CN214044700U - A special trolley for the replacement of current transformers in armored switch cabinets - Google Patents
A special trolley for the replacement of current transformers in armored switch cabinets Download PDFInfo
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- CN214044700U CN214044700U CN202022763833.7U CN202022763833U CN214044700U CN 214044700 U CN214044700 U CN 214044700U CN 202022763833 U CN202022763833 U CN 202022763833U CN 214044700 U CN214044700 U CN 214044700U
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Abstract
本实用新型设计了一种铠装开关柜电流互感器更换专用小车。包括装置架体、移动系统、支撑系统、升降系统，装置架体包括底架，底架前端两侧分别固设有立柱，两立柱顶部通过链条固定板相连，在底架后端的顶部固设有运输把手，底架两侧分别设有防倾覆组件；移动系统包括设置在底架前端底部两侧的运输前轮，和设置在底架后端底部两侧的运输后轮，运输后轮上装有滑轮刹车器；支撑系统包括固定连接在滑动板上的阶梯式过渡平台，在阶梯式过渡平台前端通过水平设置的转轴转动安装有支撑平台，在支撑平台与阶梯式过渡平台之间设置有水平调节装置。本方案提升电流互感器更换工作效率，节省人力物力，减少停电时间。
The utility model designs a special trolley for replacing the current transformer of an armored switch cabinet. It includes a device frame body, a mobile system, a support system, and a lifting system. The device frame body includes a bottom frame. Upright columns are fixed on both sides of the front end of the bottom frame. The tops of the two upright columns are connected by a chain fixing plate. The transport handle is provided with anti-overturning components on both sides of the chassis; the mobile system includes transport front wheels arranged on both sides of the bottom of the front end of the chassis, and rear transport wheels arranged on both sides of the bottom of the rear end of the chassis, and the rear transport wheels are equipped with Pulley brake; the support system includes a stepped transition platform fixedly connected to the sliding plate, a support platform is rotated and installed at the front end of the stepped transition platform through a horizontally arranged rotating shaft, and a level adjustment is arranged between the support platform and the stepped transition platform device. This solution improves the efficiency of current transformer replacement, saves manpower and material resources, and reduces power outage time.
Description
Technical Field
The utility model relates to an armoured switch cabinet current transformer changes operation instrument technical field, especially relates to a special dolly is changed to armoured switch cabinet current transformer.
Background
At present, the replacement operation of the current transformer of the armored switch cabinet mainly depends on manual carrying of the current transformer, manual lifting is carried out on a cable bin, and at least three persons are matched to complete the replacement operation. The current transformer is easy to fall off the hand and damage equipment due to the narrow space of the cable bin; when the cable is replaced, a worker is required to curl into the cable bin, the worker is easy to collide and hurt in the narrow space operation, and the worker is very inconvenient to operate in the narrow cable bin; the current transformer has large mass, is difficult to lift and construct by one person in a narrow space, and needs at least three persons to mutually cooperate to complete related replacement work. The whole construction operation time is long, the corresponding power failure time is long, and the requirements of improving the power supply reliability and improving the power use acquisition feeling of customers at the present stage are not met.
Therefore, the safety of personnel and equipment is easily injured in the replacement work of the traditional current transformer, the labor consumption and the efficiency of construction operation are low, the required power failure time is long, and the requirement on the reliability of power supply cannot be met.
In order to overcome not enough among the above-mentioned prior art, the utility model provides a special dolly is changed to armor cubical switchboard current transformer for realize that the whole car is multi-purpose: the method has the advantages that the problem of transportation of the current transformer from the engineering truck to the cable compartment of the switch cabinet is solved, and risks such as sliding of the current transformer, smashing injury of personnel and the like in the manual carrying process are avoided; secondly, the problems of time and labor consumption of the current transformer in the transportation and lifting of the cable bin are solved, and the current transformer can accurately reach the installation position; and thirdly, the replacement work efficiency of the current transformer is improved, manpower and material resources are saved, and the power failure time is reduced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a trolley special for replacing a current transformer of an armored switch cabinet, which can solve the technical problems that firstly, the transportation problem of the current transformer from an engineering truck to a cable cabin of the switch cabinet is solved, and the risks of the current transformer sliding off, personnel injury and the like in the manual carrying process are avoided; secondly, the problems of time and labor consumption of the current transformer in the transportation and lifting of the cable bin are solved, and the current transformer can accurately reach the installation position; and thirdly, the replacement work efficiency of the current transformer is improved, manpower and material resources are saved, and the power failure time is reduced.
