CN221211516U - Plum blossom contact dismouting device - Google Patents

Plum blossom contact dismouting device Download PDF

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Publication number
CN221211516U
CN221211516U CN202322422085.XU CN202322422085U CN221211516U CN 221211516 U CN221211516 U CN 221211516U CN 202322422085 U CN202322422085 U CN 202322422085U CN 221211516 U CN221211516 U CN 221211516U
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CN
China
Prior art keywords
sleeve
main shaft
outer sleeve
plum blossom
side wall
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CN202322422085.XU
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Chinese (zh)
Inventor
施方通
倪红华
吕大青
徐良凯
盛颖
庄茗蔚
方向
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Shitong Electric Branch Of Zhejiang Bada Electronic Instrument Co ltd
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Shitong Electric Branch Of Zhejiang Bada Electronic Instrument Co ltd
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Priority to CN202322422085.XU priority Critical patent/CN221211516U/en
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Abstract

The utility model relates to a plum blossom contact dismounting device, which comprises a main shaft, an outer sleeve and an outer sleeve, wherein one end of the main shaft is rotationally connected to the outer sleeve, the other end of the main shaft is provided with external threads, the outer sleeve is provided with internal threaded holes matched with the external threads, the outer side wall of the outer sleeve is rotationally connected with a plurality of ejector rods for expanding the plum blossom contact, the ejector rods are uniformly arranged on the outer side wall of the outer sleeve, and the outer side wall of the outer sleeve is rotationally connected with a supporting rod connected with the ejector rods, so that the plum blossom contact dismounting device has the advantages that: through the internal thread hole on the outer axle sleeve and the external thread fit of main shaft, consequently, when the main shaft rotates, can control outer axle sleeve to do horizontal rectilinear motion on the main shaft, owing to rotate on the outer axle sleeve be connected with the vaulting pole that links to each other with the ejector pin, consequently the vaulting pole can control the ejector pin outwards strut or inwards draw in under the effect of outer axle sleeve to control the ejector pin struts the plum blossom contact, can effectually dismouting plum blossom contact, more convenient, swift than traditional dismouting mode.

