CN116852320A - Special mounting tool for plum blossom contact finger - Google Patents
Special mounting tool for plum blossom contact finger Download PDFInfo
- Publication number
- CN116852320A CN116852320A CN202310846525.6A CN202310846525A CN116852320A CN 116852320 A CN116852320 A CN 116852320A CN 202310846525 A CN202310846525 A CN 202310846525A CN 116852320 A CN116852320 A CN 116852320A
- Authority
- CN
- China
- Prior art keywords
- chuck
- connecting plate
- screw rod
- contact finger
- plum blossom
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims abstract description 29
- 210000000078 claw Anatomy 0.000 claims description 32
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000000956 alloy Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- B25B27/30—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 positioning or withdrawing springs, e.g. coil or leaf springs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention discloses a special installation tool for plum blossom contact fingers, relates to the technical field of power facility maintenance equipment, and solves the technical problems that in the prior art, assembly efficiency is low, workers are easy to hurt, and the conditions of spring deformation, plum blossom contact finger displacement and the like are caused by the fact that a screwdriver is not matched with a spring, so that the flow property of a plum blossom contact is reduced, heat is generated, and quality accidents are caused. The invention discloses a plum blossom contact spring assembly device, which is used for improving assembly efficiency of the plum blossom contact spring and solving the technical problem of accidents caused by replacing the spring by a screwdriver.
Description
Technical Field
The invention relates to the technical field of power facility maintenance equipment, in particular to a special installation tool for quincuncial contact fingers.
Background
The quincuncial contact finger is a common conductive sliding connection part, is installed on a high-voltage vacuum circuit breaker, a centrally installed switchgear or a handcart, and comprises a quincuncial contact finger and a spring installed on the quincuncial contact finger, wherein whether the pressure of the spring during use is normally and directly related to the safe operation of the power equipment. When the quincuncial contact finger is used for a long time, the spring is easy to fatigue and loose, and the safe and stable operation of the equipment is affected. Therefore, the spring needs to be replaced regularly, and the replacement mode of the spring is that the staff changes through the screwdriver at present, firstly, the assembly mode of the spring needs to be matched by a plurality of persons, the operation difficulty is high, the assembly efficiency is low, secondly, if the spring is not firmly gripped during installation, the spring is easy to bounce and hurt the staff, finally, the conditions of spring deformation, plum blossom contact finger displacement and the like are easy to cause in the process of replacing the spring due to the fact that the tool structure of the screwdriver is not matched with the spring, and the spring or the plum blossom contact finger loses the original effect, so that the preset pressure on the upper part of the contact is insufficient or uneven, the through-flow property is reduced, the heating is generated, and irreversible quality accidents are caused.
Disclosure of Invention
Aiming at the defects, the invention provides the special installation tool for the plum blossom contact finger, only one person is required to complete the replacement work of the spring of the plum blossom contact finger, the assembly efficiency is improved, meanwhile, the technical problems that in the prior art, the spring is bounced and damaged due to the fact that the spring is not firmly grasped, workers and the screwdriver tool structure is not matched with the spring, the spring is easy to deform, the plum blossom contact finger is displaced and the like in the process of replacing the spring, the preset pressure at the upper part of the contact is insufficient or uneven due to the fact that the spring or the plum blossom contact finger loses the original function are solved, so that the through-flow property is reduced, the heat is generated, and irreversible quality accidents are caused are solved, and the specific technical scheme is as follows:
the special installation tool for the plum blossom contact finger comprises a chuck, a connecting plate fixing end, a screw rod nut pair, an electric tool, a clamp spring retainer ring, a plurality of connecting plates and a plurality of clamping jaws;
the chuck is disc-shaped, and is provided with a plurality of first mounting seats;
the shape of the fixed end of the connecting plate is a stepped cylinder, and a plurality of second mounting seats are arranged on the fixed end of the connecting plate;
the screw rod nut pair penetrates through the middle of the chuck and is fixedly connected with the chuck, an internal thread matched with the screw rod is arranged in the screw rod nut pair, and the screw rod nut pair is sleeved on the screw rod and is in screw transmission connection with the screw rod;
one end of the screw rod is in transmission connection with the electric tool, the other end of the screw rod is connected with the connecting plate fixed end and penetrates through the connecting plate fixed end, the other end of the screw rod is sleeved with the clamp spring retainer ring, and the clamp spring retainer ring is connected with the upper end face of the connecting plate fixed end;
the two ends of the connecting plates are respectively provided with a first pin hole and a second pin hole, a plurality of connecting plates are rotationally connected with the fixed ends of the connecting plates through the first pin holes and the second mounting seats, and a plurality of connecting plates are rotationally connected with a plurality of clamping claws through the second pin holes;
one end of each of the clamping jaws is rotationally connected with the chuck through the first mounting seats, and the other ends of the clamping jaws are provided with claw heads which are used for hooking springs.
