Anti-impact connecting bolt fastening structure of high-voltage isolating switch
By introducing shock-absorbing rubber pads, support springs, and metal lock nuts into the high-voltage disconnect switch, the problem of bolt loosening was solved, and stable connection and long service life of the equipment were achieved.
Patent Information
- Application Number
- CN202520308883.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-02-25
AI Technical Summary
The connecting bolts of existing high-voltage disconnect switches are prone to loosening or breaking under external impact, affecting the normal operation and service life of the equipment.
The impact-resistant connecting bolt fastening structure adopts a combination of shock-absorbing rubber pads, top support springs, limit sleeves and metal lock nuts. Through the combination design of through bolts, bolt head rubber pads and nut rubber pads, combined with elastic deformation and slot connection, the bolts are locked and shock-absorbing.
It significantly reduces vibration damage to equipment, extends service life, ensures robust and reliable connections and stable operation of equipment under complex working conditions, and improves the overall system stability and durability.
Smart Images

Figure CN223635247U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to high -voltage switch technical field especially relates to a high -voltage disconnecting switch's anti -impact connecting bolt fastening structure. BACKGROUND
[0002] High -voltage disconnecting switch is a kind of switch equipment used in high -voltage circuit, mainly used for isolating power supply, switching operation, communication and cut-off small current circuit, it has no arc extinguishing device, cannot cut off load current and short-circuit current, needs to operate in the case where circuit breaker disconnects circuit, disconnecting switch is divided into indoor type and outdoor type, can be divided into single-column type, double-column type and three-column type according to the number of insulating column, and there are optional devices for each voltage level.
[0003] Through the retrieval, the announcement number "CN216120045U" text mentioned "the utility model discloses a high -voltage disconnecting switch belongs to the field of disconnecting switch, including two insulating columns with spacing, two insulating columns are provided with contact, contact is connected with wiring terminal, contact is also connected with the opening and closing mechanism for controlling two contacts to disconnect or electrically connected", it realizes the closure and separation of high -voltage disconnecting switch by the disconnection and electrical connection of two contacts when using, the outer wall of contact and the outer wall of the part for being in contact with contact are provided with graphite silver plating layer, graphite silver plating layer has good conductivity and lubricating property, disconnecting switch in operation does not need to smear lubricant again, thus avoid the adhesion and accumulation of a large amount of dust, achieve the effect of reducing the electrical contact resistance, mechanical resistance and reducing the wear of silver plating layer of disconnecting switch, improve the service life of disconnecting switch, ensure the safe operation of disconnecting switch, applicable to all the scenes needing disconnecting switch in power system, especially applicable to sandy area, but, in the existing high -voltage disconnecting switch, connecting bolt usually adopts simple thread connection mode, this connection mode is easy to cause bolt loosening or fracture when being impacted by external force, thereby affecting the normal operation and service life of equipment.
[0004] Therefore, we provide a high -voltage disconnecting switch's anti -impact connecting bolt fastening structure to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a high -voltage disconnecting switch's anti -impact connecting bolt fastening structure, solves the problem proposed in the above background art.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: an anti-impact connecting bolt fastening structure of high voltage disconnecting switch, including high voltage disconnecting switch base and switch anti-impact bolt connection subassembly, the switch anti-impact bolt connection subassembly includes the bolt hole of being all arranged on the upside of high voltage disconnecting switch base, the downside of high voltage disconnecting switch base is provided with the damping rubber pad, the inside of bolt hole is all penetrated with through bolt, the outside of through bolt is all installed with the bolt head rubber pad, the downside of bolt head rubber pad is installed with the supporting spring, the outside of supporting spring is sleeved with the limit sleeve, the downside of damping rubber pad is provided with the placement plate, the inside of placement plate is all provided with the connecting bolt hole, the downside of limit sleeve is provided with the nut rubber pad, the downside of nut rubber pad is provided with the connecting nut, the downside of connecting nut is provided with the metal locking nut.
[0007] Preferably, the damping rubber pad and the high voltage disconnecting switch base are adhesively connected, the damping rubber pad and the high voltage disconnecting switch base are closely fitted, and the damping rubber pad and the high voltage disconnecting switch base are symmetrically arranged on left and right sides.
[0008] Preferably, the through bolt is connected with the bolt hole and the connecting bolt hole, and the through bolt, the bolt hole and the connecting bolt hole are symmetrically arranged on left and right sides.
[0009] Preferably, the through bolt is connected with the bolt head rubber pad and the nut rubber pad, and the bolt head rubber pad and the nut rubber pad form a damping structure through the through bolt.
[0010] Preferably, the supporting spring is sleeved with the through bolt, the supporting spring is connected with the bolt hole and the connecting bolt hole through a clamping groove, the supporting spring, the through bolt, the bolt hole and the connecting bolt hole form a damping structure, and the two groups are symmetrically arranged.
[0011] Preferably, the limit sleeve is sleeved with the supporting spring, the limit sleeve is connected with the bolt hole and the connecting bolt hole through a clamping groove, and the limit sleeve and the bolt hole and the connecting bolt hole are closely fitted.
[0012] Preferably, the connecting nut is threadedly connected with the through bolt, the through bolt is threadedly connected with the metal locking nut, and the through bolt, the connecting nut and the metal locking nut form a locking structure.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] 1、When need to use, the effective buffering effect of the shock absorbing rubber pad significantly reduces the damage of vibration to the base, prolongs the service life of the equipment, and through the rotation of the through bolt, quick installation and disassembly can be realized, the connection is firm and reliable, and through adjusting the fastening degree of the through bolt, the impact load under different working conditions can be flexibly coped with, the equipment operation is stable, through the bolt head rubber pad and nut rubber pad, the through bolt can produce a small displacement when impacted, effectively absorbing the vibration energy, further protecting the equipment structure from damage, and improving the stability and durability of the overall system.
[0015] 2、When the top support spring is impacted by external force, a large amount of vibration energy can be absorbed through elastic deformation, reducing the direct impact on the base, and the clamping groove connection ensures that it does not displace during vibration, further enhancing the stability and shock resistance of the overall structure, prolonging the service life of the equipment, and the limiting sleeve can effectively limit the displacement range of the top support spring through the clamping groove connection, preventing it from being compressed or stretched too much under excessive impact, ensuring that the top support spring is always within the effective working range, further improving the reliability and stability of the shock absorption system, ensuring the normal operation of the equipment under complex working conditions, and through the rotation of the connecting nut and the metal locking nut, the through bolt can be double-locked, ensuring that the connection is more firm and preventing loosening, and the special design of the metal locking nut can also provide additional anti-slip function, further enhancing the stability of the connection, ensuring that the equipment remains efficient and safe under high load operation. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall appearance structure of the utility model;
[0017] Figure 2 It is a schematic diagram of the bottom structure of the placement plate of the utility model;
[0018] Figure 3 It is a schematic diagram of the overall split structure of the utility model;
[0019] Figure 4 It is a schematic diagram of the bottom structure of the high-voltage disconnecting switch base of the utility model;
[0020] Figure 5 It is a schematic diagram of the split structure of the through bolt of the utility model.
[0021] Marked in the figure: 1, high-voltage disconnecting switch base; 2, switch impact-resistant bolt connection assembly; 201, base bolt hole; 202, shock absorbing rubber pad; 203, through bolt; 204, bolt head rubber pad; 205, top support spring; 206, limiting sleeve; 207, placement plate; 208, connecting bolt hole; 209, nut rubber pad; 210, connecting nut; 211, metal locking nut. 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0023] Please refer to Figures 1-5 The utility model provides a kind of anti-impact connecting bolt fastening structure of high-voltage disconnecting switch, including high-voltage disconnecting switch base 1 and switch anti-impact bolt connection component 2, switch anti-impact bolt connection component 2 includes the base bolt hole 201 being all arranged on the upside of high-voltage disconnecting switch base 1, the downside of high-voltage disconnecting switch base 1 is all provided with shock-absorbing rubber pad 202, the inside of base bolt hole 201 is all penetrated by through bolt 203, the outside of through bolt 203 is all installed with bolt head rubber pad 204, the downside of bolt head rubber pad 204 is installed with jacking spring 205, the outside of jacking spring 205 is sleeved with limit sleeve 206, the downside of shock-absorbing rubber pad 202 is provided with setting plate 207, the inside of setting plate 207 is all provided with connecting bolt hole 208, the downside of limit sleeve 206 is provided with nut rubber pad 209, the downside of nut rubber pad 209 is provided with connecting nut 210, the downside of connecting nut 210 is provided with metal locking nut 211.
[0024] Further, shock-absorbing rubber pad 202 and high-voltage disconnecting switch base 1 are adhesively connected, shock-absorbing rubber pad 202 and high-voltage disconnecting switch base 1 are closely attached, shock-absorbing rubber pad 202 and high-voltage disconnecting switch base 1 are symmetrically arranged on left and right sides, when needing to use, the effective buffering effect of shock-absorbing rubber pad 202 significantly reduces the damage of vibration to base, prolongs the service life of equipment.
[0025] Further, through bolt 203 is connected with base bolt hole 201 and connecting bolt hole 208, through bolt 203 and base bolt hole 201 and connecting bolt hole 208 are symmetrically arranged on left and right sides, when needing to use, through bolt 203 can be rotated to realize quick installation and disassembly, ensure that connection is firm and reliable, and through adjusting the fastening degree of through bolt 203, impact load under different working conditions can be flexibly coped with, to ensure stable operation of equipment.
[0026] Further, the through bolt 203 is connected between the bolt head rubber pad 204 and the nut rubber pad 209, and the bolt head rubber pad 204 and the nut rubber pad 209 form a damping structure through the through bolt 203. When needed, the through bolt 203 can produce a small displacement when impacted by the bolt head rubber pad 204 and the nut rubber pad 209, effectively absorbing vibration energy and further protecting the equipment structure from damage, improving the stability and durability of the overall system.
[0027] Further, the through bolt 203 is connected between the bolt head rubber pad 204 and the nut rubber pad 209, and the bolt head rubber pad 204 and the nut rubber pad 209 form a damping structure through the through bolt 203. When needed, the through bolt 203 can produce a small displacement when impacted by the bolt head rubber pad 204 and the nut rubber pad 209, effectively absorbing vibration energy and further protecting the equipment structure from damage, improving the stability and durability of the overall system.
[0028] Further, the through bolt 203 is connected between the bolt head rubber pad 204 and the nut rubber pad 209, and the bolt head rubber pad 204 and the nut rubber pad 209 form a damping structure through the through bolt 203. When needed, the through bolt 203 can produce a small displacement when impacted by the bolt head rubber pad 204 and the nut rubber pad 209, effectively absorbing vibration energy and further protecting the equipment structure from damage, improving the stability and durability of the overall system.
[0029] Further, the through bolt 203 is connected between the bolt head rubber pad 204 and the nut rubber pad 209, and the bolt head rubber pad 204 and the nut rubber pad 209 form a damping structure through the through bolt 203. When needed, the through bolt 203 can produce a small displacement when impacted by the bolt head rubber pad 204 and the nut rubber pad 209, effectively absorbing vibration energy and further protecting the equipment structure from damage, improving the stability and durability of the overall system.
[0030] Working principle: the anti-impact connecting bolt fastening structure of a high-voltage disconnecting switch is moved to the working position, in use, first, the high-voltage disconnecting switch base 1 is placed on the placing plate 207, at this time, the damping rubber pad 202 is placed between the high-voltage disconnecting switch base 1 and the placing plate 207, second, the through bolt 203 is passed through the base bolt hole 201 and the connecting bolt hole 208, in this period, the supporting spring 205 is first installed in place, ensuring that it is tightly connected with the base bolt hole 201 and the connecting bolt hole 208, and the supporting spring 205 is externally sleeved with the limiting sleeve 206, ensuring that it is not displaced in vibration, then the connecting nut 210 and the metal locking nut 211 are successively tightened, realizing double locking, and the both ends of the through bolt 203 have the bolt head rubber pad 204 and the nut rubber pad 209 for damping and buffering, thus the use process of the anti-impact connecting bolt fastening structure of a high-voltage disconnecting switch is completed.
[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An anti-impact connecting bolt fastening structure of a high-voltage disconnector, comprising a high-voltage disconnector base (1) and a switch anti-impact bolt connecting assembly (2), characterized in that: The switch anti-impact bolt connection assembly (2) comprises base bolt holes (201) arranged on the upper side of high-voltage isolating switch bases (1), the lower side of the high-voltage isolating switch bases (1) is provided with shock-absorbing rubber pads (202), the inner side of the base bolt holes (201) is penetrated by penetrating bolts (203), the outer side of the penetrating bolts (203) is provided with bolt head rubber pads (204), the lower side of the bolt head rubber pads (204) is provided with supporting springs (205), the outer side of the supporting springs (205) is sleeved with limiting sleeve pipes (206), the lower side of the shock-absorbing rubber pads (202) is provided with setting plates (207), the inner side of the setting plates (207) is provided with connecting bolt holes (208), the lower side of the limiting sleeve pipes (206) is provided with nut rubber pads (209), the lower side of the nut rubber pads (209) is provided with connecting nuts (210), and the lower side of the connecting nuts (210) is provided with metal locking nuts (211).
2. The anti-impact connecting bolt fastening structure of a high voltage disconnector according to claim 1, characterized in that, The shock-absorbing rubber pads (202) and the high-voltage isolating switch bases (1) are connected in a manner of adhesion, and the shock-absorbing rubber pads (202) are tightly fitted with the high-voltage isolating switch bases (1).
3. The anti-impact connecting bolt fastening structure of a high voltage disconnector according to claim 1, characterized in that, The penetrating bolts (203), the base bolt holes (201) and the connecting bolt holes (208) are connected in a penetrating manner, and the penetrating bolts (203), the base bolt holes (201) and the connecting bolt holes (208) are symmetrically arranged on the left and right sides.
4. The anti-impact connecting bolt fastening structure of a high voltage disconnector according to claim 1, characterized in that, The penetrating bolts (203), the bolt head rubber pads (204) and the nut rubber pads (209) are connected in a penetrating manner, and the bolt head rubber pads (204) and the nut rubber pads (209) constitute a shock-absorbing structure through the penetrating bolts (203).
5. The anti-impact connecting bolt fastening structure of a high voltage disconnector according to claim 1, characterized in that, The supporting springs (205) and the penetrating bolts (203) are sleeved, the supporting springs (205) and the base bolt holes (201) and the connecting bolt holes (208) are connected in a clamping groove manner, the supporting springs (205) cooperate with the base bolt holes (201) and the connecting bolt holes (208) through the penetrating bolts (203) to constitute a shock-absorbing structure, and the left and right groups are symmetrically arranged.
6. The anti-impact connecting bolt fastening structure of a high voltage disconnector according to claim 1, characterized in that, The limiting sleeve pipes (206) and the supporting springs (205) are sleeved, the limiting sleeve pipes (206) and the base bolt holes (201) and the connecting bolt holes (208) are connected in a clamping groove manner and are tightly fitted.
7. The anti-impact connecting bolt fastening structure of a high voltage disconnector according to claim 1, characterized in that, The connecting nuts (210) and the penetrating bolts (203) are connected in a threaded manner, the penetrating bolts (203) and the metal locking nuts (211) are connected in a threaded manner, and the penetrating bolts (203), the connecting nuts (210) and the metal locking nuts (211) constitute a locking structure.
Citation Information
Patent Citations
High-voltage isolating switch
CN216120045U
Cited By
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