Description

Plum blossom contact dismouting device
Technical Field
The utility model relates to a plum blossom contact dismounting device.
Background
The quincuncial contact is a basic accessory widely used in power equipment, and mainly comprises a support frame, a tension spring and a plurality of contact fingers, wherein the support frame is an annular body, the annular body is internally provided with the plurality of contact fingers, annular grooves are respectively formed in the outer walls of the two ends of the annular body, and the tension spring is arranged in the annular grooves. In the use process, the contact finger can form an oxide layer on the long-term running surface under the condition of high current, so that the contact resistance is increased, and the contact is heated or even burnt, so that the contact needs to be overhauled frequently.
The traditional dismounting mode of the existing plum blossom contact is that a spring on the plum blossom contact is directly pried through a screwdriver, and then the front end of the plum blossom contact is pressed by force, so that the plum blossom contact is propped up, and pressure is applied from the outside of the plum blossom contact, so that dismounting is completed. The plum blossom contact is scraped easily in the dismouting process, press plum blossom contact front end with force, and the atress is inhomogeneous leads to the fact the contact to warp easily, destroys plum blossom contact structure, leads to electrically conductive part contact failure, breaks down easily, produces the potential safety hazard, and the dismouting step is loaded down with trivial details simultaneously, wastes time and energy.
Disclosure of utility model
The utility model aims to solve the problem that the existing traditional plum blossom contact disassembling and assembling mode is time-consuming and labor-consuming, and provides the plum blossom contact disassembling and assembling device, and the stay bar on the outer shaft sleeve drives the ejector rod to prop up the plum blossom contact, so that the plum blossom contact disassembling and assembling process is simplified, and the working efficiency is greatly improved.
In order to solve the technical problems, the utility model is realized by the following technical scheme: the utility model provides a plum blossom contact dismouting device, includes main shaft, overcoat and outer axle sleeve, the one end of main shaft rotates to be connected on the overcoat, the other end of main shaft is equipped with the external screw thread, be equipped with on the outer axle sleeve with external screw thread matched with internal thread hole, rotate on the lateral wall of overcoat and be connected with the ejector pin that a plurality of struts the plum blossom contact, and the even setting of ejector pin is on the lateral wall of overcoat, rotate on the lateral wall of outer axle sleeve and be connected with the vaulting pole that links to each other with the ejector pin.
Preferably, the outer sleeve is provided with an inner shaft sleeve, the inner shaft sleeve is provided with a first mounting seat, and the ejector rod is rotationally connected to the first mounting seat.
Preferably, the outer side wall of the inner shaft sleeve is provided with a first embedding port for fixing the first mounting seat, the inner shaft sleeve is provided with a first cover plate, a second cover plate and screws, the first cover plate is arranged between the outer sleeve and the inner shaft sleeve, the second cover plate is arranged on one side of the inner shaft sleeve, and the screws sequentially penetrate through the second cover plate, the inner shaft sleeve and the first cover plate and then are fixed on the outer sleeve.
Preferably, the main shaft is provided with a limit nut, and the limit nut is provided with an elastic pin.
Preferably, the ejector rods comprise four front ejector rods and four rear ejector rods, and the front ejector rods and the rear ejector rods are arranged on the outer side wall of the outer sleeve in a staggered manner.
Preferably, the front ejector rod and the rear ejector rod comprise a first horizontal part, a vertical part and a second horizontal part, the first horizontal part is rotationally connected to the mounting seat through a first pin shaft, the vertical part is arranged between the first horizontal part and the second horizontal part, and the stay bar is rotationally connected to the first horizontal part.
Preferably, the second horizontal portion is provided with an upward extending top block, and the top block and the second horizontal portion are of an integrated structure.
Preferably, a second mounting seat is arranged on the outer side wall of the outer shaft sleeve, and the stay bar is rotationally connected to the second mounting seat.
Preferably, the outer shaft sleeve is provided with a second embedded inlet, two ends of the outer shaft sleeve are respectively provided with a third cover plate, and the second mounting seat is limited on the outer shaft sleeve through the third cover plates.
Preferably, a bearing is arranged between the outer sleeve and the main shaft, a hand wheel is arranged at the end part of the main shaft, and reticulate knurling is arranged on the outer side wall of the outer sleeve.
