CN213116374U

CN213116374U - Ventilation and refrigeration system of shield machine

Info

Publication number: CN213116374U
Application number: CN202021653468.8U
Authority: CN
Inventors: 刘文龙; 陈聪; 王国旗; 段启昆; 余美
Original assignee: China Railway Construction Heavy Equipment Manufacturing Co ltd
Current assignee: China Railway Construction Heavy Equipment Manufacturing Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-05-04
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses a ventilation and refrigeration system of a shield machine, which comprises an air cooler and a buffer device, wherein a fixing ring is fastened in the air cooler, a pipeline is arranged in the air cooler, the buffer device comprises a first supporting piece, a supporting rod, a first moving piece, a second supporting piece, a second spring and a first spring, the supporting rod connected with the fixing ring is fixed on the first supporting piece, one end of the first spring is connected with the first supporting piece, the other end of the first spring is connected with the first moving piece, one end of the second spring is connected with the second supporting piece, and the other end of the second spring is connected with the second moving piece; the utility model has the advantages that: the designed buffer device is beneficial to further buffering the pipeline, and the efficiency of heat exchange between water in the pipeline and air in the ventilation pipeline is improved; the nut screwed with the supporting rod threads is arranged on the fixing ring, so that the supporting rod and the nut can be screwed conveniently, and the supporting rod is stably installed on the fixing ring.

Description

Ventilation and refrigeration system of shield machine

Technical Field

The utility model belongs to the technical field of the shield constructs quick-witted ventilation refrigeration, concretely relates to shield constructs quick-witted ventilation refrigerating system.

Background

The general temperature in the tunnel of shield machine construction is higher, if do not have relevant refrigeration measure, and the working environment will be very abominable.

The shield machine is provided with a ventilation system, a primary fan is arranged outside the tunnel and blows fresh air into the tunnel, a secondary fan is arranged in the tunnel and pumps the fresh air to the most front part of the equipment through the secondary fan, and a soft air pipe and a hard air pipe are used in the middle to arrange a ventilation channel.

In order to improve the shield construction environment and reduce the environmental temperature of a construction area, a refrigerating system is arranged between a primary fan and a secondary fan so as to reduce the ventilation temperature, and the environmental temperature of an equipment area is reduced by continuously supplying cold air to a host area; the refrigeration system configured on the equipment mainly comprises: the air cooler, the refrigeration host, the freezing water tank and the freezing water pump; the circulating water is cooled to below 7-12 ℃ through the refrigeration main machine, then condensed water is stored in the freezing water tank, the condensed water in the freezing water tank is pumped into the air cooler through the freezing water pump, then through a fine pipeline in the air cooler, heat exchange is realized between water in the pipeline and air in the ventilation pipeline, and finally heat is brought back to the refrigerating unit through the condensed water.

The air cooler is used as an important component of a ventilation and refrigeration system of the shield machine; the pipeline in the air cooler lacks buffer, when supporting the pipeline, is unfavorable for further increasing the buffering to the pipeline, has reduced the life of air cooler, has influenced the efficiency that the air in water in the pipeline and the ventilation pipeline realized the heat exchange.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shield constructs quick-witted ventilation refrigerating system to the pipeline in the air cooler that proposes in solving above-mentioned background lacks buffer, when supporting the pipeline, is unfavorable for further increasing the buffering to the pipeline, has reduced the life of air cooler, has influenced the efficiency problem that the heat exchange was realized to the air in water in the pipeline and the ventilation pipeline.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shield constructs quick-witted ventilation refrigerating system, includes air cooler and buffer, the inside fastening of air cooler has solid fixed ring, and the inside of air cooler is provided with the pipeline, buffer includes first support piece, bracing piece, first moving part, second support piece, second spring and first spring, be fixed with the bracing piece of being connected with solid fixed ring on the first support piece, the one end and the first support piece of first spring are connected, and the other end and first moving part are connected, the one end and the second support piece of second spring are connected, and the other end and second moving part are connected, first support piece and second support piece are located the outer wall of pipeline, and first moving part and second moving part can offset with the pipeline.

