CN217078247U - Cross-beam supporting, moving and leveling device in jacking construction of existing railway line penetrating downwards - Google Patents
Cross-beam supporting, moving and leveling device in jacking construction of existing railway line penetrating downwards Download PDFInfo
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- CN217078247U CN217078247U CN202220825405.9U CN202220825405U CN217078247U CN 217078247 U CN217078247 U CN 217078247U CN 202220825405 U CN202220825405 U CN 202220825405U CN 217078247 U CN217078247 U CN 217078247U
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- railway line
- jacking construction
- existing railway
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- leveling device
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Abstract
The utility model belongs to the technical field of railway line jacking construction technology and specifically relates to a wear existing railway line jacking construction in violently lift roof beam support and remove levelling device down, including connecting the hood of violently lifting the roof beam bottom, the below of hood is equipped with the top, the below of top is equipped with the pneumatic cylinder that is used for driving the top oscilaltion, the top of top is spherical shape's recess, the bottom of hood is spherical shape's arch, the arch of hood bottom spherical shape with the recess movably laminating of roof top spherical shape is in the same place. The use of the device can greatly save the repeated manual leveling and pad drawing operation in the jacking process to ensure the driving safety. The labor intensity is greatly reduced, and the progress is accelerated; the spherical connection in the device can flexibly adjust the height difference and the angle of different positions so as to ensure the level and the uniform stress of the top cap; the use of self-locking nuts improves the safety of the support.
Description
Technical Field
The utility model belongs to the technical field of railway line jacking construction technique and specifically relates to a wear existing railway line jacking construction under and violently lift roof beam and support removal levelling device.
Background
With the rapid development of railway construction in China, a national railway network basically forms a criss-cross network shape, a second-stage capacity expansion reconstruction project of an existing railway and the connection of a newly-built railway and an existing railway are inevitable, so that construction close to a business line and the existing line is inevitably carried out, in the process of jacking the existing railway of a lower-crossing railway, in order to ensure driving safety, repeated manual leveling and pad drawing operation on a cross-lift beam is required, and the efficiency is low and very unsafe.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at supports to remove levelling device through proposing one kind and wears existing railway line jacking construction middle horizontal lift roof beam down to solve the defect that proposes in the above-mentioned background art.
The utility model adopts the technical scheme as follows: the lifting device comprises a top cap connected to the bottom of a transverse lifting beam, wherein a top head is arranged below the top cap, a hydraulic cylinder used for driving the top head to ascend and descend is arranged below the top head, the top of the top head is a spherical groove, the bottom of the top cap is a spherical bulge, and the spherical bulge at the bottom of the top cap is movably attached to the spherical groove at the top of the top head.
As an optimal technical solution of the utility model: the outer wall of the top is in threaded connection with a self-locking nut, the outer wall of the circumference of the top is sleeved with a locking cushion block, the locking cushion block is located between the self-locking nut and the outer wall of the top between the cylinder bodies of the hydraulic cylinder, the outer wall of the circumference of the top is sleeved with the self-locking nut, and the locking cushion block is located between the self-locking nut and the cylinder body of the hydraulic cylinder.
As an optimal technical solution of the utility model: and the top of the top cap is provided with a clamping groove, and the clamping groove is in clamping fit with the bottom of the cross-beam.
As an optimal technical solution of the utility model: the number of the supporting and moving leveling devices is at least four, and the hydraulic cylinders of the supporting and moving leveling devices are connected through connecting plates.
As an optimal technical solution of the utility model: the connecting plate is fixed with the hydraulic cylinder through a connecting bolt.
As an optimal technical solution of the utility model: the parallel laminating of cylinder body bottom of pneumatic cylinder has the polyethylene tetrafluoro plate, the parallel laminating of bottom of polyethylene tetrafluoro plate has corrosion resistant plate, the parallel laminating of bottom of corrosion resistant plate has the rubber slab.
The utility model discloses simple structure, the simple operation can practice thrift the artifical leveling that the in-process will guarantee driving safety relapse through the use of device greatly and take out the pad operation. The labor intensity is greatly reduced, and the progress is accelerated; the spherical connection in the device can flexibly adjust the height difference and the angle of different positions so as to ensure the level and the uniform stress of the top cap; the use of the self-locking nut improves the safety of the support; the use of connecting plate has improved the stability and the flexibility of support with 4 supporting element solid as an organic whole.
Drawings
Fig. 1 is a schematic overall structure diagram of the preferred embodiment of the present invention;
fig. 2 is a schematic view of a connection structure between the supporting and moving leveling devices in the preferred embodiment of the present invention.
The reference numbers illustrate:
the device comprises a top cap 1, a clamping groove 101, a top head 2, a self-locking nut 3, a locking cushion block 4, a hydraulic cylinder 5, a connecting plate 6, a connecting bolt 7, a polytetrafluoroethylene teflon plate 8, a stainless steel plate 9 and a rubber plate 10.
