CN210795599U - Electromechanical device transportation installation auxiliary device - Google Patents

Electromechanical device transportation installation auxiliary device Download PDF

Info

Publication number
CN210795599U
CN210795599U CN201921185269.6U CN201921185269U CN210795599U CN 210795599 U CN210795599 U CN 210795599U CN 201921185269 U CN201921185269 U CN 201921185269U CN 210795599 U CN210795599 U CN 210795599U
Authority
CN
China
Prior art keywords
installation
electromechanical
supporting
electromechanical device
transportation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201921185269.6U
Other languages
Chinese (zh)
Inventor
方长胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BYD Co Ltd
Original Assignee
BYD Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BYD Co Ltd filed Critical BYD Co Ltd
Priority to CN201921185269.6U priority Critical patent/CN210795599U/en
Application granted granted Critical
Publication of CN210795599U publication Critical patent/CN210795599U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Trip Switchboards (AREA)

Abstract

The utility model belongs to the technical field of electromechanical device transportation, especially, relate to an electromechanical device transportation installation auxiliary device, include movable elevating platform, installation supporting mechanism, horizontal support guide rail and suspend the mechanism in midair, horizontal support guide rail fixed connection be in installation supporting mechanism's upper end with between the upper end of movable elevating platform, installation supporting mechanism's lower extreme can support on electromechanical device's installation face, it sets up to suspend the mechanism in midair on the horizontal support guide rail, movable elevating platform is used for transporting and lift electromechanical device, it is used for hanging electromechanical device in midair to hang the mechanism and leaves movable elevating platform to convey to electromechanical device's installation face. The utility model discloses an electromechanical device transportation installation auxiliary device adopts the hoist and mount scheme, and is stable safe, has both protected the components and parts in the electromechanical device, has also solved among the prior art problem that the L type lifting platform can't be taken out after the cubical switchboard descends, has saved artifical supplementary operation, convenient operation.

