CN207200097U - Handcart erecting device for switch cubicle in power system - Google Patents

Abstract

The utility model discloses a handcart installation device for a switch cabinet in an electric power system, which comprises a base, a platform for supporting the switch cabinet, and a lifting device arranged between the base and the platform for supporting and adjusting the height of the platform; The above-mentioned lifting device includes a folding arm and a driving device for driving the folding arm to unfold; it is beneficial to solve the phenomenon that the trolley switch is heavy, requires the cooperation of multiple people, and the number of trolley platforms is too large due to different types of trolleys, resulting in increased operation and maintenance costs. , through the horizontal push device, instead of moving the position of the trolley switch by manpower in the past, the "easy" mode is realized, and the effect of "reducing staff and increasing efficiency" is achieved. At the same time, on this device, since the trolley switch can be operated at any vertical height position, the number of trolley platforms placed on site can be reduced.

Description

Handcart installation device for switchgear in power system

technical field

The utility model relates to the field of power systems, in particular to a handcart installation device used for switch cabinets in the power system.

Background technique

In the power system, the 10 kV equipment in the 220 kV substation adopts the switchgear structure, and with the upgrading of the equipment, the trolley-type switchgear is now used; because the trolley-type switchgear occupies a smaller area than the conventional switchgear, the operation is simple, and the mechanical The failure rate is low, therefore, most new substations currently use trolley-type switch cabinets. However, during the power outage maintenance work process of the trolley-type switchgear, it is necessary to manually push in and pull out the handcart switch. However, the existing trolley circuit breaker is heavy and heavy, weighing more than 200kg, and the position of the handcart platform is not easy to fix, making it very difficult for operation and maintenance personnel to operate. At the same time, the current handcart platform needs to be in one-to-one correspondence with the handcart switches, and the handcart can only be placed on the platform. There are many platforms on site, and it is not safe to place the handcart on the platform.

The handcart platform needs to be aimed at line trolleys, main road trolleys, grounding trolleys, etc. that do not have structures, and these handcarts have certain differences in structure, weight, height, etc., so different trolley platforms are required for placement. Since the current handcart platform needs to be in one-to-one correspondence with the handcart switches, the handcart can only be placed on the platform. In the design, it is usually configured as 10 switch cabinets with 4 platforms. The number of trolley platforms placed on site is large. The ex-factory price of the trolley platform is relatively high in the equipment manufacturer, which leads to a large operation and maintenance cost for the operation and maintenance unit due to the switch configuration of multiple trolleys. At the same time, due to the large number of trolley platforms, operation and maintenance personnel are likely to take the wrong trolley platform, which will cause a mismatch between the trolley platform and the trolley circuit breaker, so that it cannot be pushed into the switch cabinet during switching operations.

Therefore, in order to solve the above problems, there is a need for a handcart installation device for switchgear in the power system, which can reduce the labor intensity of operation and maintenance personnel, and is easy to use, labor-saving, and can easily adjust the height of the trolley platform, thereby solving the problem caused by the trolley function. , structural form, weight, and height are different, which brings troubles for operation and maintenance personnel to operate.

Utility model content

In view of this, the purpose of this utility model is to overcome the defects in the prior art and provide a handcart installation device for switchgear in the power system, which can reduce the labor intensity of operation and maintenance personnel, is convenient to use, labor-saving in operation, and can easily adjust the height The unique trolley platform solves the trouble of operation and maintenance personnel due to the different functions, structural forms, weights and heights of the trolleys.

The handcart installation device for the switch cabinet in the power system of the present invention includes a base, a platform for supporting the switch cabinet and a lifting device arranged between the base and the platform for supporting and adjusting the height of the platform; the lifting device It includes a folding arm and a driving device for driving the folding arm to unfold. The folding arm includes a left folding arm and a right folding arm. The bottom ends of the left folding arm and the right folding arm are hingedly installed on the top surface of the base. The top ends of the arm and the right folding arm are all hingedly supported and installed on the bottom surface of the platform, and the driving device is a hydraulic driving device arranged between the left folding arm and the right folding arm, and the hydraulic driving device includes a first hydraulic cylinder and is used to control The first hydraulic cylinder telescopic hydraulic pump, the cylinder bottom of the first hydraulic cylinder is hinged and fixed on the top surface of the base, the piston rod of the first hydraulic cylinder is arranged obliquely and the front end of the piston rod is hinged on the left folding wall or the right The middle section of the folding arm is used to push diagonally to expand, to release compression, or to secure the left folding wall or right folding arm.

Further, the top surface of the platform is also fixedly provided with a horizontal pushing device, and the horizontal pushing device is a second hydraulic cylinder for horizontally pushing the handcart switch.

