CN217362326U - Handcart platform capable of being lifted and adjusted in width - Google Patents

Abstract

The utility model discloses a handcart platform capable of being regulated in lifting and width, which comprises a frame, a lifting mechanism, a lifting rocking handle, a traversing mechanism, a traversing rocking handle and a supporting platform, wherein the frame comprises an underframe, a supporting frame and wheels, the lifting mechanism is arranged on the frame and is rotationally connected with the supporting frame in the frame, the traversing mechanism is arranged in the lifting mechanism, the supporting platform is arranged in the traversing mechanism, the lifting rocking handle is connected with the lifting mechanism, and the motion state of the lifting mechanism is changed through the lifting rocking handle so as to realize the adjustment of the traversing mechanism and the height of the supporting platform; the transverse rocking handle is connected with the transverse moving mechanism, and the distance between the transverse moving mechanisms is changed through the transverse rocking handle so as to adjust the width of the supporting platform. Adopt handcart platform, have simple structure, convenient operation, work efficiency is high, cost of maintenance is low, intensity of labour advantage such as little is particularly suitable for using widely.

Description

Handcart platform capable of being lifted and adjusted in width

Technical Field

The utility model relates to a power supply unit overhauls technical field, concretely relates to handcart platform that liftable and width were adjusted.

Background

The central circuit breaker is a key device of a high-voltage switch cabinet, the central circuit breaker which is relatively common and widely applied in the current power system is a 6-10kV central circuit breaker, the central circuit breaker is applied to a high-voltage motor with large capacity and a power switch of a 6-10kV system, the central circuit breaker can be divided into several grades of 800A, 1250A, 2000A, 2500A, 3000A and the like according to different capacities, the mechanism and the control circuit of the capacity are the same, and the only difference is that the size of the capacity is determined. The central circuit breaker is usually placed in a cabinet, and because the internal space of the cabinet is narrow, the central circuit breaker must be removed from the cabinet and then repaired. The central circuit breaker has a large volume and a heavy weight, so that a plurality of persons are required to cooperate with each other, and the circuit breaker can be moved out of the cabinet body by means of lifting equipment. At present, in maintenance and overhaul operations of an electric power system, a handcart platform is adopted in a common mode, a circuit breaker is pulled out of a compartment from a bracket, the handcart platform is also the only platform used by an operation power switch and a load switch of the electric power system, and handcart platforms with different capacities and sizes are required to be configured aiming at different circuit breakers, so that too many handcart platforms configured in a switch chamber are caused, a large amount of storage space is occupied, and the problem of congestion is caused.

In addition, in the routine maintenance and overhaul operation, the circuit breaker is frequently operated in a reciprocating mode, and the working position and the test position cause work, the contact of the test position is easy to damage, so that the switch cannot be opened and closed, namely, a secondary control loop is not communicated, the position contact needs to be repaired or replaced, but the limit contact is installed in the middle of an access mechanism at the bottom of the circuit breaker, the circuit breaker needs to be lifted from a handcart to a place where a lifting facility exists, the upper body of the circuit breaker is lifted by the lifting facility, the access mechanism connecting bolt at the lower part can be detached to separate a bottom plate, so that the position contact can be repaired or replaced, the whole process is very troublesome, as the circuit breaker is about 200 jin, a plurality of people can lift and carry the circuit breaker, the equipment can fall on the way to cause personal injury, and a large amount of time is wasted for carrying the equipment every time of rush repair. Therefore, in order to solve the problems of time and labor waste, low efficiency and reduction of personal injury risks, the platform trolley which is simple in structure, convenient to operate, capable of being lifted and adjusted in width is particularly required to be designed so as to adapt to middle-mounted circuit breakers with different capacities, meet on-site maintenance requirements and have important significance in solving the problems of manual carrying and personal injury risks.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to the problem that exists among the background art to a simple structure is provided, convenient operation, the handcart platform that the commonality is good, utilizes this handcart platform to be arranged in carrying formula circuit breaker, can realize the regulation of height and width, can satisfy the formula circuit breaker of putting in of different models, specifically speaking is a handcart platform that liftable and width were adjusted.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts does: a handcart platform capable of being lifted and adjusted in width comprises a frame, a lifting mechanism, a lifting rocking handle, a transverse moving mechanism, a transverse moving rocking handle and a supporting platform, wherein the frame comprises an underframe, a supporting frame and wheels, the supporting frame is arranged on the underframe, the wheels are arranged at the bottom of the underframe, the lifting mechanism is arranged on the frame and is rotationally connected with the supporting frame in the frame, the transverse moving mechanism is arranged in the lifting mechanism, the supporting platform is arranged in the transverse moving mechanism, the lifting rocking handle is connected with the lifting mechanism, and the lifting mechanism is changed in motion state through the lifting rocking handle so as to adjust the height of the transverse moving mechanism and the supporting platform; the transverse rocking handle is connected with the transverse moving mechanism, and the distance between the transverse moving mechanisms is changed through the transverse rocking handle so as to adjust the width of the supporting platform.

