CN103434975A - Lifting device - Google Patents

Abstract

The invention discloses a lifting device, comprising a support base, a scissor assembly and an insulating platform, the scissor assembly includes a first scissor set and an insulating scissor set, one end of the first scissor set is hinged to the support base , and the other end is hinged to the insulating scissors group; one end of the insulating scissors group is hinged to the first scissors group, and the other end is hinged to the insulating platform. The lifting device of the invention is safe and insulated, and is suitable for use places such as high potential.

Description

lifting device

technical field

The invention relates to the field of substation dry ice cleaning, in particular to a lifting device.

Background technique

Live dry ice cleaning is that in some areas, the electrical equipment of the substation is greatly affected by the surrounding climate and environmental conditions of the substation. The bushing of the main transformer put into operation will be polluted to varying degrees. Due to the increasing capacity of the power system, power outages will It will cause great economic loss, so after the main transformer bushing is polluted, it cannot be cleaned at any time due to power failure. Because the existing lifting devices are all made of metal and other good electric conductors, safety accidents are prone to occur when dry ice blasting is performed without power off, and there are potential safety hazards.

Contents of the invention

Based on this, it is necessary to address the defects of the prior art and provide a lifting device suitable for use in places such as high potential and safe insulation.

Its technical scheme is as follows.

A lifting device comprising a support base, a scissor assembly and an insulating platform, the scissor assembly includes a first scissor set and an insulating scissor set, one end of the first scissor set is hinged to the support base, and the other end is connected to the The insulating scissors set is hinged; one end of the insulating scissors set is hinged with the first scissors set, and the other end is hinged with the insulating platform. The lifting device of this technical solution adopts the scissor assembly as the lifting part, wherein the scissor assembly includes the first scissor group and the insulating scissor group hinged to each other, and the insulating scissor group is hinged with the insulating platform, so the lifting device is safe. Insulation, suitable for places with high potential, etc., can be used as a lifting platform in dry ice cleaning vehicles of substations.

Further, the first scissors group includes two sets of scissors arranged in parallel in the transverse direction, and the scissors include at least two scissors forks, the scissors forks are composed of two forks hinged cross each other, the two forks of the two forks The ends are respectively hinged with the fork ends of adjacent scissor forks to form end hinge points, and a transverse connecting rod is arranged between the end hinge points of the scissors and the corresponding end hinge points of another set of scissors . The first scissors group is composed of two scissors which are horizontally arranged in parallel. At the same time, the hinge points at the ends of the scissors are connected by transverse connecting rods to increase the stability of their lifting.

Further, the first scissors group further includes a telescopic rod, one end of the telescopic rod is hinged to the transverse connecting rod of the scissor fork, and the other end is hinged to the transverse connecting rod of the adjacent scissor fork. A telescopic rod is hinged between the transverse connecting rods of two adjacent scissor forks, and the expansion and contraction of the telescopic rod drives the lifting of the first scissors group.

Further, the first scissors group includes a first transverse connecting rod and a second transverse connecting rod respectively connected to the supporting base, the first transverse connecting rod is hinged to the supporting base, and the supporting base is provided with a The first limiting hole matched with the second transverse connecting rod. The first scissors group is connected to the support base through the first transverse connecting rod and the second transverse connecting rod, wherein the first transverse connecting rod is hinged to the supporting base, and the second transverse connecting rod matches the first limit hole on the supporting base . When the first scissors group lifts, the second transverse connecting rod slides in the first limiting hole, and is limited and guided by the first limiting hole.

Further, the insulated scissors set includes two sets of corresponding insulated scissors, the insulated scissors include at least two insulated scissors, the insulated scissors are composed of two insulating fork rods crossed and hinged each other, the two insulated scissors The ends of the fork rods are respectively hinged with the ends of the insulating fork rods of adjacent insulated scissors to form end hinge points, and the end hinge points of the insulating scissors are connected to the corresponding end hinge points of another set of insulating scissors Insulated transverse connecting rods are arranged between them. The insulated scissors group is composed of two insulated scissors arranged in parallel horizontally. At the same time, the hinge points at the ends of the insulated scissors are connected by insulating transverse connecting rods to increase the stability of its lifting. At the same time, due to the use of insulating parts , making it safe to insulate.

Further, the insulating scissors set also includes an insulating telescopic rod, one end of which is hinged to the insulating transverse connecting rod of the insulating scissor fork, and the other end is hinged to the insulating transverse connecting rod of the adjacent insulating scissors fork. An insulating telescopic rod is hinged between the insulating transverse connecting rods of two adjacent insulating scissor forks, and the expansion and contraction of the insulating telescopic rod drives the lifting of the insulating scissors group.

