CN210919052U - Reset device for large torsion of shield starting - Google Patents
Reset device for large torsion of shield starting Download PDFInfo
- Publication number
- CN210919052U CN210919052U CN201921364990.1U CN201921364990U CN210919052U CN 210919052 U CN210919052 U CN 210919052U CN 201921364990 U CN201921364990 U CN 201921364990U CN 210919052 U CN210919052 U CN 210919052U
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- shield
- plate
- fixing piece
- jack
- parallel
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- 238000009434 installation Methods 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000008030 elimination Effects 0.000 abstract description 2
- 238000003379 elimination reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000000977 initiatory effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model relates to a shield constructs construction technical field, discloses a reset device that is used for shield to construct to originate and twist reverse greatly. The lifting jack device comprises a supporting base placed on the ground, wherein a lifting jack is placed at the upper end of the supporting base; the working end of the jack is matched with a jacking mechanism, the jacking mechanism comprises a bottom plate, two supporting plates perpendicular to the bottom plate are arranged on the bottom plate in parallel, and inclined planes matched with the side faces of the shield body of the shield machine are arranged on the supporting plates. By the structure, the twisted shield body is recovered to be normal within 3 days, secondary smooth starting of the shield is ensured, the risk that the shield machine cannot start for a long time is reduced, the capability and the technology of risk prejudgment and risk elimination are provided for starting of the shield, meanwhile, precious experience is provided for starting of similar shields, and the popularization and application prospect is good.
Description
Technical Field
The utility model relates to a shield constructs construction technical field, and specifically speaking relates to a reset device that is used for shield to construct to originate and twists reverse greatly.
Background
With the rapid growth of Chinese economy and the rapid expansion of urban population, the number of motor vehicles increases in a series proportion, and the original municipal roads are more and more difficult to meet the traffic requirements. In order to relieve urban traffic pressure and create good living and investment environments, subway projects are selected to be built in each main city in China to improve urban image and investment environment. In recent years, due to the progress of urban rail transit construction technology in China, the mechanical production technology and the construction level are improved, so that urban rail transit construction in China is developed rapidly, and various cities can construct subways more quickly. At present, the urban subway tunnel in China is constructed by adopting a shield method, and the shield method has the advantages of high construction speed, small environmental influence, no limitation of the tunneling on the stratum, wide applicable stratum soil property range and the like; however, in the process of tunnel excavation, shield initiation is the link with the greatest risk in shield construction, particularly in the process of shield tunneling, engineering accidents are most likely to occur and are more serious accidents, and large torsion of a shield initiation shield body is also one of risks.
In the process of starting the shield, a reinforced area needs to be ground, at the moment, a high requirement is provided for the torsion prevention of the shield machine, and once the torsion prevention device is not firm or cannot resist the side turning force of the shield body, the shield machine is twisted.
SUMMERY OF THE UTILITY MODEL
The shield body to existence among the prior art takes place to twist reverse greatly and can't reset, leads to the defect that the shield constructs the unable system of originating, the utility model provides a reset device for the shield constructs to originate to twist reverse greatly. The resetting of the large torsion of the shield body of the shield machine can be realized, and the effect of starting the shield machine again is facilitated.
In order to solve the above technical problem, the present invention solves the above technical problems.
A resetting device for starting large torsion of a shield comprises a supporting base placed on the ground, wherein a jack is placed at the upper end of the supporting base; the working end of the jack is matched with a jacking mechanism, the jacking mechanism comprises a bottom plate, two supporting plates perpendicular to the bottom plate are arranged on the bottom plate in parallel, and inclined planes matched with the side faces of the shield body of the shield machine are arranged on the supporting plates.
