CN210013127U - Tunnel stridees across solution cavity large-span bailey beam construction equipment - Google Patents
Tunnel stridees across solution cavity large-span bailey beam construction equipment Download PDFInfo
- Publication number
- CN210013127U CN210013127U CN201920453041.4U CN201920453041U CN210013127U CN 210013127 U CN210013127 U CN 210013127U CN 201920453041 U CN201920453041 U CN 201920453041U CN 210013127 U CN210013127 U CN 210013127U
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- Prior art keywords
- bailey beam
- tunnel
- support
- span
- karst cave
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Abstract
The utility model discloses a tunnel stridees across solution cavity large-span beiLei roof beam construction equipment. The support comprises a guide support and a hoisting support which are correspondingly arranged on two sides of a karst cave pit; the longitudinal rail is erected between the guide bracket and the lifting bracket, a sliding device is further arranged on the longitudinal rail, and the lower end of the sliding device is fixedly connected with one end, close to the lifting bracket, of the Bailey beam; the transverse rails are respectively paved on the edges of two sides of the karst cave; the traction device is arranged on one side of the hoisting support and is connected with the foremost end of the Bailey beam through a first steel wire rope. According to the utility model discloses a bailey beam construction equipment has solved the tunnel and has met when large-scale solution cavity needs to adopt bridge crossing over mode to pass through, and the limited large-scale crane that can't use in tunnel space carries out the problem of support mounting.
Description
Technical Field
The utility model belongs to the technical field of the construction of bei lei roof beam, especially, relate to a tunnel stridees across solution cavity large-span bei lei roof beam construction equipment.
Background
The karst problem is a worldwide problem, and is often involved in urban development and engineering construction in various countries. The areas of Yunnan, Guangxi, Guangdong, Guizhou, Sichuan and the like in south China are greatly influenced by karst. At present, the research on the influence of karst on the tunnel engineering mostly focuses on the influence of karst caves on a stress field and a deformation field of tunnel surrounding rocks, namely the deformation, cracking and instability of the tunnel surrounding rocks and a supporting structure caused by the karst caves, and the research on the treatment scheme of the tunnel passing through the large karst caves is less involved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tunnel stridees across solution cavity large-span beiLei roof beam construction equipment, when having solved the tunnel and having met large-scale solution cavity and need adopt bridge crossing mode to pass through, the limited large-scale crane that can't use in tunnel space carries out the problem of support mounting.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a tunnel strides across karst cave large-span bei lei roof beam construction equipment which including:
the support comprises a guide support and a lifting support which are correspondingly arranged on two sides of the karst cave pit, the lifting support is hinged with the ground, and the Bailey beam penetrates through the guide support and moves towards the lifting support;
the longitudinal rail is erected between the guide bracket and the lifting bracket, the longitudinal rail is used for guiding the longitudinal movement direction of the Bailey beam, a sliding device is further arranged on the longitudinal rail, and the lower end of the sliding device is fixedly connected with one end, close to the lifting bracket, of the Bailey beam;
the transverse rails are respectively paved on the edges of two sides of the cave-in pit and used for guiding the transverse moving direction of the Bailey beam;
the traction device is arranged on one side of the hoisting support and is connected with the foremost end of the Bailey beam through a first steel wire rope.
Preferably, an obliquely placed guide plate is arranged between the guide bracket and the transverse rail, and the guide plate is used for supporting the tail end of the bailey beam and guiding the downward sliding direction of the bailey beam.
Preferably, the longitudinal rail is two second steel wire ropes parallel to each other, and two ends of the second steel wire ropes respectively penetrate through pulleys on the guide bracket and the lifting bracket and are fixed on the ground.
Preferably, the transverse rails are two parallel placed sleepers.
Preferably, a steel pipe is placed on the sleeper beam.
Preferably, the traction device is a winch.
Preferably, one side of the guide bracket is further provided with a brake device, and the brake device is connected with the rear part of the bailey beam through a third steel wire rope.
Preferably, the brake device is a second winding machine.
Compared with the prior art, the utility model discloses following beneficial effect can produce:
1. the support comprises a guide support and a lifting support which are correspondingly arranged on two sides of the karst cave pit, a longitudinal rail is erected between the guide support and the lifting support, the longitudinal rail is used for guiding the longitudinal movement direction of the Bailey beam, a sliding device is further arranged on the longitudinal rail, the lower end of the sliding device is fixedly connected with one end, close to the lifting support, of the Bailey beam, and the front end of the Bailey beam can be suspended and lifted through the sliding device; the traction device is arranged on one side of the hoisting support and is connected with the foremost end of the Bailey beam through a first steel wire rope, the Bailey beam can be pulled to move longitudinally through the dragging and the traction of the traction device, and the Bailey beam is movably erected above the karst hole.
