Production equipment for HDPE (High-Density Polyethylene) pipe winding structure wall reducing inspection well

Abstract

The invention relates to the technical field of HDPE pipe winding inspection well production equipment, and discloses production equipment for an HDPE pipe winding structure wall reducing inspection well, the production equipment comprises a fixed seat, an extruder is mounted at the top of the fixed seat, a protective cover is fixedly assembled on the outer wall of the extruder, and a waste heat recovery assembly is arranged at the top of the extruder. According to the production equipment for the HDPE pipe winding structure wall variable-diameter inspection well, a heat conducting plate is arranged at the top of an extruder, heat dissipated outwards by the extruder is absorbed under the action of the heat conducting plate, heat conducting oil in an inner cavity of a runner is heated, the temperature of the heat conducting oil is increased, the heat conducting oil is released into a heat conducting cylinder through an oil outlet pipe and a connecting pipe, and the heat conducting effect is improved. The plastic particles in the inner cavity of the discharging barrel are preheated under the action of the heat conduction barrel, the temperature of the plastic particles is increased, then the heating time of subsequent heating equipment on the plastic particles is shortened, the plastic particles can reach the melting temperature more quickly, and then energy saving and efficiency increasing are achieved.

Description

Technical Field

[0001] This invention relates to the technical field of HDPE pipe winding inspection well production equipment, specifically to production equipment for HDPE pipe winding structure wall variable diameter inspection wells. Background Technology

[0002] HDPE pipe spiral wound structure wall variable diameter inspection well is an integrated drainage inspection well with variable diameter function, made of high-density polyethylene as raw material and manufactured by hot winding molding process. The core is to adapt to pipes of different diameters through a frustum-shaped variable diameter transition section, so as to solve the needs of pipe diameter conversion and maintenance in drainage system. It is mostly used in municipal drainage, industrial sewage discharge and other scenarios. In the production process of inspection well, HDPE pipes need to be produced first, and then the HDPE pipes are wound into the inspection well barrel. Plastic extrusion molding machine is required when producing HDPE pipes.

[0003] In traditional plastic extrusion molding machines, when plastic granules enter the extruder, the screw inside the machine extrudes, compresses, conveys, and heats the plastic granules, causing them to melt and form. Heating equipment is needed to assist in raising the temperature of the plastic granules. However, after the plastic granules are heated, the heat generated is dissipated to the outside through the air. Traditional equipment cannot recover the waste heat generated by the heating equipment, resulting in a certain degree of energy consumption. Over a long period of operation, this leads to increased production costs. Summary of the Invention

[0004] This invention provides production equipment for HDPE pipe spiral wound structure wall variable diameter inspection wells, which solves the problems mentioned in the background art.

[0005] The present invention provides the following technical solution: a production equipment for HDPE pipe spiral wound structure wall variable diameter inspection well, including a fixed base, an extruder mounted on the top of the fixed base, a protective cover fixedly mounted on the outer wall of the extruder, a waste heat recovery component on the top of the extruder, a feeding cylinder fixedly mounted on the top of the extruder, a cooling component on the top of the fixed base, and a discharge cylinder fixedly mounted on the outer wall of the extruder.

[0006] As a preferred technical solution of the present invention: the waste heat recovery component includes a heat-conducting plate, an oil outlet pipe is fixedly assembled on the outer wall of the heat-conducting plate, an oil inlet pipe is fixedly assembled on the outer wall of the heat-conducting plate, a heat-conducting cylinder is installed on the outer wall of the feeding cylinder, and a fixing cylinder is fixedly assembled on the outer wall of the oil outlet pipe.

[0007] As a preferred embodiment of the present invention: an impeller is rotatably connected to the inner cavity of the fixed cylinder, a connecting pipe is fixedly assembled on the outer wall of the fixed cylinder, a circulating pump is installed on the outer wall of the connecting pipe, a flow channel is opened in the inner cavity of the heat-conducting plate, and a transmission rod is fixedly assembled on the outer wall of the impeller.

