A cable protection tube port expanding device

Abstract

The utility model discloses a kind of cable protection pipe port diameter expansion device, it is related to cable protection pipe processing technical field, including driving rod and adjusting diameter expansion assembly, the outside installation of driving rod middle part is limit stop, for the adjusting diameter expansion assembly of different size cable protection pipe diameter expansion is set in the end of driving rod, and adjusting diameter expansion assembly includes inner heating diameter expansion head, middle diameter expansion head, outer diameter expansion head, control rod, connecting plate and hydraulic rod, the outside of inner heating diameter expansion head is provided with middle diameter expansion head, and the outside of middle diameter expansion head is provided with outer diameter expansion head, the end of outer diameter expansion head is installed with control rod, and the end of control rod is connected with connecting plate, the surface of connecting plate is connected with hydraulic rod.This kind of cable protection pipe port diameter expansion device is connected by inner heating diameter expansion head, middle diameter expansion head and outer diameter expansion head in turn, so that device can carry out diameter expansion treatment to three different sizes of cable protection pipe port.

Description

Technical Field

[0001] This utility model relates to the field of cable protection pipe processing technology, specifically a cable protection pipe port diameter expansion device. Background Technology

[0002] In power cable laying projects, protective conduits are typically installed around the power cables for protection. Given the often considerable length of power cables, and limitations imposed by manufacturing processes, transportation conditions, and on-site installation convenience, the standard length of the protective conduits is relatively limited. Therefore, in engineering practice, multiple protective conduits are needed to meet the requirements of long-distance cable laying. To ensure good sealing and mechanical stability in the connection between multiple protective conduits, one end is flared during the manufacturing process. During actual construction, workers can precisely insert the non-flared end of one protective conduit into the flared end of another, thus forming a reliable connection structure.

[0003] For example, the utility model application with application number 202420130321.2 relates to an end flaring device for cable protection pipe production. This application has a simple structure and good flaring effect. By setting the flaring component on the rotating sleeve, the flaring component adopts an internal support opening method, which can be well inserted into the inside of the cable protection pipe. After being opened, the flaring block is rotated by the rotating sleeve, which can make the cable protection pipe end round, resulting in good product quality and high efficiency. However, the existing cable protection pipe end flaring device can usually only flare the end of a single size of cable protection pipe, and the flaring range is small. Utility Model Content

[0004] The purpose of this invention is to provide a cable protection pipe port diameter expansion device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a cable protection pipe port diameter expansion device, comprising a drive rod and an adjusting expansion assembly. A limit plate is installed on the outside of the middle part of the drive rod. The adjusting expansion assembly for expanding the diameter of cable protection pipes of different sizes is disposed at the end of the drive rod. The adjusting expansion assembly includes an inner heating expansion head, a middle expansion head, an outer expansion head, a control rod, a connecting plate, and a hydraulic rod. The middle expansion head is disposed outside the inner heating expansion head, and the outer expansion head is disposed outside the middle expansion head. A control rod is installed at the end of the outer expansion head, and the end of the control rod is connected to the connecting plate. A hydraulic rod is connected to the surface of the connecting plate.

[0006] Furthermore, the number of control rods and connecting plates is set in two sets, and the shape of the connecting plates is semi-circular.

[0007] Furthermore, a rotating disk is mounted on the left end of the drive rod, and a support frame is mounted on the outside of the rotating disk via a motor.

[0008] Furthermore, the support frame is L-shaped, and a reinforcing block is installed on the inner side of the support frame.

[0009] Furthermore, a cooling fan is installed on the surface of the support frame, and an air inlet is provided on the side of the cooling fan.

[0010] Furthermore, a crossbar is mounted on the top of the drive rod, and an auxiliary component for diameter expansion forming is mounted on the inner side of the end of the crossbar.

[0011] Furthermore, the auxiliary component includes a forward and reverse threaded screw and a movable plate, and the movable plate is mounted on the outside of the forward and reverse threaded screw.

[0012] Furthermore, the auxiliary component also includes an auxiliary plate and a metal sheet, with the lower end of the movable plate connected to the auxiliary plate, and the inner surface of the auxiliary plate being fitted with a metal sheet.

[0013] This utility model provides a cable protection pipe end diameter expansion device, which has the following beneficial effects: 1. This utility model uses an internal heating expansion head, a middle expansion head, and an outer expansion head connected in sequence to enable the device to expand the diameter of three different sizes of cable protection pipe ports. Two sets of control rods control the movement of the middle expansion head and the outer expansion head respectively. The connecting plate is used to connect the ends of the control rods so that they can be controlled to extend and retract by two hydraulic rods respectively, thus completing the adjustment of the middle expansion head and the outer expansion head to adapt to different sized ports.

[0014] 2. This utility model uses a rotating disk driven by a motor to rotate the drive rod, limit plate, and adjusting expansion assembly to complete the expansion of the cable protection pipe port. The cooling fan cools and shapes the expanded port, increasing the forming rate of the port. The crossbar provides installation space for the auxiliary components. The positive and negative threaded rods are driven by a motor to rotate under the transmission of the belt. The two moving plates move with the rotation of the positive and negative threaded rods, driving the auxiliary plate to move. The auxiliary plate moves to the outside of the protection port to assist in the forming of the port. The metal sheet increases the cooling and forming speed of the port. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of a cable protection pipe port diameter expansion device according to the present invention; Figure 2 This is a schematic diagram of the adjusting expansion component structure of a cable protection pipe port expansion device according to the present invention; Figure 3 This is a schematic diagram of the auxiliary component structure of a cable protection pipe port diameter expansion device according to the present invention.

[0016] In the diagram: 1. Drive rod; 2. Limiting plate; 3. Adjustable expansion assembly; 301. Internal heating expansion head; 302. Middle expansion head; 303. External expansion head; 304. Control rod; 305. Connecting plate; 306. Hydraulic rod; 4. Rotary disc; 5. Support frame; 6. Reinforcing block; 7. Cooling fan; 8. Air inlet; 9. Crossbar; 10. Auxiliary assembly; 1001. Positive and negative threaded rod; 1002. Moving plate; 1003. Auxiliary plate; 1004. Metal sheet. Detailed Implementation

[0017] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0018] like Figure 1 As shown, a cable protection pipe port diameter expansion device includes a drive rod 1 and an adjusting expansion component 3. A limiting plate 2 is installed on the outside of the middle part of the drive rod 1, and a rotating disk 4 is installed on the left end of the drive rod 1. The rotating disk 4 is driven by a motor to rotate the drive rod 1, the limiting plate 2, and the adjusting expansion component 3 as a whole to complete the cable protection pipe port diameter expansion process. A support frame 5 is installed on the outside of the rotating disk 4 through a motor. The support frame 5 is L-shaped, and a reinforcing block 6 is installed on the inner side of the support frame 5. A cooling fan 7 is installed on the surface of the support frame 5. The cooling fan 7 plays a role in cooling and shaping the port after diameter expansion, increasing the forming rate of the port after diameter expansion, and an air inlet 8 is provided on the side of the cooling fan 7.

[0019] like Figure 2 As shown, the adjusting expansion assembly 3 for expanding the diameter of cable protection pipes of different sizes is disposed at the end of the drive rod 1. The adjusting expansion assembly 3 includes an inner heating expansion head 301, a middle expansion head 302, an outer expansion head 303, a control rod 304, a connecting plate 305, and a hydraulic rod 306. The middle expansion head 302 is disposed outside the inner heating expansion head 301. The inner heating expansion head 301, the middle expansion head 302, and the outer expansion head 303 are sequentially connected, so that the device can expand the diameter of the cable protection pipe ports of three different sizes. The outer expansion head 303 is disposed outside the middle expansion head 302. 3. A control rod 304 is installed at the end of the outer diameter expansion head 303. Two sets of control rods 304 control the movement of the middle diameter expansion head 302 and the outer diameter expansion head 303 respectively. A connecting plate 305 is connected to the end of the control rod 304. Two sets of control rods 304 and connecting plates 305 are provided. The shape of the connecting plate 305 is semi-circular. The connecting plate 305 is used to connect the end of the control rod 304 so that it can be controlled to extend and retract by two hydraulic rods 306 respectively, so as to complete the adjustment of the middle diameter expansion head 302 and the outer diameter expansion head 303 to adapt to different size ports. The surface of the connecting plate 305 is connected to the hydraulic rods 306.

[0020] like Figure 3As shown, a crossbar 9 is installed on the top of the drive rod 1. The crossbar 9 provides installation space for the auxiliary component 10. An auxiliary component 10 for diameter expansion forming is installed on the inner side of the end of the crossbar 9. The auxiliary component 10 includes a positive and negative threaded rod 1001 and a moving plate 1002. The moving plate 1002 is installed on the outside of the positive and negative threaded rod 1001. The positive and negative threaded rod 1001 is driven to rotate by a motor under the transmission of a belt. The auxiliary component 10 also includes an auxiliary plate 1003 and a metal sheet 1004. The lower end of the moving plate 1002 is connected to the auxiliary plate 1003. The two moving plates 1002 move the auxiliary plate 1003 as the positive and negative threaded rod 1001 rotates. The auxiliary plate 1003 moves to the outside of the protection port to assist in the forming of the port. The metal sheet 1004 is installed on the inner surface of the auxiliary plate 1003. The metal sheet 1004 increases the cooling forming speed of the port.

[0021] In summary, this cable protection pipe port diameter expansion device is first based on... Figures 1-3 The structure shown dictates that, based on the size of the cable protection pipe, a suitable expansion head is selected. When the internal heating expansion head 301 is selected, the two sets of hydraulic rods 306 retract, causing the two sets of connecting plates 305 and control rods 304 to move sequentially towards the rotating disk 4. This separates the middle expansion head 302, the outer expansion head 303, and the internal heating expansion head 301, fully exposing the internal heating expansion head 301 for the cable protection pipe port expansion operation. During expansion, the port of the protection end is fitted around the internal heating expansion head 301. The internal heating expansion head 301 heats up through its internal heating wire. As the internal heating expansion head 301 rotates with the drive rod 1 and the rotating disk 4, it fixes the cable protection pipe, preventing it from rotating with the internal heating expansion head 301. After heating, the port softens, causing it to expand along the outer surface of the internal heating expansion head 301. After expansion is complete... Turning on the cooling fan 7 cools and shapes the expanded port, increasing the forming rate of the expanded port. The positive and negative threaded rods 1001 rotate under the drive of the motor via the belt, causing the two moving plates 1002 to move along with the rotation of the positive and negative threaded rods 1001, moving the auxiliary plate 1003 to the outside of the port. Then, the cable protection tube and auxiliary plate 1003 are attached to the outer surface of the protected port. At this time, the cable protection tube rotates with the rotation of the inner heating expansion head 301. The auxiliary plate 1003 and metal sheet 1004 fully contact the outside of the port. The metal sheet 1004 increases the cooling and forming speed of the port. During use, when the expansion head 302 and outer expansion head 303 expand the diameter of the cable protection tube port, the heat from the inner heating expansion head 301 is transferred to the outside of the inner expansion head 302 and outer expansion head 303. The above expansion process can be repeated.

[0022] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A cable protection pipe port diameter expansion device, comprising a drive rod (1) and an adjusting expansion assembly (3), characterized in that, A limiting plate (2) is installed on the outside of the middle part of the drive rod (1). The adjusting expansion assembly (3) for expanding the diameter of cable protection pipes of different sizes is set at the end of the drive rod (1). The adjusting expansion assembly (3) includes an inner heating expansion head (301), a middle expansion head (302), an outer expansion head (303), a control rod (304), a connecting plate (305), and a hydraulic rod (306). The middle expansion head (302) is provided on the outside of the inner heating expansion head (301), and the outer expansion head (303) is provided on the outside of the middle expansion head (302). The control rod (304) is installed at the end of the outer expansion head (303), and the connecting plate (305) is connected to the end of the control rod (304). The hydraulic rod (306) is connected to the surface of the connecting plate (305).

2. The cable protection pipe port diameter expansion device according to claim 1, characterized in that, The number of control rods (304) and connecting plates (305) is provided in two sets, and the shape of the connecting plates (305) is semi-circular.

3. The cable protection pipe port diameter expansion device according to claim 1, characterized in that, A rotating disk (4) is installed on the left end of the drive rod (1), and a support frame (5) is installed on the outside of the rotating disk (4) via a motor.

4. The cable protection pipe port diameter expansion device according to claim 3, characterized in that, The support frame (5) is L-shaped, and a reinforcing block (6) is installed on the inner side of the support frame (5).

5. A cable protection pipe port diameter expansion device according to claim 3, characterized in that, The support frame (5) is equipped with a cooling fan (7), and the cooling fan (7) has an air inlet (8) on its side.

6. The cable protection pipe port diameter expansion device according to claim 1, characterized in that, A crossbar (9) is mounted on the top of the drive rod (1), and an auxiliary component (10) for auxiliary diameter expansion forming is mounted on the inner side of the end of the crossbar (9).

7. A cable protection pipe port diameter expansion device according to claim 6, characterized in that, The auxiliary component (10) includes a forward and reverse threaded rod (1001) and a movable plate (1002), and the movable plate (1002) is mounted on the outside of the forward and reverse threaded rod (1001).

8. A cable protection pipe port diameter expansion device according to claim 7, characterized in that, The auxiliary component (10) further includes an auxiliary plate (1003) and a metal sheet (1004). The lower end of the movable plate (1002) is connected to the auxiliary plate (1003), and the metal sheet (1004) is installed on the inner surface of the auxiliary plate (1003).

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