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CN-224213371-U - Push pipe open caisson structure

CN224213371UCN 224213371 UCN224213371 UCN 224213371UCN-224213371-U

Abstract

The utility model relates to the technical field of pipe jacking open caissons, in particular to a pipe jacking open caisson structure which comprises an open caisson body, wherein the open caisson body comprises a first assembly well, a second assembly well, a third assembly well and a fourth assembly well, a connecting assembly is arranged on the inner side of the open caisson body, the connecting assembly comprises a first filling hole, a first clamping groove, a first clamping block, a first fixing rib, a second filling hole, a second clamping groove, a second clamping block, a second fixing rib, a third filling hole, a third clamping groove, a third clamping block and a third fixing rib, concrete sealing blocks are filled in the first clamping groove, the second clamping groove and the third clamping groove, a plurality of groups of prefabricated assembly wells are mutually spliced, installation and transportation efficiency of the open caisson body is improved, meanwhile, the connecting positions of the plurality of groups of assembly wells are sealed through filling Kong Xiangka, the sealing performance of the connecting positions of the plurality of groups of assembly wells is improved while the connecting strength of the plurality of groups of assembly wells is improved, and waterproof performance of the open caisson body is further effectively improved.

Inventors

  • DU LINLIN

Assignees

  • 广东楠柏建设工程有限公司

Dates

Publication Date
20260508
Application Date
20250606

Claims (8)

  1. 1. The utility model provides a push pipe open caisson structure, includes open caisson body (1), its characterized in that open caisson body (1) includes first assembly well (2), second assembly well (3), third assembly well (4) and fourth assembly well (5), the inboard of open caisson body (1) is provided with coupling assembling, coupling assembling includes first filling hole (21), first joint groove (22), first joint piece (31), first fixed muscle (32), second filling hole (33), second joint groove (34), second joint piece (41), second fixed muscle (42), third filling hole (43), third joint groove (48), third joint piece (51), third fixed muscle (52), the inside of first joint groove (22), second joint groove (34) and third joint groove (48) is filled with concrete sealing piece (6).
  2. 2. The pipe-jacking open caisson structure according to claim 1, wherein a plurality of groups of first pouring holes (21) are formed in the upper surface of the first assembly well (2), the first clamping grooves (22) are formed in the lower end of the first assembly well (2), and the lower ends of the first pouring holes (21) are communicated with the first clamping grooves (22).
  3. 3. The pipe-jacking open caisson structure according to claim 1, wherein the first clamping blocks (31) are poured at the upper end of the second assembly well (3), a plurality of groups of first fixing ribs (32) are fixedly connected to the upper sides of the first clamping blocks (31), a plurality of groups of second pouring holes (33) are formed in the surfaces of the first clamping blocks (31), the second clamping grooves (34) are formed in the lower end of the second assembly well (3), and the lower ends of the second pouring holes (33) are communicated with the second clamping grooves (34).
  4. 4. The pipe-jacking open caisson structure according to claim 1, wherein the second clamping blocks (41) are poured at the upper end of the third assembly well (4), a plurality of groups of second fixing ribs (42) are fixedly connected to the upper sides of the second clamping blocks (41), a plurality of groups of third pouring holes (43) are formed in the surfaces of the second clamping blocks (41), third clamping grooves (48) are formed in the lower end of the third assembly well (4), and the lower ends of the third pouring holes (43) are communicated with the third clamping grooves (48).
  5. 5. The pipe-jacking open caisson structure according to claim 1, wherein the third clamping blocks (51) are cast at the upper end of the fourth assembly well (5), a plurality of groups of third fixing ribs (52) are fixedly connected to the upper side of the third clamping blocks (51), a bottom sealing concrete layer (53) is cast at the lower side of the inner portion of the fourth assembly well (5), and a water stop strip (54) is cast at the upper side of the bottom sealing concrete layer (53).
  6. 6. The pipe-jacking open caisson structure according to claim 1, wherein a side baffle (23) is poured at the outer side edge of the upper end of the first assembly well (2), two groups of concrete top covers (24) are clamped at the inner side edge of the upper end of the first assembly well (2), and an open caisson climbing opening (25) is formed in the rear end of the concrete top cover (24) on the right side.
  7. 7. The pipe-jacking open caisson structure according to claim 1, wherein a first reserved hole (44) is formed in the front side surface of the third assembly well (4), a first equipment pipe (45) is connected to the first reserved hole (44), two groups of second reserved holes (46) are formed in the right side of the third assembly well (4), and a second equipment pipe (47) is connected to the second reserved holes (46).
  8. 8. The pipe-jacking open caisson structure according to claim 1, wherein water stop piles (7) are filled around the open caisson body (1), and foundation treatment piles (8) are filled at the bottom of the open caisson body (1).