In summary, the utility model has the advantages that: through the internal thread hole on the outer axle sleeve and the external thread fit of main shaft, consequently, when the main shaft rotates, can control outer axle sleeve and do horizontal rectilinear motion on the main shaft, owing to rotate on the outer axle sleeve and be connected with the vaulting pole that links to each other with the ejector pin, consequently, the vaulting pole can outwards strut or inwards draw in under the effect of outer axle sleeve, thereby control the ejector pin struts the plum blossom contact, can effectual dismouting plum blossom contact, more convenient, swiftly, only need stretch into the plum blossom contact inside during the dismantlement, make outer axle sleeve do rectilinear motion on the main shaft through rotating the main shaft, outer axle sleeve drives the vaulting pole outwards strut, thereby drive the ejector pin outwards struts the plum blossom contact rear end, accomplish the dismouting, thereby the whole dismantlement technology has been simplified, operating personnel's working strength has been reduced, work efficiency has been improved, moreover, the ejector pin is evenly distributed on the lateral wall of overcoat, consequently, can realize even atress when guaranteeing the plum blossom contact dismantlement, thereby avoid the deformation of contact, the contact has improved plum blossom contact's life.
Drawings
The utility model is further described below with reference to the accompanying drawings:
Fig. 1 is a schematic structural view of a tulip contact dismounting device of the present utility model;
FIG. 2 is a schematic view of the structure of the inner sleeve according to the present utility model;
FIG. 3 is a schematic view of the outer sleeve according to the present utility model;
fig. 4 is a schematic structural diagram of the quincuncial contact dismounting device of the present utility model when being unfolded.
Reference numerals:
1 main shaft, 11 external screw thread, 12 limit nut, 13 hand wheel, 2 overcoat, 21 interior axle sleeve, 22 first mount pad, 23 first inlay entry, 24 first apron, 25 second apron, 26 screw, 3 outer axle sleeve, 31 second mount pad, 32 second inlay entry, 33 third apron, 4 ejector pin, 40 first round pin axle, 41 front ejector pin, 42 back ejector pin, 43 first horizontal part, 44 vertical part, 45 second horizontal part, 46 ejector blocks, 47 inclined section, 5 vaulting pole, 6 bearing.
Detailed Description
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the plum blossom contact dismounting device comprises a main shaft 1, an outer sleeve 2 and an outer sleeve 3, one end of the main shaft 1 is rotationally connected to the outer sleeve 2, the other end of the main shaft 1 is provided with an external thread 11, the outer sleeve 3 is provided with an internal thread hole matched with the external thread 11, the outer side wall of the outer sleeve 2 is rotationally connected with a plurality of ejector rods 4 for expanding the plum blossom contact, the ejector rods 4 are uniformly arranged on the outer side wall of the outer sleeve 2, and the outer side wall of the outer sleeve 3 is rotationally connected with a supporting rod 5 connected with the ejector rods 4.
The inner threaded hole on the outer shaft sleeve 3 is matched with the outer thread 11 of the main shaft 1, so that when the main shaft 1 rotates, the outer shaft sleeve 3 can be controlled to do horizontal linear motion on the main shaft 1, and the outer shaft sleeve 3 is rotationally connected with the supporting rod 5 connected with the supporting rod 4, so that the supporting rod 5 can control the supporting rod 4 to be outwards or inwards folded under the action of the outer shaft sleeve 3, the plum blossom contact is controlled to be supported by the supporting rod 4, the plum blossom contact can be effectively dismounted more conveniently and rapidly than the traditional dismounting mode, the supporting rod 4 only needs to be stretched into the plum blossom contact during dismounting, the main shaft 1 is rotated to enable the outer shaft sleeve 3 to do linear motion on the main shaft 1, the supporting rod 5 is driven to be outwards supported by the outer shaft sleeve 3, the rear end of the plum blossom contact is driven to be supported, the dismounting is completed, the whole dismounting process is simplified, the working strength of operators is reduced, the working efficiency is improved, the supporting rod 4 is uniformly distributed on the outer side wall of the outer sleeve 2, the plum blossom contact can be guaranteed to be uniformly stressed during dismounting, the plum blossom contact is prevented from deforming, and the service life of the plum blossom contact is prolonged.
The outer sleeve 2 is provided with the inner shaft sleeve 21, the inner shaft sleeve 21 is provided with the first mounting seat 22, the ejector rod in the embodiment is rotationally connected to the first mounting seat 22 through the second pin shaft, and the ejector rod 4 is rotationally connected to the first mounting seat 22, so that the mounting process of the ejector rod 4 is simplified, and the subsequent overhaul is facilitated. Specifically, the outer side wall of the inner sleeve 21 is provided with a first embedding opening 23 for fixing the first mounting seat 22, the inner sleeve 21 is provided with a first cover plate 24, a second cover plate 25 and screws 26, the first cover plate 24 is arranged between the outer sleeve 2 and the inner sleeve 21, the second cover plate 25 is arranged at one side of the inner sleeve 21, the screws 26 sequentially penetrate through the second cover plate 25, the inner sleeve 21 and the first cover plate 24 and then are fixed on the outer sleeve 2, in this embodiment, the first mounting seat 22 is embedded into the first embedding opening 23, the first embedding opening 23 can increase the contact area between the first mounting seat 22 and the inner sleeve 21, and the mounting quality of the first mounting seat 22 is improved. Secondly, the first apron 24 and the setting of second apron 25 can play certain fixed spacing effect to first mount pad 22, prevent during operation first mount pad 22 for form relative slip with first embedded entry 23, have improved the fixed quality of first mount pad 22, are favorable to the rotation of ejector pin 4. The main shaft 1 is provided with the limit nut 12, and the limit nut 12 is provided with an elastic pin, so that on one hand, the sliding displacement of the outer shaft sleeve 3 on the main shaft 1 can be effectively limited, on the other hand, the second cover plate 25 can be fixed to a certain extent, the limit nut can be fixed on the main shaft through the elastic pin, the relative movement between the limit nut and the main shaft is prevented, in the embodiment, the position of the limit nut can be adjusted according to actual operation requirements, and different disassembly and assembly requirements are met.
