Calibration and installation device for high-voltage cable terminal

Abstract

The utility model provides a high-voltage cable terminal calibration and installation device, and belongs to the technical field of high-voltage and ultrahigh-voltage cable construction engineering. The device comprises a frame body, an adjustable calibration part, a locking part and a guide wheel, the device is fixed at the position of the end part of a cable terminal through the mounting of the fixing seat of the frame body, the adjustable calibration part is operated to enable the device to adapt to different GIS gas bin sizes, and the device is fixed through the locking part. In the installation process, the cable terminal flexibly moves in the air bin through the supporting and guiding effects of the guide wheels. According to the device, when the cable terminal is installed in the narrow GIS gas bin, enough support can be provided, the collision damage risk of the cable terminal and the GIS gas bin is eliminated, meanwhile, the adjustable calibration part can ensure that the cable terminal is always located in the center of the GIS gas bin, and the accuracy and reliability of the installation position are kept.

Description

TECHNICAL FIELD

[0001] The utility model belongs to high pressure, superhigh pressure cable construction engineering technical field especially relates to a high voltage cable terminal calibration installation device. BACKGROUND

[0002] The statements in this section merely provide background information related to the utility model and do not necessarily constitute prior art.

[0003] At present, high voltage cable system is increasing in domestic large-scale engineering. The reliability of cable terminal installation in high voltage cable system determines the operation reliability of high voltage cable system. In actual engineering, the connection of cable terminal and GIS is generally carried out in the GIS air chamber. The high voltage cable terminal is arranged at the end of the cable, is wholly sleeved on the cable, and both maintain concentricity. Due to the structural characteristics of the cable terminal, the self weight is large, and in the installation process, due to the gravity center of the cable terminal being located at the cable end, the cable is prone to bending deformation, thereby making the cable terminal deviate from the center of the GIS air chamber. The installation process is limited by the narrow space of the air chamber, and the construction personnel cannot apply support to the cable terminal, and in the installation process, one end of the cable terminal is prone to collision with the inner wall of the GIS air chamber, and in severe cases, the cable terminal can be damaged, and meanwhile, the cable terminal is prone to deviating from the predetermined installation direction in the moving process, needs to be readjusted, and the installation efficiency is greatly reduced, and the operation complexity is high. Therefore, how to guarantee the position of the cable terminal in the installation process and eliminate the influence of the deformation of the cable terminal under the force of one end on the installation, and guarantee the installation precision of the cable terminal become the key and difficulty in the installation process of the cable terminal. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the problems that the cable terminal is not controlled, is not supported, is prone to deviating from the center of the GIS air chamber and the like in the installation process in the GIS air chamber, and provide safer and more reliable installation equipment support for the installation personnel. The utility model provides a high voltage cable terminal calibration installation device to solve the above problems.

[0005] In order to achieve the above-mentioned purposes, the utility model adopts the following technical scheme:

[0006] The utility model provides a high voltage cable terminal calibration installation device, which comprises a frame body, an adjustable calibration part, a locking part and a guide wheel.

[0007] The bottom of the frame body is a fixed seat, bolt holes are formed in the fixed seat and the corresponding position of the cable terminal, and the fixed seat and the cable terminal are fixed through bolts.

[0008] The top of the frame body is a disc structure, and a guide groove is arranged in the disc structure.

[0009] The number of the guide grooves is at least three, and all the guide grooves are arranged on the disc structure in a symmetrical manner with the center of the disc structure as a reference point;

[0010] The number of the adjustable calibration parts is at least three, and each of the adjustable calibration parts comprises a guide shaft;

[0011] The adjustable calibration part can slide in the corresponding guide groove without rotating through the guide shaft;

[0012] Each of the adjustable calibration parts further comprises a locking slot;

[0013] The locking part is composed of a plurality of locking bolts, and at least one of the locking bolts is arranged above the locking slot on the disc structure;

[0014] The guide wheel is fixedly installed on the adjustable calibration part.

[0015] In a further scheme, the cross-sectional structure of the guide shaft is consistent with the cross-sectional structure of the guide groove, and both are in a waist-shaped structure.

[0016] In a further scheme, the locking slot is a concave-convex structure on the plane of the guide shaft.

[0017] In a further scheme, when the locking bolt is tightened, the locking bolt exerts pressure on the locking slot to lock the adjustable calibration part.

[0018] In a further scheme, the guide wheel comprises a support and a rotating wheel, the guide wheel is fixedly installed on the support, and the support is fixedly installed on the front end of the guide shaft of the adjustable calibration part.

[0019] In a further scheme, the fixed seat and the disc structure are connected through a connecting rod.

[0020] In a further scheme, the guide wheel is a directional guide wheel, and the installation direction of the guide wheel is consistent with the movement direction of the cable terminal.

[0021] In a further scheme, the guide wheel comprises a rotating wheel and a wheel support, and the rotating wheel is installed on the wheel support.

[0022] In a further scheme, the wheel support is fixedly installed on the guide shaft.

[0023] In a further scheme, the disc structure is provided with a bolt hole corresponding to the locking bolt.

[0024] The technical scheme of the utility model has the following beneficial effects:

[0025] 1, the utility model discloses the device is installed in the position of cable terminal end portion through fixed seat, and the operation adjustable type calibration portion is used to make the device adapt to different GIS gas warehouse, and is fixed through locking portion. In the installation process, the support and the guiding effect of the guide wheel make the cable terminal move flexibly in the gas warehouse;The device can provide sufficient support when installing the cable terminal in the narrow GIS gas warehouse, eliminate the collision damage risk of the cable terminal and the GIS gas warehouse, and the adjustable type calibration portion can ensure that the cable terminal is always in the center of the GIS gas warehouse, and the installation position is accurate and reliable.

[0026] 2, the device simple structure, economy is good, and the occupied space is small, and the structure is reasonable, and the matching is strong, and is convenient to install and use. Can be applied to the cable terminal installation of various voltage grades, various GIS structures. When installing the cable terminal, it is convenient to carry, and it is convenient to disassemble and assemble, and it can be completed in a short time, improve the work efficiency, and reliably guarantee the installation quality of the cable terminal.

[0027] The advantages of the additional aspects of the utility model will be partially given in the following description, some will become apparent from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0028] The drawings accompanying the specification of the utility model form a part of the utility model and serve to provide further understanding of the utility model, and the illustrative embodiments of the utility model and the description thereof serve to explain the utility model, and do not constitute improper limitation on the utility model.

[0029] Figure 1 It is the schematic diagram of the utility model in the installation process.

[0030] Figure 2 It is the schematic diagram of the overall structure of two different angles of the utility model.

[0031] Figure 3 It is the schematic diagram of the guide groove section of two different angles of the utility model.

[0032] Figure 4 It is the connection schematic diagram of the adjustable type calibration portion and the guide wheel of two different angles of the utility model.

[0033] Mark in the drawing: 1, frame body, 101, fixed seat, 102, connecting rod, 103, disc structure, 104, guide groove, 2, adjustable type calibration portion, 201, guide shaft, 202, locking slot, 3, locking portion, 4, guide wheel, 401, rotating wheel, 402, wheel frame, 5, cable terminal, 6, GIS gas warehouse. DETAILED DESCRIPTION

[0034] It should be noted that the following detailed description is exemplary and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains.

[0035] It should be noted that the terminology used herein is for the purpose of describing particular implementations only and is not intended to limit the exemplary implementations according to this utility model.

[0036] Where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other.

[0037] The overall concept proposed by this utility model is as follows:

[0038] The high-voltage cable terminal calibration and installation device provided by this utility model is installed at the end of the cable terminal 5. It is mounted on the end of the cable terminal 5 via the fixing seat 101 of the frame 1. After both are fixed, the adjustable calibration section 2 is adjusted to accommodate different GIS gas chamber 6 sizes. After adjusting to a suitable length, the adjustable calibration section 2 is fixed by the locking section 3. During installation, the cable terminal 5 moves flexibly within the gas chamber thanks to the support and guidance of the guide wheels 4. This device provides sufficient support for the cable terminal 5 when installed in the narrow GIS gas chamber 6, eliminating the risk of collision damage between the cable terminal 5 and the GIS gas chamber 6. Simultaneously, the adjustable calibration section 2 ensures that the cable terminal 5 remains centered within the GIS gas chamber 6, maintaining accurate and reliable installation.

[0039] This utility model discloses a high-voltage cable terminal calibration and installation device;

[0040] like Figures 1 to 4 As shown, a high-voltage cable terminal calibration and installation device includes:

[0041] Includes frame 1, adjustable calibration unit 2, locking unit 3, and guide wheel 4;

[0042] The bottom of the frame is a fixed base 101, and bolt holes are opened at the corresponding positions of the fixed base 101 and the cable terminal 5. The fixed base 101 and the cable terminal 5 are fixed by bolts. The top of the frame 1 is a disc structure 103, and a guide groove 104 is provided in the disc structure 103.

[0043] The number of guide grooves 104 is at least three, and all guide grooves 104 are evenly distributed on the disk structure 103 with the center of the disk structure 103 as the reference point.

[0044] The number of adjustable calibration parts 2 is at least three, each adjustable calibration part 2 includes a guide shaft 201; the adjustable calibration part 2 can slide in the corresponding guide groove 104 without rotating; each adjustable calibration part 2 also includes a locking slot 202; the locking part 3 is composed of a plurality of locking bolts, at least one locking bolt is arranged on the disc structure 103 and directly above the locking slot 202; the guide wheel 4 is fixedly installed on the adjustable calibration part 2.

[0045] In some embodiments, as shown in Figure 1 The fixed seat 101 of the frame 1 and the corresponding position of the cable terminal 5 end are provided with at least two bolt holes, and the fixed seat 101 and the corresponding bolt hole of the cable terminal 5 end are screwed and fixed by the bolt to realize the fixation of the high-voltage cable terminal calibration installation device and the cable terminal 5. The frame 1 is manufactured by casting or welding + machining, and the frame 1 has sufficient strength to stably support other parts during installation operation. The fixed bolt hole at the bottom of the frame 1 is matched with the cable terminal 5 installation bolt hole to ensure the stability of the frame 1 installation.

[0046] As shown in Figure 2 The fixed seat 101 and the disc structure 103 are connected by the connecting rod 102. The frame 1 plays a supporting role, and the fixed seat 101 of the frame 1 is connected to the cable terminal 5 installation hole by a bolt.

[0047] As shown in Figure 3 The frame 1 is internally provided with a guide groove 104, and the structure section of the guide groove 104 is a waist-shaped hole to ensure that the adjustable calibration part 2 can smoothly slide without rotating, thereby ensuring the stability and reliability of the device during installation.

[0048] In some embodiments, as shown in Figure 4 The adjustable calibration part 2 includes a guide shaft 201 and a locking slot 202, the cross-sectional structure of the guide shaft 201 is consistent with the cross-sectional structure of the guide groove 104 of the frame 1, and both are waist-shaped structures, which can ensure that no rotation occurs during horizontal sliding. The guide shaft 201 of the adjustable calibration part 2 is used to slide and adjust the position of the guide wheel 4, and the locking slot 202 is a concave-convex structure on the plane of the guide shaft 201, which is used to improve the reliability during locking.

[0049] In some embodiments, as shown in Figure 2As shown, the locking portion 3 is composed of a plurality of locking bolts, at least one of which is arranged on the disc structure 103 directly above the locking slot 202, and in this embodiment, the number of locking bolts can be 9, with 3 arranged on the corresponding disc structure 103 above each locking slot 202, and the locking bolts are arranged along the direction of the locking slot, and the disc structure is provided with a bolt hole for tightening the locking bolt.

[0050] When the adjustable calibration portion 2 is adapted to the size of the GIS gas chamber 6 and is adjusted in place, the locking bolts are adjusted to press the locking slots 202 in the adjustable calibration portion 2, and the concave-convex design of the surface of the locking slot 202 can increase the friction with the locking bolt, thereby reliably locking the adjustable calibration portion 2, and the locking slot 202 cooperates with the locking portion 3 to play the role of the stop of the guide wheel 4.

[0051] In some embodiments, as shown, Figure 4 As shown, the guide wheel 4 includes a rotating wheel 401 and a wheel frame 402, the rotating wheel 401 is installed on the wheel frame 402, and the guide wheel 4 is a directional guide wheel, and the installation direction is consistent with the movement direction of the cable terminal. The wheel frame 402 can be installed on the front end of the guide shaft 201 of the adjustable calibration portion 2 by welding. When the adjustable calibration portion 2 is adjusted in place, the rotating wheel 401 of the guide wheel 4 reliably contacts the installation surface of the GIS gas chamber 6, and when the device is installed and moved, the guide wheel 4 moves along the installation direction, thereby playing the role of supporting and stabilizing the movement.

[0052] The device mainly functions to ensure that the position of the cable terminal 5 in the GIS gas chamber 6 is in the center of the gas chamber during installation of the high-voltage cable terminal 5, supports the end of the cable terminal 5, prevents unilateral suspension of the cable terminal 5, and ensures the safety and stability of the cable terminal 5 during installation.

[0053] The working principle of the utility model is as follows:

[0054] The bolt is passed through the frame body fixing seat and the bolt hole corresponding to the end of the cable terminal 5 and is tightened to fix the high-voltage cable terminal calibration installation device and the cable terminal 5. The adjustable calibration portion 2 is adjusted according to the size of the GIS gas chamber 6 to ensure that the cable terminal 5 is always located in the center of the GIS gas chamber 6. The guide shaft 201 of the adjustable calibration portion 2 is fixed by the locking bolt in the locking portion 3, so that the guide shaft 201 is fixed in position and does not slip, thereby keeping the position of the guide wheel 4 fixed; the wheel frame 402 in the guide wheel 4 supports the rotating wheel 401, and in the installation process of the cable terminal 5, the cable terminal 5 slides stably along the inner wall of the GIS gas chamber 6 along with the guide wheel 4.

[0055] The device can realize reliable support of the cable terminal in the GIS gas chamber during the cable terminal installation process, while ensuring installation position accuracy and stability during movement.

[0056] The device has the advantages of simple structure, good economy, small space occupation, reasonable structure, strong matching, and convenience in installation and use.

[0057] Although the specific embodiments of the utility model have been described in combination with the drawings, the description is not a limitation on the protection scope of the utility model, and those skilled in the art should understand that various modifications or changes made by those skilled in the art on the basis of the technical scheme of the utility model without creative labor are still within the protection scope of the utility model.

Claims

1. A high voltage cable termination calibration installation apparatus, characterized in that, The device comprises a frame, an adjustable calibration part, a locking part and a guide wheel. The bottom of the frame is a fixed seat, which is fixed with the end of the cable terminal. The top of the frame is a disc structure, and a guide groove is arranged in the disc structure. The number of the guide grooves is at least three, and all the guide grooves are arranged on the disc structure with the center of the disc structure as a reference point. The number of the adjustable calibration parts is at least three, and each adjustable calibration part comprises a guide shaft. The adjustable calibration part can slide in the corresponding guide groove without rotating through the guide shaft. Each adjustable calibration part further comprises a locking slot. The locking part is composed of a plurality of locking bolts, and at least one locking bolt is arranged above the locking slot on the disc structure. The guide wheel is fixedly installed on the adjustable calibration part.

2. A high voltage cable termination calibration mounting arrangement according to claim 1, characterised in that, The cross-sectional structure of the guide shaft is consistent with that of the guide groove, and both are a waist-shaped structure.

3. A high voltage cable termination calibration mounting arrangement as claimed in claim 1, characterised in that, The locking slot is a concave-convex structure on the plane of the guide shaft.

4. A high voltage cable termination calibration mounting arrangement as claimed in claim 1, characterised in that, When the locking bolt is tightened, the locking bolt exerts pressure on the locking slot to lock the adjustable calibration part.

5. A high voltage cable termination alignment mounting device as claimed in claim 1, wherein, The guide wheel comprises a support and a rotating wheel. The guide wheel is fixedly installed on the support. The support is fixedly installed on the front end of the guide shaft of the adjustable calibration part.

6. A high voltage cable termination calibration mounting arrangement as claimed in claim 1, characterised in that, The fixed seat and the disc structure are connected through a connecting rod.

7. A high voltage cable termination alignment mounting device as claimed in claim 1, wherein, The guide wheel is a directional guide wheel, and the installation direction is consistent with the movement direction of the cable terminal.

8. A high voltage cable termination calibration mounting arrangement as claimed in claim 1, characterised in that, The guide wheel comprises a rotating wheel and a wheel support, and the rotating wheel is installed on the wheel support.

9. A high voltage cable termination calibration mounting arrangement as claimed in claim 8, characterised in that, The wheel support is fixedly installed on the guide shaft.

10. A high voltage cable termination alignment mounting device as claimed in claim 1, characterised in that, The disc structure is correspondingly provided with a bolt hole for tightening the locking bolt. The device comprises a frame, an adjustable calibration part, a locking part and a guide wheel. The bottom of the frame is a fixed seat, which is fixed with the end of the cable terminal. The top of the frame is a disc structure, and a guide groove is arranged in the disc structure. The number of the guide grooves is at least three, and all the guide grooves are arranged on the disc structure with the center of the disc structure as a reference point. The number of the adjustable calibration parts is at least three, and each adjustable calibration part comprises a guide shaft. The adjustable calibration part can slide in the corresponding guide groove without rotating through the guide shaft. Each adjustable calibration part further comprises a locking slot. The locking part is composed of a plurality of locking bolts, and at least one locking bolt is arranged above the locking slot on the disc structure. The guide wheel is fixedly installed on the adjustable calibration part. The cross-sectional structure of the guide shaft is consistent with that of the guide groove, and both are a waist-shaped structure. The locking slot is a concave-convex structure on the plane of the guide shaft. When the locking bolt is tightened, the locking bolt exerts pressure on the locking slot to lock the adjustable calibration part. The guide wheel comprises a support and a rotating wheel. The guide wheel is fixedly installed on the support. The support is fixedly installed on the front end of the guide shaft of the adjustable calibration part. The fixed seat and the disc structure are connected through a connecting rod. The guide wheel is a directional guide wheel, and the installation direction is consistent with the movement direction of the cable terminal. The guide wheel comprises a rotating wheel and a wheel support, and the rotating wheel is installed on the wheel support. The wheel support is fixedly installed on the guide shaft. The disc structure is correspondingly provided with a bolt hole for tightening the locking bolt.

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