CN110939126A - Locking mechanism of prefabricated underground continuous wall - Google Patents

Locking mechanism of prefabricated underground continuous wall Download PDF

Info

Publication number
CN110939126A
CN110939126A CN201911422611.4A CN201911422611A CN110939126A CN 110939126 A CN110939126 A CN 110939126A CN 201911422611 A CN201911422611 A CN 201911422611A CN 110939126 A CN110939126 A CN 110939126A
Authority
CN
China
Prior art keywords
locking
underground continuous
prefabricated underground
continuous wall
prefabricated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911422611.4A
Other languages
Chinese (zh)
Inventor
丁先立
欧飞奇
农兴中
史海欧
项宝
王冉
赵德刚
邓剑荣
周前
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Metro Design and Research Institute Co Ltd
Original Assignee
Guangzhou Metro Design and Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Metro Design and Research Institute Co Ltd filed Critical Guangzhou Metro Design and Research Institute Co Ltd
Priority to CN201911422611.4A priority Critical patent/CN110939126A/en
Publication of CN110939126A publication Critical patent/CN110939126A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/20Bulkheads or similar walls made of prefabricated parts and concrete, including reinforced concrete, in situ
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/16Arrangement or construction of joints in foundation structures

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)

Abstract

The invention relates to the field of underground continuous wall structures, in particular to a locking mechanism of a prefabricated underground continuous wall, which is provided with an active inserting component and a passive inserting component, wherein a locking joint of the active inserting component can slide along a guide rail under the driving of a driving device, so that the locking joint can move towards the outer side of a first prefabricated underground continuous wall in the horizontal direction, an anti-disengaging part is movably arranged in a locking slot of the passive inserting component, after the first prefabricated underground continuous wall and a second prefabricated underground continuous wall are horizontally and adjacently arranged, the locking joint extends into the locking slot of the second prefabricated underground continuous wall, the anti-disengaging part abuts against the locking joint to prevent the locking joint from disengaging from the locking slot, the quick connection of the two adjacent prefabricated underground continuous walls is realized, and the tensile property of the connecting part of the underground continuous walls can be effectively improved by the locking joint and the locking slot.