The ejector rod 4 comprises four front ejector rods 41 and four rear ejector rods 42, and the front ejector rods 41 and the rear ejector rods 42 are arranged on the outer side wall of the outer sleeve 2 in a staggered mode, double stress in the front-back direction of the plum blossom contact can be achieved, stress balance is guaranteed, and accordingly the expanding quality of the plum blossom contact is improved. The front ejector rod 41 and the rear ejector rod 42 respectively comprise a first horizontal portion 43, a vertical portion 44 and a second horizontal portion 45, the first horizontal portion 43 is rotationally connected to the mounting seat through a first pin shaft 40, the vertical portion 44 is arranged between the first horizontal portion 43 and the second horizontal portion 45, the supporting rod 5 is rotationally connected to the first horizontal portion 43, in the embodiment, the supporting rod 5 is rotationally connected to the first horizontal portion 43 through a rotating shaft, so that plum blossom contacts of different types can be adapted, and the whole installation and the disassembly are convenient. The second horizontal portion 45 is provided with an upward extending top block 46, the top block 46 and the second horizontal portion 45 are of an integrated structure, an inclined section 47 is further arranged between the second horizontal portion and the top block, the initial height of the top block can be improved, the opening angle of the top rod is effectively reduced, the top block is an arc-shaped top block, the contact area between the arc-shaped top block and the plum blossom contact can be increased, the distribution of arc shapes of the whole top rod when the whole top rod is opened is guaranteed, the expanding quality of the plum blossom contact is improved, the top block is favorably attached to the inner wall of the plum blossom contact, the inner wall (or the contact surface) of the plum blossom contact when the plum blossom contact is ensured to be expanded is uniformly stressed, in the embodiment, the front top rod and the rear top rod are all of an integrated structure, the integral installation strength can be improved, the installation process among the first horizontal portion 43, the vertical portion 44 and the second horizontal portion 45 can be simplified, and the whole production process is simplified.
The second mounting seat 31 is rotationally connected to the stay bar, the second embedding inlet 32 for mounting the second mounting seat is formed in the outer shaft sleeve, the installation of the stay bar and the outer shaft sleeve is realized through the second mounting seat and the second embedding port, the installation structure between the stay bar and the outer shaft sleeve can be simplified, and the installation structure is directly installed on the outer shaft sleeve relative to the stay bar without additionally punching a mounting hole of a mounting pin shaft on the outer shaft sleeve, so that the installation quality of the stay bar is improved, the follow-up overhaul is facilitated, and the service life of the outer shaft sleeve is also prolonged. The stay bar 5 in this embodiment is rotatably connected to the second mounting seat 31 through the third pin shaft, so that the mounting structure of the stay bar 5 is simplified, and subsequent overhauling and maintenance are facilitated. The both ends of outer axle sleeve 3 all are equipped with a third apron 33, second mount pad 31 is spacing on outer axle sleeve 3 through third apron 33, and the setting of second inlaying the mouth 32 makes things convenient for second mount pad 31 to install on outer axle sleeve 3 fast, and specific, second mount pad 31 imbeds in the second inlaying mouth 32, and secondly, setting up of third apron 33 can be spacing second mount pad 31 in second inlaying mouth 32, prevents the during operation second mount pad 31 and inlays the relative slip of mouth 32 for the second, and third apron 33 in this embodiment is fixed on outer axle sleeve 3 through countersunk screw. The bearing 6 is arranged between the outer sleeve 2 and the main shaft 1, the hand wheel 13 is arranged at the end part of the main shaft 1, the reticulate pattern knurling is arranged on the outer side wall of the outer sleeve, the bearing 6 is arranged to ensure that the main shaft 1 can rotate stably, the bearing 6 in the embodiment is preferentially arranged on the main shaft 1, specifically, the step for installing the bearing 6 is arranged on the main shaft 1, the two bearings 6 are arranged, the hand wheel 13 is arranged, the main shaft 1 is conveniently rotated, the reticulate pattern knurling is arranged to increase the friction force on the surface of the outer sleeve, and the use is convenient.
The above embodiments are merely illustrative embodiments of the present utility model, but the technical features of the present utility model are not limited thereto, and any changes or modifications made by those skilled in the art within the scope of the present utility model are included in the scope of the present utility model.

Claims (8)

1. The utility model provides a plum blossom contact dismouting device which characterized in that: the device comprises a main shaft, an outer sleeve and an outer sleeve, wherein one end of the main shaft is rotationally connected to the outer sleeve, an external thread is arranged at the other end of the main shaft, an internal thread hole matched with the external thread is formed in the outer sleeve, a plurality of ejector rods for expanding plum blossom contacts are rotationally connected to the outer side wall of the outer sleeve, the ejector rods are uniformly arranged on the outer side wall of the outer sleeve, and a supporting rod connected with the ejector rods is rotationally connected to the outer side wall of the outer sleeve;
The outer sleeve is provided with an inner shaft sleeve, the inner shaft sleeve is provided with a first mounting seat, and the ejector rod is rotationally connected to the first mounting seat; the novel inner shaft sleeve is characterized in that a first embedding opening for fixing a first mounting seat is formed in the outer side wall of the inner shaft sleeve, a first cover plate, a second cover plate and screws are arranged on the inner shaft sleeve, the first cover plate is arranged between the outer sleeve and the inner shaft sleeve, the second cover plate is arranged on one side of the inner shaft sleeve, and the screws sequentially penetrate through the second cover plate, the inner shaft sleeve and the first cover plate and then are fixed on the outer sleeve.
2. The tulip contact-dismounting device of claim 1, wherein: and the main shaft is provided with a limit nut, and the limit nut is provided with an elastic pin.
3. The tulip contact-dismounting device of claim 1, wherein: the ejector rods comprise four front ejector rods and four rear ejector rods, and the front ejector rods and the rear ejector rods are arranged on the outer side wall of the outer sleeve in a staggered mode.
4. A tulip contact-dismounting device as claimed in claim 3, wherein: the front ejector rod and the rear ejector rod comprise a first horizontal part, a vertical part and a second horizontal part, the first horizontal part is rotationally connected to the mounting seat through a pin shaft, the vertical part is arranged between the first horizontal part and the second horizontal part, and the stay bar is rotationally connected to the first horizontal part.
5. The tulip contact-dismounting device of claim 4, wherein: the second horizontal part is provided with an upward extending top block, and the top block and the second horizontal part are of an integrated structure.
6. The tulip contact-dismounting device of claim 1, wherein: the outer side wall of the outer shaft sleeve is provided with a second mounting seat, and the stay bar is rotationally connected to the second mounting seat.
7. The tulip contact-dismounting device of claim 6, wherein: the outer shaft sleeve is provided with a second embedded opening, two ends of the outer shaft sleeve are respectively provided with a third cover plate, and the second mounting seat is limited on the outer shaft sleeve through the third cover plates.
8. The tulip contact-dismounting device of claim 1, wherein: a bearing is arranged between the outer sleeve and the main shaft, a hand wheel is arranged at the end part of the main shaft, and reticulate knurling is arranged on the outer side wall of the outer sleeve.
CN202322422085.XU 2023-09-06 2023-09-06 Plum blossom contact dismouting device Active CN221211516U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322422085.XU CN221211516U (en) 2023-09-06 2023-09-06 Plum blossom contact dismouting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322422085.XU CN221211516U (en) 2023-09-06 2023-09-06 Plum blossom contact dismouting device

Publications (1)

Publication Number Publication Date
CN221211516U true CN221211516U (en) 2024-06-25

Family

ID=91566268

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322422085.XU Active CN221211516U (en) 2023-09-06 2023-09-06 Plum blossom contact dismouting device

Country Status (1)

Country Link
CN (1) CN221211516U (en)

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