CN112751281B - Anti-toppling device for 10kV switch handcart - Google Patents
Anti-toppling device for 10kV switch handcart Download PDFInfo
- Publication number
- CN112751281B CN112751281B CN202011472244.1A CN202011472244A CN112751281B CN 112751281 B CN112751281 B CN 112751281B CN 202011472244 A CN202011472244 A CN 202011472244A CN 112751281 B CN112751281 B CN 112751281B
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- Prior art keywords
- handcart
- supporting rod
- switch
- supporting
- track
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/303—Bases or feet
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/54—Anti-seismic devices or installations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Handcart (AREA)
Abstract
The invention provides a tilting prevention device for a 10kV switch handcart, which aims to solve the problems that in the prior art, a switch is easy to tilt in the process of overhauling and transferring, so that equipment is damaged and personal injury is caused; the technical scheme includes that the handcart comprises a handcart body, a bearing plate is arranged at the upper part of the handcart body, a supporting device is arranged on at least one side of the handcart body, the supporting device comprises a track plate and a supporting rod, the track plate and the supporting rod are fixed on the outer side wall of the handcart body, one end of the supporting rod can slide along the track plate, the other end of the supporting rod extends towards the lower part of the front of the handcart body, and the track plate can serve as a fulcrum of the supporting rod to provide supporting force for preventing the handcart from toppling over; the invention has smart structure, and can effectively reduce or stop the risk of the switch toppling over on the handcart in the process of maintenance and transfer.
Description
Technical Field
The invention relates to the technical field of power switch overhauling and transportation, in particular to a 10kV switch handcart anti-toppling device.
Background
In the maintenance process of power equipment, the middle cabinet needs to be stored on a switch handcart for transfer or temporary storage in a switch maintenance state; in the process of moving a handcart switch, the handcart switch is thin and high, the gap of a cover plate in a switch chamber is large, the switch weighs about 200 kilograms, the trolley weighs about 40 kilograms, and the contact is protruded, so that the whole gravity center is positioned at the front upper part of the trolley, and once the wheel is clamped in the pushing process, the forward tilting is easily caused, and the plum blossom contact of the switch is easily damaged, even the personal injury is caused.
At present, operators do not have any anti-toppling measures after transferring a switch body from a switch cabinet to a switch handcart, and only rely on manual support and a lock catch on the handcart; this is prone to equipment and personal injury risks.
Therefore, it is necessary to design an anti-tipping device which can reduce or even prevent the 10kV switch from tipping over on the switch handcart, and avoid the damage of the plum blossom contact of the switch caused by the accident, the damage to the switch body and the influence on the normal operation and power supply.
Disclosure of Invention
The invention aims to provide a tilting prevention device for a 10kV switch handcart, which solves the problems that in the prior art, a switch is easy to tilt in the process of overhauling and transferring, so that equipment is damaged and personal injury is caused.
The invention provides a 10kV switch handcart toppling-preventing device which adopts the technical scheme that the device comprises a vehicle body, wherein a bearing plate is arranged at the upper part of the vehicle body, a supporting device is arranged on at least one side of the vehicle body, the supporting device comprises a track plate and a supporting rod, the track plate and the supporting rod are fixed on the outer side wall of the vehicle body, one end of the supporting rod can slide along the track plate, the other end of the supporting rod extends towards the front lower part of the vehicle body, and the track plate can serve as a fulcrum of the supporting rod to provide supporting force for preventing a handcart from toppling.
Preferably, the track plate is provided with a track groove, and one end of the support rod is located in the track groove and can slide along the track groove.
Preferably, the one end in track groove be open structure, the opening in track groove is towards automobile body front side lower part, the opening includes first inclined plane and second inclined plane, first inclined plane is located second inclined plane upper portion, first inclined plane and second inclined plane form tubaeform open structure.
Preferably, one end of the support rod, which is positioned in the track groove, is provided with a pin shaft, and the diameter of the pin shaft is larger than the minimum width of the opening part of the track groove, so that the support rod cannot be separated from the track groove.
Preferably, the supporting device further comprises a fixing plate installed between the track plate and the side wall of the vehicle body for fixing the supporting rod, and the fixing plate can float up and down on the inner side of the track plate.
Preferably, the fixing plate is provided with two connecting holes.
Preferably, the two sets of supporting devices are respectively positioned at the left side and the right side of the vehicle body.
Preferably, the one end that the bracing piece lies in the outside be equipped with auxiliary wheel, auxiliary wheel passes through muffjoint on the bracing piece, be connected with buffer spring between sleeve and the bracing piece.
Preferably, the side wall of the vehicle body is provided with a positioning hole, the outer side wall of the sleeve is provided with a telescopic pin, and the telescopic pin can be inserted into the positioning hole to realize the positioning of the supporting rod.
