CN212482215U - Cold gathering pipe liquid absorption core structure and auxiliary assembling tool thereof - Google Patents

Abstract

The utility model relates to a cold-collecting pipe liquid absorption core structure, which comprises a metal woven wire mesh (2) with certain elasticity and an elastic pushing piece (3; 5) arranged at the joint of the metal woven wire mesh (2) along the circumferential direction; the seam of the metal woven wire mesh (2) is arranged along the axial direction and is tightly attached to the inner wall of the cold collecting pipe (1) after the assembly is finished; the main structure of the elastic force outward pushing piece (3; 5) is arranged in the space towards the center of a circle at the joint of the metal woven wire mesh (2) and can expand outwards after being released from a clamped state during assembly so as to generate outward pushing force towards the left edge and the right edge of the joint in a tangential direction. The cold-gathering pipe liquid absorption core structure is suitable for special conditions of large pipe diameter and long distance of an evaporation section of the cold-gathering pipe and is convenient to assemble. The utility model discloses still correspondingly provide an assemble appurtenance who gathers cold pipe wick structure, realized gathering high-efficient, the convenient assembly of cold pipe wick structure, reduced assembly cost.

Description

Cold gathering pipe liquid absorption core structure and auxiliary assembling tool thereof

Technical Field

The utility model relates to a permafrost region engineering construction technical field especially relates to a gather cold pipe imbibition core structure and assembly appurtenance thereof.

Background

The heat pipe is an engineering measure for high-efficiency heat conduction, and heat transfer is realized by means of the migration of working media in the heat pipe and the interconversion of vapor state and liquid state. The heat pipe can rapidly conduct the cold energy of the nature to the part needing cooling in the low-temperature environment in winter, so that the temperature of the frozen soil is continuously reduced, and the purposes of cooling the frozen soil foundation and improving the stability of the foundation are achieved. Since the sixties of the twentieth century, the heat pipe cooling technology is widely applied to projects such as railways, highways, pipelines, power transmission lines and the like in cold regions, and particularly is more widely applied to major frozen soil projects such as Qinghai-Tibet railways, Qinghai-Tibet direct current power transmission lines and the like in China.

In the frozen soil engineering, the used heat pipes are gravity type heat pipes, namely, under the conditions that the heat pipes are vertically arranged or inclined for a certain angle and the environment temperature meets the working condition of the heat pipes, the backflow and the migration of the liquid working medium in the heat pipes are mainly carried out by the self gravity, namely, along with the process that the working medium evaporated from the lower evaporation section and vaporized continuously condenses at the upper condensation section, the vaporous working medium is continuously converted into the liquid working medium and falls down under the action of the self gravity or flows back to the evaporation section along the pipe wall, and the circulation is continuous.

However, it is continuously discovered through engineering practice that with the application of gravity assisted heat pipes in rows on both sides of a roadbed in frozen soil road engineering, the distribution characteristics of low ground temperature on both sides of the roadbed ground temperature and high ground temperature in the center, severe fluctuation of a ground temperature field and a freeze-thaw interface, and a great amount of engineering problems such as longitudinal cracks of the roadbed caused by the severe fluctuation, the generation of freeze-thaw engineering diseases is further aggravated as rainfall is collected to the inner part and the central part of the roadbed along the cracks. In order to solve the problem, the document with the application number of 201910610500X and the name of 'a large-angle nearly horizontal heat pipe with evaporation section and a construction method thereof' provides a novel special-shaped heat pipe which mainly has the main function of leveling, balancing, continuously cooling and condensing the roadbed, thereby achieving the purpose of stabilizing the roadbed. In order to be distinguished from other common heat pipes, the utility model particularly refers to the special-shaped heat pipe as the horizontal balanced cold-gathering pipe (the cold-gathering pipe for short). One of the characteristics of the cold accumulating pipe is as follows: for the evaporation section part, a liquid absorption core (also called liquid absorption core) is distributed in the pipe wall of the metal pipe, so that the working medium is uniformly distributed along the pipe wall and the backflow of the working medium is further promoted.