Furthermore, the handcart platform capable of lifting and adjusting the width is characterized in that the lifting mechanism comprises a transmission screw rod, a transmission gear, a threaded transmission shaft and a pressure bearing, a plurality of pressure bearings are arranged, the transmission screw rod is rotationally connected with the support frame through the pressure bearings, and the end part of the transmission shaft extends to the outer side of the supporting frame, the number of the threaded transmission shafts is two, namely a left threaded transmission shaft and a right threaded transmission shaft, the lower ends of the left and right thread transmission shafts are arranged on the underframe through a pressure bearing, the upper end of the transmission screw is arranged on the supporting frame through a pressure bearing, the top ends of the left threaded transmission shaft and the right threaded transmission shaft are respectively provided with a transmission gear meshed with the transmission screw rod, the left thread transmission shaft and the right thread transmission shaft are in transmission connection with the transmission screw rod through corresponding transmission gears respectively; the lifting rocking handle is fixedly connected with one end of the transmission screw rod extending to the outer side of the support frame; the transverse moving mechanism is arranged between the two threaded transmission shafts and is in transmission connection with the left threaded transmission shaft and the right threaded transmission shaft respectively; under the action of external force, the lifting rocking handle drives the transmission screw rod to rotate, the transmission screw rod is driven to rotate in the rotating process, the transmission gear drives the threaded transmission shaft to synchronously rotate, and the threaded transmission shaft drives the transverse moving mechanism which is rotationally connected with the threaded transmission shaft to move up and down, so that the height of the supporting platform which is connected with the transverse moving mechanism is adjusted.

Furthermore, the handcart platform capable of being lifted and adjusted in width and width is characterized in that the transverse moving mechanism comprises a connecting rod, a supporting arm, a connecting plate and a positive and negative threaded transmission shaft, the connecting rod comprises an upper connecting rod and a lower connecting rod, the supporting arm comprises a left supporting arm and a right supporting arm, the left end and the right end of the upper connecting rod and the right end of the lower connecting rod are respectively in transmission connection with the left threaded transmission shaft and the right threaded transmission shaft, the upper end and the lower end of the left supporting arm and the right supporting arm are respectively in sliding connection with the upper connecting rod and the lower connecting rod, the upper connecting rod and the lower connecting rod are fixedly connected through the connecting plate, and the positive and negative threaded transmission shaft is in transmission connection with the left supporting arm and the right supporting arm through the connecting plate; the transverse rocking handle is detachably connected with the positive and negative thread transmission shaft through the mounting groove in the connecting plate; under the action of external force, the transverse rocking handle drives the positive and negative threaded transmission shaft to rotate, the left supporting arm and the right supporting arm are driven to synchronously move inwards or outwards towards the positive and negative threaded transmission shaft and the center in the rotating process of the positive and negative threaded transmission shaft, and the width of the supporting platform connected with the transverse moving mechanism is adjusted through the synchronous movement of the left supporting arm and the right supporting arm.

Further, the utility model discloses a handcart platform that can rise and fall and width are adjusted, wherein still include connecting gear and connection bearing, positive and negative screw transmission shaft sets up to the middle and is polished rod portion, and both sides are the screw rod structure of screw thread portion, connecting gear is fixed in the polished rod portion in the positive and negative screw transmission shaft through the mounting groove in the connecting plate, is located the screw thread portion of connecting gear both sides, and wherein one side is the positive thread, and the opposite side is the opposite-thread corresponding with the positive thread, is equipped with the screw hole corresponding with positive and negative screw transmission shaft on left brace arm and the right brace arm respectively, through the screw thread mode looks spiro union between positive and negative screw transmission shaft and left brace arm and the right brace arm; the connecting plate is internally provided with a connecting hole matched with the connecting bearing, the connecting bearing is arranged in the connecting hole in the connecting plate, and the positive and negative thread transmission shaft is rotatably connected with the connecting plate through the connecting bearing in the connecting hole.

