Pipeline bending device for installation of heating and ventilation electromechanical equipment

By designing a pipeline bending device including a power mechanism and an auxiliary wheel, the problem of lack of labor-saving mechanism of the pipeline bending device in the prior art is solved, and the effect of providing auxiliary thrust during the bending process is achieved, reducing operational labor and improving practicality is achieved. .

CN222447823UActive Publication Date: 2025-02-11GANSU FOURTH CONSTR GRP CO LTD
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Patent Information

Application Number
CN202421109200.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-21
Publication Date
2025-02-11
Estimated Expiration
2034-05-21

AI Technical Summary

Technical Problem

When existing pipeline bending devices bending multiple pipelines simultaneously, they lack labor-saving mechanisms to assist in bending, resulting in more labor-intensive devices during bending.

Method used

A pipe bending device for installation of HVAC electromechanical equipment is designed, including a tabletop, a first support frame, a first groove block, a pipe body, a rotating frame, a rotating shaft, a fixed wheel, a bending wheel, a connecting frame and a power mechanism. The rotating frame rotates 90° through the power mechanism, drives the bending wheel to bending the pipe 90°, and applies thrust to one end of the pipe through the auxiliary wheel to assist bending.

Benefits of technology

It realizes the provision of auxiliary thrust during the pipe bending process, reduces operating effort, avoids the rebound of the pipe after bent, and conveniently removes the bent pipe from the device, improving practicality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the related technical field of pipeline machining, in particular to a pipeline bending device for installation of heating and ventilation type electromechanical equipment. A first supporting frame is fixedly connected to one side of the top of the table top, a first groove block is fixedly connected to the top of the first supporting frame, a pipeline body is arranged in the first groove block, a rotating frame is arranged at the bottom of the end, away from the first groove block, of the pipeline body, and a first rotating shaft is rotationally connected to one side of the top of the rotating frame. Under the cooperative action of the first supporting frame, the first groove block, the pipeline body, the rotating frame, the first rotating shaft, the fixed wheel, the second rotating shaft, the bending wheel, the connecting frame and the power mechanism, certain thrust can be applied to the bent end of the pipeline body while the pipeline body is bent through the device, and therefore bending of the pipeline body is assisted; the purpose of saving labor can be achieved, and the bent pipeline body can be prevented from rebounding.
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Description

Technical Field

[0001] The utility model relates to the technical field related to pipeline processing, in particular to a pipeline bending device for installing HVAC electromechanical equipment. Background Art

[0002] HVAC is an integral part of a building. It includes heating, ventilation and air conditioning. It is also a major for training senior engineering and technical personnel and management personnel who work in the fields of building environment control, building energy conservation and building facility intelligent technology, and have the ability to design, construct, debug, operate and manage public facility systems such as air conditioning, heating, ventilation, building water supply and drainage, gas supply, building heat supply systems and building energy conservation, and the ability to formulate building automation system solutions. HVAC motor equipment requires the use of metal pipes during installation, and the metal pipes need to be processed and bent.

[0003] The utility model patent with announcement number CN213195152U discloses a pipe bending device, which belongs to the technical field related to pipe bending equipment, and aims to solve the problems in the prior art that the pipe bending devices are all single-pipe bending forming devices, the pipe bending devices are complex, the bending efficiency is low, and the cost is high. The utility model patent includes: a fixed part; a movable part, including a pressing part and a bending part connected to the pressing part, a step surface is formed between the pressing part and the bending part, and one of the pressing part and the fixed part is suitable for moving in a direction close to or away from the other; a rotating part, including a rotating part, a pipe passing gap is defined between the rotating part, the bending part and the step surface, the pipe passing gap is used to pass the pipe, and the rotating part is suitable for rotating around the axial direction of the bending part so that the pipe is bent. The pipe bending device can adjust the distance between the pressing part and the fixing part by controlling one of the pressing part and the fixing part to move closer to or farther away from the other, thereby adjusting the size of the pipe insertion gap, and further controlling the number of pipes inserted into the pipe insertion gap, thereby achieving the ability to complete the bending of multiple pipes at one time, improving the bending efficiency, and reducing the cost of the pipe bending process.

[0004] However, the above patent still has shortcomings: although the patent can bend multiple pipes at the same time, it does not have a labor-saving mechanism to assist in bending the pipes, which makes the device more laborious when bending the pipes. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a pipe bending device for the installation of HVAC electromechanical equipment to solve the problem that the existing pipe bending device proposed in the above background technology can bend multiple pipes at the same time, but it does not have a labor-saving mechanism to assist in bending the pipes, which makes the device more laborious when bending the pipes.

