Main body structure pouring device for deep foundation pit cover excavation construction

By introducing a length adjustment structure and a cleaning system into the deep foundation pit excavation and cover construction device, the problem of fixed length of concrete feeding components was solved, achieving flexible pouring and safe fall prevention.

CN223853390UActive Publication Date: 2026-01-30SCEGC NO 4 CONSTR ENG GRP CO LTD
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Patent Information

Application Number
CN202520371782.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2026-01-30
Estimated Expiration
2035-03-05

AI Technical Summary

Technical Problem

In existing deep foundation pit excavation and cover construction main structure pouring devices, the concrete feeding component has a fixed length and cannot be adjusted, which makes it impossible to effectively pour concrete at different locations.

Method used

A length adjustment structure including a pouring channel, a connecting channel, a base frame, a threaded inner hole, and locking bolts was designed to allow for adjustment of the pouring component length. It is equipped with a water pump, a water supply pipe, and a water spray nozzle for cleaning, and combined with a pre-embedded steel pipe and an inner frame for fall protection.

Benefits of technology

The concrete feeding component length can be flexibly adjusted, making it easy to pour concrete at different locations. It can also be cleaned and prevent foreign objects from falling in, thus improving construction efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of underground engineering construction, and discloses a main body structure pouring device for deep foundation pit cover excavation construction, which comprises a bottom plate and a pouring channel, the top end of the bottom plate is provided with a structural outer wall, the top end of the structural outer wall is provided with a top plate, and the top end of the bottom plate is provided with a support. And a pouring channel is fixedly mounted in the bracket. When the main body structure pouring device for deep foundation pit cover excavation construction is installed and used, locking bolts II are unscrewed outwards at the two ends of the bottom frame, meanwhile, locking bolts I at the bottom of the bottom frame are unscrewed, then a connecting channel can be unlocked in the bottom frame, and then the connecting channel can be pulled out rightwards on the right side of the bottom end of a pouring channel; and the conveying length of the pouring channel can be lengthened and adjusted through the connecting channel, pouring is adjusted at different positions, and the problem that the using length of the concrete feeding assembly is inconvenient to adjust is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to underground engineering construction technical field, concretely is a kind of main structure pouring device of deep foundation pit cover excavation construction. BACKGROUND

[0002] Cover excavation method foundation pit construction is a kind of method that after excavating a certain depth from ground, building cover plate will top be closed, and then carry out foundation pit construction under closed top cover, wherein when pouring construction of concrete to main structure of underground deep foundation pit cover excavation construction, in order to facilitate the transfer of ground concrete to underground construction position, some main structure pouring device of deep foundation pit cover excavation construction needs to be used.

[0003] But the main structure pouring device of deep foundation pit cover excavation construction in the process of actual operation and use, the conveying assembly for transferring and pouring concrete pouring material inside pouring device is fixed in length after installation, generally only can carry out the conveying and pouring of concrete material of fixed position, there is deficiency, does not have the measure for adjusting the length of use of concrete feeding assembly.

[0004] Now, a new type of main structure pouring device of deep foundation pit cover excavation construction is proposed to solve the above problems. INVENTION CONTENTS

[0005] The utility model is to provide a kind of main structure pouring device of deep foundation pit cover excavation construction, to solve the problem of not being convenient for adjusting the length of use of concrete feeding assembly in the above background technique.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of main structure pouring device of deep foundation pit cover excavation construction, including bottom plate and pouring channel, the top of bottom plate is provided with structure outer wall, and the top of structure outer wall is provided with top plate, the top of bottom plate is installed with support, and pouring channel is fixed in the inside of support, the inside of top plate is preformed with installation port, and pre-embedded steel pipe is fixed in the inside of installation port, the right side of the bottom end of pouring channel is provided with length adjusting structure for adjusting the length of device pouring assembly conveying;

[0007] The length adjusting structure includes connecting channel, bottom bracket, screw hole one, locking bolt one, limit plate, locking bolt two and screw hole two, the right side of the bottom end of pouring channel is provided with connecting channel, and the left side of connecting channel is fixed with limit plate, the right side of the bottom end of pouring channel is fixed with bottom bracket, the inside of both sides of the both ends of bottom bracket is respectively provided with screw hole two, and locking bolt two is rotatably connected in the inside of screw hole two, screw hole one is respectively arranged at the four corners of the bottom end of bottom bracket, and locking bolt one is rotatably connected in the inside of screw hole one.

