CN112296942A - Special assembly and disassembly tools of handcart-type circuit breaker plum blossom contact - Google Patents
Special assembly and disassembly tools of handcart-type circuit breaker plum blossom contact Download PDFInfo
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- CN112296942A CN112296942A CN202011240758.4A CN202011240758A CN112296942A CN 112296942 A CN112296942 A CN 112296942A CN 202011240758 A CN202011240758 A CN 202011240758A CN 112296942 A CN112296942 A CN 112296942A
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- sleeve
- circuit breaker
- type circuit
- handle sleeve
- sleeve seat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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- Mechanical Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to a special disassembly and assembly tool for a plum blossom contact of a handcart type circuit breaker, and belongs to the technical field of disassembly and assembly tools for plum blossom contacts. The handle comprises a hand wheel, a handle sleeve, a plurality of link mechanisms and a movable block, wherein the hand wheel is arranged at one end part of the handle sleeve, the circumferential direction of each link mechanism is arranged at the other end part of the handle sleeve in a surrounding manner, an end cover is arranged between the hand wheel and the handle sleeve, a sleeve seat is arranged between each link mechanism and the handle sleeve, and the end cover and the sleeve seat are respectively in threaded connection with the handle sleeve. The invention solves the problems that the disassembly and assembly tool special for the plum blossom contact in the prior art is hard to rotate and the like.
Description
Technical Field
The invention relates to a special disassembly and assembly tool for a plum blossom contact of a handcart type circuit breaker, and belongs to the technical field of disassembly and assembly tools for plum blossom contacts.
Background
The plum blossom contact is the connecting device of KYN type cubical switchboard handcart switch movable contact arm and static contact, and because its structure is special, the dismantlement step that generally adopts in the actual work is: the contact is pressed on the front part of the contact by force, the binding force of a tension spring at the rear end is overcome to open the contact, and the disassembly and the assembly are finished after a spring on the plum blossom (spring binding type) contact is pried open, so that the traditional method is time-consuming and labor-consuming and is easy to damage the plum blossom contact; the plum blossom contact assembly and disassembly tools of prior art rotate the moment that needs greatly, and the instrument is after using for a long time, and threaded connection part's rotational resistance increases, has further aggravated required turning force.
The patent document with the prior art application number of CN202010773747.6 discloses a special disassembling tool for a portable tulip contact, which comprises a hollow handle seat, a pushing assembly and a linkage support rod assembly; the linkage support rod assembly is rotatably connected to the front of the handle seat and is used for opening the tulip contact; the pushing assembly comprises a hand wheel and a screw rod, the screw rod horizontally penetrates through the handle seat, a thrust bearing is sleeved on the outer ring of the middle section of the screw rod and is fixed in the handle seat, the front end of the screw rod extends outwards to penetrate through the handle seat, and the rear end of the screw rod is fixedly connected with the hand wheel; the linkage supporting rod assembly comprises a movable seat connected to the front end of a screw rod penetrating through the handle seat, a plurality of front supporting rods and a plurality of rear supporting rods, wherein the front supporting rods and the rear supporting rods are arranged along the circumferential direction of the screw rod in a staggered mode, a positioning block is arranged on the screw rod between the movable seat and the end of the handle seat, and the positioning block abuts against the handle seat tightly.
The disassembly and assembly tool special for the tulip contact in the reference example and the prior art has the problems of being hard to rotate and the like, so that the disassembly and assembly tool special for the tulip contact of the handcart type circuit breaker is provided for solving the problems.
Disclosure of Invention
In order to overcome the defects of labor-consuming rotation and the like of the existing disassembly and assembly tool special for the tulip contact, the disassembly and assembly tool special for the handcart type circuit breaker tulip contact is designed, and has the advantages of simple structure, labor-saving rotation and long service life.