In the prior art, the liquid absorption cores can be generally divided into wire mesh type, sintered type, groove type, composite type liquid absorption cores and the like. When the liquid absorption core is assembled on the inner wall of the metal pipe at the evaporation section of the heat pipe, the wire mesh type liquid absorption core is manufactured by mainly adopting a diffusion welding or spot welding mode to permanently fix the wire mesh on the pipe wall; the sintered liquid absorption core is manufactured by sintering a large amount of metal powder particles for filling on the inner wall of the heat pipe at high temperature; the groove-type liquid suction core is formed by processing a plurality of axial fluid channels on the inner wall of the heat pipe in an extruding or broaching mode, and the axial fluid channels and the wall surface are integrated. The composite type liquid absorption core is comprehensively treated by two or more modes.

However, in manufacturing practice, it has been found that these wicks, due to their construction and method of assembly, are directed or adapted to heat pipes of relatively small diameter and relatively short length, whereas for heat pipes of large diameter and long distances, they are difficult to prepare, whether from wire mesh placement, welding or sintering. Secondly, the operation process is complex, the error rate is high, and once errors occur in the preparation process, failures can be caused. And the assembly cost of the liquid absorbing core is high.

In practical application, the evaporation section of the cold gathering pipe has the characteristics of large pipe diameter, long distance (more than 10 meters) and the like, so that the manufacturing of the liquid absorbing core at the processing part with limited space and long distance is difficult to complete according to the prior art, and meanwhile, the manufacturing (assembling) cost is high, thereby seriously puzzling the popularization and application of the cold gathering pipe technology. Therefore, the utility model provides a new gather cold pipe imbibition core structure for solve and gather cold pipe above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a cold-collecting pipe wick structure that not only is suitable for the big pipe diameter of cold-collecting pipe evaporation zone, long distance special condition but also convenient assembly is provided. The utility model discloses further still the correspondence provides an assembly appurtenance to realize high-efficient, the convenient assembly of imbibition core structure, reduce assembly cost.

In order to solve the problems, the liquid absorption core structure of the cold accumulation pipe comprises a metal woven wire mesh with certain elasticity and an elastic pushing piece arranged at the joint of the metal woven wire mesh, wherein the metal woven wire mesh is circumferentially arranged; the seam of the metal woven wire mesh is arranged along the axial direction and is tightly attached to the inner wall of the cold collecting pipe after the assembly is finished; the main structure of the elastic force pushing-out piece is arranged in a space towards the center of a circle at the joint of the metal woven wire mesh, and the main structure can expand outwards after being released from a clamped state during assembly so as to generate outward pushing force towards the left edge and the right edge of the joint along the tangential direction of the circle.

The utility model discloses wick structure's theory of operation: aiming at the special conditions of the large-diameter long-distance evaporation section of the cold-collecting pipe, the metal inner wall of the evaporation section of the cold-collecting pipe is enabled to have the capillary force forming condition and structure of the liquid absorbing core through the design of the special structure of the liquid absorbing core, namely, the liquid absorbing core and the pipe wall are kept in a gap and are close to each other as much as possible, and meanwhile, a channel between the liquid absorbing core and the pipe wall can ensure that the liquid working medium can smoothly flow; therefore, the liquid working medium can be uniformly distributed on the inner wall of the evaporation section of the whole cold gathering pipe under the action of capillary force. The formation of the capillary force structure and the capillary force can promote the working medium to flow back along the longitudinal direction of the cold gathering pipe, more importantly, the working medium is uniformly distributed along the cross section of the cold gathering pipe, and because the evaporation surface and the evaporation capacity of the working medium are multiplied, the smooth work of the cold gathering pipe under the horizontal or nearly horizontal working condition is ensured, and the work efficiency of the cold gathering pipe is multiplied.

In the above wick structure, preferably, the elastic force pushing member is formed by a straight bending section, a curved arc section, or a combination of the straight bending section and the curved arc section in the cross section.

In the above wick structure, preferably, the elastic urging member has a V-shape, a U-shape, or an inverted Ω -shape in cross section.

In the above wick structure, preferably, the root interval of the elastic force pushing piece at the joint is 0-30 mm, and the extending length towards the center of the circle is 0-30 mm.

In the above wick structure, preferably, the elastic pushing-out member is formed by extending the structure of the woven metal wire mesh at the seam to the direction of the center of the circle, or the elastic pushing-out member is formed by assembling a structure independent of the structure of the woven metal wire mesh.

In the liquid absorption core structure, the metal woven wire mesh is preferably a single-layer or multi-layer woven structure with warps and wefts interwoven and concave-convex surfaces, and the mesh number is 50-500 meshes.

