CN218060264U - A salt water freezing anti-subsidence system for underground structure construction - Google Patents

Abstract

The utility model discloses a salt solution freezing formula anti-settling system for underground structure construction, including transport vechicle, carriage, base, freezer and battery, the carriage sets up in one side of transport vechicle, the freezer includes freezing pipe, feed pipe and liquid return pipe, the water inlet end and the drainage end of freezing pipe communicate with one side of feed pipe and liquid return pipe respectively, the base is located the inner chamber of carriage, the battery is installed at the top of base; the utility model can transport and hold the instruments needed by the frozen soil work by arranging the transport vehicle and the carriage, compared with the traditional building, the utility model protects the instruments, and improves the maneuverability and the convenience; 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 salt water freezing anti-subsidence system for underground structure construction

technical field

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

Background technique

The freezing method is to use artificial refrigeration technology to freeze the water in the formation, turn the natural rock and soil into permafrost, increase its strength and stability, and isolate the connection between groundwater and underground engineering, so that the wellbore or Special construction technology for excavation and masonry construction of underground engineering; brine circulation plays a role of cold energy transfer in the refrigeration process, and the circulation system is powered by the flow of brine. The freezer is a heat exchanger for heat exchange between low-temperature brine and the formation. The faster the brine flow rate, the greater the heat exchange intensity.

The construction method of the existing brine freezing method is usually carried out outdoors, and the refrigeration unit is usually installed outside, and a supporting house needs to be built at zero time to protect it, which is very labor-intensive and physically consuming, and the mobility is poor, so it is not easy to install dismantling, so we need to come up with a brine-frozen anti-subsidence system for underground structure construction.

Utility model content

The purpose of this utility model is to provide a brine freezing anti-subsidence system for underground structure construction, which has the advantages of good maneuverability and good protection effect, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a salt water freezing anti-subsidence system for underground structure construction, including a transport vehicle, a compartment, a base, a freezer and a storage battery, and the compartment is arranged on one side of the transport vehicle side, the freezer includes a freezing pipe, a liquid supply pipe and a liquid return pipe, the water inlet end and the water discharge end of the freezing pipe communicate with one side of the liquid supply pipe and the liquid return pipe respectively, and the base is located in the compartment cavity, the battery is installed on the top of the base, a shock absorbing mechanism is installed between the base and the compartment, a ventilation assembly is installed on one side of the top of the base, and a water storage assembly is installed on the other side of the top of the base, A refrigeration mechanism is installed on the top of the base;

The ventilation assembly includes a bracket, the bracket is fixed on the top of the installation base, a fan is installed on one side of the bracket and above the refrigeration mechanism, a connecting rod is installed on one side of the top of the bracket, and a connecting rod is installed on the inner cavity of the vehicle compartment. A buffer seat is installed on one side, and the top of the buffer seat is connected with the bottom of the connecting rod.

Preferably, the shock absorbing mechanism includes a sleeve, the sleeve is installed at the four corners of the bottom of the compartment, a first spring is installed inside the sleeve, and a push rod is installed on the top of the first spring, The top of the push rod slides through the sleeve and extends to the outside of the sleeve to be bolted to the base.

Preferably, the refrigerating mechanism includes a refrigerating unit and a refrigerating box, both of which are installed on the top of the base, and the refrigerating end of the refrigerating unit communicates 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 pipe.

Preferably, the water storage assembly includes a water storage tank, a first water pump and a second water pump, the first water pump is installed on the top of the water storage tank and communicated with the water storage tank, and the water inlet end of the first water pump is connected to the refrigeration unit. The bottom of one side of the box is connected.

Preferably, one side of the water storage tank communicates with the water inlet end of the second water pump, the top of the liquid supply pipe communicates with a second valve, and the drain end of the second water pump communicates with the second valve through a pipe.

Preferably, the buffer seat includes a housing, a second spring is installed at the bottom of the inner cavity of the housing, a pressure rod is slidably inserted into the top of the housing, and the top of the second spring is attached to the bottom of the pressure rod A third spring is sleeved on the surface of the pressing rod and located in the inner cavity of the housing, and the top of the pressing rod is welded to the bottom of the connecting rod.

Preferably, a skylight is provided on the top of the compartment, and the skylight is located above the refrigerating unit.

Compared with the prior art, the beneficial effects of the utility model are:

1. The utility model can transport and accommodate the equipment needed for permafrost work by setting up transport vehicles and compartments. Compared with traditional constructions to protect the equipment, the utility model improves mobility and convenience.