Description

Push pipe open caisson structure Technical Field The utility model relates to the technical field of pipe-jacking open caissons, in particular to a pipe-jacking open caisson structure. Background In order to ensure smooth passage of urban roads and reduce ground excavation area of underground engineering, in rainwater sewage and communication power pipeline underground or reconstruction engineering, a pipe jacking construction method is mainly adopted for construction, the construction progress of a working well is important to the total progress of pipe jacking construction as an important component procedure of pipe jacking construction, in order to improve the construction progress, a prefabricated assembly type open caisson is generally adopted for construction, and in order to improve the stability of connection between two assembly modules, a connecting piece is generally adopted for connection. The utility model discloses a push pipe open caisson prefabricated assembly structure, wherein, bulletin number CN221919493U discloses a push pipe open caisson prefabricated assembly structure, including the assembly devices that connect gradually in the vertical direction of a plurality of groups, the quick assembly of assembly devices is convenient for through coupling assembling's setting to can assemble the push pipe open caisson of different sizes as required, connection stability is high, and the assembly is swift convenient, improves assembly quality, improves machining efficiency. However, the sealing performance of the open caisson structure is lower than that of an integral pouring open caisson structure, and because the open caisson is located in a deep position under the ground, in the long-time use process, groundwater is easy to permeate into the open caisson through the connecting part of the assembly part, so that corrosion is easy to be caused to equipment in the open caisson, and the use safety of the equipment is affected. Therefore, it is necessary to invent a pipe-jacking open caisson structure to solve the above problems. Disclosure of utility model The utility model aims to provide a pipe-jacking open caisson structure, which aims to solve the problems that in the technology, the tightness is low, and underground water easily permeates into the open caisson through the connecting part of an assembly part, so that the use safety of equipment is affected. In order to achieve the purpose, the utility model provides the jacking pipe open caisson structure, which comprises an open caisson body, wherein the open caisson body comprises a first assembly well, a second assembly well, a third assembly well and a fourth assembly well, a connecting assembly is arranged on the inner side of the open caisson body, the connecting assembly comprises a first pouring hole, a first clamping groove, a first clamping block, a first fixing rib, a second pouring hole, a second clamping groove, a second clamping block, a second fixing rib, a third pouring hole, a third clamping groove, a third clamping block and a third fixing rib, and concrete sealing blocks are poured in the first clamping groove, the second clamping groove and the third clamping groove. Through adopting above-mentioned technical scheme, multiunit assembly well all adopts prefabricated mode preparation, it is fixed through multiunit joint groove and joint piece joint between the multiunit assembly well, improve the concatenation precision, simultaneously through multiunit pouring hole respectively to multiunit joint inslot portion pouring concrete, utilize the concrete sealing piece to seal multiunit assembly well's junction, and then when improving multiunit assembly well joint strength, improve multiunit assembly well junction's leakproofness, and then effectively improve the waterproof performance of open caisson body, avoid inside groundwater infiltration, improve open caisson body internal equipment safety in utilization. Optionally, the upper surface of first assembly well has seted up multiunit first filling hole, first joint groove is seted up in the lower extreme of first assembly well, the lower extreme of first filling hole link up with first joint groove mutually. By adopting the technical scheme, the first pouring hole is used for pouring concrete into the first clamping groove. Optionally, the upper end at the second assembly well is pour to first joint piece, the first fixed muscle of multiunit of upside fixedly connected with of first joint piece, the multiunit second is filled the hole has been seted up on the surface of first joint piece, the second joint groove is seted up at the lower extreme of second assembly well, the second fills the hole lower extreme and link up mutually with the second joint groove. Through adopting above-mentioned technical scheme, inside first joint groove is gone into to first joint piece card, splices first assembly well and second assembly well, and the second fills the hole and is used for pou