CN223423948U - Lower pipe auxiliary device of ground source heat pump pipe - Google Patents
Lower pipe auxiliary device of ground source heat pump pipeInfo
- Publication number
- CN223423948U CN223423948U CN202423227773.1U CN202423227773U CN223423948U CN 223423948 U CN223423948 U CN 223423948U CN 202423227773 U CN202423227773 U CN 202423227773U CN 223423948 U CN223423948 U CN 223423948U
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- CN
- China
- Prior art keywords
- pipe
- guide
- source heat
- heat pump
- ground source
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Supports For Pipes And Cables (AREA)
Abstract
The utility model belongs to the technical field of geothermal energy application, in particular to a lower pipe auxiliary device of a ground source heat pump pipe, which only needs to coaxially arrange a guide pipe in a well, the positioning flange is attached to the upper end face of the well drilling well head, so that the stability of the guide pipe can be effectively guaranteed, and the arrangement mode is simple. In addition, the pump pipe is lowered into the well through the anti-abrasion roller, the anti-abrasion roller can rotate around the axis of the anti-abrasion roller, friction to the anti-abrasion roller is effectively reduced, lowering of the pump pipe is facilitated, the pipe-lowering speed is improved, and friction between the pump pipe and a well head of the well can be avoided.
Description
Technical Field
The utility model belongs to the technical field of geothermal energy application, and particularly relates to a lower pipe auxiliary device of a ground source heat pump pipe.
Background
The ground source heat pump is a device for transferring low-grade heat energy to high-grade heat energy by inputting a small amount of high-grade energy (such as electric energy and the like) into land shallow energy. Typically, the ground source heat pump consumes 1kwh of energy, and the user can obtain more than 4kwh of heat or cold. Because the ground source heat pump system is efficient, energy-saving and environment-friendly, the air conditioner of the ground source heat pump can save about 30% of energy compared with the common central air conditioner in summer, and can supply heat in winter, and the ground heating of the ground source heat pump can save about 40% of energy compared with the ground heating of the gas boiler. The ground source heat pump air conditioner is used for heating without a boiler, has no exhaust of waste gas, waste residue and waste water, and is beneficial to environmental protection, so that the ground source heat pump air conditioner is widely applied to various fields of building heating, production and cultivation and the like.
The ground source heat pump is a heat supply central air conditioning system which takes rock-soil body, stratum soil, underground water or surface water as a low-temperature heat source and consists of a water ground source heat pump unit, a geothermal energy exchange system and a system in a building. According to different forms of the geothermal energy exchange system, the ground source heat pump system is divided into a ground pipe buried ground source heat pump system, a ground water ground source heat pump system and a surface water ground source heat pump system, wherein in the process of installing the ground source heat pump, a pump pipe is required to be put into a drilled ground heat well. At present, most of pipe expanding devices in the market are used for arranging a pump pipe, and because a wellhead is not provided with protective measures, friction is generated between the outer wall of the pump pipe and the wellhead, so that the pump pipe is damaged, and the service life of the pump pipe is shortened.
Chinese patent document CN202121269486.0 (CN 215159930U) discloses a pipe-down device for a ground source heat pump pipe. Above-mentioned ground source heat pump pipe's lower pipe device is although can effectively protecting the pump pipe, but need put the bottom plate to suitable position at first in the use, then adjust the footing of bottom and make the bottom plate stably avoid producing and rock, the fixed plate of pulling makes the fixed plate drive the sliding block and slides along the slide opening again, and then remove the sleeve to wellhead top, take out the stopper from the spacing groove, and then make the spliced pole downwardly moving, thereby drive fixed block and the sleeve downwardly moving of bottom, then the fixed plate is fixed at the wellhead top while the sleeve falls into the well, still need in addition make sleeve and wall of a well parallel with the angle adjustment sleeve of dwang according to the well, just can realize avoiding pump pipe and wellhead direct contact. The whole down tube device is complex in operation process, and the friction between the fixing ring and the pump tube is still large although the fixing ring has no corners.
Disclosure of utility model
In order to overcome the defects of the prior art, the utility model provides a lower pipe auxiliary device of a ground source heat pump pipe.
