Flange tightening device

Abstract

The utility model discloses a flange tightening device, which is applied to a 500KV composite jacket lightning arrester, the 500KV composite jacket lightning arrester comprises a lightning arrester body, a first flange and a second flange, and the first flange and the second flange are respectively arranged at two ends of the lightning arrester body; the flange tightening device comprises a chuck and a compensation telescopic mechanism, one end of the chuck is connected with the first flange, and the other end of the chuck is connected with the compensation telescopic mechanism. The compensation telescopic mechanism can push the first flange to move towards the direction close to the second flange through the chuck in the tightening process of the first flange. Compared with manual tightening in the prior art, the flange tightening device has the advantages that mechanical operation of flange tightening operation can be achieved, manual tightening is replaced, labor cost can be reduced, it can be guaranteed that the tightening force of the flange meets the standard and meets the requirement, and tightening operation efficiency and quality are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of lightning arrester, especially relates to a flange tightening device. BACKGROUND

[0002] As an important device for protecting electrical equipment from high transient over-voltage hazards, the improvement of the installation method of lightning arrester is of great significance to improve the stability and safety of the power system.

[0003] At present, when installing 500KV composite outer sleeve lightning arrester, the artificial tightening method is usually used for installation, but the artificial tightening method not only leads to low work efficiency and high labor cost, but also makes the fastening force composite standard of the flange unable to meet the requirements, resulting in poor installation work quality.

[0004] Therefore, how to avoid the above defects is a problem to be solved by the person skilled in the art. INVENTION CONTENTS

[0005] Therefore, the purpose of the utility model is to provide a flange tightening device which can not only reduce labor cost, but also make the fastening force composite standard of the flange meet the requirements, thereby effectively improving the efficiency and quality of tightening work.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] A flange tightening device is applied to 500KV composite outer sleeve lightning arrester, the 500KV composite outer sleeve lightning arrester includes a lightning arrester body, a first flange and a second flange, and the first flange and the second flange are respectively arranged at two ends of the lightning arrester body.

[0008] The flange tightening device includes a chuck and a compensation telescopic mechanism, one end of the chuck is connected with the first flange, and the other end is connected with the compensation telescopic mechanism.

[0009] The compensation telescopic mechanism can push the first flange to move towards the direction close to the second flange through the chuck during the tightening process of the first flange.

[0010] Optionally, a sensor is further included, which is arranged between the chuck and the compensation telescopic mechanism, and two ends of the sensor are respectively connected with the chuck and the compensation telescopic mechanism.

[0011] Optionally, the chuck includes a chuck body, a first clamping jaw and a second clamping jaw, the first clamping jaw and the second clamping jaw are arranged on the chuck body, a clamping groove is arranged between the first clamping jaw and the second clamping jaw, and a first pin hole for the passage of a pin shaft is formed in the first clamping jaw and the second clamping jaw.

[0012] The first flange comprises a first flange body and a first connecting plate, the first connecting plate is arranged in the clamping groove, and a second pin hole for the pin shaft to pass through is formed in the first connecting plate.

[0013] Optionally, the compensation telescopic mechanism comprises a shell and a moving core body, one end of the moving core body is connected with the sensor, and the other end is telescopically arranged in the shell.

[0014] Optionally, the compensation telescopic mechanism further comprises a gas cylinder and a connecting assembly, the connecting assembly connects the moving core body and the gas cylinder.

[0015] Optionally, the gas cylinder comprises a first gas cylinder and a second gas cylinder, the first gas cylinder comprises a first gas cylinder body and a first push rod, the second gas cylinder comprises a second gas cylinder body and a second push rod, and the first gas cylinder and the second gas cylinder are arranged on two sides of the shell respectively.

[0016] A first long slot and a second long slot are further formed along the length of the shell, the first gas cylinder is arranged corresponding to the first long slot, and the second gas cylinder is arranged corresponding to the second long slot.

[0017] The connecting assembly comprises a first connecting piece, a second connecting piece and a connecting rod, the first gas cylinder is connected with one end of the connecting rod through the first connecting piece, the second gas cylinder is connected with the other end of the connecting rod through the second connecting piece, and the connecting rod passes through the moving core body.

[0018] Optionally, the first connecting piece comprises a first connecting block and a first connecting lug, the first connecting lug is arranged on the first connecting block, the first connecting block is connected with the first push rod, and the first connecting lug is connected with the connecting rod.

[0019] The second connecting piece comprises a second connecting block and a second connecting lug, the second connecting lug is arranged on the second connecting block, the second connecting block is connected with the second push rod, and the second connecting lug is connected with the connecting rod.

[0020] Optionally, the compensation telescopic mechanism further comprises a sliding block, the sliding block is arranged at one end of the connecting rod, and the sliding block is arranged in abutment with the first long slot or the second long slot.

[0021] Optionally, the compensation telescopic mechanism further comprises two sliding blocks, and the two sliding blocks are arranged at two ends of the connecting rod respectively, one of the sliding blocks is arranged in abutment with the first long slot, and the other of the sliding blocks is arranged in abutment with the second long slot.

[0022] Optionally, the compensation telescopic mechanism further comprises a base, and the shell, the first cylinder and the second cylinder are arranged on the base.

[0023] From the above technical solutions can be seen, when the first flange and the second flange are screwed to connect with the 500KV composite outer sleeve lightning arrester, first, the first flange and the second flange are respectively sleeved on both ends of the 500KV composite outer sleeve lightning arrester, then the second flange is screwed on the lightning arrester body, when the second flange is connected with the lightning arrester body as a whole, the screwing of the first flange is started, at this time, the compensation telescopic mechanism is started, and the compensation telescopic mechanism pushes the first flange to move along the length direction of the lightning arrester body towards the second flange during the continuous rotation of the lightning arrester body, so as to realize the screwing of the first flange and the lightning arrester body.

[0024] Compared with the personnel screwing of the prior art, the flange screwing device adopted in the embodiment of the utility model can realize the mechanization operation of the flange screwing operation, replace the manual screwing, not only can reduce the labor cost, and can ensure that the fastening force of the flange meets the requirements of the composite standard, effectively improves the screwing operation efficiency and quality. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only the embodiment of the utility model, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creating labor.

[0026] Figure 1 The overall structure schematic diagram of the flange screwing device provided by the embodiment of the utility model;

[0027] Figure 2 The explosion structure schematic diagram of the flange screwing device provided by the embodiment of the utility model;

[0028] Figure 3 The structure schematic diagram of the 500KV composite outer sleeve lightning arrester provided by the embodiment of the utility model;

[0029] Figure 4 The structure schematic diagram of the chuck provided by the embodiment of the utility model;

[0030] Figure 5 The structure schematic diagram of the sensor provided by the embodiment of the utility model;

[0031] Figure 6 The installation structure schematic diagram of the moving core body and the connecting assembly provided by the embodiment of the utility model;

[0032] Figure 7 The structure schematic diagram of the shell and the cylinder installation provided by the embodiment of the utility model.

[0033] Mark explanation:

[0034] 100, arrester body;200, first flange;201, first flange main body;202, first connecting plate;300, second flange;400, chuck;401, chuck body;402, first claw;403, second claw;404, card slot;405, first pin hole;406, pin shaft;500, sensor;600, compensation telescopic mechanism;601, shell;6011, first long hole;602, moving core;603, first cylinder;6031, first cylinder cylinder body;6032, first push rod;604, second cylinder;6041, second cylinder cylinder body;6042, second push rod;605, first connecting piece;6051, first connecting block;6052, first connecting lug;606, second connecting piece;6061, second connecting block;6063, second connecting lug;607, connecting rod;608, sliding block;609, base. Specific implementation

[0035] Therefore, the core of the utility model lies in providing a flange tightening device, which can not only reduce labor cost, but also make the fastening force of the flange meet the requirements, thereby effectively improving the efficiency and quality of tightening operation.

[0036] 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 protection scope of the utility model, please refer to Figures 1 to 7 .

[0037] Please refer to Figure 1 and Figure 2 The flange tightening device disclosed in the embodiments of the utility model is applied to a 500KV composite outer sleeve arrester, wherein the 500KV composite outer sleeve arrester comprises an arrester body 100, a first flange 200 and a second flange 300, and the first flange 200 and the second flange 300 are arranged at two ends of the arrester body 100 respectively.

[0038] The flange tightening device comprises a chuck 400 and a compensation telescopic mechanism 600, one end of the chuck 400 is connected with the first flange 200, the other end of the chuck 400 is connected with the compensation telescopic mechanism 600, and the compensation telescopic mechanism 600 can push the first flange 200 to move towards the direction close to the second flange 300 through the chuck 400 in the process of tightening the first flange 200.

[0039] When the first flange 200 and the second flange 300 are tightened and connected with the 500KV composite outer sleeve lightning arrester, first, the first flange 200 and the second flange 300 are respectively sleeved on the two ends of the 500KV composite outer sleeve lightning arrester, then the second flange 300 is tightened on the lightning arrester body 100, when the second flange 300 is connected with the lightning arrester body 100 as a whole, the tightening of the first flange 200 is started, at this time, the compensation telescopic mechanism 600 is started, and the compensation telescopic mechanism 600 pushes the first flange 200 to move along the length direction of the lightning arrester body 100 towards the direction close to the second flange 300 in the process of continuously rotating the lightning arrester body 100, so that the first flange 200 is tightened with the lightning arrester body 100.

[0040] Compared with the personnel tightening in the prior art, the flange tightening device in the embodiment of the utility model can realize the mechanization operation of the flange tightening operation, replace the manual tightening, can not only reduce the labor cost, and can ensure that the fastening force composite standard of the flange meets the requirements, effectively improves the tightening operation efficiency and quality.

[0041] It should be noted that the second flange 300 and the lightning arrester body 100 disclosed in the embodiment of the utility model are also realized by mechanical automatic tightening.

[0042] As a further embodiment, please refer to Figure 5 The flange tightening device disclosed in the embodiment of the utility model further comprises a sensor 500, wherein the sensor 500 is arranged between the chuck 400 and the compensation telescopic mechanism 600, and two ends of the sensor 500 are respectively connected with the chuck 400 and the compensation telescopic mechanism 600.

[0043] It should be noted that the flange tightening device disclosed in the embodiment of the utility model further comprises a control system, wherein the control system is in signal connection with the sensor 500, the torque recorded by the sensor 500 can be transmitted to the control system through a signal, and displayed on the display screen of the control system.

[0044] The specific structure of the chuck 400 is not limited in the embodiment of the utility model, and as long as the structure meets the use requirements of the utility model, it is within the protection scope of the utility model.

[0045] As one of the embodiments, please refer to Figure 4The chuck 400 disclosed in the embodiment of the utility model includes a chuck body 401, a first chuck jaw 402 and a second chuck jaw 403, the first chuck jaw 402 and the second chuck jaw 403 are arranged on the chuck body 400, a clamping groove 404 is arranged between the first chuck jaw 402 and the second chuck jaw 403, and first pin holes 405 for the pin shaft 406 to pass through are formed in the first chuck jaw 402 and the second chuck jaw 403.

[0046] The first flange 200 includes a first flange body 201 and a first connecting plate 202, the first connecting plate 202 is accommodated in the clamping groove 404, and second pin holes for the pin shaft 406 to pass through are formed in the first connecting plate 202.

[0047] When the chuck 400 is connected with the first flange 200, the first connecting plate 202 of the first flange 200 is inserted between the first chuck jaw 402 and the second chuck jaw 403, at this time, the first pin holes 405 on the first chuck jaw 402 and the second chuck jaw 403 correspond to the second pin holes on the first connecting plate 202, at this time, the first flange 200 and the chuck 400 can be connected by passing the pin shaft 406 through the first pin holes 405 and the second pin holes.

[0048] The embodiment of the utility model does not limit the specific structure of the first chuck jaw 402 and the second chuck jaw 403, the first chuck jaw 402 and the second chuck jaw 403 can be plate-shaped structures or claw-shaped structures, as long as they meet the requirements of the utility model.

[0049] In order to facilitate the connection with the first flange 200, the first chuck jaw 402 and the second chuck jaw 403 disclosed in the embodiment of the utility model are plate-shaped structures, so that better cooperation and connection with the first connecting plate 202 can be achieved.

[0050] The embodiment of the utility model does not limit the specific structure of the compensation expansion mechanism 600, as long as the structure meeting the use requirements of the utility model is within the protection scope of the utility model.

[0051] As one of the embodiments, please refer to Figure 6 and Figure 7 The compensation expansion mechanism 600 disclosed in the embodiment of the utility model includes a shell 601 and a movable core 602, one end of the movable core 602 is connected with the sensor 500, and the other end is telescopically arranged in the shell 601.

[0052] When the movable core 602 is extended in the shell 601, the first flange 200 can be sequentially pushed by the sensor 500 and the chuck 400 to move towards the second flange 300.

[0053] The utility model embodiment does not limit the pushing mode of the mobile core body 602, the mobile core body 602 can be pushed by a linear motor, can be pushed by a linear cylinder, of course, other pushing modes can also be adopted, as long as the pushing mode meeting the use requirement of the utility model is within the protection scope of the utility model.

[0054] As one of the embodiments, please continue to refer to Figure 6 And Figure 7 The flange tightening device disclosed by the utility model embodiment further comprises a cylinder and a connecting assembly.

[0055] In order to keep the mobile core body 602 balanced when being pushed out and ensure the stability of the first flange 200 when being tightened, the cylinder disclosed by the utility model embodiment comprises a first cylinder 603 and a second cylinder 604, wherein the first cylinder 603 comprises a first cylinder body 6031 and a first push rod 6032, the second cylinder 604 comprises a second cylinder body 6041 and a second push rod 6042, and the first cylinder 603 and the second cylinder 604 are arranged on the two sides of the shell 601 respectively.

[0056] The first cylinder 603 is arranged corresponding to the first long slot hole 6011, and the second cylinder 604 is arranged corresponding to the second long slot hole;

[0057] The connecting assembly comprises a first connecting piece 605, a second connecting piece 606 and a connecting rod 607, the first cylinder 603 is connected with one end of the connecting rod 607 through the first connecting piece 605, the second cylinder 604 is connected with the other end of the connecting rod 607 through the second connecting piece 606, and the connecting rod 607 passes through the mobile core body 602.

[0058] That is, the connecting rod 607 connects the first connecting piece 605 and the second connecting piece 606, the first connecting rod 607 is connected with the first cylinder 603, and the second connecting piece 606 is connected with the second cylinder 604, so that the first cylinder 603, the second cylinder 604 and the connecting assembly form an integral whole.

[0059] It should be noted that the first cylinder 603 and the second cylinder 604 are simultaneously started and stopped, when the first cylinder 603 and the second cylinder 604 are simultaneously started, the force can be transmitted to the mobile core body 602 through the connecting assembly, so that the mobile core body 602 is pushed out from the shell 601.

[0060] It should be further noted that a plurality of connecting holes are arranged along the circumference of the mobile core body 602 for the connecting rod 607 to pass through.

[0061] As a further embodiment, the flange tightening device disclosed in the embodiments of the present application further comprises a sliding block 608.

[0062] As one of the embodiments, the sliding block 608 is arranged at one end of the connecting rod 607, and the sliding block 608 is arranged in the first long hole 6011 or the second long hole. In this way, the effect of the static torque on the first cylinder 603 or the second cylinder 604 can be prevented from being destroyed.

[0063] As another embodiment, the sliding block 608 is two, and is arranged at both ends of the connecting rod 607, one sliding block 608 is arranged in the first long hole 6011, and the other sliding block 608 is arranged in the second long hole. In this way, the effect of the static torque on the first cylinder 603 and the second cylinder 604 can be prevented from being destroyed.

