CN114645537A

CN114645537A - A freezing formula of salt solution prevents system that subsides for underground structure construction

Info

Publication number: CN114645537A
Application number: CN202210305041.6A
Authority: CN
Inventors: 胡成宝; 蒋吉清; 禹军业; 吴熙; 刘嘉英
Original assignee: Hangzhou City University
Current assignee: Hangzhou City University
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-06-21
Also published as: LU501868B1

Abstract

The invention discloses a brine freezing type anti-settling system for underground structure construction, which comprises a transport vehicle, a carriage, a base, a freezer and a storage battery, wherein the carriage is arranged on one side of the transport vehicle, the freezer comprises a freezing pipe, a liquid supply pipe and a liquid return pipe, the water inlet end and the water outlet end of the freezing pipe are respectively communicated with one side of the liquid supply pipe and one side of the liquid return pipe, the base is positioned in the inner cavity of the carriage, and the storage battery is arranged at the top of the base; the transport vehicle and the carriage are arranged to transport and accommodate instruments required by frozen soil work, and compared with the traditional building for protecting the instruments, the transport vehicle and the carriage have the advantages that the maneuverability and the convenience degree are improved; by arranging the damping mechanism, the equipment in the vehicle can be damped and protected during transportation; through setting up ventilation assembly, can evacuate the heat that produces when refrigerating unit heat transfer, can protect refrigerating unit, improved the refrigeration performance of equipment.

Description

A freezing formula of salt solution prevents system that subsides for underground structure construction

Technical Field

The invention relates to the technical field of underground construction equipment, in particular to a brine freezing type anti-sedimentation system for underground structure construction.

Background

The freezing method is a special construction technology which utilizes an artificial refrigeration technology to freeze water in a stratum, changes natural rock soil into frozen soil, increases the strength and the stability of the frozen soil, isolates the connection between underground water and underground engineering, and facilitates the digging and laying construction of a shaft or the underground engineering under the protection of a frozen wall; the brine circulation plays a role in cold energy transmission in the refrigeration process, and the circulation system is powered by the flow of the brine. The freezer is a heat exchanger for exchanging heat between low-temperature brine and the stratum, and the faster the brine flow speed is, the higher the heat exchange strength is.

The construction mode of current salt solution freezing method is gone on in the open air usually, and refrigerating unit installs in the external world usually, needs zero hour to build supporting house and protects it, very consumes manpower and physics like this, and mobility is relatively poor, is difficult to install the dismantlement, therefore we need propose a salt solution freezing formula anti-settlement system who is used for underground structure construction.

Disclosure of Invention

The invention aims to provide a brine freezing type anti-sedimentation system for underground structure construction, which has the advantages of good maneuverability and good protection effect and solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a brine freezing type anti-sedimentation system for underground structure construction comprises a transport vehicle, a carriage, a base, a freezer and a storage battery, wherein the carriage is arranged on one side of the transport vehicle, the freezer comprises a freezing pipe, a liquid supply pipe and a liquid return pipe, the water inlet end and the water outlet end of the freezing pipe are respectively communicated with one sides of the liquid supply pipe and the liquid return pipe, the base is positioned in an inner cavity of the carriage, the storage battery is arranged at the top of the base, a damping mechanism is arranged between the base and the carriage, a ventilation component is arranged on one side of the top of the base, a water storage component is arranged on the other side of the top of the base, and a refrigerating mechanism is arranged at the top of the base;

the ventilation assembly comprises a support, the top of the support is fixedly installed on a base, a fan is installed on one side of the support and above the refrigerating mechanism, a connecting rod is installed on one side of the top of the support, a buffer seat is installed on one side of an inner cavity of the carriage, and the top of the buffer seat is connected with the bottom of the connecting rod.