In order to achieve the purpose, the invention adopts the following technical scheme:
a special disassembly and assembly tool for a handcart type breaker tulip contact comprises a hand wheel, a handle sleeve, a plurality of link mechanisms and a movable block, wherein the hand wheel is arranged at one side end of the handle sleeve; a transmission device is arranged in the handle sleeve and comprises a first rotating rod and a second rotating rod, the inner ends of the first rotating rod and the second rotating rod are in transmission connection through a planetary gear mechanism, one end, close to the end cover, of the first rotating rod is fixedly connected with a first screw rod, the outer end of the first screw rod penetrates through the end cover and is fixedly connected with a hand wheel, one end, close to the sleeve seat, of the second rotating rod is fixedly connected with a second screw rod, and the outer end of the second screw rod penetrates through the sleeve seat and is in threaded connection with the movable block; the planetary gear mechanism comprises an input shaft, an output shaft and a sun wheel, one end of the input shaft is fixedly connected with the first rotating rod, the other end of the input shaft is fixedly connected with the sun wheel, a gear ring is sleeved outside the sun wheel, a plurality of planetary wheels are arranged between the gear ring and the sun wheel and are respectively meshed with the gear ring and the sun wheel, a planetary frame is arranged between the planetary wheels and the output shaft, one end of the planetary frame is fixedly connected with the output shaft, and the other end of the planetary frame is fixed with the planetary wheels in a rotating mode.
The connecting rod mechanism comprises a push rod and a push rod, the same number of hinge grooves are formed in the sleeve seat and the movable block in a circumferential array mode, one end of the push rod is arranged in the hinge groove of the sleeve seat and is connected with the sleeve seat in a rotating mode, the other end of the push rod is fixedly connected with an arc supporting block, one end of the push rod is arranged in the hinge groove of the movable block and is connected with the movable block in a rotating mode, and the other end of the push rod is hinged with the rod body of the push rod through the hinge block.
The second screw rod body is provided with a thrust bearing, the inner ring of the thrust bearing is fixedly connected with the second screw rod, and the second screw rod is arranged at one end, close to the second rotating rod, of the sleeve seat in an embedded mode.
The sleeve seat and the end cover are also provided with embedded oil seals, and the oil seals are respectively arranged on one side of the end cover close to the first rotating rod and in a gap between one side of the thrust bearing and the sleeve seat.
The link mechanisms and the hinge grooves are 12 in number and are arranged in a staggered mode.
The push rod is Z-shaped, and the push rod is a straight rod and is Z-shaped formed by bending ninety degrees twice.
The end cover and the threaded end of the sleeve seat are inserted into the handle sleeve and are in threaded connection with the inner wall of the handle sleeve.
The penetrating end of the first screw rod is in threaded connection with the hand wheel and is fixed through a nut.
The number of the plurality of planet wheels is at least three.
Compared with the prior art, the invention has the following characteristics and beneficial effects: the invention can reduce the speed and increase the torque through the planetary gear mechanism arranged in the transmission device, thereby reducing the force for rotating the hand wheel; the end covers and the sleeve seats are arranged at the two ends of the handle sleeve, so that an oil cavity can be formed for filling lubricating oil, the service lives of the planetary gear mechanism and the thrust bearing can be prolonged, and the service life of the handle sleeve is prolonged; according to the invention, through the Z-shaped design of the push rod, the staggered arrangement of the connecting rod mechanisms can be realized, and the mutual interference of the connecting rod mechanisms and the arc-shaped supporting blocks is prevented; according to the invention, through 12 link mechanisms which are arranged in a staggered manner, better contact with the tulip contact can be realized, so that a good dismounting effect is realized; the oil seals are arranged on the end cover and the sleeve seat, so that oil in the oil cavity can be prevented from leaking.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front elevational view, in full section, of the present invention;
FIG. 3 is a partial view of the planetary gear mechanism of the present invention.
Wherein the reference numerals are: 10. a hand wheel; 20. a handle sleeve; 21. an end cap; 22. a sleeve seat; 23. an oil chamber; 30. a transmission device; 31. a first screw; 32. a first rotating lever; 33. a second rotating rod; 34. a thrust bearing; 35. oil sealing; 36. a second screw; 40. a planetary gear mechanism; 41. an input shaft; 42. an output shaft; 43. a sun gear; 44. a planet wheel; 45. a ring gear; 46. a planet carrier; 50. a link mechanism; 51. a movable block; 52. a push rod; 53. a top rod; 54. an arc-shaped supporting block; 55. a hinged block; 56. a hinge slot.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-3, the special disassembling tool for the tulip contact of the handcart type circuit breaker in the embodiment includes a hand wheel 10, a handle sleeve 20 and a link mechanism 50, wherein the hand wheel 10 is disposed on one side of the handle sleeve 20, the other side of the handle sleeve 20 is circumferentially provided with a plurality of link mechanisms 50 in an array manner, two ends of the handle sleeve 20 are respectively in threaded connection with an end cover 21 and a sleeve seat 22, a transmission device 30 is disposed in the handle sleeve 20, the transmission device 30 includes a first rotating rod 32 and a second rotating rod 33, inner ends of the first rotating rod 32 and the second rotating rod 33 are connected through a planetary gear mechanism 40, outer ends of the first rotating rod 32 and the second rotating rod 33 are both fixedly connected with a screw rod 31, the screw rod 31 on the first rotating rod 32 penetrates through the end cover 21 to be fixedly connected with the hand wheel 10, and the screw rod 31 on the second rotating rod 33 penetrates through; the planetary gear mechanism 40 comprises an input shaft 41, an output shaft 42 and a sun gear 43, one end of the input shaft 41 is fixedly connected with the first rotating rod 32, the other end of the input shaft is fixedly connected with the sun gear 43, the sun gear 43 is externally engaged with a plurality of planetary gears 44, the plurality of planetary gears 44 are internally engaged with a gear ring 45, the outer ring of the gear ring 45 is fixedly connected with the inner wall of the handle sleeve 20, the planet carrier 46 is connected with the plurality of planetary gears 44, one end of the output shaft 42 is fixedly connected with the planet carrier 46, and the other end of the output shaft is fixedly connected; further, a thrust bearing 34 is further arranged on the sleeve seat 22, the thrust bearing 34 is embedded at the inner end of the sleeve seat 22, and the penetrating end of the screw 31 on the second rotating rod 33 also penetrates through the inner ring of the thrust bearing 34 and is fixedly connected with the inner ring of the thrust bearing 34; furthermore, the sleeve seat 22 and the end cover 21 are embedded with oil seals 35, and the oil seals 35 are respectively arranged on one side of the end cover 21 close to the first rotating rod 32 and one side of the thrust bearing 34 close to the link mechanism 50; further, the end cover 21 and the threaded end of the sleeve seat 22 are inserted into the handle sleeve 20 and are in threaded connection with the inner wall of the handle sleeve 20; further, the penetrating end of the screw 31 on the first rotating rod 32 is in threaded connection with the hand wheel 10 and is fixed through a nut; further, the plurality of planetary gears 44 is at least three.
Referring to fig. 1-2, the link mechanism 50 includes a movable block 51, a push rod 52 and a push rod 53, the movable block 51 is in threaded connection with the penetrating end of the screw 31 on the second rotating rod 33, hinge grooves 56 with the same number as the link mechanism 50 are circumferentially arrayed on both the sleeve seat 22 and the movable block 51, one end of the push rod 53 is disposed in the hinge groove 56 of the sleeve seat 22 and is rotatably connected with the sleeve seat 22, the other end of the push rod 53 is fixedly connected with an arc-shaped supporting block 54, one end of the push rod 52 is disposed in the hinge groove 56 of the movable block 51 and is rotatably connected with the movable block 51, and the other end of the push rod 52 is in shaft hinge connection with the push rod 53 through a hinge block; further, the number of the link mechanisms 50 and the number of the hinge grooves 56 are 12, and the link mechanisms 50 are arranged in a staggered manner; further, the push rod 52 is zigzag-shaped.