According to the invention, the support components are additionally arranged on the two sides of the trolley body, when the trolley is used, the support rod is arranged in the track groove on the track plate, and one end of the support rod extends towards the advancing direction, in the moving process of the trolley body, the auxiliary wheel plays an auxiliary support role under the action of the spring during normal running, so that the moving stability of the trolley body can be improved, when the wheels of the trolley body are blocked and cannot move, and the inclination trend is caused, at the moment, one end of the auxiliary wheel of the support rod can be supported against the ground due to the existence of the support rod, and a moment opposite to the inclination direction is formed under the interaction with the track plate, so that the risk that the switch inclines in the moving process through the handcart can be effectively reduced, and when the handcart is not provided with a load switch, the support rod can be retracted at the moment, and the aim of convenient storage is achieved.
In summary, the technical scheme of the invention at least has the following beneficial effects:
1. by designing the supporting device, the stability of the switch in moving in the maintenance process is improved, and the risk of damage caused by the toppling of the switch is reduced;
2. the horn mouth structure of the opening part of the track groove is designed, so that the supporting rod can reach a larger stress area during supporting, and a larger supporting force is improved;
3. by designing the buffer spring of the auxiliary wheel, the buffer spring can be well applied in normal work and in an unexpected state;
4. the design of the supporting devices with symmetrical two sides can effectively improve the stability of the whole vehicle body.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a side view of the support pole of the present invention in an expanded state;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the support rod of the present invention in a retracted state;
FIG. 4 is a schematic view of a fixing plate according to the present invention;
FIG. 5 is a schematic view of the positioning assembly of the present invention with the support pole retracted;
fig. 6 is a schematic view showing the state of each component when the present invention is tilted.
In the figure:
a vehicle body 1; a carrier plate 2; a track plate 3; a support rod 4; a track groove 5; a first inclined surface 6; a second inclined surface 7; a pin shaft 8; a fixed plate 9; a connecting hole 10; an auxiliary wheel 11; a sleeve 12; a buffer spring 13; positioning holes 14; and a telescopic pin 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in the attached drawings 1-6, the handcart comprises a handcart body 1, wherein a bearing plate 2 is arranged at the upper part of the handcart body 1, a supporting device is arranged at least one side of the handcart body 1 and comprises a track plate 3 and a supporting rod 4 which are fixed on the outer side wall of the handcart body 1, one end of the supporting rod 4 can slide along the track plate 3, the other end of the supporting rod 4 extends towards the lower part of the front of the handcart body 1, the track plate 3 can be used as a fulcrum of the supporting rod 4 to provide supporting force for preventing the handcart from toppling over, when in use, a switch assembly needing to be overhauled is placed on the bearing plate 2 on the handcart body 1, the supporting rod 4 extends out in an inclined way to form a supporting structure, when wheels are blocked in the moving process of the handcart body 1, the handcart body 1 can incline towards the moving direction under the action of inertia, at the moment, one end of the outer side of the supporting rod 4 can abut against the ground to form a reverse moment to avoid toppling over of the handcart body 1, as shown in figures 1 and 6.
In one embodiment of the present invention, a track groove 5 is formed on the track plate 3, one end of the support rod 4 is located in the track groove 5 and can slide along the track groove 5, and the track groove 5 has an irregular shape, mainly considering the stress condition and the convenience of the support rod movement, as shown in fig. 1 and 3.
One end of a track groove 5 in the invention is of an open structure, the opening part of the track groove 5 faces the lower part of the front side of a vehicle body 1, the opening part comprises a first inclined surface 6 and a second inclined surface 7, the first inclined surface 6 is positioned on the upper part of the second inclined surface 7, the first inclined surface 6 and the second inclined surface 7 form a horn-shaped open structure, one end of a support rod 4 positioned in the track groove 5 is provided with a pin shaft 8, the diameter of the pin shaft 8 is larger than the minimum width of the opening part of the track groove 5, the support rod 4 cannot be separated from the track groove 5 due to the horn-shaped open structure, meanwhile, the outer side of the support rod 4 can be convenient to adjust the inclination angle, a better support angle can be effectively realized, a better support effect is achieved, the retraction of the support rod 4 in the case of not moving is also facilitated, and the state of the invention when the support rod 4 is inclined due to jamming is shown in figure 3.
One embodiment of the supporting device comprises a fixing plate 9 arranged between a track plate 3 and the side wall of a vehicle body 1 and used for fixing a supporting rod 4, wherein the fixing plate 9 can float up and down on the inner side of the track plate 3, the track plate 3 is fixed on the side wall of the vehicle body 1 through screws, the fixing plate 9 is embedded between the track plate and the side wall of the vehicle body 1 and can float to a certain extent, the supporting device is suitable for adjustment of the supporting rod 4, the separation phenomenon caused by stress of the supporting rod 4 in the using process is avoided, and the supporting rod 4 can be fixed with the fixing plate in a fixed connection mode or can be connected with the fixing plate in a detachable mode.
When adopting the mode of can dismantling to connect, be equipped with two connecting holes 10 on fixed plate 9, as shown in figure 4, wherein the connecting hole 10 of lower part is used for the cartridge in the bracing piece 4 use, can be fine this moment prescribe a limit to the position of bracing piece 4, the floating effect of combining fixed plate 9 can effectually guarantee that bracing piece 4 can be fine when needs offset the inclined strut and support the marginal part at track groove 5 simultaneously, when not using to pack up bracing piece 4, the round pin axle of bracing piece 4 inserts in the connecting hole 10 of upper portion this moment, as shown in figure 3.
