CN113605225B - Municipal construction is with domatic light-duty operation car of decorating of outer hanging guardrail - Google Patents
Municipal construction is with domatic light-duty operation car of decorating of outer hanging guardrail Download PDFInfo
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- CN113605225B CN113605225B CN202110933734.5A CN202110933734A CN113605225B CN 113605225 B CN113605225 B CN 113605225B CN 202110933734 A CN202110933734 A CN 202110933734A CN 113605225 B CN113605225 B CN 113605225B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/106—Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of bridges
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses an externally hung guardrail slope surface modification light-duty operation vehicle for municipal construction, which comprises a first supporting beam, a second supporting beam, a third supporting beam, a working frame, a self-adaptive supporting wheel, a third connecting plate, a directional wheel, an adjusting seat, a lifting mechanism and a balancing weight, wherein the first supporting beam is connected with the first supporting beam through a first connecting plate; one end of the first supporting beam is fixedly connected with one end of the second supporting beam; one end of the third supporting beam is movably connected with the adjusting seat; the adjusting seat is arranged on the second supporting beam; the working frame and the lifting mechanism are arranged on the third supporting beam; the self-adaptive support wheels are respectively arranged on the first support beam and the third support beam; the third connecting plate is fixedly connected with the second supporting beam; the orientation wheel is arranged on the second support beam; the balancing weight is arranged on the first supporting beam. The guardrail adjusting device can be properly adjusted according to the size and the shape of the guardrail, and meanwhile, the operation vehicle is firmly fixed on the guardrail, and the guardrail adjusting device is simple and convenient to control.
Description
Technical Field
The invention belongs to the technical field of bridge construction, and particularly relates to an externally-hung guardrail slope surface modification light-duty operation vehicle for municipal construction.
Background
The existing conventional overhead bridge guardrail modification is generally carried out by a crane with a hoisting tool, such as a hanging basket or a tool frame welded by profile steel on site, and constructors enter the hanging basket or the tool frame to carry a crane for hoisting auxiliary construction modification; the side surface of the guardrail of the viaduct is generally provided with a slope surface, the slope surface has a certain angle, and the position of the slope surface needs to be adjusted at any time in the up-and-down decorating process; this method has many drawbacks;
1) The safety is poor due to the fact that no specific fixing device is arranged, and the swing and the shake can occur in the case of cross wind in the construction process;
2) With the progress of construction, the construction position needs to be changed at any time, but the crane is troublesome to move, wastes time and labor;
3) The tool racks welded on site are mostly fixed structures and cannot be suitable for guardrails of various sizes and models; comprises guardrails with different widths and different side slopes; such as different guardrail thickness height and side slope.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide an externally-hung guardrail slope surface modification light operation vehicle for municipal construction, which can be properly adjusted according to the size and shape of a guardrail, and is firmly fixed on the guardrail and simple and convenient to control.
In order to achieve the purpose, the invention adopts the technical scheme that:
an externally-hung guardrail slope surface modification light-duty working vehicle for municipal construction comprises a first supporting beam, a second supporting beam, a third supporting beam, a working frame, a self-adaptive supporting wheel, a third connecting plate, a directional wheel, an adjusting seat, a lifting mechanism and a balancing weight; one end of the first supporting beam is fixedly connected with one end of the second supporting beam; one end of the third supporting beam is movably connected with the adjusting seat; the adjusting seat is arranged on the second supporting beam; the working frame and the lifting mechanism are arranged on the third supporting beam; the self-adaptive support wheels are respectively arranged on the first support beam and the third support beam; the third connecting plate is fixedly connected with the second supporting beam; the orientation wheel is arranged on the second support beam; the balancing weight is arranged on the first supporting beam.
The bottom of the first supporting beam is provided with a moving wheel and a first motor; a chain wheel is arranged at the output shaft end of the first motor; a rotating shaft is arranged in the center of the moving wheel, and a chain wheel is arranged at one end of the rotating shaft and is connected with a first motor shaft end chain wheel through a chain; the top of the first supporting beam is provided with a ribbed plate and is fixedly connected with the second supporting beam, so that the connection and fixation are firmer; a fourth connecting plate is arranged on one side of the first supporting beam, and two ends of the fourth connecting plate are fixedly connected with the adjacent first supporting beams to enable the first supporting beams to be fixed firmly.