The technical problem to be solved by the utility model is realized by adopting the following technical scheme that the auxiliary device for the lower pipe of the ground source heat pump pipe comprises a hollow guide pipe and an anti-abrasion roller, wherein the upper end of the guide pipe is provided with a positioning flange, the anti-abrasion roller is horizontally arranged above the positioning flange, and the anti-abrasion roller can rotate around the axis of the anti-abrasion roller;
the inner diameter of the guide pipe is smaller than or equal to the inner diameter of the well.
The auxiliary device for the lower pipe has the beneficial effects that the stability of the guide pipe can be effectively ensured only by coaxially arranging the guide pipe in the well, and the positioning flange is attached to the upper end surface of the well mouth of the well, so that the arrangement mode is simple.
In addition, the pump pipe is lowered into the well through the anti-abrasion roller, the anti-abrasion roller can rotate around the axis of the anti-abrasion roller, friction to the anti-abrasion roller is effectively reduced, lowering of the pump pipe is facilitated, the pipe-lowering speed is improved, and friction between the pump pipe and a well head of the well can be avoided.
The technical scheme of the utility model also comprises a pipeline position adjusting mechanism, wherein the pipeline position adjusting mechanism comprises a guide supporting plate, a sliding block and a fixing bolt, wherein the sliding block and the fixing bolt are slidably arranged in the guide supporting plate;
The guide support plate is parallel to the longitudinal section of the guide pipe and fixedly arranged above the positioning flange, the anti-wear roller is rotatably arranged on the sliding block, the side wall of the guide support plate is provided with a guide slideway in a penetrating mode, the sliding block is provided with a threaded hole, and the fixing bolt penetrates through the guide slideway to be in threaded connection with the threaded hole. The position of the sliding block is radially adjusted along the guide pipe, so that the pump pipe can be vertically placed into the guide pipe through the anti-abrasion roller, the sliding block and the guide supporting plate can be relatively fixed together through the threaded fit of the fixing bolt and the sliding block, and the influence of the movement of the anti-abrasion roller on the pipe discharging operation when the pump pipe is lowered is avoided.
The technical scheme of the utility model also comprises balls, wherein a plurality of circles of spherical balls are embedded in the inner wall of the guide tube from top to bottom, the balls are rotatably arranged on the guide tube, and the balls protrude out of the inner wall of the guide tube. The ball is embedded in the inner wall of the guide pipe, so that the upper part of the pump pipe is prevented from being worn due to direct contact with the inner wall of the guide pipe when the pump pipe is discharged, and the outer wall of the pump pipe can be effectively protected by free rolling of the ball.
The technical scheme of the utility model is that the balls are uniformly distributed along the circumferential direction of the guide tube. Through evenly arranging the ball along the stand pipe circumference, even atress when can guaranteeing pump line and ball contact.
The technical scheme of the utility model is that the guide tube comprises a guide tube body and a ball retainer which are coaxially arranged, and the ball retainer is arranged in the guide tube body;
The guide tube is characterized in that a groove matched with the ball is formed in the inner wall of the guide tube body, a limiting hole matched with the ball is formed in the ball retainer, and the ball is rotatably arranged between the groove and the limiting hole. The guide tube body and the ball retainer which are coaxially arranged are utilized to limit the positions of the balls, so that the guide tube is simple in structure and convenient to assemble.
The anti-wear roller is characterized in that an arc concave surface is arranged in the middle of the anti-wear roller. The arc concave surface at the middle part of the anti-wear roller can prevent the pump pipe from sliding horizontally towards the two sides of the anti-wear roller when the pump pipe is put down, so that the pump pipe is prevented from sliding out of the anti-wear roller and cannot play a role in preventing wear.
The technical scheme of the utility model is that the anti-wear roller is made of rubber. The anti-abrasion roller prepared from the rubber material plays a role in buffering, increases friction force between the pump pipe and the anti-abrasion roller, and improves stability of the pump pipe in the lowering process.
