CN213867842U - Building engineering underground structure - Google Patents

Abstract

The utility model belongs to the technical field of the technique of building engineering and specifically relates to a building engineering excavation supporting construction is related to, it includes the bottom plate, rotate set up in baffle on the bottom plate, the baffle is used for supporting the excavation lateral wall, the bottom plate with be provided with the extensible member between the baffle, the extensible member including rotate set up in a section of thick bamboo of pegging graft of bottom plate upper surface, rotate set up in the peg graft pole of baffle lateral wall, the one end of peg graft pole peg graft in a section of thick bamboo, be provided with on the bottom plate and be used for the drive the peg graft pole is in the drive assembly who slides in the peg graft section of thick bamboo. This application has the inclination's that can adapt to the foundation ditch lateral wall effect.

Description

Building engineering underground structure

Technical Field

The application relates to the technical field of constructional engineering, in particular to a constructional engineering foundation pit supporting structure.

Background

The foundation pit is a soil pit excavated at a foundation design position according to the base elevation and the base plane size, when the foundation pit is excavated, buildings existing around the foundation pit can generate certain settlement and movement to cause building deformation to cause danger, and in order to ensure the safety and normal operation of nearby buildings, underground pipelines and urban traffic, the foundation pit is generally constructed in a supporting way when the foundation pit is excavated.

For example, chinese patent No. CN208884538U discloses a foundation pit supporting device, which comprises a baffle longitudinally disposed at a side wall of a foundation pit, wherein one side of the baffle close to the side wall of the foundation pit is connected with a plurality of inserting nails, the other side of the baffle is provided with a plurality of positioning slots spaced apart from each other, supporting columns are disposed in the positioning slots, cross bars are further connected between the supporting columns, the lower ends of the supporting columns are disposed in a bottom surface of the foundation pit, the upper ends of the supporting columns are fixedly connected with first cable-stayed anchors, the ends of the first cable-stayed anchors are disposed in a soil layer outside the foundation pit, a first filling pile and a second filling pile are disposed in the bottom surface of the foundation pit, a first oblique supporting column is connected between the top of the first filling pile and the upper ends of the supporting columns, a second oblique supporting column is connected between the top of the second filling pile and the lower ends of the supporting columns, and a second cable-stayed anchor is further connected to the top of the first filling pile, and the tail end of the second cable-stayed anchor cable is arranged in the bottom surface of the foundation pit.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: because the angle between the baffle and the supporting column is fixed, when the inclination angle of the newly excavated side wall of the foundation pit cannot be matched with the device, the supporting device needs to be manufactured again, and the cost is increased.

SUMMERY OF THE UTILITY MODEL

In order to be able to the inclination in foundation ditch lateral wall, this application provides a building engineering foundation ditch supporting construction.

The application provides a building engineering underground structure adopts following technical scheme:

the utility model provides a building engineering excavation supporting construction, includes the bottom plate, rotate set up in baffle on the bottom plate, the baffle is used for supporting the foundation ditch lateral wall, the bottom plate with be provided with the extensible member between the baffle, the extensible member including rotate set up in the section of thick bamboo of pegging graft of bottom plate upper surface, rotate set up in the inserted bar of baffle lateral wall, the one end of inserted bar peg graft in the section of thick bamboo of pegging graft, be provided with on the bottom plate and be used for the drive the inserted bar is in the drive assembly that slides in the section of thick bamboo of pegging graft.

Through adopting above-mentioned technical scheme, operating personnel places the bottom plate in the foundation ditch, then uses drive assembly drive peg graft pole to slide in a section of thick bamboo of pegging graft, and the peg graft pole drives the baffle and rotates on the bottom plate to the inclination of adjustable baffle makes the baffle be adapted to the inclination of foundation ditch lateral wall.

Preferably, drive assembly including rotate set up in the dwang of bottom plate upper surface, rotate set up in the transfer line of dwang lateral wall, the bottom plate upper surface is provided with the spout along the direction of being close to or keeping away from the foundation ditch lateral wall, the cunning is connected with the slider in the spout, the transfer line is kept away from the one end of dwang with the slider rotates to be connected, the length direction rotation along the spout in the spout is provided with the lead screw, lead screw threaded connection in the slider.

Through adopting above-mentioned technical scheme, operating personnel rotates the lead screw, and the motion of lead screw drive transfer line, and transfer line drive dwang rotates on the bottom plate to the dwang drive peg graft the pole and slide at a section of thick bamboo of pegging graft, and then the inclination of adjusting the baffle.

Preferably, the sliding groove and the sliding block are arranged in a dovetail shape.

By adopting the technical scheme, the dovetail-shaped sliding block can enhance the stability when sliding in the sliding groove.

Preferably, one end of the inner wall of the inserting cylinder, which is far away from the bottom plate, is provided with a limiting ring, the side wall of the inserting rod, which is far away from the baffle plate, is provided with a limiting ring, and the limiting ring is positioned on a motion path of the limiting ring.