Preferably, the damping mechanism comprises a sleeve, the sleeve is installed at four corners of the bottom of the inner cavity of the carriage, a first spring is installed inside the sleeve, a top rod is installed at the top of the first spring, and the top of the top rod penetrates through the sleeve in a sliding mode and extends to the outside of the sleeve to be bolted with the base.

Preferably, the refrigerating mechanism comprises a refrigerating unit and a refrigerating box, the refrigerating unit and the refrigerating box are both installed at the top of the base, and the refrigerating end of the refrigerating unit is communicated with the inner cavity of the refrigerating box.

Preferably, the top of the liquid return pipe is communicated with a first valve, and the top of the refrigeration box is communicated with the first valve through a pipeline.

Preferably, the retaining subassembly includes water storage box, first water pump and second water pump, first water pump is installed at the top of water storage box and water storage box intercommunication, the end of intaking of first water pump communicates with the bottom of refrigeration case one side.

Preferably, one side of the water storage tank is communicated with a water inlet end of the second water pump, the top of the liquid supply pipe is communicated with the second valve, and a water discharge end of the second water pump is communicated with the second valve through a pipeline.

Preferably, the buffer seat comprises a shell, a second spring is installed at the bottom of an inner cavity of the shell, a pressure lever is inserted into the top of the shell in a sliding mode, the top of the second spring is attached to the bottom of the pressure lever, a third spring is sleeved on the surface of the pressure lever and located in the inner cavity of the shell, and the top of the pressure lever is welded to the bottom of the connecting rod.

Preferably, a skylight is arranged at the top of the carriage and is positioned above the refrigerating unit.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention can transport and contain the instruments required by the frozen soil work by arranging the transport vehicle and the carriage, and improves the maneuverability and the convenience degree compared with the traditional method for building a building to protect the instruments.

2. By arranging the damping mechanism, the device in the vehicle can be protected in a damping way during transportation; through setting up ventilation assembly, can evacuate the heat that produces when refrigerating unit heat transfer, can protect refrigerating unit, improved the refrigeration performance of equipment.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front sectional view of the vehicle body of the present invention;

FIG. 3 is a schematic perspective view of the freezer of the present invention;

FIG. 4 is a diagram of the location of the freezer in operation with respect to the ground in accordance with the present invention;

FIG. 5 is a schematic bottom view of the fan of the present invention;

FIG. 6 is a front sectional view of the cushion seat of the present invention.

In the figure: 1. a transportation vehicle; 2. a carriage; 3. a base; 4. a storage battery; 5. a freezing pipe; 6. a liquid supply tube; 7. a liquid return pipe; 8. a damping mechanism; 9. a ventilation assembly; 10. a water storage assembly; 11. a refrigeration mechanism; 12. a support; 13. a fan; 14. a connecting rod; 15. a buffer seat; 16. a sleeve; 17. a first spring; 18. a top rod; 19. a refrigeration unit; 20. a refrigeration case; 21. a first valve; 22. a water storage tank; 23. a first water pump; 24. a second water pump; 25. a second valve; 26. a housing; 27. a second spring; 28. a pressure lever; 29. a third spring; 30. a skylight is provided.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a freezing formula of salt solution prevents system of subsiding for underground structure construction, includes transport vechicle 1, carriage 2, base 3, freezes ware and battery 4, and carriage 2 sets up in one side of transport vechicle 1, and base 3 is located the inner chamber in carriage 2, and battery 4 installs at the top of base 3, and through setting up battery 4, battery 4 is used for supplying power with electrical apparatus to the device.

A damping mechanism 8 is arranged between the base 3 and the carriage 2, a ventilation component 9 is arranged on one side of the top of the base 3, a water storage component 10 is arranged on the other side of the top of the base 3, and a refrigerating mechanism 11 is arranged on the top of the base 3; can transport and hold the required apparatus of frozen soil work through setting up transport vechicle 1 and carriage 2, improve mobility and convenient degree.