Drawings
Fig. 1 is a schematic structural view of a down tube auxiliary device of a ground source heat pump tube according to the present utility model;
FIG. 2 is a cross-sectional view of a down tube auxiliary device of a ground source heat pump tube according to the present utility model;
FIG. 3 is a reference diagram of the usage state of the auxiliary device for the down tube of the ground source heat pump tube according to the present utility model;
In the figure, 100 wells, 200 pump pipes, 300 balancing weights and 400 pressing rods are used;
1, a guide pipe and a 101 positioning flange;
2 an anti-wear roller, 3a guiding support plate and 31 a guiding slideway;
4, a sliding block and 41 threaded holes;
5 fixing bolts and 6 balls;
The guide tube comprises a guide tube body 11, a ball retainer 12, a groove 13 and a limiting hole 14.
Detailed Description
The following description of the embodiments of the present utility model will be made more fully hereinafter with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, a lower pipe auxiliary device of a ground source heat pump pipe comprises a hollow guide pipe 1 and an anti-abrasion roller 2, wherein a positioning flange 101 is arranged at the upper end of the guide pipe 1, the anti-abrasion roller 2 is horizontally arranged above the positioning flange 101, and the anti-abrasion roller 2 can rotate around an axis of the anti-abrasion roller 2.
The guide tube 1 has an inner diameter equal to or less than the inner diameter of the well 100. When the inner diameter of the guide pipe 1 is equal to the inner diameter of the well, a groove matched with the outer diameter of the guide pipe 1 is arranged at the upper end of the well, so that the guide pipe 1 is fixed and limited. When the inner diameter of the guide pipe 1 is equal to the inner diameter of the well, the outer diameter of the guide pipe 1 is slightly smaller than the inner diameter of the well, so that the guide pipe 1 is directly inserted into the well without additional treatment.
In this embodiment, the middle part of the anti-wear roller 2 is provided with an arc concave surface, and the anti-wear roller 2 is made of rubber.
The auxiliary device for the lower pipe of the ground source heat pump pipe further comprises a pipe position adjusting mechanism, wherein the pipe position adjusting mechanism comprises a guide supporting plate 3, a sliding block 4 and a fixing bolt 5, wherein the sliding block 4 and the fixing bolt 5 are slidably arranged in the guide supporting plate 3.
The guide support plate 3 is arranged above the positioning flange 101 in a fixed mode parallel to the longitudinal section of the guide pipe 1, the two guide support plates 3 are arranged on two sides of the guide pipe 1 in parallel, the wear-resistant roller 2 is arranged on the sliding block 4 in a rotatable mode through a rotating shaft or two ends of the wear-resistant roller 2 are arranged on the sliding block 4 in a rotatable mode through bearings, the side wall of the guide support plate 3 is provided with the guide slide way 31 in a penetrating mode, the guide slide way 31 is horizontally arranged and parallel to the longitudinal section of the guide pipe 1, the sliding block 4 is provided with a threaded hole 41, and the fixing bolt 5 penetrates through the guide slide way 31 to be in threaded connection with the threaded hole 41.
As shown in fig. 1 and fig. 2, the auxiliary device for the lower tube of the ground source heat pump tube further comprises balls 6, wherein a plurality of circles of spherical balls 6 are embedded in the inner wall of the guide tube 1 from top to bottom, the balls 6 are rotatably arranged on the guide tube 1, the balls 6 protrude out of the inner wall of the guide tube 1, and the balls 6 are uniformly distributed along the circumferential direction of the guide tube 1.
As shown in fig. 2, the guide tube 1 includes a guide tube body 11 and a ball retainer 12 coaxially disposed, and the ball retainer 12 is disposed within the guide tube body 11. Specifically, the guide tube body 11 is arranged symmetrically and separately along the axial direction, and the two halves of the guide tube body 11 are combined together to arrange the ball retainer 12 in the guide tube body 11
The guide tube is characterized in that a groove 13 matched with the ball 6 is formed in the inner wall of the guide tube body 11, a limiting hole 14 matched with the ball 6 is formed in the ball retainer 12, and the ball 6 is rotatably arranged between the groove 13 and the limiting hole 14. In this embodiment, the guide tube body 11, the ball retainer 12 and the balls 6 are all made of steel materials, so that wear resistance and strength are ensured.
The working principle is that as shown in fig. 3, a balancing weight 300 is arranged at the lower end of a pump pipe 200 and placed in a well 100, a pressing rod 400 is arranged at the upper end surface of the balancing weight 300, and the pump pipe 200 moves downwards along the axial direction of the well 100 under the action of gravity of the balancing weight 300 and the pressing rod 400. The connection manner among the balancing weight 300, the pressing rod 400 and the pump tube 200 is realized by adopting the prior art, and details are not repeated here.