[0008] As a preferred embodiment of the present invention: the outer wall of the end of the connecting pipe away from the fixed cylinder is connected to the outer wall of the heat-conducting cylinder, the outer wall of the end of the oil inlet pipe away from the heat-conducting plate is connected to the heat-conducting cylinder, and the outer wall shape of the heat-conducting cylinder matches the outer wall shape of the feeding cylinder.

[0009] As a preferred embodiment of the present invention: the heat-conducting plate is made of copper, the oil outlet pipe and the connecting pipe are respectively connected to the inner cavity of the fixed cylinder, the transmission rod passes through the outer wall of the fixed cylinder and is connected to the impeller, and the outer wall diameter of the impeller matches the inner wall diameter of the fixed cylinder.

[0010] As a preferred embodiment of the present invention: the cooling assembly includes a cooling water tank, a support leg is fixedly mounted on the bottom of the cooling water tank, an outlet pipe is fixedly mounted on the outer wall of the cooling water tank, an inlet pipe is fixedly mounted on the outer wall of the cooling water tank, a radiator is mounted on the top of the fixed base, and a mounting bracket is mounted on the outer wall of the radiator.

[0011] As a preferred technical solution of the present invention: a support frame is installed on the top of the fixed base, a transmission gear is rotatably connected to the inner cavity of the support frame, a chain is rolledly connected to the outer wall of the transmission gear, a heat dissipation blade is rotatably connected to the inner cavity of the mounting frame, a driven gear is fixedly assembled to the outer wall of the heat dissipation blade, and a water pump is fixedly assembled to the outer wall of the water outlet pipe.

[0012] As a preferred embodiment of the present invention: the outer wall of the transmission gear is connected to the outer wall of the transmission rod, and the shape of the outer wall of the mounting bracket matches the shape of the outer wall of the fixed cylinder.

[0013] As a preferred embodiment of the present invention: the two ends of the outer wall of the chain are respectively connected to the outer walls of the drive gear and the driven gear, and the chain is made of stainless steel.

[0014] As a preferred embodiment of the present invention: the bottom of the support leg is connected to the top of the fixed base, and the ends of the water inlet pipe and the water outlet pipe away from the cooling water tank are respectively connected to the radiator.

[0015] The present invention has the following beneficial effects:

[0016] 1. This HDPE pipe spiral wound structure wall variable diameter inspection well production equipment utilizes a heat-conducting plate installed at the top of the extruder and a heat-conducting cylinder installed on the outer wall of the feed cylinder. When the heat-conducting oil enters the flow channel of the heat-conducting plate, it can absorb the heat dissipated from the extruder under the action of the heat-conducting plate, thereby heating the heat-conducting oil in the inner cavity of the flow channel. This raises the temperature of the heat-conducting oil, which is then released into the heat-conducting cylinder through the oil outlet pipe and connecting pipe. Under the action of the heat-conducting cylinder, the plastic granules in the inner cavity of the feed cylinder are preheated, increasing the temperature of the plastic granules. This reduces the heating time of the plastic granules by subsequent heating equipment, allowing the plastic granules to reach the melting temperature more quickly, thus achieving energy saving and efficiency improvement.

[0017] 2. This HDPE pipe spiral wound structure wall variable diameter inspection well production equipment uses an impeller installed in the inner cavity of the fixed cylinder. During the circulation of heat transfer oil, the impeller is driven, thereby driving the rotation of the transmission rod and transmission gear. Under the action of the chain, the power is transmitted, causing the heat dissipation blades to rotate in the inner cavity of the mounting frame. This accelerates the air circulation on the outer wall of the radiator, so as to better cool the cooling water in the inner cavity of the cooling water tank under the action of the radiator. It also allows the cooling water to circulate and be reused, avoiding the need for continuous supply of cooling water in traditional equipment and reducing the waste of water resources. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a schematic diagram of the fixing base structure of the present invention;

[0020] Figure 3 This is a schematic diagram of the protective cover structure of the present invention;

[0021] Figure 4 This is a schematic diagram of the extruder structure of the present invention;

[0022] Figure 5 This is a schematic diagram of the heat-conducting cylinder structure of the present invention;

[0023] Figure 6 This is a schematic diagram of the heat-conducting plate structure of the present invention;

[0024] Figure 7 This is a schematic diagram of the cooling water tank structure of the present invention;

[0025] Figure 8 This is a schematic diagram of the heat sink structure of the present invention;

[0026] Figure 9 This is a schematic diagram of the impeller structure of the present invention.

