CN211006710U

CN211006710U - Support system behind slot

Info

Publication number: CN211006710U
Application number: CN201921408208.1U
Authority: CN
Inventors: 文杰; 张彤炜; 周书东; 田锦虎; 韩笑; 杨秀坤; 刘正刚; 赵永涛; 麦镇东
Original assignee: Dongguan Institute Of Building Science; Sinohydro Bureau 7 Co Ltd
Current assignee: Dongguan Institute Of Building Science; Sinohydro Bureau 7 Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-27
Publication date: 2020-07-14
Anticipated expiration: 2029-08-27
Also published as: CN110747863A

Abstract

The utility model provides a system is strutted behind slot for strut the slot, including side fender structure and scalable supporting mechanism, both sides fender structure is relative setting, and side fender structure all is connected with the moving mechanism who is used for driving its removal, and scalable supporting mechanism connects between both sides fender structure, borrows by scalable supporting mechanism extension or shrink, with both sides fender structure respectively push up tightly or release between the both sides wall of slot. The telescopic supporting mechanism can extend to enable the two side retaining structures to move towards the direction away from each other and tightly prop against the two side walls of the groove, so that the side wall soil body after the groove is excavated is supported and reinforced; the telescopic supporting mechanism of the accessible contracts to drive the two side retaining structures to move towards the direction close to each other and release between the two side walls of the groove, so that the side retaining structures can be driven by the aid of the movable mechanism to move, the whole groove is driven, the protection system moves in the groove, and the operation surface of the groove support system can be changed after the groove.

Description

Support system behind slot

Technical Field

The utility model relates to a construction technical field especially relates to a system is strutted behind slot.

Background

Vertical excavation is a common excavation mode, and inevitably needs constructors to go down to the straight wall trench for operation, and when the trench excavation depth is large, collapse and landslide accidents caused by trench wall instability are easy to occur, and the safe construction operation is influenced to a certain extent. To protect the constructors from the damage of the landslide or collapse of the trench wall, the trench working surface needs a safe and applicable trench supporting system. At present, the existing box-type rear supporting structure is less applied to groove excavation construction, the main mode adopts natural slope, soil nail reinforcement, straight groove type grooves such as channel steel or steel sheet piles, reinforced concrete row piles and the like, and the methods generally have the following problems: firstly, the manufacturing cost is high; secondly, the self width and the use length cannot be changed, so that the application range is limited; thirdly, the construction time is long; and fourthly, the groove box is used for supporting, but the groove box supports the groove at a fixed position, so that the movement inside the groove cannot be realized, and the requirements of excavation and supporting under different conditions are difficult to meet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a system is strutted behind adjustable width of strutting and mobilizable slot.

In order to realize the above object, the utility model provides a system is strutted behind slot for strut the slot, including side fender structure and scalable supporting mechanism, two the side fender structure is relative setting, the side fender structure all is connected with and is used for driving its moving mechanism that removes, scalable supporting mechanism connects in two between the side fender structure, borrow by scalable supporting mechanism extension or shrink, with two the side fender structure push up tightly respectively or release in between the both sides wall of slot.

Preferably, the telescopic supporting mechanism comprises a first supporting rod, a second supporting rod and a rotary adjusting piece, one end of the first supporting rod is connected with one of the side blocking structures, the other end of the first supporting rod is in threaded connection with one end of the rotary adjusting piece, one end of the second supporting rod is connected with the other of the side blocking structures, and the other end of the second supporting rod is in threaded connection with the other end of the rotary adjusting piece; the rotating adjusting piece rotates, so that the first supporting rod and the second supporting rod move, extend or contract relative to the rotating adjusting piece.

Preferably, the screw thread direction of the first support bar is opposite to that of the second support bar.

Preferably, the rotation adjusting member is provided with a rotation handle for driving the rotation adjusting member to rotate.

Preferably, the side blocking structure comprises two upright posts and a side wall guard plate, and the side wall guard plate is connected between the two upright posts.

Preferably, the connection between the side wall guard plate and the upright post is detachable.

Preferably, the side wall guard plate is provided with an operating handle.

Preferably, the lower end of the upright post is provided with a cutting edge.