Further, the insulating scissors set includes a first insulating transverse connecting rod and a second insulating transverse connecting rod respectively connected to the insulating platform, the first insulating transverse connecting rod is hinged to the insulating platform, and the insulating platform is set There is a second limiting hole matched with the second insulating transverse connecting rod. The insulating scissors set is connected to the insulating platform through the first insulating transverse connecting rod and the second insulating transverse connecting rod, wherein the first insulating transverse connecting rod is hinged to the insulating platform, and the second insulating transverse connecting rod is connected to the second limit position on the insulating platform. holes match. When the insulating scissors group is lifted, the second insulating transverse connecting rod slides in the second limiting hole, and is limited and guided by the second limiting hole.

Description of drawings

Fig. 1 is a structural schematic diagram of the lifting device described in the embodiment of the present invention;

Explanation of reference signs:

10. Support base, 110, first limit hole, 20, scissors assembly, 210, first scissors group, 211, first scissors piece, 212, second scissors piece, 213, end hinge point, 214, transverse connecting rod, 215, telescopic rod, 220, insulating scissors group, 221, first insulating scissors, 222, second insulating scissors, 223, insulating transverse connecting rod, 30, insulating platform, 310, Second limit hole.

Detailed ways

Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

Lifting device as shown in Figure 1, comprises support base 10, scissors assembly 20 and insulating platform 30, and scissors assembly 20 comprises the first scissors group 210 and insulating scissors group 220, the first scissors group 210 one end and support base 10 is hinged, and the other end is hinged with the insulating scissors group 220. One end of the insulating scissors set 220 is hinged to the first scissors set 210 , and the other end is hinged to the insulating platform 30 .

Wherein, the first scissors set 210 includes two sets of scissors arranged in parallel transversely, including a first scissors 211 and a second scissors 212 . The scissors piece includes at least two scissors forks, which are composed of two forked bars crossed and hinged to each other. A transverse connecting rod 214 is provided between the end hinge point 213 of the scissors and the corresponding end hinge point 213 of another group of scissors. The first scissors group 210 also includes a telescopic rod 215, one end of which is hinged to the transverse connecting rod 214 of the scissor fork, and the other end is hinged to the transverse connecting rod 214 of the adjacent scissor fork. The first scissors group 210 includes a first transverse connecting rod and a second transverse connecting rod respectively connected to the supporting base 10, the first transverse connecting rod is hinged to the supporting base 10, and the supporting base 10 is provided with a The matching first limiting hole 110.

Furthermore, the insulating scissors set 220 includes two sets of corresponding insulating scissors, including a first insulating scissors 221 and a second insulating scissors 222 . The insulated scissors part comprises at least two insulated scissors forks, the insulated scissors forks are composed of two insulating fork rods intersecting and hinged each other, the ends of the two insulating fork rods are respectively hinged with the ends of the insulating fork rods of adjacent insulated scissors forks An insulating transverse connecting rod 223 is provided between the end hinge point of the insulating scissors and the corresponding end hinge point of another group of insulating scissors. The insulating scissors set also includes an insulating telescopic rod, one end of which is hinged to the insulating transverse connecting rod 223 of the insulating scissor fork, and the other end is hinged to the insulating transverse connecting rod 223 of the adjacent insulating scissor fork. The insulating scissors set includes a first insulating transverse connecting bar and a second insulating transverse connecting bar respectively connected to the insulating platform 30, the first insulating transverse connecting bar is hinged to the insulating platform 30, and the insulating platform 30 is provided with a The second limiting hole 310 matched with the connecting rod. When the lifting device is used, since the insulating scissors set 220 and the insulating platform 30 are insulating components, the insulation between the insulating platform 30 and the supporting base 10 can be effectively guaranteed.

The advantages or principles of the embodiments are described below.

1. The lifting device of this embodiment adopts the scissor assembly 20 as the lifting member, wherein the scissor assembly 20 includes a first scissor set 210 and an insulating scissor set 220 hinged to each other, and the insulating scissor set 220 is in phase with the insulating platform 30 Hinged, so the lifting device is safe and insulated, suitable for high potential and other places, and can be used as a lifting platform in a dry ice cleaning vehicle in a substation.

2. The first scissors group 210 is composed of two scissors arranged parallel to each other horizontally. At the same time, the hinge points at the ends of the scissors are connected by a transverse connecting rod 213 to increase the stability of its lifting.