In order to ensure the stability in the using process, two sets of supporting devices are arranged and are respectively positioned at the left side and the right side of the vehicle body 1.
In order to avoid the blocking of the support rod 4 in the using process, one end of the support rod 4 positioned on the outer side is provided with an auxiliary wheel 11, the auxiliary wheel 11 is connected to the support rod 4 through a sleeve 12, and a buffer spring 13 is connected between the sleeve 12 and the support rod 4.
In order to facilitate better fixation when the support rod 4 is retracted when not in use, the side wall of the vehicle body 1 is provided with a positioning hole 14, the outer side wall of the sleeve 12 is provided with a telescopic pin 15, and the telescopic pin 15 can be inserted into the positioning hole 14 to realize positioning of the support rod 4, as shown in fig. 5.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (7)
1. The anti-toppling device for the 10kV switch handcart is characterized by comprising a handcart body, wherein a bearing plate is arranged at the upper part of the handcart body, a supporting device is arranged on at least one side of the handcart body, the supporting device comprises a track plate and a supporting rod, the track plate is fixed on the outer side wall of the handcart body, one end of the supporting rod can slide along the track plate, the other end of the supporting rod extends towards the lower part of the front of the handcart body, and the track plate can serve as a fulcrum of the supporting rod to provide supporting force for preventing the handcart from toppling; a track groove is formed in the track plate, and one end of the supporting rod is located in the track groove and can slide along the track groove; the one end in track groove be open structure, the opening in track groove is towards automobile body front side lower part, the opening includes first inclined plane and second inclined plane, first inclined plane is located second inclined plane upper portion, first inclined plane and second inclined plane form the open structure of loudspeaker form.
2. The anti-toppling device for the 10kV switch handcart according to claim 1, wherein a pin shaft is arranged at one end of the support rod, which is positioned in the rail groove, and the diameter of the pin shaft is larger than the minimum width of an opening part of the rail groove, so that the support rod cannot be separated from the rail groove.
3. The anti-toppling device for a 10kV switch handcart according to claim 1, wherein the supporting device further comprises a fixing plate arranged between the track plate and the side wall of the handcart body and used for fixing the supporting rod, and the fixing plate can float up and down on the inner side of the track plate.
4. The anti-toppling device for a 10kV switch handcart according to claim 3, wherein two connecting holes are formed in the fixing plate.
5. The 10kV switch handcart toppling and falling prevention device is characterized in that two sets of supporting devices are arranged on the left side and the right side of a handcart body respectively.
6. The 10kV switch handcart toppling and falling prevention device is characterized in that one end, located on the outer side, of the supporting rod is provided with an auxiliary wheel, the auxiliary wheel is connected to the supporting rod through a sleeve, and a buffer spring is connected between the sleeve and the supporting rod.
7. The 10kV switch handcart toppling and falling prevention device as claimed in claim 6, wherein a positioning hole is formed in the side wall of the handcart body, a telescopic pin is arranged on the outer side wall of the sleeve, and the telescopic pin can be inserted into the positioning hole to position the supporting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011472244.1A CN112751281B (en) | 2020-12-14 | 2020-12-14 | Anti-toppling device for 10kV switch handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011472244.1A CN112751281B (en) | 2020-12-14 | 2020-12-14 | Anti-toppling device for 10kV switch handcart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112751281A CN112751281A (en) | 2021-05-04 |
| CN112751281B true CN112751281B (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011472244.1A Active CN112751281B (en) | 2020-12-14 | 2020-12-14 | Anti-toppling device for 10kV switch handcart |
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| Country | Link |
|---|---|
| CN (1) | CN112751281B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114362022A (en) * | 2021-12-16 | 2022-04-15 | 贵州电网有限责任公司 | Operation anti-toppling device for KYN61 switch cabinet circuit breaker |
| CN115663667B (en) * | 2022-11-01 | 2023-06-23 | 国网安徽省电力有限公司阜阳供电公司 | Anti-toppling device for 35kV switch handcart and use method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4345908B2 (en) * | 2000-02-10 | 2009-10-14 | 新明和工業株式会社 | Dump truck rear door opener |
| CN105923071A (en) * | 2016-04-25 | 2016-09-07 | 江苏大学 | Toppling and falling prevention device |
| CN207177910U (en) * | 2017-09-30 | 2018-04-03 | 中铁十二局集团有限公司 | A kind of chassis overturn-preventing branch stake tool |
| CN207773164U (en) * | 2017-12-28 | 2018-08-28 | 晋江凯燕新材料科技有限公司 | A kind of overturning-preventing carrier |
| CN109437056A (en) * | 2018-11-09 | 2019-03-08 | 蒲培忠 | A kind of piler robot for preventing from toppling over |
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- 2020-12-14 CN CN202011472244.1A patent/CN112751281B/en active Active
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| CN112751281A (en) | 2021-05-04 |
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