One end of the second supporting beam is provided with a through groove, and one side of the second supporting beam is provided with a first guide groove and a fixing groove; the orientation wheel is arranged in the first guide groove through the fixed seat.
The self-adaptive support wheel comprises a fixed seat, a support shaft, a guide shaft and a spring; a plurality of self-adaptive support wheels which are uniformly distributed are arranged on the first support beam and the third support beam simultaneously; one side of the fixed seat is provided with a roller; one end of the supporting shaft and one end of the guide shaft are fixedly connected with the other side of the fixed seat; the supporting shaft and the guiding shaft penetrate through the first supporting beam or the third supporting beam and are movably connected with each other; the spring is sleeved with the guide shaft, one end of the spring is propped against the fixed seat, and the other end of the spring is propped against the first supporting beam or the third supporting beam; the other end of the guide shaft is provided with threads and a nut in a matching way.
A second guide groove is formed in one side of the third supporting beam, and a plurality of uniformly distributed supporting plates are arranged on the other side of the third supporting beam; one end of the third supporting beam is movably connected with the adjusting seat through a pin shaft; and fourth connecting plates are arranged at two ends of the third supporting beam.
The working frame comprises a fixing plate, a first supporting arm, a first connecting arm, a second supporting arm, a third supporting arm, a fourth supporting arm, a connecting column and a second connecting plate; the fixed plate is provided with a support guide rail, a support plate, a first fixed block and a T-shaped guide rail; the first fixed block is arranged at the middle section of the fixed plate; the T-shaped guide rail is arranged on the side surface of the fixed plate; the supporting guide rail is fixed on the top of the fixing plate, and the supporting plate is arranged in the supporting guide rail and can slide in the supporting guide rail; one ends of the first supporting arm and the fourth supporting arm are respectively fixed at two ends of the fixing plate through pin shafts; one end of the fourth supporting arm is hollow, and one end of the third supporting arm is inserted into the hollow end of the fourth supporting arm; the fourth supporting arm is arranged above the supporting plate; two ends of the second supporting arm are movably connected with the first supporting arm and the third supporting arm through pin shafts; one end of the second connecting arm is fixed on the fourth supporting arm through a pin shaft, and a third guide groove is formed in the second connecting arm; the first connecting arm is fixed on the first supporting arm through a pin shaft, and one end of the first connecting arm is provided with a guide block and fixed through a bolt; one end of the first connecting arm is inserted into the third guide groove of the second connecting arm; two ends of the connecting column are fixedly connected with second supporting arms; the two ends of the second connecting plate are fixedly connected with the first supporting arms.
The lifting mechanism comprises a first lead screw, a connecting shaft, a second motor and a second lead screw; the first lead screw and the second lead screw are respectively fixed on the third supporting beam through a fixed seat; one end of the first screw rod is provided with a group of conical gears, and one end of the second screw rod is simultaneously provided with the conical gears; two ends of the connecting shaft are fixed on the third supporting beam through a fixing seat, and meanwhile, two ends of the connecting shaft are provided with conical gears which are meshed with the shaft ends of the first lead screw and the second lead screw; the second motor is fixed at the top end of the third supporting beam; a bevel gear is arranged at the output shaft end of the second motor and is meshed with a bevel gear at the shaft end of the first screw rod; the first lead screw and the second lead screw are movably connected with the first fixing block through threads.
Compared with the prior art, the invention has the beneficial effects that:
1) The second supporting beam and the third supporting beam are movably connected through an adjusting seat; when the width of the guardrail is large, the position of the third supporting beam can be adjusted by adjusting the position of the adjusting seat in the through groove, so that the first supporting beam, the second supporting beam and the third supporting beam can meet the modification requirements of guardrails with different widths; meanwhile, when the work is finished and the work needs to be stored, the adjusting seat can be detached from the through groove, so that the third supporting beam and the working frame are separated from the second supporting beam, and the storage and the transportation are convenient;
2) Self-adaptive support wheels are arranged on the first support arm and the second support arm; the supporting wheels play a supporting role on the side surfaces of the guardrails with various angles through the use of the springs, the guide shafts and the supporting shafts, so that the defect that the fixed supporting wheels cannot adapt to the guardrails with different side slopes is overcome;
3) The third supporting arm is provided with a working frame and a lifting mechanism, and the use of the working frame well protects the safety of the whole body of a constructor; the lifting mechanism can adjust the construction position of a constructor at any time; meanwhile, the third supporting beam is matched with the first supporting beam and the second supporting beam to be firmly fixed on the guardrail, and the defect of uncertain swing during auxiliary construction by adopting a crane is overcome.
Drawings
FIG. 1 is a schematic structural view of an externally-hung guardrail slope surface modification light-duty working vehicle for municipal construction;
FIG. 2 is a schematic structural connection diagram of a third support beam and a working frame in the externally-hung guardrail slope surface modification light-duty working vehicle for municipal construction;
FIG. 3 is a schematic structural connection diagram of a second support beam and a first support beam in the externally-hung guardrail slope surface modification light-duty working vehicle for municipal construction;
FIG. 4 is a schematic structural view of a working frame in the externally-hung guardrail slope surface modification light operation vehicle for municipal construction;
in the figure: 1. a first support beam; 101. a first motor; 102. a moving wheel; 103. a rib plate; 104. a fourth connecting plate; 2. a second support beam; 201. a through groove; 202. fixing grooves; 203. a first guide groove; 4. a third support beam; 401. a second guide groove; 402. a support plate; 5. a working frame; 501. a fixing plate; 5011. supporting the guide rail; 5012. a support plate; 5013. a first fixed block; 5014. a T-shaped guide rail; 502. a first support arm; 503. a first connecting arm; 5031. a guide block; 504. a second connecting arm; 5041. a third guide groove; 505. a second support arm; 506. a third support arm; 507. a fourth support arm; 508. connecting columns; 509. a second connecting plate; 6. a self-adaptive support wheel; 601. a fixed seat; 602. a support shaft; 603. a guide shaft; 604. a spring; 7. a third connecting plate; 8. a directional wheel; 9. an adjusting seat; 11. a lifting mechanism; 1101. a first lead screw; 1102. a connecting shaft; 1103. a second motor; 1104. a second lead screw; 12. a balancing weight; 13. and (4) a guardrail.
Detailed Description
For the understanding of the technical field, the technical solution of the present invention is further explained in detail with reference to the accompanying drawings 1-4.
An externally-hung guardrail slope surface modification light-duty working vehicle for municipal construction comprises a first supporting beam 1, a second supporting beam 2, a third supporting beam 4, a working frame 5, a self-adaptive supporting wheel 6, a third connecting plate 7, a directional wheel 8, an adjusting seat 9, a lifting mechanism 11 and a balancing weight 12; one end of the first supporting beam 1 is fixedly connected with one end of the second supporting beam 2; one end of the third supporting beam 4 is movably connected with an adjusting seat 9; the adjusting seat 9 is arranged on the second supporting beam 2; the working frame 5 and the lifting mechanism 11 are arranged on the third supporting beam 4; the self-adaptive support wheels 6 are respectively arranged on the first support beam 1 and the third support beam 4; the third connecting plate 7 is fixedly connected with the second supporting beam 2; the orientation wheel 8 is arranged on the second support beam 2; the counterweight 12 is arranged on the first support beam 1.
The bottom of the first supporting beam 1 is provided with a moving wheel 102 and a first motor 101; a chain wheel is arranged at the output shaft end of the first motor 101; a rotating shaft is arranged in the center of the moving wheel 102, a chain wheel is arranged at one end of the rotating shaft, and the chain wheel is connected with a shaft end chain wheel of the first motor 101 through a chain; the first motor 101 provides power to drive the movable wheel 102 to rotate so as to integrally drive the operation vehicle to move; the top of the first supporting beam 1 is provided with a ribbed plate 103 and is fixedly connected with the second supporting beam 2, so that the connection and fixation are firmer; a fourth connecting plate 104 is arranged on one side of the first supporting beam 1, and two ends of the fourth connecting plate 104 are fixedly connected with the adjacent first supporting beams 1 to enable the first supporting beams to be fixed firmly.