[0064] In order to facilitate taking and placing, the flange tightening device disclosed in the embodiments of the present application further comprises a base 609, wherein the shell 601, the first cylinder 603 and the second cylinder 604 are arranged on the base 609.

[0065] The shell 601 and the base 609 are connected by welding, and the first cylinder 603 and the second cylinder 604 are bolted to the base 609, so as to facilitate disassembly.

[0066] Finally, it should be noted that in this paper, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "comprises" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0067] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments. The same or similar parts between the embodiments can be referred to each other.

[0068] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A flange tightening device applied to a 500KV composite outer sleeve lightning arrester, characterized in that, the 500KV composite outer sleeve lightning arrester comprises a lightning arrester body, a first flange and a second flange, the first flange and the second flange are respectively arranged at two ends of the lightning arrester body; the flange tightening device comprises a chuck and a compensation telescopic mechanism, one end of the chuck is connected with the first flange, and the other end is connected with the compensation telescopic mechanism; the compensation telescopic mechanism can push the first flange to move towards the second flange through the chuck during the tightening process of the first flange.

2. Flange tightening device according to claim 1, characterized in that a sensor is further included, the sensor is arranged between the chuck and the compensation telescopic mechanism, and two ends of the sensor are respectively connected with the chuck and the compensation telescopic mechanism.

3. The flange tightening device according to claim 1, characterized in that, the chuck comprises a chuck body, a first chuck jaw and a second chuck jaw, the first chuck jaw and the second chuck jaw are arranged on the chuck body, a chuck slot is arranged between the first chuck jaw and the second chuck jaw, and a first pin hole for a pin shaft to pass through is formed on the first chuck jaw and the second chuck jaw; the first flange comprises a first flange body and a first connecting plate, the first connecting plate is arranged in the chuck slot, and a second pin hole for the pin shaft to pass through is formed on the first connecting plate.

4. The flange tightening device according to claim 2, characterized in that, the compensation telescopic mechanism comprises a shell and a moving core, one end of the moving core is connected with the sensor, and the other end is telescopically arranged in the shell.

5. Flange tightening device according to claim 4, characterized in that the compensation telescopic mechanism further comprises a gas cylinder and a connecting assembly, the connecting assembly connects the moving core and the gas cylinder.

6. Flange tightening device according to claim 5, characterized in that the gas cylinder comprises a first gas cylinder and a second gas cylinder, the first gas cylinder comprises a first gas cylinder body and a first push rod, the second gas cylinder comprises a second gas cylinder body and a second push rod, and the first gas cylinder and the second gas cylinder are respectively arranged on two sides of the shell; a first long slot and a second long slot are further formed along the length of the shell, the first gas cylinder is arranged corresponding to the first long slot, and the second gas cylinder is arranged corresponding to the second long slot; the connecting assembly comprises a first connecting piece, a second connecting piece and a connecting rod, the first gas cylinder is connected with one end of the connecting rod through the first connecting piece, the second gas cylinder is connected with the other end of the connecting rod through the second connecting piece, and the connecting rod passes through the moving core.

7. Flange tightening device according to claim 6, characterized in that the first connecting piece comprises a first connecting block and a first connecting lug, the first connecting lug is arranged on the first connecting block, the first connecting block is connected with the first push rod, and the first connecting lug is connected with the connecting rod; the second connecting piece comprises a second connecting block and a second connecting lug, the second connecting lug is arranged on the second connecting block, the second connecting block is connected with the second push rod, and the second connecting lug is connected with the connecting rod.

8. The flange tightening device according to claim 6, characterized in that the compensation telescopic mechanism further comprises a sliding block, the sliding block is arranged at one end of the connecting rod, and the sliding block is arranged in the first long slot or the second long slot.

9. The flange tightening device according to claim 6, characterized in that The compensation telescopic mechanism further comprises two sliding blocks, which are respectively arranged at two ends of the connecting rod, one of the sliding blocks is arranged in the first long slot, and the other sliding block is arranged in the second long slot.

10. The flange tightening device according to claim 6, characterized in that, The compensation telescopic mechanism further comprises a base, and the shell, the first cylinder and the second cylinder are arranged on the base.

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