Through the structure, the inclined plane of the jacking mechanism is connected with the side surface of the shield body of the shield machine which is twisted through welding, so that the jacking mechanism can be preferably fixed on the shield body of the shield machine; fixing a support base on the ground below the jacking mechanism, and placing a 200T jack on the support base; controlling the working end of the jack to jack the bottom plate, so that the twisted shield body of the shield machine is reset, and the shield machine is ensured to start again; meanwhile, the jacking mechanism welded on the shield body of the shield machine can be cut off from the shield body of the shield machine and welded on the shield body of the shield machine again, so that the resetting device can be repeatedly used; through the utility model discloses in above-mentioned technical scheme, make the torsional shield body recover normally in 3 days, guaranteed that the secondary of shield structure is originated smoothly, reduced the risk that the shield constructs the machine and can not be originated for a long time, for the shield structure is originated and is provided ability and the technique that risk prejudgement and risk were eliminated, simultaneously, also provide the valuable experience for similar shield structure is originated, popularization and application prospect is good.
Preferably, the supporting base comprises 3 parallel plates which are sequentially arranged in parallel from top to bottom, 2 vertical plates are arranged between the 3 parallel plates in parallel, a fixed fixing piece which is arranged on the parallel plates and fixed on the upper plate surface of the parallel plate above the fixed fixing piece is provided with a first clamping groove matched with the side surface of the jack, and two ends of the fixed fixing piece extend outwards to form a fixed mounting part; the fixing mechanism further comprises a movable fixing piece which can slide on the upper plate surface of the parallel plate and is matched with the fixed fixing piece, a second clamping groove is arranged on the movable fixing piece corresponding to the first clamping groove, the first clamping groove and the second clamping groove are matched with each other to fix the jack on the parallel plate positioned above, the two ends of the movable fixing piece extend outwards to form a movable installation part matched with the fixed installation part, and the fixed installation part is connected with the movable installation part through bolts.
In the utility model, through the arrangement of the structure, the 3 parallel plates and the 2 vertical plates are in an integrated structure, so that the strength of the support base is enhanced; the jack is clamped and fixed by the fixed fixing piece and the movable fixing piece through the first clamping groove and the second clamping groove through the arrangement of the movable fixing piece, the fixed fixing piece and the bolt, and the jack is fixed when the fixed fixing piece and the fixed fixing piece are connected together through the bolt, so that the jack is preferably prevented from being separated from the supporting base in the working process; wherein, because the movable fixing piece can move, thereby the dismouting of jack on the support base has been made things convenient for better.
Preferably, the upper plate surface of the upper parallel plate is provided with a sliding groove with a T-shaped section along the sliding direction of the movable fixing piece; the lower side surface of the movable fixing piece is provided with a sliding block matched with the sliding groove.
The utility model discloses in, through the setting of sliding tray and slider for the slider slides in the sliding tray and makes the movable fixing part obtain the restriction, makes it can move on the parallel plate and can not break away from the parallel plate, makes the cooperation of movable fixing part and fixed fixing part better.
Preferably, the opposite side surfaces of the parallel plates positioned below are provided with sliding cavities, and the opposite side walls of the sliding cavities are provided with limiting grooves; the sliding cavity is internally provided with a side plate which can slide and extends out of the sliding cavity, and the side plate is positioned on the side surface in the sliding cavity and is provided with a limiting column corresponding to the limiting groove at the end part.
In the utility model, the side plate can be contracted in the sliding cavity through the arrangement of the sliding cavity and the side plate, so that the supporting base is positioned on the ground with soft hardness, and the side plate extends out of the sliding cavity to increase the area of the parallel plate positioned below, so that the supporting base can be better fixed on the ground; the limiting columns and the limiting grooves are arranged, so that the limiting columns are located in the limiting grooves to limit the side plates, and the side plates cannot be separated from the sliding cavity.
Preferably, the plate surface of the side plate extending out of the sliding cavity is provided with a mounting hole.
The utility model discloses in, through the setting of mounting hole for at subaerial installation expansion pipe, and pass the mounting hole with the bolt and connect and make the curb plate obtain further fixed subaerial at the expansion pipe, thereby make the supporting pedestal obtain further fixed subaerial.