Description

Electromechanical device transportation installation auxiliary device
Technical Field
The utility model belongs to the technical field of electromechanical device transportation, especially, relate to an electromechanical device transportation installation auxiliary device.
Background
The existing auxiliary tool for installing the switch cabinet comprises a frame body with rollers arranged at the bottom, a transverse alignment mechanism, a vertical alignment mechanism, an L-shaped lifting table and a lifter. The transverse alignment mechanism is connected with the frame body and is used for transversely translating the lifting table, the vertical alignment mechanism and the transverse alignment mechanism are used for vertically moving the lifting table, and the lifter is arranged on the transverse alignment mechanism and is used for lifting the lifting table; the lifting table is used for lifting the switch cabinet. Can enough carry out the level to the cubical switchboard of lifting in this structure and promote, can carry out vertical lift to the cubical switchboard of lifting again.
However, the auxiliary tool for installing the switch cabinet in the form is only suitable for the switch cabinet, is convenient for carrying the heavier switch cabinet on the premise that the operation surface of the switch cabinet is flat and has no fluctuation or barrier, and is inconvenient for placing the switch cabinet. Especially for a box-type transformer substation, the bottom frame in the box is uneven, the operation space is small, the weight of the switch cabinet is large, and after the device is aligned, the L-shaped lifting table cannot be drawn out after the switch cabinet is descended. For the problem that the L type lifting platform can't take out after solving the cubical switchboard descending, need artifical cushion with when laying, auxiliary assembly such as jack is laid, complex operation is complicated, and the potential safety hazard is great, has increased artifical and time cost simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: to prior art's cubical switchboard installation appurtenance, the cubical switchboard descends the unable problem of taking out of back L type lifting table, provides an electromechanical device transportation installation auxiliary device.
In order to solve the technical problem, on the one hand, the embodiment of the utility model provides an electromechanical device transportation installation auxiliary device, include movable elevating platform, installation supporting mechanism, horizontal support guide rail and suspend the mechanism in midair, horizontal support guide rail fixed connection be in installation supporting mechanism's upper end with between the upper end of movable elevating platform, installation supporting mechanism's lower extreme can support on electromechanical device's installation face, it sets up to suspend the mechanism in midair on the horizontal support guide rail, movable elevating platform is used for transporting and goes up and down electromechanical device, it is used for hanging electromechanical device away to suspend the mechanism in midair movable elevating platform to convey to electromechanical device's installation face.
Optionally, the movable lifting platform comprises a transport trolley and a first vertical support rod, the transport trolley comprises a lifting platform for lifting the electromechanical device and wheels arranged below the lifting platform, the upper end of the first vertical support rod is fixedly connected to the first end of the horizontal support guide rail, and the lower end of the first vertical support rod is fixedly connected to the lifting platform.
Optionally, the first vertical support rod is a telescopic rod with adjustable length.
Optionally, the wheel is a universal wheel.
Optionally, the elevating platform includes drive arrangement, goes up backup pad and bottom suspension fagging, the wheel sets up the below of bottom suspension fagging, the lower extreme fixed connection of first vertical support bar is in go up on the backup pad, it is used for placing electromechanical device to go up the backup pad, drive arrangement is used for lifting electromechanical device.
Optionally, the driving device comprises a hydraulic device and a hydraulic support rod connected between the upper support plate and the lower support plate, and the hydraulic device is fixed on the upper support plate and used for providing hydraulic pressure to the hydraulic support rod to drive the hydraulic support rod to extend or retract; when the hydraulic support rod is extended, the upper support plate is lifted; when the hydraulic support rod retracts, the upper support plate descends; in the alternative, the first and second sets of the first,
the driving device comprises an air pressure device and an air pressure supporting rod connected between the upper supporting plate and the lower supporting plate, and the air pressure device is fixed on the upper supporting plate and used for providing air pressure for the air pressure supporting rod so as to drive the air pressure supporting rod to extend or retract; when the air pressure support rod extends, the upper support plate rises; when the air pressure supporting rod retracts, the upper supporting plate descends; in the alternative, the first and second sets of the first,
drive arrangement includes servo motor, servo motor sets up go up between backup pad and the bottom suspension fagging, when servo motor's output shaft extended, it risees to go up the backup pad, when servo motor's output shaft retracted, it descends to go up the backup pad.
Optionally, the installation supporting mechanism comprises a second vertical supporting rod and a supporting base, the upper end of the second vertical supporting rod is fixedly connected to the second end of the horizontal supporting guide rail, the lower end of the second vertical supporting rod is fixedly connected to the supporting base, and the supporting base can be supported on the installation surface of the electromechanical device.
Optionally, the second vertical support rod is a telescopic rod with adjustable length.
Optionally, the suspension mechanism includes a lifting hook slidably connected to the horizontal support rail and a power device for driving the lifting hook to slide along the horizontal support rail, and the lifting hook can be hooked on a lifting ring at the top of the electromechanical device.