[0027] In the diagram: 1. Fixed base; 2. Extruder; 3. Protective cover; 4. Waste heat recovery assembly; 5. Feeding cylinder; 6. Discharge cylinder; 7. Cooling assembly;

[0028] 401. Heat-conducting plate; 402. Oil outlet pipe; 403. Oil inlet pipe; 404. Heat-conducting cylinder; 405. Fixed cylinder; 406. Connecting pipe; 407. Circulating pump; 408. Impeller; 409. Flow channel; 4010. Transmission rod;

[0029] 701. Cooling water tank; 702. Support leg; 703. Water outlet pipe; 704. Water inlet pipe; 705. Radiator; 706. Mounting bracket; 707. Support frame; 708. Drive gear; 709. Chain; 7010. Heat dissipation fins; 7011. Driven gear; 7012. Water pump. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] Please see Figures 1-9 The production equipment for HDPE pipe spiral wound structure wall variable diameter inspection well includes a fixed base 1, an extruder 2 installed on the top of the fixed base 1, a protective cover 3 fixedly mounted on the outer wall of the extruder 2, a waste heat recovery component 4 on the top of the extruder 2, a feeding cylinder 5 fixedly mounted on the top of the extruder 2, a cooling component 7 on the top of the fixed base 1, and a discharge cylinder 6 fixedly mounted on the outer wall of the extruder 2.

[0032] In the above structure, by using the extruder 2 installed on the top of the fixed base 1, plastic granules are released into the inner cavity of the extruder 2. Under the action of the extruder 2, the plastic granules are melted, conveyed and extruded, thereby forming a complete pipe. Then, the pipe is released into the inner cavity of the cooling water tank 701. The formed pipe is cooled and cooled by the cooling water in the inner cavity of the cooling water tank 701.

[0033] In a preferred embodiment: the waste heat recovery assembly 4 includes a heat-conducting plate 401, an oil outlet pipe 402 is fixedly mounted on the outer wall of the heat-conducting plate 401, an oil inlet pipe 403 is fixedly mounted on the outer wall of the heat-conducting plate 401, a heat-conducting cylinder 404 is installed on the outer wall of the feeding cylinder 5, and a fixing cylinder 405 is fixedly mounted on the outer wall of the oil outlet pipe 402.

[0034] In the above structure, the heat-conducting plate 401 installed on the outer wall of the extruder 2 and the flow channel 409 opened in the inner cavity of the heat-conducting plate 401 generate a large amount of heat when the extruder 2 heats, extrudes, and melts the plastic particles. This heat is transferred upwards to the heat-conducting plate 401 and heats the heat-conducting oil in the inner cavity of the flow channel 409, thereby achieving heat transfer and increasing the temperature of the heat-conducting oil. Under the action of the circulating pump 407, the heat-conducting oil in the inner cavity of the heat-conducting plate 401 is further circulated. The oil is drawn in and released into the inner cavity of the heat-conducting cylinder 404 through the oil outlet pipe 402, the fixed cylinder 405, and the connecting pipe 406. This causes the temperature of the heat-conducting cylinder 404 to rise, and under the action of the heat-conducting cylinder 404, the plastic particles in the inner cavity of the feed cylinder 5 are preheated. After the preheating is completed, the heat-conducting oil in the inner cavity of the heat-conducting cylinder 404 will return to the inner cavity of the heat-conducting plate 401 through the oil inlet pipe 403, thereby reducing the subsequent heating time of the plastic particles by the extruder 2, and thus reducing the power consumption of the extruder 2 to a certain extent.

[0035] In a preferred embodiment: an impeller 408 is rotatably connected to the inner cavity of the fixed cylinder 405, a connecting pipe 406 is fixedly assembled on the outer wall of the fixed cylinder 405, a circulating pump 407 is installed on the outer wall of the connecting pipe 406, a flow channel 409 is opened in the inner cavity of the heat-conducting plate 401, and a transmission rod 4010 is fixedly assembled on the outer wall of the impeller 408.

[0036] In the above structure, the impeller 408 installed in the inner cavity of the fixed cylinder 405, under the suction of the circulating pump 407, causes the heat transfer oil in the inner cavity of the heat transfer plate 401 to enter the oil outlet pipe 402, and then enters the inner cavity of the fixed cylinder 405. As the heat transfer oil flows, it drives the impeller 408, causing the impeller 408 to rotate in the inner cavity of the fixed cylinder 405. In turn, the rotation of the impeller 408 drives the transmission rod 4010, causing the transmission rod 4010 to rotate on the outer wall of the fixed cylinder 405. After driving the impeller 408, the heat transfer oil will pass down through the fixed cylinder 405 and enter the inner cavity of the connecting pipe 406, and then enter the heat transfer cylinder 404. Under the action of the heat transfer cylinder 404, the plastic particles in the inner cavity of the feeding cylinder 5 are preheated.

[0037] In a preferred embodiment: the outer wall of the end of the connecting pipe 406 away from the fixed cylinder 405 is connected to the outer wall of the heat-conducting cylinder 404, the outer wall of the end of the oil inlet pipe 403 away from the heat-conducting plate 401 is connected to the heat-conducting cylinder 404, and the outer wall shape of the heat-conducting cylinder 404 matches the outer wall shape of the feeding cylinder 5.

[0038] In the above structure, the oil outlet pipe 402 and oil inlet pipe 403 are provided on the outer wall of the heat-conducting plate 401. Under the action of the oil outlet pipe 402 and oil inlet pipe 403, the heat-conducting oil can be circulated and transferred. After the heat-conducting oil is heated in the inner cavity of the heat-conducting plate 401, it is introduced into the heat-conducting cylinder 404. Since the heat-conducting cylinder 404 is sleeved around the outer wall of the feeding cylinder 5, the temperature of the heat-conducting cylinder 404 can preheat the plastic particles in the inner cavity of the feeding cylinder 5. This increases the temperature of the plastic particles, allowing them to reach the melting temperature more quickly after entering the inner cavity of the extruder 2. This reduces the power required to heat the plastic particles, thereby reducing energy consumption.

[0039] In a preferred embodiment: the heat-conducting plate 401 is made of copper, the oil outlet pipe 402 and the connecting pipe 406 are respectively connected to the inner cavity of the fixed cylinder 405, the transmission rod 4010 passes through the outer wall of the fixed cylinder 405 and is connected to the impeller 408, and the outer wall diameter of the impeller 408 matches the inner wall diameter of the fixed cylinder 405.

[0040] In the above structure, by using a fixed cylinder 405 provided on the outer wall of the oil outlet pipe 402 and an impeller 408 provided in the inner cavity of the fixed cylinder 405, after the heat transfer oil flows through the inner cavity of the fixed cylinder 405, the impeller 408 in the inner cavity of the fixed cylinder 405 can achieve a driving effect, thereby causing the impeller 408 to rotate in the inner cavity of the fixed cylinder 405, thereby driving the transmission rod 4010, so that the transmission rod 4010 can drive the transmission gear 708 to rotate, and the transmission gear 708 can rotate under the support of the support frame 707.

[0041] In a preferred embodiment: the cooling assembly 7 includes a cooling water tank 701, a support leg 702 is fixedly mounted on the bottom of the cooling water tank 701, an outlet pipe 703 is fixedly mounted on the outer wall of the cooling water tank 701, an inlet pipe 704 is fixedly mounted on the outer wall of the cooling water tank 701, a radiator 705 is mounted on the top of the mounting base 1, and a mounting bracket 706 is mounted on the outer wall of the radiator 705.