Preferably, the number of the side wall guard plates is a plurality, and the side wall guard plates are sequentially arranged along the length direction of the two upright posts.

Preferably, the moving mechanism comprises a connecting piece and a walking wheel, the connecting piece is connected with the side blocking structure, and the walking wheel is pivoted on the connecting piece.

Preferably, the connecting member is slidably disposed on the side blocking structure.

Preferably, the connecting piece includes sliding part and with the connecting portion that sliding part is connected, sliding part slidable adjustment ground set up in the side keeps off the structure, the walking wheel pin joint in connecting portion.

Preferably, the side blocking structure further comprises a positioning pin, a first jack is arranged on the sliding portion, a plurality of second jacks are arranged on the side blocking structure, and the positioning pin is inserted into the first jack and one of the second jacks to position the moving mechanism on the side blocking structure.

Preferably, a driving mechanism is arranged between each side blocking structure and each connecting piece, and the driving mechanism can drive each connecting piece to slide relative to each side blocking structure.

Preferably, the driving mechanism is a hydraulic oil cylinder.

Preferably, the moving mechanism further comprises a sliding adjusting piece, the sliding adjusting piece is slidably and adjustably arranged on the connecting piece, and the walking wheel is pivoted on the sliding adjusting piece.

Compared with the prior art, the protective system behind the groove is provided with the telescopic supporting mechanism between the two side retaining structures, so that the two side retaining structures can move towards the direction away from each other and are tightly propped between the two side walls of the groove by the extension of the telescopic supporting mechanism, thereby playing a role in supporting and reinforcing the side wall soil body after the groove is excavated, and providing a safe and reliable operation environment for constructors; and because the side retaining structure all is connected with and is used for driving its removal the moving mechanism, the accessible scalable supporting mechanism shrink, drive both sides retaining structure and remove and release between the both sides wall of slot towards the direction that is close to each other to usable moving mechanism drives the side retaining structure and removes, drives the protection system behind the whole slot promptly and removes at the slot, thereby the operation face of supporting the system to the slot is strutted behind the convertible slot, consequently, usable one the utility model discloses a system is strutted behind the slot, alright realize strutting to full mark section slot, saved the cost of strutting greatly.

Drawings

Fig. 1 is a schematic perspective view of the rear support system of the trench of the present invention.

Fig. 2 is a side view of the post-groove timbering system of fig. 1.

Fig. 3 is a front view of the post-groove timbering system of fig. 1.

Fig. 4 is a schematic structural diagram of a part of the post position of the post rear support system of the present invention.

Fig. 5 is a sectional view taken along a-a in fig. 4.

Fig. 6 is a schematic structural diagram of the moving mechanism and the side blocking structure of the rear groove supporting system of the present invention.

Fig. 7 is a schematic structural diagram of a first side blocking structure of the rear groove supporting system of the present invention.

Fig. 8 is a schematic structural diagram of a second side retaining structure of the rear groove supporting system of the present invention.

Fig. 9 is a schematic structural view of the post-groove support system of the present invention after being suspended to the groove.

Fig. 10 is a schematic structural view of the rear support system of the present invention supporting the side wall of the groove.

Fig. 11 is a schematic structural view of the traveling wheel of the rear support system of the trench of the present invention when it descends to the ground.

Fig. 12 is a schematic structural view of the rear support system after lifting.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

Referring to fig. 1 to 3, the rear supporting system 100 of the present invention is used for supporting the groove 200, and includes a side retaining structure 1 and a telescopic supporting mechanism 2, the side retaining structure 1 is arranged relatively, the side retaining structure 1 is connected to a moving mechanism 3 for driving the side retaining structure to move, the telescopic supporting mechanism 2 is connected between the side retaining structures 1, and the telescopic supporting mechanism 2 is extended or contracted to respectively push the side retaining structures 1 tightly or release the side retaining structures between two side walls of the groove 200. The telescopic supporting mechanism 2 can extend to enable the two side retaining structures 1 to move towards the direction away from each other and tightly prop against the two side walls of the groove 200, so that the side wall soil body excavated by the groove 200 is supported and reinforced, and a safe and reliable operation environment is provided for constructors; the retractable supporting mechanism 2 can be retracted to drive the two side retaining structures 1 to move towards the direction close to each other and release between the two side walls of the groove 200, so that the side retaining structures 1 can be driven to move by the movable mechanism 3, that is, the whole groove rear supporting system 100 is driven to move in the groove 200, and the operation surface of the groove rear supporting system 100 for supporting the groove 200 can be changed. More specifically, the following:

