Cable heat dissipation support
By designing a cable heat dissipation bracket that includes adjusting metal pipes, the problem of cable deformation and insufficient heat dissipation caused by traditional cable brackets is solved, more efficient heat dissipation and better adaptability are achieved, and the service life of the cable is extended.
Patent Information
- Application Number
- CN202421203361.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-30
AI Technical Summary
Traditional cable brackets adopt single-point or single-wire support, resulting in high stress on the contact point between the cable and the bracket. Especially in slope cable tunnels, the cable is prone to deform under long-term high temperature operation, affecting the quality of the cable operation.
A cable heat dissipation bracket is designed, including a support rod and a fixing rod. The first and second metal pipes are provided on both sides of the support rod. The adjustment of the metal pipes is realized through the cooperation of the screw and the fastening nut to adapt to the outer diameters of different cables. And integrate a temperature sensor inside the metal pipe to select the active heat dissipation method according to the cable temperature.
By increasing the contact point between the cable and the bracket, the contact point stress between the cable and the bracket is reduced, ensuring uniform clamping of the cable and avoiding deformation problems. At the same time, the bracket can be adjusted to adapt to different cable outer diameters, improving heat dissipation performance and versatility. Extend the service life of the cable.
Smart Images
Figure CN222508630U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of power cable facilities, in particular to a cable heat dissipation bracket which can improve the heat dissipation performance of cables and is suitable for cables with different outer diameters. Background Art
[0002] With the rapid development of my country's economy, the requirements for urban beautification and power supply safety are also increasing. Therefore, cable tunnels and cable trenches have become the main channels for urban power supply. For a long time, cable racks made of angle irons have been used to install cables. However, traditional cable racks usually adopt single-point or single-line support, which makes the contact point stress between the cable and the rack large. Especially in cable tunnels with slopes, the cable is easy to deform under long-term high-temperature operation, which seriously affects the quality of cable operation. In addition, with the annual increase in power load of urban power grid users, power consumption shows cyclical changes. Increasing the transmission capacity of the power grid by simply increasing the cable cross-section or the number of cables will result in excessive investment costs.
[0003] Therefore, those skilled in the art are committed to developing a cable heat dissipation bracket that can dissipate heat from cables and is adaptable to cables with different outer diameters. Utility Model Content
[0004] In view of the above-mentioned defects in the prior art, the utility model discloses a cable heat dissipation bracket, and the technical problem to be solved is to provide a cable heat dissipation bracket which can dissipate heat for cables and is adaptable to cables with different outer diameters.
[0005] To achieve the above-mentioned purpose, the utility model provides a cable heat dissipation bracket, comprising a support rod and a fixing rod whose ends are vertically fixedly connected to each other, the outer side surface of the support rod is provided with a first metal pipe and a second metal pipe parallel to each other; the first metal pipe is fixedly connected to the support rod; the support rod is provided with a strip through hole along the length direction, and the second metal pipe is fixed with a screw rod that slides with the strip through hole, and one end of the screw rod passing through the strip through hole is matched with a fastening nut.
[0006] When in use, the fixing rod is used to connect with the wall, fix the bracket on the wall, the support rod is used to provide basic support for the cable, the first metal pipe and the second metal pipe are respectively arranged on both sides of the support rod, and the cable is clamped by two metal pipes. Thus, the original single-point support is changed into a line support where the support rod contacts the cable, and the line support where the first metal pipe and the second metal pipe contact the cable respectively, thereby greatly increasing the contact points between the cable and the bracket. In addition, the metal pipe mainly plays the role of supporting the cable when the internal liquid does not flow. The metal pipe is integrated with a temperature sensor, and the control system can be used to select whether to actively dissipate heat according to the actual temperature of the cable. Active heat dissipation methods may include but are not limited to air cooling, liquid cooling, etc. When necessary, for example, when the internal temperature sensor reaches the set temperature, the cable can be forced to cool. On the other hand, by setting a strip through hole and a screw, after loosening the fastening nut, the screw can be moved in the strip through hole, thereby moving the position of the second metal pipe in parallel, and then adjusting the distance between the first metal pipe and the second metal pipe to adapt to cables of different outer diameters.
[0007] Preferably, the first metal pipe is located at one end close to the fixing rod, which facilitates the movement of the second metal pipe.
