CN108867388B - Multifunctional operation platform vehicle - Google Patents

Multifunctional operation platform vehicle Download PDF

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Publication number
CN108867388B
CN108867388B CN201810725990.3A CN201810725990A CN108867388B CN 108867388 B CN108867388 B CN 108867388B CN 201810725990 A CN201810725990 A CN 201810725990A CN 108867388 B CN108867388 B CN 108867388B
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CN
China
Prior art keywords
bridge
traveling
main
vertical
trolley
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.)
Expired - Fee Related
Application number
CN201810725990.3A
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Chinese (zh)
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CN108867388A (en
Inventor
章勇
董桂生
刘谨
蔡俊福
刘卫
孔雷军
杨弋
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.)
Hunan Rui Fu Technology Co Ltd
China Railway Construction Electrification Bureau Group Co Ltd
Original Assignee
Hunan Rui Fu Technology Co Ltd
China Railway Construction Electrification Bureau Group 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 Hunan Rui Fu Technology Co Ltd, China Railway Construction Electrification Bureau Group Co Ltd filed Critical Hunan Rui Fu Technology Co Ltd
Priority to CN201810725990.3A priority Critical patent/CN108867388B/en
Publication of CN108867388A publication Critical patent/CN108867388A/en
Application granted granted Critical
Publication of CN108867388B publication Critical patent/CN108867388B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

Abstract

The invention discloses a multifunctional operation platform vehicle, comprising: the trackless trolley set is movably supported on the bridge floor of the bridge and fixedly connected to the cantilever girder truss mechanism, and a counterweight hurdle frame mechanism is arranged at one end, positioned on the bridge floor, of the cantilever girder truss mechanism; the cantilever girder truss mechanism extends towards the outer side of the bridge above the bridge floor, the other end of the cantilever girder truss mechanism is connected with an outer vertical beam positioned at the outer side of the bridge, and the bottom end of the outer vertical beam is connected with an operation platform mechanism which extends to the lower part of the bridge and is used for bearing constructors; the inner side of the vertical beam outside the bridge is also provided with an outside-bridge traveling mechanism connected with the cantilever girder truss mechanism, the outside-bridge traveling mechanism is supported on an extending body of the bridge outside the guardrail in a sliding manner, a first horizontal distance is arranged between the outside-bridge vertical beam and the sliding supporting point of the outside-bridge traveling mechanism, a second horizontal distance is arranged between the counterweight truss mechanism and the sliding supporting point, and the second horizontal distance is greater than the first horizontal distance.

Description

Multifunctional operation platform vehicle
Technical Field
The invention relates to the field of bridge operation equipment, in particular to a multifunctional operation platform vehicle.
Background
In the prior art, a work platform is used for supporting constructors to perform related work on a bridge, for example, a multifunctional work platform is disclosed in chinese patent application with application number 201710037739.3, and the multifunctional work platform includes: the trolley bus comprises a trolley bus group, a cantilever girder truss mechanism, a counterweight hurdle mechanism and an operation platform mechanism, wherein the cantilever girder truss mechanism is positioned above the bridge and comprises a cantilever girder truss assembly which extends approximately horizontally, one end of the cantilever girder truss assembly is connected with the trolley bus group and the counterweight hurdle mechanism, and the other end of the cantilever girder truss assembly extends out of the bridge and is connected with the operation platform mechanism. The trackless trolley set walks on the bridge floor to drive the whole platform to move along the bridge, so that the construction operation on the whole bridge section is realized.
This kind of multifunctional operation platform, the operation platform of the bridge outside portion is used for supporting constructor, and whole multifunctional operation platform only relies on trackless dolly group to support on the bridge floor, and the weight of operation platform itself and many constructor's weight all rely on setting up the balancing weight in the inner counter weight hurdle mechanism of crossbeam to come the balance to prevent that operation platform from toppling over towards the outer side of facing sky of bridge. Because the fulcrum is located trackless trolley group in this kind of structure, and counter weight hurdle mechanism is close to trackless trolley group again, and the arm of force of balancing weight is shorter, leads to needing great counter weight strength just can balance, and overall structure stability is relatively poor.
Disclosure of Invention
The invention provides a multifunctional operation platform vehicle, which aims to solve the technical problem of poor structural stability of the existing multifunctional operation platform.