Further, a handcart platform that liftable and width were adjusted, wherein the sideslip rocking handle is including operation handle portion and transmission portion be equipped with in the transmission with connecting gear engaged with thread tooth, the sideslip rocking handle passes through the thread tooth in the transmission and is connected for dismantling the transmission with being fixed in the epaxial connecting gear of positive and negative screw thread transmission.

Further, a handcart platform that liftable and width were adjusted, wherein supporting platform is including left branch fagging, right branch fagging and locating plate, left stay arm fixed connection in the rear end of left branch fagging and the sideslip mechanism, right stay arm fixed connection in the rear end of right branch fagging and the sideslip mechanism, it arranges to be parallel state between left branch fagging and the right branch fagging, the front end of left branch fagging and right branch fagging with the connection can be dismantled to the locating plate.

Furthermore, the handcart platform capable of being lifted and adjusted in width and width provided by the invention is characterized in that the supporting platform further comprises two reinforcing rods, namely a left reinforcing rod and a right reinforcing rod, the left reinforcing rod and the right reinforcing rod are obliquely arranged between the left supporting plate and the right supporting plate, wherein the lower end of the left reinforcing rod is fixedly connected with a left supporting arm in the transverse moving mechanism, the upper end of the left reinforcing rod is fixedly connected with the middle front end of the left supporting plate, the lower end of the right reinforcing rod is fixedly connected with a right supporting arm in the transverse moving mechanism, and the upper end of the right reinforcing rod is fixedly connected with the middle front end of the right supporting plate; the left support plate and the right support plate are provided with middle L-shaped folded plate structures.

Furthermore, the handcart platform capable of being lifted and adjusted in width is characterized in that the underframe comprises two bottom plates and a transverse plate, and the underframe is welded with the transverse plate through the bottom plates to form a frame structure; the supporting frame comprises two supporting plates and a top plate, the supporting frame is of a frame structure formed by welding the supporting plates and the top plate, the two supporting plates are vertically fixed on a bottom plate in the bottom frame respectively, and the two supporting plates are fixedly connected through the top plate; the underframe and the support frame are fixed into an integral structure in a welding mode; the wheels are universal wheels with stoppers, four wheels are arranged on the bottom of each bottom plate, and the four wheels are arranged at the bottom of each bottom plate respectively.

Further, a handcart platform that liftable and width were adjusted, wherein the frame is still including passing the movable handle, it sets up between two support frames of keeping away from supporting platform one side to push away to remove the handle.

Adopt a handcart platform that liftable and width were adjusted, elevating system and sideslip mechanism through setting up, in the effect of lift rocking handle and sideslip rocking handle, can adjust through supporting platform's height and width, only need with supporting platform and cabinet body butt joint, then directly will lay at the internal central-positioned circuit breaker of cabinet and pull out from the cabinet body, and shift to supporting platform can, need not many people interoperation, also need not with the help of lifting by crane equipment, the quantity of handcart platform has not only been greatly reduced, effectively reduced the maintenance cost, maintenance personal's intensity of labour has also been alleviateed simultaneously, operating time is greatly shortened, manpower and financial resources are saved, work efficiency is improved. Adopt handcart platform, simple structure has, convenient operation, work efficiency is high, cost of maintenance is low, intensity of labour advantage such as little, simultaneously, can also make transformer fortune dimension management more normal and unified, reduce safe risk, have the significance to improve equipment management and transformer fortune dimension management level, be particularly suitable for using widely.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic perspective view of the first embodiment of the present invention;

fig. 2 is a schematic perspective view of the present invention.

Shown in the figure: 1-frame, 11-underframe, 12-support frame, 13-wheel, 2-lifting mechanism, 21-transmission screw rod, 22-transmission gear, 23-threaded transmission shaft, 24-pressure bearing, 3-lifting rocking handle, 4-traversing mechanism, 41-connecting rod, 42-supporting arm, 43-connecting plate, 44-positive and negative threaded transmission shaft, 45-connecting gear, 46-connecting bearing, 5-traversing rocking handle, 51-operating handle part, 52-transmission part, 6-supporting platform, 61-left supporting plate, 62-right supporting plate, 63-positioning plate and 64-reinforcing rod.

Detailed Description

To further illustrate the concept of the present invention, the following detailed description will be made with reference to the accompanying drawings:

as shown in fig. 1 and 2, the handcart platform capable of being lifted and adjusted in width according to the present invention comprises a frame 1, a lifting mechanism 2, a lifting rocking handle 3, a traversing mechanism 4, a traversing rocking handle 5 and a supporting platform 6, wherein the frame 1 comprises a bottom frame 11, a supporting frame 12 and wheels 13, the supporting frame 12 is arranged on the bottom frame 11, the wheels 13 are arranged at the bottom of the bottom frame 11, the lifting mechanism 2 is arranged on the frame 1 and is rotatably connected with the supporting frame 12 in the frame 1, the traversing mechanism 4 is arranged in the lifting mechanism 2, the supporting platform 6 is arranged in the traversing mechanism 4, the lifting rocking handle 3 is connected with the lifting mechanism 2, and the movement state of the lifting mechanism 2 is changed through the lifting rocking handle 3, so as to adjust the heights of the traversing mechanism 4 and the supporting platform 6; the transverse rocking handle 5 is connected with the transverse moving mechanism 4, and the distance between the transverse moving mechanism 4 is changed through the transverse rocking handle 5 so as to adjust the width of the supporting platform 6.

Furthermore, the handcart platform capable of lifting and adjusting the width of the handcart platform comprises a lifting mechanism 2, a transmission screw 21, a transmission gear 22, a threaded transmission shaft 23 and a pressure bearing 24, a plurality of pressure bearings 24 are arranged, the transmission screw rod 21 is rotationally connected with the support frame 12 through the pressure bearings 24, and the end part of the screw thread transmission shaft extends to the outer side of the supporting frame 12, two screw thread transmission shafts 23 are respectively a left screw thread transmission shaft and a right screw thread transmission shaft, the lower ends of the left and right screw thread transmission shafts are arranged on the bottom frame 11 through a pressure bearing 24, the upper end of the transmission screw is arranged on the supporting frame 12 through a pressure bearing 24, the top ends of the left threaded transmission shaft and the right threaded transmission shaft are respectively provided with a transmission gear 22 meshed with the transmission screw rod 21, the left thread transmission shaft and the right thread transmission shaft are in transmission connection with a transmission screw rod 21 through corresponding transmission gears 22 respectively; the lifting rocking handle 3 is fixedly connected with one end of a transmission screw rod 21 extending to the outer side of the support frame 12; the transverse moving mechanism 4 is arranged between the two threaded transmission shafts 23 and is in transmission connection with the left threaded transmission shaft and the right threaded transmission shaft respectively; under the action of external force, the lifting rocking handle 3 drives the transmission screw rod 21 to rotate, the transmission screw rod 21 is driven to rotate in the rotating process, the transmission gear 22 drives the threaded transmission shaft 23 to synchronously rotate through the transmission gear 22, and the threaded transmission shaft 23 drives the transverse moving mechanism 4 which is in rotating connection with the threaded transmission shaft to move up and down, so that the height of the supporting platform 6 which is connected with the transverse moving mechanism 4 is adjusted.

Further, the handcart platform capable of being lifted and adjusted in width and width is characterized in that the traversing mechanism 4 comprises a connecting rod 41, a supporting arm 42, a connecting plate 43 and a positive and negative threaded transmission shaft 44, the connecting rod 41 comprises an upper connecting rod and a lower connecting rod, the supporting arm 42 comprises a left supporting arm and a right supporting arm, the left end and the right end of the upper connecting rod and the right end of the lower connecting rod are respectively in transmission connection with the left threaded transmission shaft and the right threaded transmission shaft, the upper end and the lower end of the left supporting arm and the right supporting arm are respectively in sliding connection with the upper connecting rod and the lower connecting rod, the upper connecting rod and the lower connecting rod are fixedly connected through the connecting plate 43, and the positive and negative threaded transmission shaft 44 is in transmission connection with the left supporting arm and the right supporting arm through the connecting plate 43; the connecting plate 43 is provided with an installation groove, and the traverse rocking handle 5 is detachably connected with the positive and negative thread transmission shaft 44 through the installation groove in the connecting plate 43; under the action of external force, the transverse rocking handle 5 drives the positive and negative threaded transmission shaft 44 to rotate, the left supporting arm and the right supporting arm are driven to synchronously move inwards or outwards towards the positive and negative threaded transmission shaft 44 and the center in the rotating process of the positive and negative threaded transmission shaft 44, and the width of the supporting platform 6 connected with the transverse mechanism 4 is adjusted through the synchronous movement of the left supporting arm and the right supporting arm.

Further, the utility model discloses a handcart platform that can rise and fall and width are adjusted, wherein still include connecting gear 45 and connection bearing 46, positive and negative screw thread transmission shaft 44 is set up to be middle for smooth rod portion, and both sides are the screw rod structure of screw thread portion, connecting gear 45 is fixed in on the smooth rod portion in positive and negative screw thread transmission shaft 44 through the mounting groove in connecting plate 43, is located the screw thread portion of connecting gear 45 both sides, and one side of them is the positive thread, and the opposite-tooth screw thread that corresponds with the positive thread is for the opposite-tooth screw thread, be equipped with the screw hole corresponding with positive and negative screw thread transmission shaft 44 on left brace arm and the right brace arm respectively, through the screw thread mode looks spiro union between positive and negative screw thread transmission shaft 44 and left brace arm and the right brace arm; the connecting plate 43 is provided with a connecting hole matched with the connecting bearing 46, the connecting bearing 46 is arranged in the connecting hole in the connecting plate 43, and the positive and negative thread transmission shaft 44 is rotatably connected with the connecting plate 43 through the connecting bearing 46 in the connecting hole.

Further, a handcart platform that liftable and width were adjusted, wherein sideslip rocking handle 5 is including operating handle portion 51 and transmission portion 52 be equipped with in the transmission portion 52 with connecting gear 45 engaged with thread tooth, sideslip rocking handle 5 is connected for dismantling the transmission through the thread tooth in the transmission portion 52 and the connecting gear 45 that is fixed in on the positive and negative screw thread transmission shaft 44.

Further, a handcart platform that liftable and width were adjusted, wherein supporting platform 6 is including left support plate 61, right branch fagging 62 and locating plate 63, left arm fixed connection in the rear end of left support plate 61 and the sideslip mechanism 4, right arm fixed connection in the rear end of right branch fagging 62 and the sideslip mechanism 4, it arranges to be parallel state between left support plate 61 and the right branch fagging 62, the front end of left support plate 61 and right branch fagging 62 with the connection can be dismantled to the locating plate 63.

Further, the handcart platform capable of being lifted and adjusted in width and width provided by the invention is characterized in that the supporting platform 6 further comprises two reinforcing rods 64, the two reinforcing rods 64 are respectively a left reinforcing rod and a right reinforcing rod, the left reinforcing rod and the right reinforcing rod are obliquely arranged between the left supporting plate 61 and the right supporting plate 62, wherein the lower end of the left reinforcing rod is fixedly connected with a left supporting arm in the transverse moving mechanism 4, the upper end of the left reinforcing rod is fixedly connected with the middle front end of the left supporting plate 61, the lower end of the right reinforcing rod is fixedly connected with a right supporting arm in the transverse moving mechanism 4, and the upper end of the right reinforcing rod is fixedly connected with the middle front end of the right supporting plate 62; the left support plate 61 and the right support plate 62 are arranged to be L-shaped folded plate structures, and the left support plate 61 and the right support plate 62 are arranged to be L-shaped folded plate structures, so that the middle breaker needing to be maintained can be placed on the support platform 6, and a protection effect is achieved.

Further, the handcart platform capable of being lifted and adjusted in width is characterized in that the bottom frame 11 comprises two bottom plates and a transverse plate, and the bottom frame 11 is welded with the transverse plate through the bottom plates to form a frame structure; the supporting frame 12 comprises two supporting plates and a top plate, the supporting frame 12 is welded with the top plate through the supporting plates to form a frame structure, the two supporting plates are vertically fixed on a bottom plate in the bottom frame 11 respectively, and the two supporting plates are fixedly connected through the top plate; the underframe 11 and the support frame 12 are fixed into an integral structure in a welding mode; the wheels 13 are universal wheels with stoppers, the number of the wheels 13 is four, and the four wheels 13 are respectively arranged at the bottoms of the two bottom plates. The frame 1 is convenient to move through the universal wheels with the limiting stoppers.