Description

Locking mechanism of prefabricated underground continuous wall
Technical Field
The invention relates to the field of underground continuous wall structures, in particular to a locking mechanism of a prefabricated underground continuous wall.
Background
The existing underground continuous wall is generally constructed in a cast-in-place mode, namely, grooving operation is firstly carried out on the ground through a grooving machine, then a reinforcement cage which is bound in advance is hoisted into a groove, concrete grout is injected into the groove, and after the concrete is solidified, the concrete is tightly combined with the reinforcement cage to form the underground continuous wall. However, in-situ casting is difficult to ensure the proportion of concrete, the casting site environment is not controllable, and foreign matters are easy to invade into unset concrete, so that the underground continuous wall cannot reach the design index, and potential safety hazards are left for later construction.
In order to ensure the quality of the underground continuous wall and improve the construction efficiency, a plurality of prefabricated wallboards are prefabricated, the production environment of the prefabricated wallboards can be controlled by a prefabricating factory, and the concrete of the prefabricated wallboards is accurately proportioned.
After grooving operation is completed by a grooving machine, the prefabricated wall boards are directly hoisted into the grooves, and then the two horizontally adjacent prefabricated wall boards are connected in a form of pouring concrete in situ.
However, it is difficult to stably connect the prefabricated wall panels by pouring concrete only at the connecting joints between two adjacent prefabricated wall panels, and the connecting manner of such prefabricated wall panels is difficult to meet the design index of the underground continuous wall due to poor tensile property of concrete. In addition, in the process of pouring the connecting seam, because the two prefabricated wall panels lack temporary connecting members, when the concrete in the connecting seam is not solidified, the two prefabricated wall panels still have the risk of offset dislocation.
Disclosure of Invention
In order to solve the above problems, it is an object of the present invention to provide a locking mechanism of a prefabricated underground continuous wall to solve the problem of the lack of transverse connecting members of the prefabricated underground continuous wall.
Based on the above, the invention provides a locking mechanism of a prefabricated underground continuous wall, which comprises an active plug-in component and a passive plug-in component;
the active inserting assembly comprises a locking joint, a guide rail and a driving device, wherein the guide rail and the driving device are fixedly connected to the first prefabricated underground continuous wall;
the passive splicing assembly comprises a locking slot arranged on the second prefabricated underground continuous wall and an anti-falling part arranged on the inner side wall of the locking slot, and the anti-falling part comprises an anti-falling part movably connected to the locking slot;
the anti-release piece abuts against the free end of the locking joint after the free end of the locking joint extends into the locking slot.
Preferably, the anti-falling part is provided with a guide inclined plane, and the guide inclined plane and the inner side wall of the locking slot are obliquely arranged.
Preferably, the anti-slip part further comprises an elastic member, and two ends of the elastic member are respectively connected to the anti-slip member and the locking slot.
Preferably, a guide sliding groove is formed in the inner side wall of the locking slot, a guide sliding block is arranged on the anti-falling part, and the guide sliding block is slidably embedded in the guide sliding groove.
Preferably, the guide rail is horizontally arranged.
Preferably, the first prefabricated underground continuous wall is provided with a plurality of active plug-in components which are sequentially arranged from top to bottom, and the second prefabricated underground continuous wall is provided with a plurality of passive plug-in components which are sequentially arranged from top to bottom.
Preferably, the driving device comprises a first gear and a first rack which are meshed with each other, the first gear is rotatably connected to the first prefabricated underground continuous wall, and one end of the first rack is connected to the locking joint.
Preferably, the driving device further comprises a second gear and a second rack which are meshed with each other, and the second gear and the first gear are coaxially arranged and connected; the first prefabricated underground continuous wall is internally provided with a vertically arranged accommodating groove, the second rack is positioned in the accommodating groove and can be slidably connected with the first prefabricated underground continuous wall, and one end of the second rack is exposed out of the opening of the accommodating groove.
Preferably, the drive means comprises a piston cylinder and a piston movably disposed within the piston cylinder, the piston being connected to the locking sub.
Preferably, a first pipeline and a second pipeline are pre-buried in the first prefabricated underground continuous wall, the first pipeline is communicated with an inlet of the piston cylinder, and the second pipeline is communicated with an outlet of the piston cylinder.
The locking mechanism of the prefabricated underground continuous wall comprises an active inserting component and a passive inserting component, wherein a locking joint of the active inserting component can slide along a guide rail under the driving of a driving device, so that the locking joint can move towards the outer side of the first prefabricated underground continuous wall in the horizontal direction, an anti-disengaging piece is movably arranged in a locking slot of the passive inserting component, after the first prefabricated underground continuous wall and the second prefabricated underground continuous wall are horizontally and adjacently arranged, the locking joint extends into the locking slot of the second prefabricated underground continuous wall, the anti-disengaging piece abuts against the locking joint to prevent the locking joint from disengaging from the locking slot, the quick connection of the two adjacent prefabricated underground continuous walls is realized, and the tensile property of the connecting position of the underground continuous walls can be effectively improved by the locking joint and the locking slot.
Drawings
FIG. 1 is one of schematic views of a locking mechanism of a prefabricated underground diaphragm wall according to an embodiment of the present invention;
FIG. 2 is a second schematic view of a locking mechanism of the prefabricated underground diaphragm wall according to the embodiment of the present invention;
FIG. 3 is a schematic view of a rack and pinion structure of a locking mechanism of a prefabricated underground diaphragm wall according to an embodiment of the present invention;
FIG. 4 is a schematic front view of a release preventing member of a locking mechanism of a prefabricated underground diaphragm wall according to an embodiment of the present invention;
FIG. 5 is a schematic sectional view showing the construction of the separation preventing member of the locking mechanism of the prefabricated underground diaphragm wall according to the embodiment of the present invention;
fig. 6 is a schematic view showing the structure of a piston cylinder of the locking mechanism of the prefabricated underground diaphragm wall according to the embodiment of the invention.