Through adopting above-mentioned technical scheme, when drive assembly drive peg graft pole when sliding in a grafting section of thick bamboo, spacing collar butt can restrict the peg graft pole and break away from in a grafting section of thick bamboo in the spacing ring to stability has been strengthened.

Preferably, the screw rod is sleeved with a turbine, a worm is rotationally arranged in the chute, and the worm is meshed with the turbine.

By adopting the technical scheme, the worm is rotated by an operator, the worm drives the worm wheel to rotate, the worm wheel drives the screw rod to rotate, and when the worm is not rotated by the operator, the screw rod can be limited to rotate by utilizing the self-locking characteristic of the worm wheel and the worm.

Preferably, one end of the worm is provided with a hand wheel.

Through adopting above-mentioned technical scheme, operating personnel is through holding the hand wheel, rotation worm that can be convenient.

Preferably, the lower surface of the bottom plate is provided with a plurality of anchor rods for driving into the ground.

Through adopting above-mentioned technical scheme, operating personnel can make the bottom plate fix after nailing the stock in ground, enables the difficult emergence of bottom plate and removes like this.

Preferably, the side wall of the anchor rod is provided with a plurality of barbs.

Through adopting above-mentioned technical scheme, the barb enables the stock and is difficult for being extracted after the nail advances ground, has increased the stability of bottom plate.

In summary, the present application includes at least one of the following beneficial technical effects:

1. an operator uses the driving assembly to drive the insertion rod to slide in the insertion cylinder, and the insertion rod drives the baffle plate to rotate on the bottom plate, so that the inclination angle of the baffle plate is adjusted, and the baffle plate is adaptive to the inclination angle of the side wall of the foundation pit.

2. When the screw rod drives the insertion rod to slide in the insertion cylinder, the limiting ring is abutted against the limiting ring to limit the insertion rod to be separated from the insertion cylinder, so that the stability is enhanced.

3. When the worm is not rotated by an operator, the self-locking characteristic of the worm wheel and the worm is utilized to limit the screw rod to rotate.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is an enlarged schematic view of a portion B in fig. 1.

Fig. 4 is a schematic view of the assembly relationship between the plug barrel and the plug rod in the embodiment of the present application.

In the figure: 1. a base plate; 11. a plug-in barrel; 111. a limiting ring; 12. rotating the rod; 121. a transmission rod; 13. a chute; 131. a slider; 132. a screw rod; 133. a turbine; 134. a worm; 1341. a hand wheel; 14. an anchor rod; 141. a barb; 2. a baffle plate; 21. a plug rod; 211. a limiting ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses building engineering underground structure. Referring to fig. 1, including bottom plate 1, set up in the rectangle form baffle 2 of bottom plate 1 upper surface, baffle 2 laminates in the foundation ditch lateral wall, the lower surface of bottom plate 1 laminates in ground, the welding of bottom plate 1's lower surface has many stock 14 along vertical direction, in this embodiment, the quantity of stock 14 is preferably four, the stock 14 bottom is coniform setting, the lateral wall of stock 14 is equipped with a plurality of barbs 141 that are J-shaped, the top of barb 141 keeps away from the one side slope on ground from stock 14, barb 141 enables stock 14 and is difficult for being extracted after the nail advances ground.

Referring to fig. 1, the bottom side of baffle 2 articulates in one side that is close to the foundation ditch lateral wall in bottom plate 1, be provided with the extensible member that is used for adjusting 2 inclination of baffle between bottom plate 1 and the baffle 2, it is specific, the extensible member is including setting up in the grafting section of thick bamboo 11 of 1 upper surface of bottom plate, set up in the spliced pole 21 that baffle 2 deviates from foundation ditch lateral wall one side, grafting section of thick bamboo 11 all is the slope setting with spliced pole 21, grafting section of thick bamboo 11 all sets up along the direction of perpendicular to baffle 2 bottom side with spliced pole 21, the low level end of grafting section of thick bamboo 11 articulates in bottom plate 1 upper surface, the high level end of grafting section of thick bamboo 11 is the opening setting, the high level end of spliced pole 21 articulates in a side surface that baffle 2 deviates from the foundation ditch lateral wall, the low level end of spliced pole 21 is pegged graft in grafting section of thick bamboo 11, be provided with the drive assembly that is used for driving spliced pole 21 to slide in grafting section of thick bamboo 11 on bottom plate 1.

Specifically, referring to fig. 1 and 2, the driving assembly includes a rotating rod 12 disposed on the upper surface of the bottom plate 1, a transmission rod 121 disposed on the side wall of the rotating rod 12, the rotating rod 12 and the transmission rod 121 are both disposed along the direction perpendicular to the bottom side of the baffle 2, one end of the rotating rod 12 is hinged to the upper surface of the bottom plate 1, the other end of the rotating rod 12 is hinged to the side wall of the insertion rod 21, a sliding groove 13 is disposed on the upper surface of the bottom plate 1 along the direction perpendicular to the bottom side of the baffle 2, a sliding block 131 is slidably connected to the sliding groove 13, the sliding groove 13 and the sliding block 131 are both arranged in a dovetail shape, one end of the transmission rod 121 is hinged to the side wall of the rotating rod 12, the other end of the transmission rod 121 is hinged to the upper surface of the sliding block 131, a lead screw 132 is disposed in the sliding groove 13 along the length direction of the sliding groove 13, two ends of the lead screw 132 are respectively rotatably supported on the end surfaces of the sliding groove 13, and the lead screw 132 is threaded through the sliding block 131.

