CN210286667U - Scissor-fork type insulating aerial work platform truck - Google Patents
Scissor-fork type insulating aerial work platform truck Download PDFInfo
- Publication number
- CN210286667U CN210286667U CN201920994045.3U CN201920994045U CN210286667U CN 210286667 U CN210286667 U CN 210286667U CN 201920994045 U CN201920994045 U CN 201920994045U CN 210286667 U CN210286667 U CN 210286667U
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- base
- scissor
- push rod
- bedplate
- electric putter
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Abstract
The utility model discloses a scissor insulating aerial working platform vehicle, which comprises a base, a bedplate unit conductive unit and a control switch group, wherein the lower surface of the base is provided with a scissor type elevator on the upper surface, the bedplate unit is arranged at the top end of the scissor type elevator, the left side and the right side of the upper end of the bedplate unit are respectively provided with a fixed guardrail, the conductive unit comprises a conductive post, a wire and a clamp, one end of the wire is welded with the front side surface of the base, the other end of the wire is fixedly connected with the conductive post through a connecting sheet, the clamp is arranged at one end of the wire close to the conductive post, the outer surfaces of the scissor type elevator and the conductive unit are respectively provided with insulating paint, the concrete material is epoxy resin, the fixed guardrail is made of glass fiber reinforced plastic, the scissor insulating aerial working platform vehicle is convenient to move and can automatically lift and adjust the working range, the insulating property is good.
Description
Technical Field
The utility model relates to an aerial working platform technical field specifically is an insulating aerial working platform car of fork cuts.
Background
Electrical equipment needs frequent test, inspection and maintenance in long-term operation, for example change circuit tower insulator with electricity, wire and overhead earth wire etc. are repaired in the crimping, current high altitude electrical equipment overhauls work mainly with the climbing or build the maintenance platform temporarily and look after, artifical climbing consumes physical power, appear dangerously easily, it needs to spend more time to build the maintenance platform, influence work efficiency, and the maintenance platform that builds temporarily is inconvenient to be removed, the working range is limited, insulating properties is not good, can not carry out effectual protection to the operation personnel.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide an insulating aerial working platform truck of scissors fork, the convenient removal can go up and down by oneself and adjust the operation scope, and insulating properties is good, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a scissor-fork type insulating aerial work platform truck comprises a base, a bedplate unit and a conductive unit;
base: the base is of a groove-shaped structure, four symmetrically distributed wheels are arranged on the lower surface of the base, and a scissor-type elevator is arranged on the upper surface of the base;
a platen unit: the bedplate unit is arranged at the top end of the scissor-type elevator, and the left side and the right side of the upper end of the bedplate unit are provided with fixed guardrails;
a conductive unit: the conductive unit comprises a conductive column, a conductive line and a clamp, one end of the conductive line is welded with the front side surface of the base, the other end of the conductive line is fixedly connected with the conductive column through a connecting sheet, the clamp is arranged at one end, close to the conductive column, of the conductive line, and the conductive column, the conductive line and the clamp are in contact with the upper surface of the bottom plate of the base;
wherein: still include the control switch group, the control switch group sets up in the upper end of the fixed guardrail in left side, and external power source's output is connected to the input electricity of control switch group, the surface of cutting fork elevator and electrically conductive unit all is equipped with insulating varnish, and concrete material is epoxy, fixed guardrail is the glass steel material.
Extend the guardrail, fixed guardrail and cut fork elevator surface and all be provided with the insulated paint and carry out insulation protection, the convenient metal part that will cut the insulating aerial working platform car of fork is connected with the neighbouring earthing device in ground of clamp, can introduce the below ground with leading electrical pillar during no earthing device, ground protection carries out, the electric shock accident prevents to appear, two fourth electric putter's push rod promotes the backup pad and removes to both sides around respectively, the backup pad stretches out inside the platen with first draw runner and second draw runner, the extension guardrail of first draw runner and second draw runner drive the left and right sides is to both ends motion around, extend operation platform, facilitate the operation, adopt the elevation structure who cuts the fork, the structure is firm, safety and reliability.