Wherein, 1, actively inserting and connecting the assembly; 11. locking the joint; 12. a drive device; 121. a first gear; 122. a first rack; 123. a second gear; 124. a second rack; 125. a piston cylinder; 126. a first pipeline; 127. a second pipeline; 2. a passive plug-in assembly; 21. locking the slot; 22. a drop-off prevention member; 221. a guide slope; 23. an elastic member; 24. a guide chute; 25. a guide slider; 3. a first prefabricated underground diaphragm wall; 4. and a second prefabricated underground continuous wall.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1 to 6, a locking mechanism of a prefabricated underground diaphragm wall of the present invention is schematically shown, and includes an active plug assembly 1 and a passive plug assembly 2.
The active plugging assembly 1 comprises a locking connector 11, a guide rail fixedly connected to the first prefabricated underground continuous wall 3 and a driving device 12, wherein the guide rail is horizontally arranged, the fixed end of the locking connector 11 is slidably connected to the guide rail, the movable end of the driving device 12 is connected to the locking connector 11, and the driving device 12 can drive the locking connector 11 to slide on the guide rail.
The passive plug assembly 2 comprises a locking slot 21 arranged on the second prefabricated underground continuous wall 4 and an anti-falling part arranged on the inner side wall of the locking slot 21, and the anti-falling part comprises an anti-falling part 22 movably connected to the locking slot 21.
After the first prefabricated underground continuous wall 3 and the second prefabricated underground continuous wall 4 are horizontally arranged adjacently, the locking joint 11 moves towards the locking slot 21 under the driving of the driving device 12, when the free end of the locking joint 11 extends into the locking slot 21, the anti-falling part 22 abuts against the free end of the locking joint 11 to prevent the locking joint 11 from being separated from the locking slot 21 and ensure the connection stability of the locking mechanism, the locking joint 11 and the locking slot 21 can be preferably made of metal materials to improve the tensile property of the locking mechanism and ensure that the joint of the first prefabricated underground continuous wall 3 and the second prefabricated underground continuous wall 4 reaches the design index.
Specifically, the locking tab 11 has a stepped surface thereon, which faces away from the locking slot 21. The anti-disengaging part further comprises an elastic part 23, two ends of the elastic part 23 are respectively connected to the anti-disengaging part 22 and the locking slot 21, the anti-disengaging part 22 is provided with a guide inclined plane 221, the guide inclined plane 221 and the inner side wall of the locking slot 21 are obliquely arranged, when the locking connector 11 extends into the locking slot 21, the anti-disengaging part 22 is positioned on the side edge of the movement track of the locking connector 11, the locking connector 11 abuts against the guide inclined plane 221, and the locking connector 11 and the guide inclined plane 221 slide relatively, the locking connector 11 pushes the anti-disengaging part 22 to move towards the direction far away from the locking connector 11 along the normal direction of the movement track of the locking connector 11, after the locking connector 11 extends into the locking slot 21 to the designed depth, the locking connector 11 is separated from the guide inclined plane 221, at this time, the anti-disengaging part 22 moves towards the direction close to the locking connector 11 along the normal direction of the movement track of the locking connector, the locking tabs 11 are prevented from being disengaged from the locking slots 21.
Be equipped with direction spout 24 on the inside wall of locking slot 21, be equipped with guide slide 25 on the anticreep piece 22, elastic component 23 is located direction spout 24, and guide slide 25 slidable ground inlays locates direction spout 24, and direction spout 24 and guide slide 25 can restrict the direction of motion of anticreep piece 22.
The first prefabricated underground continuous wall 3 is provided with a plurality of active inserting components 1 which are sequentially arranged from top to bottom, and the second prefabricated underground continuous wall 4 is correspondingly provided with a plurality of passive inserting components 2 which are sequentially arranged from top to bottom. The corresponding connection in a plurality of passive grafting subassembly 2 of a plurality of initiative grafting subassembly 1 promotes the connection stability of first prefabricated underground continuous wall 3 and second prefabricated underground continuous wall 4.
In some optional embodiments, the driving device 12 includes a first gear 121 and a first rack 122 that are engaged with each other, and a second gear 123 and a second rack 124 that are engaged with each other, the first gear 121 is rotatably connected to the first prefabricated underground continuous wall 3, one end of the first rack 122 is connected to the locking joint 11, the second gear 123 is coaxially disposed with and connected to the first gear 121, a vertically disposed accommodating groove is disposed in the first prefabricated underground continuous wall 3, the second rack 124 is disposed in the accommodating groove and slidably connected to the first prefabricated underground continuous wall 3, one end of the second rack 124 is exposed out of an opening of the accommodating groove, and when the second rack 124 is pushed by a force, the second rack 124 drives the second gear 123 and the first gear 121 to rotate, thereby driving the first rack 122 to move, and thereby driving the locking joint 11 to slide on the guide rail. This enables the operator to operate the second rack gear 124 on the ground to lock the first and second prefabricated underground continuous walls 3 and 4 in the horizontal direction.
In some alternative embodiments, the driving device 12 includes a piston cylinder 125 and a piston movably disposed in the piston cylinder 125, the piston is connected to the locking joint 11, a first pipeline 126 and a second pipeline 127 are embedded in the first prefabricated underground continuous wall 3, the first pipeline 126 is communicated with an inlet of the piston cylinder 125, the second pipeline 127 is communicated with an outlet of the piston cylinder 125, and in order to ensure that the driving device 12 has enough thrust to push the locking joint 11, the piston cylinder 125 is preferably a hydraulic cylinder, that is, the piston cylinder 125 is filled with hydraulic oil. The first and second lines 126 and 127 may be connected by conventional hydraulic pumps or the like to supply hydraulic fluid to the piston cylinder 125 through the first and second lines 126 and 127 to control the movement of the piston in the piston cylinder 125. Also, this enables the operator to remotely control the pistons on the ground to lock the first and second prefabricated underground continuous walls 3 and 4 in the horizontal direction.
In summary, the locking mechanism of the prefabricated underground diaphragm wall of the present invention has the active plug assembly 1 and the passive plug assembly 2, the locking joint 11 of the active plug assembly 1 can slide along the guide rail under the driving of the driving device 12, so that the locking joint 11 can move towards the outer side of the first prefabricated underground continuous wall 3 in the horizontal direction, the locking slot 21 of the passive plugging component 2 is movably provided with a release-proof piece 22, after the first prefabricated underground continuous wall 3 and the second prefabricated underground continuous wall 4 are horizontally arranged adjacently, the locking connector 11 extends into the locking slot 21 of the second prefabricated underground continuous wall 4, the anti-falling piece 22 abuts against the locking connector 11 to prevent the locking connector 11 from being separated from the locking slot 21, so that the quick connection of two adjacent prefabricated underground continuous walls is realized, and the locking joint 11 and the locking slot 21 can effectively improve the tensile property of the underground continuous wall joint.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (10)