Meanwhile, referring to fig. 3 and 4, the worm wheel 133 is coaxially and fixedly sleeved on the screw rod 132, the worm 134 is arranged in the chute 13 in the vertical direction, the bottom end of the worm 134 is rotatably supported at the bottom of the chute 13, the worm 134 is meshed with the worm wheel 133, the hand wheel 1341 is welded at the top end of the worm 134, and the screw rod 132 can be limited to rotate by utilizing the self-locking characteristic of the worm wheel 133 and the worm 134 when an operator does not rotate the worm 134. In addition, the high-end inner wall of the insertion tube 11 is circumferentially welded with a limit ring 111, the insertion rod 21 is in insertion fit with the limit ring 111, the low-end side wall of the insertion rod 21 is welded with a limit ring 211, and the limit ring 211 abuts against the side wall of the limit ring 111. When the screw 132 drives the insertion rod 21 to slide in the insertion tube 11, the limiting ring 211 abuts against the limiting ring 111 to limit the insertion rod 21 to be separated from the insertion tube 11, so that the stability is enhanced.

The implementation principle of the embodiment of the application is as follows: an operator places the bottom plate 1 in a foundation pit, the anchor rod 14 is nailed to the ground, then the operator holds the hand wheel 1341 to rotate the worm 134, the worm 134 drives the turbine 133 to rotate, the turbine 133 drives the screw rod 132 to rotate, the screw rod 132 drives the sliding block 131 to slide in the sliding groove 13 to drive the transmission rod 121 to move, the transmission rod 121 drives the rotating rod 12 to rotate on the bottom plate 1, so that the rotating rod 12 drives the inserting rod 21 to slide in the inserting cylinder 11, and further the inclination angle of the baffle plate 2 is adjusted, and the baffle plate 2 can be attached to the side wall of the foundation pit.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a building engineering underground structure which characterized in that: including bottom plate (1), rotate set up in baffle (2) on bottom plate (1), baffle (2) are used for supporting the foundation ditch lateral wall, bottom plate (1) with be provided with the extensible member between baffle (2), the extensible member including rotate set up in a section of thick bamboo (11) of pegging graft of bottom plate (1) upper surface, rotate set up in peg graft pole (21) of baffle (2) lateral wall, the one end of peg graft pole (21) peg graft in peg graft a section of thick bamboo (11), be provided with on bottom plate (1) and be used for the drive peg graft pole (21) are in the drive assembly who slides in pegging graft a section of thick bamboo (11).

2. The construction engineering foundation pit supporting structure of claim 1, wherein: drive assembly including rotate set up in dwang (12), the rotation of bottom plate (1) upper surface set up in transfer line (121) of dwang (12) lateral wall, dwang (12) are kept away from the one end of bottom plate (1) rotate connect in the lateral wall of bayonet joint pole (21), bottom plate (1) upper surface is provided with spout (13) along the direction of being close to or keeping away from the foundation ditch lateral wall, spout (13) internal slipping is connected with slider (131), transfer line (121) are kept away from the one end of dwang (12) with slider (131) rotate to be connected, the length direction rotation along spout (13) in spout (13) is provided with lead screw (132), lead screw (132) threaded connection in slider (131).

3. The construction engineering foundation pit supporting structure of claim 2, wherein: the sliding groove (13) and the sliding block (131) are both arranged in a dovetail shape.

4. The construction engineering foundation pit supporting structure of claim 1, wherein: the plug-in connection device is characterized in that a limiting ring (111) is arranged at one end, far away from the bottom plate (1), of the inner wall of the plug-in connection barrel (11), a limiting ring (211) is arranged on the side wall of one end, far away from the baffle plate (2), of the plug-in connection rod (21), and the limiting ring (111) is located on the motion path of the limiting ring (211).

5. The construction engineering foundation pit supporting structure of claim 2, wherein: the screw rod (132) is sleeved with a turbine (133), a worm (134) is arranged in the sliding groove (13) in a rotating mode, and the worm (134) is meshed with the turbine (133).

6. The construction engineering foundation pit supporting structure of claim 5, wherein: one end of the worm (134) is provided with a hand wheel (1341).

7. The construction engineering foundation pit supporting structure of claim 1, wherein: the lower surface of the bottom plate (1) is provided with a plurality of anchor rods (14) which are used for being driven into the ground.

8. The construction engineering foundation pit supporting structure of claim 7, wherein: the lateral wall of stock (14) is provided with many barbs (141).

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