CN214013731U - High-voltage cable reservation frame used in box girder - Google Patents
High-voltage cable reservation frame used in box girder Download PDFInfo
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- CN214013731U CN214013731U CN202023247760.2U CN202023247760U CN214013731U CN 214013731 U CN214013731 U CN 214013731U CN 202023247760 U CN202023247760 U CN 202023247760U CN 214013731 U CN214013731 U CN 214013731U
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Abstract
The utility model discloses an use high tension cable reservation frame in case roof beam, wherein, high tension cable reservation frame includes: the device comprises a cross brace, a fixed base and a clamp; the fixed base and the cross brace are integrated into a whole and are T-shaped; the fixed base fixedly connects the high-voltage cable reservation frame with the box girder; at least 1 clamp is arranged on the cross brace; the clamp is used for installing a high-voltage cable; at least 3 high tension cable reservation frame fall by mistake and install in the case roof beam for install the high tension cable who reserves the frame at least 3 high tension cable and be snakelike. The problem of among the prior art power cable lay in high-speed railway case roof beam, can not satisfy the cable run and adopt snakelike mode of laying for cable run expend with heat and contract with cold leads to the cable run security lower, and steady operation can not obtain the guarantee. Through using the utility model discloses, make high tension cable not need the headspace when case roof beam is inside to be laid, make high tension cable snakelike laying simultaneously, ensured cable run safety, stability.
Description
Technical Field
The utility model relates to the technical field of machinery, concretely relates to use high tension cable reservation frame in case roof beam.
Background
High-speed railway electric power through line generally adopts full cable run in traditional technology, follows the power cable groove mode of laying that road bed, bridge tunnel both sides were reserved respectively, but cable conductor temperature rise can appear in the cable run that cable conductor changes and leads to along with load change under the general condition expend with heat and contract with cold's problem, takes snakelike laying in order to solve this problem cable run. The snakelike cable run that lays can effectively absorb the cable run length change that expend with heat and contract with cold and arouse prevents that cable run joint, terminal, metal sheath and cable subsidiary facility from being damaged, guarantees cable run's safe operation.
At present, when a power cable is laid in a box girder of a high-speed railway, the inner corner and the expansion joint of the box girder are more, a reserved cable channel in the box girder is narrow, the condition that a cable line adopts a snake-shaped laying mode cannot be met, and the safety and the stable operation of the cable line cannot be guaranteed.
When laying to power cable among the prior art in the high-speed railway case roof beam, because case roof beam inner corner and expansion joint are more, and reserve the cable channel in the case roof beam narrowly, can not satisfy the cable run and adopt snakelike mode of laying, and then can not solve because cable run expend with heat and contract with cold and lead to the cable run security lower, the problem that steady operation can not be ensured, has not yet provided effectual solution.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides an use high tension cable reservation frame in case roof beam to when solving among the prior art power cable and laying in the high-speed railway case roof beam, because case roof beam inner corner and expansion joint are more, and it is narrow to reserve cable channel in the case roof beam, can not satisfy cable run and adopt snakelike mode of laying, and then can not solve because cable run expend with heat and contract with cold and lead to that cable run security is lower, the steady operation can not obtain the problem of guarantee.
Therefore, the embodiment of the utility model provides a following technical scheme:
the utility model discloses an aspect provides an use high tension cable reservation frame in case roof beam, include: the device comprises a cross brace, a fixed base and a clamp;
the fixed base and the cross brace are integrated into a whole and are T-shaped; the fixed base fixedly connects the high-voltage cable reserved rack with the box girder;
at least 1 clamp is arranged on the cross brace; the clamp is used for mounting a high-voltage cable;
at least 3 the high tension cable reservation frame is arranged in the case roof beam by mistake for the high tension cable who installs at least 3 high tension cable reservation frames is snakelike.
Optionally, the high-voltage cable reservation frame for the box girder further includes:
the clamp comprises a first portion and a second portion; the first part comprises a first arc-shaped structure and a connecting part, and the connecting part is fixedly connected with the cross brace; the second portion includes a second arcuate structure.
Optionally, the high-voltage cable reservation frame for the box girder further includes:
the first portion is slidably coupled to the second portion.
Optionally, the high voltage cable reservation frame for use in the box girder further includes:
grooves are formed in two ends of the first arc-shaped structure, and bulges are formed in two ends of the second arc-shaped structure; the groove is matched with the protrusion.
Optionally, the high-voltage cable reservation frame for the box girder further includes:
the first arcuate structure comprises a first hook structure and a second hook structure; the first hook-like structure comprises a first groove and a first protrusion; the second hook structure comprises a second groove and a second protrusion;
the second arcuate structure comprises a third hook structure and a fourth hook structure; the third hook-like structure comprises a third groove and a third protrusion; the fourth hook structure comprises a fourth groove and a fourth protrusion;
the first hook structure is slidably coupled to the third hook structure and the second hook structure is slidably coupled to the fourth hook structure.
Optionally, the high-voltage cable reservation frame for the box girder further includes:
the second portion further comprises a bolt and a nut;
the middle position of second arc structure is provided with the circular port, the nut install in the corresponding position of circular port, the bolt can pass the nut with the circular port for fix high tension cable in anchor clamps.
Optionally, the high-voltage cable reservation frame for the box girder further includes:
the connecting part is of a pi-shaped structure, and the pi-shaped structure comprises a first supporting leg, a second supporting leg and a transverse plate; the first supporting leg and the second supporting leg of the pi-shaped structure are fixedly connected with two ends of the first arc-shaped structure; the transverse plate is fixedly connected with the cross brace.
Optionally, the high-voltage cable reservation frame for the box girder further includes:
and a leather pad is arranged between the clamp and the high-voltage cable.
The embodiment of the utility model provides a technical scheme has following advantage:
the embodiment of the utility model provides an use high tension cable reservation frame in case roof beam, wherein, this high tension cable reservation frame includes: the device comprises a cross brace, a fixed base and a clamp; the fixed base and the cross brace are integrated into a whole and are T-shaped; the fixed base fixedly connects the high-voltage cable reservation frame with the box girder; at least 1 clamp is arranged on the cross brace; the clamp is used for installing a high-voltage cable; at least 3 high tension cable reservation frame fall by mistake and install in the case roof beam for install the high tension cable who reserves the frame at least 3 high tension cable and be snakelike. The problem of among the prior art power cable lay in high-speed railway box girder, because box girder inner corner and expansion joint are more, and reserve the cable channel narrowly in the box girder, can not satisfy cable run and adopt snakelike mode of laying is solved for cable run expend with heat and contract with cold leads to the cable run security lower, and steady operation can not obtain the guarantee. Through using the utility model discloses use high tension cable reservation frame in the case roof beam for high tension cable does not need the headspace when the case roof beam is inside to be laid, makes high tension cable snakelike laying simultaneously, has ensured cable run safety, stability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a high-voltage cable reservation rack used in a box girder according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a clamp for a high-voltage cable preformed frame in a box girder according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a first part of a clamp for a high-voltage cable preformed frame in a box girder according to an embodiment of the invention;
fig. 4 is a schematic structural view of a second part of the clamp for the high-voltage cable preformed frame in the box girder according to the embodiment of the invention;
fig. 5 is according to the utility model discloses use high tension cable reservation frame installation schematic diagram in case roof beam.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the application. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present application may be practiced without these specific details. In other instances, well-known structures and processes are not set forth in detail in order to avoid obscuring the description of the present application with unnecessary detail. Thus, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
According to the embodiment of the utility model provides an with embodiment of high tension cable reservation frame in case roof beam, it is explicated that, the quantity of high tension cable reservation frame when the structure chart of drawing has shown the quantity of anchor clamps and installation, but under some circumstances, can be different from the quantity of this department anchor clamps and the quantity of high tension cable reservation frame when installing.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Provide a high tension cable reservation frame in case roof beam in this embodiment, can be used to cable laying, figure 1 is the basis the utility model discloses a structure chart of high tension cable reservation frame is used to the case roof beam in, as shown in figure 1, this high tension cable reservation frame includes following structure: the device comprises a fixed base 1, a cross brace 2 and a clamp 3. The fixed base 1 and the cross brace 2 are integrated into a whole and are T-shaped; the fixed base 1 fixedly connects the high-voltage cable reservation frame with the box girder. Specifically, unable adjustment base 1 and stull 2 form a whole through the welded mode for the difficult not hard up of high tension cable reservation frame stable in structure. In addition, the fixed base 1 is installed in the box girder in a screw mode, so that the high-voltage cable reservation frame is convenient to install and does not need complex operation.
At least 1 clamp 3 is mounted to the wale 2. The clamp 3 is used for mounting a high-voltage cable. Specifically, can install a plurality of anchor clamps on the stull for a high tension cable reservation frame can press from both sides tight many high tension cables simultaneously, and the staff of being convenient for lays high tension cable.
At least 3 high tension cable reservation frame fall by mistake and install in the case roof beam for install the high tension cable who reserves the frame at least 3 high tension cable and be snakelike. The snakelike laying of high-voltage cable has been realized through high-voltage cable reservation frame for high-voltage cable can not lead to high-voltage cable to receive the damage when causing cable length to change owing to expend with heat and contract with cold, ensures high-voltage cable line safety and stable operation.
When carrying out high tension cable and laying in the case roof beam among the conventional art, adopt the mode of reserving the cable duct to lay usually, but because case roof beam inner corner and expansion joint are more, and reserve the cable duct narrowly in the case roof beam for high tension cable can not snakelike laying, and then the safety and the stability of high tension cable line operation can not obtain the guarantee. Through the interior high tension cable reservation frame that uses of above-mentioned case roof beam the embodiment of the utility model provides an in adopt a plurality of high tension cable reservation frames of straggly installation for high tension cable can carry out snakelike laying. The difference and the cable duct laying method in advance among the prior art, the embodiment of the utility model provides a press from both sides tight high tension cable through anchor clamps 3 in reserving a frame installation case roof beam with high tension cable for high tension cable can snakelike laying. The problem of among the prior art power cable lay in high-speed railway box girder, because box girder inner corner and expansion joint are more, and reserve the cable channel in the box girder narrowly, can not satisfy cable run and adopt snakelike mode of laying, and then can not solve because cable run expend with heat and contract with cold and lead to that cable run security is lower, steady operation can not obtain the guarantee is solved. Through using the utility model discloses use high tension cable reservation frame in the case roof beam for high tension cable does not need the headspace when the case roof beam is inside to be laid, makes high tension cable snakelike laying simultaneously, has ensured cable run safety, stability.
To illustrate the clamp 3 of the present invention, in an alternative embodiment, the clamp includes a first portion 4 and a second portion 5, as shown in fig. 2. The first portion 4 comprises a first arcuate structure 6 and a connecting member 7, the connecting member 7 being fixedly connected to the wale 2, as shown in fig. 3. The second portion 5 comprises a second arcuate structure 17, as shown in fig. 4. Specifically, the high voltage cable is clamped by the connection of the first portion 4 of the clamp 3 and the second portion 5 of the clamp 3, and because the high voltage cable is generally cylindrical, the first portion 4 and the second portion 5 of the clamp each include an arcuate configuration so that the high voltage cable can be clamped without causing damage to the high voltage cable. The first arc-shaped structure 6 is fixedly connected with the connecting part 7, and the cross brace 2 is connected through screws, so that the first part 4 of the clamp 3 can be stably placed.
To further illustrate the clamp 3 of the present invention, in an alternative embodiment, the first portion 4 is slidably connected to the second portion 5. The second part 5 of the clamp 3 is made detachable by the sliding connection of the first part 4 with the second part 5, which facilitates the installation of high voltage cables and the subsequent maintenance.
To illustrate that the first and second parts 4 and 5 of the clamp 3 are slidably connected, in an alternative embodiment the first arcuate formation 6 is provided with recesses 11 and 13 at each end and the second arcuate formation 17 is provided with projections 20 and 21 at each end. The groove is matched with the bulge. In particular, the first part 4 and the second part 5 of the clamp 3 are combined by sliding the protrusions 20 and 21 at the two ends of the second arc-shaped structure 17 into the grooves 11 and 13 at the two ends of the first arc-shaped structure, and the second part 5 of the clamp 3 is disassembled by sliding the protrusions 20 and 21 at the two ends of the second arc-shaped structure out of the grooves 11 and 13 at the two ends of the first arc-shaped structure, so that the clamp 3 is very flexible in application. In addition, the first part 4 and the second part 5 of the clamp 3 can be prevented from being disengaged due to the matching use of the groove and the protrusion.
In an alternative embodiment, as shown in fig. 3 and 4, the first arcuate structure 6 includes a first hook structure 15 and a second hook structure 16. The first hook-like structure 15 comprises a first recess 11 and a first protrusion 12. The second hook formation 16 comprises a second recess 13 and a second projection 14. The second arcuate structure 17 includes a third hook structure 22 and a fourth hook structure 23. The third hook-like structure 22 comprises a third recess 18 and a third protrusion 20. The fourth hook-like formation 23 comprises a fourth recess 19 and a fourth protrusion 21. The first hook 15 is slidably connected to the third hook 22 and the second hook 16 is slidably connected to the fourth hook 23. In particular, the present invention is implemented by the first and second arc structures including the first and second hook structures 15 and 16 and the third and fourth hook structures 22 and 23 cooperating with each other, so that the second portion 5 of the clamp 3 can be detached and the installation of the high voltage cable can be facilitated. In addition, the first part 4 and the second part 5 of the clamp 3 can be prevented from being always connected in a sliding way and can not be separated due to the hook-shaped structure. It should be understood by those skilled in the art that the sliding connection scheme in the above embodiments of the present invention is not limited to the present invention, and other sliding connection schemes are within the scope of the present invention.
To illustrate the case where the diameter of the high voltage cable is smaller than the diameter of the clamp 3, in an alternative embodiment, the second part 5 of the clamp 3 further comprises a bolt 24 and a nut 25, as shown in fig. 4. The second arc-shaped structure 17 is provided at a middle position with a circular hole 26, a nut 25 is mounted at a corresponding position of the circular hole 26, and a bolt 24 can pass through the nut 25 and the circular hole 26 for fixing the high-voltage cable in the clamp. Specifically, the bolt 24 and the nut 25 are fitted, and the inner diameter of the nut 25 is the same as the diameter of the circular hole 26 of the second arc structure 17. The bolt 24 in the second part 5 of the clamp 3 is used for resisting the high-voltage cable in the clamp 3, and particularly when the diameter of the high-voltage cable is smaller than the inner diameter of the clamp 3, the bolt 24 can fix the high-voltage cable in the clamp 3, and the high-voltage cable is ensured to run safely and reliably. In addition, when the bolt 3 is used to support the high-voltage cable, a protective leather pad 27 is required to be added between the bolt 3 and the high-voltage cable, so that the bolt 24 does not damage the high-voltage cable. It should be understood by those skilled in the art that the bolt 24 and the nut 25 are not limited to the high voltage cable, and other methods for supporting the cable are within the scope of the present invention, for example, installing a spring in the clamp 3, and supporting the high voltage cable by the elastic force of the spring.
To illustrate the connecting member 7 in the first portion 4 of the clamp 3, in an alternative embodiment, as shown in fig. 3, the connecting member 7 is a pi-shaped structure comprising a first leg 8 and a second leg 9 and a cross plate 10. The first leg 8 and the second leg 9 of the pi-shaped structure are fixedly connected with two ends of the first arc-shaped structure 6. The transverse plate 10 is fixedly connected with the cross brace 2. The wale 2 is connected to the first arc-shaped structure 6 by this connecting member 7 so that the clip 3 can be mounted on the wale 2. Because the connecting part 7 is of a pi-shaped structure, the first part 4 of the clamp 3 is stably connected with the cross brace 2, and the problem that the clamp 3 falls off cannot occur. It will be appreciated by those skilled in the art that the pi-shaped connecting portion 7 is not intended to limit embodiments of the present invention, and that other shapes of the connecting portion 7 are within the scope of the present invention, such as, for example, a concave body structure securing clip 3 to the first portion 4.
In an alternative embodiment, a leather pad is placed between the clamp 3 and the high-voltage cable, which can protect the high-voltage cable in the clamp 3 and prevent the high-voltage cable from being damaged.
To further illustrate the installation situation of the high-voltage cable reservation frames, in an alternative implementation, as shown in fig. 5, 3 high-voltage cable reservation frames 28 are taken as a group, the 3 high-voltage cable reservation frames 28 are installed on the side wall of the inner cavity of the box girder, and the 3 high-voltage cable reservation frames are placed in a staggered manner, so that the high-voltage cables 29 installed on the high-voltage cable reservation frames are in a serpentine shape, and the problem of serpentine laying of the high-voltage cables is solved.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (8)
1. The utility model provides a use high tension cable reservation frame in case roof beam which characterized in that includes: fixing a base, a cross brace and a clamp;
the fixed base and the cross brace are integrated into a whole and are T-shaped; the fixed base fixedly connects the high-voltage cable reserved rack with the box girder;
at least 1 clamp is arranged on the cross brace; the clamp is used for mounting a high-voltage cable;
at least 3 the high tension cable reservation frame is arranged in the case roof beam by mistake for the high tension cable who installs at least 3 high tension cable reservation frames is snakelike.
2. The high-voltage cable reservation frame for use in box girders according to claim 1, comprising:
the clamp comprises a first portion and a second portion; the first part comprises a first arc-shaped structure and a connecting part, and the connecting part is fixedly connected with the cross brace; the second portion includes a second arcuate structure.
3. A high-voltage cable reservation rack for inside box girders according to claim 2,
the first portion is slidably coupled to the second portion.
4. The high-voltage cable reservation frame for use in box girders according to claim 3, comprising:
grooves are formed in two ends of the first arc-shaped structure, and bulges are formed in two ends of the second arc-shaped structure; the groove is matched with the protrusion.
5. The high-voltage cable reservation frame for use in box girders according to claim 3, comprising:
the first arcuate structure comprises a first hook structure and a second hook structure; the first hook-like structure comprises a first groove and a first protrusion; the second hook structure comprises a second groove and a second protrusion;
the second arcuate structure comprises a third hook structure and a fourth hook structure; the third hook-like structure comprises a third groove and a third protrusion; the fourth hook structure comprises a fourth groove and a fourth protrusion;
the first hook structure is slidably coupled to the third hook structure and the second hook structure is slidably coupled to the fourth hook structure.
6. The high-voltage cable reservation frame for use in box girders according to claim 2, comprising:
the second portion further comprises a bolt and a nut;
the middle position of second arc structure is provided with the circular port, the nut install in the corresponding position of circular port, the bolt can pass the nut with the circular port for fix high tension cable in anchor clamps.
7. The high-voltage cable reservation frame for use in box girders according to claim 2, comprising:
the connecting part is of a pi-shaped structure, and the pi-shaped structure comprises a first supporting leg, a second supporting leg and a transverse plate; the first supporting leg and the second supporting leg of the pi-shaped structure are fixedly connected with two ends of the first arc-shaped structure; the transverse plate is fixedly connected with the cross brace.
8. The high-voltage cable reservation frame for use in box girders according to claim 1, comprising:
and a leather pad is arranged between the clamp and the high-voltage cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023247760.2U CN214013731U (en) | 2020-12-29 | 2020-12-29 | High-voltage cable reservation frame used in box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023247760.2U CN214013731U (en) | 2020-12-29 | 2020-12-29 | High-voltage cable reservation frame used in box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214013731U true CN214013731U (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023247760.2U Active CN214013731U (en) | 2020-12-29 | 2020-12-29 | High-voltage cable reservation frame used in box girder |
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| Country | Link |
|---|---|
| CN (1) | CN214013731U (en) |
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2020
- 2020-12-29 CN CN202023247760.2U patent/CN214013731U/en active Active
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