High-electrical-insulation pressure-resistant hot-dip plastic steel pipe

Abstract

The utility model discloses a high-electrical-insulation pressure-resistant hot-dip plastic steel pipe and relates to the field of hot-dip plastic steel pipes, the high-electrical-insulation pressure-resistant hot-dip plastic steel pipe comprises a hot-dip plastic steel pipe assembly, a pressure-resistant plate is fixedly connected to one side of a sliding block, a supporting strip is fixedly arranged at the bottom of the pressure-resistant plate, and the surface of the hot-dip plastic steel pipe assembly is slidably connected with a sliding sleeve in a sleeving mode. The top ends of the connecting rods are rotationally connected with the two sides of the supporting strip, a damping strip is fixedly arranged on the surface of one side of the supporting plate in a glued mode, and one end of the surface of the hot dipping plastic steel pipe assembly is connected with a second spring in a sleeving mode. The sliding sleeve part is driven by the connecting rod to slide on the surface of the hot dipping plastic steel pipe assembly, the sliding sleeve part moves to exert stretching force on the second spring and exert compression force on the first spring, the force generated by resetting of the first spring and the second spring can be absorbed by the damping strip, and therefore the autonomous compression resisting and damping effect of the structure is achieved.

Description

Technical Field

[0001] The present application relates to the field of hot-dip plastic steel pipes, and in particular to a high electrical insulation and pressure-resistant hot-dip plastic steel pipe. Background Art

[0002] Hot-dip plastic steel pipe is made on the basis of surface treatment of ordinary steel pipe. According to the use medium and working conditions, it uses polymer materials of different formulations and is evenly coated on the metal surface through special equipment. After plasticization and curing, a uniform, dense and smooth plastic coating is formed on the metal surface, becoming a new type of steel-plastic composite pipe that combines the superior mechanical properties of steel with the chemical corrosion resistance of polymer materials.

[0003] For example, patent number CN202021957318.6 discloses a compression-resistant hot-dip plastic steel pipe, which includes a hot-dip plastic steel pipe body, the left side of which is plugged with uniformly distributed reinforcing ribs, the reinforcing ribs are sleeved with uniformly distributed reinforcing rings, the surface of the reinforcing rings is fixedly connected to the hot-dip plastic steel pipe body, the inner bottom wall of the hot-dip plastic steel pipe body is fixedly connected with two fixed blocks, a screw rod is rotatably connected between the two fixed blocks, the left end of the screw rod penetrates and extends to the left side of the fixed block on the left side, but still has the following deficiencies in actual use:

[0004] During the actual application of the above patent, when the hot-dip plastic steel pipe is in a larger pressure area, the overall compressive resistance of the hot-dip plastic steel pipe cannot be improved by relying solely on the reinforcement ring. Therefore, the patent requires the staff to manually operate it again. By rotating the threaded rod to increase the distance between the leftmost reinforcement ring and the rightmost reinforcement ring, the large pressure area on the surface of the hot-dip plastic steel pipe is specially reinforced. The structural function of autonomous pressure resistance and shock absorption is lacking, resulting in a passive effect on the compressive resistance of the hot-dip plastic steel pipe itself. Utility Model Content

[0005] In order to improve the passive compressive and shock-absorbing performance of the hot-dip plastic steel pipe itself, the present application provides a high electrical insulation and compressive hot-dip plastic steel pipe.

[0006] The present application provides a high electrical insulation and pressure resistance hot-dip plastic steel pipe adopts the following technical solution:

[0007] A high electrical insulation and pressure-resistant hot-dip plastic steel pipe comprises a hot-dip plastic steel pipe assembly, wherein support plates are fixedly provided on both sides of the outer surface of the hot-dip plastic steel pipe assembly, a plurality of sliding grooves are opened around the surface of one side of the support plate, a slider is slidably connected to the inside of the sliding groove, a pressure-resistant plate is fixedly connected to one side of the slider, and a support bar is fixedly provided at the bottom of the pressure-resistant plate.

[0008] The surface sliding sleeve of the hot-dip plastic steel pipe assembly is connected with a sliding sleeve, and the sliding sleeve is located between two support plates. A plurality of long strips are fixedly connected around one side surface of the sliding sleeve. The long strips are rotatably arranged with the support strips through connecting rods. A damping strip is embedded and fixedly arranged on one side surface of the support plate.

[0009] By adopting the above technical solution, when the outside world exerts pressure on the outside of the hot-dip plastic steel pipe assembly, the generated pressure will limit the pressure-resistant plate to move downward in the vertical direction of the slide groove, and the slide sleeve will slide on the surface of the hot-dip plastic steel pipe assembly, thereby stretching the second spring, thereby achieving the effect of resisting and alleviating the external pressure. The pressure generated by the reset of the second spring can be absorbed by the damping strip, thereby achieving the shock-absorbing effect of the structure.

[0010] Preferably, the hot-dip plastic steel pipe assembly comprises a main insulating layer glued and fixedly sleeved on the outer surface of the hot-dip plastic steel pipe body, and a metal shielding layer is glued and fixedly provided on the outer surface of the main insulating layer.

[0011] By adopting the above technical solution, the main insulating layer mainly blocks the flow of current from the inside of the hot-dip plastic steel pipe body to the outside by utilizing the resistance of the material, thereby playing the role of isolation and protection.

[0012] Preferably, an inner protective sleeve layer is glued and fixed to the outer surface of the metal shielding layer, the two support plates are respectively fixed to the two ends of the outer surface of the inner protective sleeve layer, and the sliding sleeve is slidably sleeved on the outer surface of the inner protective sleeve layer.

[0013] By adopting the above technical solution, the metal shielding layer can use the metal material to reflect and absorb the electromagnetic waves generated inside the hot-dip plastic steel pipe body.

[0014] Preferably, the opposite surfaces of the two support plates are fixedly connected with an outer protective sleeve layer, and the outer protective sleeve layer is annularly covered and arranged on the outer side of the pressure-resistant plate.

[0015] By adopting the above technical solution, the outer protective sleeve layer cooperates with the support plate, so that the device forms a sealed whole, which is convenient for long-term use of the internal structure.

[0016] Preferably, a plurality of planar ends are evenly formed on the surface of the sliding sleeve, and the surfaces of the planar ends are fixedly connected to the long strip.

[0017] By adopting the above technical solution, the arrangement of the plane end enhances the stability of the connection between the sliding sleeve and the long strip.

[0018] Preferably, a second spring is sleeved and connected to one end of the surface of the hot-dip plastic steel pipe assembly, one end of the second spring is fixedly connected to one side of the damping strip, and the other end of the second spring is fixedly connected to one end of the sliding sleeve.

[0019] By adopting the above technical solution, three groups of connecting rods are arranged between each group of long strips and support strips, which can ensure the service life and compression resistance of the compression plate.

[0020] Preferably, a portion where one side of the compression-resistant plate contacts the inner side of the outer protective sleeve layer is configured as an arc-shaped surface.

[0021] By adopting the above technical solution, the surface of the pressure-resistant plate is set as a curved surface, which can disperse the external pressure to the greatest extent and reduce the force borne by the surface of the pressure-resistant plate.

[0022] Preferably, a first spring is sleeved and abutted on one end of the surface of the hot-dip plastic steel pipe assembly away from the sliding block, one end of the first spring is fixedly connected to one side of the support plate, and the other end of the first spring is fixedly connected to one end of the sliding sleeve.

[0023] By adopting the above technical solution, the first spring is used in conjunction with the second spring, and when the sliding sleeve slides, the first spring and the second spring are stretched and compressed at the same time, thereby relieving pressure.

[0024] In summary, the present application includes at least one of the following beneficial technical effects:

[0025] 1. When the pressure plate moves downward due to external force, it will drive the sliding sleeve to slide on the surface of the hot-dip plastic steel pipe assembly through the connecting rod. The movement of the sliding sleeve will cause a tensile force on the second spring and a compressive force on the first spring. When the first spring and the second spring are reset, the force generated will be absorbed by the damping strip, thereby achieving the effect of autonomous pressure resistance and shock absorption of the structure, and improving the overall pressure resistance of the device;

[0026] 2. The main insulating layer can block and isolate the flow of current from the inside of the hot-dip plastic steel pipe to the outside, and the metal shielding layer can reflect and absorb the electromagnetic waves generated inside the hot-dip plastic steel pipe, thereby improving the insulation performance of the hot-dip plastic steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is the overall sectional front view of this application;

[0028] Figure 2 This is a sectional side view of the entire application;

[0029] Figure 3 This is the overall structure diagram of this application;

[0030] Figure 4 For this application Figure 3 Enlarged view of point A in the middle.

[0031] Reference numerals: 1, hot-dip plastic steel pipe assembly; 101, hot-dip plastic steel pipe body; 102, main insulation layer; 103, metal shielding layer; 104, inner protective sheath layer;

[0032] 2. Support plate; 3. Outer protective sleeve layer; 4. First spring; 5. Sliding kit; 6. Long strip; 7. Connecting rod; 8. Support bar; 9. Flat end; 10. Anti-pressure plate; 11. Second spring; 12. Slide groove; 13. Sliding block; 14. Damping strip. DETAILED DESCRIPTION

[0033] The following is combined with Figure 1-4 This application is described in further detail.

[0034] The embodiment of the present application discloses a high electrical insulation and pressure resistance hot-dip plastic steel pipe.

[0035] The top, bottom, left and right of this case are all attached with instructions. Figure 1 For reference benchmark.

[0036] Example 1

[0037] Reference Figure 3-4 , a high electrical insulation and pressure-resistant hot-dip plastic steel pipe comprises a hot-dip plastic steel pipe assembly 1, both ends of the outer side of the hot-dip plastic steel pipe assembly 1 are fixedly provided with support plates 2, and the surface of the support plate 2 is provided with a number of slide grooves 12 matching the number of pressure-resistant plates 10 set, one end of the pressure-resistant plate 10 is fixed to one end of a slider 13, and the side of the slider 13 away from the pressure-resistant plate 10 slides longitudinally in the slide groove 12, and the surface of the slider 13 abuts against the inner wall of the slide groove 12 and can slide longitudinally, thereby achieving a limiting effect, the bottom of the pressure-resistant plate 10 is integrally formed with the support bar 8, and the width and length of the support bar 8 are both smaller than the width and length of the pressure-resistant plate 10, and the surface of the hot-dip plastic steel pipe assembly 1 is provided with a sliding sleeve 5, and a plurality of plane ends 9 are fixedly provided on the surface of the sliding sleeve 5, and a plurality of connecting rods 7 arranged at intervals are hinged on both sides of the surface of the support bar 8, and one end of the plurality of connecting rods 7 is hinged to both sides of the long strip 6, and a damping strip 14 (such as Figure 3 As shown), the outer surface of the damping strip 14 is flush with the surface of the support plate 2.

[0038] Reference Figure 1 The left end surface of the hot-dip plastic steel pipe assembly 1 is sleeved with a second spring 11, the inner wall of the second spring 11 abuts against the outer surface of the hot-dip plastic steel pipe assembly 1, the left end of the second spring 11 is fixedly connected to one side of the damping strip 14, the right end of the second spring 11 is fixedly connected to the left end of the sliding sleeve 5, the right end of the hot-dip plastic steel pipe assembly 1 is sleeved with a first spring 4, the left end of the first spring 4 is fixedly connected to the right end of the sliding sleeve 5, and the right end of the first spring 4 is fixedly connected to the inner surface of the right support plate 2.

[0039] Through the above arrangement, when the device is subjected to external pressure, the pressure will be transmitted to the surface of the pressure-resistant plate 10, so that one end of the pressure-resistant plate 10 drives the slider 13 to move downward inside the slide groove 12. Figure 3 : The connecting rod 7 can drive the sliding sleeve 5 to slide to the right on the surface of the hot-dip plastic steel pipe assembly 1. When the sliding sleeve 5 slides to the right, it will cause a tensile force on the second spring 11 and a compressive force on the first spring 4. When the first spring 4 and the second spring 11 are reset, the force generated will be absorbed by the damping strip 14, thereby achieving the effect of autonomous pressure resistance and shock absorption of the structure, thereby improving the protection performance of the pipe fittings.

[0040] Reference Figure 2 The hot-dip plastic steel pipe body 101 is arranged in the innermost layer of the hot-dip plastic steel pipe assembly 1, and the outer surface of the hot-dip plastic steel pipe body 101 is glued with a main insulating layer 102, the outer surface of the main insulating layer 102 is glued with a metal shielding layer 103, and the outer surface of the metal shielding layer 103 is glued with an inner protective sleeve layer 104.

[0041] Through the above-mentioned arrangement, the hot-dip plastic steel pipe assembly 1 is convenient for internal cable routing and use. The main insulating layer 102 can block and isolate the flow of current from the inside of the hot-dip plastic steel pipe body 101 to the outside. The metal shielding layer 103 can utilize metal materials to reflect and absorb electromagnetic waves generated inside the hot-dip plastic steel pipe body 101, thereby further improving the insulation performance of the hot-dip plastic steel pipe assembly 1 itself. The inner protective sleeve 104 can isolate and protect the sliding sleeve 5 and the insulating layer structure inside the hot-dip plastic steel pipe assembly 1, thereby reducing the damage of the insulating layer structure that affects the subsequent use effect.

[0042] The implementation principle of a high electrical insulation and pressure resistance hot-dip plastic steel pipe in the embodiment of the present application is:

[0043] When the outer side of the hot-dip plastic steel pipe is subjected to pressure, the pressure will drive the outer protective sleeve 3 to exert a downward force on the anti-pressure plate 10. While the anti-pressure plate 10 drives the slider 13 to slide down the slide groove 12, it will drive the sliding sleeve 5 to slide on the surface of the hot-dip plastic steel pipe assembly 1 through the connecting rod 7. While moving, the sliding sleeve 5 will cause a tensile force to the second spring 11 and a compressive force to the first spring 4. When the first spring 4 and the second spring 11 are reset, the force generated will be absorbed by the damping strip 14, thereby achieving the effect of autonomous pressure resistance and shock absorption of the structure, extending the service life of the entire pipe fitting, and the main insulating layer 102 can block and isolate the flow of current from the inside of the hot-dip plastic steel pipe body 101 to the outside, and the metal shielding layer 103 can use metal materials to reflect and absorb the electromagnetic waves generated inside the hot-dip plastic steel pipe body 101, thereby further improving the insulation performance of the hot-dip plastic steel pipe assembly 1 itself.

[0044] The spring is an elastic material. When subjected to external force, it will produce elastic deformation, converting the energy of the force into elastic energy stored in the spring, playing a buffering role. When the external force no longer acts on the spring, the spring returns to its original state, releasing the stored elastic energy, and the kinetic energy generated by the impact can be absorbed by the damping strip 14, thereby achieving buffering and shock reduction.

[0045] The outer protective sheath layer 3 and the inner protective sheath layer 104 are made of rubber or rubber composite sheaths, which have good insulation, elasticity and weather resistance to adapt to different environments and uses. The main insulating layer 102 is made of a pipe sleeve structure made of an insulating rubber plate, and the metal shielding layer 103 is made of alumina ceramic material or alumina acylate material.

[0046] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A high electrical insulation and pressure resistant hot-dip plastic steel pipe, characterized in that: It comprises a hot-dip plastic steel pipe assembly (1), support plates (2) are fixedly provided on both sides of the outer surface of the hot-dip plastic steel pipe assembly (1), a plurality of slide grooves (12) are arranged around the surface of one side of the support plate (2), a slider (13) is slidably connected inside the slide groove (12), a pressure-resistant plate (10) is fixedly connected to one side of the slider (13), and a support bar (8) is fixedly provided at the bottom of the pressure-resistant plate (10); The surface sliding sleeve of the hot-dip plastic steel pipe assembly (1) is connected to a sliding sleeve (5), and the sliding sleeve (5) is located between two support plates (2). A plurality of long strips (6) are fixedly connected around the surface of one side of the sliding sleeve (5), and the long strips (6) are rotatably arranged with a supporting strip (8) via a connecting rod (7), and a damping strip (14) is embedded and fixedly arranged on the surface of one side of the support plate (2).

2. The high electrical insulation and pressure resistance hot-dip plastic steel pipe according to claim 1, characterized in that: The hot-dip plastic steel pipe assembly (1) comprises a main insulating layer (102) which is glued and fixedly sleeved on the outer surface of the hot-dip plastic steel pipe body (101), and a metal shielding layer (103) is glued and fixedly provided on the outer surface of the main insulating layer (102).

3. The high electrical insulation and pressure resistance hot-dip plastic steel pipe according to claim 2, characterized in that: An inner protective sleeve layer (104) is glued and fixed to the outer surface of the metal shielding layer (103), the two support plates (2) are respectively fixed to the two ends of the outer surface of the inner protective sleeve layer (104), and the sliding sleeve (5) is slidably sleeved on the outer surface of the inner protective sleeve layer (104).

4. The high electrical insulation and pressure resistance hot-dip plastic steel pipe according to claim 1, characterized in that: The opposing surfaces of the two support plates (2) are fixedly connected with an outer protective sleeve layer (3), and the outer protective sleeve layer (3) is annularly arranged on the outside of the pressure-resistant plate (10).

5. The high electrical insulation and pressure resistance hot-dip plastic steel pipe according to claim 1, characterized in that: The surface of the sliding sleeve (5) is evenly provided with a plurality of plane ends (9), and the surfaces of the plane ends (9) and the long strip plate (6) are fixedly connected.

6. The high electrical insulation and pressure resistance hot-dip plastic steel pipe according to claim 1, characterized in that: A second spring (11) is sleeved and connected to one end of the surface of the hot-dip plastic steel pipe assembly (1); one end of the second spring (11) is fixedly connected to one side of the damping strip (14); and the other end of the second spring (11) is fixedly connected to one end of the sliding sleeve (5).

7. The high electrical insulation and pressure resistance hot-dip plastic steel pipe according to claim 1, characterized in that: The portion where one side of the pressure-resistant plate (10) contacts the inner side of the outer protective sleeve layer (3) is set as an arc-shaped surface.

8. The high electrical insulation and pressure resistance hot-dip plastic steel pipe according to claim 1, characterized in that: A first spring (4) is sleeved and abutted against one end of the surface of the hot-dip plastic steel pipe assembly (1) away from the slider (13); one end of the first spring (4) is fixedly connected to one side of the support plate (2); and the other end of the first spring (4) is fixedly connected to one end of the sliding sleeve (5).

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