Further, a handcart platform that liftable and width were adjusted, wherein frame 1 is still including passing the moving handle, it sets up between two support frames 12 of keeping away from supporting platform 6 one side to push away the moving handle, moves the convenient frame 1 that promotes of handle through the passing that sets up.

By adopting the handcart platform of the utility model, in the actual manufacturing process, the underframe 11 and the supporting frame 12 can be made into a square column framework structure by adopting channel steel in a welding mode, the wheels 13 adopt universal wheels with limiters, the wheels 13 are provided with four wheels, the four wheels 13 are respectively arranged at the bottoms of the two bottom plates, and the handcart platform is convenient to move the frame 1 through the arranged universal wheels with limiters; meanwhile, a pushing and moving handle is further arranged on the frame 1 and arranged between the two support frames 12 far away from one side of the support platform 6, and the frame 1 is conveniently pushed through the arranged pushing and moving handle.

In the practical application process, the working principle is as follows: because the lifting mechanism 2 comprises a transmission screw rod 21, a transmission gear 22, a threaded transmission shaft 23 and a pressure bearing 24, the lifting rocking handle 3 is fixedly connected with one end of the transmission screw rod 21, the lifting rocking handle 3 is rocked by hands, the transmission screw rod 21 is driven to rotate by the lifting rocking handle 3, the transmission gear 22 is driven to rotate in the rotation process of the transmission screw rod 21, the threaded transmission shaft 23 is driven to synchronously rotate by the transmission gear 22, and the threaded transmission shaft 23 drives the transverse moving mechanism 4 which is rotationally connected with the threaded transmission shaft to move up and down, so that the purpose of ascending or descending motion is achieved, and the height of the supporting platform 6 connected with the transverse moving mechanism 4 is adjusted as long as the height of the supporting platform is adjusted to be at the same horizontal position as the circuit breaker placed in the cabinet body. The traversing mechanism 4 is then adjusted. Because the transverse moving mechanism 4 comprises a connecting rod 41, a supporting arm 42, a connecting plate 43 and a positive and negative thread transmission shaft 44, the transverse moving rocking handle 5 is shaken by hands, the positive and negative thread transmission shaft 44 is driven to rotate by the transverse moving rocking handle 5, the positive and negative thread transmission shaft 44 drives the left supporting arm and the right supporting arm to move inwards or outwards towards the positive and negative thread transmission shaft 44 and the center, the width of the supporting platform 6 connected with the transverse moving mechanism 4 is adjusted by the synchronous movement of the left supporting arm and the right supporting arm, the left and right movement of the left supporting arm and the right supporting arm is realized, as long as the width of the left supporting arm and the right supporting arm is adjusted to be the same as the width of the circuit breaker placed in the cabinet body, namely, the purpose of adjusting the width is achieved, then the positioning plates 63 with different sizes can be opened or changed, the handcart platform is connected to the door by the positioning plates 63, and the circuit breaker is pulled to the handcart platform, the handcart platform is pulled to a working platform for modification, the lifting rocking handle 3 is firstly shaken by hands reversely, the supporting platform 6 is made to descend to the same height with the working platform through the lifting mechanism 2, then the transverse rocking handle 5 is shaken by hands reversely, the supporting platform 6 is used as a cantilever for lifting the upper component of the circuit breaker, so that the bottom access mechanism of the switch can be conveniently disassembled and the position contact can be repaired, the functions of convenience, labor saving and one-vehicle multi-purpose are achieved, and the aim of difficult maintenance of the middle-mounted circuit breaker of the existing electric power system is fulfilled.

Therefore, adopt handcart platform, through elevating system 2 and the sideslip mechanism 4 that sets up, in the effect of lift rocking handle 3 and sideslip rocking handle 5, can adjust through supporting platform 6's height and width, only need to dock supporting platform 6 with the cabinet body, then directly will lay the internal central-positioned circuit breaker of cabinet and pull out from the cabinet body, and shift to supporting platform 6 can, need not many people cooperative operation, also need not with the help of lifting by crane equipment, not only greatly reduced handcart platform's quantity, effectively reduced the maintenance cost, also alleviateed maintenance personal's intensity of labour simultaneously, shorten operating time, the manpower has been saved, work efficiency is improved.

To sum up, adopt handcart platform, have simple structure, convenient operation, work efficiency is high, cost of maintenance is low, intensity of labour advantage such as little, simultaneously, can also make transformer fortune dimension management more normal and unified, reduce safe risk, have the significance to improve equipment management and transformer fortune dimension management level, be fit for using widely.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and to those skilled in the art, the present invention can be variously modified and changed, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a handcart platform that liftable and width were adjusted which characterized in that: comprises a frame (1), a lifting mechanism (2), a lifting rocking handle (3), a transverse moving mechanism (4), a transverse moving rocking handle (5) and a supporting platform (6), the frame (1) comprises a bottom frame (11), a support frame (12) and wheels (13), the support frame (12) is arranged on the underframe (11), the wheels (13) are arranged at the bottom of the underframe (11), the lifting mechanism (2) is arranged on the frame (1), and is rotationally connected with a supporting frame (12) in the frame (1), the transverse moving mechanism (4) is arranged in the lifting mechanism (2), the supporting platform (6) is arranged in the traversing mechanism (4), the lifting rocking handle (3) is connected with the lifting mechanism (2), the motion state of the lifting mechanism (2) is changed through the lifting rocking handle (3) so as to realize the height adjustment of the transverse moving mechanism (4) and the supporting platform (6); the transverse rocking handle (5) is connected with the transverse mechanism (4), and the distance between the transverse rocking handle (5) and the transverse mechanism (4) is changed to adjust the width of the supporting platform (6).

2. The handcart platform capable of being lifted and adjusted in width according to claim 1, characterized in that: the lifting mechanism (2) comprises a transmission screw rod (21), a transmission gear (22), a threaded transmission shaft (23) and a pressure bearing (24), the pressure bearings (24) are arranged in a plurality, the transmission screw rod (21) is rotationally connected with the support frame (12) through the pressure bearings (24), the end part of the screw thread transmission shaft extends to the outer side of the support frame (12), the number of the screw thread transmission shafts (23) is two, namely a left screw thread transmission shaft and a right screw thread transmission shaft, the lower ends of the left and right thread transmission shafts are arranged on the bottom frame (11) through a pressure bearing (24), the upper end of the transmission screw is arranged on the supporting frame (12) through a pressure bearing (24), the top ends of the left thread transmission shaft and the right thread transmission shaft are respectively provided with a transmission gear (22) meshed with the transmission screw rod (21), the left thread transmission shaft and the right thread transmission shaft are respectively in transmission connection with a transmission screw rod (21) through corresponding transmission gears (22); the lifting rocking handle (3) is fixedly connected with one end of a transmission screw rod (21) extending to the outer side of the support frame (12); the transverse moving mechanism (4) is arranged between the two threaded transmission shafts (23) and is in transmission connection with the left threaded transmission shaft and the right threaded transmission shaft respectively; under the action of external force, the lifting rocking handle (3) drives the transmission screw rod (21) to rotate, the transmission screw rod (21) is driven to rotate in the rotating process, the transmission gear (22) is driven to rotate, the transmission gear (22) drives the threaded transmission shaft (23) to synchronously rotate, the threaded transmission shaft (23) drives the transverse moving mechanism (4) which is connected with the threaded transmission shaft in a rotating mode to move up and down, and the height of the supporting platform (6) connected with the transverse moving mechanism (4) is adjusted.

3. The handcart platform capable of being lifted and adjusted in width according to claim 2, characterized in that: the transverse moving mechanism (4) comprises a connecting rod (41), a supporting arm (42), a connecting plate (43) and a positive and negative thread transmission shaft (44), the connecting rod (41) comprises an upper connecting rod and a lower connecting rod, the supporting arm (42) comprises a left supporting arm and a right supporting arm, the left end and the right end of the upper connecting rod and the right end of the lower connecting rod are in transmission connection with the left thread transmission shaft and the right thread transmission shaft respectively, the upper end and the lower end of the left supporting arm and the right supporting arm are in sliding connection with the upper connecting rod and the lower connecting rod respectively, the upper connecting rod and the lower connecting rod are fixedly connected through the connecting plate (43), and the positive and negative thread transmission shaft (44) is in transmission connection with the left supporting arm and the right supporting arm through the connecting plate (43); an installation groove is formed in the connecting plate (43), and the transverse rocking handle (5) is detachably connected with the positive and negative thread transmission shaft (44) through the installation groove in the connecting plate (43); under the action of external force, the transverse rocking handle (5) drives the positive and negative thread transmission shaft (44) to rotate, the positive and negative thread transmission shaft (44) is driven to synchronously move inwards or outwards towards the positive and negative thread transmission shaft (44) and the center in the rotating process, and the width of the supporting platform (6) connected with the transverse moving mechanism (4) is adjusted through the synchronous movement of the left supporting arm and the right supporting arm.