The ventilation assembly 9 comprises a support 12, the support 12 is fixedly arranged at the top of the base 3, a fan 13 is arranged on one side of the support 12 and above the refrigerating mechanism 11, a connecting rod 14 is arranged on one side of the top of the support 12, a buffer seat 15 is arranged on one side of the inner cavity of the carriage 2, and the top of the buffer seat 15 is connected with the bottom of the connecting rod 14.

The top of the compartment 2 is provided with a skylight 30, and the skylight 30 is positioned above the refrigerating unit 19. Through setting up skylight 30, skylight 30 is used for conveniently circulating the air in the carriage 2, starts fan 13, and fan 13 extracts the heat that refrigerating unit 19 produced to discharge the outside in carriage 2 through skylight 30, thereby realize assisting refrigerating unit 19 and carry out radiating purpose.

The damping mechanism 8 comprises a sleeve 16, the sleeve 16 is arranged at the four corners of the bottom of the inner cavity of the carriage 2, a first spring 17 is arranged inside the sleeve 16, a top rod 18 is arranged at the top of the first spring 17, and the top of the top rod 18 penetrates through the sleeve 16 in a sliding manner and extends to the outside of the sleeve 16 to be bolted with the base 3; . The base 3 is used for supporting the instruments in the vehicle, and the instruments in the vehicle can be protected when the transport vehicle 1 runs through the matching use of the base 3 and the damping mechanism 8.

The base 3 drives the ejector rod 18 to move, the ejector rod 18 pushes the first spring 17, and the bumping borne by the base 3 can be buffered through the first spring 17, so that the purpose of protecting equipment in the vehicle is achieved; the buffer seat 15 comprises a shell 26, a second spring 27 is installed at the bottom of an inner cavity of the shell 26, a pressure lever 28 is inserted into the top of the shell 26 in a sliding mode, the top of the second spring 27 is attached to the bottom of the pressure lever 28, a third spring 29 is sleeved on the surface of the pressure lever 28 and located in the inner cavity of the shell 26, and the top of the pressure lever 28 is welded to the bottom of the connecting rod 14. When the base 3 is bumped, the bracket 12 is driven to move, the bracket 12 presses the pressure rod 28 through the connecting rod 14, and the impact on the fan 13 can be buffered through the second spring 27 and the third spring 29, so that the aim of protecting the fan 13 is fulfilled.

The freezer comprises a freezing pipe 5, a liquid supply pipe 6 and a liquid return pipe 7, wherein the water inlet end and the water outlet end of the freezing pipe 5 are respectively communicated with one side of the liquid supply pipe 6 and one side of the liquid return pipe 7. The refrigerating mechanism 11 comprises a refrigerating unit 19 and a refrigerating box 20, the refrigerating unit 19 and the refrigerating box 20 are both installed at the top of the base 3, and a refrigerating end of the refrigerating unit 19 is communicated with an inner cavity of the refrigerating box 20. The top of the liquid return pipe 7 is communicated with a first valve 21, and the top of the refrigeration box 20 is communicated with the first valve 21 through a pipeline. By providing the refrigeration unit 19, the refrigeration unit 19 is used to refrigerate the brine in the refrigeration tank 20.