[0006] The technical solution of the utility model is:

[0007] The cam is an assembly made of a plurality of independently controlled wheels, the plurality of independently controlled wheels having a first end connected to the wheel base and a second end connected to the wheel base, wherein the plurality of independently controlled wheels have independently controlled wheels.

[0008] Preferably, the telescopic mechanism includes: a gear is provided at the bottom of the fixed wheel, the gear is fixed to the outer surface of the first rotating shaft, a rack is meshed on one side of the gear, and a first hydraulic cylinder is provided at one end of the rack; the telescopic end of the first hydraulic cylinder is fixedly connected to the rack, the bottom of the first hydraulic cylinder is fixedly connected to a fixed frame, and the bottom of the fixed frame is fixedly connected to the table top.

[0009] Preferably, a limiting guide rail is sleeved on the outer side of the rack, a second support frame is fixedly connected to a side of the limiting guide rail away from the gear, and a bottom of the second support frame is fixedly connected to the desktop.

[0010] Preferably, the power mechanism includes: a third rotating shaft is fixedly connected to one side of the bottom of the rotating frame, the bottom of the third rotating shaft is rotatably connected to the desktop, the rotating frame is fixedly connected to a turnover rod on one side away from the third rotating shaft, the bottom of the turnover rod is fixedly connected to a first fixed block on one side, and the bottom of the first fixed block is fixedly connected to a fourth rotating shaft; the outer surface of the fourth rotating shaft is rotatably connected to a rotating sleeve, a second hydraulic cylinder is provided on one side of the rotating sleeve, the telescopic end of the second hydraulic cylinder is fixedly connected to the rotating sleeve, the end of the second hydraulic cylinder away from the rotating sleeve is fixedly connected to the second fixed block, the inside of the second fixed block is rotatably connected to the fifth rotating shaft, and the top of the fifth rotating shaft is fixedly connected to the desktop; the outer surface of the fourth rotating shaft located at the top of the desktop is provided with a bending linkage mechanism for an auxiliary pipe body.

[0011] Preferably, the linkage mechanism includes: the fourth rotating shaft is fixedly connected to a connecting rod on one side of the outer surface at the top of the desktop; the top of the connecting rod is rotatably connected to a sixth rotating shaft, and the top of the sixth rotating shaft is fixedly connected to an auxiliary wheel.

[0012] Preferably, the desktop is provided with a matching arc-shaped limiting groove near the fourth rotating shaft.

[0013] Preferably, a third support frame is provided on the side of the pipe body away from the second support frame, the bottom of the third support frame is fixedly connected to the table top, the third support frame is fixedly connected to a second slot block near the pipe body, and the second slot block is adapted to the pipe body.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] Firstly, the utility model can apply a certain thrust to one end of the pipe body when the device bends the pipe body through the cooperation of the first support frame, the first slot block, the pipe body, the rotating frame, the first rotating shaft, the fixed wheel, the second rotating shaft, the bending wheel, the connecting frame and the power mechanism, thereby assisting the pipe body in bending, which can not only achieve the purpose of saving labor, but also avoid the rebound of the pipe body after bending.

[0016] Secondly, the utility model facilitates the user to take out the bent pipe body from the inside of the device through the cooperation of the first support frame, the first slot block, the pipe body, the rotating frame, the first rotating shaft, the fixed wheel, the second rotating shaft, the bending wheel, the connecting frame and the telescopic mechanism, thereby avoiding the bent pipe body from being stuck inside the device and improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of a pipe bending device for installing HVAC electromechanical equipment of the utility model;

[0018] Figure 2 It is a schematic diagram of the linkage mechanism structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the power mechanism structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the telescopic mechanism structure of the utility model;

[0021] Figure 5 This is a schematic diagram of the connection structure between the rotating frame and the connecting frame of the utility model;

[0022] Figure 6 It is a schematic diagram of the connection structure between the third support rod and the second slot block of the utility model.