The technical scheme of the utility model is that: a trolley special for replacing a current transformer of an armored switch cabinet comprises a device frame body, a moving system, a supporting system and a lifting system, wherein the device frame body comprises an underframe, stand columns are fixedly arranged on two sides of the front end of the underframe respectively, the tops of the two stand columns are connected through a chain fixing plate, a transportation handle is fixedly arranged on the top of the rear end of the underframe, and anti-overturning components are arranged on two sides of the top of the underframe respectively; the moving system comprises front transport wheels arranged on two sides of the bottom of the front end of the underframe and rear transport wheels arranged on two sides of the bottom of the rear end of the underframe, and the rear transport wheels are provided with pulley brakes; the lifting system comprises a hydraulic pump arranged in the middle of the bottom frame, the hydraulic pump is connected with a sliding plate through a chain transmission mechanism, and the sliding plate is slidably arranged on the two upright posts through sliding components at two ends; the support system comprises a stepped transition platform fixedly connected to the sliding plate, the front end of the stepped transition platform is rotatably provided with the support platform through a horizontally arranged rotating shaft, and a horizontal adjusting device is arranged between the support platform and the stepped transition platform. The scheme solves the problem of transportation of the current transformer from the engineering truck to the cable bin of the switch cabinet, and avoids the risks of sliding of the current transformer, smashing and injury of personnel and the like in the manual carrying process; the problems that the transportation and lifting of the current transformer in a cable bin are time-consuming and labor-consuming are solved, and the current transformer can accurately reach an installation position; the replacement work efficiency of the current transformer is improved, manpower and material resources are saved, and the power failure time is reduced. Through preventing the subassembly that topples, prevent that the dolly from appearing toppling in cable storehouse lift in-process. Guarantee the stability of supporting platform at the lift in-process through the pulley brake, through cascaded transition platform in order to stop cubical switchboard cable storehouse top frame restriction, can not produce the interference, make current transformer can accurately arrive the pre-installation position. Through horizontal adjusting device, can guarantee that supporting platform keeps the level all the time, make things convenient for follow-up current transformer to fix.
The utility model is further improved in that the overturn-preventing component comprises overturn-preventing brackets which are arranged on the two sides of the top of the underframe through rotating shafts; the overturn preventing support comprises a first support rod and a second support rod which are perpendicular to each other, one end of the first support rod is mounted on two sides of the top of the underframe through the rotating shaft, and the other end of the first support rod is fixedly connected with the second support rod; the anti-overturning device is characterized in that first fixing seats used for fixing anti-overturning supports are respectively arranged on two sides of the top of the underframe, second fixing seats are respectively arranged on handle upright rods on two sides of the transportation handle, and through holes capable of being matched with the second fixing seats and the first fixing seats are formed in the first supporting rod. The overturn-preventing support is fixed on the underframe through the matching of the through holes on the first fixing seat and the first support rod, and the overturn-preventing support is in a use state at the moment. When the anti-overturning support is not used, the anti-overturning support can be fixed on the transportation handle through the matching of the through holes on the second fixing seat and the first support rod.
The utility model discloses a further improvement still, chain drive mechanism is including being fixed in the pulley that the hydraulic pump stretched out the end top and around the chain in the pulley top, chain one end fixed connection is on the chain fixed plate, and the other end fixed connection of chain is on the sliding plate.
The utility model discloses a further improvement still, the pressurization footboard is installed to the hydraulic pump lower extreme, be equipped with the relief valve on the hydraulic pump. The hydraulic pump is depressurized by operating the relief valve, so that the support platform can be lowered to the lowest point.
The utility model discloses a further improvement still, cascaded transition platform includes fixed connection's first order and second order, constituted the space between first order and the second order, install horizontal adjusting device on the diaphragm at second order top, supporting platform rotates through the pivot and installs on the second order. The first step and the second step have a height difference, so that a space is formed, and the space plays a role in avoiding interference with a top frame of a cable compartment of the switch cabinet when the supporting platform is lifted.
The utility model discloses a further improvement still, horizontal adjusting device includes at least two sets of adjusting bolt, adjusting bolt all installs on the diaphragm at second order top. The adjusting bolt plays a role in ensuring that the supporting platform is always kept horizontal.