The water storage assembly 10 comprises a water storage tank 22, a first water pump 23 and a second water pump 24, wherein the first water pump 23 is installed at the top of the water storage tank 22, the water storage tank 22 is communicated with the first water pump 23, and the water inlet end of the first water pump 23 is communicated with the bottom of one side of the refrigeration tank 20. One side of the water storage tank 22 is communicated with the water inlet end of the second water pump 24, the top of the liquid supply pipe 6 is communicated with a second valve 25, and the water outlet end of the second water pump 24 is communicated with the second valve 25 through a pipeline. Through starting first water pump 23, first water pump 23 carries the salt water after refrigerating in with refrigeration case 20 to water storage box 22 in, through starting second water pump 24, second water pump 24 carries salt water to in the feed pipe 6, later the salt water in the feed pipe 6 enters into freezes in the pipe 5, freezes suddenly around the pipe 5, later the salt water enters into back in the liquid pipe 7, enters into refrigeration case 20 again through the pipeline in the end, accomplishes frozen soil work.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a freezing formula of salt solution anti-settling system for underground structure construction, includes transport vechicle (1), carriage (2), base (3), freezes ware and battery (4), carriage (2) set up the one side at transport vechicle (1), freeze the ware including freezing pipe (5), feed pipe (6) and return liquid pipe (7), the end of intaking and the drainage end of freezing pipe (5) communicate with one side of feed pipe (6) and return liquid pipe (7) respectively, its characterized in that: the base (3) is positioned in an inner cavity of the carriage (2), the storage battery (4) is installed at the top of the base (3), a damping mechanism (8) is installed between the base (3) and the carriage (2), a ventilation assembly (9) is arranged on one side of the top of the base (3), a water storage assembly (10) is installed on the other side of the top of the base (3), and a refrigerating mechanism (11) is installed at the top of the base (3);

ventilation unit (9) include support (12), the top of support (12) fixed mounting base (3), fan (13) are installed to one side of support (12) and the top that is located refrigeration mechanism (11), connecting rod (14) are installed to one side at support (12) top, buffer seat (15) are installed to one side of carriage (2) inner chamber, the top of buffer seat (15) is connected with the bottom of connecting rod (14).

2. The brine-freezing type anti-settling system for underground structure construction as claimed in claim 1, wherein: damper (8) include sleeve (16), sleeve (16) are installed in the four corners department of carriage (2) inner chamber bottom, the internally mounted of sleeve (16) has first spring (17), ejector pin (18) are installed at the top of first spring (17), the top of ejector pin (18) slides and runs through sleeve (16) and extend to the outside and base (3) bolt joint of sleeve (16).

3. The brine-refrigerated anti-settling system for underground structure construction of claim 1, wherein: refrigerating mechanism (11) are including refrigerating unit (19) and refrigeration case (20), the top at base (3) is all installed in refrigerating unit (19) and refrigeration case (20), the refrigerating end of refrigerating unit (19) and the inner chamber intercommunication of refrigeration case (20).

4. The brine-freezing type anti-settling system for underground structure construction as claimed in claim 3, wherein: the top of the liquid return pipe (7) is communicated with a first valve (21), and the top of the refrigeration box (20) is communicated with the first valve (21) through a pipeline.

5. The brine-refrigerated anti-settling system for underground structure construction of claim 1, wherein: the water storage assembly (10) comprises a water storage tank (22), a first water pump (23) and a second water pump (24), the first water pump (23) is installed at the top of the water storage tank (22) and communicated with the water storage tank (22), and the water inlet end of the first water pump (23) is communicated with the bottom of one side of the refrigeration tank (20).

6. The brine-refrigerated anti-settling system for underground structure construction of claim 5, wherein: one side of the water storage tank (22) is communicated with the water inlet end of a second water pump (24), the top of the liquid supply pipe (6) is communicated with a second valve (25), and the water discharge end of the second water pump (24) is communicated with the second valve (25) through a pipeline.

7. The brine-freezing type anti-settling system for underground structure construction as claimed in claim 1, wherein: the buffer seat (15) comprises a shell (26), a second spring (27) is installed at the bottom of an inner cavity of the shell (26), a pressing rod (28) is inserted into the top of the shell (26) in a sliding mode, the top of the second spring (27) is attached to the bottom of the pressing rod (28), a third spring (29) is sleeved on the surface of the pressing rod (28) and located in the inner cavity of the shell (26), and the top of the pressing rod (28) is welded to the bottom of the connecting rod (14).

8. The brine-refrigerated anti-settling system for underground structure construction of claim 1, wherein: the top of the carriage (2) is provided with a skylight (30), and the skylight (30) is positioned above the refrigerating unit (19).