[0008] Preferably, the free end of the fixed rod is connected with a support sheet, the support sheet is parallel to the support rod, a positioning rod parallel to the fixed rod is provided between the support sheet and the support rod, a movable support rod that can slide along the positioning rod is hinged on the positioning rod, and the free end of the movable support rod is hinged to the screw rod. By providing the movable support rod, a certain support effect can be provided between the support rod and the fixed rod, and the position of the second metal pipe can also be adjusted.
[0009] Preferably, a strip-shaped through groove is provided on the positioning rod along the length direction, a sliding sleeve is provided on the outer sliding sleeve of the positioning rod, a circular through hole corresponding to the strip-shaped through groove is provided on the sliding sleeve, bolts are provided in the strip-shaped through groove and the circular through hole, and a movable nut is provided on one end of the bolt. The position of the sliding sleeve can be moved by loosening the movable nut, so that the position of the sliding sleeve can be adjusted according to the position of the screw rod. After fixing the second metal pipe and determining the position of the sliding sleeve, tighten the movable nut to fix the sliding sleeve on the positioning rod. Of course, matching small concave-convex surfaces are provided on the contact surface of the sliding sleeve and the positioning rod, and the sliding sleeve is made of a material with a certain elastic deformation, thereby ensuring the reliability of the connection between the two.
[0010] Preferably, a support ear is fixed outside the sliding sleeve, one end of the movable support rod is hinged to the support ear, and the other end of the movable support rod is hinged to a connecting rod sleeved on the screw rod.
[0011] Preferably, the connecting rod is provided with a first through hole cooperating with the screw rod, and one end of the connecting rod is provided with a second through hole hinged to the movable strut, and the axial center lines of the first through hole and the second through hole are perpendicular to each other.
[0012] Preferably, one side of the connecting rod is the fastening nut, the other side of the connecting rod is a washer arranged on the screw rod, and a reinforcing nut is arranged on the outer side of the washer. The washer can ensure that the connecting rod is in a relatively horizontal position, and the reinforcing nut is used to reinforce the connecting rod and the washer.
[0013] Preferably, a fixing hole is provided on the fixing rod, and a screw connected to the wall is provided in the fixing hole.
[0014] Preferably, the support rod and the fixing rod are both angle steels.
[0015] Preferably, a fixed strut is provided between the support rod and the fixed rod to further strengthen the support.
[0016] The beneficial effects of the utility model are:
[0017] By changing the original single-point support to a one-line plus two-line support, the contact points between the cable and the bracket are greatly increased, and the stress at the contact points between the cable and the bracket is greatly reduced, ensuring that the cable is evenly clamped, avoiding excessive single-point stress, and effectively avoiding the deformation of the cable caused by long-term high-temperature operation. At the same time, by setting a bar through hole and a screw, the second metal pipe can move with the movement of the screw, thereby changing the distance between the first metal pipe and the second metal pipe, so that the bracket can adapt to cables with different outer diameters, improving the versatility of the bracket. The metal heat dissipation pipe can integrate a temperature sensor inside, and can choose whether to actively dissipate heat as needed, which improves the flexibility and efficiency of heat dissipation. Therefore, the design of the metal heat dissipation pipe enhances the heat dissipation performance of the cable, extends the service life of the cable, and improves the current carrying capacity of the cable. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the installation structure of a specific implementation of the cable heat dissipation bracket of the utility model;
[0019] Figure 2 It is a front view and a top view schematic diagram of a specific implementation method of the cable heat dissipation bracket of the utility model;
[0020] Figure 3 yes Figure 2 A schematic diagram of the partially enlarged structure at center A;
[0021] Figure 4 It is a front view and a top view of the connecting rod of the cable heat dissipation bracket of the utility model;
[0022] Figure 5 yes Figure 2 Schematic diagram of the local enlarged structure at point B in the middle.
[0023] In the above drawings: 1. support rod; 11. strip through hole; 2. fixing rod; 31. first metal pipe; 32. second metal pipe; 321. screw rod; 322. fastening nut; 323. gasket; 324. reinforcement nut; 4. support plate; 5. positioning rod; 51. strip through groove; 511. bolt; 512. movable nut; 52. sliding sleeve; 521. support ear; 6. movable support rod; 7. connecting rod; 71. first through hole; 72. second through hole; 8. wall; 9. cable. DETAILED DESCRIPTION
[0024] The present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific manner, and therefore cannot be understood as a limitation on the present invention. The terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0025] like Figure 1 and Figure 2 As shown, the utility model provides a cable heat dissipation bracket, including a support rod 1 and a fixing rod 2 whose ends are perpendicular to each other and fixedly connected, the outer side surface of the support rod 1 is provided with a first metal pipe 31 and a second metal pipe 32 which are parallel to each other; the first metal pipe 31 is fixedly connected to the support rod 1; the support rod 1 is provided with a strip through hole 11 along the length direction, and the second metal pipe 32 is fixed with a screw 321 which is slidably matched with the strip through hole 11, and one end of the screw 321 passing through the strip through hole 11 is matched with a fastening nut 322.
[0026] When the cable heat dissipation bracket of the utility model is in use, the fixing rod 2 is used to connect with the wall 8, and the bracket is fixed on the wall 8. The support rod 1 is used to provide basic support for the cable. The first metal pipe 31 and the second metal pipe 32 are respectively arranged on both sides of the support rod 1, and the cable is clamped by two metal pipes. Thus, the original single-point support is changed into a line support where the support rod 1 contacts the cable, and the first metal pipe 31 and the second metal pipe 32 are respectively in contact with the cable. The line support of two lines, thereby greatly increasing the contact points between the cable and the bracket. In addition, the metal pipe mainly plays the role of supporting the cable when the internal liquid does not flow. The metal pipe is integrated with a temperature sensor, and whether to actively dissipate heat can be selected through the control system according to the actual temperature of the cable. The active heat dissipation method may include but is not limited to air cooling, liquid cooling, etc. When necessary, such as when the internal temperature sensor reaches the set temperature, the cable can be forced to cool. On the other hand, by setting the strip-shaped through hole 11 and the screw 321, after loosening the fastening nut 322, the screw 321 can be moved in the strip-shaped through hole 11, thereby moving the position of the second metal pipe 32 in parallel, and then adjusting the distance between the first metal pipe 31 and the second metal pipe 32 to adapt to cables with different outer diameters.
[0027] In the above embodiments, by changing the original single-point support into a one-line plus two-line support, the contact points between the cable and the bracket are greatly increased, the stress at the contact points between the cable and the bracket is greatly reduced, and the cable 9 is ensured to be evenly clamped, avoiding excessive single-point stress, and effectively avoiding the deformation of the cable due to long-term high-temperature operation. At the same time, by setting the bar-shaped through hole 11 and the screw 321, the second metal pipe 32 can move with the movement of the screw 321, thereby changing the distance between the first metal pipe 31 and the second metal pipe 32, so that the bracket can adapt to cables with different outer diameters, thereby improving the versatility of the bracket. The metal heat dissipation pipe can be integrated with a temperature sensor to select whether to actively dissipate heat as needed, thereby improving the flexibility and efficiency of heat dissipation. Therefore, the design of the metal heat dissipation pipe enhances the heat dissipation performance of the cable, extends the service life of the cable, and improves the current carrying capacity of the cable.
[0028] like Figure 2 As shown, the first metal pipe 31 is located at one end close to the fixed rod 2, which facilitates the movement of the second metal pipe 32. In order to strengthen the strength of the support frame, the free end of the fixed rod 2 is connected with a support sheet 4, the support sheet 4 is parallel to the support rod 1, and a positioning rod 5 parallel to the fixed rod 2 is provided between the support sheet 4 and the support rod 1. A movable support rod 6 that can slide along the positioning rod 5 is hinged on the positioning rod 5, and the free end of the movable support rod 6 is hinged to the screw rod 321. By setting the movable support rod 6, a certain support effect can be provided between the support rod 1 and the fixed rod 2, and the position of the second metal pipe 32 can also be adjusted.
[0029] like Figure 2 and Figure 5 As shown, specifically, a strip-shaped through groove 51 is provided on the positioning rod 5 along the length direction, a sliding sleeve 52 is provided on the outside of the positioning rod 5, a circular through hole corresponding to the strip-shaped through groove 51 is provided on the sliding sleeve 52, a bolt 511 is provided in the strip-shaped through groove 51 and the circular through hole, and a movable nut 512 is provided on one end or both ends of the bolt 511. A support ear 521 is fixed on the outside of the sliding sleeve 52, one end of the movable support rod 6 is hinged on the support ear 521, and the other end of the movable support rod 6 is hinged to the connecting rod 7 sleeved on the screw rod 321. The position of the sliding sleeve 52 can be moved by loosening the movable nut 512, so that the position of the sliding sleeve 52 can be adjusted according to the position of the screw rod 321. After the second metal pipe 32 is fixed and the position of the sliding sleeve 52 is determined, the movable nut 512 is tightened to fix the sliding sleeve 52 on the positioning rod 5. Of course, matching fine concave and convex surfaces are provided on the contact surfaces of the sliding sleeve 52 and the positioning rod 5. The sliding sleeve 52 is made of a material with a certain elastic deformation, thereby ensuring the reliability of the connection between the two.
[0030] like Figure 3 and Figure 4 As shown, the connecting rod 7 is provided with a first through hole 71 that matches with the screw rod 321, and one end of the connecting rod 7 is provided with a second through hole 72 that is hinged to the moving support rod 6, and the axial center lines of the first through hole 71 and the second through hole 72 are perpendicular to each other. One side of the connecting rod 7 is a fastening nut 322, and the other side of the connecting rod 7 is a gasket 323 disposed on the screw rod 321, and a reinforcing nut 324 is disposed on the outside of the gasket 323. The gasket 323 can ensure that the connecting rod 7 is in a relatively horizontal position, and the reinforcing nut 324 is used to reinforce the connecting rod 7 and the gasket 323.
[0031] Further, the support rod 1 and the fixing rod 2 are both angle steels, and a fixing hole is provided on the fixing rod 2, and a screw connected to the wall 8 is provided in the fixing hole. A fixing brace can also be provided between the support rod 1 and the fixing rod 2 to further strengthen the support.
[0032] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.
Claims
1. A cable heat dissipation bracket, characterized in that: The invention comprises a support rod (1) and a fixing rod (2) whose ends are fixedly connected to each other perpendicularly, wherein the outer side surface of the support rod (1) is provided with a first metal pipe (31) and a second metal pipe (32) which are parallel to each other; the first metal pipe (31) is fixedly connected to the support rod (1); the support rod (1) is provided with a strip-shaped through hole (11) along the length direction, and the second metal pipe (32) is fixed with a screw rod (321) which is slidably matched with the strip-shaped through hole (11), and one end of the screw rod (321) which passes through the strip-shaped through hole (11) is matched with a fastening nut (322).
2. The cable heat dissipation bracket according to claim 1, characterized in that: The first metal pipe (31) is located at one end close to the fixing rod (2).
3. The cable heat dissipation bracket according to claim 2, characterized in that: The free end of the fixed rod (2) is connected to a support plate (4), a positioning rod (5) parallel to the fixed rod (2) is provided between the support plate (4) and the support rod (1), a movable support rod (6) is hinged on the positioning rod (5) and can slide along the positioning rod (5), and the free end of the movable support rod (6) is hinged to the screw rod (321).
4. The cable heat dissipation bracket according to claim 3, characterized in that: The positioning rod (5) is provided with a strip-shaped through groove (51) along the length direction; a sliding sleeve (52) is provided on the outer sliding sleeve of the positioning rod (5); a circular through hole corresponding to the strip-shaped through groove (51) is provided on the sliding sleeve (52); bolts (511) are provided in the strip-shaped through groove (51) and the circular through hole; and a movable nut (512) is sleeved on the bolt (511).
5. The cable heat dissipation support according to claim 4, characterized in that: A support ear (521) is fixed outside the sliding sleeve (52), one end of the movable support rod (6) is hinged on the support ear (521), and the other end of the movable support rod (6) is hinged to a connecting rod (7) sleeved on the screw rod (321).
6. The cable heat dissipation support according to claim 5, characterized in that: The connecting rod (7) is provided with a first through hole (71) cooperating with the screw rod (321), and one end of the connecting rod (7) is provided with a second through hole (72) hingedly connected to the movable support rod (6), and the axial center lines of the first through hole (71) and the second through hole (72) are perpendicular to each other.
7. The cable heat dissipation support according to claim 5, characterized in that: One side of the connecting rod (7) is the fastening nut (322), and the other side of the connecting rod (7) is a washer (323) arranged on the screw rod (321), and a reinforcing nut (324) is arranged on the outer side of the washer (323).
8. The cable heat dissipation support according to claim 1, characterized in that: The fixing rod (2) is provided with a fixing hole, and a screw connected to the wall (8) is provided in the fixing hole.
9. The cable heat dissipation support according to claim 1, characterized in that: The support rod (1) and the fixing rod (2) are both angle steels.
10. The cable heat dissipation support according to claim 1, characterized in that: A fixed support rod is provided between the support rod (1) and the fixed rod (2).