1. A locking mechanism of a prefabricated underground continuous wall is characterized by comprising an active plug-in component and a passive plug-in component;
the active inserting assembly comprises a locking joint, a guide rail and a driving device, wherein the guide rail and the driving device are fixedly connected to the first prefabricated underground continuous wall;
the passive splicing assembly comprises a locking slot arranged on the second prefabricated underground continuous wall and an anti-falling part arranged on the inner side wall of the locking slot, and the anti-falling part comprises an anti-falling part movably connected to the locking slot;
the anti-release piece abuts against the free end of the locking joint after the free end of the locking joint extends into the locking slot.
2. The locking mechanism of a prefabricated underground diaphragm wall as claimed in claim 1, wherein the release preventing member is provided with a guide slope, and the guide slope and the inner sidewall of the locking groove are obliquely arranged.
3. The locking mechanism of a prefabricated underground diaphragm wall as claimed in claim 1, wherein the escape prevention part further comprises an elastic member having both ends connected to the escape prevention member and the locking insertion groove, respectively.
4. The locking mechanism of a prefabricated underground continuous wall as claimed in claim 1, wherein a guide sliding groove is formed on an inner side wall of the locking slot, and a guide sliding block is arranged on the anti-drop member and slidably fitted in the guide sliding groove.
5. A locking mechanism of a prefabricated underground diaphragm wall as claimed in claim 1, wherein the guide rail is horizontally disposed.
6. The locking mechanism of prefabricated underground continuous wall as claimed in claim 1, wherein the first prefabricated underground continuous wall is provided with a plurality of active plug-in modules arranged in sequence from top to bottom, and the second prefabricated underground continuous wall is provided with a plurality of passive plug-in modules arranged in sequence from top to bottom.
7. The locking mechanism for prefabricated underground continuous walls according to claim 1, wherein the driving means comprises a first gear and a first rack gear engaged with each other, the first gear is rotatably connected to the first prefabricated underground continuous wall, and one end of the first rack gear is connected to the locking joint.
8. The locking mechanism of a prefabricated underground continuous wall according to claim 8, wherein the driving means further comprises a second gear and a second rack which are engaged with each other, the second gear being coaxially disposed with and connected to the first gear; the first prefabricated underground continuous wall is internally provided with a vertically arranged accommodating groove, the second rack is positioned in the accommodating groove and can be slidably connected with the first prefabricated underground continuous wall, and one end of the second rack is exposed out of the opening of the accommodating groove.
9. A locking mechanism for a prefabricated underground diaphragm wall as claimed in claim 1, wherein the driving means comprises a piston cylinder and a piston movably disposed in the piston cylinder, the piston being connected to the locking sub.
10. The locking mechanism of the prefabricated underground continuous wall as claimed in claim 9, wherein a first pipeline and a second pipeline are embedded in the first prefabricated underground continuous wall, the first pipeline is communicated with the inlet of the piston cylinder, and the second pipeline is communicated with the outlet of the piston cylinder.
CN201911422611.4A 2019-12-30 2019-12-30 Locking mechanism of prefabricated underground continuous wall Pending CN110939126A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911422611.4A CN110939126A (en) 2019-12-30 2019-12-30 Locking mechanism of prefabricated underground continuous wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911422611.4A CN110939126A (en) 2019-12-30 2019-12-30 Locking mechanism of prefabricated underground continuous wall

Publications (1)

Publication Number Publication Date
CN110939126A true CN110939126A (en) 2020-03-31

Family

ID=69913236

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911422611.4A Pending CN110939126A (en) 2019-12-30 2019-12-30 Locking mechanism of prefabricated underground continuous wall

Country Status (1)

Country Link
CN (1) CN110939126A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112227605A (en) * 2020-09-25 2021-01-15 福建新华夏建工有限公司 Reinforcement cage for karst geology and foundation reinforcing method for karst geology

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112227605A (en) * 2020-09-25 2021-01-15 福建新华夏建工有限公司 Reinforcement cage for karst geology and foundation reinforcing method for karst geology
CN112227605B (en) * 2020-09-25 2022-03-25 福建新华夏建工有限公司 Reinforcement cage for karst geology and foundation reinforcing method for karst geology

Similar Documents

Publication Publication Date Title
CN104328839B (en) Connecting structure for column bearing integrated building modules
WO2013056306A1 (en) Shoring box system and method
US11421394B2 (en) Double safety device for quick coupler
CN204356907U (en) The syndeton of columns supported integrated building module
CN110939126A (en) Locking mechanism of prefabricated underground continuous wall
CN212153353U (en) Locking mechanism of prefabricated underground continuous wall
KR20120097435A (en) Interlocking pc closed conduit
CN109914477B (en) Prefabricated pipeline of assembling of utility tunnel
CN110965548A (en) Prefabricated underground continuous wall structure
CN212026218U (en) Prefabricated underground continuous wall structure
CN110331718B (en) Mortise-tenon joint structure for connecting steel sleeve
JP2016020569A (en) Concrete box body used for open shield method
JP5944970B2 (en) Open shield method
CN111042100B (en) Method for assembling prefabricated underground continuous wall
CN212078268U (en) Adjustable automatic locking mechanism
CN114893219B (en) Pipe joint assembly, pipe curtain and box culvert replacement pipe curtain construction method
CN104213642B (en) Built-in bonded type butt connector and construction method thereof
CN216552383U (en) Precast concrete member, precast concrete subassembly
CN113756471B (en) Connecting structure of thin-wall steel concrete shear wall and lower steel reinforced concrete shear wall
CN115897996A (en) Concrete formwork for house building construction
CN212052863U (en) Assembly type station based on cast-in-place underground continuous wall
CN114396117A (en) Precast concrete member, precast concrete assembly and splicing method thereof
KR101496282B1 (en) Propulsion apparatus and propulsion method using the same
CN110939125A (en) Sealing structure of prefabricated underground continuous wall
CN110952595A (en) Assembly type station based on cast-in-place underground continuous wall and construction method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination