Blowing dust removal device for middle-high voltage cable conductor
By designing a symmetrical air-blowing split and limiting component structure, the problems of uneven dust removal and messy equipment in the manufacturing of medium and high voltage cables were solved, achieving efficient and aesthetically pleasing dust removal effect and convenient assembly.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU ZHONGCHAO HOLDING CO LTD
- Filing Date
- 2025-01-23
- Publication Date
- 2026-04-10
AI Technical Summary
Existing air-blowing dust removal devices used in the manufacture of medium and high voltage cables cannot effectively cover the surface of the cable conductors, have poor dust removal capabilities, and have a messy appearance.
Design a medium and high voltage cable conductor air blowing dust removal device including an air blowing body, a limiting component, and fasteners. The air blowing body consists of a symmetrical air blowing section one and an air blowing section two, with multiple arc-shaped air blowing ports and inclined air blowing channels. The limiting component is secured by a fixing ring, a conical ring, and a connecting ring, and the fasteners are fixed by internal and external threads.
It achieves uniform coverage of the cable conductor surface, improves dust removal efficiency, has a compact and aesthetically pleasing structure, improves work efficiency and production environment cleanliness, and is easy to assemble and replace.
Smart Images

Figure CN224110049U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to dust removal device technical field, concretely is a kind of middle and high voltage cable conductor blowing dust removal device. BACKGROUND
[0002] Middle and high voltage cable plays very important role in transmission line, and the stability of its electrical performance determines the operation safety and reliability of transmission line, the quality of the core component of cable, insulation wire core in production manufacturing process, directly influence the electrical performance of cable whole, the insulation wire core extrusion process of middle and high voltage cable, the surface of cable conductor before insulation extrusion will be attached with certain small dust, metal powder, dirt etc., once in the insulation extrusion process enters insulation layer, it can reduce the insulation performance of cable, lead to current leakage increase, discharge when cable operation, even breakdown, burn, therefore, in order to improve the quality of middle and high voltage cable insulation extrusion process, it is necessary to equip a blowing device for removing dust and metal powder on the surface of cable conductor before cable conductor extrusion insulation;
[0003] At present, the blowing dust removal device in cable manufacturing mostly adopts a plurality of bamboo joint type universal blowing pipe devices with adjustable blowing direction, which has no aesthetic appearance and is relatively messy, and the blown gas is not enough to cover the entire surface of the cable conductor, so the dust removal capacity is poor. Therefore, there is an urgent need to develop a middle and high voltage cable conductor blowing dust removal device to help people solve the existing problems. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a middle and high voltage cable conductor blowing dust removal device to solve the problem of the blowing dust removal device in cable manufacturing, which mostly adopts a plurality of bamboo joint type universal blowing pipe devices with adjustable blowing direction, and the blown gas is not enough to cover the entire surface of the cable conductor, so the dust removal capacity is poor.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a middle and high voltage cable conductor blowing dust removal device, comprising a device platform, a blowing dust removal mechanism is arranged above the device platform, a cable conductor is arranged inside the blowing dust removal mechanism, the blowing dust removal mechanism comprises a blowing main body, a limiting piece and a fastener, the blowing main body comprises blowing part one and blowing part two, the internal structures of the blowing part one and the blowing part two are the same, and the blowing part one and the blowing part two are symmetrically arranged, the inner side surface of the blowing part one is arranged as an arc surface, the blowing part one comprises an upper body and a lower body, the upper body is arranged above the lower body, and the upper body and the lower body are arranged as an integral structure, four blowing ports are arranged on the arc surface of the inner side of the upper body, and the four blowing ports are arranged at the same height position and in an arc shape.
[0006] Preferably, the inside of the upper body is provided with a blowing flow channel on one side of each blowing port, and the blowing flow channel is communicated with the blowing port, the blowing flow channel is arranged obliquely, and the lower side of the outside of the upper body is provided with an annular outer groove.
[0007] Preferably, the limiting piece comprises a fixed ring, a conical ring and a connecting ring, the conical ring is fixedly installed above the fixed ring, and the connecting ring is fixedly installed below the fixed ring.
[0008] Preferably, the lower body is provided as a semi-annular plate, and the inner diameter of the fixed ring matches the outer diameter of the lower body.
[0009] Preferably, the inside of the fixed ring is provided with an inner ring groove, the lower end face of the connecting ring is provided with an air inlet, the inside of the connecting ring is provided with a gas conveying flow channel, and the gas conveying flow channel is communicated with the air inlet, and the upper end of the gas conveying flow channel extends into the inside of the fixed ring and is communicated with the inner ring groove.
[0010] Preferably, the fastener is arranged outside the connecting ring of the limiting piece, and the outside end face of the fastener is provided with a knurled pattern.
[0011] Preferably, the inside end face of the fastener is provided with an internal thread, and the outside end face of the connecting ring is provided with an external thread.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] (1) The blowing main body, the circular hole structure composed of the blowing subbody one and the blowing subbody two can uniformly wrap the cable conductor, and the multiple blowing ports arranged inside the two blowing subbody one and the blowing subbody two can ensure that the blown gas fully covers the surface of the cable conductor, thereby greatly improving the dust removal effect, and the compact structure and the beautiful design of the device avoid the disorderly appearance of the traditional device, thereby improving the work efficiency and optimizing the neatness of the production environment.
[0014] (2) The limiting piece is arranged outside the lower body and comprises a fixed ring, a conical ring and a connecting ring, and the structure has significant advantages in device stability and assembly convenience, the close cooperation of the fixed ring and the lower body and the clamping of the conical ring and the annular outer groove of the upper body jointly ensure the stable placement of the blowing main body and improve the assembly convenience and efficiency.
[0015] (3) The internal thread on the inside end face of the fastener matches the external thread on the outside end face of the connecting ring, so that the limiting piece can be fixed on the device platform stably, and the replacement and maintenance of the blowing main body are also facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1A cross section schematic view of the high-voltage cable conductor air blowing dust removing device of the utility model;
[0017] Figure 2 A cross section structure schematic view of the air blowing dust removing mechanism of the utility model;
[0018] Figure 3 An internal structure schematic view of the air blowing main body of the utility model;
[0019] Figure 4 An internal structure schematic view of the limiting piece of the utility model;
[0020] Figure 5 A cross section structure schematic view of the fastener of the utility model.
[0021] In the drawing: 1, device platform; 2, cable conductor; 3, air blowing dust removing mechanism; 4, air blowing main body; 401, air blowing split body one; 4011, upper body; 4012, lower body; 4013, air blowing flow channel; 4014, air blowing port; 4015, annular outer groove; 402, air blowing split body two; 5, limiting piece; 501, fixed ring; 5011, inner ring groove; 502, conical ring; 503, connecting ring; 5031, gas conveying flow channel; 5032, gas inlet; 6, fastener; 601, internal thread; 602, knurled pattern. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0023] Please refer to Figures 1-5The utility model provides an embodiment: a kind of high voltage cable conductor blow-off dust device, the upper portion of device platform 1 is provided with blow-off dust mechanism 3, the inside of blow-off dust mechanism 3 is provided with cable conductor 2, blow-off dust mechanism 3 includes blow-off body 4, limiting piece 5 and fastener 6, device platform 1 is provided with round hole, it is convenient to install blow-off dust mechanism 3, blow-off body 4 includes blow-off body one 401 and blow-off body two 402, the internal structure of blow-off body one 401 and blow-off body two 402 is same, and blow-off body one 401 and blow-off body two 402 are symmetrically arranged, blow-off body 4 is divided into two pieces, so that in the machine operation process, different specifications blow-off body 4 can also be replaced at will, the inside of blow-off body one 401 is provided as arc surface, two arc surfaces of blow-off body one 401 and blow-off body two 402 form a circular hole, cable conductor 2 passes from the circular hole, blow-off body one 401 includes upper body 4011 and lower body 4012, upper body 4011 is arranged at the upper portion of lower body 4012, and upper body 4011 and lower body 4012 are arranged as integrated structure, the arc surface on the inside of upper body 4011 is provided with four blow-off ports 4014, four blow-off ports 4014 are at the same height position and are arranged in arc shape interval.
[0024] When using, by the circular hole structure of the blow-off body 4 and the blow-off body one 401 and the blow-off body two 402, the cable conductor 2 can be uniformly wrapped, and by the plurality of blow-off ports 4014 arranged on the inside of the two blow-off body one 401 and the blow-off body two 402, it is ensured that the blown gas fully covers the surface of the cable conductor, thereby greatly improving the dust removal effect. At the same time, the device has compact structure and beautiful design, avoids the messy appearance of traditional devices, improves the work efficiency and optimizes the neatness of production environment, and the blow-off body can be divided into two pieces, so that different specifications of blow-off body can be conveniently replaced during the operation of the machine, further enhancing the flexibility and practicality of the device.
[0025] Please refer to Figure 2 and Figure 3 The inside of the upper body 4011 is provided with a blow-off flow channel 4013 along one side of each blow-off port 4014, and the blow-off flow channel 4013 communicates with the blow-off port 4014. The blow-off flow channel 4013 is inclinedly arranged, and the lower portion of the outside of the upper body 4011 is provided with an annular outer groove 4015.
[0026] The inclined blow-off flow channel 4013 can more effectively guide airflow, ensure that the gas is uniformly and powerfully sprayed through the blow-off port, thereby improving the dust removal efficiency.
[0027] Please refer to Figure 4The limiting piece 5 includes a fixed ring 501, a tapered ring 502 and a connecting ring 503. The tapered ring 502 is fixedly installed above the fixed ring 501, and the connecting ring 503 is fixedly installed below the fixed ring 501. The lower body 4012 is provided as a semi-annular plate. The inner diameter of the fixed ring 501 matches the outer diameter of the lower body 4012, so that the lower body 4012 is inserted into the fixed ring 501 when the blowing body 4 and the limiting piece 5 are assembled.
[0028] By providing the limiting piece 5 including the fixed ring 501, the tapered ring 502 and the connecting ring 503 outside the lower body 4012, the structure has significant advantages in device stability and assembly convenience. The close fit of the fixed ring 501 with the lower body 4012 and the clamping of the tapered ring 502 with the annular outer groove 4015 of the upper body 4011 together ensure the stable placement of the blowing body 4 and improve the convenience and efficiency of assembly.
[0029] Please refer to Figure 4 The inner part of the fixed ring 501 is provided with an inner ring groove 5011. The inner diameter of the tapered ring 502 matches the outer diameter of the inner ring groove 5011. The outer diameter of the inner ring groove 5011 matches the outer diameter of the annular outer groove 4015 at the part of the upper body 4011, so that the annular outer groove 4015 of the upper body 4011 can be clamped on the tapered ring 502 when the blowing body 4 and the limiting piece 5 are assembled. The lower end surface of the connecting ring 503 is provided with an air inlet 5032. The inner part of the connecting ring 503 is provided with a gas conveying channel 5031, which is in communication with the air inlet 5032. The upper end of the gas conveying channel 5031 extends into the inner part of the fixed ring 501 and is in communication with the inner ring groove 5011. The air inlet 5032 is used to connect with an external gas conveying pipeline, and the external gas conveying pipeline is connected with a gas pump, so as to convey air into the gas conveying channel 5031.
[0030] By providing the inner ring groove 5011 in the inner part of the fixed ring 501 and matching the tapered ring 502 and the annular outer groove 4015 of the upper body 4011, and by providing the gas conveying channel 5031 in the inner part of the connecting ring 503 and in communication with the air inlet 5032, the transmission of gas is facilitated. Not only is the smooth transmission of gas ensured, but also the clamping structure of the inner ring groove 5011 and the annular outer groove 4015 effectively prevents gas leakage.
[0031] Please refer to Figure 1 and Figure 5The fastener 6 is arranged outside the connecting ring 503 of the limiting piece 5, the outer side end face of the fastener 6 is provided with a netted knurl 602, the appearance of the surface of the fastener 6 is improved, the inner side end face of the fastener 6 is provided with an inner thread 601, the outer side end face of the connecting ring 503 is provided with an outer thread, the outer diameter of the connecting ring 503 is smaller than the diameter of the reserved circular hole of the device platform 1, and the outer diameter of the fixed ring 501 is greater than the diameter of the reserved circular hole of the device platform 1, so that the connecting ring 503 part of the limiting piece 5 can pass through the reserved circular hole of the device platform 1, then the fastener 6 can be screwed with the connecting ring 503 from below the device platform 1, and the position of the limiting piece 5 is fixed.
[0032] The inner thread 601 on the inner side end face of the fastener 6 is matched with the outer thread on the outer side end face of the connecting ring 503, so that the limiting piece 5 can be firmly fixed on the device platform 1, and the replacement and maintenance of the blowing main body 4 are facilitated.
[0033] Working principle: when used, the blowing dust removal mechanism 3 is installed through the circular hole on the device platform 1, the blowing dust removal mechanism 3 is composed of the blowing main body 4, the limiting piece 5 and the fastener 6, the blowing main body 4 is divided into blowing body one 401 and blowing body two 402, the internal structures of the two are the same and symmetrically arranged, forming a circular hole for the cable conductor 2 to pass through, a plurality of blowing ports 4014 are arranged on the inner side of the upper body of the blowing body one 401, covering the surface of the cable conductor 2, facilitating stable dust removal, the limiting piece 5 is tightly matched with the lower body 4012 of the blowing main body 4 through the structure of the fixed ring 501, the conical ring 502 and the connecting ring 503, and is clamped with the annular outer groove 4015 of the upper body 4011 through the conical ring 502, so as to ensure the stable placement of the blowing main body 4, the air inlet 5032 on the connecting ring 503 is connected with the external gas conveying pipeline, the gas enters the inner ring groove 5011 through the gas conveying flow channel 5031, and is then conveyed out from the blowing port 4014 through the blowing flow channel 4013, so as to stably remove dust from the cable conductor 2.
[0034] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.
Claims
1. A device for blowing and dusting the conductor of a medium or high voltage cable, comprising a device platform (1), characterized in that: The upper part of the device platform (1) is provided with a blowing dust removal mechanism (3), the inside of the blowing dust removal mechanism (3) is provided with a cable conductor (2), the blowing dust removal mechanism (3) comprises a blowing main body (4), a limiting piece (5) and a fastener (6), the blowing main body (4) comprises blowing part one (401) and blowing part two (402), the inside structure of the blowing part one (401) and the blowing part two (402) is same, and the blowing part one (401) and the blowing part two (402) are symmetrically arranged, the inner side of the blowing part one (401) is provided as an arc surface, the blowing part one (401) comprises an upper body (4011) and a lower body (4012), the upper body (4011) is arranged above the lower body (4012), and the upper body (4011) and the lower body (4012) are arranged as an integral structure, four blowing ports (4014) are arranged on the arc surface of the inner side of the upper body (4011), and the four blowing ports (4014) are arranged in an arc shape at the same height position.
2. A device for blowing off dust from a conductor of a medium or high voltage cable according to claim 1, characterized in that The inside of the upper body (4011) is provided with a blowing flow channel (4013) on one side of each blowing port (4014), and the blowing flow channel (4013) is communicated with the blowing port (4014), the blowing flow channel (4013) is arranged obliquely, and the lower side of the outer side of the upper body (4011) is provided with an annular outer groove (4015).
3. A device for blowing off dust from a conductor of a medium or high voltage cable according to claim 2, characterized in that: The limiting piece (5) comprises a fixed ring (501), a conical ring (502) and a connecting ring (503), the conical ring (502) is fixedly installed above the fixed ring (501), and the connecting ring (503) is fixedly installed below the fixed ring (501).
4. A device for blowing off dust from a conductor of a medium or high voltage cable according to claim 3, characterized in that: The lower body (4012) is arranged as a semi-annular plate, and the inner diameter of the fixed ring (501) is matched with the outer diameter of the lower body (4012).
5. A device for blowing off dust from a conductor of a medium or high voltage cable according to claim 4, characterized in that: The inside of the fixed ring (501) is provided with an inner ring groove (5011), the lower end face of the connecting ring (503) is provided with an air inlet (5032), the inside of the connecting ring (503) is provided with a gas conveying flow channel (5031), and the gas conveying flow channel (5031) is communicated with the air inlet (5032), and the upper end of the gas conveying flow channel (5031) extends into the inside of the fixed ring (501) and is communicated with the inner ring groove (5011).
6. A device for blowing off dust from a conductor of a medium or high voltage cable according to claim 5, characterized in that: The fastener (6) is arranged outside the connecting ring (503) of the limiting piece (5), and the outer side end face of the fastener (6) is provided with a knurled pattern (602).
7. A device for blowing off dust from a conductor of a medium or high voltage cable according to claim 6, characterized in that: The inner side end face of the fastener (6) is provided with an internal thread (601), and the outer side end face of the connecting ring (503) is provided with an external thread.