referring to fig. 1 and 3, in the present embodiment, the retractable supporting mechanism 2 includes a first supporting rod 21, a second supporting rod 22 and a rotating adjusting member 23, one end of the first supporting rod 21 is connected to one of the side blocking structures 1, the other end of the first supporting rod 21 is in threaded connection with one end of the rotating adjusting member 23, one end of the second supporting rod 22 is connected to the other side blocking structure 1, and the other end of the second supporting rod 22 is in threaded connection with the other end of the rotating adjusting member 23; the rotation adjusting member 23 is rotated to move the first supporting rod 21 and the second supporting rod 22 relative to the rotation adjusting member 23 for extension or contraction. The screw thread direction of the first support rod 21 is opposite to the screw thread direction of the second support rod 22, and the rotation adjusting member 23 is sleeved on the first support rod 21 and the second support rod 22, but not limited thereto, the first support rod 21 and the second support rod 22 may also be sleeved on the rotation adjusting member 23. Specifically, the rotation adjusting member 23 is provided with a rotation handle 231 for driving the rotation adjusting member to rotate, so that a constructor can drive the rotation adjusting member 23 to rotate by operating the rotation handle 231, and thus the first support rod 21 and the second support rod 22 are driven to move, extend or contract relative to the rotation adjusting member 23. The structure of the retractable supporting mechanism 2 is not limited in this embodiment, and in other embodiments, for example, the retractable supporting mechanism 2 may adopt two fixedly disposed retractable cylinders, and the retractable cylinders extend and retract to drive the two side retaining structures 1 to move, so that the two side retaining structures 1 are respectively tightly pressed against or released between two side walls of the groove 200.

Referring to fig. 2, fig. 4 and fig. 5, in the present embodiment, the side blocking structure 1 includes upright columns 11 and a sidewall protection plate 12, and the sidewall protection plate 12 is connected between the two upright columns 11. Specifically, the side wall guard plate 12 is detachably connected with the upright posts 11, the side wall guard plate 12 is provided with an operating handle 121, and the side wall guard plate 12 is conveniently installed between the two upright posts 11 by operating the operating handle 121; the lower end of the upright post 11 is provided with a cutting edge 111, and the cutting edge 111 is arranged, so that the groove rear support system 100 can be conveniently cut into the soil under the action of self weight, and the stability of the groove rear support system 100 in supporting the groove 200 is improved; lifting lugs 112 are arranged on the upright columns 11, and lifting equipment can lift the groove rear support system 100 into the groove 200 by pulling the lifting lugs 112 on the upright columns 11; a guide rail 114 is arranged in the length direction of the upright post 11, and the side wall guard plate 12 is correspondingly arranged on the guide rail 114; the number of the upright posts 11 is four, but not limited thereto. The number of the side wall guard plates 12 is a plurality, and the side wall guard plates 12 are sequentially arranged along the length direction of the two vertical columns 11; as shown in fig. 7 and 8, the sidewall protection plate 12 includes a first sidewall protection plate 122 and a second sidewall protection plate 123, the first sidewall protection plate 122 and the second sidewall protection plate 123 are respectively detachably connected between the two vertical columns 11, both the first sidewall protection plate 122 and the second sidewall protection plate 123 are provided with an operating handle 121, initially, the first sidewall protection plate 122 may be installed between the two vertical columns 11, after the whole trench rear support system 100 is hung into the trench 200 and supports the inner wall of the trench 200, each second sidewall protection plate 123 may be sequentially arranged above the first sidewall protection plate 122 along the length direction of the two vertical columns 11 along with the excavation of the trench 200 and the descending of the trench rear support system 100, so as to support the inner wall of the trench 200. However, the structure of the side retaining structure 1 is not limited to this, and in other embodiments, the side retaining structure 1 may be directly supported by an existing baffle plate, such as a steel plate.