Further, the left and right folding arms both include upper and lower folding rod groups, the upper folding rod group includes two middle hinged upper first folding rods and upper second folding rods in an "X" shape, and the lower folding rods The set includes two lower first folding rods and lower second folding rods hinged in the middle in an "X" shape, the upper ends of the first folding rods and the upper second folding rods are hinged with the bottom surface of the platform and the upper second The articulated shaft is slidably installed in the upper longitudinal groove arranged on the bottom surface of the platform, and the lower ends are respectively hinged with the upper ends of the lower first folding rod and the lower second folding rod, and the lower ends of the lower first folding rod and the lower second folding rod are hingedly installed On the top surface of the bottom plate and the hinge shaft of the lower second folding rod is slidably installed in the lower longitudinal groove arranged on the top surface of the bottom plate; a push cross bar is also fixedly arranged between the two opposite upper first folding rods, and the first folding rod The front end of the piston rod of a hydraulic cylinder is provided with a radial through hole which is overlaid on the push cross bar, and a rolling bearing is arranged between the push cross bar and the inner wall of the radial pass hole.

Further, there are two first hydraulic cylinders and they are respectively located at both ends of the push bar.

Further, the bottom surface of the bottom plate is also provided with universal wheels that can be locked.

Further, the top surface of the platform is also provided with a guide rail for slidingly guiding the handcart switch.

Further, the guide rail is extended forward to form a protruding platform for overlapping the extension guide rail placed on the switch cabinet guide rail, and the extension guide rail is provided with positioning holes, and the positioning holes of the extension guide rail correspond to the positioning holes on the switch cabinet guide rail. The extension guide rail and the switch cabinet guide rail are positioned and fixed by positioning pins.

Further, a handle is fixedly arranged on the bottom plate.

The beneficial effects of the utility model are: the utility model discloses a handcart installation device used for switchgear in the power system, which is beneficial to solve the problem that the trolley switch is heavy and requires the cooperation of multiple people to operate, and the trolley platform is caused by different types of trolleys. Excessive quantities lead to an increase in operation and maintenance costs. Through the horizontal push device, the position of the trolley switch was moved by manpower in the past, and the "easy" mode was realized to achieve the effect of "reducing staff and increasing efficiency". At the same time, on this device, since the trolley switch can be operated at any vertical height position, the number of trolley platforms placed on site can be reduced.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a right side view of Fig. 1 .

Detailed ways

Fig. 1 is a structural schematic diagram of the present utility model, and Fig. 2 is a right side view of Fig. 1, as shown in the figure, the handcart installation device for the switchgear in the power system in the present embodiment includes a base 1, which is used to support the switch The platform 2 of the cabinet and the lifting device arranged between the base 1 and the platform 2 are used to support and adjust the height of the platform 2; the lifting device includes a folding arm and a driving device for driving the folding arm to unfold, and the folding arm includes a left The folding arm and the right folding arm, the bottom ends of the left folding arm and the right folding arm are all hingedly installed on the top surface of the base 1, and the top ends of the left folding arm and the right folding arm are all hingedly supported and installed on the bottom surface of the platform 2. The driving device is a hydraulic driving device arranged between the left folding arm and the right folding arm. The hydraulic driving device includes a first hydraulic cylinder 3 and a hydraulic pump 4 for controlling the extension and contraction of the first hydraulic cylinder 3. The first hydraulic cylinder The bottom of the cylinder body 3 is hinged and fixed on the top surface of the base 1, the piston rod of the first hydraulic cylinder 3 is arranged obliquely and the front end of the piston rod is hinged to the middle section of the left folding wall or the right folding arm and is used to push and unfold obliquely, Release the compression or secure the left folding wall or the right folding arm;

The left and right folding arms all include upper and lower folding rod groups, the upper folding rod group includes two middle hinged upper first folding rods 5 and upper second folding rods 6 in an "X" shape, and the lower folding rods The set includes two lower first folding rods 7 and lower second folding rods 8 that are hinged in the middle in an "X" shape. The hinge shaft 9 of the two folding rods is slidably installed in the upper longitudinal groove arranged on the bottom surface of the platform 2, and the lower ends are respectively hinged with the upper ends of the lower first folding rod and the lower second folding rod, and the lower first folding rod and the lower second folding rod are hinged respectively. The lower end of the bar is hingedly mounted on the top surface of the base plate and the hinged shaft 10 of the lower second folding bar is slidably installed in the lower longitudinal groove provided on the top surface of the base plate; Cross bar 13, the front end of the piston rod of the first hydraulic cylinder 3 is provided with a radial through hole that is overlaid on the push cross bar, and a rolling bearing is also provided before the push cross bar and the inner wall of the radial through hole; the horizontal direction indicates the operator's The left and right direction, the longitudinal direction means the front and rear directions of the operator, the upper longitudinal groove and the upper longitudinal groove are respectively arranged on the upper fixing bar 11 and the lower fixing bar 12, and the upper fixing bar and the lower fixing bar are respectively located on the platform 2 and the lower fixing bar. The bottom plate is fixedly connected; the top surface of the platform 2 is also fixedly provided with a horizontal pushing device, and the horizontal pushing device is the second hydraulic cylinder 14 for pushing the handcart switch 19 horizontally; the structure is firm and stable, and the operation is convenient, which is beneficial to solve the The weight of the switch is heavy, requiring the cooperation of multiple people to operate, and the number of trolley platforms 2 is too large due to different types of trolleys, resulting in an increase in operation and maintenance costs. The horizontal push device is used to change the position of the trolley switch by manpower in the past. "Easy" mode achieves the effect of "reducing staff and increasing efficiency". At the same time, on this device, since the operation of any vertical height position of the trolley switch can be realized, the number of on-site placement of the trolley platform 2 can be reduced.

In this embodiment, there are two first hydraulic cylinders and they are respectively located at both ends of the push bar; the driving strength is improved to ensure smooth driving of the folding arm.

In this embodiment, the bottom surface of the bottom plate is also provided with a universal wheel 15 which can be locked; it is convenient to move the device and easy to use.

In this embodiment, the top surface of the platform 2 is also provided with a guide rail for sliding and guiding the handcart switch; the guide rail extends forward to form an extended guide rail 16 extending out of the platform 2 for overlapping on the switch cabinet guide rail. The extension guide rail is provided with a positioning hole 17, the positioning hole of the extension guide rail corresponds to the positioning hole on the switch cabinet guide rail, and the extension guide rail and the switch cabinet guide rail are positioned and fixed by the positioning pin; the end face of the extension guide rail is L-shaped, and the positioning Multiple holes are set at intervals along the longitudinal direction to improve the strength of the connection structure after the guide rails are docked and avoid falling off. At the same time, the depth of the extension guide rails into the switch cabinet can be adjusted, which is suitable for different types of handcart switch operations and has wide applicability.

In this embodiment, a handle 18 is fixedly arranged on the bottom plate; it is convenient to operate the movement of the bottom plate.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the purpose and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (8)

1. A handcart installation device for switch cabinets in power systems, characterized in that: it includes a base, a platform for supporting the switch cabinet and a lifting device that is arranged between the base and the platform for supporting and adjusting the height of the platform; The lifting device includes a folding arm and a driving device for driving the folding arm to unfold, the folding arm includes a left folding arm and a right folding arm, the bottom ends of the left folding arm and the right folding arm are hingedly mounted on the top of the base On the surface, the top ends of the left folding arm and the right folding arm are hingedly supported and installed on the bottom surface of the platform, and the driving device is a hydraulic driving device arranged between the left folding arm and the right folding arm, and the hydraulic driving device includes a first hydraulic cylinder and a hydraulic pump for controlling the expansion and contraction of the first hydraulic cylinder, the cylinder bottom of the first hydraulic cylinder is hinged and fixed on the top surface of the base, the piston rod of the first hydraulic cylinder is arranged obliquely and the front end of the piston rod is hinged on the left The middle section of the folding wall or the right folding arm is used to push diagonally to expand, release the compression or fix the left folding wall or the right folding arm. 2. The handcart installation device for switchgear in the power system according to claim 1, characterized in that: the top surface of the platform is also fixedly provided with a horizontal pushing device, and the horizontal pushing device is used for horizontally pushing the handcart. The second hydraulic cylinder of the car switch. 3. The handcart installation device for switchgear in the power system according to claim 2, characterized in that: the left and right folding arms both include upper and lower folding rod groups, and the upper folding rod group includes two An upper first folding bar and an upper second folding bar whose middle hinges are "X" shaped, and the lower folding bar set includes two lower first folding bars and a lower second folding bar whose middle hinges are "X" shaped, and the The upper ends of the first folding rod and the upper second folding rod are all hinged with the bottom surface of the platform and the hinge shaft of the upper second folding rod is slidably installed in the upper longitudinal groove arranged on the bottom surface of the platform, and the lower ends correspond to the lower first folding rod and the lower first folding rod respectively. The upper end of the lower second folding rod is hinged, the lower ends of the lower first folding rod and the lower second folding rod are hingedly installed on the top surface of the bottom plate, and the hinge shaft of the lower second folding rod is slidingly installed in the lower longitudinal groove arranged on the bottom surface of the bottom plate Inside; a push cross bar is fixedly arranged between the two opposite upper first folding rods, and the front end of the piston rod of the first hydraulic cylinder is provided with a radial through hole that is overlaid on the push cross bar, and the push cross bar and A rolling bearing is also arranged before the inner wall of the radial through hole. 4. The handcart installation device for switch cabinets in power systems according to claim 3, characterized in that there are two first hydraulic cylinders and they are respectively located at both ends of the push bar. 5. The handcart installation device for switch cabinets in power systems according to claim 4, characterized in that: the bottom surface of the bottom plate is also provided with lockable universal wheels. 6. The handcart installation device for switchgear in the power system according to claim 5, characterized in that: the top surface of the platform is also provided with a guide rail for sliding and guiding the handcart switch. 7. The handcart installation device for switch cabinets in power systems according to claim 6, characterized in that: the guide rails extend forward to form a protruding platform for overlapping the extended guide rails placed on the switch cabinet guide rails, so The extension guide rail is provided with a positioning hole, and the positioning hole of the extension guide rail corresponds to the positioning hole on the switch cabinet guide rail, and the extension guide rail and the switch cabinet guide rail are positioned and fixed by positioning pins. 8. The handcart installation device for switchgear in the power system according to claim 7, characterized in that: a handle is also fixedly arranged on the bottom plate.