Preferably, the lower plate surface of the bottom plate is provided with a jacking groove corresponding to the working end of the jack.
The utility model discloses in, through the setting in jack-up groove for when the work end of jack stretched into the jack-up inslot and carried out jack-in to the bottom plate, the jack can cooperate with jack-up mechanism better.
Preferably, a reinforcing plate is welded between the support plates, preferably to enhance the strength of the jack-up mechanism.
Drawings
FIG. 1 is a schematic diagram showing the operation principle of a resetting device for shield starting large torsion in embodiment 1;
fig. 2 is a schematic structural view of a resetting device in embodiment 1;
FIG. 3 is a schematic structural view of a support base in embodiment 1;
FIG. 4 is a schematic half-sectional view of the jack-up mechanism in embodiment 1;
fig. 5 is an enlarged schematic view of a in fig. 2.
The names of the parts indicated by the numerical references in the drawings are as follows: 100. a shield body of the shield machine; 110. a support base; 120. a jack; 130. a jack-up mechanism; 211. a base plate; 212. a support plate; 213. an inclined surface; 214. a reinforcing plate; 221. parallel plates; 222. a sliding groove; 231. a vertical plate; 241. a side plate; 242. mounting holes; 311. fixing the fixing piece; 312. a first card slot; 313. a fixed mounting part; 321. a movable fixing member; 322. a second card slot; 323. a movable mounting part; 331. a bolt; 341. a sliding cavity; 342. a limiting groove; 411. jacking up the groove; 511. a limiting column.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention only and are not limiting.
Example 1
As shown in fig. 1 to 5, the present embodiment provides a resetting device for initiating a large torsion by a shield, which includes a support base 110 placed on the ground, and a jack 120 is placed on the upper end of the support base 110; the working end of the jack 120 is matched with a jacking mechanism 130, the jacking mechanism 130 comprises a bottom plate 211, two supporting plates 212 perpendicular to the bottom plate 211 are arranged on the bottom plate 211 in parallel, and inclined surfaces 213 matched with the side surfaces of the shield body 100 of the shield machine are arranged on the supporting plates 212.
With the above-described structure in the present embodiment, the inclined surface 213 of the jack-up mechanism 130 and the side surface of the shield body 100 that is twisted are connected by welding, so that the jack-up mechanism 130 can be preferably fixed to the shield body 100; fixing the support base 110 on the ground under the jacking mechanism 130 and placing the 200T jack 120 on the support base 110; controlling the working end of the jack 120 to jack the bottom plate 211, so that the twisted shield body 100 of the shield machine is reset, and the shield machine is ensured to start again; meanwhile, in the embodiment, the jacking mechanism welded on the shield body 100 of the shield machine can be cut off from the shield body 100 of the shield machine and welded on the shield body 100 of the shield machine again, so that the resetting device can be used repeatedly. In the embodiment, the structure is adopted, so that the twisted shield body is recovered to be normal within 3 days, secondary smooth starting of the shield is ensured, the risk that the shield machine cannot be started for a long time is reduced, the capability and the technology of risk prejudgment and risk elimination are provided for starting the shield, meanwhile, precious experience is provided for starting similar shields, and the popularization and application prospect is good.
In this embodiment, the supporting base 110 includes 3 parallel plates 221 sequentially disposed in parallel from top to bottom, 2 vertical plates 231 are disposed in parallel between the 3 parallel plates 221, a fixing and fixing member 311 disposed on the parallel plate 221 is fixed on an upper plate surface of the upper parallel plate 221, a first engaging groove 312 engaged with a side surface of the jack 120 is disposed on the fixing and fixing member 311, and two ends of the fixing and fixing member 311 extend outward to form a fixing and mounting portion 313; the fixing mechanism further comprises a movable fixing part 321 which can slide on the upper plate surface of the parallel plate 221 and is matched with the fixed fixing part 311, a second clamping groove 322 is arranged on the movable fixing part 321 corresponding to the first clamping groove 312, the first clamping groove 312 is matched with the second clamping groove 322 to fix the jack 120 on the parallel plate 221 above, two ends of the movable fixing part 321 extend outwards to form a movable installation part 323 matched with the fixed installation part 313, and the fixed installation part 313 and the movable installation part 323 are connected through a bolt 331.
In the present embodiment, the 3 parallel plates 221 and the 2 vertical plates 231 are integrally constructed, so that the strength of the support base 110 is enhanced; through the arrangement of the movable fixing piece 321, the fixed fixing piece 311 and the bolt 331, the fixed fixing piece 311 and the movable fixing piece 321 clamp and fix the jack 120 through the first clamping groove 312 and the second clamping groove 322, and the jack 120 is fixed when the fixed fixing piece 311 and the movable fixing piece 321 are connected together through the bolt 331, so that the jack 120 is preferably prevented from being separated from the support base 110 in the working process; wherein, the movable fixing member 321 can move, so as to preferably facilitate the assembling and disassembling of the jack 120 on the support base 110.
In this embodiment, a sliding groove 222 with a T-shaped cross section is disposed on the upper plate surface of the upper parallel plate 221 along the sliding direction of the movable fixing member 321; the lower side surface of the movable fixing member 321 is provided with a slider engaged with the sliding groove 222.
Through the arrangement of the sliding groove 222 and the slider in this embodiment, the slider slides in the sliding groove 222 to limit the moving fixing member 321, so that it can move on the upper parallel plate 221 without departing from the parallel plate 221, preferably to match the moving fixing member 321 with the fixed fixing member 311.
In this embodiment, the opposite side surfaces of the lower parallel plate 221 are provided with sliding cavities 341, and the opposite side walls of the sliding cavities 341 are provided with limiting grooves 342; a side plate 241 which can slide and extends out of the sliding cavity 341 is arranged in the sliding cavity 341, and the side plate 241 is positioned on the side surface in the sliding cavity 341 and positioned at the end part and is provided with a limit column 511 corresponding to the limit groove 342.
Through the arrangement of the sliding cavity 341 and the side plate 241 in the present embodiment, the side plate 241 can be retracted into the sliding cavity 341, and further when the support base 110 is located on the ground with soft hardness, the area of the parallel plate 221 located below can be increased by the side plate 241 extending out of the sliding cavity 341, so that the support base 110 can be better fixed on the ground; the positioning of the position-limiting column 511 and the position-limiting groove 342 makes the position-limiting column 511 in the position-limiting groove 342 to limit the side plate 241, so that the side plate does not separate from the sliding cavity 341.
In this embodiment, the plate surface of the side plate 241 extending out of the sliding cavity 341 is provided with a mounting hole 242.
The installation of the expansion pipe on the ground through the installation holes 242 in this embodiment and the connection of the expansion pipe through the installation holes 242 with bolts enable the side plate 241 to be further fixed on the ground, thereby further fixing the support base 110 on the ground.
In this embodiment, the lower plate surface of the bottom plate 211 is provided with a jacking slot 411 corresponding to the working end of the jack 120.
Through the arrangement of the jacking slot 411 in this embodiment, when the working end of the jack 120 extends into the jacking slot 411 to jack the bottom plate 211, the jack 120 can be better matched with the jacking mechanism 130.
In this embodiment, a reinforcing plate 214 is welded between the supporting plates 212, preferably to enhance the strength of the jacking mechanism 130.
When the resetting device for starting the large torsion of the shield in the embodiment is used specifically, the inclined surface 213 corresponds to the side surface of the shield body 100 of the shield machine with the torsion and the jacking mechanism 130 is connected to the shield body 100 of the shield machine in a welding manner; the fixed fixing piece 311 and the movable fixing piece 321 are clamped with the jack 120, and the jack 120 can be installed on the support base 110 through the bolt 331; the working end of the jack 120 is pushed into the jacking mechanism 130 corresponding to the jacking groove 411, so that the shield body 100 of the shield machine with large torsion is reset, and the shield machine can be started again conveniently.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.