2. The lifting support is hinged to the ground, so that the lifting support can be longitudinally turned over at a small angle, the Bailey beam can shake when the sliding devices on the two second steel wire ropes move asynchronously, but the second steel wire ropes can fall down at a small amplitude when the lifting support tilts forwards, the sliding devices can be buffered, the sliding devices can move synchronously, and the Bailey beam is effectively prevented from shaking in the moving process.
3. The transverse rails are respectively laid on the edges of two sides of the karst cave, the transverse rails are two sleeper beams which are arranged in parallel, steel pipes are further arranged on the sleeper beams, the transverse rails are used for guiding the transverse moving direction of the Bailey beams, and the transverse position of the Bailey beams above the karst cave can be adjusted in a labor-saving mode through rolling of the steel pipes.
4. Be equipped with the deflector that the slope was placed between guide bracket and the horizontal track, the deflector is used for supporting the tail end of bailey beam and guides its gliding direction, can make the gliding of bailey beam more laborsaving.
5. One side of guide bracket still is provided with brake equipment, brake equipment passes through the third wire rope and is connected with the rear portion of bailey roof beam, draws through brake equipment and to drag and to adjust the speed of bailey roof beam longitudinal movement, makes the removal of bailey roof beam safe and reliable more.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a guide bracket;
FIG. 3 is a schematic structural view of a traction support;
FIG. 4 is a schematic structural view of a guide plate;
fig. 5 is a schematic structural view of a beret beam.
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.
Referring to fig. 1-5, it can be seen that there is a large pile number 1 on the right side of the karst cave pit 3, there is a small pile number 2 on the left side of the karst cave pit 3 (the large pile number and the small pile number are used as common terms in the tunnel construction process), there is a portal-shaped guide bracket 4 on the side frame of the large pile number 1, the bottom of the guide bracket 4 is welded with a steel plate 509, the steel plate 509 is fixed on the ground by anchor bolts 511, there is a triangular hoisting bracket 5 on the side frame of the small pile number 2, the bottom of the hoisting bracket 5 is hinged on a lifting lug 510 on the steel plate 509 by bolts 14, the hoisting bracket 5 is made of square steel by welding, the bottom of the hoisting bracket 5 is a plane structure and is about 2mm away from the steel plate 509, so the hoisting bracket 5 can be turned over at a small angle, there are an upper beam 504, a middle beam 505 and a lower beam 506 in the middle beam 505, and there is a first, a second reinforcing rod 507 is arranged between the middle beam 505 and the upper beam 504, two parallel second steel wire ropes 6 are horizontally erected between the guide bracket 4 and the lifting bracket 5, the second steel wire ropes 6 respectively penetrate through the double-row pulleys 401 on the guide bracket 4 and the lower pulleys 503 on the lifting bracket, and two end points of the second steel wire ropes 6 are respectively fixed on the large pile number 1 side and the small pile number 2 side through foundation bolts; the Bailey beam 7 passes through the inside of the guide support 4 and moves towards the hoisting support 5, the left front end of the Bailey beam 7 is fixedly connected with steel ropes at the lower ends of the two sliding wheels 10, so that the front part of the Bailey beam 7 is hung below the second steel wire ropes 6, the two sliding wheels 10 are respectively placed on the two second steel wire ropes 6 and can slide along the second steel wire ropes 6, a first steel wire rope of a first winch bypasses the guide wheel 16 fixed on the ground of the small pile number 2, the middle pulley 502 on the hoisting support 5 and the chain block 18 fixedly connected to the front end of the Bailey beam, and is finally fixedly connected to the reversing wheel 17, the left end of the fixed rope 22 is fixed on the ground of the small pile number 2 through anchor bolts, and the right end of the fixed rope bypasses the upper pulley 501 of the hoisting support 5 and is fixedly connected with the reversing wheel 17.
It can also be seen that the tail end of the bailey beam 7 is placed on the guide plate 8, the guide plate 8 is obliquely fixed on the guide bracket 4 and the sleeper beam 9 bracket, the lower part of the guide plate 8 is provided with a plurality of supporting beams 13 for supporting, the ground of the large pile number 1 is provided with a second winch 12 for braking,
a third steel wire rope 20 of the second winch 12 sequentially bypasses a supporting pulley 402 on the guide bracket 4, a second reversing wheel 19 and a double-row pulley 401 on the guide bracket 4, and is finally fixed on the ground of the large pile number 1 through foundation bolts; in addition, a second reinforcing plate 15 is welded to the right side of the guide bracket 4.
When the double-winch-type chain pulling device works, the front end of the Bailey beam 7 penetrates through the guide support 4, then the front end of the Bailey beam 7 is respectively and fixedly connected with the steel rope at the lower end of the pulley 10 and the steel rope at the front end of the chain block 18, then the middle part of the Bailey beam 7 is fixedly connected with the steel rope at the front end of the second reversing wheel 19, finally the first winch 11 and the second winch 12 are controlled to work simultaneously, the first winch 11 plays a forward traction role on the Bailey beam 7, the second winch 12 plays a backward traction role on the Bailey beam 7, when the force of the first winch 11 is larger than that of the second winch 12, the Bailey beam 7 moves forwards, when the force of the first winch 11 is equal to that of the second winch 12, the Bailey beam 7 keeps static, and when the force of the first winch 11 is smaller than that of the second winch 12, the Bailey beam 7 moves backwards; the Bailey beam 7 is moved to the sleeper beam 9 above the karst cave pit 3 under the action of the first winch 11 and the second winch 12, then the steel ropes connected to the Bailey beam 7 are detached, finally the transverse position of the Bailey beam 7 is adjusted in a manual pushing mode, and the like until all the Bailey beams 7 are installed.
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 (8)
1. The utility model provides a tunnel strides across karst cave large-span bei lei roof beam construction equipment which characterized in that, it is including:
the support comprises a guide support and a lifting support which are correspondingly arranged on two sides of the karst cave pit, the lifting support is hinged with the ground, and the Bailey beam penetrates through the guide support and moves towards the lifting support;
the longitudinal rail is erected between the guide bracket and the lifting bracket, the longitudinal rail is used for guiding the longitudinal movement direction of the Bailey beam, a sliding device is further arranged on the longitudinal rail, and the lower end of the sliding device is fixedly connected with one end, close to the lifting bracket, of the Bailey beam;
the transverse rails are respectively paved on the edges of two sides of the cave-in pit and used for guiding the transverse moving direction of the Bailey beam;
the traction device is arranged on one side of the hoisting support and is connected with the foremost end of the Bailey beam through a first steel wire rope.
2. The construction device for the large-span Bailey beam for the tunnel to cross the karst cave according to claim 1, wherein a guide plate is obliquely arranged between the guide bracket and the transverse rail, and the guide plate is used for supporting the tail end of the Bailey beam and guiding the sliding direction of the Bailey beam.
3. The construction device for the large-span bailey beam for a tunnel to cross a karst cave according to claim 1, wherein the longitudinal rails are two second steel wire ropes parallel to each other, and two ends of the second steel wire ropes respectively pass through the pulleys on the guide bracket and the lifting bracket and are fixed on the ground.
4. The large-span bailey beam construction device for a tunnel across a karst cave according to claim 1, wherein the transverse rails are two parallel sleepers.
5. The construction device for the large-span bailey beam for the tunnel to cross the karst cave according to claim 4, wherein steel pipes are placed on the sleeper beams.
6. The construction device for the large-span bailey beam for the tunnel crossing karst caves according to claim 1, wherein the traction device is a first winch.
7. The construction device for the large-span Bailey beam spanning a karst cave in the tunnel according to claim 1, wherein a brake device is further arranged on one side of the guide bracket, and the brake device is connected with the rear part of the Bailey beam through a third steel wire rope.
8. The construction device for the large-span bailey beam for a tunnel crossing karst cave according to claim 7, wherein the brake device is a second winch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920453041.4U CN210013127U (en) | 2019-04-04 | 2019-04-04 | Tunnel stridees across solution cavity large-span bailey beam construction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920453041.4U CN210013127U (en) | 2019-04-04 | 2019-04-04 | Tunnel stridees across solution cavity large-span bailey beam construction equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210013127U true CN210013127U (en) | 2020-02-04 |
Family
ID=69314549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920453041.4U Expired - Fee Related CN210013127U (en) | 2019-04-04 | 2019-04-04 | Tunnel stridees across solution cavity large-span bailey beam construction equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210013127U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958059A (en) * | 2019-04-04 | 2019-07-02 | 中交一公局第四工程有限公司 | Solution cavity large span Bailey beam constructing device is crossed in a kind of tunnel |
-
2019
- 2019-04-04 CN CN201920453041.4U patent/CN210013127U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958059A (en) * | 2019-04-04 | 2019-07-02 | 中交一公局第四工程有限公司 | Solution cavity large span Bailey beam constructing device is crossed in a kind of tunnel |
| CN109958059B (en) * | 2019-04-04 | 2024-06-18 | 中交一公局第四工程有限公司 | Large-span Bailey beam construction device for tunnel crossing karst cave |
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| 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: 20200204 Termination date: 20210404 |
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| CF01 | Termination of patent right due to non-payment of annual fee |