Preferably, the lower terminal surface of connecting plate stiff end is provided with a plurality of deflector, the bottom of deflector runs through the chuck, the deflector is used for providing forward direction guide effect, makes the chuck does not take place the skew in the removal in-process.
Preferably, a handle is further arranged on the peripheral side face of the chuck, the handle is fixedly connected with the chuck, and the handle is used for improving the safety performance of the quincuncial contact finger special installation tool.
Preferably, the anti-slip rubber sleeve is sleeved on the handle, a plurality of protrusions are arranged on the anti-slip rubber sleeve, and the anti-slip rubber sleeve is used for further improving the safety performance of the special installation tool for the plum blossom contact finger.
Preferably, the shape of the connecting plate is a rounded rectangle, and the connecting plate is used for avoiding the scratches of the corners of operators.
Preferably, the electric tool is a gear-adjustable motor.
Preferably, the chuck and the connecting plate are made of aluminum alloy.
Preferably, the jaw is made of alloy steel.
Preferably, the plurality of first mounting seats are distributed on the upper end face of the chuck at equal intervals.
Preferably, the plurality of second installation seats are distributed on the peripheral side face of the upper end of the fixing end of the connecting plate at equal intervals.
Compared with the prior art, the invention has the beneficial effects that:
according to the technical scheme, the plum blossom contact finger hooks the spring through the claw heads on the plurality of claws and drives the screw rod to rotate through the electric tool, the screw rod drives the screw rod nut pair to move up and down along the length direction of the screw rod, the screw rod nut pair is fixedly connected with the chuck, the screw rod nut pair drives the chuck to move up and down along the length direction of the screw rod, the relative distance between the chuck and the fixed end of the connecting plate is changed, so that the plurality of claws are opened or contracted, when the spring is detached, the spring is expanded to take down the spring from the plum blossom contact finger, when the spring is installed, the claw is contracted to fix the spring on the plum blossom contact finger.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a special installation tool for quincuncial contact fingers.
The clamping device comprises a 1-chuck, a 2-connecting plate fixed end, a 3-screw rod, a 4-screw rod nut pair, a 5-electric tool, a 6-clamp spring retainer ring, a 7-connecting plate, an 8-claw, a 9-first mounting seat, a 10-first pin hole, a 11-second pin hole, a 12-claw head, a 13-guide plate and a 14-handle.
Detailed Description
The technical solutions 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. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The terms "first," "second," "third," and the like, if any, are used for descriptive purposes only and for distinguishing between technical features and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Examples
As shown in fig. 1, the embodiment of the invention provides a special installation tool for quincuncial contact fingers, which comprises a chuck 1, a connecting plate fixing end 2, a screw rod 3, a screw rod nut pair 4, an electric tool 5, a clamp spring retainer ring 6, a plurality of connecting plates 7, a plurality of clamping claws 8, a plurality of guide plates 13 and a handle 14.
In this embodiment, as shown in fig. 1, the number of the connection plates 7 is 5, the number of the claws 8 is 5, the number of the connection plates 7 and the claws 8 is not fixed, and in other embodiments, the number of the connection plates 7 and the claws 8 can be appropriately increased or decreased according to practical situations, but the number of the connection plates 7 and the claws 8 needs to be consistent.
In this embodiment, as shown in fig. 1, the number of the guide plates 13 is 2, and the guide plates are disposed at two opposite ends of the lower end surface of the fixed end 2 of the connecting plate, and in other embodiments, the number of the guide plates 13 may be 4, and the number of the guide plates may be not fixed and may be increased or decreased appropriately.
The chuck 1 is disc-shaped, the chuck 1 is made of aluminum alloy, a plurality of first mounting seats 9 are arranged on the chuck 1, and the first mounting seats (9) are distributed on the upper end face of the chuck 1 at equal intervals.
In this embodiment, as shown in fig. 1, the number of the first mounting seats 9 is 5, the number of the first mounting seats 9 is identical to the number of the claws 8, and the 5 first mounting seats 9 are distributed at the edge of the upper end face of the chuck 1 at equal intervals along the circumferential direction of the chuck 1.
Wherein, the chuck 1 adopts the purpose of aluminum alloy material to be used for alleviateing instrument overall quality, lightens staff's burden.
The shape of connecting plate stiff end 2 is ladder type cylinder, be provided with a plurality of second mount pad on the connecting plate stiff end 2, a plurality of the equidistant distribution of second mount pad in the week side of connecting plate stiff end 2 upper end.