[0023] In the figure:

[0024] 1. desktop; 2. first support frame; 3. first slot block; 4. pipeline body; 5. rotating frame; 6. first rotating shaft; 7. fixed wheel; 8. second rotating shaft; 9. bending wheel; 10. telescopic mechanism; 11. power mechanism; 12. gear; 13. rack; 14. first hydraulic cylinder; 15. fixed frame; 16. limit guide rail; 17. second support frame; 18. third rotating shaft; 19. revolving rod; 20. first fixed block; 21. fourth rotating shaft; 22. rotating sleeve; 23. second hydraulic cylinder; 24. second fixed block; 25. fifth rotating shaft; 26. linkage mechanism; 27. connecting rod; 28. sixth rotating shaft; 29. ​​auxiliary wheel; 30. arc limit groove; 31. third support frame; 32. second slot block; 33. connecting frame. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figures 1 to 6 The utility model describes the above technical solution in detail through the following embodiments:

[0027] A pipe bending device for installing HVAC electromechanical equipment comprises: a desktop 1; a first support frame 2 is fixedly connected to one side of the top of the desktop 1, a first slot block 3 is fixedly connected to the top of the first support frame 2, a pipe body 4 is arranged inside the first slot block 3, a rotating frame 5 is arranged at the bottom of the end of the pipe body 4 away from the first slot block 3, a first rotating shaft 6 is rotatably connected to one side of the top of the rotating frame 5, a fixed wheel 7 is fixedly connected to the top of the first rotating shaft 6, a second rotating shaft 8 is rotatably connected to the side of the rotating frame 5 away from the first rotating shaft 6, a bending wheel 9 is fixedly connected to the top of the second rotating shaft 8, and the rotating frame 5 is rotated to connect the second rotating shaft 8. A connecting frame 33 is rotatably connected to one side close to the fixed wheel 7, and the bottom of the connecting frame 33 is fixedly connected to the desktop 1; a telescopic mechanism 10 is provided at the bottom of the bending wheel 9 for convenient withdrawal of the pipe body 4 after bending; a power mechanism 11 is provided at the bottom of the rotating frame 5 for assisting in bending the pipe body 4, and the user controls the rotating frame 5 to rotate 90° inside the connecting frame 33 through the power mechanism 11. While the rotating frame 5 rotates, it drives the bending wheel 9 through the second rotating shaft 8, so that the bending wheel 9 rotates with the fixed wheel 7 as the center, thereby achieving the purpose of bending the pipe body 4 by 90°.

[0028] like Figure 4As shown, the telescopic mechanism 10 includes: a gear 12 is provided at the bottom of the fixed wheel 7, the gear 12 is fixed to the outer surface of the first rotating shaft 6, a rack 13 is meshed on one side of the gear 12, and a first hydraulic cylinder 14 is provided at one end of the rack 13; the telescopic end of the first hydraulic cylinder 14 is fixedly connected to the rack 13, the bottom of the first hydraulic cylinder 14 is fixedly connected to the fixed frame 15, and the bottom of the fixed frame 15 is fixedly connected to the desktop 1, and the first hydraulic cylinder 14 is started. The telescopic end of the first hydraulic cylinder 14 extends outward to push the rack 13, and the rack 13 drives the gear 12 to rotate. The gear 12 rotates while driving the first rotating shaft 6, so that the first rotating shaft 6 rotates inside the rotating frame 5. The first rotating shaft 6 rotates while driving the fixed wheel 7, so that the fixed wheel 7 rotates 180°, and the user can take the pipe body 4 out of the notch of the fixed wheel 7, which is convenient for the user to take the bent pipe body 4 out of the inside of the device, avoids the bent pipe body 4 from being stuck inside the device, and improves practicality.

[0029] like Figure 4 As shown, a limiting guide rail 16 is sleeved on the outer side of the rack 13, and a second support frame 17 is fixedly connected to the side of the limiting guide rail 16 away from the gear 12. The bottom of the second support frame 17 is fixedly connected to the desktop 1, which can limit the rack 13 so that the rack 13 always remains in a state of meshing with the gear 12.