Optionally, the power device comprises an electric hoist connected to the lifting hook by a steel rope or a chain.
Optionally, the electromechanical device is a medium-voltage switch cabinet, a low-voltage switch cabinet, a direct-current device, a transformer, an alternating-current/direct-current screen cabinet or a comprehensive and automatic cabinet in a box-type substation, the lower end of the installation supporting mechanism can support the upper surface of a box-type substation base in the box-type substation, and the electromechanical device is conveyed to the inside of the box-type substation through the suspension mechanism so that the electromechanical device is seated on the upper surface of the box-type substation base.
According to the utility model discloses electromechanical device transportation installation auxiliary device, electromechanical device pass through the transportation of movable elevating platform and go up and down, suspend in midair the mechanism and can hang electromechanical device from the movable elevating platform to convey to electromechanical device's installation face. By adopting the hoisting scheme, the device is stable and safe, components in electromechanical equipment (such as a switch cabinet) are protected, the problem that the L-shaped lifting table cannot be drawn out after the switch cabinet falls in the prior art is solved, manual supplementary operation is omitted, and the device is simple in structure and convenient to operate.
Drawings
Fig. 1 is a schematic view of an electromechanical device transportation and installation auxiliary device according to an embodiment of the present invention (a frame support seat is in a supporting position);
fig. 2 is a schematic view of the electromechanical device transportation and installation auxiliary device applied to a box-type switch cabinet according to an embodiment of the present invention.
The reference numerals in the specification are as follows:
1. a movable elevating platform; 11. transporting the trolley; 111. a lifting platform; 1111. an upper support plate; 1112. a lower support plate; 1113. a hydraulic stay bar; 1114. a hydraulic device; 112. a wheel; 12. a first vertical support bar;
2. mounting a supporting mechanism; 21. a second vertical support bar; 22. a support base;
3. a horizontal support rail;
4. a suspension mechanism; 41. a lifting hook; 42. an electric hoist;
10. an electromechanical device; 101. a hoisting ring;
20. a box-type substation; 201. case becomes base.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, an embodiment of the present invention provides an electromechanical device transportation and installation auxiliary device, including movable elevating platform 1, installation supporting mechanism 2, horizontal support guide rail 3 and suspension mechanism 4, horizontal support guide rail 3 fixed connection be in the upper end of installation supporting mechanism 2 with between the upper end of movable elevating platform 1, the lower extreme of installation supporting mechanism 2 can be supported on the installation face of electromechanical device 10, suspension mechanism 4 sets up on horizontal support guide rail 3, movable elevating platform 1 is used for transporting and lifting electromechanical device 10, suspension mechanism 4 is used for hanging electromechanical device 10 off movable elevating platform 1 to convey to the installation face of electromechanical device 10.
In an embodiment, as shown in fig. 2, the electromechanical device 10 is a medium voltage switchgear, a low voltage switchgear, a direct current device, a transformer, an ac/dc screen cabinet or a comprehensive and automation cabinet in the box-type substation 20, the lower end of the installation support mechanism 2 can be supported on the upper surface of a box-type substation base 201 in the box-type substation 20, and the electromechanical device 10 is transmitted to the inside of the box-type substation 20 through the suspension mechanism 4, so that the electromechanical device 10 is seated on the upper surface of the box-type substation base 201.
In an embodiment, as shown in fig. 1, the movable lifting platform 1 includes a transportation cart 11 and a first vertical support rod 12, the transportation cart 11 includes a lifting platform 111 and wheels 112 disposed below the lifting platform 111, an upper end of the first vertical support rod 12 is fixedly connected to a first end of the horizontal support rail 3, and a lower end of the first vertical support rod 12 is fixedly connected to the lifting platform 111.
Preferably, the wheels 112 are universal wheels, and the movable lifting platform 1 can freely move on the ground through the universal wheels, and can adjust the orientation of the electromechanical device 10, so as to help the electromechanical device 10 adjust to a target position or an optimal alignment position, and ensure that hole positions in the Y direction (the traveling direction of the transportation trolley) are aligned.
In an embodiment, the mounting and supporting mechanism 2 includes a second vertical supporting rod 21 and a supporting base 22, an upper end of the second vertical supporting rod 21 is fixedly connected to the second end of the horizontal supporting rail 3, a lower end of the second vertical supporting rod 21 is fixedly connected to the supporting base 22, and the supporting base 22 can be supported on the mounting surface of the electromechanical device 10.
In one embodiment, the first vertical support rod 12 is a telescopic rod with adjustable length, and the second vertical support rod 21 is a telescopic rod with adjustable length.
In one embodiment, the lifting platform 111 includes a driving device, an upper supporting plate 1111 and a lower supporting plate 1112, the lower end of the first vertical supporting rod 12 is fixedly connected to the upper supporting plate 1111, the upper supporting plate 1111 is used for placing the electromechanical device 10, and the driving device is used for lifting the electromechanical device 10. In this embodiment, the driving device includes a hydraulic device 1114 and a hydraulic support rod 1113 connected between the upper support plate 1111 and the lower support plate 1112, and the hydraulic device 1114 is fixed on the upper support plate 1111 and is used for providing hydraulic pressure to the hydraulic support rod 1113 to drive the hydraulic support rod 1113 to extend (raise) or retract (lower). When the hydraulic support 1113 is extended (the upper support plate 1111 is far away from the lower support plate 1112), the upper support plate 1111 is raised to raise the height of the electromechanical device 10; when the hydraulic support rod 1113 retracts (the upper support plate 1111 and the lower support plate 1112 are close), the upper support plate 1111 descends to lower the height of the electromechanical device 10.