The utility model discloses the assembly appurtenance who gathers cold pipe wick structure that correspondingly provides includes anchor clamps, bracket and respectively with anchor clamps long arm connecting rod and the bracket long arm connecting rod that both link to each other, the bracket is used for holding and holds wick structure's overall structure, anchor clamps can clip wick structure's elasticity pushes away the piece outward and makes it sink, anchor clamps long arm connecting rod is keeping away from the one end of anchor clamps has control anchor clamps press from both sides the tight controller that or loosen.

In the above-described assembly assisting tool, it is preferable that the bracket is formed in a cylindrical shape as a whole or is a tray having an opening.

In the above assembly assisting tool, preferably, the assembly assisting tool further includes a monitoring camera provided at a front end thereof and a video viewing terminal used in cooperation therewith.

Compared with the prior art, the utility model have following difference and advantage:

1. the liquid absorption cores are formed in different ways, so that the problem of difficult manufacture of the liquid absorption cores of the cold collecting pipe is solved

In the prior art, the forming of the wick inside the heat pipe is mainly realized by relatively complex processes such as sintering of metal particles at high temperature, fine cutting of the wall of a metal pipe, chemical treatment and the like, and the processes are not suitable for special conditions that the space in the pipe of an evaporation section of the condensation and cooling pipe is limited and the pipe penetrates into the pipe in a long distance, and are complex in processing process and high in cost.

The utility model discloses in combine existing materials such as current metal mesh, obtain the extension formula imbibition core through the special design of elasticity metal mesh + elasticity extrapolation piece for the metal mesh realizes fast under the combined action of self elasticity + elasticity extrapolation piece expansion force and gathers the inseparable combination of cold tube pipe wall, thereby reaches the operating condition requirement that the working medium pipe wall distributes entirely. The manufacturing (assembly) process cost and time are effectively controlled due to the simple design.

Combine the utility model discloses correspond supplementary assembly tool and the assembly method of design, further effectively solve the difficult problem of gathering cold pipe manufacturing key technology and cost control among the prior art.

2. Difference in main direction of action of wick

The traditional liquid absorption core is mainly applied to a horizontal heat pipe, and the acting direction is mainly to transfer working media along the longitudinal direction of the heat pipe. And the utility model discloses the effect direction of imbibition core lies in outstanding working medium along the evenly distributed of pipe wall circumference for mainly the transmission of following the vertical direction working medium of pipe wall in the transverse section to increase the evaporation capacity around the evaporation zone pipe wall, promoted the work efficiency who gathers cold pipe with this.

3. Differences in wick structure

The traditional liquid absorption core is influenced by factors such as large longitudinal transmission distance of a heated pipe, the liquid absorption core can meet the requirement of longitudinal liquid transmission amount only when reaching a certain thickness, and therefore the thickness of the liquid absorption core is relatively large. And the utility model discloses mainly follow the pipe wall vertical, circumference direction to and upwards carry out the transmission of working medium by the bottom from both sides, make working medium transmission distance become very short, the infusion volume requirement becomes very low, and imbibition core thickness requirement is very little relatively. Therefore, the utility model discloses imbibition core space thickness accounts for than doubling and reduces.

4. Difference in the efficiency of the wick

Compared with the traditional horizontal heat pipe with the liquid absorption core, the liquid absorption core has larger thickness, the heat transfer process in the direction vertical to the pipe wall is naturally greatly influenced, and the vaporized working medium needs to be separated from the wall surface by a relatively longer distance, so the evaporation capacity of the working medium is relatively small. And the utility model discloses because imbibition core thickness is ultra-thin, and be the network structure of metal material, perpendicular pipe wall direction not only heat transfer process is fast, and the working medium of vaporization can break away from the wall fast and get into in the evaporation zone cavity, therefore working medium evaporation capacity increases by a wide margin relatively. The thickness of traditional imbibition core is several millimeters to several centimetres usually, and the utility model discloses thickness is only 0.02~0.5 mm.

Compared with the traditional heat pipe without a liquid absorption core at the evaporation section, the traditional heat pipe only carries out evaporation, phase change and heat absorption of the working medium for the part with the liquid working medium at the bottom in the working state. And the utility model discloses the peripheral equipartition characteristic of liquid working medium for the evaporation area of liquid working medium increases at double, and can increase the work efficiency of pipe from this by a wide margin. Indoor tests show that under the same working conditions, the working efficiency of the heat pipe can be increased by more than 3 times compared with a heat pipe without a wick.