[0008] As a further technical scheme of the utility model, the pouring channel and the connecting channel are connected with each other.

[0009] As a further technical scheme of the utility model, the threaded inner hole two respectively penetrate the inside of the two ends of the chassis, and the threaded inner hole one penetrates the inside of the bottom end of the chassis.

[0010] As a further technical scheme of the utility model, the water pump is fixed to the left side of the top end of the bottom plate, and the water delivery pipe is fixed to the output end of the water pump, the water suction pipe is fixed to the input end of the water pump, the water distribution pipe is fixed to the top end of the right side of the structure outer wall, and the water outlet nozzle is fixed to the bottom end of the water distribution pipe.

[0011] As a further technical scheme of the utility model, the water delivery pipe is fixedly connected between the top end and the left side of the water distribution pipe, and the inside of the water delivery pipe and the water distribution pipe are connected with each other.

[0012] As a further technical scheme of the utility model, the water outlet nozzle is provided with a plurality of groups at equal intervals at the bottom end of the water distribution pipe.

[0013] As a further technical scheme of the utility model, the inner frame one is fixed to the top end of the inside of the embedded steel pipe, and the inner frame two is fixed to the top end of the inner frame one, and the outer side of the inner frame two and the inside of the embedded steel pipe are fixedly connected.

[0014] As a further technical scheme of the utility model, the mounting port penetrates the inside of the top plate, the bottom end of the embedded steel pipe penetrates the inside of the mounting port and extends to the left side position of the top end of the pouring channel, and the top cover is arranged at the top end of the inside of the mounting port.

[0015] Compared with the prior art, the utility model has the advantages that the main structure pouring device for deep foundation pit cover excavation construction can conveniently adjust the use length of the concrete feeding assembly, conveniently clean the inside of the concrete feeding assembly, and conveniently prevent falling of the concrete feeding inlet position of the device.

[0016] (1) by being provided with the pouring channel, the connecting channel, the chassis, the threaded inner hole one, the locking bolt one, the limiting plate, the locking bolt two and the threaded inner hole two, when the pouring device is installed and used, the locking bolt two is loosened outward at the two ends of the chassis, and the locking bolt one at the bottom of the chassis is loosened at the same time, then the connecting channel in the inside of the chassis is unlocked, and then the connecting channel is pulled out to the right at the right side of the bottom end of the pouring channel, the connecting channel can be used for lengthening and adjusting the feeding length of the pouring channel, and different positions can be adjusted and poured.

[0017] (2) by being provided with the bottom plate, the structure outer wall, the water distribution pipe, the water delivery pipe, the water pump, the water outlet spray head and the water suction pipe, when the device is used, after the water suction pipe is connected to the external water supply pipe, the cleaning water can be pumped to the inside of the water distribution pipe by controlling the water pump to start, and then can be sprayed in the inside of the pouring channel by the multiple water outlet spray heads at the bottom, and the flowing water can be used for assisting in flushing and cleaning the inside of the pouring channel;

[0018] (3) by being provided with the embedded steel pipe, the inner frame one and the inner frame two, when the pouring device is used, the external concrete material is injected from the embedded steel pipe at the ground position, and the concrete material can be delivered and poured to the inside of the deep foundation pit by using the pre-paved pouring channel, when the embedded steel pipe is used for pouring the concrete, the inner frame one and the inner frame two are fixed at the top end in the embedded steel pipe, and the inner frame one and the inner frame two can be used for assisting in closing the inside of the pouring port, so that the situation that the external foreign matters accidentally fall in is reduced and prevented. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 it is the front view sectional structure schematic view of the utility model;

[0020] Figure 2 it is the front view sectional structure schematic view of the utility model Figure 1 in A place amplification structure schematic view;

[0021] Figure 3 it is the chassis front view partial sectional structure schematic view of the utility model;

[0022] Figure 4 it is the water distribution pipe side view structure schematic view of the utility model;

[0023] Figure 5 it is the embedded steel pipe top view amplification structure schematic view of the utility model.

[0024] In the drawing: 1, bottom plate; 2, structure outer wall; 3, support; 4, top plate; 5, embedded steel pipe; 6, water distribution pipe; 7, water delivery pipe; 8, pouring channel; 9, water pump; 10, water suction pipe; 11, connecting channel; 12, chassis; 13, threaded hole one; 14, locking bolt one; 15, top cover; 16, mounting port; 17, inner frame one; 18, inner frame two; 19, limit plate; 20, locking bolt two; 21, threaded hole two; 22, water outlet spray head. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range protected by the utility model.