Furthermore, the scissor-type elevator comprises support rods, a first connecting rod and a first electric push rod, wherein the fixed end of the first electric push rod is movably connected with the right end of the upper surface of the base through a hinge, two groups of support rods are symmetrically arranged on the left side and the right side of the bottom plate of the base, each group of support rods is four, the two support rods at the lower end are mutually crossed, the bottom ends of the support rods are movably connected with the upper surface of the bottom plate of the base through hinges, the two support rods at the upper end are mutually crossed, the bottom ends of the support rods are movably connected with the top ends of the two support rods at the lower end through hinges, the middle cross part of the two support rods is movably connected through hinges, the first connecting rod is arranged on the right side of the upper end of the cross part of the two support rods at the lower end, the two ends of the, the input end of the first electric push rod is electrically connected with the output end of the control switch group, and the scissor-fork type insulating aerial working platform car adopts a scissor-fork type lifting structure, so that the lifting process of the bedplate is firm and stable, is prevented from inclining, and is safe and reliable.
Further, the platen unit includes platen, first spout, second spout and guardrail slide, the platen sets up in the upper surface of two bracing pieces in upper end, first spout and second spout all are not less than five and set up in the inside of platen, and the lower surface of second spout is higher than the upper surface of first spout, and two guardrail slides set up respectively in the first spout upper end of the left and right sides, and the internal surface of second spout is equipped with the second draw runner, and the internal surface of first spout is equipped with first draw runner, and the upper surface of the first draw runner of the left and right sides and second draw runner all is equipped with the extension guardrail, and the outside surface that extends the guardrail is equipped with insulating paint, and specific material is epoxy, and the one end lower surface of keeping away from the platen of first draw runner and second draw runner is equipped with the backup pad. The first sliding strip and the second sliding strip can slide inside the bedplate, so that the operation range is expanded, convenience is brought to high-altitude operation, and the insulating paint is arranged on the surface of the outer side of the extension guardrail, so that electric shock and injury during high-altitude operation are prevented.
Further, still include second connecting rod and fourth electric putter, the second connecting rod sets up in the intersection of two bracing pieces of upper end, the middle part of second connecting rod is provided with the fourth electric putter of two symmetric distributions, two fourth electric putter's push rod passes through hinge sliding connection with the backup pad lower extreme that corresponds the direction respectively, fourth electric putter's input is connected with the output electricity of control switch group, fourth electric putter makes first draw runner and the automatic activity in platen inside of second draw runner, make first draw runner and second draw runner more steady at the slip in-process, high durability and convenient use, the intensity of labour of operation personnel has been alleviateed.
Further, still include second electric putter, supporting legs and third electric putter, second electric putter is two, second electric putter passes through connecting plate fixed connection with the bottom plate of base through the front and back both sides face of base, third electric putter's top and second electric putter's push rod end pass through connecting piece fixed connection, the supporting legs sets up in third electric putter's push rod bottom, second electric putter and third electric putter's input all is connected with the output electricity of control switch group, second electric putter makes supporting legs and third electric putter automatic contract and extend, occupation space is saved, third electric putter and supporting legs support fixedly to the base, avoid the base to remove, facilitate the operation.
Compared with the prior art, the beneficial effects of the utility model are that: this cut insulating aerial working platform car of fork has following benefit:
1. extend guardrail, fixed guardrail and cut fork elevator surface and all be provided with the insulated paint and carry out insulation protection, the convenient metal segment that will cut the insulating aerial working platform car of fork is connected with the neighbouring earthing device in ground of clamp, can introduce the below ground with leading electrical pillar when having no earthing device, carries out ground protection, prevents to appear the electric shock accident.
2. Open second electric putter through control switch group, the guide pin bushing is stretched out to second electric putter's push rod, then opens third electric putter, and third electric putter's push rod promotes the supporting legs and supports the base downwards, removes when preventing to cut insulating aerial working platform truck operation of fork, causes danger, plays stable effect simultaneously.
3. The push rods of the two fourth electric push rods push the supporting plate to move towards the front side and the rear side respectively, the supporting plate stretches the first sliding strip and the second sliding strip out of the bedplate, the first sliding strip and the second sliding strip drive the extending guardrails on the left side and the right side to move towards the front end and the rear end, the operation platform is extended and extended, and operation is facilitated.
4. First electric putter promotes the head rod and moves to the upper front, because the connection effect of hinge between the bracing piece, the head rod drives bracing piece fold condition and upwards extends, upwards rises the platen, adopts the elevation structure of cutting the fork, and the structure is firm, safe and reliable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a right side view of the structure of the present invention;
FIG. 3 is a schematic view of the local enlarged structure of the present invention;
FIG. 4 is a schematic view of the platen unit of the present invention in a partially cut-away, enlarged plan configuration;
fig. 5 is an enlarged schematic view of the a position of the present invention.
In the figure: the lifting device comprises a base 1, a scissor-type lifting ladder 2, a supporting rod 201, a first connecting rod 202, a first electric push rod 203, a conductive unit 3, a conductive column 301, a conducting wire 302, a clamp 303, a table plate 4, a table plate 401, a first sliding groove 402, a second sliding groove 403, a guardrail sliding way 404, a second sliding strip 5, an extension guardrail 6, a fixed guardrail 7, a control switch group 8, a first sliding strip 9, a supporting plate 10, wheels 11, a second electric push rod 12, supporting feet 13, a third electric push rod 14, a second connecting rod 15 and a fourth electric push rod 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a scissor-type insulating aerial work platform truck comprises a base 1, a bedplate unit 4 and a conductive unit 3.
Base 1: the base 1 is a groove-shaped structure, four wheels 11 which are symmetrically distributed are arranged on the lower surface of the base 1, a scissor-type elevator 2 is arranged on the upper surface of the base 1, the scissor-type elevator 2 comprises support rods 201, first connecting rods 202 and first electric push rods 203, the fixed end of each first electric push rod 203 is movably connected with the right end of the upper surface of the base 1 through a hinge, two groups of support rods 201 are symmetrically arranged on the left side and the right side of the bottom plate of the base 1, each group of support rods 201 is four, the two support rods 201 at the lower end are mutually crossed, the bottom ends of the support rods 201 are movably connected with the upper surface of the bottom plate of the base 1 through hinges, the two support rods 201 at the upper end are mutually crossed, the bottom ends of the support rods 201 are movably connected with the top ends of the two support rods 201 at the lower end through hinges, the middle, the two ends of the first connecting rod 202 are fixedly connected with one side of the supporting rod 201 close to the first electric push rod 203, the outer surface of the first connecting rod 202 is connected with the inner surface of the round hole at the top end of the push rod of the first electric push rod 203 in a sliding mode, the input end of the first electric push rod 203 is electrically connected with the output end of the control switch group 8, and the scissor-fork type insulating high-altitude operation platform car adopts a scissor-fork type lifting structure, so that the lifting process of the bedplate 401 is firm and stable, is prevented from inclining, and is safe and.
The platen unit 4: the bedplate unit 4 comprises a bedplate 401, a first sliding groove 402, a second sliding groove 403 and guardrail sliding ways 404, the bedplate 401 is arranged on the upper surfaces of two support rods 201 at the upper end, the left side and the right side of the upper surface of the bedplate 401 are respectively provided with a fixed guardrail 7, the number of the first sliding groove 402 and the number of the second sliding groove 403 are not less than five, the lower surface of the second sliding groove 403 is higher than the upper surface of the first sliding groove 402, the two guardrail sliding ways 404 are respectively arranged at the upper ends of the first sliding groove 402 at the left side and the right side, the inner surface of the second sliding groove 403 is provided with a second sliding strip 5, the inner surface of the first sliding groove 402 is provided with a first sliding strip 9, the lengths of the second sliding groove 403 and the first sliding groove 402 in the bedplate 401 are not increased on the same plane by the second sliding groove 403 and the first sliding groove 402, so that a sufficient support surface is arranged in the bedplate 401 after the second sliding strip 5 and the first sliding, the upper surface of the first slide bar 9 and the second slide bar 5 of the left and right sides all is equipped with the extension guardrail 6, and the outside surface of the extension guardrail 6 is equipped with insulated paint, and concrete material is epoxy, and the one end lower surface of keeping away from platen 401 of first slide bar 9 and second slide bar 5 is equipped with backup pad 10. First draw runner 9 and second draw runner 5 all can slide in platen 401 inside, thereby the operation scope has been enlarged, for high altitude construction provides convenience, the outside surface that extends guardrail 6 is equipped with insulating paint, electric shock when preventing high altitude construction, cause the injury, the intersection of two bracing pieces 201 of upper end is provided with second connecting rod 15, the middle part of second connecting rod 15 is provided with two symmetric distribution's fourth electric putter 16, the push rod of two fourth electric putter 16 passes through hinge sliding connection with the backup pad 10 lower extreme that corresponds the direction respectively, the input of fourth electric putter 16 is connected with the output of control switch group 8 electricity, fourth electric putter 16 makes first draw runner 9 and second draw runner 5 automatic in platen 401 internal motion, make first draw runner 9 and second draw runner 5 more steady in the slip process, high durability and convenient use, the intensity of labour of operating personnel has been alleviateed.
