CN219736796U - Circuit breaker testing device - Google Patents
Circuit breaker testing device Download PDFInfo
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- CN219736796U CN219736796U CN202321162770.7U CN202321162770U CN219736796U CN 219736796 U CN219736796 U CN 219736796U CN 202321162770 U CN202321162770 U CN 202321162770U CN 219736796 U CN219736796 U CN 219736796U
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- 230000006835 compression Effects 0.000 abstract description 10
- 238000007906 compression Methods 0.000 abstract description 10
- 238000009661 fatigue test Methods 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
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- 230000007547 defect Effects 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 utility model discloses a circuit breaker testing device which comprises a base, wherein the right side of the top of the base is connected with a side plate, the upper part of the side plate is rotationally connected with a transverse shaft through a bearing, the left end of the transverse shaft is connected with a round turntable, the left side wall of the round turntable is hinged with a traction rod through a pin shaft, the lower end of the traction rod is hinged with a vertical rod through a pin shaft, the bottom of the vertical rod is connected with a pressing plate, four corners of the top of the pressing plate are provided with guide holes, sliding rods are movably inserted in the guide holes, the front side and the rear side of the top of the base are connected with limiting pipes, springs are arranged in the limiting pipes, the right side wall of the side plate is connected with a supporting seat, the top of the supporting seat is connected with an electric push rod, and the upper end of the electric push rod is connected with a driving box; the spring compression device is reasonable in structural design, can adjust the compression length of the spring, is convenient for carrying out a fatigue test on the spring in a long-term compression state, can realize reciprocating compression of the spring by adjusting the height of the driving box and is convenient for testing the fatigue life of the spring, and convenient and practical.
Description
Technical Field
The utility model relates to the technical field of test devices, in particular to a circuit breaker test device.
Background
The circuit breaker is core equipment of an electric power system, and a spring mechanism in the circuit breaker is a mechanical operating mechanism which takes a spring as an energy storage element and utilizes the energy of the spring to realize the opening and closing movement of the circuit breaker. When the spring is tired or the force values are not matched, the mechanism is refused to be separated or refused to be closed; if the spring is damaged, the normal operation of the circuit breaker is directly affected, and the understanding of the fatigue characteristics of the spring is very important for the circuit breaker.
Therefore, the technical scheme in the application document still has the defects that on one hand, the device realizes the gravity change of a counterweight oil drum through oil liquid conveying, the process is slow, and on the other hand, the device cannot carry out quick repeated reciprocating compression on the spring, so that the fatigue life test during spring damage is not facilitated. For this purpose, we propose a circuit breaker testing device.
Disclosure of Invention
The utility model aims to provide a circuit breaker testing device which aims to overcome the technical problems in the prior art.
In order to achieve the technical purpose and achieve the technical effect, the utility model provides the following technical scheme:
the utility model provides a circuit breaker test device, includes the base, the top right side of base is connected with the curb plate, curb plate upper portion is connected with the cross axle through the bearing rotation, the left end of cross axle is connected with the circle carousel, circle carousel left side wall articulates there is the traction lever through the round pin axle, the traction lever lower extreme articulates there is the montant through the round pin axle, the montant bottom is connected with the clamp plate, the guiding hole has been seted up at clamp plate top four corners, the downthehole activity grafting of guiding hole has the slide bar, slide bar lower extreme rigid coupling base upper surface, both sides are connected with spacing pipe around the top of base, install the spring in the spacing pipe, curb plate right side wall is connected with the supporting seat, the supporting seat top is connected with electric putter, the electric putter upper end is connected with the drive box, the supporting seat outer wall is connected with the PLC controller.