Preferably, the first support piece and the first movable piece are both arc-shaped structures, and the radians of the first movable piece and the first support piece are consistent.

Preferably, the second movable part and the second support part are both arc-shaped structures, and the radians of the second movable part and the second support part are consistent.

Preferably, the end portion of the first supporting member is fixed with first protruding lugs which are symmetrically distributed, the end portion of the second supporting member is fixed with second protruding lugs which are symmetrically distributed, and bolt holes which are mutually communicated are formed in the surfaces of the first protruding lugs and the second protruding lugs.

Preferably, the surface of the fixing ring is provided with a through hole for the support rod to pass through, and the fixing ring is provided with a nut screwed with the support rod.

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

(1) the designed buffer device is beneficial to further buffering the pipeline, and the efficiency of heat exchange between water in the pipeline and air in the ventilation pipeline is improved;

(2) the nut screwed with the supporting rod threads is arranged on the fixing ring, so that the supporting rod and the nut can be screwed conveniently, and the supporting rod is stably installed on the fixing ring.

Drawings

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

FIG. 2 is a schematic side view of the buffering device of the present invention;

fig. 3 is an enlarged schematic view of the region D in fig. 1 according to the present invention;

in the figure: 1. an air cooler; 2. a fixing ring; 3. a pipeline; 4. a first support member; 5. a support bar; 6. a first movable member; 7. a first projecting ear; 8. a second movable member; 9. a second support member; 10. a second spring; 11. a second projecting ear; 12. a first spring; 13. a nut; 14. and (6) perforating.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a ventilation and refrigeration system of a shield machine comprises an air cooler 1 and a buffer device, wherein a fixed ring 2 is fastened inside the air cooler 1, a pipeline 3 is arranged inside the air cooler 1, the buffer device comprises a first supporting piece 4, a supporting rod 5, a first moving piece 6, a second moving piece 8, a second supporting piece 9, a second spring 10 and a first spring 12, the supporting rod 5 connected with the fixed ring 2 is fixed on the first supporting piece 4, one end of the first spring 12 is connected with the first supporting piece 4, the other end of the first spring is connected with the first moving piece 6, one end of the second spring 10 is connected with the second supporting piece 9, the other end of the second spring is connected with the second moving piece 8, the first supporting piece 4 and the second supporting piece 9 are positioned on the outer wall of the pipeline 3, the first moving piece 6 and the second moving piece 8 can be abutted against the pipeline 3, so as to support the pipeline 3, when the pipeline 3 is abutted against the first moving piece 6, exert pressure to first moving part 6, compress first spring 12 after first moving part 6 is compressed, first spring 12 has the effect that resets after the compressed to drive first moving part 6 and support on pipeline 3, play the further buffering to pipeline 3, improved the efficiency that the heat exchange was realized to the air in water in the pipeline 3 and the ventilation pipeline.

In this embodiment, preferably, the first supporting member 4 and the first movable member 6 are both arc-shaped structures, and the radians of the first movable member 6 and the first supporting member 4 are the same, and are better matched with the pipeline 3.

In this embodiment, preferably, the second movable member 8 and the second supporting member 9 are both arc-shaped structures, and the radians of the second movable member 8 and the second supporting member 9 are the same, and are better matched with the pipeline 3.

In this embodiment, preferably, the end portion of the first supporting member 4 is fixed with the first protruding lugs 7 which are symmetrically distributed, the end portion of the second supporting member 9 is fixed with the second protruding lugs 11 which are symmetrically distributed, and bolt holes which are mutually communicated are formed in the surfaces of the first protruding lugs 7 and the second protruding lugs 11, so that bolts can conveniently pass through the corresponding bolt holes, and the second protruding lugs 11 and the first protruding lugs 7 are fastened, so that the pipeline 3 can be stably installed.