4. The handcart platform capable of being lifted and adjusted in width according to claim 3, characterized in that: the connecting device is characterized by further comprising a connecting gear (45) and a connecting bearing (46), the positive and negative thread transmission shaft (44) is of a screw rod structure, the middle of the positive and negative thread transmission shaft is a smooth rod part, the two sides of the positive and negative thread transmission shaft are threaded parts, the connecting gear (45) is fixed on the smooth rod part in the positive and negative thread transmission shaft (44) through a mounting groove in a connecting plate (43), the threaded parts are located on the two sides of the connecting gear (45), one side of the threaded parts is a positive thread, the other side of the threaded parts is a negative thread corresponding to the positive thread, threaded holes corresponding to the positive and negative thread transmission shaft (44) are respectively arranged on the left supporting arm and the right supporting arm, and the positive and negative thread transmission shaft (44) is in threaded connection with the left supporting arm and the right supporting arm in a threaded manner; the connecting plate (43) is internally provided with a connecting hole matched with the connecting bearing (46), the connecting bearing (46) is arranged in the connecting hole in the connecting plate (43), and the positive and negative thread transmission shaft (44) is rotationally connected with the connecting plate (43) through the connecting bearing (46) in the connecting hole.

5. The handcart platform capable of being lifted and adjusted in width according to claim 4, is characterized in that: the transverse rocking handle (5) comprises an operating handle part (51) and a transmission part (52), the transmission part (52) is internally provided with a thread tooth meshed with the connecting gear (45), and the transverse rocking handle (5) is connected with the connecting gear (45) fixed on the positive and negative thread transmission shaft (44) in a detachable transmission mode through the thread tooth in the transmission part (52).

6. The handcart platform capable of being lifted and adjusted in width according to claim 3, characterized in that: supporting platform (6) is including left branch fagging (61), right branch fagging (62) and locating plate (63), the rear end of left branch fagging (61) and the left arm fixed connection in sideslip mechanism (4), the rear end of right branch fagging (62) and the right arm fixed connection in sideslip mechanism (4), it arranges to be parallel state between left branch fagging (61) and right branch fagging (62), the front end of left branch fagging (61) and right branch fagging (62) with locating plate (63) can dismantle the connection.

7. The handcart platform capable of being lifted and adjusted in width according to claim 6, is characterized in that: the supporting platform (6) further comprises two reinforcing rods (64), the two reinforcing rods (64) are respectively a left reinforcing rod and a right reinforcing rod, the left reinforcing rod and the right reinforcing rod are obliquely arranged between the left supporting plate (61) and the right supporting plate (62), the lower end of the left reinforcing rod is fixedly connected with a left supporting arm in the transverse moving mechanism (4), the upper end of the left reinforcing rod is fixedly connected with the middle front end of the left supporting plate (61), the lower end of the right reinforcing rod is fixedly connected with a right supporting arm in the transverse moving mechanism (4), and the upper end of the right reinforcing rod is fixedly connected with the middle front end of the right supporting plate (62); the left supporting plate (61) and the right supporting plate (62) are provided with a middle L-shaped folded plate structure.

8. The handcart platform capable of being lifted and adjusted in width according to claim 1, characterized in that: the bottom frame (11) comprises two bottom plates and a transverse plate, and the bottom frame (11) is welded with the transverse plate through the bottom plates to form a frame structure; the supporting frame (12) comprises two supporting plates and a top plate, the supporting frame (12) is of a frame structure formed by welding the supporting plates and the top plate, the two supporting plates are vertically fixed on a bottom plate in the bottom frame (11) respectively, and the two supporting plates are fixedly connected through the top plate; the underframe (11) and the support frame (12) are fixed into an integral structure in a welding mode; the wheels (13) are universal wheels with stoppers, four wheels (13) are arranged on the four wheels, and the four wheels (13) are respectively arranged at the bottoms of the two bottom plates.

9. The handcart platform capable of being lifted and adjusted in width according to claim 1, characterized in that: the frame (1) further comprises a pushing moving handle, and the pushing moving handle is arranged between the two support frames (12) far away from one side of the support platform (6).

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