A through groove 201 is formed at one end of the second supporting beam 2, and a first guide groove 203 and a fixing groove 202 are formed at one side of the second supporting beam 2; the directional wheel 8 is arranged in the first guide groove 203 through a fixed seat, can slide in the first guide groove 203, is adjusted according to field requirements, and then penetrates through the fixed groove 202 through a bolt to lock the fixed seat on the directional wheel 8; when the width of the guardrail 13 is wide or narrow, the distance of the directional wheels 8 can be adjusted to fully bear the weight of the second support beam 2.
The self-adaptive support wheel 6 comprises a fixed seat 601, a support shaft 602, a guide shaft 603 and a spring 604; a plurality of self-adaptive support wheels 6 which are uniformly distributed are arranged on the first support beam 1 and the third support beam 4 at the same time; one side of the fixed seat 601 is provided with a roller; one end of the supporting shaft 602 and one end of the guiding shaft 603 are fixedly connected with the other side of the fixed seat 601; the supporting shaft 602 and the guiding shaft 603 penetrate through the first supporting beam 1 or the third supporting beam 4 and are movably connected with each other; the spring 604 is sleeved with the guide shaft 603, one end of the spring 604 is propped against the fixed seat 601, and the other end of the spring 604 is propped against the first supporting beam 1 or the third supporting beam 4; the other end of the guide shaft 603 is provided with threads and is provided with a nut in a matching way to limit the rebound stroke of the spring 604; adjustment is performed by turning the nut.
A second guide groove 401 is arranged on one side of the third supporting beam 4, and a plurality of uniformly distributed supporting plates 402 are arranged on the other side of the third supporting beam and are used as terraces for workers to go up and down; one end of the third supporting beam 4 is movably connected with an adjusting seat 9 through a pin shaft; the two ends of the third supporting beam 4 are provided with fourth connecting plates 104 for fixing the structure; the adjusting seat 9 can slide in the through groove 201 and is fixed on the second supporting beam 2 through bolts; the adjustment seat 9 is slidably adjusted to accommodate the load bearing position of the third 4 and second 2 support beams when the guardrail 13 is wide.
The working frame 5 comprises a fixing plate 501, a first supporting arm 502, a first connecting arm 503, a second connecting arm 504, a second supporting arm 505, a third supporting arm 506, a fourth supporting arm 507, a connecting column 508 and a second connecting plate 509; the fixed plate 501 is provided with a support guide rail 5011, a support plate 5012, a first fixed block 5013 and a T-shaped guide rail 5014; the first fixing block 5013 is arranged in the middle section of the fixing plate 501; the T-shaped guide rail 5014 is arranged on the side face of the fixing plate 501; a support rail 5011 is fixed on top of the fixing plate 501, and a support plate 5012 is disposed within the support rail 5011 and is slidable within the support rail 5011; one ends of the first supporting arm 502 and the fourth supporting arm 507 are respectively fixed at two ends of the fixing plate 501 through pin shafts; one end of the fourth support arm 507 is hollow, and one end of the third support arm 506 is inserted into the hollow end of the fourth support arm 507 and can be drawn in the fourth support arm 507; the fourth supporting arm 507 is arranged above the supporting plate 5012, and the supporting plate 5012 slides out of the supporting guide rail 5011 and then is fixed and locked firmly by bolts to support the fourth supporting arm 507 to keep stable and firm; two ends of the second support arm 505 are movably connected with the first support arm 502 and the third support arm 506 through pin shafts; one end of the second connecting arm 504 is fixed on the fourth supporting arm 507 through a pin shaft, and a third guide groove 5041 is formed in the second connecting arm 504; the first connecting arm 503 is fixed on the first supporting arm 502 through a pin, and one end of the first connecting arm 503 is provided with a guide block 5031 and fixed through a bolt; one end of the first connecting arm 503 is inserted into the third guide slot 5041 of the second connecting arm 504; two ends of the connecting column 508 are fixedly connected with a second supporting arm 505; the two ends of the second connecting plate 509 are fixedly connected with the first supporting arms 502; the working frame 5 can be enlarged or reduced by adjusting the third supporting arm 506 to adapt to the use of workers; after the construction is finished, the working frame 5 can also take in the rotation by taking the connecting pin shafts of the supporting arms at all positions as the axes, so that the transportation is facilitated.