The utility model discloses a further improvement still, the slip subassembly includes the lift pulley, the rotatable installation of lift pulley is in the spout that the sliding plate both ends set up, the sliding plate passes through lift pulley and stand sliding connection.
The utility model has the advantages that the scheme solves the problem of transportation of the current transformer from the engineering truck to the cable cabin of the switch cabinet, and avoids the risks of sliding down of the current transformer, injury of personnel and the like in the manual handling process; the problems that the transportation and lifting of the current transformer in a cable bin are time-consuming and labor-consuming are solved, and the current transformer can accurately reach an installation position; the replacement work efficiency of the current transformer is improved, manpower and material resources are saved, and the power failure time is reduced. Through preventing the subassembly that topples, prevent that the dolly from appearing toppling in cable storehouse lift in-process. Guarantee the stability of supporting platform at the lift in-process through the pulley brake, through cascaded transition platform in order to stop cubical switchboard cable storehouse top frame restriction, can not produce the interference, make current transformer can accurately arrive the pre-installation position. Through horizontal adjusting device, can guarantee that supporting platform keeps the level all the time, make things convenient for follow-up current transformer to fix.
Furthermore, the utility model relates to a novelty, simple structure, dismantlement convenience, repacking cost are low, factor of safety is high, sexual valence relative altitude, possess bulkier market demand.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 schematic perspective view of an embodiment of the present invention.
Fig. 2 is a front view of the adjusting bolt according to the embodiment of the present invention.
In the figure, 1, a hydraulic pump, 2, a first step, 3, a transportation handle, 31, a handle upright rod, 4, a pressurizing pedal, 5, a chain, 51, a pulley, 6, a supporting platform, 7, a pin shaft, 1, a first support rod, 72, a second support rod, 73, a second fixing seat, 74, a third through hole, 75, a first fixing seat, 8, a second step, 9, a transportation front wheel, 10, a transverse plate, 11, an adjusting bolt, 12, a transportation rear wheel, 13, a sliding plate, 14, an underframe, 15, a sliding chute, 16, a chain fixing plate, 17 and an upright column.
Detailed Description
In order to make the technical solutions in the present invention better understood, 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, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
The following explains key terms appearing in the embodiments of the present invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description of the present invention, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise specifically indicated and limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be directly connected to each other, indirectly connected to each other through an intermediate member, or connected to each other through the inside of two members. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in the figure, the trolley special for replacing the current transformer of the armored switch cabinet comprises an underframe 14, wherein front transport wheels 9 are arranged on two sides of the bottom of the front end of the underframe 14, rear transport wheels 12 are arranged on two sides of the bottom of the rear end of the underframe 14, and a pulley brake is arranged on the rear transport wheels 12 of a frame body; the two sides of the front end of the underframe 14 are respectively and fixedly provided with an upright post 17, the tops of the two upright posts 17 are connected through a chain fixing plate 16, the middle part of the underframe 14 is provided with a hydraulic pump 1, the hydraulic pump 1 is provided with a pressure release valve, the lower end of the hydraulic pump 1 is provided with a pressurizing pedal 4, the top of the extending end of the hydraulic pump 1 is fixedly provided with a pulley 51, a chain 5 winds around the pulley 51, one end of the chain 5 is fixedly connected to the chain fixing plate 16, and the other end of the chain 5 is fixedly connected to the sliding plate 13; sliding grooves 15 are formed in two ends of the sliding plate 13, a rotatable lifting pulley is mounted in each sliding groove 15, the sliding plate 13 is connected with the upright posts 17 in a sliding mode through the lifting pulleys, and the sliding plate 13 is fixedly connected with a stepped transition platform 13; the stepped transition platform comprises a first step 13 and a second step 8 which are connected with each other and have a height difference, at least two groups of adjusting bolts 11 are arranged on a transverse plate 10 at the top of the second step 8, and the supporting platform 6 is rotatably arranged on the second step 8 through a rotating shaft which is horizontally arranged; a transport handle 3 is fixedly arranged at the rear end of the underframe 14; the two sides of the top of the underframe 14 are respectively rotatably provided with an anti-overturning bracket through a rotating shaft, the anti-overturning bracket comprises a first support rod 71 and a second support rod 72 which are perpendicular to each other, one end of the first support rod 71 is rotatably arranged on the two sides of the top of the underframe 14 through the rotating shaft, and the other end of the first support rod 71 is fixedly connected with the second support rod 72. Specifically, a first through hole and a third through hole 74 are formed in the first support rod 71; the two sides of the top of the underframe 14 are respectively provided with a first fixing seat 75 for fixing the overturn-preventing support, the first fixing seat 75 is provided with a second through hole matched with the first through hole, the handle upright rods 31 at the two sides of the transportation handle 3 are respectively provided with a second fixing seat 73, the second fixing seat 73 is provided with a fourth through hole matched with a third through hole 74, the pin shaft 7 can simultaneously penetrate through the first through hole and the second through hole to fix the overturn-preventing support on the underframe 14, or simultaneously penetrate through the third through hole 74 and the fourth through hole to fix the overturn-preventing support on the handle upright rod 31.
