021-04-09 | Road bridge tunnel passes through cavity canopy and protects structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215564764U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961330A (en) * | 2022-06-01 | 2022-08-30 | 中建七局第四建筑有限公司 | Ancient city wall internal structure protection supporting device and using method thereof |
-
2021
- 2021-04-09 CN CN202120724512.8U patent/CN215564764U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961330A (en) * | 2022-06-01 | 2022-08-30 | 中建七局第四建筑有限公司 | Ancient city wall internal structure protection supporting device and using method thereof |
| CN114961330B (en) * | 2022-06-01 | 2023-09-26 | 中建七局第四建筑有限公司 | Ancient city wall inner structure protection supporting device and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220118 |