The lifting mechanism 11 comprises a first lead screw 1101, a connecting shaft 1102, a second motor 1103 and a second lead screw 1104; the first lead screw 1101 and the second lead screw 1104 are respectively fixed on the third support beam 4 through fixing seats; one end of the first lead screw 1101 is provided with a group of bevel gears, and one end of the second lead screw 1104 is provided with a bevel gear; two ends of the connecting shaft 1102 are fixed on the third supporting beam 4 through fixing seats, and simultaneously two ends of the connecting shaft 1102 are provided with conical gears which are meshed with shaft ends of the first lead screw 1101 and the second lead screw 1104; the second motor 1103 is fixed on the top end of the third support beam 4; a bevel gear is arranged at the output shaft end of the second motor 1103 and is meshed with the shaft end bevel gear of the first lead screw 1101; the first lead screw 1101 and the second lead screw 1104 are movably connected with the first fixing block 5013 through threads; the fixing plate 501 is driven to move up and down along the second guide groove 401 by the power provided by the second motor 1103; thereby driving the working frame 5 to move up and down to meet the working requirements of different positions.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (2)
1. An externally-hung guardrail slope surface modification light-duty working vehicle for municipal construction comprises a first supporting beam, a second supporting beam, a third supporting beam, a working frame, a self-adaptive supporting wheel, a third connecting plate, a directional wheel, an adjusting seat, a lifting mechanism and a balancing weight; the device is characterized in that one end of the first supporting beam is fixedly connected with one end of the second supporting beam; one end of the third supporting beam is movably connected with the adjusting seat; the adjusting seat is arranged on the second supporting beam; the working frame and the lifting mechanism are arranged on the third supporting beam; the self-adaptive support wheels are respectively arranged on the first support beam and the third support beam; the third connecting plate is fixedly connected with the second supporting beam; the directional wheel is arranged on the second supporting beam; the balancing weight is arranged on the first supporting beam;
the bottom of the first supporting beam is provided with a moving wheel and a first motor; a chain wheel is arranged at the output shaft end of the first motor; a rotating shaft is arranged in the center of the moving wheel, a chain wheel is arranged at one end of the rotating shaft, and the rotating shaft is connected with a first motor shaft end chain wheel through a chain; the top of the first supporting beam is provided with a rib plate and is fixedly connected with the second supporting beam, so that the connection and the fixation are firmer; a fourth connecting plate is arranged on one side of the first supporting beam, and two ends of the fourth connecting plate are fixedly connected with the adjacent first supporting beams to enable the adjacent first supporting beams to be fixed firmly;
one end of the second supporting beam is provided with a through groove, and one side of the second supporting beam is provided with a first guide groove and a fixing groove; the directional wheel is arranged in the first guide groove through a fixed seat;
the working frame comprises a fixing plate, a first supporting arm, a first connecting arm, a second supporting arm, a third supporting arm, a fourth supporting arm, a connecting column and a second connecting plate; the fixed plate is provided with a support guide rail, a support plate, a first fixed block and a T-shaped guide rail; the first fixed block is arranged at the middle section of the fixed plate; the T-shaped guide rail is arranged on the side surface of the fixed plate; the supporting guide rail is fixed on the top of the fixing plate, and the supporting plate is arranged in the supporting guide rail and can slide in the supporting guide rail; one ends of the first supporting arm and the fourth supporting arm are respectively fixed at two ends of the fixing plate through pin shafts; one end of the fourth supporting arm is hollow, and one end of the third supporting arm is inserted into the hollow end of the fourth supporting arm; the fourth supporting arm is arranged above the supporting plate; two ends of the second supporting arm are movably connected with the first supporting arm and the third supporting arm through pin shafts; one end of the second connecting arm is fixed on the fourth supporting arm through a pin shaft, and a third guide groove is formed in the second connecting arm; the first connecting arm is fixed on the first supporting arm through a pin shaft, and one end of the first connecting arm is provided with a guide block and fixed through a bolt; one end of the first connecting arm is inserted into the third guide groove of the second connecting arm; two ends of the connecting column are fixedly connected with second supporting arms; two ends of the second connecting plate are fixedly connected with the first supporting arms;