Claims (7)
1. A reset device for shield starting large torsion is characterized in that: comprises a supporting base (110) placed on the ground, wherein a jack (120) is placed at the upper end of the supporting base (110); the working end of the jack (120) is matched with a jacking mechanism (130), the jacking mechanism (130) comprises a bottom plate (211), two supporting plates (212) which are perpendicular to the bottom plate (211) are arranged on the bottom plate (211) in parallel, and inclined surfaces (213) which are matched with the side surfaces of the shield body (100) of the shield machine are arranged on the supporting plates (212).
2. The resetting device for shield launching large torsion according to claim 1, wherein: the supporting base (110) comprises 3 parallel plates (221) which are sequentially arranged in parallel from top to bottom, 2 vertical plates (231) are arranged between the 3 parallel plates (221) in parallel, a fixed fixing piece (311) which is arranged on the parallel plate (221) is fixedly arranged on the upper plate surface of the parallel plate (221) which is positioned above the fixed fixing piece (311), a first clamping groove (312) which is matched with the side surface of the jack (120) is arranged on the fixed fixing piece (311), and two ends of the fixed fixing piece (311) extend outwards to form a fixed mounting part (313); the fixing mechanism further comprises a movable fixing piece (321) which can slide on the upper plate surface of the parallel plate (221) and is matched with the fixed fixing piece (311), a second clamping groove (322) is formed in the movable fixing piece (321) corresponding to the first clamping groove (312), the first clamping groove (312) is matched with the second clamping groove (322) to fix the jack (120) on the parallel plate (221) located above, the two ends of the movable fixing piece (321) extend outwards to form a movable installation part (323) matched with the fixed installation part (313), and the fixed installation part (313) and the movable installation part (323) are connected through a bolt (331).
3. The resetting device for shield launching large torsion according to claim 2, wherein: a sliding groove (222) with a T-shaped section is arranged on the upper plate surface of the upper parallel plate (221) along the sliding direction of the movable fixing piece (321); the lower side surface of the movable fixing piece (321) is provided with a slide block matched with the slide groove (222).
4. The resetting device for shield launching large torsion according to claim 2, wherein: the opposite side surfaces of the parallel plate (221) positioned below are provided with sliding cavities (341), and the opposite side walls of the sliding cavities (341) are provided with limit grooves (342); a side plate (241) which can slide and extends out of the sliding cavity (341) is arranged in the sliding cavity (341), and a limit column (511) is arranged on the side face of the side plate (241) in the sliding cavity (341) and at the end part of the side plate corresponding to the limit groove (342).
5. The resetting device for shield launching large torsion according to claim 4, wherein: the surface of the side plate (241) extending out of the sliding cavity (341) is provided with a mounting hole (242).
6. The resetting device for shield launching large torsion according to claim 1, wherein: the lower plate surface of the bottom plate (211) is provided with a jacking groove (411) corresponding to the working end of the jack (120).
7. The resetting device for shield launching large torsion according to claim 1, wherein: a reinforcing plate (214) is welded between the supporting plates (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921364990.1U CN210919052U (en) | 2019-08-22 | 2019-08-22 | Reset device for large torsion of shield starting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921364990.1U CN210919052U (en) | 2019-08-22 | 2019-08-22 | Reset device for large torsion of shield starting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210919052U true CN210919052U (en) | 2020-07-03 |
Family
ID=71343520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921364990.1U Withdrawn - After Issue CN210919052U (en) | 2019-08-22 | 2019-08-22 | Reset device for large torsion of shield starting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210919052U (en) |
-
2019
- 2019-08-22 CN CN201921364990.1U patent/CN210919052U/en not_active Withdrawn - After Issue
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Granted publication date: 20200703 Effective date of abandoning: 20240306 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200703 Effective date of abandoning: 20240306 |