CN116658680B - Automatic buried pipe discharging device for ground source heat pump installation - Google Patents
Automatic buried pipe discharging device for ground source heat pump installation Download PDFInfo
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- CN116658680B CN116658680B CN202310933945.8A CN202310933945A CN116658680B CN 116658680 B CN116658680 B CN 116658680B CN 202310933945 A CN202310933945 A CN 202310933945A CN 116658680 B CN116658680 B CN 116658680B
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- protection sleeve
- clamping
- pipe
- driving rod
- heat pump
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- 238000007599 discharging Methods 0.000 title claims abstract description 14
- 238000009434 installation Methods 0.000 title claims description 10
- 238000003825 pressing Methods 0.000 claims abstract description 33
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 23
- 238000005253 cladding Methods 0.000 claims description 18
- 238000005096 rolling process Methods 0.000 claims description 15
- 238000005452 bending Methods 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 230000011218 segmentation Effects 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/06—Accessories therefor, e.g. anchors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The application relates to the technical field of pipeline laying, and in particular relates to an automatic buried pipe discharging device for mounting a ground source heat pump, which aims at the problem that the depth and the posture of the buried pipe cannot be guaranteed after the buried pipe is discharged; the automatic pipe feeding device also comprises an ejection type positioning controller, wherein the ejection type positioning controller is used for fixing the bent end of the U-shaped pipe at the bottom of a drilled hole through a pin, friction with the hole wall is reduced in the process of placing the U-shaped pipe along with the U-shaped pipe through the arrangement of the protective sleeve, and the pin straddling the bent section of the U-shaped pipe is driven into the bottom of the hole through the pressing plate after the U-shaped pipe is in bottoming contact, so that the bent section of the U-shaped pipe is fixed at the bottom of the drilled hole.
Description
Technical Field
The application relates to the technical field of pipeline laying, in particular to an automatic buried pipe discharging device for installing a ground source heat pump.
Background
The geothermal heat pump system is also called a ground source heat pump, and takes ground source energy (soil, groundwater, surface water, low-temperature geothermal water and tail water) as a cooling source for refrigerating in summer and a low-temperature heat source for heating in winter of the heat pump, and is a system for realizing heating, refrigerating and domestic hot water;
the depth of the lower pipe is one of the keys of the construction engineering of the ground-buried pipe ground-source heat pump system, and the depth of the lower pipe is ensured because the depth of the lower pipe determines the total amount of heat, so that the drilling depth of the ground-buried pipe ground-source heat pump system, especially the vertical ground-buried pipe ground-source heat pump system, can reach more than 100 meters.
Patent: CN112344092B discloses an automatic pipe-laying device and a pipe-laying method for a buried pipe, the automatic pipe-laying device can fix a water supply pipe and a water return pipe of a U-shaped buried pipe through arc clamping plates in two clamping devices, so that the water supply pipe and the water return pipe are in a parallel state, a pipe clamp or a pipe clamp is conveniently installed on the buried pipe between the two clamping devices, and on the other hand, after the pipe clamp or the pipe clamp is installed, the two clamping devices can alternately draw and lay the pipe through the clamping mechanisms in the two clamping devices, so that the buried pipe is continuously fed into a well; the two branch pipes of the buried pipe are clamped, and the buried pipe is not damaged; therefore, the automatic pipe discharging device can replace manual pipe discharging operation which is automatic, has higher efficiency and more stable pipe discharging process, shortens the construction period and is suitable for comprehensive popularization.
This patent has the following problems: because the buried pipe is made of polyethylene or polyolefin materials, the pipe has certain softness, the possibility of bending the pipe can be realized in the pipe-discharging process, if the end part of the pipe is rubbed with the rock or mud block protruding from the hole wall in the pipe-discharging process, the bending possibility is further increased, the service life of the pipe can be greatly influenced when the pipe is in a bending state for a long time, after the pipe-discharging process is finished, the pipe needs to be filled with a mixture of bentonite and fine sand for backfilling, and because the backfill is solidified for a certain time, the buried pipe can float upwards under the buoyancy effect of the backfill, so that the depth of the buried pipe is changed, and the heat exchange efficiency of the ground source heat pump is influenced.