5. Greatly reducing the manufacturing cost and effectively improving the cost performance

Because the utility model relates to a simple structure, the imbibition sandwich layer is ultra-thin, and adopts current common metal material, need not complicated technology and handles, consequently, compares with there being the imbibition core heat pipe in the past, the utility model discloses all descend by a wide margin in the aspect of material cost, manufacturing cost. Simultaneously pass through the utility model discloses the increase of liquid working medium evaporation capacity, gather the improvement of the whole work efficiency of cold pipe, all make the utility model discloses a price/performance ratio can the cost-push. The manufacturing cost of the liquid absorption core with the large pipe diameter and the long-distance cold-collecting pipe is greatly reduced from different aspects. Meanwhile, the adoption of the metal liquid absorption core, the increase of the heat conduction performance, the formation of the liquid absorption core at the evaporation section and the great increase of the evaporation area are realized.

Drawings

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Fig. 1 is a cross-sectional view of an extended wick structure according to an embodiment of the present invention.

Fig. 2 is a top view of an extended wick structure according to an embodiment of the present invention.

Figure 3 is a cross-sectional view of another extended wick structure according to an embodiment of the present invention.

Figure 4 is a top view of another extended wick structure according to an embodiment of the present invention.

Fig. 5 is a schematic view of a clamping state of the assembly auxiliary tool according to an embodiment of the present invention.

Fig. 6 is an assembly scene schematic diagram provided by the embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a clamp according to an embodiment of the present invention.

Fig. 8 is a left side view of fig. 7.

In the figure: 1-cold collecting pipe, 2-metal woven wire mesh, 3-bending section, 4-working medium, 5-arc section, 6-clamp, 7-clamp long arm connecting rod, 8-bracket, 9-bracket long arm connecting rod; a, the distance between the roots of the elastic outward pushing pieces and B, the extension length of the elastic outward pushing pieces; 60-clamp shell, 61-elastic clamping piece, 62-pull rope, 63-guide ring and 64-support frame.

Detailed Description

Example 1 Cold trap wick Structure (i.e., extended wick)

Referring to fig. 1 and 4, the present invention provides a cold-collecting tube wick structure, which includes a metal woven wire mesh 2 arranged along a circumferential direction and an elastic pushing-out member arranged at a seam of the metal woven wire mesh 2.

The seams of the woven wire mesh 2 are open in the axial direction and, after assembly (complete bracing), are in close contact with the inner wall of the cooling jacket 1 that is used in a matched manner. It can be understood that the outer diameter of the metal woven wire mesh 2 after being completely supported is adapted to the inner diameter of the cold accumulating pipe 1, and the overall axial length thereof is adapted to the axial length of the evaporation section of the cold accumulating pipe, and of course, in the actual design, the metal woven wire mesh 2 may be in a segmented and spliced design or in an overall design compared with the evaporation section with a fixed overall length, and preferably the number of segments as small as possible is selected to reduce the number of assembly times.

The elastic outward pushing piece comprises a main structure playing a main role and connecting ends connected with two sides of a seam, the main structure of the elastic outward pushing piece is arranged in a space, facing to the circle center, of the seam of the metal woven wire mesh 2, the tight fit of the metal woven wire mesh 2 and the inner wall of the pipe of the cold gathering pipe 1 is not influenced, and the elastic outward pushing piece can expand outwards after being released from a clamped state during assembly so as to generate outward pushing force towards the circle tangential direction of the left edge and the right edge of the seam. The root interval A of the elastic outward pushing piece at the joint is 0-30 mm, and the extending length B towards the circle center is 0-30 mm.

The utility model discloses in, to imbibition core formation requirement in the big pipe diameter metal pipe, fully consider capillary force and form the mechanism, place the wire mesh that has certain elasticity in gathering the cold pipe, through the design of the elasticity extrapolating that sets up, form the extrapolation elasticity of alternate segregation between the wire mesh seam to built-in metal mesh is enlargied with the diameter to extension, make the metal mesh and gather the inside inseparable laminating of cold pipe from this, form the preliminary environmental condition of liquid working medium capillary force formation.