2. The utility model can provide shock-absorbing protection for the equipment in the vehicle during transportation by setting a shock-absorbing mechanism; by setting a ventilation component, it can evacuate the heat generated during heat exchange of the refrigeration unit, and can protect the refrigeration unit. Improved refrigeration performance of the device.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the front section view of the compartment of the utility model;

Fig. 3 is the three-dimensional structure schematic diagram of the freezer of the present utility model;

Fig. 4 is the position relationship diagram with the ground when the utility model freezer is working;

Fig. 5 is a schematic view of the structure of the fan of the utility model viewed from above;

Fig. 6 is a front sectional view of the buffer seat of the present invention.

In the figure: 1. Transport vehicle; 2. Compartment; 3. Base; 4. Battery; 5. Freezing pipe; 6. Liquid supply pipe; 7. Liquid return pipe; 8. Shock absorbing mechanism; Water storage assembly; 11, refrigeration mechanism; 12, bracket; 13, fan; 14, connecting rod; 15, buffer seat; 16, sleeve; 17, first spring; 18, ejector rod; 19, refrigeration unit; Refrigeration box; 21, first valve; 22, water storage tank; 23, first water pump; 24, second water pump; 25, second valve; 26, shell; 27, second spring; 28, pressure rod; 29 , the third spring; 30, the skylight.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-6, the utility model provides a technical solution: a salt water freezing anti-subsidence system for underground structure construction, including a transport vehicle 1, a compartment 2, a base 3, a freezer and a battery 4, and a compartment 2 It is arranged on one side of the transport vehicle 1, the base 3 is located in the inner cavity of the compartment 2, and the battery 4 is installed on the top of the base 3. By setting the battery 4, the battery 4 is used to supply power to the electrical appliances of the device.

A shock absorbing mechanism 8 is installed between the base 3 and the carriage 2, a ventilation assembly 9 is installed 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 refrigeration mechanism 11 is installed on the top of the base 3; By arranging the transport vehicle 1 and the compartment 2, the equipment required for the permafrost work can be transported and accommodated, which improves mobility and convenience.

Ventilation assembly 9 comprises bracket 12, and bracket 12 is fixedly installed on the top of base 3, and fan 13 is installed on one side of bracket 12 and is positioned at the top of refrigeration mechanism 11, and connecting rod 14 is installed on one side of bracket 12 top, and the compartment 2 inner cavity A buffer seat 15 is installed on one side, 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 located above the refrigeration unit 19 . By setting the skylight 30, the skylight 30 is used to facilitate the circulation of the air in the compartment 2, and the fan 13 is activated, and the fan 13 extracts the heat generated by the refrigeration unit 19, and discharges it to the outside of the compartment 2 through the skylight 30, thereby realizing an auxiliary refrigeration unit. 19 for the purpose of heat dissipation.

Damping mechanism 8 comprises sleeve 16, and sleeve 16 is installed at the four corners of compartment bottom, and the inside of sleeve 16 is equipped with first spring 17, and the top of first spring 17 is equipped with push rod 18, and push rod 18 The top slides through the sleeve 16 and extends to the outside of the sleeve 16 to be bolted to the base 3 . The base 3 is used to support the equipment in the vehicle, and through the cooperative use of the base 3 and the shock absorbing mechanism 8, the equipment in the vehicle can be protected when the transport vehicle 1 is running.

The base 3 drives the push rod 18 to move, and the push rod 18 pushes the first spring 17, which can buffer the bumps on the base 3 by the first spring 17, so as to achieve the purpose of protecting the equipment in the car; the buffer seat 15 includes a housing 26, the shell The bottom of the body 26 cavity is equipped with a second spring 27, and the top of the housing 26 is slidably inserted with a pressure rod 28. A third spring 29 is sleeved in the inner cavity of the inner cavity, and the top of the pressing rod 28 is welded to the bottom of the connecting rod 14 . When the base 3 is bumped, it drives the bracket 12 to move, the bracket 12 squeezes the pressing rod 28 through the connecting rod 14, and the impact of the fan 13 can be buffered by the second spring 27 and the third spring 29, so as to achieve the effect on the fan 13. purpose of protection.

The freezer includes a freezing pipe 5, a liquid supply pipe 6 and a liquid return pipe 7, and the water inlet end and the water discharge end of the freezing pipe 5 communicate with one side of the liquid supply pipe 6 and the liquid return pipe 7 respectively. The refrigerating mechanism 11 includes a refrigerating unit 19 and a refrigerating box 20 , both of which are installed on the top of the base 3 , and the refrigerating end of the refrigerating unit 19 communicates with the 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 setting the refrigeration unit 19, the refrigeration unit 19 is used to refrigerate the brine in the refrigeration box 20.

The water storage assembly 10 includes a water storage tank 22, a first water pump 23 and a second water pump 24. The first water pump 23 is installed on the top of the water storage tank 22 and communicates with the water storage tank 22. The water inlet end of the first water pump 23 is connected to the refrigeration tank. The bottom of the 20 side is connected. One side of the water storage tank 22 communicates with the water inlet end of the second water pump 24 , the top of the liquid supply pipe 6 communicates with a second valve 25 , and the drain end of the second water pump 24 communicates with the second valve 25 through a pipe. By starting the first water pump 23, the first water pump 23 transports the refrigerated salt water in the refrigeration box 20 to the water storage tank 22, and by starting the second water pump 24, the second water pump 24 transports the salt water to the liquid supply pipe 6, and then The brine in the liquid supply pipe 6 enters the freezing pipe 5, freezes suddenly around the freezing pipe 5, then the brine enters the liquid return pipe 7, and finally enters the refrigeration box 20 again through the pipeline to complete the frozen soil work.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (8)

1. A salt water freezing type anti-subsidence system for underground structure construction, comprising transport vehicle (1), compartment (2), base (3), freezer and accumulator (4), and described compartment (2) is arranged on One side of the transport vehicle (1), the freezer includes a freezing pipe (5), a liquid supply pipe (6) and a liquid return pipe (7), and the water inlet and the discharge end of the freezing pipe (5) are respectively connected to the One side of the liquid supply pipe (6) and the liquid return pipe (7) is connected, and it is characterized in that: the base (3) is located in the inner cavity of the compartment (2), and the battery (4) is installed on the base (3) At the top, a shock absorbing mechanism (8) is installed between the base (3) and the compartment (2), and a ventilation assembly (9) is provided on one side of the top of the base (3), and the top of the base (3) A water storage assembly (10) is installed on the other side, and a refrigeration mechanism (11) is installed on the top of the base (3); The ventilation assembly (9) includes a bracket (12), the top of the bracket (12) is fixedly installed on the base (3), and a fan ( 13), a connecting rod (14) is installed on one side of the top of the bracket (12), a buffer seat (15) is installed on one side of the inner cavity of the compartment (2), and the top of the buffer seat (15) is connected to the The bottom of connecting rod (14) is connected. 2. A salt water freezing type anti-subsidence system for underground structure construction according to claim 1, characterized in that: the shock absorbing mechanism (8) includes a sleeve (16), and the sleeve (16) Installed at the four corners of the bottom of the compartment (2), the first spring (17) is installed inside the sleeve (16), and the push rod (18) is installed on the top of the first spring (17). The top of the push rod (18) slides through the sleeve (16) and extends to the outside of the sleeve (16) to be bolted to the base (3). 3. A brine freezing type anti-subsidence system for underground structure construction according to claim 1, characterized in that: the refrigeration mechanism (11) includes a refrigeration unit (19) and a refrigeration box (20), the Both the refrigerating unit (19) and the refrigerating box (20) are installed on the top of the base (3), and the refrigerating end of the refrigerating unit (19) communicates with the inner cavity of the refrigerating box (20). 4. A brine freezing type anti-subsidence system for underground structure construction according to claim 3, characterized in that: the top of the liquid return pipe (7) is communicated with a first valve (21), and the refrigerating The top of the tank (20) communicates with the first valve (21) through a pipeline. 5. A salt water freezing type anti-subsidence system for underground structure construction according to claim 1, characterized in that: the water storage assembly (10) includes a water storage tank (22), a first water pump (23) With the second water pump (24), the first water pump (23) is installed on the top of the water storage tank (22) and communicates with the water storage tank (22), and the water inlet end of the first water pump (23) is connected to the refrigeration tank (20) The bottom of one side is connected. 6. A salt water freezing type anti-subsidence system for underground structure construction according to claim 5, characterized in that: one side of the water storage tank (22) is connected to 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 drain end of the second water pump (24) is communicated with the second valve (25) through a pipeline. 7. A salt water freezing anti-subsidence system for underground structure construction according to claim 1, characterized in that: the buffer seat (15) includes a shell (26), and the inside of the shell (26) The bottom of the cavity is equipped with a second spring (27), the top of the housing (26) is slidably inserted with a pressure rod (28), and the top of the second spring (27) is attached to the bottom of the pressure rod (28). A third spring (29) is sheathed on the surface of the pressing rod (28) and in the inner cavity of the housing (26), and the top of the pressing rod (28) is welded to the bottom of the connecting rod (14). 8. A salt water freezing type anti-subsidence system for underground structure construction according to claim 1, characterized in that: a skylight (30) is provided on the top of the compartment (2), and the skylight (30) is located at Above the refrigeration unit (19).

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