Conductive unit 3: the conductive unit 3 comprises a conductive column 301, a conductive line 302 and a clamp 303, one end of the conductive line 302 is connected with the front side face of the base 1 in a welding mode, the other end of the conductive line 302 is fixedly connected with the conductive column 301 through a connecting sheet, the clamp 303 is arranged at one end, close to the conductive column 301, of the conductive line 302, the conductive column 301, the conductive line 302 and the clamp 303 are in surface contact with the upper surface of the bottom plate of the base 1, the conductive column 301, the conductive line 302 and the clamp 303 play a role in grounding, the clamp 303 is convenient to connect the metal part of the scissor-type insulating aerial work platform car with a grounding device adjacent to the ground, and if no grounding device exists, the conductive.
Wherein: the electric telescopic ladder is characterized by further comprising a control switch group 8, a second electric push rod 12, supporting legs 13 and a third electric push rod 14, wherein the control switch group 8 is arranged at the upper end of a left fixed guardrail 7, the input end of the control switch group 8 is electrically connected with the output end of an external power supply, insulating paint is arranged on the outer surfaces of the scissor type elevator 2 and the conductive unit 3 and is specifically made of epoxy resin, the fixed guardrail 7 is made of glass fiber reinforced plastic, the number of the second electric push rods 12 is two, the second electric push rods 12 penetrate through the front side surface and the rear side surface of the base 1 and are fixedly connected with the bottom plate of the base 1 through connecting plates, the top end of the third electric push rod 14 is fixedly connected with the tail end of the push rod of the second electric push rod 12 through a connecting piece, the supporting legs 13 are arranged at the bottom end of the push rod of the third electric push rod 14, the input ends of the second electric push rod 12 and the third electric, the occupied space is saved, the third electric push rod 14 and the supporting legs 13 support and fix the base 1, the movement of the base 1 is avoided, and the operation is convenient.
When in use: the clamp 303 is convenient to connect the metal part of the scissor-fork type insulation aerial work platform car with the grounding device adjacent to the ground, if no grounding device exists, the conductive column 301 is introduced below the ground, the second electric push rod 12 is opened through the control switch group 8, the push rod of the second electric push rod 12 extends out of the guide sleeve, then the third electric push rod 14 is opened through the control switch group 8, the push rod of the third electric push rod 14 pushes the supporting leg 13 downwards to support the base 1, then the first electric push rod 203 is opened through the control switch group 8, the first electric push rod 203 pushes the first connecting rod 202 to move forwards and upwards, due to the connection effect of the hinge between the supporting rods 201, the first connecting rod 202 drives the supporting rod 201 to extend upwards in a folded state, the bedplate 401 is lifted upwards, after the lifting is finished, the fourth electric push rods 16 are opened through the control switch group 8, the push rods of the two fourth electric push rods 16 push the supporting, the first slide bar 9 and the second slide bar 5 are extended out of the bedplate 401 by the supporting plate 10, the first slide bar 9 and the second slide bar 5 drive the extension guardrails 6 on the left side and the right side to move towards the front end and the rear end, so that the operation platform is enlarged for operation.
It should be noted that the control switch group 8 disclosed in the present embodiment is provided with five groups of control switches, the first electric putter 203, the second electric putter 12, the third electric putter 14 and the fourth electric putter 16 can be freely configured according to practical application scenarios, the first electric putter 203 may be selected from the DTW series produced by yao electric putter factory, which is a product of the tin-free city, preferably 1000kgf, the second electric putter 12, the third electric putter 14 and the fourth electric putter 16 are proposed to be selected from the WDTW series micro electric putters produced by yao electric putter factory, which is a product of the tin-free city, and the control switch group 8 controls the first electric putter 203, the second electric putter 12, the third electric putter 14 and the fourth electric putter 16 to operate by using a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a cut insulating aerial working platform car of fork which characterized in that: comprises a base (1), a bedplate unit (4) and a conductive unit (3);
base (1): the base (1) is of a groove-shaped structure, four symmetrically distributed wheels (11) are arranged on the lower surface of the base (1), and a scissor-type elevator (2) is arranged on the upper surface of the base (1);
platen unit (4): the bedplate unit (4) is arranged at the top end of the scissor type elevator (2), and the left side and the right side of the upper end of the bedplate unit (4) are provided with fixed guardrails (7);
conductive unit (3): the conductive unit (3) comprises a conductive column (301), a conductive line (302) and a clamp (303), one end of the conductive line (302) is connected with the front side face of the base (1) in a welding mode, the other end of the conductive line (302) is fixedly connected with the conductive column (301) through a connecting sheet, the clamp (303) is arranged at one end, close to the conductive column (301), of the conductive line (302), and the conductive column (301), the conductive line (302) and the clamp (303) are in contact with the upper surface of the bottom plate of the base (1);
wherein: still include control switch group (8), control switch group (8) set up in the upper end of left side fixed guardrail (7), and external power source's output is connected to the input electricity of control switch group (8), cut the surface of fork elevator (2) and electrically conductive unit (3) and all be equipped with insulated paint, specific material is epoxy, fixed guardrail (7) are the glass steel material.
2. The scissor-type insulated aerial work platform cart of claim 1, wherein: the scissor-type elevator (2) comprises supporting rods (201), a first connecting rod (202) and a first electric push rod (203), wherein the fixed end of the first electric push rod (203) is movably connected with the right end of the upper surface of the base (1) through a hinge, two groups of supporting rods (201) are symmetrically arranged on the left side and the right side of the bottom plate of the base (1), each group of supporting rods (201) is four, two supporting rods (201) at the lower end are mutually crossed, the bottom ends of the supporting rods (201) are movably connected with the upper surface of the bottom plate of the base (1) through hinges, two supporting rods (201) at the upper end are mutually crossed, the bottom ends of the supporting rods (201) are movably connected with the corresponding top ends of the two supporting rods (201) at the lower end through hinges, the middle crossed parts of the two supporting rods (201) are movably connected through hinges, the first connecting rod, the two ends of the first connecting rod (202) are fixedly connected with one side of the supporting rod (201) close to the first electric push rod (203), the outer surface of the first connecting rod (202) is connected with the inner surface of a round hole at the top end of the push rod of the first electric push rod (203) in a sliding mode, and the input end of the first electric push rod (203) is electrically connected with the output end of the control switch group (8).
3. The scissor-type insulated aerial work platform cart of claim 2, wherein: the bedplate unit (4) comprises a bedplate (401), a first sliding groove (402), a second sliding groove (403) and guardrail sliding ways (404), wherein the bedplate (401) is arranged on the upper surfaces of two supporting rods (201) at the upper end, the number of the first sliding groove (402) and the number of the second sliding groove (403) are not less than five, the bedplate (401) is arranged inside, the lower surface of the second sliding groove (403) is higher than the upper surface of the first sliding groove (402), the two guardrail sliding ways (404) are respectively arranged at the upper ends of the first sliding groove (402) at the left side and the right side, the inner surface of the second sliding groove (403) is provided with a second sliding strip (5), the inner surface of the first sliding groove (402) is provided with a first sliding strip (9), the upper surfaces of the first sliding strip (9) and the second sliding strip (5) at the left side and the right side are provided with extension guardrails (6), the outer side surface of the extension guardrails (6) is, the lower surfaces of the ends, far away from the bedplate (401), of the first sliding strip (9) and the second sliding strip (5) are provided with supporting plates (10).