3. A telescopic rod 215 is hinged between the transverse connecting rods 214 of two adjacent scissor forks, and the telescopic rod 215 is used as a power source, and the expansion and contraction of the telescopic rod 215 drives the lifting of the first scissors group 210 .

4. The first scissors group 210 is connected to the support base 10 through the first transverse connecting rod and the second transverse connecting rod, wherein the first transverse connecting rod is hinged to the supporting base 10 , and the second transverse connecting rod is connected to the second transverse connecting rod on the supporting base 10 A limiting hole 110 matches. When the first scissors group 210 is lifting, the second transverse connecting rod slides in the first limiting hole 110 , and is limited and guided by the first limiting hole 110 .

5. The insulated scissors group 220 is composed of two insulated scissors arranged horizontally in parallel. At the same time, the hinge points at the ends of the insulated scissors are connected by insulating transverse connecting rods 223 to increase the stability of its lifting. At the same time, It is safely insulated due to the use of insulating parts.

6. An insulating telescopic rod is hinged between the insulating transverse connecting rods 223 of two adjacent insulating scissor forks, and the insulating telescopic rod is used as a power source, and the stretching of the insulating telescopic rod drives the lifting of the insulating scissors group 220 .

7. The insulating scissors group 220 is connected to the insulating platform 30 through the first insulating transverse connecting rod and the second insulating transverse connecting rod, wherein the first insulating transverse connecting rod is hinged to the insulating platform 30, and the second insulating transverse connecting rod is connected to the insulating platform 30 Cooperate with the second limiting hole 310 on the top. When the insulating scissors set 220 is lifted, the second insulating transverse connecting rod slides in the second limiting hole 310 , and is limited and guided by the second limiting hole 310 .

The above-mentioned embodiments only express several implementation modes of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention.

Claims (7)

1. a jacking system, is characterized in that, comprises base for supporting, cuts fork assembly and insulated platform, and the described fork assembly of cutting comprises that first cuts fork group and insulation cutter fork group, and described first cuts that fork is organized an end and base for supporting is hinged, and the other end and insulation cutter fork group are hinged; Described insulation cutter fork is organized an end and first and is cut the fork group and be hinged, and the other end and insulated platform are hinged.

2. jacking system according to claim 1, it is characterized in that, described first cut the fork group comprise two groups laterally be arranged in parallel cut the fork part, the described fork part of cutting comprises at least two scissors forks, this scissors fork is comprised of two fork arms of mutual cross-articulation, the end of two fork arms is hinged into the end hinge-point with the fork arm end of adjacent scissors fork respectively, and this end hinge-point of cutting the fork part is cut between the end hinge-point that the fork part is corresponding and is provided with horizontal pipe link with another group.

3. jacking system according to claim 2, is characterized in that, this first is cut the fork group and also comprise expansion link, and the horizontal pipe link of an end of this expansion link and scissors fork is hinged, and the other end is hinged with the horizontal pipe link that adjacent scissors is pitched.

4. according to the described jacking system of claim 2 or 3, it is characterized in that, described first cuts the fork group comprises the first horizontal pipe link and the second horizontal pipe link be connected with base for supporting respectively, the described first horizontal pipe link and base for supporting are hinged, and described base for supporting is provided with the first spacing hole matched with the second horizontal pipe link.

5. jacking system according to claim 1, it is characterized in that, described insulation cutter fork group comprises two groups of corresponding insulation cutter fork parts, this insulation cutter fork part comprises at least two insulation cutter knives and forks, this insulation cutter knife and fork is comprised of two insulation fork arms of mutual cross-articulation, the end of two insulation fork arms is hinged into the end hinge-point with the insulation fork arm end of adjacent insulation cutter knife and fork respectively, and the end hinge-point of this insulation cutter fork part is pitched between the end hinge-point that part is corresponding and is provided with the horizontal pipe link of insulation with another group insulation cutter.

6. jacking system according to claim 5, it is characterized in that, this insulation cutter fork group also comprises the insulating telescopic bar, and the horizontal pipe link of insulation of an end of this insulating telescopic bar and insulation cutter knife and fork is hinged, and the horizontal pipe link of insulation of the other end and adjacent insulation cutter knife and fork is hinged.

7. according to the described jacking system of claim 5 or 6, it is characterized in that, described insulation cutter fork group comprises the first horizontal pipe link of insulation and the horizontal pipe link of the second insulation be connected with insulated platform respectively, described the first horizontal pipe link of insulation and insulated platform are hinged, and described insulated platform is provided with the second spacing hole matched with the horizontal pipe link of the second insulation.

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