The invention adopts the following principle:
during assembly, the transmission device 30 is sleeved into the handle sleeve 20, the gear ring is welded with the inner ring of the handle sleeve 20, the thrust bearing 34 and the oil seal 35 are installed on the sleeve seat 22, the other oil seal 35 is installed on the end cover 21, the sleeve seat 22 is fixed with the handle sleeve 20 through threads, lubricating oil is poured into the handle sleeve 20, the end cover 21 is installed and screwed down to complete sealing, and the hand wheel 10, the movable block 51 and the link mechanism 50 are installed to complete assembly.
When the novel contact is used, the novel contact is inserted into a plum blossom contact, then the hand wheel 10 is rotated, the hand wheel 10 drives the screw rod 31 and the first rotating rod 32 to rotate, the first rotating rod 32 drives the input shaft 41 of the planetary gear mechanism 40 to rotate, the input shaft 41 drives the sun wheel 43 to rotate, the gear ring 45 is fixedly connected to the inner wall of the handle sleeve 20, the planetary gear 44 and the sun wheel 43 are meshed to rotate and simultaneously do circular motion around the sun wheel 43, the circular motion of the planetary gear 44 drives the planetary carrier 46 to rotate, the second rotating rod 33 and the screw rod 31 on the second rotating rod 33 are made to rotate, the screw rod 31 rotates to enable the movable block 51 to move towards the screw rod 31, the movable block 51 moves to drive the push rod 52 to push the push rod 53 to rotate, the arc-shaped support block 54 at the top end of the push rod 53 to prop against.
In the description of the invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "two ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the invention.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the terms in the invention is understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a special assembly and disassembly tools of handcart-type circuit breaker plum blossom contact which characterized in that: the handle comprises a hand wheel (10), a handle sleeve (20), a plurality of link mechanisms (50) and a movable block (51), wherein the hand wheel (10) is arranged at one side end of the handle sleeve (20), the link mechanisms (50) are circumferentially arranged at the other side end of the handle sleeve (20), an end cover (21) is arranged between the hand wheel (10) and the handle sleeve (20), a sleeve seat (22) is arranged between the link mechanisms (50) and the handle sleeve (20), and the end cover (21) and the sleeve seat (22) are respectively in threaded connection with the handle sleeve (20);
a transmission device (30) is arranged in the handle sleeve (20), the transmission device (30) comprises a first rotating rod (32) and a second rotating rod (33), the inner ends of the first rotating rod (32) and the second rotating rod (33) are in transmission connection through a planetary gear mechanism (40), one end, close to the end cover (21), of the first rotating rod (32) is fixedly connected with a first screw rod (31), the outer end of the first screw rod (31) penetrates through the end cover (21) to be fixedly connected with a hand wheel (10), one end, close to the sleeve seat (22), of the second rotating rod (33) is fixedly connected with a second screw rod (36), and the outer end of the second screw rod (36) penetrates through the sleeve seat (22) to be in threaded connection with the movable block (51);
planetary gear mechanism (40) include input shaft (41), output shaft (42) and sun gear (43), input shaft (41) one end and first bull stick (32) fixed connection, the other end and sun gear (43) fixed connection, sun gear (43) overcoat is equipped with ring gear (45), a plurality of planet wheel (44) have been set up between ring gear (45) and sun gear (43), a plurality of planet wheel (44) mesh with ring gear (45) and sun gear (43) respectively, be provided with planet carrier (46) between planet wheel (44) and output shaft (42), planet carrier (46) one end and output shaft (42) fixed connection, the other end with a plurality of planet wheel (44) rotate fixedly.
2. The special disassembling tool for the tulip contact of the handcart type circuit breaker as claimed in claim 1, wherein: link mechanism (50) include push rod (52) and ejector pin (53), on sleeve seat (22) and movable block (51) equal circumference array seted up with link mechanism (50) the same articulated groove (56) of quantity, ejector pin (53) one end sets up in articulated groove (56) of sleeve seat (22) and rotates with sleeve seat (22) to be connected, and ejector pin (53) other end fixedly connected with arc brace piece (54), push rod (52) one end sets up in articulated groove (56) of movable block (51) and rotates with movable block (51) to be connected, and push rod (52) other end is articulated with ejector pin (53) pole body through articulated piece (55).
3. The special disassembling tool for the tulip contact of the handcart type circuit breaker as claimed in claim 1, wherein: the shaft of the second screw rod (36) is provided with a thrust bearing (34), the inner ring of the thrust bearing (34) is fixedly connected with the second screw rod (36), and the second screw rod (36) is embedded into one end, close to the second rotating rod (33), of the sleeve seat (22).
4. The special disassembling tool for the tulip contact of the handcart type circuit breaker as claimed in claim 3, wherein: and oil seals (35) are also embedded on the sleeve seat (22) and the end cover (21), and the oil seals (35) are respectively arranged in gaps between one side of the end cover (21) close to the first rotating rod (32) and one side of the thrust bearing (34) and the sleeve seat (22).
5. The special disassembling tool for the tulip contact of the handcart type circuit breaker as claimed in claim 2, wherein: the link mechanisms (50) and the hinge grooves (56) are 12 in number, and the link mechanisms (50) are arranged in a staggered mode.
6. The special disassembling tool for the tulip contact of the handcart type circuit breaker as claimed in claim 2, wherein: the push rod (52) is Z-shaped.
7. The special disassembling tool for the tulip contact of the handcart type circuit breaker as claimed in claim 1, wherein: the threaded ends of the end cover (21) and the sleeve seat (22) are inserted into the handle sleeve (20) and are in threaded connection with the inner wall of the handle sleeve (20).
8. The special disassembling tool for the tulip contact of the handcart type circuit breaker as claimed in claim 1, wherein: the penetrating end of the first screw rod (31) is in threaded connection with the hand wheel (10) and is fixed through a nut.
9. The special disassembling tool for the tulip contact of the handcart type circuit breaker as claimed in claim 1, wherein: the number of planet wheels (44) is at least three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011240758.4A CN112296942A (en) | 2020-11-09 | 2020-11-09 | Special assembly and disassembly tools of handcart-type circuit breaker plum blossom contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011240758.4A CN112296942A (en) | 2020-11-09 | 2020-11-09 | Special assembly and disassembly tools of handcart-type circuit breaker plum blossom contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112296942A true CN112296942A (en) | 2021-02-02 |
Family
ID=74325329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011240758.4A Pending CN112296942A (en) | 2020-11-09 | 2020-11-09 | Special assembly and disassembly tools of handcart-type circuit breaker plum blossom contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112296942A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114209361A (en) * | 2022-01-26 | 2022-03-22 | 重庆市江北区中医院 | High-efficient sampling device of vagina is used in gynaecology and obstetrics disease inspection |
| CN114505810A (en) * | 2022-04-06 | 2022-05-17 | 国网山东省电力公司临沂供电公司 | Tool for assembling and disassembling plum blossom head annular steel spring of transformer substation switch cabinet |
-
2020
- 2020-11-09 CN CN202011240758.4A patent/CN112296942A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114209361A (en) * | 2022-01-26 | 2022-03-22 | 重庆市江北区中医院 | High-efficient sampling device of vagina is used in gynaecology and obstetrics disease inspection |
| CN114505810A (en) * | 2022-04-06 | 2022-05-17 | 国网山东省电力公司临沂供电公司 | Tool for assembling and disassembling plum blossom head annular steel spring of transformer substation switch cabinet |
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