4. The scissor-type insulated aerial work platform cart of claim 3, wherein: the novel electric control switch is characterized by further comprising a second connecting rod (15) and a fourth electric push rod (16), wherein the second connecting rod (15) is arranged at the intersection of two supporting rods (201) at the upper end, the middle of the second connecting rod (15) is provided with the fourth electric push rods (16) which are symmetrically distributed, the push rods of the two fourth electric push rods (16) are respectively in sliding connection with the lower ends of the supporting plates (10) in the corresponding directions through hinges, and the input end of the fourth electric push rod (16) is electrically connected with the output end of the control switch group (8).
5. The scissor-type insulated aerial work platform cart of claim 1, wherein: still include second electric putter (12), supporting legs (13) and third electric putter (14), second electric putter (12) are two, and second electric putter (12) pass through the front and back both sides face of base (1) and the bottom plate of base (1) and pass through connecting plate fixed connection, and the top of third electric putter (14) passes through connecting piece fixed connection with the push rod end of second electric putter (12), and supporting legs (13) set up in the push rod bottom of third electric putter (14), and the input of second electric putter (12) and third electric putter (14) all is connected with the output electricity of control switch group (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920994045.3U CN210286667U (en) | 2019-06-28 | 2019-06-28 | Scissor-fork type insulating aerial work platform truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920994045.3U CN210286667U (en) | 2019-06-28 | 2019-06-28 | Scissor-fork type insulating aerial work platform truck |
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| Publication Number | Publication Date |
|---|---|
| CN210286667U true CN210286667U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920994045.3U Expired - Fee Related CN210286667U (en) | 2019-06-28 | 2019-06-28 | Scissor-fork type insulating aerial work platform truck |
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| CN (1) | CN210286667U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027983A (en) * | 2020-08-31 | 2020-12-04 | 国网河南省电力公司南召县供电公司 | Transformer substation is with overhauing platform |
| CN112299290A (en) * | 2020-11-23 | 2021-02-02 | 刘艳 | Adjustable multifunctional building construction platform |
| CN112746733A (en) * | 2020-12-14 | 2021-05-04 | 衢州学院 | High-altitude electric power construction operation platform |
| CN112943321A (en) * | 2021-02-02 | 2021-06-11 | 任佳鸣 | Prefabricated steel support for roadway engineering |
| CN114835064A (en) * | 2022-05-19 | 2022-08-02 | 浙江瀚镪自动化设备股份有限公司 | Self-propelled scissor-fork type aerial work platform |
| CN118123770A (en) * | 2024-05-08 | 2024-06-04 | 西安航空学院 | Aircraft maintenance work frame |
-
2019
- 2019-06-28 CN CN201920994045.3U patent/CN210286667U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027983A (en) * | 2020-08-31 | 2020-12-04 | 国网河南省电力公司南召县供电公司 | Transformer substation is with overhauing platform |
| CN112299290A (en) * | 2020-11-23 | 2021-02-02 | 刘艳 | Adjustable multifunctional building construction platform |
| CN112746733A (en) * | 2020-12-14 | 2021-05-04 | 衢州学院 | High-altitude electric power construction operation platform |
| CN112943321A (en) * | 2021-02-02 | 2021-06-11 | 任佳鸣 | Prefabricated steel support for roadway engineering |
| CN114835064A (en) * | 2022-05-19 | 2022-08-02 | 浙江瀚镪自动化设备股份有限公司 | Self-propelled scissor-fork type aerial work platform |
| CN114835064B (en) * | 2022-05-19 | 2024-02-27 | 浙江瀚镪自动化设备股份有限公司 | Self-propelled scissor type aerial work platform |
| CN118123770A (en) * | 2024-05-08 | 2024-06-04 | 西安航空学院 | Aircraft maintenance work frame |
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Granted publication date: 20200410 Termination date: 20210628 |