[0042] In the above structure, the radiator 705 installed on the top of the fixed base 1, and the outlet pipe 703 and inlet pipe 704 installed on the outer wall of the cooling water tank 701, under the action of the water pump 7012, the cooling water in the inner cavity of the cooling water tank 701 is drawn, so that the cooling water enters the inner cavity of the outlet pipe 703 and enters the radiator 705. Under the action of the radiator 705, the cooling water is cooled down. Then, it returns to the cooling water tank 701 through the inlet pipe 704, so that the cooling water can be completely circulated, thereby cooling the cooling water and continuously cooling the extruded pipe.

[0043] In a preferred embodiment: a support frame 707 is mounted on the top of the fixed base 1, a transmission gear 708 is rotatably connected to the inner cavity of the support frame 707, a chain 709 is rolledly connected to the outer wall of the transmission gear 708, a heat dissipation blade 7010 is rotatably connected to the inner cavity of the mounting frame 706, a driven gear 7011 is fixedly mounted on the outer wall of the heat dissipation blade 7010, and a water pump 7012 is fixedly mounted on the outer wall of the water outlet pipe 703.

[0044] In the above structure, the transmission gear 708, which is rotatably connected in the inner cavity of the support frame 707, can drive the transmission gear 708 under the action of the transmission rod 4010 when the transmission rod 4010 rotates with the impeller 408. This causes the transmission gear 708 to rotate in the inner cavity of the support frame 707, and the power of the transmission gear 708 is transmitted under the action of the chain 709. In turn, the chain 709 drives the driven gear 7011, causing the driven gear 7011 to drive the heat dissipation blades 7010 to rotate in the inner cavity of the mounting frame 706. As the heat dissipation blades 7010 rotate, they assist in heat dissipation on the outer wall of the radiator 705. Furthermore, under the action of the radiator 705 and the mounting frame 706, the cooling water is further cooled. This allows the cooling water to continuously cool the pipes in the inner cavity of the cooling water tank 701 during the circulation process.

[0045] In a preferred embodiment: the outer wall of the transmission gear 708 is connected to the outer wall of the transmission rod 4010, and the outer wall shape of the mounting bracket 706 matches the outer wall shape of the fixing cylinder 405.

[0046] In the above structure, by connecting the outer wall of the transmission rod 4010 to the transmission gear 708, when the heat transfer oil enters the inner cavity of the fixed cylinder 405, it can drive the impeller 408, thereby causing the impeller 408 to rotate within the inner cavity of the fixed cylinder 405, thus driving the transmission rod 4010. Since the transmission rod 4010 is connected to the transmission gear 708, the transmission gear 708 rotates along with the transmission rod 4010. Subsequently, the rotation of the transmission gear 708 is transmitted under the action of the chain 709, thereby driving the driven gear 7011 under the action of the chain 709. The driven gear 7011 drives the rotation of the heat dissipation blades 7010, and the heat dissipation blades 7010 provide auxiliary heat dissipation to the outer wall of the radiator 705.

[0047] In a preferred embodiment, the two ends of the outer wall of the chain 709 are respectively connected to the outer walls of the drive gear 708 and the driven gear 7011, and the chain 709 is made of stainless steel.

[0048] In the above structure, the mounting bracket 706 provided on the outer wall of the radiator 705 and the heat dissipation blades 7010 provided in the inner cavity of the mounting bracket 706 are driven by the chain 709, which drives the driven gear 7011 to drive the heat dissipation blades 7010 to rotate in the inner cavity of the mounting bracket 706. As the heat dissipation blades 7010 rotate, the air flow on the outer wall of the radiator 705 is accelerated, thereby accelerating the heat dissipation of the outer wall of the radiator 705 and better cooling the cooling water so that it can better cool the production pipeline.

[0049] In a preferred embodiment: the bottom of the support leg 702 is connected to the top of the fixed base 1, and the ends of the water inlet pipe 704 and the water outlet pipe 703 away from the cooling water tank 701 are respectively connected to the radiator 705.

[0050] In the above structure, a water pump 7012 installed on the outer wall of the outlet pipe 703 draws cooling water from the inner cavity of the cooling water tank 701. This allows the cooling water to cool the produced pipes in the inner cavity of the cooling water tank 701 before entering the inner cavity of the outlet pipe 703. The outlet pipe 703 then guides the cooling water into the radiator 705. The radiator 705 increases the contact area between the cooling water and the air, thereby lowering the temperature of the cooling water. Furthermore, the rotation of the cooling blades 7010 further enhances the cooling effect of the cooling water.

[0051] Working principle: During the production of inspection wells, the above-mentioned equipment requires the production of the well shaft portion. Plastic granules are added to the inner cavity of the feeding cylinder 5, and then released into the inner cavity of the extruder 2 through the feeding cylinder 5. Under the action of the extruder 2, the plastic granules are conveyed, extruded, heated, and melted, and released outwards from the discharge cylinder 6. During the conveying and extrusion process of the plastic granules by the extruder 2, a heating device is used to heat the inner cavity of the extruder 2, maintaining a certain temperature. The temperature generated by the extruder 2 is released outwards and transferred to the heat-conducting plate 401, causing the temperature of the heat-conducting oil in the inner cavity of the heat-conducting plate 401 to rise. Under the action of the circulating pump 407, the heat-conducting oil is drawn and circulated. After passing through the flow channel 409, the temperature of the heat-conducting oil rises, and it flows through the oil outlet pipe 402 and the fixed... The cylinder 405 and connecting pipe 406 are introduced into the heat-conducting cylinder 404, which raises the temperature of the inner cavity of the heat-conducting cylinder 404. Then, the plastic particles in the inner cavity of the feeding cylinder 5 can be preheated under the action of the heat-conducting cylinder 404. Afterwards, the heat-conducting oil in the inner cavity of the heat-conducting cylinder 404 will return to the inner cavity of the heat-conducting plate 401 through the oil inlet pipe 403, completing the circulation of the heat-conducting oil. After preheating the plastic particles, the heating time of the plastic particles by the subsequent heating equipment can be reduced. When the heat-conducting oil is pumped and circulated under the action of the circulating pump 407, the heat-conducting oil enters the inner cavity of the oil outlet pipe 402 and is released and conducted downwards, so that the heat-conducting oil enters the fixed cylinder 405, thereby driving the impeller 408 in the inner cavity of the fixed cylinder 405 to rotate in the inner cavity of the fixed cylinder 405, and then synchronously driving the rotation of the transmission rod 4010.

[0052] Since the transmission rod 4010 is connected to the transmission gear 708, the transmission gear 708 rotates under the support of the support frame 707, driving the chain 709. This causes the chain 709 to drive the driven gear 7011 to rotate. After the extruder 2 melts and extrudes the plastic granules, the produced pipes enter the inner cavity of the cooling water tank 701. The cooling water in the cooling water tank 701 cools the pipes. The water pump 7012 is then activated, drawing cooling water from the cooling water tank 701 and directing it into the outlet pipe 703. The outlet pipe 703 then guides the cooling water into the radiator 705. The water circulates within the radiator 705, cooling the water under its action. When the transmission gear 708 is driven by the transmission rod 4010, the rotation of the transmission gear 708 is transmitted through the chain 709, allowing the driven gear 7011 and the cooling blades 7010 to rotate under the transmission of the chain 709. During the rotation of the cooling blades 7010, the airflow speed on the outer wall of the radiator 705 is accelerated, so as to better dissipate heat and cool the water. The water is then circulated back into the cooling water tank 701 through the inlet pipe 704 to continuously cool the pipes, so that the pipes can be wound and formed in subsequent production.

[0053] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0054] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended technical solutions and their equivalents.

Claims

1. Production equipment for HDPE pipe spiral wound structure wall variable diameter inspection well, including a fixed base (1), characterized in that: An extruder (2) is installed on the top of the fixed base (1). A protective cover (3) is fixedly installed on the outer wall of the extruder (2). A waste heat recovery component (4) is provided on the top of the extruder (2). A feed cylinder (5) is fixedly installed on the top of the extruder (2). A cooling component (7) is provided on the top of the fixed base (1). A discharge cylinder (6) is fixedly installed on the outer wall of the extruder (2).