Preferably, in the circuit breaker test device, a vertical groove for a transverse shaft to pass through is formed in the left side wall of the driving box, a first spur gear is connected to the right end of the transverse shaft, a bevel gear ring is connected to the right side of the outer wall of the transverse shaft, a driving motor is connected to the bottom of the inner wall of the driving box, a bevel gear is connected to the top output end of the driving motor, a transmission shaft is rotatably connected to the right side wall of the inner cavity of the driving box, a second spur gear is connected to the middle part of the outer wall of the transmission shaft, a first spur gear is connected to the second spur gear in a meshed mode, a worm wheel is connected to the left end of the transmission shaft, a worm is connected to the upper end of the worm wheel in a meshed mode, the worm is connected to the box wall of the driving box in a rotating mode through a bearing, and one end of the worm extending out of the driving box is connected with a hand wheel.
Preferably, in the circuit breaker testing device, a through hole is formed in the pressing plate, the through hole is correspondingly arranged right above the limiting pipe, a limiting rod penetrates through the through hole, an external thread is arranged at the lower end of the limiting rod, and a threaded hole matched with the external thread is formed in the top of the base.
Preferably, in the circuit breaker testing device, the front end and the rear end of the side plate are provided with slide ways, the slide ways are slidably connected with slide blocks, and a transparent enclosure is connected between the outer walls of the slide blocks.
Preferably, in the circuit breaker testing device, a counter is mounted on the transverse shaft, the counter is electrically connected with a turn number display, and the turn number display is fixed at the top of the side plate.
Preferably, in the circuit breaker testing device, the unfolding helix angle of the worm is smaller than the friction angle of contact of the worm gear and the worm.
The beneficial effects of the utility model are as follows:
the utility model has reasonable structural design, the lower end of the spring is arranged in the limiting pipe, the stability of compression and contraction movement of the spring is ensured by the limiting rod, the worm is meshed with the transmission worm wheel, the second spur gear is meshed with the transmission spur gear after the transmission shaft rotates, the pressing plate descends after the transverse shaft rotates, the compression length of the spring can be adjusted, and the fatigue test of the spring in a long-term compression state is facilitated; the driving mode is switched by adjusting the height of the driving box, the bevel gear is used for meshing the transmission bevel gear, the vertical rod can drive the pressing plate to reciprocate after the driving motor is started, the spring can be compressed in a reciprocating mode, the spring fatigue life can be tested conveniently, and the device is convenient and practical.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description of the specific embodiments will be briefly described below, it being obvious that the drawings in the following description are only some examples of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the mounting structure of the spring of the present utility model;
FIG. 3 is a schematic view showing the internal structure of the driving box according to the present utility model;
FIG. 4 is a side view of the rotary disk of the present utility model;
fig. 5 is a schematic structural view of the enclosure in the present utility model.
In the figure: 1. a base; 2. a side plate; 3. a horizontal axis; 4. a round turntable; 5. a traction rod; 6. a vertical rod; 7. a pressing plate; 8. a guide hole; 9. a slide bar; 10. a limiting tube; 11. a spring; 12. a support base; 13. an electric push rod; 14. a drive box; 15. a PLC controller; 21. a slideway; 22. a slide block; 23. a transparent enclosure; 31. a counter; 32. a turn number display; 71. a through hole; 72. a limit rod; 140. a hand wheel; 141. a vertical groove; 142. a spur gear I; 143. conical gear ring; 144. a driving motor; 145. bevel gears; 146. a transmission shaft; 147. a spur gear II; 148. a worm wheel; 149. a worm.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the embodiment is a circuit breaker testing device, which comprises a base 1, the top right side of the base 1 is connected with a side plate 2, the upper portion of the side plate 2 is rotatably connected with a cross shaft 3 through a bearing, the left end of the cross shaft 3 is connected with a rotary table 4, the left side wall of the rotary table 4 is hinged with a traction rod 5 through a pin shaft, the lower end of the traction rod 5 is hinged with a vertical rod 6 through a pin shaft, the bottom of the vertical rod 6 is connected with a pressing plate 7, four corners of the top of the pressing plate 7 are provided with guide holes 8, sliding rods 9 are movably inserted in the guide holes 8, the lower ends of the sliding rods 9 are fixedly connected with the upper surface of the base 1, limit pipes 10 are connected with front and rear sides of the top of the base 1, springs 11 are installed in the limit pipes 10, the right side wall of the side plate 2 is connected with a supporting seat 12, the top of the supporting seat 12 is connected with an electric push rod 13, the upper end of the electric push rod 13 is connected with a driving box 14, and the outer wall of the supporting seat 12 is connected with a PLC controller 15.
The vertical groove 141 that supplies cross axle 3 to pass has been seted up to the left side wall of drive box 14, cross axle 3 right-hand member is connected with straight-tooth wheel one 142, cross axle 3 outer wall right side is connected with bevel gear 143, drive box 14 inner wall bottom is connected with driving motor 144, driving motor 144 top output is connected with bevel gear 145, drive box 14 inner chamber right side wall rotates and is connected with transmission shaft 146, transmission shaft 146 outer wall middle part is connected with straight-tooth wheel two 147, straight-tooth wheel two 147 meshing is connected with straight-tooth wheel one 142, transmission shaft 146 left end is connected with worm wheel 148, worm wheel 148 upper end connection meshing is connected with worm 149, worm 149 passes through the bearing rotation and is connected with drive box 14 wall, the one end that worm 149 stretches out drive box 14 is connected with hand wheel 140.
The through hole 71 is formed in the pressing plate 7, the through hole 71 is correspondingly arranged right above the limiting pipe 10, the limiting rod 72 penetrates through the through hole 71, external threads are formed in the lower end of the limiting rod 72, a threaded hole matched with the external threads is formed in the top of the base 1, and the spring 11 is guaranteed to shrink along the vertical direction.
Slide ways 21 are arranged at the front end and the rear end of the side plate 2, sliding blocks 22 are connected in the slide ways 21 in a sliding mode, a transparent enclosing block 23 is connected between the outer walls of the two sliding blocks 22, the experimental area is conveniently shielded, and spring breakage and jumping are prevented.
The counter 31 is arranged on the transverse shaft 3, the counter 31 is electrically connected with the turn number display 32, and the turn number display 32 is fixed at the top of the side plate 2, so that the rotation turn number of the transverse shaft 3 can be monitored conveniently.
The expansion helix angle of the worm 149 is smaller than the friction angle of the worm 149 of the worm wheel 148, and a self-locking effect can be achieved.
The specific implementation mode of the utility model is as follows:
this device is external power supply in the use, place the spring 11 lower extreme in spacing pipe 10 during the experiment, utilize clamp plate 7 butt spring 11 upper end, stretch into gag lever post 72 along through-hole 71, utilize external screw fit screw hole to fix, can prevent to drop when spring 11 is experimental, guarantee spring 11 pressurized shrink motion's stationarity, drive worm 149 rotation through hand wheel 140, worm 149 meshing transmission worm wheel 148, make transmission shaft 146 drive straight-teeth wheel two 147 rotatory, straight-teeth wheel two 147 meshing transmission straight-teeth wheel one 142, make cross shaft 3 drive carousel 4 rotate, utilize slide bar 9 cooperation guiding hole 8 to carry out spacing direction, make dead lever 5 deflection back montant 6 drive depression bar 7 vertical movement, utilize the auto-lock effect of worm wheel 148 worm 149, can avoid clamp plate 7 to take place to remove because of gravity or spring 11 reaction force, conveniently adjust spring 11 compression length, can carry out long-term compression state's fatigue test to spring 11, drive driving box 14 through electric putter 13 and rise, straight-teeth wheel two 147 and straight-teeth wheel one 142 break away from, bevel gear 145 can mesh connection bevel gear 143, drive behind the driving motor start-teeth wheel 3, 6 can drive the counter spring 11 reciprocating device, thereby realize that the number of turns can be rotated by the number of turns is counted to the number of circle 31, the counter device is convenient for the display of circle is displayed to the practical, the number of turns is displayed to the number of circle is 3, the counter the number of circle is convenient for the spring is displayed to the counter 3 is convenient to the device is realized.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. The utility model provides a circuit breaker test device, includes base (1), its characterized in that: the utility model discloses a power tool is characterized in that a side plate (2) is connected with on the top right side of base (1), curb plate (2) upper portion is connected with cross axle (3) through the bearing rotation, the left end of cross axle (3) is connected with carousel (4), carousel (4) left side wall articulates through the round pin axle has traction lever (5), traction lever (5) lower extreme articulates through the round pin axle has montant (6), montant (6) bottom is connected with clamp plate (7), guiding hole (8) have been seted up in clamp plate (7) top four corners, guiding hole (8) internal activity grafting has slide bar (9), both sides are connected with spacing pipe (10) around the top of slide bar (9) lower extreme base (1), install spring (11) in spacing pipe (10), curb plate (2) right side wall is connected with supporting seat (12), supporting seat (12) top is connected with electric putter (13), electric putter (13) upper end is connected with driving box (14), supporting seat (12) outer wall connection has PLC (15).
2. The circuit breaker testing apparatus of claim 1, wherein: the utility model discloses a motor drive box, including driving case (14), right side wall, vertical groove (141) that supplies cross axle (3) to pass is offered to driving case (14), cross axle (3) right-hand member is connected with straight-tooth wheel (142), cross axle (3) outer wall right side is connected with awl tooth circle (143), driving case (14) inner wall bottom is connected with driving motor (144), driving motor (144) top output is connected with bevel gear (145), driving case (14) inner chamber right side wall rotates and is connected with transmission shaft (146), transmission shaft (146) outer wall middle part is connected with straight-tooth wheel two (147), straight-tooth wheel two (147) meshing is connected straight-tooth wheel one (142), transmission shaft (146) left end is connected with worm wheel (148), worm (148) upper end connection meshing is connected with worm (149), worm (149) are connected with driving case (14) wall through the bearing rotation, the one end that worm (149) stretches out driving case (14) is connected with hand wheel (140).
3. The circuit breaker testing apparatus of claim 1, wherein: the pressing plate (7) is internally provided with a through hole (71), the through hole (71) is correspondingly arranged right above the limiting pipe (10), a limiting rod (72) penetrates through the through hole (71), the lower end of the limiting rod (72) is provided with external threads, and the top of the base (1) is provided with a threaded hole matched with the external threads.
4. The circuit breaker testing apparatus of claim 1, wherein: slide ways (21) are arranged at the front end and the rear end of the side plate (2), sliding blocks (22) are connected in the slide ways (21), and a transparent enclosing shield (23) is connected between the outer walls of the two sliding blocks (22).
5. The circuit breaker testing apparatus of claim 1, wherein: the counter (31) is arranged on the transverse shaft (3), the counter (31) is electrically connected with the turn number display (32), and the turn number display (32) is fixed at the top of the side plate (2).
6. A circuit breaker testing apparatus according to claim 2, wherein: the expansion helix angle of the worm (149) is smaller than the friction angle of the worm (149) contacted by the worm wheel (148).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321162770.7U CN219736796U (en) | 2023-05-15 | 2023-05-15 | Circuit breaker testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321162770.7U CN219736796U (en) | 2023-05-15 | 2023-05-15 | Circuit breaker testing device |
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| Publication Number | Publication Date |
|---|---|
| CN219736796U true CN219736796U (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321162770.7U Active CN219736796U (en) | 2023-05-15 | 2023-05-15 | Circuit breaker testing device |
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| Country | Link |
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| CN (1) | CN219736796U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117007264A (en) * | 2023-10-07 | 2023-11-07 | 江苏威伦智能电气设备有限公司 | Fatigue testing device for pole-mounted circuit breaker |
-
2023
- 2023-05-15 CN CN202321162770.7U patent/CN219736796U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117007264A (en) * | 2023-10-07 | 2023-11-07 | 江苏威伦智能电气设备有限公司 | Fatigue testing device for pole-mounted circuit breaker |
| CN117007264B (en) * | 2023-10-07 | 2023-12-12 | 江苏威伦智能电气设备有限公司 | Fatigue testing device for pole-mounted circuit breaker |
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