Disclosure of Invention
The technical problem that the depth and the posture of the buried pipe cannot be guaranteed after the buried pipe is laid is solved.
The application provides an automatic buried pipe discharging device for installing a ground source heat pump, which comprises a protective sleeve, wherein the protective sleeve is sleeved at a bending point of a U-shaped pipe, a clamping module is arranged on the protective sleeve, the clamping module is used for fixing the protective sleeve and the U-shaped pipe, a clamping driving mechanism used for controlling the clamping module is arranged on the protective sleeve, the clamping driving mechanism comprises a driving rod, the driving rod is in transmission connection with the clamping module, a first balancing weight is arranged at the bottom end of the driving rod, and the driving rod controls the clamping module to be connected with the U-shaped pipe when the first balancing weight is in a falling state; and
the automatic pipe feeding device further comprises an ejection type positioning controller, the ejection type positioning controller is arranged below the protective sleeve, the ejection type positioning controller is used for fixing the bent end of the U-shaped pipe to the bottom of a drilling hole through a pin, and the ejection type positioning controller is started when the first balancing weight is in a rising state.
Preferably, the clamping modules are two groups, the two groups of clamping modules are arranged on the inner wall of the protective sleeve, the clamping modules comprise two clamping rods, the two clamping rods are hinged to the inner wall of the protective sleeve, and the clamping rods are in transmission connection with the clamping driving mechanism.
Preferably, the driving rod is arranged on the inner wall of the protective sleeve and is in sliding connection with the protective sleeve, at least one thread guide groove is formed in the driving rod, rotating rings corresponding to the number of the thread guide grooves are arranged on the inner wall of the protective sleeve, the rotating rings are rotatably connected with the protective sleeve, protruding blocks are arranged at the inner edge of the rotating rings and are positioned in the thread guide grooves, and a second gear is arranged on the rotating rings;
the junction of clamp lever and protection sleeve is provided with first gear, and protection sleeve's inner wall is provided with segmentation ring gear, segmentation ring gear and protection sleeve sliding connection to segmentation ring gear and first gear meshing, the segmentation ring gear that the second gear corresponds with the clamp lever meshes.
Preferably, the protection sleeve is of a circular tubular pile structure, second balancing weights are uniformly distributed on the protection sleeve, and a plurality of first rolling bodies are arranged on the outer wall of the protection sleeve.
Preferably, the protection sleeve is symmetrically provided with cladding plates, the two cladding plates are connected through a buckle, the ejection positioning controller is arranged on the cladding plates and comprises a pressing plate and a baffle plate, the pressing plate is arranged on the inner wall of the cladding plates and is in sliding connection with the inner wall of the cladding plates, the top of the pressing plate is provided with a first elastic element for pushing the pressing plate to move downwards, the pressing plate completes the pressing action when the first elastic element is in an extending state, the baffle plate is arranged below the pressing plate, the baffle plate is elastically connected with the cladding plates through a second elastic element, a separation block is further arranged on the baffle plate and used for controlling the distance between the pressing plate and the baffle plate, and the separation block is separated from the support of the pressing plate when the second elastic element is in a shrinking state.
Preferably, the baffle is further provided with an arc-surface guide block, the driving rod is provided with an extension rod, the extension rod is contacted with the arc-surface guide block through the second rolling body, and when the driving rod is in a rising state, the arc-surface guide block drives the baffle to separate from the support of the pressing plate.
Preferably, the automatic pipe feeding device further comprises a displacement control mechanism, the displacement control mechanism comprises a cylinder, the cylinder is arranged on the protective sleeve and located at the top end of the driving rod, a limiting piece is arranged at the top end of the driving rod, a limiting block used for controlling the moving direction of the limiting piece is arranged on the cylinder, and a sensor is arranged at the top end of the cylinder.
Preferably, the limiting block is elastically connected with the cylinder, the limiting block is provided with a slope surface and a straight surface, the limiting plate is pressed to retract under the guiding action of the slope surface when the driving rod ascends, and the straight surface of the limiting block can prevent the limiting plate of the driving rod from falling when the limiting plate is positioned above the limiting block.