The formation of the capillary force in the metal pipe is finished in the process of manufacturing the cold gathering pipe, the liquid working medium filled in the metal pipe is rotated or vibrated in the manufacturing link or the transportation link through the working medium evaporation section filled in the cold gathering pipe, so that the working medium fully infiltrates the whole liquid absorption core, and the capillary force in the cold gathering pipe meets the environmental requirement that the existence of the liquid working medium can be always kept between the liquid absorption core after cleaning and moistening and the pipe wall.

In addition, in the working process, the metal woven wire mesh 2 has good heat conductivity, not only increases the evaporation surface while adsorbing the working medium, but also accelerates the evaporation process; and secondly, the porous structure of the wire mesh enables the working medium which is evaporated into a vapor state to be separated from the liquid absorption core in time and move to the condensation section.

Furthermore, the formation of capillary force in the metal tube also lies in the selection of a metal woven wire mesh structure, so as to effectively solve the outstanding contradiction between the liquid absorption core and the inner wall of the metal tube, namely, the contradiction that the liquid absorption core is close to the tube wall as much as possible and the whole area of the liquid absorption core is attached to the inner wall of the metal tube at a complete zero distance is avoided, and the forming and the development of the capillary force are prevented as a closed effect is generated when the metal sheet is completely attached to the inner wall of the metal tube. The utility model discloses in, wire mesh 2 is woven to metal for warp, weft interweave weave the structure for exist all the time of unsmooth surface, guarantee from this that the metal mesh hugs closely under the condition of metal pipe inner wall, the existence all the time of wire mesh and the interior wall tiny gap of metal pipe, tiny clearance link up each other and evenly distributed simultaneously, has all guaranteed that the working medium smoothly flows under the capillary action.

The metal woven wire mesh 2 may be a single layer structure or a multilayer structure; the mesh number is 50-500 meshes to ensure the formation of capillary force. For the multi-layer combined liquid absorption core, the mesh number of the wire mesh (the number of the wire mesh pores in unit area is the unit of the fine degree of the wire mesh, and the wire mesh is finer when the mesh number is larger) of different layers can be the same or different. Under the condition of different meshes of the wire mesh, the mesh number of the outer layer is larger than that of the inner layer.

The specific implementation manner of the elastic force pushing piece is as follows:

whether two structures or a combination of the two structures exist independently on the parts of the elastic force external pushing piece and the metal woven wire net 2. The elastic pushing-out piece can be manufactured by directly utilizing the structure of the metal woven wire mesh 2 to extend towards the circle center direction at the seam, so that an integral structure is formed, materials are not required to be additionally selected, and the elastic pushing-out piece is convenient and fast to process and manufacture with low cost; of course, the elastic force pushing-out piece can also be formed by assembling a structure which is independent from the structure of the metal woven wire net 2; a combination of the two is also possible.

In terms of the shape and the structure of the elastic force pushing-out piece, the elastic force pushing-out piece can be formed by a straight bending section or a bending arc section on the cross section, and can also be formed by combining the straight bending section and the bending arc section, and particularly can be integrally in a V shape (such as fig. 1 and 2), a U shape or an inverted omega shape (such as fig. 3), and the like, as long as the basic functions of the elastic force pushing-out piece can be realized.

In the aspect of the arrangement mode of the elastic outward pushing piece in the axial direction of the evaporation section, the elastic outward pushing piece can be integrally and continuously arranged along the axial direction, and can also be arranged in a separated and discontinuous mode.

The specific selection, design and combination of the above aspects can be designed adaptively according to actual requirements and manufacturing conditions. Two implementations of the resilient urging member are listed below.

One of them is: referring to fig. 1 and 2, the elastic pushing-out member is formed by two bending sections 3 which are respectively extended towards the center of a circle on two sides of the seam of the metal woven wire net 2, and the whole body is in a V shape; the distance A between the roots of the two bending sections 3 is 0-30 mm, the extension length B is 0-30 mm, the two bending sections are bent at an angle of 0-90 degrees with the vertical direction in the section (corresponding to the distance A between the roots of the two bending sections being 0mm under the condition of 0 degrees), and the extension end ends of the two bending sections 3 are mutually butted, connected or welded.

The other one is as follows: referring to fig. 3 and 4, the elastic force pushing-out piece is formed by assembling arc sections 5 made of spring wires or elastic sheets, and the whole body is in an inverted omega shape. Two ends of the arc section 5 (in fig. 4, the long strip is a spring plate, and the triangle is a spring wire) are respectively connected with the edges of the left and right sides of the seam of the metal woven wire mesh 2 (for example, welded, and firmly connected), and the arc main body is arranged towards the center of the circle.

