Pipe penetrating device for outer protective pipe of prefabricated directly-buried thermal insulation pipe

Abstract

The utility model discloses a pipe penetrating device for an outer protective pipe of a prefabricated directly-buried thermal insulation pipe, and relates to the technical field of pipe penetrating of thermal insulation pipes. The pipe penetrating device for the outer protective pipe of the prefabricated directly-buried thermal insulation pipe comprises a bottom plate, a height adjusting mechanism is arranged at the upper end of the bottom plate, a supporting plate is arranged at the upper end of the bottom plate, a supporting seat and a fixing table are fixedly connected to the upper end of the supporting plate, a mounting groove is formed in the upper end of the fixing table, a containing cavity is formed in the fixing table, and the fixing table is fixedly connected with the supporting seat. A pipe penetrating device is arranged in the mounting groove and the accommodating cavity; the pipe penetrating device comprises a motor A; by arranging the pipe penetrating device, the thermal insulation pipe can be driven to move after being clamped, meanwhile, a transmission wheel at the lower end of the thermal insulation pipe can be driven to rotate through transmission when a moving plate moves, then the thermal insulation pipe can move more smoothly, and therefore it can be guaranteed that pipe penetrating is conducted smoothly; in addition, by arranging a fixing device, the protection pipe can be fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe threading for thermal insulation pipes, in particular to a pipe threading device for the outer protective pipe of a prefabricated directly buried thermal insulation pipe. Background Technique

[0002] The directly buried prefabricated thermal insulation pipe is tightly composed of a steel pipe (working pipe) for conveying medium, rigid polyurethane foam plastic (thermal insulation layer), and high-density polyethylene outer sleeve pipe (protective layer).

[0003] For example, in Chinese Patent: CN210549390U, the disclosed technical solution is as follows: A pipe threading device for the outer protective pipe of a prefabricated directly buried thermal insulation pipe is disclosed, which specifically relates to the technical field of pipe threading for thermal insulation pipes. It includes a top plate, one end of the bottom of the top plate is fixedly connected with a front bracket, the other end of the bottom of the top plate is fixedly connected with a rear bracket, an outer protective pipe is arranged at one end of the bottom of the top plate close to the front bracket, a thermal insulation pipe is sleeved inside the outer protective pipe, one end of the thermal insulation pipe located outside the outer protective pipe extends to the side of the rear bracket away from the front bracket, a positioning and propulsion mechanism is arranged outside the thermal insulation pipe, and a positioning and guiding mechanism is arranged inside the outer protective pipe.

[0004] However, in actual use, in the above patent, the longer the length of the thermal insulation pipe passing through the conveying wheel, the greater the propulsion resistance, and the transmission is carried out through the friction between the transmission wheel and the thermal insulation pipe, resulting in relatively large wear. Summary of the Utility Model

[0005] In view of the deficiencies of the prior art, the present utility model provides a pipe threading device for the outer protective pipe of a prefabricated directly buried thermal insulation pipe, which solves the problems raised in the above-mentioned background art. To achieve the above objectives, the present utility model is realized through the following technical solutions: A pipe threading device for the outer protective pipe of a prefabricated directly buried thermal insulation pipe includes a bottom plate. A height adjustment mechanism is provided at the upper end of the bottom plate. A support plate is provided at the upper end of the bottom plate. A support seat and a fixed platform are fixedly connected to the upper end of the support plate. An installation groove is opened at the upper end of the fixed platform. A receiving cavity is opened inside the fixed platform. A pipe threading device is provided inside the installation groove and the receiving cavity; The pipe threading device includes a motor A. The output end of the motor A is fixedly connected to a threaded rod. A moving plate is threadedly connected to the outer wall of the threaded rod. A top plate is fixedly connected to the top of the moving plate. A cylinder A is fixedly connected to the upper end of the top plate. A clamping plate is fixedly connected to the output end of the cylinder A. A gear A is fixedly sleeved on the outer wall of the threaded rod. A gear B is engaged with the bottom of the gear A. The inner wall of the receiving cavity is rotatably connected to a rotating rod through a bearing. The gear B is fixedly sleeved on the outer wall of the rotating rod. The inner wall of the installation groove is rotatably connected to a rotating shaft through a bearing. One end of the rotating shaft extends to the inner wall of the receiving cavity. A transmission wheel is fixedly sleeved on the outer wall of the rotating shaft. A bevel gear C is fixedly sleeved on the outer wall of the rotating rod. A bevel gear D is engaged with the side of the bevel gear C, and the bevel gear D is fixedly connected to one end of the rotating shaft located inside the receiving cavity.