In this embodiment, as shown in fig. 1, the number of the second installation seats is 5, the number of the second installation seats is identical to the number of the connection plates, and the 5 second installation seats are equally spaced on the circumferential side surface of the cylindrical structure with smaller diameter at the upper end of the fixed end 2 of the connection plate.
The screw-nut pair 4 penetrates through the middle of the chuck 1 and is fixedly connected with the chuck 1, an internal thread matched with the screw rod 3 is arranged in the screw-nut pair 4, and the screw-nut pair 4 is sleeved on the screw rod 3 and is in screw transmission connection with the screw rod 3.
The middle of the chuck 1 is provided with a hole, the diameter of the hole is equal to the outer diameter of the screw-nut pair 4, the screw-nut pair 4 penetrates through the chuck 1 through the hole and then is fixedly connected with the chuck 1, and the mode of the fixed connection can be welding.
When the screw rod 3 rotates, the screw rod nut pair 4 can drive the chuck 1 to move up and down along the length direction of the screw rod 3.
One end of the screw rod 3 is in transmission connection with the electric tool 5, the electric tool 5 is a motor with adjustable gear, the other end of the screw rod 3 is connected with the connecting plate fixed end 2 and penetrates through the connecting plate fixed end 2, the other end of the screw rod 3 is sleeved with the clamp spring retainer ring 6, and the clamp spring retainer ring 6 is connected with the upper end face of the connecting plate fixed end 2.
Wherein, jump ring retaining ring 6 is used for limiting the axial motion of lead screw 3.
The two ends of the connecting plate 7 are respectively provided with a first pin hole 10 and a second pin hole 11, the shape of the connecting plate 7 is a round corner rectangle and is used for avoiding a corner scratch operator, the material of the connecting plate 7 is an aluminum alloy material, a plurality of connecting plates 7 are rotationally connected with the connecting plate fixing end 2 through the first pin holes 10 and the second mounting seats, and a plurality of connecting plates 7 are rotationally connected with a plurality of clamping claws 8 through the second pin holes 11.
The connecting plate 7 is rotatably connected with the connecting plate fixing end 2, and may be connected with the first pin hole 10 and the second mounting seat through rivets.
Wherein, the position that is close to the center on the jack catch 8 has seted up with the aperture of second pinhole 11 is equivalent the mounting hole, connecting plate 7 with jack catch 8 rotates to be connected, can be through rivet connection second pinhole 11 and the mounting hole on the jack catch 8.
Wherein, the connecting plate 7 is made of aluminum alloy material for reducing the overall weight of the tool and the burden of workers.
One end of each of the clamping claws 8 is rotationally connected with the chuck 1 through the first mounting seats 9, the other ends of the clamping claws 8 are provided with claw heads 12, the claw heads 12 are used for hooking springs, and the clamping claws 8 are made of alloy steel.
Wherein, as shown in fig. 1, the lower end of the claw 8 is rotatably connected with the first mounting seat 9.
When the chuck 1 and the connecting plate fixed end 2 move relatively, the clamping jaw 8 expands or contracts to drive the spring to expand or contract.
The claw 8 is made of alloy steel, so that the strength of the claw 8 is enhanced, and deformation caused by the elasticity of a spring after long-time use is avoided, so that the use is influenced.
In some embodiments, the lower end surface of the fixed end 2 of the connecting plate is provided with a plurality of guide plates 13, the bottom ends of the guide plates 13 penetrate through the chuck 1, and the guide plates 13 are used for providing a forward guiding function so that the chuck 1 does not deviate in the moving process.
In some embodiments, a handle 14 is further disposed on a peripheral side surface of the chuck 1, the handle 14 is fixedly connected with the chuck 1, and the handle 14 is used for improving safety performance of the quincuncial contact finger special installation tool.
In this embodiment, when the operator uses the quincuncial contact finger special installation tool, the operator may hold the handle 14 to improve the holding degree of the operator on the quincuncial contact finger special installation tool, so as to improve the safety performance of the quincuncial contact finger special installation tool.
In some embodiments, the handle 14 is sleeved with an anti-slip rubber sleeve, and the anti-slip rubber sleeve is provided with a plurality of protrusions, and the anti-slip rubber sleeve is used for further improving the safety performance of the quincuncial contact finger special installation tool.