Referring to fig. 3, 4 and 6, the moving mechanism 3 includes a connecting member 31 and a walking wheel 32, the connecting member 31 is connected to the side blocking structure 1, and the walking wheel 32 is pivoted on the connecting member 31. In the present embodiment, the connecting member 31 is slidably disposed on the side stop structure 1. The connecting member 31 includes a sliding portion 311 and a connecting portion 312 connected to the sliding portion 311, the sliding portion 311 is slidably and adjustably disposed on the side blocking structure 1, and the traveling wheel 32 is pivotally connected to the connecting portion 312. Specifically, the utility model discloses a strut system 100 behind slot still includes location bolt 33, is equipped with first jack 311a on the sliding part 311, and side fender structure 1 is equipped with a plurality of second jack 113, borrows by location bolt 33 to insert first jack 311a and one of them second jack 113 to be located side fender structure 1 with moving mechanism 3. When the moving mechanism 3 needs to be driven to slide relative to the upright post 11, the positioning latch 33 can be removed from the first insertion hole 311a and the second insertion hole 113, so as to unlock the moving mechanism 3, and the sliding portion 311 of the moving mechanism 3 can slide relative to the upright post 11. When the two side retaining structures 1 are respectively released between the two side walls of the groove 200, the travelling wheels 32 of the moving mechanism 3 can be used for driving the whole groove rear support system 100 to move in the groove 200, so that the working surface of the groove rear support system 100 for supporting the groove 200 can be changed. More specifically, the moving mechanism 3 further comprises a sliding adjusting member 34, the sliding adjusting member 34 is slidably and adjustably disposed on the connecting member 31, and the traveling wheels 32 are pivotally connected to the sliding adjusting member 34. The sliding adjuster 34 is provided with a bolt 341, and the sliding adjuster 34 is locked or unlocked to the connecting portion 312 of the connecting member 31 by rotating the bolt 341. Wherein, a plurality of through holes for inserting or withdrawing the bolts 341 may be provided on the connecting member 31. The sliding adjustment member 34 slides to adjust the position of the travel wheels 32, thereby preventing the travel wheels 32 from falling into the groove 200 without landing on the ground when they are lowered. The cross section of the sliding adjusting member 34 can be larger than the connecting portion 312, and the matching bolt 341 has a certain fine adjustment space, so that the positioning pin 33 can adapt to different heights of the first insertion hole 311a and the second locking hole. It should be noted that the structure of the moving mechanism 3 is not limited to this, and in other embodiments, for example, the moving mechanism 3 may also adopt a manner of matching a motor, a reducer, a transmission rod and the traveling wheels 32.

Referring to fig. 3 and 4, in order to facilitate the sliding portion 311 of the driving structure to slide relative to the pillar 11, a driving mechanism 4 is disposed between the side stop structure 1 and the connecting member 31, and the driving mechanism 4 can drive the connecting member 31 to slide relative to the side stop structure 1. Specifically, one end of the driving mechanism 4 is connected to the middle part of the upright post 11, and the other end of the driving mechanism 4 is connected to the sliding part 311 of the connecting piece 31, so that the driving mechanism 4 can extend and contract, and the moving mechanism 3 can be driven to slide relative to the upright post 11 of the side blocking structure 1; after the rear support system 100 of the trench is hung to the trench 200 and supports the trench 200, when the traveling wheels 32 of the moving mechanism 3 are not grounded, the side blocking structure 1 is not moved, and the driving mechanism 4 can stretch and contract to drive the sliding part 311 of the moving mechanism 3 to slide along the upright post 11; after the travelling wheels 32 of the moving mechanism 3 are grounded, the moving mechanism 3 is kept still, and the driving mechanism 4 is contracted to lift the side blocking structure 1 and the telescopic supporting mechanism 2 upwards together. In the present embodiment, the driving mechanism 4 is a hydraulic cylinder, but not limited to this, and a conventional telescopic cylinder or the like may be used. The number of the driving mechanisms 4 is the same as that of the moving mechanisms 3, in this embodiment, four moving mechanisms 3 are provided, four moving mechanisms 3 are respectively provided on the four columns 11, and four driving mechanisms 4 are also provided correspondingly.