[0006] Preferably, the bottom of the moving plate is slidably connected to the upper surface of the fixed platform.

[0007] Preferably, an activity port is opened at the upper end of the fixed platform. The activity port is located directly below the gear A, and the diameter of the activity port is larger than the diameter of the gear A.

[0008] Preferably, the height adjustment mechanism includes a motor B. The motor B is fixedly connected to the upper end of the bottom plate. The output end of the motor B is fixedly connected to a bidirectional lead screw. A moving block is threadedly connected to the outer wall of the bidirectional lead screw. The upper end of the moving block is hinged to a support rod through a hinge seat. The upper end of the support rod is hinged to the lower end of the support plate.

[0009] Preferably, the bottom of the moving block is slidably connected to the upper surface of the bottom plate.

[0010] Preferably, a fixing device is provided at the upper end of the support plate. The fixing device includes a cylinder B. The cylinder B is fixedly connected to the upper end of the support plate. A clamping plate is fixedly connected to the output end of the cylinder B.

[0011] The present utility model provides a pipe threading device for the outer protective pipe of a prefabricated directly buried thermal insulation pipe. It has the following beneficial effects:

[0012] (1) By providing a pipe threading device, the present application can drive the insulation pipe to move after clamping it, and at the same time, when the moving plate moves, the driving wheel at the lower end of the insulation pipe can be driven to rotate through transmission, so that the insulation pipe can move more smoothly, thereby ensuring the smooth progress of pipe threading. In addition, by providing a fixing device, the protection pipe can be fixed.

[0013] (2) By providing a height adjustment device, the present application can adjust the height of the insulation pipe and the protection pipe, avoiding the problem that it is difficult to fix the protection pipe on uneven ground and improving the applicability of the pipe threading device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the whole novel of the present utility model;

[0015] Figure 2 is a schematic sectional structural diagram of a part of the present utility model;

[0016] Figure 3 is of the present utility model Figure 1 is an enlarged schematic structural diagram at A in;

[0017] Figure 4 is of the present utility model Figure 2 is an enlarged schematic structural diagram at B in.

[0018] In the figure: 1, bottom plate; 2, support plate; 3, support seat; 4, fixed table; 5, installation groove; 6, accommodation cavity; 701, motor A; 702, threaded rod; 703, moving plate; 704, top plate; 705, cylinder A; 706, clamping plate; 707, gear A; 708, gear B; 709, rotating rod; 710, rotating shaft; 711, driving wheel; 712, bevel gear C; 713, bevel gear D; 801, motor B; 802, bidirectional lead screw; 803, moving block; 804, support rod; 901, cylinder B; 902, clamping plate; 10, movable opening. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0020] Embodiment 1

[0021] Please refer to Figures 1 - 4, a pipe threading device for the outer protective pipe of a prefabricated directly buried thermal insulation pipe, comprising a bottom plate 1. A height adjustment mechanism is arranged at the upper end of the bottom plate 1. A support plate 2 is arranged at the upper end of the bottom plate 1. A support seat 3 and a fixed platform 4 are fixedly connected to the upper end of the support plate 2. An installation groove 5 is formed at the upper end of the fixed platform 4. A receiving cavity 6 is formed inside the fixed platform 4. A pipe threading device is arranged inside the installation groove 5 and the receiving cavity 6; the pipe threading device includes a motor A701. The output end of the motor A701 is fixedly connected to a threaded rod 702. A moving plate 703 is threadedly connected to the outer wall of the threaded rod 702. A top plate 704 is fixedly connected to the top of the moving plate 703. A cylinder A705 is fixedly connected to the upper end of the top plate 704. The output end of the cylinder A705 is fixedly connected to a clamping plate 706. A gear A707 is fixedly sleeved on the outer wall of the threaded rod 702. A gear B708 is engaged with the bottom of the gear A707. The inner wall of the receiving cavity 6 is rotatably connected to a rotating rod 709 through a bearing. The gear B708 is fixedly sleeved on the outer wall of the rotating rod 709. The inner wall of the installation groove 5 is rotatably connected to a rotating shaft 710 through a bearing. One end of the rotating shaft 710 extends to the inner wall of the receiving cavity 6. A transmission wheel 711 is fixedly sleeved on the outer wall of the rotating shaft 710. A bevel gear C712 is fixedly sleeved on the outer wall of the rotating rod 709. A bevel gear D713 is engaged with the side of the bevel gear C712, and the bevel gear D713 is fixedly connected to one end of the rotating shaft 710 located inside the receiving cavity 6.

[0022] The bottom of the moving plate 703 is slidably connected to the upper surface of the fixed platform 4.

[0023] An activity port 10 is formed at the upper end of the fixed platform 4. The activity port 10 is located directly below the gear A707, and the diameter of the activity port 10 is larger than the diameter of the gear A707.

[0024] A fixing device is arranged at the upper end of the support plate 2. The fixing device includes a cylinder B901. The cylinder B901 is fixedly connected to the upper end of the support plate 2. The output end of the cylinder B901 is fixedly connected to a clamping plate 902.

[0025] In this embodiment, by setting the pipe threading device, the thermal insulation pipe can be driven to move after being clamped, and at the same time, when the moving plate 703 moves, the transmission wheel 711 at the lower end of the thermal insulation pipe can be driven to rotate through transmission, so that the movement of the thermal insulation pipe can be smoother, thereby ensuring the smooth progress of pipe threading. In addition, by setting the fixing device, the protection pipe can be fixed.

[0026] In use, first place the protection tube on the upper end of the support base 3. Then start the cylinder B901 to push the clamping plate 902 towards the protection tube until it contacts the surface thereof, thereby fixing the protection tube. Next, place the heat preservation tube on the upper end of the driving wheel 711. Then start the cylinder A705 to drive the clamping plate 706 to move downward until it contacts the upper end of the heat preservation tube, thus fixing it. Furthermore, start the motor A701 to drive the threaded rod 702 to rotate. Then the moving plate 703 threadedly connected to its outer wall will move accordingly, and then drive the top plate 704 to move. At the same time, the gear A707 rotates with the threaded rod 702, and then the meshing gear B708 will rotate accordingly, and then drive the rotating rod 709 to rotate. Then the bevel gear C712 on its outer wall will rotate accordingly, and then drive the meshing bevel gear D713 to rotate, thereby driving the rotating shaft 710 and the driving wheel 711 to rotate.

[0027] Embodiment 2

[0028] Please refer to Figures 1 - 4 , on the basis of Embodiment 1, the height adjustment mechanism includes a motor B801. The motor B801 is fixedly connected to the upper end of the bottom plate 1. The output end of the motor B801 is fixedly connected with a bidirectional lead screw 802. A moving block 803 is threadedly connected to the outer wall of the bidirectional lead screw 802. The upper end of the moving block 803 is hinged with a support rod 804 through a hinge seat. The upper end of the support rod 804 is hinged to the lower end of the support plate 2.

[0029] The bottom of the moving block 803 is slidably connected to the upper surface of the bottom plate 1

[0030] In this embodiment, by setting the height adjustment device, the heights of the heat preservation tube and the protection tube can be adjusted, avoiding the problem that it is difficult to fix the protection tube on uneven ground and improving the applicability of the pipe threading device.

[0031] In use, on the basis of Embodiment 1, when the height of the pipe threading needs to be adjusted, start the motor B801 to drive the bidirectional lead screw 802 to rotate. Then the moving blocks 803 threadedly connected to the outer walls on both sides thereof will move towards both sides or the middle. When the moving block 803 moves towards the middle, it will drive the bottom of the support rod 804 to move towards the middle, and then its top will lift the upper support plate 2 upward. On the contrary, when the moving block 803 moves towards both sides, it will drive the support plate 2 to descend.

[0032] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent replacements or changes, and should be covered within the protection scope of the present invention.

Claims

1. A pipe threading device for the outer protective pipe of a prefabricated directly buried insulating pipe, comprising a bottom plate (1), characterized in that: A height adjustment mechanism is provided at the upper end of the bottom plate (1). A support plate (2) is provided at the upper end of the bottom plate (1). A support seat (3) and a fixed table (4) are fixedly connected to the upper end of the support plate (2). An installation groove (5) is opened at the upper end of the fixed table (4). A receiving cavity (6) is opened inside the fixed table (4). A pipe-passing device is provided inside the installation groove (5) and the receiving cavity (6). The pipe-passing device includes a motor A (701). The output end of the motor A (701) is fixedly connected to a threaded rod (702). A moving plate (703) is threadedly connected to the outer wall of the threaded rod (702). A top plate (704) is fixedly connected to the top of the moving plate (703). A cylinder A (705) is fixedly connected to the upper end of the top plate (704). A clamping plate (706) is fixedly connected to the output end of the cylinder A (705). A gear A (707) is fixedly sleeved on the outer wall of the threaded rod (702). A gear B (708) is engaged with the bottom of the gear A (707). The inner wall of the receiving cavity (6) is rotatably connected to a rotating rod (709) through a bearing. The gear B (708) is fixedly sleeved on the outer wall of the rotating rod (709). The inner wall of the installation groove (5) is rotatably connected to a rotating shaft (710) through a bearing. One end of the rotating shaft (710) extends to the inner wall of the receiving cavity (6). A transmission wheel (711) is fixedly sleeved on the outer wall of the rotating shaft (710). A bevel gear C (712) is fixedly sleeved on the outer wall of the rotating rod (709). A bevel gear D (713) is engaged with the side of the bevel gear C (712), and the bevel gear D (713) is fixedly connected to one end of the rotating shaft (710) located inside the receiving cavity (6).

2. The pipe threading device for the outer protective pipe of the prefabricated directly buried insulating pipe according to claim 1, characterized in that: The bottom of the moving plate (703) is slidably connected to the upper surface of the fixed table (4).

3. The pipe threading device for the outer protection pipe of the prefabricated directly buried thermal insulation pipe according to claim 2, characterized in that: An activity opening (10) is opened at the upper end of the fixed table (4). The activity opening (10) is located directly below the gear A (707), and the diameter of the activity opening (10) is larger than the diameter of the gear A (707).

4. A pipe threading device for the outer protective pipe of a prefabricated directly buried thermal insulation pipe according to claim 3, characterized in that: The height adjustment mechanism includes a motor B (801). The motor B (801) is fixedly connected to the upper end of the bottom plate (1). The output end of the motor B (801) is fixedly connected to a bidirectional lead screw (802). A moving block (803) is threadedly connected to the outer wall of the bidirectional lead screw (802). The upper end of the moving block (803) is hinged to a support rod (804) through a hinge seat. The upper end of the support rod (804) is hinged to the lower end of the support plate (2).

5. A pipe threading device for the outer protective pipe of a prefabricated directly buried insulating pipe according to claim 4, characterized in that: The bottom of the moving block (803) is slidably connected to the upper surface of the bottom plate (1).

6. The pipe threading device for the outer protective pipe of a prefabricated directly buried thermal insulation pipe according to claim 5, wherein: A fixing device is provided at the upper end of the support plate (2). The fixing device includes a cylinder B (901). The cylinder B (901) is fixedly connected to the upper end of the support plate (2). A clamping plate (902) is fixedly connected to the output end of the cylinder B (901).

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