In summary, the embodiment of the invention provides a special installation tool for plum blossom contact fingers, which hooks a spring through the claw heads on a plurality of claws and drives a screw rod to rotate through an electric tool, the screw rod drives a screw rod nut pair to move up and down along the length direction of the screw rod, the screw rod nut pair is fixedly connected with a chuck, the screw rod nut pair drives the chuck to move up and down along the length direction of the screw rod, so that the plurality of claws are opened or contracted, when the spring is detached, the spring is expanded to take down the spring from the plum blossom contact fingers, and when the spring is installed, the claw is contracted to fix the spring on the plum blossom contact fingers.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The special installation tool for the quincuncial contact fingers is characterized by comprising a chuck (1), a connecting plate fixed end (2), a screw rod (3), a screw rod nut pair (4), an electric tool (5), a clamp spring retainer ring (6), a plurality of connecting plates (7) and a plurality of clamping claws (8);
the chuck (1) is disc-shaped, and the chuck (1) is provided with a plurality of first mounting seats (9);
the connecting plate fixing end (2) is in a stepped cylinder shape, and a plurality of second installation seats are arranged on the connecting plate fixing end (2);
the screw-nut pair (4) penetrates through the middle of the chuck (1) and is fixedly connected with the chuck (1), an internal thread matched with the screw rod (3) is arranged inside the screw-nut pair (4), and the screw-nut pair (4) is sleeved on the screw rod (3) and is in screw transmission connection with the screw rod (3);
one end of the screw rod (3) is in transmission connection with the electric tool (5), the other end of the screw rod (3) is connected with the connecting plate fixed end (2) and penetrates through the connecting plate fixed end (2), the other end of the screw rod (3) is sleeved with the clamp spring retainer ring (6), and the clamp spring retainer ring (6) is connected with the upper end face of the connecting plate fixed end (2);
the two ends of the connecting plate (7) are respectively provided with a first pin hole (10) and a second pin hole (11), a plurality of connecting plates (7) are rotationally connected with the connecting plate fixed end (2) through the first pin holes (10) and the second mounting seats, and a plurality of connecting plates (7) are rotationally connected with a plurality of clamping claws (8) through the second pin holes (11);
one end of each of the plurality of claws (8) is rotationally connected with the chuck (1) through the plurality of first mounting seats (9), the other end of each of the plurality of claws (8) is provided with claw fingers (12), and the claw fingers (12) are used for hooking springs.
2. The quincuncial contact finger special installation tool according to claim 1, wherein the lower end face of the connecting plate fixed end (2) is provided with a plurality of guide plates (13), the bottom ends of the guide plates (13) penetrate through the chuck (1), and the guide plates (13) are used for providing a forward guiding function so that the chuck (1) does not deviate in the moving process.
3. The quincuncial contact finger special mounting tool according to claim 1, wherein a handle (14) is further arranged on the peripheral side surface of the chuck (1), the handle (14) is fixedly connected with the chuck (1), and the handle (14) is used for improving the safety performance of the quincuncial contact finger special mounting tool.
4. The special installation tool for the plum blossom contact finger according to claim 3, wherein an anti-slip rubber sleeve is sleeved on the handle (14), a plurality of protrusions are arranged on the anti-slip rubber sleeve, and the anti-slip rubber sleeve is used for further improving the safety performance of the special installation tool for the plum blossom contact finger.
5. The special installation tool for plum blossom contact fingers according to claim 1, wherein the shape of the connecting plate (7) is a round rectangle for avoiding the scratch of an operator by the edges.
6. The quincuncial contact finger special mounting tool according to claim 1, wherein the electric tool (5) is an adjustable gear motor.
7. The special installation tool for the quincuncial contact fingers according to claim 1, wherein the chuck (1) and the connecting plate (7) are made of aluminum alloy.
8. The quincuncial contact finger special installation tool according to claim 1, wherein the claw (8) is made of alloy steel.
9. The quincuncial contact finger special mounting tool according to claim 1, wherein a plurality of first mounting seats (9) are distributed on the upper end face of the chuck (1) at equal intervals.
10. The special installation tool for the quincuncial contact fingers according to claim 1, wherein a plurality of second installation seats are distributed on the peripheral side face of the upper end of the fixed end (2) of the connecting plate at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310846525.6A CN116852320A (en) | 2023-07-11 | 2023-07-11 | Special mounting tool for plum blossom contact finger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310846525.6A CN116852320A (en) | 2023-07-11 | 2023-07-11 | Special mounting tool for plum blossom contact finger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116852320A true CN116852320A (en) | 2023-10-10 |
Family
ID=88221227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310846525.6A Pending CN116852320A (en) | 2023-07-11 | 2023-07-11 | Special mounting tool for plum blossom contact finger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116852320A (en) |
-
2023
- 2023-07-11 CN CN202310846525.6A patent/CN116852320A/en active Pending
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