CN109887799B - Spring operating mechanism and adjusting tool thereof - Google Patents
Spring operating mechanism and adjusting tool thereof Download PDFInfo
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- CN109887799B CN109887799B CN201910186003.1A CN201910186003A CN109887799B CN 109887799 B CN109887799 B CN 109887799B CN 201910186003 A CN201910186003 A CN 201910186003A CN 109887799 B CN109887799 B CN 109887799B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 56
- 230000006835 compression Effects 0.000 claims abstract description 20
- 238000007906 compression Methods 0.000 claims abstract description 20
- 238000000926 separation method Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 12
- 230000036316 preload Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
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Abstract
The invention relates to a spring operating mechanism and an adjusting tool thereof, wherein the spring operating mechanism comprises a spring barrel, a spring and a spring tray which are arranged in the spring barrel, a screw rod extending out of the spring tray is arranged in the spring barrel, a pre-tightening nut which is used for jacking the spring tray to pre-tighten the spring is connected onto the screw rod, a locking nut which is used for preventing the pre-tightening nut from loosening is also connected onto the screw rod, and the outer diameter of the locking nut is smaller than that of the pre-tightening nut. The outer diameter of the locking nut is smaller than that of the pre-tightening nut, when the pre-compression amount of the spring is adjusted, the locking nut can be loosened for a certain distance by using a locking nut sleeve matched with the locking nut, then the pre-tightening nut is adjusted to a proper position by using the pre-tightening nut sleeve matched with the pre-tightening nut, and then the locking nut is screwed down, so that the locking nut does not need to be disassembled and assembled in the whole adjusting process. The problem of the screw rod that exists among the prior art when installing lock nut and pretension nut on the screw rod the spring precompression volume adjust the process complicated is solved.
Description
Technical Field
The invention relates to a spring operating mechanism and an adjusting tool thereof.
Background
In high-voltage electrical switching products (GIS, open circuit breakers, etc.), all drive mechanisms need to be characteristic-adjusted according to the performance parameters of the circuit breaker. For a mature spring operating mechanism, the main means of performance adjustment is to adjust the opening and closing energy, and meet the requirements of the opening and closing of the circuit breaker on performance parameters such as speed and time while matching the opening and closing energy. The traditional spring energy adjusting tool adopts a complicated and electric adjusting mode, so that the carrying, the assembly and the debugging are inconvenient; or adopt simple mechanical structure, convenient to carry, but the assembly debugging process is complicated, wastes time and energy, and the security performance is hardly guaranteed.
The application publication number is CN104465240A, and the application publication number is 2015.03.25, which discloses a connecting mechanism of a switch-on spring and a switch-off spring and an adjusting tool thereof. The utility model provides a coupling mechanism of spring that divides, closes a floodgate includes spring barrel and spring, the one end of spring is fixed in spring barrel, and the other end is the free end, supports to pressing on the free end face and installs the tray, install a sheave in the spring barrel, the sheave inslot of sheave is around putting a chain, the one end that the chain stretches out spring barrel is connected on energy storage turning arm or output turning arm, and the other end of chain extends and is connected with the screw rod through the chain joint along the compression direction of spring, another end of screw rod passes the tray and is connected with the tray through tightening the nut. The tightening nut can be adjusted by adjusting the tool, so that the pre-compression amount and the stored energy of the spring can be adjusted in a stepless mode.
When the nut is screwed down in the using process, the precompression quantity and the stored energy of the spring are changed due to looseness, and the parameters of the on-off speed, the time performance and the like of the circuit breaker are influenced. A locking nut can be added on the screw rod, and the pre-tightening nut which is arranged on the tray in a jacking mode is locked on the screw rod through the locking nut, so that the pre-tightening nut is prevented from loosening to cause the change of the pre-compression amount of the spring. At this time, when adjusting the pre-compression amount of the compression spring, the lock nut on the screw needs to be detached by the sleeve, then the pre-tightening nut connected to the tray needs to be adjusted to a proper position by the sleeve, and finally the detached lock nut is installed on the screw to lock the pre-tightening nut, so that the adjusting process of the pre-compression amount of the spring is complicated.
Disclosure of Invention
The invention aims to provide a spring operating mechanism, which aims to solve the problem that the prior art has complicated spring pre-compression amount adjusting process; the invention also aims to provide a spring operating mechanism adjusting tool for adjusting the pre-compression amount of the spring operating mechanism.