With reference to fig. 9 to 12, the concrete construction principle of the post-groove supporting system 100 of the present invention is as follows:

initially, assembling all parts to form the rear groove supporting system 100 of the utility model, and vertically excavating to within 1 meter of depth without support at a construction place to form a groove 200 (the groove 200 has good self-stabilizing capability of soil quality); then, the utility model discloses a support system 100 behind slot hangs to slot 200 hole bottom through the crane, and the rotatory handle of rotatory scalable supporting mechanism 2 makes first bracing piece 21 and second bracing piece 22 rotate adjusting part 23 relatively and remove the extension, thereby makes both sides fender structure 1 move towards the direction of keeping away from each other and push up tightly between the both sides wall of slot 200, thereby plays the support reinforcement effect to the lateral wall soil body after slot 200 excavates; with the continuous excavation of the bottom of the trench 200, the rear trench supporting system 100 sinks, the lower layer reaches a certain height, and the second sidewall protection plates 123 are sequentially arranged above the first sidewall protection plates 122 along the length direction of the two vertical columns 11 until the excavation construction is completed. When the working surface of the groove 200 of the rear support system 100 needs to be changed, the positioning bolt 33 is detached from the first insertion hole 311a and the second insertion hole 113, so that the moving mechanism 3 is unlocked, the driving mechanism 4 acts and drives the sliding part 311 of the moving mechanism 3 to slide and slide along the upright post 11, the travelling wheel 32 of the moving mechanism 3 is grounded, and meanwhile, the sliding adjusting piece 34 can be driven to slide, so that the travelling wheel 32 is not sunk into the groove 200 in the descending process; rotating the rotating handle of the telescopic supporting mechanism 2 to make the first supporting rod 21 and the second supporting rod 22 move and contract relative to the rotating adjusting piece 23, so that the two side blocking structures 1 move towards the direction away from each other and are separated from the two side walls of the groove 200, and then placing a ladder stand at the supporting position to evacuate personnel and instruments; in order to ensure that the soil mass on the side wall of the groove 200 is balanced and stable in the lifting process of the post-groove supporting system 100, the post-groove supporting system 100 needs to be lifted and a foundation pit needs to be refilled, the side retaining structure 1 and the telescopic supporting mechanism 2 are lifted upwards together by the contraction of the driving mechanism 4 to a certain distance from the edge 111 to a predicted soil covering surface, after a backfilled soil body reaches the corresponding design height, the post-groove supporting system 100 is pulled manually to change the working surface, the supporting steps are repeated, and finally the whole operation of construction standard sections is completed, the post-groove supporting system 100 is lifted away from the foundation pit by a crane and is disassembled, recycled and reused.

In conclusion, because the utility model discloses a supporting system 100 behind slot is equipped with scalable supporting mechanism 2 between two side retaining structures 1, so the scalable supporting mechanism 2 of accessible extends, make two side retaining structures 1 move towards the direction of keeping away from each other and push up tightly between the both sides wall of slot 200, thereby play the supporting reinforcement effect to the lateral wall soil body after the slot 200 excavation, provide safe and reliable operation environment for the constructor, thereby do benefit to and realize the vertical excavation to the earthwork, make construction earthwork excavation, backfill volume and operation area are showing and reduce, effectively solve slot 200 excavation occupation of land and long, the supporting time is long, many problems such as backfill quality can't guarantee, and the construction operation reduces to building, complicated pipeline, social activity etc. on every side; because the side retaining structure 1 all is connected with the moving mechanism 3 that is used for driving its removal, but the scalable supporting mechanism 2 of accessible shrink drives both sides retaining structure 1 and removes and release between the both sides wall of slot 200 towards the direction that is close to each other to usable moving mechanism 3 drives side retaining structure 1 and removes, drives whole slot back support system 100 promptly and removes in slot 200, thereby the face of operation that the convertible slot back support system 100 strutted to slot 200, consequently, usable one the utility model discloses a support system 100 behind the slot, alright realize strutting full mark section slot 200, saved the cost of strutting greatly. The utility model discloses support system 100 behind slot can realize spare part factory work production, bulk cargo transportation and job site manual assembly, and the equipment connected mode adopts bolt 341 to connect and the draw-in groove is connected, and installation work load is few and relevant auxiliary assembly is commonly used, and assembly and dismantlement are swift simple and convenient, and is simpler than conventional vertical excavation supporting mode (soil nail reinforcement, channel-section steel or steel sheet pile, reinforced concrete campshed etc.) process, and is more safe and reliable than the vertical excavation of no support again to finally realize retrieving for reuse, improve engineering construction mechanization level; in the aspect of emergency rescue, the utility model discloses can regard as temporary support, prevent that the soil body that rescue team excavation accident position has toppled excavates once more and the secondary that causes collapses to help rescue team to search for and rescue rapidly by the buried personnel safely in the position of collapsing.