In one embodiment, the suspension mechanism 4 comprises a lifting hook 41 slidably connected to the horizontal support rail and a power device for driving the lifting hook to slide along the horizontal support rail 3, wherein the lifting hook 41 can be hooked on a lifting ring 101 at the top of the electromechanical device 10.
In one embodiment, the power device comprises an electric hoist 42, and the electric hoist 42 is connected to the lifting hook 41 through a steel rope or a chain, so as to drive the lifting hook to slide along the horizontal support rail 3, so as to convey the electromechanical device 10 from the movable lifting platform 1 to the installation position.
The following description, with reference to fig. 2, takes an example in which the electromechanical device 10 adopts a box-to-substation switch cabinet (a medium-voltage switch cabinet, a low-voltage switch cabinet), and explains the operating principle of the electromechanical device transportation and installation auxiliary apparatus:
when the movable lifting platform 1 is not used for placing the box-type substation switch cabinet 10, the hydraulic support rod 1113 retracts to the limit position (the hydraulic support rod 1113 is lowest in height), the upper support plate 1111 and the lower support plate 1112 are attached to form a structure similar to a forklift frame, and the box-type substation switch cabinet 10 can be conveniently forked.
When forking the box transformer substation switch cabinet 10 to the upper supporting plate 1111, the hydraulic device 1114 on the transportation trolley 11 is operated, the upper supporting plate 1111 and the lower supporting plate 1112 can be jacked open by the middle hydraulic supporting rod 1113, the upper supporting plate 1111 rises, the height of the box transformer substation switch cabinet 10 is improved, the box transformer substation switch cabinet 10 is adjusted to the optimal height position, and transportation is facilitated. Meanwhile, the universal wheels arranged below the lower support plate 1113 can adjust the box type substation switch cabinet 10 in X, Y two directions (horizontal direction adjustment), so that the box type substation switch cabinet 10 can be adjusted to a target position or an optimal alignment position, and alignment of hole positions in the Y direction (traveling direction of the transport trolley) is ensured.
After the transportation trolley 11 transports the box-type substation switch cabinet 10 to a target position, the horizontal support rail 3 is erected through the first telescopic (length-adjustable) vertical support rod 12 and the second telescopic (length-adjustable) vertical support rod 21. The lifting hook 41 is hooked on a lifting ring 101 at the top of the box-type substation switch cabinet 10. And then starting the electric hoist 42, hoisting the box-type substation switch cabinet 10, moving the box-type substation switch cabinet to a target installation point forwards to ensure that the hole positions in the X direction are aligned, and then slowly lowering the box-type substation switch cabinet 10 to finish transportation and hole aligning installation.
As shown in fig. 2, when the height difference between the box-type substation foundation and the box-type substation base 201 is relatively high, the first telescopic vertical support rod 12, the second telescopic vertical support rod 21 and the lifting platform 111 are synchronously adjusted to ensure that the box-type substation switch cabinet 10 can smoothly enter the box-type substation 20 in the height direction.
Preferably, the first vertical supporting rod 12 and the second vertical supporting rod 21 are detachably arranged, the first vertical supporting rod 12 and the second vertical supporting rod 21 can be made into a plurality of specifications according to actual needs, and the telescopic height of each specification can cover the height within a certain range.
The lifting platform 111 and the electric hoist 42 are arranged in a matched manner, and matching design of different specifications is performed according to the weight of the box-type substation switch cabinet 10.
This electromechanical device transportation installation auxiliary device need not artifical transport adjustment electromechanical device 10, simple structure, convenient operation.
According to the utility model discloses electromechanical device transportation installation auxiliary device, electromechanical device 10 transports and goes up and down through movable elevating platform 1, suspends mechanism 4 in midair and can hang electromechanical device from movable elevating platform 1 to convey to electromechanical device 10's installation face. By adopting the hoisting scheme, the device is stable and safe, the components in the electromechanical device 10 (such as a switch cabinet) are protected, the problem that the L-shaped lifting table cannot be drawn out after the switch cabinet falls in the prior art is solved, manual supplement operation is omitted, and the device is simple in structure and convenient to operate. In another embodiment not shown in the drawings, the driving device comprises an air pressure device and an air pressure supporting rod connected between the upper supporting plate and the lower supporting plate, the air pressure device is fixed on the upper supporting plate and used for providing air pressure for the air pressure supporting rod so as to drive the air pressure supporting rod to extend or retract; when the air pressure support rod extends, the upper support plate rises; when the air pressure supporting rod retracts, the upper supporting plate descends.
In another embodiment, not shown, the driving device includes a servo motor, the servo motor is disposed between the upper support plate and the lower support plate, when an output shaft of the servo motor extends, the upper support plate is raised, and when the output shaft of the servo motor retracts, the upper support plate is lowered.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (11)