The spring operating mechanism adopts the following technical scheme:
the spring operating mechanism comprises a spring barrel, a spring and a spring tray which are installed in the spring barrel, a screw rod extending out of the spring tray is arranged in the spring barrel, a pre-tightening nut which is used for jacking the spring tray to pre-tighten the spring is connected onto the screw rod, a locking nut which is used for preventing the pre-tightening nut from loosening is also connected onto the screw rod, and the outer diameter of the locking nut is smaller than that of the pre-tightening nut.
The invention has the beneficial effects that: the outer diameter of the locking nut is smaller than that of the pre-tightening nut, when the pre-compression amount of the spring is adjusted, the locking nut can be loosened for a certain distance by using a locking nut sleeve matched with the locking nut, then the pre-tightening nut is adjusted to a proper position by using the pre-tightening nut sleeve matched with the pre-tightening nut, and then the locking nut is screwed down.
In order to facilitate the adjustment of the pre-compression amount of the spring, the screw rod is provided with a separation sleeve between the pre-tightening nut and the locking nut, and the thickness of the wall of the separation sleeve is smaller than that of the thinnest position of the hole wall of the threaded hole of the locking nut; on the one hand, separate the sleeve pipe and make lock nut more close to the spring section of thick bamboo nozzle, make things convenient for the sleeve to revolve wrong lock nut, on the other hand, because it is all less to separate the contact surface area between sleeve and pretension nut, the lock nut, the frictional force of contact surface department is also less relatively, can prevent to drive pretension nut rotatory when revolving wrong lock nut, conveniently revolves wrong lock nut to make things convenient for the spring precompression volume to adjust the difficulty.
In order to reduce the volume of the spring operating mechanism, the spring tray comprises a barrel-shaped limiting part which is inserted into the spring and used for radially limiting the spring and an outward turning edge which extends along the barrel wall of the barrel-shaped limiting part, the outward turning edge is in press fit with the spring, and a pre-tightening nut is pressed on the barrel bottom of the barrel-shaped limiting part; the pre-tightening nut is pressed on the barrel bottom of the barrel-shaped limiting part, so that the increase of the length of the screw rod when the separation sleeve is added is avoided, and the size of the spring operating mechanism is reduced.
In order to facilitate the adjustment of the pre-tightening amount of the spring, the spring cylinder is connected with a fixed seat which is in threaded fit with an adjusting rod of the adjusting tool of the spring operating mechanism; therefore, when the pre-tightening amount of the spring is adjusted, the adjusting rod is conveniently positioned, and the adjusting efficiency is improved.
In order to avoid the disassembly and assembly of the fixed seat and increase the adjusting efficiency of the pre-tightening amount of the spring, the fixed seat is provided with a fixed seat hole for a guide disc of an adjusting tool of the spring operating mechanism to enter and exit the spring cylinder; the spring cartridge is directly put into or taken out from the fixed seat hole by the guide disc, so that the fixed seat is prevented from being disassembled and assembled when the guide disc is taken and placed.
The spring operating mechanism adjusting tool adopts the following technical scheme:
the adjusting tool of the spring operating mechanism comprises a fixed seat and an adjusting rod in threaded connection with the fixed seat, and further comprises a locking nut sleeve and a pre-tightening nut sleeve, wherein the locking nut sleeve is sleeved outside the locking nut to screw the locking nut, the pre-tightening nut sleeve is sleeved outside the pre-tightening nut to screw the pre-tightening nut, and the inner diameter of the locking nut sleeve is smaller than that of the pre-tightening nut sleeve.
When the pre-tightening amount of the spring is adjusted, the adjusting rod is used for applying force to the spring to compress the spring, then the locking nut is loosened for a certain distance by the locking nut sleeve matched with the locking nut, then the pre-tightening nut is adjusted to a proper position by the pre-tightening nut sleeve matched with the pre-tightening nut, and then the locking nut is screwed down. The problem of the screw rod that exists among the prior art when installing lock nut and pretension nut on the screw rod the spring precompression volume adjust the process complicated is solved.
In order to avoid the adjusting rod from damaging the spring barrel in the force application process, the adjusting tool of the spring operating mechanism further comprises a guide disc, the adjusting rod presses the guide disc to apply force to the spring, and a guide disc hole for the locking nut sleeve or the pre-tightening nut sleeve to penetrate through is formed in the guide disc. The force of the adjusting rod is applied to the spring cylinder through the guide disc, and damage caused by uneven circumferential stress of the spring cylinder can be avoided.
In order to facilitate the use of the pre-tightening nut sleeve and the locking nut sleeve, the outer diameter of the locking nut sleeve in the scheme is smaller than or equal to the inner diameter of the pre-tightening nut sleeve. Therefore, the pre-tightening nut sleeve can be sleeved on the pre-tightening nut without pulling out the locking nut sleeve, and the nut can be conveniently screwed.
In order to avoid the disassembly and assembly of the fixing seat and increase the adjusting efficiency of the pre-tightening amount of the spring, in the scheme, the fixing seat is provided with a fixing seat hole for the guide disc to enter and exit the spring cylinder of the spring operating mechanism. The spring cartridge is directly put into or taken out from the fixed seat hole by the guide disc, so that the fixed seat is prevented from being disassembled and assembled when the guide disc is taken and placed.
Drawings
Fig. 1 is a schematic structural view of a spring operating mechanism in an embodiment of a spring operating mechanism adjusting tool of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic structural diagram of the spring operating mechanism adjusting tool of the present invention when adjusting the spring operating mechanism.
In the figure: 1-spring protection plate, 2-spring cylinder, 3-spring cylinder support, 4-lock nut, 5-spring tray, 6-separation sleeve, 7-pre-tightening nut, 8-screw, 9-combination spring, 10-chain pull rod joint, 11-plate chain, 12-spring compression rod, 13-chain grooved wheel, 14-closing locking system, 15-closing holding pawl, 16-main crank arm, 17-output shaft, 18-closing cam roller, 19-main crank arm chain joint, 20-closing cam, 21-fixed seat, 22-adjusting rod, 23-pre-tightening nut sleeve, 24-lock nut sleeve and 25-guide disc.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
Referring to fig. 1 and 2, the spring operating mechanism in the embodiment of the invention includes a spring barrel 2, a spring and a spring tray 5 installed in the spring barrel 2, the spring barrel 2 is fixed on a spring barrel support 3, and a spring pressing rod 12 is further arranged on the spring barrel 2. The spring in this embodiment is a combination spring 9, in other embodiments the spring may be a single spring. A screw rod 8 is arranged in the spring cylinder 2, one end of the screw rod is fixed on the chain pull rod joint 10, and the other end of the screw rod extends out of the spring tray 5. The screw 8 is connected with a pre-tightening nut 7 and a locking nut 4 for preventing the pre-tightening nut 7 from loosening, and the pre-tightening nut 7 is used for jacking the spring tray 5 to pre-tighten the combined spring 9. As shown in fig. 2, in order to facilitate adjustment of the precompression amount of the combination spring 9, the outside diameter of the lock nut 4 in this embodiment is smaller than that of the pre-tension nut 7.
As shown in fig. 3, in order to adjust the precompression amount of the combination spring 9, the spring operating mechanism adjusting tool comprises a fixed seat 21 and an adjusting rod 22 which is connected to the fixed seat 21 in a threaded manner, the spring operating mechanism adjusting tool further comprises a locking nut sleeve 24 which is sleeved outside the locking nut 4 to screw the locking nut 4, and a pre-tightening nut sleeve 23 which is sleeved outside the pre-tightening nut 7 to screw the pre-tightening nut 7, and the inner diameter of the locking nut sleeve 24 is smaller than the inner diameter of the pre-tightening nut sleeve 23. It should be noted that, a sleeve through hole for passing through the locking nut sleeve 24 or the pre-tightening nut sleeve 23 is arranged on the fixed seat 21, when the pre-compression amount of the spring is adjusted, the adjusting rod 22 is firstly used for applying force to the combined spring 9 to compress the combined spring 9, then the locking nut sleeve 24 is used for loosening the locking nut 4 for a certain distance, then the pre-tightening nut sleeve 23 is used for adjusting the pre-tightening nut 7 to a proper position, and then the locking nut 4 is screwed down. The problem of the spring precompression volume that exists adjusts the process complicacy among the prior art is solved.
As shown in fig. 2, in consideration of the difficulty in screwing the lock nut 4 caused by the easy rotation of the pre-tightening nut 7 when screwing the lock nut 4, a spacer sleeve 6 is provided between the lock nut 4 and the pre-tightening nut 7 in the present embodiment, and the thickness of the wall of the spacer sleeve 6 is smaller than that of the thinnest hole wall of the threaded hole of the lock nut 4. At this time, the contact surface areas between the separation sleeve 6 and the pre-tightening nut 7 and between the separation sleeve and the lock nut 4 are small, and the friction force at the contact surface is relatively small, so that the pre-tightening nut 7 is prevented from rotating when the lock nut 4 is screwed, the lock nut 4 is conveniently screwed, and the pre-compression amount of the combined spring 9 is conveniently adjusted. In other embodiments, a washer can be arranged between the locking nut and the pre-tightening nut, and the outer diameter of the washer is smaller than the thickness of the thinnest position of the hole wall of the threaded hole of the pre-tightening nut; the thickness of the wall of the separating sleeve can also be smaller than the thickness of the wall of the threaded hole of the locking nut at the thickest position. In order to increase the preload of the preload nut 7, a gasket is provided between the preload nut 7 and the spring tray 5 in this embodiment.
As shown in fig. 3, in order to reduce the volume of the spring operating mechanism, the spring tray 5 in this embodiment includes a barrel-shaped limiting portion inserted into the spring to radially limit the spring, and an outward-turned edge extending along a barrel wall of the barrel-shaped limiting portion, the outward-turned edge is in press fit with the combination spring 9, and the pre-tightening nut 7 is pressed on a barrel bottom of the barrel-shaped limiting portion. Therefore, even if the spacing sleeve 6 is added between the locking nut 4 and the pre-tightening nut 7, the length of the screw 8 does not need to be increased, and the volume of the spring operating mechanism is reduced. In other embodiments, a separating sleeve pressed against the barrel bottom of the barrel-shaped limiting part can be sleeved on the screw rod, and the pre-tightening nut is fixed above the separating sleeve; the spring tray can also be a plate-shaped structure pressed on the combined spring. As shown in fig. 3, the outer diameter of the locking nut sleeve 24 in this embodiment is smaller than the inner diameter of the pre-tightening nut sleeve 23. Therefore, when the precompression quantity of the combined spring 9 is adjusted, the pre-tightening nut sleeve 23 can be sleeved on the pre-tightening nut 7 without pulling out the locking nut sleeve 24, and the screwing of the two nuts and the use of the sleeve are facilitated. In other embodiments, the inner diameter or outer diameter of the locking nut sleeve and the pre-tightening nut sleeve may not be limited, but only the inner diameter of each of the spacer sleeves is ensured to be adapted to the outer diameter of the corresponding nut.
Considering that when the adjusting rod 22 applies force to the combination spring 9, there may be damage to the spring barrel 2 due to uneven application of force, the adjusting tool of the spring operating mechanism in this embodiment further includes a guide disc 25, the adjusting rod 22 presses the guide disc 25 to apply force to the combination spring 9, and the guide disc 25 is provided with a guide disc hole for the locking nut sleeve 24 and the pre-tightening nut sleeve 23 to pass through. The guide disc 25 is provided with a blind hole for inserting the adjusting rod 22 on the guide disc 25, and the spring tray 5 compresses the inner combined spring 9 of the spring barrel 2 under the pressure of the adjusting rod 22 on the guide disc 25. The force of the adjusting rod 22 is applied to the spring tray 5 through the guide disc 25, so that damage caused by uneven circumferential stress on the spring barrel 2 can be avoided. In other embodiments, no guide disc may be provided. In order to ensure that the combined spring 9 is evenly stressed in the circumferential direction, the number of the adjusting rods 22 is three, and the fixing seat 21 is evenly provided with three threaded holes for connecting the adjusting rods 22. In other embodiments, the adjustment rod may be provided in one, two, or more than four.
In order to avoid the disassembly and assembly of the fixing seat 21 and increase the efficiency of adjusting the precompression amount of the combination spring 9, the fixing seat 21 in this embodiment is fixed on the spring barrel 2, and a fixing seat hole for the guiding disc 25 to enter and exit the spring barrel 2 is formed on the fixing seat 21. The spring cartridge 2 can be directly put into or taken out from the fixed seat hole by the guide disc 25, so that the fixed seat 21 is prevented from being disassembled and assembled when the guide disc is taken and put. In other embodiments, the fixed seat is not provided with a fixed seat hole, and the fixed seat can be detached from the spring cylinder when the guide disc is put in or taken out; the fixing seat can also be fixed on other support structures, so long as the fixing seat is guaranteed to support and guide the adjusting rod.
The fixing base 21 in this embodiment is fixedly connected to the inner wall of the spring barrel 2, and the fixing base 21 is located at the end surface of the spring barrel 2. On one hand, the fixed seat 21 can be used as a part of a spring operating mechanism to prevent the combined spring 9 in the spring cylinder 2 from popping out of the spring cylinder 2 under abnormal conditions; on the other hand, when adjusting the pre-compression amount of the combination spring 9 in the spring actuator, the fixing seat 21 can be used as a part of the spring actuator adjusting tool. It should be noted that, in order to prevent the combination spring 9 from ejecting the spring case 2, a spring protection plate 1 is fixed above the spring case 2. Spring case 2 and fixing base 21 all are equipped with the through-hole on stretching into the part in the spring case 2, and the bolt passes the through-hole of aliging with spring case 2 and fixing base 21's fixed connection. In other embodiments, the fixed seat can be fixed on the outer part of the spring barrel or the end surface of the spring barrel; the fixed seat can also be fixed on other brackets which are convenient for fixing the fixed seat; the fixing seat can also be fixed on the spring cylinder by means of bonding, riveting and the like.
The invention relates to a specific adjusting process of a spring operating mechanism adjusting tool, which comprises the following steps: when the pre-compression amount of the combined spring 9 needs to be adjusted, the adjusting rod 22 is used for applying force to the combined spring 9, so that the energy of the combined spring 9 completely acts on the adjusting rod 22, the ratchet wrench is used for screwing the locking nut sleeve 24 to loosen the locking nut 4 for a certain distance, the ratchet wrench is used for screwing the pre-tightening nut sleeve 23 to loosen or compress the pre-tightening nut 7, the pre-compression amount of the combined spring 9 is reduced or increased according to the calculated adjusting amount, the ratchet wrench is used for screwing the locking nut 4 to adjust the energy of the combined spring 9, and the performance requirement of a circuit breaker product is met.
When the circuit breaker is switched on, the switching-on cam 20 rotates anticlockwise to push the switching-on cam roller 18, so that the main crank arm 16 drives the output shaft 17 to rotate clockwise until the switching-on holding pawl 15 and the switching-on latching system 14 complete latching, and the switching-on operation of the circuit breaker is realized. In the process, the main crank arm 16 pulls the spring tray 5 to compress the combined spring 9 through the main crank arm chain joint 19, the chain sheave 13, the plate type chain 11, the chain pull rod joint 10, the screw 8 and the pre-tightening nut 7 so as to store energy for opening. When the circuit breaker is opened, the closing locking system 14 is separated from the closing holding pawl 15 under the action of the electromagnet, the spring tray 5 is pushed under the action of the combined spring 9, and the main crank arm 16 and the output shaft 17 are pulled to rotate anticlockwise through the pretightening nut 7, the screw 8, the chain pull rod joint 10, the plate type chain 11 and the main crank arm chain joint 19, so that the opening operation of the circuit breaker is realized.
The invention provides a spring operating mechanism convenient for adjusting the pre-compression amount of a spring, and provides a spring operating mechanism adjusting tool matched with the spring operating mechanism for adjusting the spring. The matching design of the spring operating mechanism and the spring operating mechanism adjusting tool has the characteristics of simple structure and low cost. After the spring is compressed, the locking nut sleeve and the pre-tightening nut sleeve can be nested and used simultaneously, time and labor are saved, debugging is safe and reliable, sudden release of the spring or damage of parts in the debugging process is effectively prevented, related mechanical accidents are avoided, adjustment can be performed under the condition of completion of assembling, and the universal adjusting device has good universality. The spring operating mechanism adjusting tool is convenient to carry, install and debug, is a pure mechanical product, is suitable for places in any environment, has high cost performance and has good use value. The device has the advantages of few parts, small space size, short set time and the like, and has the advantages of convenience in operation, safety, reliability, low labor intensity, high debugging efficiency and the like. The structure can be adopted as long as the structure is provided with the locking nut and the pre-tightening nut, and the universality is strong.
In the specific embodiment of the spring operating mechanism of the present invention, the spring operating mechanism in this embodiment has the same structure as the spring operating mechanism described in the specific embodiment of the spring operating mechanism adjusting tool, and details are not repeated.
Claims (7)
1. The spring operating mechanism comprises a spring barrel, a spring and a spring tray which are installed in the spring barrel, wherein a screw rod extending out of the spring tray is arranged in the spring barrel, a pre-tightening nut which is used for jacking the spring tray to pre-tighten the spring is connected onto the screw rod, the spring operating mechanism is characterized in that a locking nut which is used for preventing the pre-tightening nut from loosening is also connected onto the screw rod, the outer diameter of the locking nut is smaller than that of the pre-tightening nut, a separation sleeve which is arranged between the pre-tightening nut and the locking nut is arranged on the screw rod, and the thickness of the wall of the separation sleeve is smaller than that of the thinnes.
2. The spring operating mechanism as claimed in claim 1, wherein the spring tray includes a barrel-shaped limiting portion inserted into the spring for radially limiting the spring and an outward turned edge extending along a barrel wall of the barrel-shaped limiting portion, the outward turned edge is in press fit with the spring, and the pre-tightening nut is pressed on a barrel bottom of the barrel-shaped limiting portion.
3. The spring operating mechanism according to claim 1 or 2, wherein the spring cylinder is connected with a fixed seat which is used for being in threaded fit with an adjusting rod of the adjusting tool of the spring operating mechanism.
4. The spring operating mechanism of claim 3, wherein the mounting base defines mounting base openings for the guide plate of the spring operating mechanism adjustment assembly to enter and exit the spring cartridge.
5. The adjusting tool for the spring operating mechanism is characterized by comprising a fixed seat and an adjusting rod which is connected to the fixed seat in a threaded manner, the adjusting tool for the spring operating mechanism further comprises a locking nut sleeve which is sleeved outside a locking nut to screw the locking nut and a pre-tightening nut sleeve which is sleeved outside a pre-tightening nut to screw the pre-tightening nut, the inner diameter of the locking nut sleeve is smaller than the inner diameter of the pre-tightening nut sleeve, the outer diameter of the locking nut is smaller than the outer diameter of the pre-tightening nut, the locking nut sleeve and the pre-tightening nut sleeve are arranged in a nested manner, when the pre-compression amount of the combined spring needs to be adjusted, the adjusting rod is firstly utilized to apply force on the combined spring, so that the energy of the combined spring is completely acted on the adjusting rod, then the locking nut sleeve is screwed by utilizing, and loosening or compressing the pre-tightening nut, reducing or increasing the pre-compression amount of the combined spring according to the calculated adjustment amount, and then screwing the locking nut by using a ratchet wrench to adjust the energy of the combined spring.
6. The spring operating mechanism adjusting tool of claim 5, further comprising a guide plate, wherein the adjusting rod presses against the guide plate to apply a force to the spring, and the guide plate is provided with a guide plate hole for the locking nut sleeve or the pre-tightening nut sleeve to pass through.
7. The spring operating mechanism adjusting tool according to claim 5 or 6, wherein the fixing seat is provided with a fixing seat hole for the guide disc to enter and exit the spring cylinder of the spring operating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910186003.1A CN109887799B (en) | 2019-03-12 | 2019-03-12 | Spring operating mechanism and adjusting tool thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910186003.1A CN109887799B (en) | 2019-03-12 | 2019-03-12 | Spring operating mechanism and adjusting tool thereof |
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| Publication Number | Publication Date |
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| CN109887799A CN109887799A (en) | 2019-06-14 |
| CN109887799B true CN109887799B (en) | 2020-07-31 |
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| CN201910186003.1A Active CN109887799B (en) | 2019-03-12 | 2019-03-12 | Spring operating mechanism and adjusting tool thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113539705B (en) * | 2021-06-03 | 2023-05-26 | 平高集团有限公司 | Spring energy adjusting tool for spring operating mechanism |
| CN114709114B (en) * | 2021-12-20 | 2023-10-10 | 河南平高电气股份有限公司 | Spring operating mechanism and speed characteristic adjusting method before assembly thereof |
| CN114496668B (en) * | 2021-12-20 | 2024-04-05 | 河南平高电气股份有限公司 | Spring operating mechanism and circuit breaker |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110120727A (en) * | 2010-04-29 | 2011-11-04 | 엘에스산전 주식회사 | Motor spring operator for switchgear |
| CN104143457B (en) * | 2013-09-26 | 2017-02-08 | 国家电网公司 | Device for regulating precompresssion amount of closing spring |
| CN103681018B (en) * | 2013-12-13 | 2016-01-20 | 中国西电电气股份有限公司 | A kind of buffer unit preventing high voltage ground switch induction discharge |
| CN104465240B (en) * | 2014-10-23 | 2016-10-05 | 上海思源高压开关有限公司 | The bindiny mechanism of a kind of splitting or integrating lock spring and regulation frock thereof |
| CN206619521U (en) * | 2017-03-16 | 2017-11-07 | 江苏华冠电器集团有限公司 | Adjustable breaker tripping spring structure |
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