Compared with the prior art, the application has the following beneficial effects:
according to the application, friction with the hole wall is reduced in the process of placing the U-shaped pipe along with the protection sleeve, and pins straddling the U-shaped pipe bending section are driven into the hole bottom through the pressing plate after the U-shaped pipe is in bottoming contact, so that the U-shaped pipe bending section is fixed at the bottom of a drilled hole, and the water supply pipe and the water return pipe of the U-shaped pipe in the drilled hole are kept in a straightened state after the two pipelines are straightened outside the drilled hole.
Drawings
FIG. 1 is a schematic perspective view of a first working state of the present application;
FIG. 2 is a front view of a first operating condition of the present application;
FIG. 3 is a schematic diagram showing a first working state of the present application;
FIG. 4 is a front view I of a second operational state of the present application;
FIG. 5 is a second front view of the second operating state of the present application;
FIG. 6 is a cross-sectional view taken in the direction A-A of FIG. 5;
FIG. 7 is an enlarged view at B of FIG. 6;
FIG. 8 is a front view of the drive rod and rotary ring of the present application;
FIG. 9 is a cross-sectional view in the direction C-C of FIG. 8;
FIG. 10 is a front view of a second operational state of the present application;
FIG. 11 is a sectional view in the direction D-D of FIG. 10;
FIG. 12 is a schematic perspective view of FIG. 11;
FIG. 13 is an enlarged view of FIG. 12 at E;
FIG. 14 is a side view of the second operational state of the present application;
FIG. 15 is a cross-sectional view in the F-F direction of FIG. 14;
fig. 16 is an enlarged view at G of fig. 15;
fig. 17 is an enlarged view at H of fig. 15;
FIG. 18 is a side view of a third operational state of the present application;
FIG. 19 is a cross-sectional view in the direction I-I of FIG. 18;
FIG. 20 is an enlarged view at J of FIG. 19;
fig. 21 is an enlarged view at K of fig. 19.
The reference numerals in the figures are:
1-a protective sleeve; 1 A-A second balancing weight; 1 b-first rolling elements; 1 c-cladding the plate;
2-clamping the module; 2 a-clamping bars; 2 b-a first gear; 2 c-segmented ring gear;
3-clamping a driving mechanism; 3 A-A drive rod; 3a 1-a first balancing weight; 3a 2-extension rod; 3a 3-second rolling elements; 3a 4-limiting sheets; 3 b-a thread guide groove; 3 c-a rotating ring; 3c 1-bump; 3c 2-a second gear;
4-ejection type positioning controller; 4 A-A pressing plate; 4a 1-a first elastic element; 4 b-baffle; 4b 1-spacer blocks; 4b 2-cambered surface guide block; 4b 3-a second elastic element;
5-a displacement control mechanism; 5 A-A cylinder; 5 b-limiting block; 5 c-sensor;
6-U-shaped tube;
7-rectangular fastening nails; 7 A-A vertical rod; 7 b-a beam bar;
8-winch.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the application. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
As shown in fig. 1 to 21, the following preferred technical solutions are provided:
the automatic buried pipe discharging device for the ground source heat pump installation comprises a protection sleeve 1, wherein the protection sleeve 1 is sleeved at a bending point of a U-shaped pipe 6, a clamping module 2 is arranged on the protection sleeve 1, the clamping module 2 is symmetrically arranged on the inner wall of the protection sleeve 1, and the clamping module 2 is used for fixing the protection sleeve 1 and the U-shaped pipe 6;
the two groups of clamping modules 2 are symmetrically arranged on the inner wall of the protection sleeve 1, the two groups of clamping modules 2 are longitudinally staggered, each clamping module 2 comprises two clamping rods 2a, the two clamping rods 2a are hinged to the inner wall of the protection sleeve 1, one clamping rod 2a is in a rod shape, the other clamping rod 2a is in a fork shape, a first gear 2b is arranged at the joint of the two clamping rods 2a and the protection sleeve 1, a segmented gear ring 2c is arranged on the inner wall of the protection sleeve 1, the segmented gear ring 2c is in sliding connection with the protection sleeve 1, and the segmented gear ring 2c is meshed with the first gear 2 b;
the protection sleeve 1 is provided with a clamping driving mechanism 3 for controlling the clamping module, the clamping driving mechanism 3 is provided with two groups, the clamping driving mechanism 3 comprises a driving rod 3a, the driving rod 3a is arranged on the inner wall of the protection sleeve 1 and is in sliding connection with the inner wall of the protection sleeve, the driving rod 3a is provided with a threaded guide groove 3b, the threaded guide groove 3b is provided with two sections, the two sections of threaded guide grooves 3b are longitudinally arranged along the driving rod 3a, the two sections of threaded guide grooves 3b are oppositely arranged, the inner wall of the protection sleeve 1 is provided with two rotating rings 3c, the rotating rings 3c are rotatably connected with the protection sleeve 1, the inner edge of the rotating ring 3c is provided with a lug 3c1, the lug 3c1 is positioned in the thread guide groove 3b, the two rotating rings 3c are provided with second gears 3c2, the two second gears 3c2 are respectively meshed with the segmented gear rings 2c corresponding to one clamping rod 2a in the two groups of clamping modules 2, the bottom end of the driving rod 3a is provided with a first balancing weight 3a1, the first balancing weight 3a1 is lower than the bottom end of the U-shaped pipe 6 in a falling state, the clamping modules 2 are in a working state, and after the U-shaped pipe 6 is placed, the driving rod 3a controls the clamping modules 2 to stop fixing with the U-shaped pipe 6;
the protection sleeve 1 is of a circular tubular pile structure, the outer wall of the protection sleeve 1 is provided with four second balancing weights 1a in a surrounding mode, the second balancing weights 1a are not limited to the second balancing weights, the outer wall of the protection sleeve 1 is also provided with first rolling bodies 1b, the first rolling bodies 1b are rollers but not limited to the first rolling bodies, and friction between the protection sleeve 1 and a hole wall can be reduced in the process of being placed along with the U-shaped pipe 6 through the arrangement of the first rolling bodies 1 b;
the automatic pipe feeding device also comprises ejection type positioning controllers 4, wherein the protection sleeve 1 is symmetrically provided with cladding plates 1c, the cladding plates 1c are arranged at the bottom end of the protection sleeve 1 and hinged with the protection sleeve 1, the two cladding plates 1c are connected through buckles, the two ejection type positioning controllers are respectively arranged on the two cladding plates 1c, each ejection type positioning controller 4 comprises a pressing plate 4a and a baffle plate 4b, the pressing plate 4a is arranged on the inner wall of Bao Fuban c and is in sliding connection with the inner wall, the top of the pressing plate 4a is provided with a first elastic element 4a1 for pushing the pressing plate 4a to move downwards, the first elastic element 4a1 is a spring, but not limited to the spring, two ends of the first elastic element 4a1 are respectively connected with the cladding plates 1c and the pressing plate 4a, the pressing plate 4a completes the pressing action when the first elastic element 4a1 is in an extending state, the baffle plate 4b is positioned below the pressing plate 4a, the baffle 4b is slidably connected with the cladding plate 1c, the baffle 4b is provided with a second elastic element 4b3, the second elastic element 4b3 is a spring but is not limited to the spring, the baffle 4b is elastically connected with the cladding plate 1c through the second elastic element 4b3, the baffle 4b is also provided with a separation block 4b1, the separation block 4b1 is used for controlling the distance between the pressing plate 4a and the baffle 4b, the separation block 4b1 is separated from the support of the pressing plate 4a when the second elastic element 4b3 is in a contracted state, the baffle 4b is also provided with a cambered surface guide block 4b2, the driving rod 3a is provided with an extension rod 3a2, the extension rod 3a2 is contacted with the cambered surface guide block 4b2 through the second rolling body 3a3, the second rolling body 3a3 is a ball but is not limited to the spring, and when the longitudinal position of the driving rod 3a is changed, the contact point between the second rolling body 3a3 of the extension rod 3a2 and the cambered surface guide block 4b2 is changed;
the automatic pipe feeding device further comprises a displacement control mechanism 5, the displacement control mechanism 5 is arranged above the protection sleeve 1, the displacement control mechanism 5 corresponds to the driving rods 3a in number, the displacement control mechanism 5 comprises a cylinder 5a, the cylinder 5a is sleeved on the top end of the driving rods 3a, the cylinder 5a is fixedly connected with the protection sleeve 1, a limiting piece 3a4 is arranged on the top end of the driving rods 3a, a limiting piece 5b is arranged on the cylinder 5a, the limiting piece 5b is elastically connected with the cylinder 5a, the limiting piece 5b is provided with a slope and a flat surface, the limiting piece 3a4 of the driving rods 3a is used for compressing the limiting piece 5b to retract under the action of the slope when the driving rods 3a ascend, the flat surface of the limiting piece 3b is used for preventing the limiting piece 3a4 of the driving rods 3a from falling, a sensor 5c is arranged on the top end of the cylinder 5a, and the sensor 5c is a displacement sensor but is not limited to the displacement sensor.