the lifting mechanism comprises a first lead screw, a connecting shaft, a second motor and a second lead screw; the first lead screw and the second lead screw are respectively fixed on the third supporting beam through a fixed seat; one end of the first screw rod is provided with a group of conical gears, and one end of the second screw rod is simultaneously provided with the conical gears; two ends of the connecting shaft are fixed on the third supporting beam through a fixing seat, and meanwhile, two ends of the connecting shaft are provided with conical gears which are meshed with the shaft ends of the first lead screw and the second lead screw; the second motor is fixed at the top end of the third supporting beam; a bevel gear is arranged at the output shaft end of the second motor and is meshed with a bevel gear at the end of the first lead screw shaft; the first lead screw and the second lead screw are movably connected with a first fixed block through threads;
a second guide groove is formed in one side of the third supporting beam, and a plurality of uniformly distributed supporting plates are arranged on the other side of the third supporting beam; one end of the third supporting beam is movably connected with the adjusting seat through a pin shaft; the two ends of the third supporting beam are provided with fourth connecting plates; the adjusting seat can slide in the through groove and is fixed on the second supporting beam through a bolt.
2. The externally-hung guardrail slope surface modification light-duty working vehicle for municipal construction according to claim 1, characterized in that the self-adaptive support wheel comprises a fixed seat, a support shaft, a guide shaft and a spring; a plurality of self-adaptive support wheels which are uniformly distributed are arranged on the first support beam and the third support beam simultaneously; one side of the fixed seat is provided with a roller; one end of the supporting shaft and one end of the guide shaft are fixedly connected with the other side of the fixed seat; the supporting shaft and the guiding shaft penetrate through the first supporting beam or the third supporting beam and are movably connected with each other; the spring is sleeved with the guide shaft, one end of the spring is in contact with the fixed seat, and the other end of the spring is in contact with the first supporting beam or the third supporting beam; the other end of the guide shaft is provided with threads and is provided with a nut in a matching way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110933734.5A CN113605225B (en) | 2021-08-15 | 2021-08-15 | Municipal construction is with domatic light-duty operation car of decorating of outer hanging guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110933734.5A CN113605225B (en) | 2021-08-15 | 2021-08-15 | Municipal construction is with domatic light-duty operation car of decorating of outer hanging guardrail |
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| CN113605225A CN113605225A (en) | 2021-11-05 |
| CN113605225B true CN113605225B (en) | 2023-04-14 |
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| CN202110933734.5A Active CN113605225B (en) | 2021-08-15 | 2021-08-15 | Municipal construction is with domatic light-duty operation car of decorating of outer hanging guardrail |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8596414B1 (en) * | 2010-04-12 | 2013-12-03 | Thomas R. Lown | Mobile steep roof scaffold system |
| US20130168184A1 (en) * | 2011-12-08 | 2013-07-04 | The Ziproller Company, Llc | Support Systems and Related Methods for Maintaining Building Exteriors |
| CN106639286A (en) * | 2017-02-28 | 2017-05-10 | 山河智能装备股份有限公司 | Extendable multi-purpose high altitude platform |
| CN209052998U (en) * | 2018-10-23 | 2019-07-02 | 中国葛洲坝集团第一工程有限公司 | Collison fence for bridge apparatus for examination and repair |
| CN109750601B (en) * | 2019-01-16 | 2020-08-07 | 四川同风源建设工程有限公司 | Highway bridge avris construction work platform |
| CN210458939U (en) * | 2019-08-05 | 2020-05-05 | 中电建十一局工程有限公司 | Anticollision wall decoration platform convenient to remove |
| CN211036709U (en) * | 2019-09-27 | 2020-07-17 | 唐山隆泰路桥工程有限公司 | Highway bridge construction platform |
| CN112921989A (en) * | 2021-01-20 | 2021-06-08 | 山东省公路桥梁建设有限公司 | High slope construction method |
| CN113089479A (en) * | 2021-04-12 | 2021-07-09 | 临沂市政集团有限公司 | Municipal construction decorates light-duty operation car with outer hanging guardrail |
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