The technical scheme adopted by the invention is as follows:
the utility model provides a multifunctional operation platform car, portable supporting is in order to bear constructor to carry out the construction operation to the bridge on the bridge, and multifunctional operation platform car includes: the trolley bus set is movably supported on the bridge floor of the bridge and fixedly connected to the cantilever girder truss mechanism, and a counterweight hurdle frame mechanism for bearing a counterweight block is further arranged at one end, located on the bridge floor, of the cantilever girder truss mechanism; the cantilever girder truss mechanism extends towards the outer side of the bridge above the bridge floor, the other end of the cantilever girder truss mechanism is connected with an outer vertical beam positioned at the outer side of the bridge, and the bottom end of the outer vertical beam is connected with an operation platform mechanism which extends to the lower part of the bridge and is used for bearing constructors; the inner side of the vertical beam outside the bridge is also provided with an outside-bridge traveling mechanism connected with the cantilever girder truss mechanism, the outside-bridge traveling mechanism is supported on an extending body of the bridge outside the guardrail in a sliding manner, a first horizontal distance is arranged between the outside-bridge vertical beam and the sliding supporting point of the outside-bridge traveling mechanism, a second horizontal distance is arranged between the counterweight truss mechanism and the sliding supporting point, and the second horizontal distance is greater than the first horizontal distance.
Furthermore, the off-bridge traveling mechanism comprises a connecting main beam fixedly connected with the cantilever main beam truss mechanism and extending vertically, a traveling trolley fixed on the connecting main beam, and a traveling track frame assembly laid on the extending body, wherein the traveling trolley is supported by the traveling track frame assembly.
Furthermore, the upper surface of the extending body is a windward inclined plane which is inclined downwards from the bridge deck, the walking track frame assembly comprises tracks which are laid on the windward inclined plane and extend along the length direction of the bridge, and the tracks are connected to the upright posts of the guardrail through the traction pieces.
Preferably, the traction piece comprises a mounting sleeve and a traction strip connected with the mounting sleeve, the mounting sleeve is detachably sleeved on the upright post, and two ends of the traction strip are detachably connected to the mounting sleeve and the rail respectively.
Preferably, the mounting sleeve comprises a U-shaped main body part, through holes are formed in two side walls of the main body part, the stop piece is mounted in each through hole, and a space enclosed between the main body part and the stop piece is used for the upright post to pass through; a fixed wing extends towards the outer side of the main body part from the side wall, and a first screw hole is formed in the fixed wing; one end of the pulling strip is correspondingly provided with a second screw hole, and one end of the pulling strip is fixed on the fixed wing through a bolt and a nut which are matched and connected with the first screw hole and the second screw hole.
Preferably, the stopper comprises a threaded rod passing through the two through holes and a nut fastened at the end of the threaded rod.
Furthermore, the track comprises a bottom plate laid on the windward inclined plane and an I-shaped guide rail fixed on the bottom plate, wherein the lower edge plate of the I-shaped guide rail is obliquely arranged and has the same inclination with the windward inclined plane, and the upper edge plate of the I-shaped guide rail is horizontally arranged; the I-shaped guide rail is detachably connected with the traction piece.
Preferably, the area of the bottom plate is larger than the area of the lower skirt plate.
Preferably, one side of the lower edge plate facing the bridge floor is fixedly connected with a fixing plate, and one end of the traction piece is detachably connected with the fixing plate.
Optionally, the connecting main beam is fixedly connected with the vertical beam outside the bridge through a reinforcing beam.
According to the multifunctional operation platform vehicle, the outer bridge travelling mechanism which is slidably supported on the extending body outside the guardrail is additionally arranged on the basis of the original structure, and is connected with the cantilever girder truss mechanism, so that a fulcrum is added for the whole multifunctional operation platform vehicle, and the balance and stability of the whole structure are facilitated; and the first horizontal distance between the vertical beam outside the bridge and the sliding supporting point is greater than the second horizontal distance between the counterweight hurdle mechanism and the sliding supporting point, and the fulcrum is close to the position of the vertical beam outside the bridge, so that the moment arm of the force exerted by the operating platform mechanism and the inside bearing constructors is reduced, the moment arm of the counterweight force exerted by the counterweight hurdle mechanism and the inside counterweights thereof is increased, the balance of the integral platform vehicle can be kept by using the counterweights with smaller weight or the counterweights with smaller number, and the stability of the integral structure is improved.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a preferred embodiment of the invention with a multi-function work platform cart positioned on a bridge;
FIG. 2 is a schematic diagram of a portion of the structure of FIG. 1;
FIG. 3 is a schematic structural view of a multi-function vehicle of the present invention located on the outer side and the lower portion of a bridge;
FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;
FIG. 5 is a schematic view of a travel rail mount assembly;
FIG. 6 is a schematic view of the mounting sleeve of FIG. 5 in connection with a pull strip;
fig. 7 is a side view of the structure of fig. 5.