The above disclosure is only a preferred embodiment of the present invention, and the scope of the claims of the present invention should not be limited thereby, and all the equivalent changes made in the claims of the present invention are intended to be covered by the present invention.

Claims

1. The utility model provides a system is strutted behind slot for strut the slot, its characterized in that, including side retaining structure and scalable supporting mechanism, two side retaining structure is relative setting, side retaining structure all is connected with and is used for driving its moving mechanism that removes, scalable supporting mechanism connects in two between the side retaining structure, borrow by scalable supporting mechanism extension or shrink, with two side retaining structure push up tightly respectively or release in between the both sides wall of slot.

2. The after-trench supporting system as claimed in claim 1, wherein the retractable supporting mechanism includes a first supporting rod, a second supporting rod and a rotary adjusting member, one end of the first supporting rod is connected to one of the side retaining structures, the other end of the first supporting rod is in threaded connection with one end of the rotary adjusting member, one end of the second supporting rod is connected to the other of the side retaining structures, and the other end of the second supporting rod is in threaded connection with the other end of the rotary adjusting member; the rotating adjusting piece rotates, so that the first supporting rod and the second supporting rod move, extend or contract relative to the rotating adjusting piece.

3. The post-groove support system according to claim 2, wherein the direction of the helical thread of the first support bar is opposite to the direction of the helical thread of the second support bar.

4. The rear groove support system of claim 2, wherein the rotation adjusting member is provided with a rotation handle for driving the rotation adjusting member to rotate.

5. The rear trench support system of claim 1 wherein the side dam structure includes columns and side wall shields connected between the columns.

6. The post-trench support system of claim 5, wherein the connection between the sidewall shields and the columns is a detachable connection.

7. The rear trench support system of claim 5 wherein said sidewall shield has an operating handle.

8. The rear groove support system according to claim 5, wherein the lower end of the upright is provided with a cutting edge.

9. The rear groove support system according to claim 5, wherein the number of the side wall protecting plates is several, and the several side wall protecting plates are sequentially arranged along the length direction of the two columns.

10. The rear groove support system according to claim 1, wherein the moving mechanism includes a connecting member connected to the side blocking structure and a traveling wheel pivotally connected to the connecting member.

11. The rear groove support system of claim 10, wherein the connector is slidably disposed to the side dam.

12. The groove rear support system according to claim 11, wherein the connecting member includes a sliding portion and a connecting portion connected to the sliding portion, the sliding portion is slidably and adjustably disposed on the side blocking structure, and the traveling wheel is pivotally connected to the connecting portion.

13. The rear support system of claim 12, further comprising a positioning pin, wherein the sliding portion is provided with a first insertion hole, the side shield structure is provided with a plurality of second insertion holes, and the positioning pin is inserted into the first insertion hole and one of the second insertion holes to position the moving mechanism on the side shield structure.

14. The rear groove support system according to claim 11, wherein a driving mechanism is provided between the side retaining structure and the connecting member, and the driving mechanism can drive the connecting member to slide relative to the side retaining structure.

15. The after-trench support system of claim 14, wherein the drive mechanism is a hydraulic ram.

16. The rear groove support system of claim 10, wherein the moving mechanism further comprises a sliding adjuster slidably and adjustably disposed on the connecting member, the road wheel being pivotally connected to the sliding adjuster.