During the use, the trolley is operated through the transportation handle 3, the current transformer is placed on the supporting platform 6 and then transported to a switch cabinet cable bin, the overturn prevention support is placed in place, the position of the trolley is fixed through the operation pulley brake, the supporting platform 6 is kept horizontal through the adjusting bolt 11, the operation handle 3 is held by hand, an operator lightly steps on the pressurizing pedal 4 to drive the chain transmission mechanism to integrally lift the supporting platform 6 and the stepped transition platform, and the operator installs and fixes the transformer after the transformer reaches the preinstalled position. The support platform 6 is lowered to the lowest point by the rotary pressure relief valve, the overturn-preventing support is folded, the pulley brake is loosened, the trolley is placed at the original position, and the operation is completed.
The beneficial effects of the utility model reside in that, transport front wheel 9 and transportation rear wheel 12 are installed to the dolly bottom, realize dolly quick travel. The pulley brake is additionally arranged on the transportation rear wheel 12, so that the trolley is prevented from sliding, and the stability of the trolley in the lifting process is ensured. The supporting platform 6 can be freely folded and unfolded through the horizontally arranged rotating shaft, so that the space is saved, and the trolley is convenient to store when not in use and is convenient to disassemble and maintain quickly in case of failure. Through preventing the subassembly that topples, prevent that the dolly from appearing toppling in cable storehouse lift in-process. The top frame of the cable bin of the switch cabinet is prevented from being limited by the stepped transition platform, interference cannot be generated, and the current transformer can accurately reach the pre-installation position. Through horizontal adjusting device, can guarantee that supporting platform 6 remains the level throughout, make things convenient for follow-up current transformer to fix. The overturn-preventing bracket is fixed on the underframe 14 through the matching of the through holes on the first fixing seat 75 and the first support rod 71, and the overturn-preventing bracket is in a use state. When the anti-overturning bracket is not used, the anti-overturning bracket can be fixed on the transportation handle 3 through the matching of the through holes on the second fixing seat 73 and the first support rod 71. The hydraulic pump 1 is depressurized by operating the relief valve, so that the support platform 6 can be lowered to the lowest point. The first step 2 and the second step 8 have a height difference, so that a space is formed, and the space plays a role in avoiding interference with a top frame of the cable compartment of the switch cabinet when the supporting platform 6 is lifted.
When this scheme guaranteed personnel's equipment safety, solved artifical change mutual-inductor and wasted time, hard difficulty, saved the manpower, improved efficiency, shortened the power off time. Firstly, realize transportation and lift integration in the technique, greatly made things convenient for the change operation, can go deep into cable storehouse supporting platform 6 and can avoid strideing across the bottom frame completely, change process safe and reliable more. Secondly, the safety of personnel and equipment is greatly ensured in safety. Mutual inductor is transported through the trolley, so that the risk that the mutual inductor slips and falls to be injured and a person injures by a crashing object in the manual transportation process is avoided. The trolley lifting system does not need workers to drill into the cable bin, and collision and damage of the workers in the cable bin are avoided.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A trolley special for replacing a current transformer of an armored switch cabinet is characterized by comprising a device frame body, a moving system, a supporting system and a lifting system, wherein the device frame body comprises an underframe (14), stand columns (17) are fixedly arranged on two sides of the front end of the underframe (14) respectively, the tops of the two stand columns (17) are connected through a chain fixing plate (16), a transport handle (3) is fixedly arranged on the top of the rear end of the underframe (14), and anti-overturning components are arranged on two sides of the top of the underframe (14) respectively; the moving system comprises front transport wheels (9) arranged on two sides of the bottom of the front end of the underframe (14) and rear transport wheels (12) arranged on two sides of the bottom of the rear end of the underframe (14), and pulley brakes are arranged on the rear transport wheels (12); the lifting system comprises a hydraulic pump (1) arranged in the middle of the bottom frame (14), the hydraulic pump (1) is connected with a sliding plate (13) through a chain transmission mechanism, and the sliding plate (13) is slidably mounted on two upright posts (17) through sliding components at two ends; the support system comprises a stepped transition platform fixedly connected to the sliding plate (13), the front end of the stepped transition platform is rotatably provided with a support platform (6) through a rotating shaft horizontally arranged, and a horizontal adjusting device is arranged between the support platform (6) and the stepped transition platform.