The reference numbers illustrate:
1. a bridge; 10. a bridge deck; 11. a guardrail; 12. an extension body; 2. a trackless trolley group; 3. a cantilever girder truss mechanism; 30. a cantilever beam; 4. a counterweight hurdle mechanism; 5. an off-bridge vertical beam; 6. an operation platform mechanism; 7. an off-bridge travel mechanism; 70. connecting a main beam; 71. a traveling carriage; 710. a frame; 711. a roller; 72. a traveling track frame assembly; 721. a track; 7210. a base plate; 7211. an I-shaped guide rail; 7212. a lower flange plate; 7213. an upper edge plate; 7214. a fixing plate; 722. a pulling member; 7221. installing a sleeve; 7222. pulling the strip; 7223. a main body portion; 7224. a stopper; 7225. a fixed wing; 8. reinforcing the beam; 80. an upper beam; 81. a lower beam; 82. and (4) supporting the beams obliquely.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, a preferred embodiment of the present invention provides a multifunctional work platform vehicle movably supported on a bridge 1 to support a constructor to perform construction work on the bridge 1, for example, installation of water supply and drainage pipelines of the bridge 1, or inspection, maintenance, painting and the like of the bridge 1.
The multifunctional work platform vehicle of the invention comprises: a trackless trolley group 2 movably supported on a bridge floor 10 of the bridge 1, the trackless trolley group 2 is fixedly connected to a cantilever girder truss mechanism 3, and a counterweight hurdle mechanism 4 for bearing a counterweight block is further arranged at one end of the cantilever girder truss mechanism 3, which is positioned on the bridge floor 10; the cantilever girder truss mechanism 3 extends towards the outer side of the bridge 1 above the bridge floor 10, the other end of the cantilever girder truss mechanism 3 is connected with an outer bridge vertical beam 5 positioned at the outer side of the bridge 1, and the bottom end of the outer bridge vertical beam 5 is connected with an operation platform mechanism 6 which extends to the lower part of the bridge 1 and is used for bearing constructors; the inner side of the vertical beam outside the bridge 5 is also provided with an outside-bridge traveling mechanism 7 connected with the cantilever girder truss mechanism 3, the outside-bridge traveling mechanism 7 is slidably supported on an extending body 12 which is positioned on the bridge 1 and is positioned outside the guardrail 11, wherein a first horizontal distance is arranged between the outside-bridge vertical beam 5 and the sliding supporting point of the outside-bridge traveling mechanism 7, a second horizontal distance is arranged between the counterweight hurdle mechanism 4 and the sliding supporting point, and the second horizontal distance is larger than the first horizontal distance. According to the multifunctional operation platform vehicle, the off-bridge traveling mechanism 7 which is slidably supported on the extending body 12 outside the guardrail 11 is additionally arranged on the basis of the original structure, and the off-bridge traveling mechanism 7 is connected with the cantilever girder truss mechanism 3, so that a fulcrum is added for the whole multifunctional operation platform vehicle, and the balance and stability of the whole structure are facilitated; and the first horizontal distance between the vertical beam 5 outside the bridge and the sliding supporting point is greater than the second horizontal distance between the counterweight hurdle mechanism 4 and the sliding supporting point, and the fulcrum is close to the position of the vertical beam 5 outside the bridge, thereby reducing the force arm of the working platform mechanism 6 and the internal bearing force of constructors, simultaneously increasing the force arm of the counterweight hurdle mechanism 4 and the internal counterweight force of the counterweight hurdle mechanism, using the counterweight blocks with smaller weight or the counterweight blocks with smaller quantity to keep the balance of the whole platform truck, and being beneficial to improving the stability of the whole structure.
Referring to fig. 1 to 3, in the present invention, the cantilever girder truss mechanism 3 includes two cantilever beams 30 disposed opposite to each other. One end of each cantilever beam 30, which is positioned outside the bridge beam 1, is connected with one vertical beam 5 outside the bridge. The counterweight hurdle mechanism 4 is fixedly connected with the other end of the cantilever beam 30 on the bridge floor 10. The trackless trolley set 2 is fixedly connected to the other end of the cantilever beam 30, is positioned below the counterweight hurdle frame mechanism 4 and is supported on the bridge floor 10.