Specifically, the U-shaped pipe 6 needs to be placed in a drill hole in the process of vertically burying the pipe, because the U-shaped pipe 6 in the drill hole floats upwards to a certain extent when backfilling is carried out, deflection or bending is caused, in order to avoid the problem that the service life of a pipeline is reduced under long-term use due to irregular bending of the U-shaped pipe 6 in the backfilling after placement is finished, the pipeline is made of PE high-density polyethylene material, and all the polyethylene pipes are connected by using special hot melting equipment in a hot melting way;
1. after the drilling of the buried pipe is finished, a bracket and a supporting cylinder are erected at a drill hole, the protection sleeve 1 is sleeved above the bent end of the U-shaped pipe 6 from bottom to top, and a winch wound with the U-shaped buried pipe is placed beside the drill hole;
2. the driving rods 3a of the two clamping driving mechanisms 3 are in a freely falling state, the driving rods 3a are driven to move downwards through the first balancing weights 3a1, only vertical sliding can be performed in the process of moving downwards the driving rods 3a, and rotation cannot be performed, so that the protruding blocks 3c1 move along the guiding direction through the guiding of the threaded guiding grooves 3b, the rotating ring 3c rotates, the second gear 3c2 rotates along with the rotating ring 3c, and the segmented gear ring 2c drives the clamping rods 2a to perform angle rotation through the first gear 2b because the second gear 3c2 is meshed with the segmented gear ring 2c, the two clamping driving mechanisms 3 drive the four clamping rods 2a to perform angle rotation simultaneously, each two clamping rods 2a are a group of straight line segments for the U-shaped pipe 6, and particularly, three points are formed between the two clamping rods 2a and the inner wall of the protection sleeve 1 so as to clamp;
3. the rectangular fastening nail 7 is ridden over the bending end of the U-shaped pipe 6, the rectangular fastening nail 7 consists of two vertical nails and a beam rod 7b connected in the middle, as shown in fig. 2 and 5, then the two cladding plates 1c at the bottom end of the protection sleeve 1 are folded and connected through a buckle, and at the moment, the beam rod 7b of the rectangular fastening nail 7 needs to be ensured to be positioned between the pressing plate 4a and the baffle plate 4b, as shown in fig. 12 and 13;
4. the U-shaped pipe 6 is conveyed into the drill hole through a manual work or a conveying device, a pipe clamp or a pipe clamp is arranged between a water supply pipe and a water return pipe in the conveying process, the distance between the water supply pipe and the water return pipe is fixed, friction between the end part of the U-shaped pipe 6 and the hole wall is avoided under the protection of the protection sleeve 1 and the first rolling body 1b, and the U-shaped pipe 6 is ensured to be in a straightening state under the clamping of the second balancing weight 1a arranged on the protection sleeve 1 and the first balancing weight 3a1 on the driving rod 3a in the conveying process, and meanwhile, the straight line section of the U-shaped pipe 6 is prevented from friction with the hole wall;
5. when the U-shaped pipe 6 is to be contacted with the bottom of the drilled hole, the first balancing weight 3a1 is contacted with the bent end of the U-shaped pipe 6 before the first balancing weight 3a1 is contacted with the bottom of the drilled hole, after the first balancing weight 3a1 is contacted with the bottom of the drilled hole, the U-shaped pipe 6 is continuously in a straightened state under the holding of the second balancing weight 1a of the protection sleeve 1 and is matched with the transportation of the U-shaped pipe 6 into the hole to move downwards, because the first balancing weight 3a1 and the U-shaped pipe 6 can not be continuously moved downwards at this time, the driving rod 3a starts to ascend relative to the protection sleeve 1, in the ascending process, the four clamping rods 2a are finally opened through the matching of the threaded guide groove 3b and the protruding block 3c1, meanwhile, the driving rod 3a also drives the guide block 4b2 to move through the second rolling body 3a3 on the extension rod 3a2, as shown in fig. 20, so that the baffle 4b moves and breaks away from the support of the cross beam rod 7b of the rectangular fastening pin 7, and the baffle 4b moves along with the baffle 4b and breaks away from the support of the rectangular fastening pin 7, the baffle 4b moves along with the baffle 4a1 and moves along with the baffle 4a and breaks away from the support element 4a, thus the rectangular fastening pin 7, the elastic pin 4a is quickly driven by the baffle 4a, and the elastic pin 4a is driven by the baffle 4, and the baffle 4b moves down the baffle 7, and the elastic pin 7, and the elastic pin is fastened to be fastened to the bottom of the hole, and the bottom of the nail 7, and the hole is fastened;
6. after the driving rod 3a is lifted, the driving rod is prevented from falling by the limiting block 5b in the cylinder 5a, and under the monitoring of the sensor 5c, a worker can know the limiting piece 3a4 and complete the lifting action and stop, so that the U-shaped pipe 6 can be judged to be completely bottomed, and meanwhile, because the clamping module 2 stops being fixed with the U-shaped pipe 6, the worker pulls the U-shaped pipe 6 to retract through the winding mechanism connected with the protection sleeve 1.
The foregoing has shown and described the basic principles, principal features and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present application, and various changes and modifications may be made therein without departing from the spirit and scope of the application, which is defined by the appended claims. The scope of the application is defined by the appended claims and equivalents thereof.
Claims (8)
1. The automatic buried pipe discharging device for the ground source heat pump installation is characterized by comprising a protection sleeve (1), wherein the protection sleeve (1) is sleeved at a bending point of a U-shaped pipe (6), a clamping module (2) is arranged on the protection sleeve (1), the clamping module (2) is used for fixing the protection sleeve (1) and the U-shaped pipe (6), a clamping driving mechanism (3) used for controlling the clamping module is arranged on the protection sleeve (1), the clamping driving mechanism (3) comprises a driving rod (3 a), the driving rod (3 a) is in transmission connection with the clamping module (2), a first balancing weight (3 a 1) is arranged at the bottom end of the driving rod (3 a), and the driving rod (3 a) controls the clamping module (2) to be connected with the U-shaped pipe (6) when the first balancing weight (3 a 1) is in a falling state; and
the automatic pipe feeding device further comprises an ejection type positioning controller (4), the ejection type positioning controller (4) is arranged below the protective sleeve (1), the ejection type positioning controller (4) is used for fixing the bent end of the U-shaped pipe (6) at the bottom of a drilled hole through a pin, and the ejection type positioning controller (4) is started when the first balancing weight (3 a 1) is in a rising state.
2. The automatic pipe feeding device for ground source heat pump installation according to claim 1, wherein two groups of clamping modules (2) are arranged, the two groups of clamping modules (2) are arranged on the inner wall of the protection sleeve (1), each clamping module (2) comprises two clamping rods (2 a), the two clamping rods (2 a) are hinged to the inner wall of the protection sleeve (1), and the clamping rods (2 a) are in transmission connection with the clamping driving mechanism (3).