1. The auxiliary device for transporting and installing the electromechanical equipment is characterized by comprising a movable lifting table, an installing and supporting mechanism, a horizontal supporting guide rail and a suspension mechanism, wherein the horizontal supporting guide rail is fixedly connected between the upper end of the installing and supporting mechanism and the upper end of the movable lifting table, the lower end of the installing and supporting mechanism can be supported on an installation surface of the electromechanical equipment, the suspension mechanism is arranged on the horizontal supporting guide rail, the movable lifting table is used for transporting and lifting the electromechanical equipment, and the suspension mechanism is used for suspending the electromechanical equipment from the movable lifting table and transmitting the electromechanical equipment to the installation surface of the electromechanical equipment.
2. The electromechanical device transportation and installation assisting apparatus according to claim 1, wherein the movable lifting platform comprises a transportation cart and a first vertical support rod, the transportation cart comprises a lifting platform for lifting the electromechanical device and wheels disposed below the lifting platform, an upper end of the first vertical support rod is fixedly connected to a first end of the horizontal support rail, and a lower end of the first vertical support rod is fixedly connected to the lifting platform.
3. The electromechanical device transportation and installation assistance apparatus of claim 2, wherein the first vertical support bar is a telescopic bar that is adjustable in length.
4. The electromechanical device transport installation assistance apparatus of claim 2, wherein the wheel is a universal wheel.
5. The electromechanical device transportation and installation auxiliary device of claim 2, wherein the lifting platform comprises a driving device, an upper supporting plate and a lower supporting plate, the wheel is disposed below the lower supporting plate, the lower end of the first vertical supporting rod is fixedly connected to the upper supporting plate, the upper supporting plate is used for placing electromechanical devices, and the driving device is used for lifting the electromechanical devices.
6. The electromechanical device transportation and installation auxiliary apparatus of claim 5, wherein the driving device comprises a hydraulic device and a hydraulic support rod connected between the upper support plate and the lower support plate, the hydraulic device is fixed on the upper support plate and is used for providing hydraulic pressure to the hydraulic support rod to drive the hydraulic support rod to extend or retract; when the hydraulic support rod is extended, the upper support plate is lifted; when the hydraulic support rod retracts, the upper support plate descends; in the alternative, the first and second sets of the first,
the driving device comprises an air pressure device and an air pressure supporting rod connected between the upper supporting plate and the lower supporting plate, and the air pressure device is fixed on the upper supporting plate and used for providing air pressure for the air pressure supporting rod so as to drive the air pressure supporting rod to extend or retract; when the air pressure support rod extends, the upper support plate rises; when the air pressure supporting rod retracts, the upper supporting plate descends; in the alternative, the first and second sets of the first,
drive arrangement includes servo motor, servo motor sets up go up between backup pad and the bottom suspension fagging, when servo motor's output shaft extended, it risees to go up the backup pad, when servo motor's output shaft retracted, it descends to go up the backup pad.
7. The electromechanical device transportation and installation assisting apparatus according to claim 1, wherein the installation supporting mechanism includes a second vertical supporting rod and a supporting base, an upper end of the second vertical supporting rod is fixedly connected to the second end of the horizontal supporting rail, a lower end of the second vertical supporting rod is fixedly connected to the supporting base, and the supporting base is supportable on an installation surface of the electromechanical device.
8. The electromechanical device transportation and installation assistance apparatus of claim 7, wherein the second vertical support bar is a telescopic bar that is adjustable in length.
9. The electromechanical device transportation and installation assisting apparatus of any one of claims 1 to 8, wherein the suspension mechanism comprises a lifting hook slidably connected to the horizontal support rail and a power device for driving the lifting hook to slide along the horizontal support rail, and the lifting hook can be hooked on a lifting ring on the top of the electromechanical device.
10. The electromechanical equipment transportation and installation assisting device of claim 9, wherein the power device comprises an electric hoist, and the electric hoist is connected with the lifting hook through a steel rope or a chain.
11. The auxiliary device for transportation and installation of electromechanical equipment according to claim 1, wherein the electromechanical equipment is a medium voltage switchgear, a low voltage switchgear, a direct current equipment, a transformer, an ac/dc screen cabinet or a comprehensive and automation cabinet in a box-type substation, the lower end of the installation support mechanism can be supported on the upper surface of a box-type substation base in the box-type substation, and the electromechanical equipment is conveyed to the interior of the box-type substation through the suspension mechanism so that the electromechanical equipment is seated on the upper surface of the box-type substation base.
CN201921185269.6U 2019-07-25 2019-07-25 Electromechanical device transportation installation auxiliary device Active CN210795599U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921185269.6U CN210795599U (en) 2019-07-25 2019-07-25 Electromechanical device transportation installation auxiliary device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921185269.6U CN210795599U (en) 2019-07-25 2019-07-25 Electromechanical device transportation installation auxiliary device