[0030] like Figure 2 and Figure 3 As shown, the power mechanism 11 includes: a third rotating shaft 18 is fixedly connected to one side of the bottom of the rotating frame 5, the bottom of the third rotating shaft 18 is rotatably connected to the desktop 1, a revolving rod 19 is fixedly connected to one side of the rotating frame 5 away from the third rotating shaft 18, a first fixed block 20 is fixedly connected to one side of the bottom of the revolving rod 19, and a fourth rotating shaft 21 is fixedly connected to the bottom of the first fixed block 20; the outer surface of the fourth rotating shaft 21 is rotatably connected to a rotating sleeve 22, a second hydraulic cylinder 23 is provided on one side of the rotating sleeve 22, the telescopic end of the second hydraulic cylinder 23 is fixedly connected to the rotating sleeve 22, the end of the second hydraulic cylinder 23 away from the rotating sleeve 22 is fixedly connected to the second fixed block 24, and the internal rotation of the second fixed block 24 The fourth rotating shaft 21 is located at the top of the desktop 1 and is provided with a fifth rotating shaft 25, the top of the fifth rotating shaft 25 is fixedly connected to the desktop 1; the outer surface of the fourth rotating shaft 21 at the top of the desktop 1 is provided with a linkage mechanism 26 for assisting the pipe body 4 to bend, and the second hydraulic cylinder 23 is started. The telescopic end of the second hydraulic cylinder 23 extends outward and pushes the rotating sleeve 22 through the cooperation of the second fixed block 24 and the fifth rotating shaft 25, and the rotating sleeve 22 drives the fourth rotating shaft 21, and the fourth rotating shaft 21 drives the first fixed block 20, and the first fixed block 20 drives the turnover rod 19, and the turnover rod 19 drives the rotating frame 5. The rotating frame 5 rotates with the third rotating shaft 18 as the center, and then drives the bending wheel 9 to bend the pipe body 4 through the second rotating shaft 8.

[0031] like Figure 2 As shown, the linkage mechanism 26 includes: a fourth rotating shaft 21 is fixedly connected to a connecting rod 27 on one side of the outer surface at the top of the desktop 1; the top of the connecting rod 27 is rotatably connected to a sixth rotating shaft 28, and the top of the sixth rotating shaft 28 is fixedly connected to an auxiliary wheel 29. The revolving rod 19 drives the connecting rod 27 while revolving around the third rotating shaft 18 as the center of the circle. The connecting rod 27 drives the auxiliary wheel 29 through the sixth rotating shaft 28, so that the auxiliary wheel 29 pushes the bent end of the pipe body 4, and a certain thrust can be applied to the bent end of the pipe body 4 while the pipe body 4 is bent, thereby assisting the pipe body 4 in bending, which can not only achieve the purpose of saving effort, but also avoid the rebound of the pipe body 4 after bending.

[0032] like Figure 1 As shown, the desktop 1 is provided with a matching arc-shaped limiting groove 30 near the fourth rotating shaft 21 , which can provide a suitable moving stroke for the turnover rod 19 .

[0033] like Figure 1 and Figure 6 As shown, a third support frame 31 is provided on the side of the pipe body 4 away from the second support frame 17, the bottom of the third support frame 31 is fixedly connected to the desktop 1, and a second groove block 32 is fixedly connected to the third support frame 31 near the pipe body 4. The second groove block 32 is adapted to the pipe body 4 and can cooperate with the first groove block 3 to limit the pipe body 4 to avoid displacement of the pipe body 4 during the bending process.

[0034] Working principle: start the second hydraulic cylinder 23, the telescopic end of the second hydraulic cylinder 23 extends outward and pushes the rotating sleeve 22 through the cooperation of the second fixed block 24 and the fifth rotating shaft 25, the rotating sleeve 22 drives the fourth rotating shaft 21, the fourth rotating shaft 21 drives the first fixed block 20, the first fixed block 20 drives the turnover rod 19, the turnover rod 19 drives the rotating frame 5, the rotating frame 5 rotates with the third rotating shaft 18 as the center, and then drives the bending wheel 9 to bend the pipe body 4 through the second rotating shaft 8, the turnover rod 19 rotates with the third rotating shaft 18 as the center and drives the connecting rod 27, the connecting rod 27 drives the auxiliary wheel 29 through the sixth rotating shaft 28, so that the auxiliary wheel 29 pushes the bent end of the pipe body 4, and can apply a certain thrust to the bent end of the pipe body 4 while the pipe body 4 is bent, thereby assisting the pipe body 4 to bend, which can not only achieve the purpose of saving effort, but also avoid the rebound of the pipe body 4 after bending.

[0035] Start the first hydraulic cylinder 14, the telescopic end of the first hydraulic cylinder 14 extends outward to push the rack 13, the rack 13 drives the gear 12 to rotate, the gear 12 rotates while driving the first rotating shaft 6, so that the first rotating shaft 6 rotates inside the rotating frame 5, the first rotating shaft 6 rotates while driving the fixed wheel 7, so that the fixed wheel 7 rotates 180°, the user can take out the pipe body 4 from the notch of the fixed wheel 7, which is convenient for the user to take out the bent pipe body 4 from the inside of the device, avoids the bent pipe body 4 from being stuck inside the device, and improves practicality.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A pipe bending device for installing HVAC electromechanical equipment, comprising: Desktop (1); The desktop (1) is characterized in that a first support frame (2) is fixedly connected to one side of the top of the desktop (1), a first slot block (3) is fixedly connected to the top of the first support frame (2), a pipe body (4) is arranged inside the first slot block (3), a rotating frame (5) is arranged at the bottom of the end of the pipe body (4) away from the first slot block (3), a first rotating shaft (6) is rotatably connected to one side of the top of the rotating frame (5), a fixed wheel (7) is fixedly connected to the top of the first rotating shaft (6), a side of the rotating frame (5) away from the first rotating shaft (6) is rotatably connected to a second rotating shaft (8), a bending wheel (9) is fixedly connected to the top of the second rotating shaft (8), a connecting frame (33) is rotatably connected to the side of the rotating frame (5) close to the fixed wheel (7), and the bottom of the connecting frame (33) is fixedly connected to the desktop (1); A telescopic mechanism (10) is provided at the bottom of the bending wheel (9) for facilitating the withdrawal of the pipe body (4) after bending; The bottom of the rotating frame (5) is provided with a power mechanism (11) for assisting in bending the pipeline body (4).

2. A pipe bending device for installation of HVAC electromechanical equipment according to claim 1, characterized in that: The telescopic mechanism (10) comprises: A gear (12) is provided at the bottom of the fixed wheel (7), the gear (12) is fixed to the outer surface of the first rotating shaft (6), a rack (13) is meshed on one side of the gear (12), and a first hydraulic cylinder (14) is provided at one end of the rack (13); The telescopic end of the first hydraulic cylinder (14) is fixedly connected to the rack (13); the bottom of the first hydraulic cylinder (14) is fixedly connected to a fixing frame (15); and the bottom of the fixing frame (15) is fixedly connected to the tabletop (1).

3. A pipe bending device for installation of HVAC electromechanical equipment according to claim 2, characterized in that: A limiting guide rail (16) is sleeved on the outer side of the rack (13); a second support frame (17) is fixedly connected to the side of the limiting guide rail (16) away from the gear (12); and the bottom of the second support frame (17) is fixedly connected to the table top (1).

4. A pipe bending device for installation of HVAC electromechanical equipment according to claim 1, characterized in that: The power mechanism (11) comprises: A third rotating shaft (18) is fixedly connected to one side of the bottom of the rotating frame (5); the bottom of the third rotating shaft (18) is rotatably connected to the table top (1); a side of the rotating frame (5) away from the third rotating shaft (18) is fixedly connected to a revolving rod (19); a first fixed block (20) is fixedly connected to one side of the bottom of the revolving rod (19); and a fourth rotating shaft (21) is fixedly connected to the bottom of the first fixed block (20); The outer surface of the fourth rotating shaft (21) is rotatably connected to a rotating sleeve (22); a second hydraulic cylinder (23) is provided on one side of the rotating sleeve (22); a telescopic end of the second hydraulic cylinder (23) is fixedly connected to the rotating sleeve (22); an end of the second hydraulic cylinder (23) away from the rotating sleeve (22) is fixedly connected to a second fixed block (24); a fifth rotating shaft (25) is rotatably connected inside the second fixed block (24); and a top of the fifth rotating shaft (25) is fixedly connected to the table top (1); The outer surface of the fourth rotating shaft (21) located at the top of the table top (1) is provided with a linkage mechanism (26) for assisting the pipe body (4) in bending.

5. A pipe bending device for installation of HVAC electromechanical equipment as claimed in claim 4, characterized in that: The linkage mechanism (26) comprises: The fourth rotating shaft (21) is located at one side of the outer surface of the top of the table top (1) and is fixedly connected to a connecting rod (27); The top of the connecting rod (27) is rotatably connected to a sixth rotating shaft (28), and the top of the sixth rotating shaft (28) is fixedly connected to an auxiliary wheel (29).

6. A pipe bending device for installation of HVAC electromechanical equipment as claimed in claim 4, characterized in that: The table top (1) is provided with a matching arc-shaped limiting groove (30) near the fourth rotating shaft (21).

7. A pipe bending device for installation of HVAC electromechanical equipment as claimed in claim 3, characterized in that: A third support frame (31) is arranged on a side of the pipe body (4) away from the second support frame (17); the bottom of the third support frame (31) is fixedly connected to the table top (1); a second slot block (32) is fixedly connected to the third support frame (31) near the pipe body (4); the second slot block (32) is adapted to the pipe body (4).

Citation Information

Patent Citations

  • Pipeline bending device

    CN213195152U