3. The automatic pipe laying device for ground source heat pump installation according to claim 2, wherein the driving rod (3 a) is arranged on the inner wall of the protection sleeve (1) and is in sliding connection with the protection sleeve, at least one threaded guide groove (3 b) is formed in the driving rod (3 a), rotating rings (3 c) corresponding to the threaded guide grooves (3 b) in number are arranged on the inner wall of the protection sleeve (1), the rotating rings (3 c) are rotatably connected with the protection sleeve (1), a protruding block (3 c 1) is arranged at the inner edge of the rotating ring (3 c), the protruding block (3 c 1) is positioned in the threaded guide groove (3 b), and a second gear (3 c 2) is arranged on the rotating ring (3 c);
the connecting part of the clamping rod (2 a) and the protection sleeve (1) is provided with a first gear (2 b), the inner wall of the protection sleeve (1) is provided with a segmented gear ring (2 c), the segmented gear ring (2 c) is in sliding connection with the protection sleeve (1), the segmented gear ring (2 c) is meshed with the first gear (2 b), and the second gear (3 c 2) is meshed with the segmented gear ring (2 c) corresponding to the clamping rod (2 a).
4. The automatic buried pipe discharging device for installing the ground source heat pump according to claim 1 is characterized in that the protection sleeve (1) is of a circular tubular pile structure, second balancing weights (1 a) are uniformly distributed on the protection sleeve (1), and a plurality of first rolling bodies (1 b) are arranged on the outer wall of the protection sleeve (1).
5. The automatic pipe laying device for ground source heat pump installation according to claim 1, wherein the protection sleeve (1) is symmetrically provided with cladding plates (1 c), two cladding plates (1 c) are connected through buckles, the ejection positioning controller is arranged on Bao Fuban (1 c), the ejection positioning controller (4) comprises a pressing plate (4 a) and a baffle plate (4 b), the pressing plate (4 a) is arranged on the inner wall of Bao Fuban (1 c) and is in sliding connection with the pressing plate, a first elastic element (4 a 1) for pushing the pressing plate (4 a) to move downwards is arranged at the top of the pressing plate (4 a), the pressing plate (4 a) completes the pressing action when the first elastic element (4 a 1) is in an extending state, the baffle plate (4 b) is arranged below the pressing plate (4 a), the baffle plate (4 b) is elastically connected with the cladding plates (1 c) through a second elastic element (4 b 3), a separation block (4 b 1) is further arranged on the baffle plate (4 b), and the separation block (4 b 1) is used for controlling the separation block (4 a) to separate from the pressing plate (4 b) to be in a contracting state when the separation block (4 a) is in a contracting state.
6. The automatic pipe feeding device for a ground source heat pump installation according to claim 5, wherein the baffle plate (4 b) is further provided with an arc surface guide block (4 b 2), the driving rod (3 a) is provided with an extension rod (3 a 2), the extension rod (3 a 2) is contacted with the arc surface guide block (4 b 2) through the second rolling body (3 a 3), and when the driving rod (3 a) is in a rising state, the arc surface guide block (4 b 2) drives the baffle plate (4 b) to be separated from the support of the counter plate (4 a).
7. The automatic pipe feeding device for the ground-source heat pump installation according to claim 1, wherein the automatic pipe feeding device further comprises a displacement control mechanism (5), the displacement control mechanism (5) comprises a cylinder (5 a), the cylinder (5 a) is arranged on the protection sleeve (1) and is positioned at the top end of the driving rod (3 a), a limiting piece (3 a 4) is arranged at the top end of the driving rod (3 a), a limiting block (5 b) for controlling the moving direction of the limiting piece (3 a 4) is arranged on the cylinder (5 a), and a sensor (5 c) is arranged at the top end of the cylinder (5 a).
8. The automatic pipe feeding device for a ground-source heat pump installation according to claim 7, wherein the limiting block (5 b) is elastically connected with the cylinder (5 a), the limiting block (5 b) has a slope and a flat surface, the limiting block (5 b) is pressed to retract by the limiting piece (3 a 4) under the guiding action of the slope when the driving rod (3 a) ascends, and the flat surface of the limiting block (5 b) prevents the limiting piece (3 a 4) of the driving rod (3 a) from falling when the limiting piece (3 a 4) is positioned above the limiting block (5 b).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310933945.8A CN116658680B (en) | 2023-07-27 | 2023-07-27 | Automatic buried pipe discharging device for ground source heat pump installation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310933945.8A CN116658680B (en) | 2023-07-27 | 2023-07-27 | Automatic buried pipe discharging device for ground source heat pump installation |
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| CN116658680B true CN116658680B (en) | 2023-10-24 |
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| CN116658680A (en) | 2023-08-29 |
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