EXAMPLE 2 Assembly auxiliary tool

Based on the disclosed cold pipe wick structure of gathering of above-mentioned embodiment 1, to the long distance characteristic of gathering cold pipe evaporation zone, the utility model discloses 2 the corresponding assembly appurtenance who provides a gather cold pipe wick structure, refer to fig. 5 and fig. 6, this assembly appurtenance includes anchor clamps 6, bracket 8 and respectively with anchor clamps long arm connecting rod 7 and bracket long arm connecting rod 9 that both link to each other, bracket 8 is used for holding and holds up wick structure's overall structure, anchor clamps 6 can carry wick structure's elasticity and push away the piece outward and make it sink, anchor clamps long arm connecting rod 7 has the controller that control anchor clamps 6 pressed from both sides tightly or unclamp in the one end of keeping away from anchor clamps 6.

The bracket 8 may be a cylindrical shape as a whole as shown in fig. 6, or may be a tray having an opening. The axial length and the radial width of the bracket 8 are matched with the axial length and the radial width of the liquid absorbing core, so that the whole liquid absorbing core structure can be stably dragged.

In order to improve the operation accuracy and observe the assembly condition, the assembly auxiliary tool further comprises a monitoring camera arranged at the front end of the assembly auxiliary tool and a video watching terminal matched with the monitoring camera for use.

Referring to fig. 7 and 8, the clamp 6 mainly includes a clamp housing 60, an elastic clip 61, a pull cord 62, a guide ring 63, and a support bracket 64; the clamp shell 60 is arranged at one end of the clamp long-arm connecting rod 7, two elastic clamping pieces 61 are symmetrically arranged at the top of the clamp shell, the elastic clamping pieces 61 can be made of metal or plastic sheets, and the guide ring 63 is arranged at the bottom of the clamp shell 60 through a support frame 64; the inner walls of the elastic clamping pieces 61 are provided with pull ropes 62, the pull ropes 62 on the left side and the right side form a V shape, the converging ends of the pull ropes 62 are arranged on the guide ring 63 and extend to one end of the long arm connecting rod 7 of the clamp, which is far away from the clamp 6, so that a controller for controlling the elastic clamping pieces 61 to clamp or loosen is formed.

In use, under the condition that the long-arm connecting rod 7 of the clamp is kept relatively fixed, the opening and closing of the two elastic clamping pieces 61 are controlled by the pull rope 62: the openings of the two elastic clamping pieces 61 are reduced, closed and clamped under the action of tensile force, and conversely, the openings of the elastic clamping pieces 61 are opened, expanded and loosened under the action of elastic force by loosening the pull rope 62.

In particular to the assembly application scene of the liquid absorption core structure.

1. And (3) clamping process: the two elastic clamping pieces 61 are in an opening state, the openings are aligned with the elastic outward pushing pieces of the liquid absorption cores, and the elastic outward pushing pieces are accommodated in the openings of the two elastic clamping pieces 61 by upward pushing. Tensioning the pull cord 62 clamps the two resilient clips 61 to the resilient pusher and holds the pull cord 62 in tension.

2. Loosening process: after the wick reaches the designated position, the pull cord 62 is slowly released in tension. With the loosening of the pulling rope 62 and the opening of the two elastic clamping pieces 61 being opened, under the action of the self-elasticity, the elastic outward-pushing piece is separated from the clamp 6, released from the clamping state and then expanded outwards to generate outward pushing force towards the left and right sides of the seam.

EXAMPLE 3 Assembly method

Based on the assembly appurtenance that gathers cold pipe wick structure and embodiment 2 disclose that above-mentioned embodiment 1 discloses, to the long distance characteristic of gathering cold pipe evaporation zone, the utility model discloses 3 the correspondence provides an assembly method who gathers cold pipe wick structure, and the wick can be the segmentation in the assembling process, the concatenation formula is placed, also can be whole once placing, and this embodiment explains as an example with the segmentation place, the bending section 3 that elasticity pushes away the piece for the V-arrangement in the wick structure outward.

Referring to fig. 5 and 6, the assembling method of the present invention specifically includes the following steps:

1. a preparation stage: the liquid absorption core structure is integrally placed on the bracket 8, the position of the liquid absorption core structure is adjusted to enable the seam of the liquid absorption core structure to be positioned right above, the elastic pushing piece is clamped by the clamp 6, the two bending sections 3 are folded together, and the folded part of the metal woven wire net 2 sinks onto the bracket 8 together with the clamp 6 and the elastic pushing piece under the action of weight due to the fact that the clamp 6 has certain weight; as the clamp 6 and the folded portion of the woven wire mesh 2 fall, the outer diameter of the entire wick structure is reduced.

2. A placing stage: the bracket 8, the clamp 6 and the liquid absorbing core structure are integrally conveyed to a specified position in the pipe of the cold-gathering pipe 1 through a bracket long arm connecting rod 9.

3. And (3) an unfolding stage: after the liquid absorbing core reaches the designated position, the bracket 8 is firstly drawn out and removed, the liquid absorbing core is contacted with the bottom of the metal pipe, then the clamp 6 is slowly loosened through a controller on a long arm connecting rod 7 of the clamp, the folded part of the metal woven wire net 2 pulled down by the clamp 6 rises along with the clamp under the action of elastic force, after the metal woven wire net is contacted with the wall of the metal pipe, the outward pushing elastic force of the folded part starts to play a role, the metal woven wire net 2 is pushed to expand outwards, so that the metal woven wire net 2 is tightly attached to the inner wall of the pipe of the cold gathering pipe 1, and the placement of the section. Subsequently, the detached jig 6 is removed.

4. The placement of the liquid absorption core structure in the whole evaporation section is completed circularly.

5. After all the liquid absorbing core structures are placed, the pipe is pumped into negative pressure and then filled with a proper amount of working medium 4, and after the liquid absorbing cores tightly attached to the inner wall of the pipe are filled with the working medium 4, sealing is carried out.

The technical scheme provided by the utility model is introduced in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (9)

1. A cold-collecting pipe liquid absorption core structure is characterized by comprising a metal woven wire net (2) with certain elasticity and elastic pushing-out pieces (3; 5) arranged at seams of the metal woven wire net (2) along the circumferential direction; the joint of the metal woven wire mesh (2) is arranged along the axial direction and is tightly attached to the inner wall of the cold collecting pipe (1) after the assembly is finished; the main structure of the elastic force outward pushing piece (3; 5) is arranged in the space towards the center of a circle at the joint of the metal woven wire mesh (2), and the elastic force outward pushing piece can expand outwards after being released from a clamped state during assembly so as to generate outward pushing force towards the left edge and the right edge of the joint in a tangential direction.

2. A wick structure according to claim 1, wherein the resilient urging member is formed in cross-section as a straight bent section, or as a curved arc section, or as a combination of both straight bent and curved arc sections.

3. A wick structure according to claim 1, wherein the resilient urging member is V-shaped, U-shaped or inverted Ω -shaped in cross-section.

4. A wick structure according to claim 1, wherein the resilient urging member has a root spacing of 0 to 30mm at the seam and an extension of 0 to 30mm towards the centre of the circle.

5. A wick structure according to any one of claims 1 to 4, wherein the resilient urging member is formed by a structure of the woven metal mesh (2) itself extending in a direction towards the centre of the circle at the seam, or by a structure separate from the structure of the woven metal mesh (2) itself and assembled therewith.

6. A wick structure according to claim 1, wherein the woven wire mesh (2) is a single-layer or multi-layer woven structure having warp and weft threads interwoven and having a concave-convex surface, and the mesh number is 50 to 500.

7. An auxiliary assembly tool for a cold-collecting pipe wick structure according to claim 1, which comprises a clamp (6), a bracket (8) and a clamp long arm connecting rod (7) and a bracket long arm connecting rod (9) respectively connected with the clamp and the bracket (8), wherein the bracket (8) is used for accommodating and supporting the whole structure of the wick structure, the clamp (6) can clamp and sink the elastic pushing-out piece (3; 5) of the wick structure, and the clamp long arm connecting rod (7) is provided with a controller for controlling the clamp (6) to clamp or release at one end far away from the clamp (6).

8. Assembly aid according to claim 7, characterized in that the carrier (8) is entirely cylindrical or is a tray with openings.

9. The assembly aid of claim 7, further comprising a monitoring camera disposed at a front end thereof and a video viewing terminal for use therewith.

Images