2. The trolley special for replacement of the armored switch cabinet current transformer as claimed in claim 1, wherein the overturn-preventing assembly comprises overturn-preventing brackets mounted on both sides of the top of the bottom frame (14) through rotating shafts; the overturn preventing support comprises a first support rod (71) and a second support rod (72) which are perpendicular to each other, one end of the first support rod (71) is installed on two sides of the top of the underframe (14) through the rotating shaft, and the other end of the first support rod (71) is fixedly connected with the second support rod (72); the anti-overturning device is characterized in that first fixing seats (75) used for fixing the anti-overturning support are respectively arranged on two sides of the top of the bottom frame (14), second fixing seats (73) are respectively arranged on handle upright rods (31) on two sides of the transportation handle (3), and through holes which can be matched with the second fixing seats (73) and the first fixing seats (75) are formed in the first support rod (71).
3. The trolley special for replacement of the current transformer of the armored switch cabinet as claimed in claim 1, wherein the chain transmission mechanism comprises a pulley (51) fixed on the top of the extending end of the hydraulic pump (1) and a chain (5) wound above the pulley (51), one end of the chain (5) is fixedly connected to the chain fixing plate (16), and the other end of the chain (5) is fixedly connected to the sliding plate (13).
4. The trolley special for replacing the current transformer of the armored switch cabinet as claimed in claim 1, wherein a pressurizing pedal (4) is mounted at the lower end of the hydraulic pump (1), and a pressure release valve is arranged on the hydraulic pump (1).
5. The trolley special for replacing the armored switch cabinet current transformer is characterized in that the stepped transition platform comprises a first step (2) and a second step (8) which are fixedly connected, a space is formed between the first step (2) and the second step (8), a horizontal adjusting device is installed on a transverse plate (10) at the top of the second step (8), and the supporting platform (6) is rotatably installed on the second step (8) through a rotating shaft.
6. The trolley special for replacement of the armored switch cabinet current transformer is characterized in that the horizontal adjusting device comprises at least two groups of adjusting bolts (11), and the adjusting bolts (11) are installed on a transverse plate (10) at the top of the second step (8).
7. The trolley special for replacing the armored switch cabinet current transformer as claimed in claim 1, wherein the sliding assembly comprises a lifting pulley, the lifting pulley is rotatably installed in sliding grooves (15) formed in two ends of a sliding plate (13), and the sliding plate (13) is slidably connected with an upright post (17) through the lifting pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022763833.7U CN214044700U (en) | 2020-11-25 | 2020-11-25 | A special trolley for the replacement of current transformers in armored switch cabinets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022763833.7U CN214044700U (en) | 2020-11-25 | 2020-11-25 | A special trolley for the replacement of current transformers in armored switch cabinets |
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| Publication Number | Publication Date |
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| CN214044700U true CN214044700U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022763833.7U Active CN214044700U (en) | 2020-11-25 | 2020-11-25 | A special trolley for the replacement of current transformers in armored switch cabinets |
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| CN (1) | CN214044700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116960808A (en) * | 2023-08-01 | 2023-10-27 | 国网山东省电力公司蒙阴县供电公司 | Distribution network switchgear auxiliary maintenance device |
-
2020
- 2020-11-25 CN CN202022763833.7U patent/CN214044700U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116960808A (en) * | 2023-08-01 | 2023-10-27 | 国网山东省电力公司蒙阴县供电公司 | Distribution network switchgear auxiliary maintenance device |
| CN116960808B (en) * | 2023-08-01 | 2024-03-08 | 国网山东省电力公司蒙阴县供电公司 | Distribution network switchgear auxiliary maintenance device |
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