In this embodiment, preferably, the surface of the fixing ring 2 is provided with a through hole 14 for the support rod 5 to pass through, and the fixing ring 2 is provided with a nut 13 screwed with the support rod 5, so that the support rod 5 is stably mounted on the fixing ring 2 by screwing the support rod 5 and the nut 13.

The utility model discloses a theory of operation and use flow: the first supporting piece 4 and the second supporting piece 9 are positioned on the outer wall of the pipeline 3, the first moving piece 6 and the second moving piece 8 can abut against the pipeline 3, the bolt penetrates through bolt holes corresponding to the surfaces of the second protruding lug 11 and the first protruding lug 7, the second protruding lug 11 and the first protruding lug 7 are fastened, the pipeline 3 is stably installed, the pipeline 3 is conveniently supported, when the pipeline 3 abuts against the first moving piece 6, the first moving piece 6 is pressed, the first spring 12 is compressed after the first moving piece 6 is pressed, the first spring 12 has a resetting effect after being pressed, the first moving piece 6 is driven to abut against the pipeline 3, the pipeline 3 is further buffered, and the heat exchange efficiency of water in the pipeline 3 and air in a ventilation pipeline is improved;

the surface of the fixing ring 2 is provided with a through hole 14 for the support rod 5 to pass through, and the fixing ring 2 is provided with a nut 13 screwed with the support rod 5, so that the support rod 5 is stably arranged on the fixing ring 2 by utilizing the screwing of the support rod 5 and the nut 13;

the refrigeration system includes: the air cooler 1, the refrigeration host, the freezing water tank and the freezing water pump; the circulating water is cooled to below 7-12 ℃ through the refrigeration main machine, then condensed water is stored in the freezing water tank, the condensed water in the freezing water tank is pumped into the air cooler 1 through the freezing water pump, then through the fine pipeline 3 in the air cooler 1, heat exchange is realized between the water in the pipeline 3 and the air in the ventilation pipeline, and finally heat is brought back to the refrigerating unit through the condensed water.

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 shield constructs quick-witted ventilation refrigerating system, includes air cooler (1) and buffer, the inside fastening of air cooler (1) has solid fixed ring (2), and the inside of air cooler (1) is provided with pipeline (3), its characterized in that: buffer includes first support piece (4), bracing piece (5), first moving part (6), second moving part (8), second support piece (9), second spring (10) and first spring (12), be fixed with bracing piece (5) of being connected with solid fixed ring (2) on first support piece (4), the one end and the first support piece (4) of first spring (12) are connected, and the other end and first moving part (6) are connected, the one end and the second support piece (9) of second spring (10) are connected, and the other end and second moving part (8) are connected, first support piece (4) and second support piece (9) are located the outer wall of pipeline (3), and first moving part (6) and second moving part (8) can offset with pipeline moving part (3).

2. The ventilation and refrigeration system of the shield machine according to claim 1, characterized in that: the first supporting piece (4) and the first moving piece (6) are both arc-shaped structures, and the radians of the first moving piece (6) and the first supporting piece (4) are consistent.

3. The ventilation and refrigeration system of the shield machine according to claim 1, characterized in that: the second moving part (8) and the second supporting part (9) are both arc-shaped structures, and the radians of the second moving part (8) and the second supporting part (9) are consistent.

4. The ventilation and refrigeration system of the shield machine as claimed in claim 2 or 3, wherein: the end portion of the first supporting piece (4) is fixed with first protruding lugs (7) which are symmetrically distributed, the end portion of the second supporting piece (9) is fixed with second protruding lugs (11) which are symmetrically distributed, and bolt holes which are communicated with each other are formed in the surfaces of the first protruding lugs (7) and the second protruding lugs (11).

5. The ventilation and refrigeration system of the shield machine according to claim 1, characterized in that: the surface of the fixing ring (2) is provided with a through hole (14) for the support rod (5) to pass through, and the fixing ring (2) is provided with a nut (13) screwed with the support rod (5).