[0026] Referring to Figures 1-5 The utility model provides a kind of embodiment: a kind of main structure pouring device of deep foundation pit cover excavation construction, including bottom plate 1 and pouring channel 8, the top of bottom plate 1 is provided with structure outer wall 2, and the top of structure outer wall 2 is provided with top plate 4, the top of bottom plate 1 is equipped with support 3, and pouring channel 8 is fixed in the inside of support 3, the inside of top plate 4 is preformed with mounting port 16, and preburied steel pipe 5 is fixed in the inside of mounting port 16, the right side of pouring channel 8 bottom end is provided with length adjusting structure for adjusting the length of device pouring assembly conveying;

[0027] Length adjusting structure includes connecting channel 11, chassis 12, screw hole one 13, locking bolt one 14, limit plate 19, locking bolt two 20 and screw hole two 21, the right side of pouring channel 8 bottom end is provided with connecting channel 11, and the left side of connecting channel 11 is fixed with limit plate 19, the right side of pouring channel 8 bottom end is fixed with chassis 12, and the inside of both sides of both ends of chassis 12 is respectively provided with screw hole two 21, and locking bolt two 20 is rotatably connected in the inside of screw hole two 21, and screw hole one 13 is respectively provided at the four corners of the bottom end of chassis 12, and locking bolt one 14 is rotatably connected in the inside of screw hole one 13;

[0028] The inside of pouring channel 8 is connected with the inside of connecting channel 11, screw hole two 21 respectively penetrates the inside of both ends of chassis 12, and screw hole one 13 penetrates the inside of the bottom end of chassis 12;

[0029] Specifically, as shown in Figure 1 And Figure 3 Locking bolt two 20 is loosened outward at both ends of chassis 12 respectively, and locking bolt one 14 at the bottom of chassis 12 is loosened at the same time, then connecting channel 11 can be unlocked in the inside of chassis 12, and then connecting channel 11 can be pulled out to the right at the right side of pouring channel 8 bottom end, and the length of pouring channel 8 can be extended and adjusted using connecting channel 11.

[0030] The left side of the top of bottom plate 1 is fixed with water pump 9, and the output end of water pump 9 is fixed with water delivery pipe 7, the input end of water pump 9 is fixed with water suction pipe 10, the top of the right side of structure outer wall 2 is fixed with water distribution pipe 6, and the bottom end of water distribution pipe 6 is fixed with water outlet nozzle 22, the top of water delivery pipe 7 is fixedly connected with the left side of water distribution pipe 6, the inside of water delivery pipe 7 is connected with the inside of water distribution pipe 6, and multiple groups of water outlet nozzles 22 are arranged at equal intervals at the bottom end of water distribution pipe 6.

[0031] Specifically, as shown in Figure 1 And Figure 4As shown, after connecting the water suction pipe 10 to the external water supply pipe, the cleaning water can be pumped into the inside of the distribution pipe 6 through the water pump 9, and then sprayed out from the bottom multiple water outlet nozzles 22 into the inside of the pouring channel 8, so that the inside of the pouring channel 8 can be cleaned and flushed with flowing water.

[0032] The top end of the embedded steel pipe 5 is fixed with an inner frame one 17, and the top end of the inner frame one 17 is fixed with an inner frame two 18, and the outer side of the inner frame two 18 is fixedly connected with the inner side of the embedded steel pipe 5.

[0033] Specifically, as shown in Figure 1 , Figure 2 and Figure 5 , the external concrete material is injected from the ground position embedded steel pipe 5, and the pre-paved pouring channel 8 can be used to deliver and pour the concrete material into the deep foundation pit, and when the embedded steel pipe 5 is used for pouring concrete, the top end of the embedded steel pipe 5 is fixed with the inner frame one 17 and the inner frame two 18, and the inner frame one 17 and the inner frame two 18 can be used to assist in closing and preventing falling in the pouring port.

[0034] The mounting port 16 penetrates the inside of the top plate 4, the bottom end of the embedded steel pipe 5 penetrates the inside of the mounting port 16 and extends to the left side position of the top end of the pouring channel 8, and the top end of the inside of the mounting port 16 is provided with a top cover 15.

[0035] Working principle: when the pouring device of the utility model is installed and used, the locking bolt two 20 is loosened outward at both ends of the chassis 12, and at the same time, the locking bolt one 14 at the bottom of the chassis 12 is loosened, so that the connecting channel 11 in the inside of the chassis 12 can be unlocked, and then the connecting channel 11 can be pulled out to the right side of the bottom end of the pouring channel 8, so that the length of the pouring channel 8 can be extended and adjusted for use, and when the pouring device is installed and used, the external concrete material is injected from the ground position embedded steel pipe 5, and the pre-paved pouring channel 8 can be used to deliver and pour the concrete material into the deep foundation pit, and when the embedded steel pipe 5 is used for pouring concrete, the top end of the embedded steel pipe 5 is fixed with the inner frame one 17 and the inner frame two 18, and the inner frame one 17 and the inner frame two 18 can be used to assist in closing and preventing falling in the pouring port, and when the device is used, after connecting the water suction pipe 10 to the external water supply pipe, the cleaning water can be pumped into the inside of the distribution pipe 6 through the water pump 9, and then sprayed out from the bottom multiple water outlet nozzles 22 into the inside of the pouring channel 8, so that the inside of the pouring channel 8 can be cleaned and flushed with flowing water.

[0036] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A main structure pouring device for deep foundation pit top-down construction, comprising a bottom plate (1) and a pouring channel (8), characterized in that: The top end of the bottom plate (1) is provided with a structural outer wall (2), and the top end of the structural outer wall (2) is provided with a top plate (4), the top end of the bottom plate (1) is provided with a support (3), and the inside of the support (3) is fixedly provided with a pouring channel (8), the inside of the top plate (4) is provided with a mounting hole (16), and the inside of the mounting hole (16) is fixedly provided with a pre-buried steel pipe (5), and the right side of the bottom end of the pouring channel (8) is provided with a length adjusting structure for adjusting the conveying length of the pouring assembly. The length adjusting structure comprises a connecting channel (11), a bottom frame (12), a threaded hole (13), a locking bolt (14), a limiting plate (19), a locking bolt (20) and a threaded hole (21), the right side of the bottom end of the pouring channel (8) is provided with a connecting channel (11), and the left side of the connecting channel (11) is fixedly provided with a limiting plate (19), the right side of the bottom end of the pouring channel (8) is fixedly provided with a bottom frame (12), the inside of both ends of the bottom frame (12) is respectively provided with a threaded hole (21), and the inside of the threaded hole (21) is rotatably connected with a locking bolt (20), and the four corners of the bottom end of the bottom frame (12) are respectively provided with a threaded hole (13), and the inside of the threaded hole (13) is rotatably connected with a locking bolt (14).

2. The main structure pouring device for top-down construction of deep foundation pit according to claim 1, characterized in that: The inside of the pouring channel (8) and the connecting channel (11) is communicated.

3. The main structure pouring device for top-down construction of deep foundation pit according to claim 1, characterized in that: The threaded hole (21) penetrates the inside of both ends of the bottom frame (12), and the threaded hole (13) penetrates the inside of the bottom end of the bottom frame (12).

4. The main structure pouring device for top-down construction of deep foundation pit according to claim 1, characterized in that: The left side of the top end of the bottom plate (1) is fixedly provided with a water pump (9), and the output end of the water pump (9) is fixedly provided with a water conveying pipe (7), the input end of the water pump (9) is fixedly provided with a water suction pipe (10), the top end of the right side of the structural outer wall (2) is fixedly provided with a water distribution pipe (6), and the bottom end of the water distribution pipe (6) is fixedly provided with a water outlet nozzle (22).

5. The device according to claim 4, wherein: The top end of the water conveying pipe (7) is fixedly connected with the left side of the water distribution pipe (6), and the inside of the water conveying pipe (7) and the water distribution pipe (6) is communicated.

6. The device according to claim 4, wherein: The water outlet nozzle (22) is provided with a plurality of groups at equal intervals at the bottom end of the water distribution pipe (6).

7. The device according to claim 1, wherein: The top end of the inside of the pre-buried steel pipe (5) is fixedly provided with an inner frame (17), and the top end of the inner frame (17) is fixedly provided with an inner frame (18), and the outer side of the inner frame (18) is fixedly connected with the inner side of the pre-buried steel pipe (5).

8. The device according to claim 1, wherein: The mounting hole (16) penetrates the inside of the top plate (4), the bottom end of the pre-buried steel pipe (5) penetrates the inside of the mounting hole (16) and extends to the left side of the top end of the pouring channel (8), and the top end of the inside of the mounting hole (16) is provided with a top cover (15).