Detailed Description
It should be noted that, in the present application, features of embodiments and embodiments can be combined with each other without conflict, and the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-2, the preferred embodiment of the present invention provides a leveling device for supporting and moving a cross beam at a frame top during a jacking construction process of an existing railway line passing through a railway. The main effect is that when the train passes through the steel beam in the existing line operation process, the horizontal lifting beam which enables the steel beam to transversely transfer force can realize leveling and supporting functions under the function of the device, so that the operation can be safely guaranteed. Including connecting at the hood 1 that violently lifts the roof beam bottom, the below of hood 1 is equipped with top 2, the below of top 2 is equipped with the pneumatic cylinder 5 that is used for driving 2 oscilaltions in top, the piston rod of pneumatic cylinder 5 passes through the bolt fastening with top 2, the top of top 2 is the recess of sphere shape, the bottom of hood 1 is the arch of sphere shape, the arch of the sphere shape in 1 bottom of hood and the recess movably laminating of the sphere shape in 2 tops of top are in the same place, the connection structure of sphere shape makes at the jacking in-process. The outer wall of the plug 2 is in threaded connection with a self-locking nut 3, the circumferential outer wall of the plug 2 is sleeved with a locking cushion block 4, and the locking cushion block 4 is located between the self-locking nut 3 and a cylinder body of the hydraulic cylinder 5. The structure of the system is divided into the following subsystems: the hydraulic cylinder 5 and the self-locking nut realize the jacking, positioning and locking of large counter force; the top cap 1 and the top head 2 realize angle adjustment and vertical force transmission in the jacking process and the operation process and keep the stress surface of the cross lifting beam in surface contact; the polyethylene tetrafluoro plate 8, the stainless steel plate 9 and the rubber plate 10 realize elastic stress in the action process and increase friction force in the transverse horizontal movement process.
The top of the top cap 1 is provided with a clamping groove 101, and the clamping groove 101 is in clamping fit with the bottom of the cross-lift beam and is used for connecting the cross-lift beam and driving the cross-lift beam to move.
In addition, self-locking nut 3 and locking cushion block 4 cooperate and use, locking cushion block 4 is the tubular structure who forms for assembling by the arc that two structures are the same, set up locking cushion block 4 between self-locking nut 3 and pneumatic cylinder 5, directly install locking cushion block 4 between the top surface of 3 lower surfaces of self-locking nut and pneumatic cylinder 5 cylinder bodies after the piston rod of pneumatic cylinder 5 drives 2 jacking strokes of top, play the supporting role, realize mechanical connection through locking cushion block 4 with self-locking nut 3 and pneumatic cylinder 5, the safety risk of hydraulic support has been improved.
The number of the supporting and moving leveling devices is at least four, preferably four in the embodiment, and the hydraulic cylinders 5 of the supporting and moving leveling devices are connected through a connecting plate 6. The connecting plate 6 is fixed with the hydraulic cylinder 5 through a connecting bolt 7. The hydraulic pump is contracted together to play a role in quick jacking, so that the time is saved, and the efficiency is improved.
The parallel laminating of cylinder body bottom of pneumatic cylinder 5 has polyethylene tetrafluoro plate 8, and the parallel laminating of bottom of polyethylene tetrafluoro plate 8 has corrosion resistant plate 9, and the parallel laminating of bottom of corrosion resistant plate 9 has rubber slab 10. When the polytetrafluoroethylene steel plate 8 and the stainless steel plate 9 are used for jacking the steel beam downwards, the weight-level counter force on the frame is not interfered, the steel beam can freely move with low resistance, the time can be saved, the operation is safe, and the efficiency is improved. The rubber plate 10 simulates the support connection from hard connection to support connection, so that the friction force is increased, and the driving comfort and safety are ensured.
Claims (6)
1. The utility model provides a cross beam supports and removes levelling device in under wear existing railway line jacking construction which characterized in that: including connecting top cap (1) in the horizontal beam bottom of lifting, the below of top cap (1) is equipped with top (2), the below of top (2) is equipped with pneumatic cylinder (5) that are used for driving top (2) oscilaltion, the top of top (2) is the recess of sphere shape, the bottom of top cap (1) is the arch of sphere shape, the arch of top cap (1) bottom sphere shape with the recess movably laminating of top (2) top sphere shape is in the same place.
2. The cross beam supporting and moving leveling device in underpass existing railway line jacking construction as claimed in claim 1, wherein: the outer wall of the ejector head (2) is connected with a self-locking nut (3) in a threaded mode, the outer wall of the circumference of the ejector head (2) is sleeved with a locking cushion block (4), and the locking cushion block (4) is located between the self-locking nut (3) and a cylinder body of the hydraulic cylinder (5).
3. The cross beam supporting and moving leveling device in underpass existing railway line jacking construction as claimed in claim 1, wherein: and a clamping groove (101) is arranged at the top of the top cap (1), and the clamping groove (101) is in clamping fit with the bottom of the transverse lifting beam.
4. The cross beam supporting and moving leveling device in underpass existing railway line jacking construction as claimed in claim 1, wherein: the number of the supporting and moving leveling devices is at least four, and hydraulic cylinders (5) of the supporting and moving leveling devices are connected through connecting plates (6).
5. The cross beam supporting and moving leveling device in the jacking construction of the underpass existing railway line, according to claim 4, is characterized in that: the connecting plate (6) is fixed with the hydraulic cylinder (5) through a connecting bolt (7).
6. The cross beam supporting and moving leveling device in underpass existing railway line jacking construction as claimed in claim 1, wherein: the parallel laminating of cylinder body bottom of pneumatic cylinder (5) has polyethylene tetrafluoro plate (8), the parallel laminating in bottom of polyethylene tetrafluoro plate (8) has corrosion resistant plate (9), the parallel laminating in bottom of corrosion resistant plate (9) has rubber slab (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220825405.9U CN217078247U (en) | 2022-04-11 | 2022-04-11 | Cross-beam supporting, moving and leveling device in jacking construction of existing railway line penetrating downwards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220825405.9U CN217078247U (en) | 2022-04-11 | 2022-04-11 | Cross-beam supporting, moving and leveling device in jacking construction of existing railway line penetrating downwards |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217078247U true CN217078247U (en) | 2022-07-29 |
Family
ID=82555876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220825405.9U Active CN217078247U (en) | 2022-04-11 | 2022-04-11 | Cross-beam supporting, moving and leveling device in jacking construction of existing railway line penetrating downwards |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217078247U (en) |
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2022
- 2022-04-11 CN CN202220825405.9U patent/CN217078247U/en active Active
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