Publications (1)

Publication Number Publication Date
CN210795599U true CN210795599U (en) 2020-06-19

Family

ID=71243557

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921185269.6U Active CN210795599U (en) 2019-07-25 2019-07-25 Electromechanical device transportation installation auxiliary device

Country Status (1)

Country Link
CN (1) CN210795599U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112928679A (en) * 2021-02-03 2021-06-08 北京隆昌达电力工程有限公司 Installation method and installation device of transformer substation power distribution room switch cabinet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112928679A (en) * 2021-02-03 2021-06-08 北京隆昌达电力工程有限公司 Installation method and installation device of transformer substation power distribution room switch cabinet

Similar Documents

Publication Publication Date Title
CN206842919U (en) A kind of stable type monkey
CN204497630U (en) A kind of highly compatible for circuit breaker and porcelain vase overturns car
CN102996062B (en) Maintenance lifting platform and application method thereof
CN209581548U (en) Adjustable breaker transfer car(buggy)
CN210795599U (en) Electromechanical device transportation installation auxiliary device
CN206783214U (en) Distribution switchgear cabinet lifts hanging device
CN206219071U (en) A kind of switch cubicle installation lifting appliance
CN2825401Y (en) Electric disc cabinet hoisting and transporting device
CN210313399U (en) Electric power overhauls uses multi-functional supporting structure
CN205442525U (en) Supplementary device of changing of part
CN216662306U (en) Tool for mounting outdoor transformer
CN212991767U (en) Auxiliary device for mounting electric high-low voltage power distribution cabinet
CN205381914U (en) Conveying device
CN103950872A (en) Upright tube hoisting multifunctional tool of substation altitude plant
CN210307596U (en) Device for replacing current transformer of switch cabinet
CN103921917B (en) Manned submersible ballast pouring weight mobile device
CN210117157U (en) Frame type transport vehicle
CN203833575U (en) Vertical rod hoisting multifunctional tool of substation high-altitude device
CN207243366U (en) Low pressure draw-out type drawout cubicle moves hydraulic lift
CN205452907U (en) In put cabinet intelligence and overhaul dolly plummer
CN216239641U (en) Movable operation platform for building construction
CN204021235U (en) Manned submersible ballast pouring weight mobile device
CN216190732U (en) Auxiliary installation device for transformer
CN107565433A (en) Isolator operating mechanism mounting bracket
CN207090828U (en) On-load voltage regulating switch hanging apparatus

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant