CN108869517B - Anti-loosening device for preventing bolt from loosening - Google Patents

Abstract

The invention discloses an anti-loosening device for preventing loosening of bolts, belonging to the technical field of tools or accessories for preventing loosening of bolts for draining and connecting bolts of ultra-high voltage transmission lines. Each of the carriages slidably connected in the first direction is provided with at least one polygonal anti-loosening hole for engaging with the nut of the bolt. The invention can solve the technical problem in the prior art that the bolts at the drainage plate are easy to loosen, and can achieve the technical effect of preventing the bolts from loosening.

Description

An anti-loosening device for preventing bolts from loosening

technical field

The invention belongs to the technical field of tools or accessories for preventing loosening of drainage connection bolts of ultra-high voltage transmission lines, and more particularly relates to an anti-loosening device for preventing bolt loosening.

Background technique

Due to the large increase of power transmission lines in my country, the daily maintenance and testing work of transportation inspection units is increasingly heavy. During the maintenance and testing of transmission lines, it is often found that the bolts at the UHV drainage board are loose due to factors such as long running time and wind damage. As a result, the contact between the drain plate and the wire clip is not close enough, so that the electric field at the drain plate changes, which leads to the overheating of the drain plate, which affects the safe and stable operation of the line.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an anti-loosening device for preventing the loosening of bolts, so as to solve the technical problem of easy loosening of the bolts at the drain plate in the prior art, and achieve the technical effect of preventing the loosening of the bolts.

In order to achieve the above purpose, the technical solution adopted in the present invention is to provide an anti-loosening device for preventing bolts from loosening, comprising a support frame and at least one sliding connection with the support frame in a first direction through a first sliding device. Each of the carriages is provided with at least one polygonal anti-loosening hole for engaging with the nut of the bolt.

Further, the middle part of the carriage is provided with an anti-loosening block that is slidably connected to the carriage through a second sliding device along a second direction, the first direction is perpendicular to the second direction, and the anti-loosening hole on the locking block.

Further, the support frame is a rectangular frame, and the first sliding device includes a first chute arranged on the inner side of the two sides corresponding to the support frame, and a first chute that is fixed at both ends of the slide frame and is connected to the first sliding groove. A first sliding block matched with a chute.

Further, the sliding frame is a rectangular frame, and the second sliding device includes a second sliding groove arranged on the inner side of the corresponding two sides of the sliding frame and a second sliding groove fixed on both ends of the anti-loosening block and connected with the first sliding block. The second sliding block is matched with two sliding grooves, and the second sliding groove is vertically arranged with the first sliding groove.

Further, a first locking structure for locking the sliding frame on the supporting frame is provided between one end or both ends of the sliding frame and the upper surface of the supporting frame.

Further, the first locking structure includes a first locking plate hinged with the upper surface of the sliding frame, a first fixing groove located on the upper surface of the supporting frame and parallel to the first sliding groove, and A first bolt for connecting the first locking plate and the first fixing groove, the first bolt is pressed against the first fixing hole through the first bolt hole provided on the first locking plate bottom of the groove.

Further, a second locking structure for locking the anti-loosening block on the sliding frame is provided between one side or the corresponding two sides of the anti-loosening block and the sliding frame.

Further, the second locking structure includes a second locking plate hinged with the upper surface of the anti-loosening block, a second fixing groove located on the upper surface of the sliding frame and parallel to the second sliding groove and a second bolt for connecting the second locking plate and the second fixing groove, the second bolt is pressed against the second bolt through the second bolt hole provided on the second locking plate Secure the bottom of the groove.

Further, the anti-loosening hole is a polygon with the same shape as the nut or a regular dodecagon.

Further, the upper surface of the support frame is also provided with a handle.

The beneficial effect of the anti-loosening device for preventing the loosening of the bolts provided by the present invention is that the present invention adopts the sliding frame provided with the anti-loosening holes matched with the nuts to be slidably connected with the support frame, and when in use, the anti-loosening holes are connected to the supporting frame in a sliding manner. The nut socket of the bolts that need to be loosened can prevent the bolts from loosening in actual use; in addition, the carriage can slide on the support frame, and the position of the carriage can be adjusted by adjusting the position of the carriage or between the carriages. The mutual position to adapt to the bolts of different layouts, the adaptability is stronger. The device can solve the technical problem in the prior art that the bolts at the drainage plate are easy to loosen, and can achieve the technical effect of preventing the bolts from loosening.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the present invention. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic structural diagram of an anti-loosening device for preventing bolt loosening according to an embodiment of the present invention;

Fig. 2 is the structural representation of the carriage in Fig. 1;

Fig. 3 is the structural schematic diagram of the side section of the first chute on the support frame in Fig. 1;

Fig. 4 is the structural representation of the anti-loose block in Fig. 1;

FIG. 5 is a schematic structural diagram of a side cross-section of the second chute on the carriage in FIG. 1 .

Among them, each reference sign in the figure:

1—handle, 2—first locking structure, 3—supporting frame, 3-1—first chute, 4—second locking structure, 5—slider, 5-1—second fixing groove, 5 -2—Second chute, 5-3—First slider, 6—Second sliding device, 6-1—Second slider, 7—First fixing groove, 8—Storage groove, 9—Third Locking structure, 10-anti-loosening block, 11-anti-loosening hole, 12-first sliding device.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device. Or elements must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" and "several" mean two or more, unless otherwise expressly and specifically defined.

Referring to FIGS. 1 and 2 , the present invention includes a support frame 3 and at least one carriage 5 slidably connected to the support frame 3 in a first direction through a first sliding device 12 . At least one polygonal anti-loosening hole 11 for engaging with the nut of the bolt is provided, and two or more of the carriages 5 slide in parallel.

The anti-loosening device for preventing the loosening of bolts provided by the embodiment of the present invention is used for connecting with the bolts on the ultra-high voltage drain board in the 1000kV AC ultra-high voltage transmission line. The frame 5 is slidably connected to the support frame 3. When in use, the anti-loosening hole 11 is sleeved or engaged with the nut of the bolt that needs to be prevented from loosening, so as to prevent the bolt from loosening in actual use; The frame 5 is slidable on the support frame 3, and the position of the carriage 5 or the mutual position between the carriages 5 can be adjusted to adapt to bolts of different layouts, and the adaptability is stronger. The device can solve the technical problem in the prior art that the bolts at the drainage plate are easy to loosen, and can achieve the technical effect of preventing the bolts from loosening.

Further, please refer to FIG. 1 and FIG. 2 , as a specific embodiment of the anti-loosening device for preventing bolt loosening provided by the present invention, the middle part of the sliding frame 5 is provided with the sliding frame 5. The anti-loosening block 10 that is slidably connected by the second sliding device 6 along a second direction, the first direction is perpendicular to the second direction, and the anti-loosening hole 11 is located on the anti-loosening block 10 .

The above structural design realizes various arrangements of the anti-loosening holes 11. In actual work, various bolts with different arrangements will be encountered. Therefore, in order to improve the adaptability of the device, the anti-loosening holes are designed with anti-loosening blocks. On the other hand, through the second sliding device 6 and the first sliding device 12, respectively, the anti-loosening holes can be arranged and combined according to the needs of the site, adapting to different bolt arrangements, so that the bolts of various arrangements can be matched, and the The effect of preventing it from loosening.

Further, please refer to FIGS. 1-3 , as a specific embodiment of an anti-loosening device for preventing bolt loosening provided by the present invention, the support frame 3 is a rectangular frame, and the first sliding device 12 includes a first sliding groove 3-1 arranged on the inner side of the two sides corresponding to the support frame 3 and a first sliding groove 3-1 fixed on both ends of the sliding frame 5 and matched with the first sliding groove 3-1. Blocks 5-3.

The above-mentioned first sliding device 12 has a simple structure and can slide smoothly, and is connected by a first sliding groove 3-1 with a "T" and a first sliding block 5-3 with a "T" arranged on the inner side of the side; The four frames of the frame 3 are detachably connected by a third locking structure 9, and the third locking structure 9 is located at the junction of the adjacent frames, including a third locking plate located at the end of one frame and provided with a third bolt hole. , the third fixing groove on the upper surface of the adjacent frame and the third bolt abutting on the bottom of the third fixing groove through the third bolt hole, the first chute 3-1 extends to the side frame of the support frame 3 Both ends of the slide frame 5 and the support frame 3 are convenient for installation and disassembly.

Further, please refer to FIGS. 1-5 , as a specific embodiment of the anti-loosening device for preventing bolt loosening provided by the present invention, the sliding frame 5 is a rectangular frame, and the second sliding device 6. It includes a second sliding slot 5-2 arranged on the inner side of the corresponding two sides of the sliding frame 5 and a second sliding slot 5-2 fixed at both ends of the anti-loosening block 10 and matched with the second sliding slot 5-2. Block 6-1, the second chute 5-2 is perpendicular to the first chute 3-1.

The above-mentioned second sliding device 6 has a simple structure and can slide smoothly, and the sliding frame 5 is also a detachable structure. Installation and removal.

Further, please refer to FIG. 1 , as a specific embodiment of the anti-loosening device for preventing the loosening of bolts provided by the present invention, one or both ends of the sliding frame 5 are connected to the supporting frame 3 . A first locking structure 2 for locking the carriage 5 on the support frame 3 is provided between the upper surfaces; A locking plate, a first fixing groove 7 located on the upper surface of the support frame 3 and parallel to the first chute 3-1, and a first fixing groove 7 for connecting the first locking plate and the first fixing plate The first bolt of the groove 7, the first bolt is pressed against the bottom of the first fixing groove 7 through the first bolt hole provided on the first locking plate.

The above-mentioned first locking structure 2 has a simple structure and is firmly locked, and can make the sliding frame 5 slide to any position to lock the sliding frame 5, which is very convenient to use.

Further, please refer to FIG. 4 , as a specific embodiment of an anti-loosening device for preventing bolt loosening provided by the present invention, one side or the corresponding two sides of the anti-loosening block 10 is connected to the A second locking structure 4 for locking the anti-loosening block 10 on the sliding frame 5 is provided between the carriages 5 ; A hinged second locking plate, a second fixing groove 5-1 located on the upper surface of the carriage 5 and parallel to the second sliding groove 5-2, and a second fixing groove 5-1 for connecting the second locking plate and the The second bolt of the second fixing groove 5-1 is pressed against the bottom of the second fixing groove 5-1 through the second bolt hole provided on the second locking plate.

The above-mentioned first locking structure 2 has a simple structure and is firmly locked, so that the anti-loosening block 10 can be locked by sliding to any position, which is very convenient to use.

Further, please refer to FIGS. 1-3 , as a specific embodiment of an anti-loosening device for preventing bolt loosening provided by the present invention, the anti-loosening hole 11 is the same shape as the nut A polygon or a regular dodecagon.

The above-mentioned anti-loosening hole 11 is designed as a polygon with the same shape as the nut, which can ensure good cooperation with the nut, and the anti-loosening effect is better; The cap fits, and there is no need to consider the angle between the nuts, the applicability is stronger, and it can also play a role in preventing loosening.

Further, please refer to FIG. 1-3, as a specific embodiment of the anti-loosening device for preventing the loosening of bolts provided by the present invention, the upper surface of the support frame 3 is further provided with a handle 1, the handle 1 is rod-shaped, and the handle 1 and the support frame 3 can be in a fixed form or in a foldable form. When it is a foldable structural form, it is designed to be set at the connection between the bottom end of the handle 1 and the support frame 3 At the same time, the upper surface of the support frame 3 is provided with a receiving groove 8 that can accommodate the handle 1. When in use, the handle 1 is in an upright state. After installation, the handle 1 can be rotated to hide it in the receiving groove 8. It does not affect the installation and use of other components, has a beautiful appearance, and is more convenient to use.

The principles and implementations of the present invention are described herein by using specific examples, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present invention. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can also be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims (10)

1. An anti-loosening device for preventing bolts from loosening, characterized in that it comprises a support frame and at least one carriage that is slidably connected to the support frame along a first direction through a first sliding device, each of the carriages There is at least one polygonal anti-loosening hole for engaging with the nut of the bolt. When there are multiple carriages, the plurality of carriages are arranged in parallel with each other. 2 . The anti-loosening device for preventing bolts from loosening according to claim 1 , wherein the middle part of the sliding frame is provided with a sliding connection with the sliding frame in the second direction through the second sliding device. 3 . In the anti-loosening block, the first direction is perpendicular to the second direction, and the anti-loosening hole is located on the anti-loosening block. 3 . The anti-loosening device for preventing bolt loosening according to claim 1 , wherein the support frame is a rectangular frame, and the first sliding device comprises two sides corresponding to the support frame. 4 . A first sliding groove on the inner side of the edge and a first sliding block fixed on both ends of the sliding frame and matched with the first sliding groove. 4 . The anti-loosening device for preventing bolts from loosening according to claim 2 , wherein the sliding frame is a rectangular frame, and the second sliding device comprises two sides disposed on the corresponding two sides of the sliding frame. 5 . The inner second chute and the second sliding block fixed on both ends of the anti-loosening block and matched with the second chute, the second chute and the first chute are vertically arranged. 5. An anti-loosening device for preventing bolts from loosening according to claim 3, characterized in that: between one or both ends of the carriage and the upper surface of the support frame The carriage is locked on the first locking structure on the support frame. 6 . The anti-loosening device for preventing bolts from loosening according to claim 5 , wherein the first locking structure comprises a first locking plate hinged with the upper surface of the carriage, located at the A first fixing groove on the upper surface of the support frame and parallel to the first chute and a first bolt for connecting the first locking plate and the first fixing groove, the first bolt A first bolt hole provided on the first locking plate abuts against the bottom of the first fixing groove. 7. An anti-loosening device for preventing bolts from loosening according to claim 4, characterized in that: between one side or the corresponding two sides of the anti-loosening block and the sliding frame A second locking structure in which the anti-loosening block is locked on the carriage. 8 . The anti-loosening device for preventing bolts from loosening according to claim 7 , wherein the second locking structure comprises a second locking plate hinged with the upper surface of the anti-loosening block, located at A second fixing groove on the upper surface of the carriage and parallel to the second sliding groove and a second bolt for connecting the second locking plate and the second fixing groove, the second The bolt is pressed against the bottom of the second fixing groove through the second bolt hole provided on the second locking plate. 9 . The anti-loosening device for preventing bolt loosening according to claim 1 , wherein the anti-loosening hole is a polygon with the same shape as the nut or a regular dodecagon. 10 . 10 . The anti-loosening device for preventing bolts from loosening according to claim 1 , wherein a handle is further provided on the upper surface of the support frame. 11 .

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