2. The production equipment for HDPE pipe spiral wound structure wall variable diameter inspection wells according to claim 1, characterized in that: The waste heat recovery assembly (4) includes a heat-conducting plate (401), an oil outlet pipe (402) is fixedly mounted on the outer wall of the heat-conducting plate (401), an oil inlet pipe (403) is fixedly mounted on the outer wall of the heat-conducting plate (401), a heat-conducting cylinder (404) is installed on the outer wall of the feed cylinder (5), and a fixing cylinder (405) is fixedly mounted on the outer wall of the oil outlet pipe (402).

3. The production equipment for HDPE pipe spiral wound structure wall variable diameter inspection wells according to claim 2, characterized in that: An impeller (408) is rotatably connected to the inner cavity of the fixed cylinder (405). A connecting pipe (406) is fixedly assembled on the outer wall of the fixed cylinder (405). A circulating pump (407) is installed on the outer wall of the connecting pipe (406). A flow channel (409) is opened in the inner cavity of the heat-conducting plate (401). A transmission rod (4010) is fixedly assembled on the outer wall of the impeller (408).

4. The production equipment for HDPE pipe spiral wound structure wall variable diameter inspection wells according to claim 3, characterized in that: The outer wall of the connecting pipe (406) away from the fixed cylinder (405) is connected to the outer wall of the heat-conducting cylinder (404), and the outer wall of the oil inlet pipe (403) away from the heat-conducting plate (401) is connected to the heat-conducting cylinder (404). The outer wall shape of the heat-conducting cylinder (404) matches the outer wall shape of the feeding cylinder (5).

5. The production equipment for HDPE pipe spiral wound structure wall variable diameter inspection wells according to claim 4, characterized in that: The heat-conducting plate (401) is made of copper. The oil outlet pipe (402) and the connecting pipe (406) are respectively connected to the inner cavity of the fixed cylinder (405). The transmission rod (4010) passes through the outer wall of the fixed cylinder (405) and is connected to the impeller (408). The outer diameter of the impeller (408) matches the inner diameter of the fixed cylinder (405).

6. The production equipment for HDPE pipe spiral wound structure wall variable diameter inspection wells according to claim 3, characterized in that: The cooling assembly (7) includes a cooling water tank (701), a support leg (702) is fixedly mounted on the bottom of the cooling water tank (701), an outlet pipe (703) is fixedly mounted on the outer wall of the cooling water tank (701), an inlet pipe (704) is fixedly mounted on the outer wall of the cooling water tank (701), a radiator (705) is mounted on the top of the fixed base (1), and a mounting bracket (706) is mounted on the outer wall of the radiator (705).

7. The production equipment for HDPE pipe spiral wound structure wall variable diameter inspection wells according to claim 6, characterized in that: A support frame (707) is installed on the top of the fixed base (1). A transmission gear (708) is rotatably connected to the inner cavity of the support frame (707). A chain (709) is rotatably connected to the outer wall of the transmission gear (708). A heat dissipation blade (7010) is rotatably connected to the inner cavity of the mounting frame (706). A driven gear (7011) is fixedly assembled on the outer wall of the heat dissipation blade (7010). A water pump (7012) is fixedly assembled on the outer wall of the water outlet pipe (703).

8. The production equipment for HDPE pipe spiral wound structure wall variable diameter inspection wells according to claim 7, characterized in that: The outer wall of the transmission gear (708) is connected to the outer wall of the transmission rod (4010), and the outer wall shape of the mounting bracket (706) matches the outer wall shape of the fixed cylinder (405).

9. The production equipment for HDPE pipe spiral wound structure wall variable diameter inspection wells according to claim 8, characterized in that: The two ends of the outer wall of the chain (709) are respectively connected to the outer walls of the drive gear (708) and the driven gear (7011), and the chain (709) is made of stainless steel.

10. The production equipment for HDPE pipe spiral wound structure wall variable diameter inspection wells according to claim 9, characterized in that: The bottom of the support leg (702) is connected to the top of the fixed base (1), and the ends of the water inlet pipe (704) and water outlet pipe (703) away from the cooling water tank (701) are respectively connected to the radiator (705).

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