In order to prevent the pump pipe 200 from being rubbed with the upper edge of the well drilling 100 and being worn, before the pipe is put down, the guide pipe 1 is put into the well drilling 100, the positioning flange 101 can effectively ensure that the guide pipe 1 is kept coaxial with the well drilling 100 and the upper anti-abrasion roller 2 is prevented from swaying, the pump pipe 200 is put into the well drilling 100 through the anti-abrasion roller 2 and the guide pipe 1, the upper edge of the pump pipe 200 and the well drilling 100 can be prevented from being rubbed, the abrasion of the pump pipe 200 is reduced, the friction force of the pipe is reduced by the anti-abrasion roller 2, and the speed below the pump pipe 200 is further improved.
Claims (7)
1. The lower pipe auxiliary device of the ground source heat pump pipe is characterized by comprising a hollow guide pipe (1) and an anti-abrasion roller (2), wherein a positioning flange (101) is arranged at the upper end of the guide pipe (1), the anti-abrasion roller (2) is horizontally arranged above the positioning flange (101), and the anti-abrasion roller (2) can rotate around the axis of the anti-abrasion roller;
The inner diameter of the guide pipe (1) is smaller than or equal to the inner diameter of the well (100).
2. The auxiliary device for the lower pipe of the ground source heat pump pipe according to claim 1, further comprising a pipe position adjusting mechanism, wherein the pipe position adjusting mechanism comprises a guide supporting plate (3), a sliding block (4) and a fixing bolt (5), wherein the sliding block (4) is slidably arranged in the guide supporting plate (3);
the anti-abrasion guide device is characterized in that the guide support plate (3) is fixedly arranged above the positioning flange (101) parallel to the longitudinal section of the guide tube (1), the anti-abrasion roller (2) is rotatably arranged on the sliding block (4), the side wall of the guide support plate (3) is provided with a guide slide way (31) in a penetrating mode, the sliding block (4) is provided with a threaded hole (41), and the fixing bolt (5) penetrates through the guide slide way (31) to be in threaded connection with the threaded hole (41).
3. The auxiliary device for the lower pipe of the ground source heat pump pipe according to claim 1 or 2, further comprising balls (6), wherein a plurality of circles of spherical balls (6) are embedded in the inner wall of the guide pipe (1) from top to bottom, the balls (6) are rotatably arranged on the guide pipe (1), and the balls (6) are arranged to protrude out of the inner wall of the guide pipe (1).
4. A lower pipe auxiliary device of a ground source heat pump pipe according to claim 3, wherein the balls (6) are uniformly distributed along the circumferential direction of the guide pipe (1).
5. A lower pipe auxiliary device of a ground source heat pump pipe according to claim 3, wherein the guide pipe (1) comprises a guide pipe body (11) and a ball retainer (12) which are coaxially arranged, and the ball retainer (12) is arranged in the guide pipe body (11);
The guide tube is characterized in that a groove (13) matched with the ball (6) is formed in the inner wall of the guide tube body (11), a limiting hole (14) matched with the ball (6) is formed in the ball retainer (12), and the ball (6) is rotatably arranged between the groove (13) and the limiting hole (14).
6. The auxiliary device for the lower pipe of the ground source heat pump pipe according to claim 1 or 2 is characterized in that an arc concave surface is arranged in the middle of the anti-abrasion roller (2).
7. The auxiliary device for the lower pipe of the ground source heat pump pipe according to claim 1 or 2, wherein the anti-abrasion roller (2) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423227773.1U CN223423948U (en) | 2024-12-25 | 2024-12-25 | Lower pipe auxiliary device of ground source heat pump pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423227773.1U CN223423948U (en) | 2024-12-25 | 2024-12-25 | Lower pipe auxiliary device of ground source heat pump pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223423948U true CN223423948U (en) | 2025-10-10 |
Family
ID=97253851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423227773.1U Active CN223423948U (en) | 2024-12-25 | 2024-12-25 | Lower pipe auxiliary device of ground source heat pump pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223423948U (en) |
-
2024
- 2024-12-25 CN CN202423227773.1U patent/CN223423948U/en active Active
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