Further, the off-bridge traveling mechanism 7 includes a connecting main beam 70 fixed to the cantilever main beam truss mechanism 3 and extending vertically, a traveling carriage 71 fixed to the connecting main beam 70, and a traveling rail frame assembly 72 laid on the extension body 12, and the traveling carriage 71 is supported by the traveling rail frame assembly 72. The traveling trolley 71 can travel along the traveling track frame assembly 72 along the bridge 1 to drive the connecting girder 70 and even the cantilever girder truss mechanism 3 to move along the bridge 1 and cooperate with the trackless trolley group 2 of the bridge deck 10 to drive the whole trolley to travel along the bridge 1, so that the constructor can perform construction work on the whole bridge section. Meanwhile, the walking trolley 71 is supported by the cooperation of the walking rail frame assembly 72, so that a fulcrum is added to the whole multifunctional operation platform trolley, and the design of the position of the fulcrum is favorable for improving the stability of the whole structure. In other embodiments, the traveling rail frame assembly 72 may not be provided, and a traveling trolley having a structure similar to that of the trolley in the trackless trolley group 2 of the bridge deck 10 may be directly used, and wheels of the traveling trolley are directly supported on the extension body 12 in a sliding manner, so that the effects and the purposes of the present invention can be achieved.
In the preferred embodiment, a connecting main beam 70 is disposed on each cantilever beam 30 near the vertical beam 5 outside the bridge, and the two connecting main beams 70 are spaced apart from each other along the extending direction of the bridge 1. The lower end of each connecting main beam 70 is fixedly connected with a walking trolley 71, and the two walking trolleys 71 are also arranged at intervals. By the design, the whole multifunctional operation platform vehicle can be supported more evenly, and the whole structure is more stable and reliable.
Referring to fig. 1, 2 and 4, the traveling carriage 71 includes a frame 710, two rollers 711 connected to a lower portion of the frame 710, and a driving mechanism 712 connected to one of the rollers 711 to drive the set of rollers 711 to roll. The roller 711 includes a roller and a limiting wheel coaxially connected to opposite ends of the roller, and the diameter of the limiting wheel is greater than that of the roller. In the embodiment shown in fig. 4, the driving mechanism 712 includes a driving motor, a helical gear connected to an output end of the driving motor, and a face gear engaged with the helical gear. The axis of the bevel gear is vertical and the axis of the face gear is horizontal, and the face gear is connected to one side of the roller 711. Under the driving of the driving motor, the bevel gears rotating along the vertical axis are meshed to drive the end face gear to rotate along the horizontal axis, so that the roller 711 is driven to rotate. In the embodiment shown in fig. 1 and 2, the axis of the output shaft of the driving motor and the axis of the rotating shaft of the roller 711 are parallel to each other, and the output shaft and the rotating shaft are driven by a belt, so that the driving of the roller 711 by the driving motor can also be realized.
Referring to fig. 1 and 5, in the preferred embodiment, the bridge 1 is a road bridge, and the upper surface of the extension 12 outside the guardrail 11 of the bridge 1 is a windward slope inclined downward from the bridge deck 10. The walking track frame assembly 72 comprises a track 721 laid on a windward inclined plane and extending along the length direction of the bridge 1, wherein the track 721 is connected to the upright posts of the guardrail 11 through a plurality of traction pieces 722 sequentially arranged along the extending direction of the bridge 1. More specifically, in this embodiment, the track 721 is formed by connecting a plurality of sub-tracks with a predetermined length, and after the laying is completed, the sub-tracks and the sub-tracks are welded together to form the whole track 721 by using a welding machine, so as to increase the overall firmness of the track 721. The rail 721 is further fixed by a plurality of pulling elements 722, preventing the rail 721 from sliding off the windward slope. .
Referring to fig. 5 to 7, preferably, the pulling member 722 includes a mounting sleeve 7221 and a pulling bar 7222 connected to the mounting sleeve 7221, the mounting sleeve 7221 is detachably sleeved on the upright, and two ends of the pulling bar 7222 are detachably connected to the mounting sleeve 7221 and the rail 721, respectively. The structure is detachable, which is beneficial to the installation preparation before construction and the detachment after the construction is finished; meanwhile, the drawing piece 722 can be recycled, so that the material and the cost can be saved.
In this preferred embodiment, the mounting sleeve 7221 includes a U-shaped main body 7223, through holes are formed in two side walls of the main body 7223, a stopper 7224 is installed in the through holes, and a space defined between the main body 7223 and the stopper 7224 is used for the vertical column to pass through. A fixing wing 7225 extends from the side wall toward the outside of the main body 7223, and a first screw hole is formed in the fixing wing 7225. The traction bar 7222 is made of flat iron, a second screw hole is correspondingly formed in the upper end of the traction bar 7222, and the upper end of the traction bar 7222 and the fixed wing 7225 are fixed to each other through bolts and nuts which are connected into the first screw hole and the second screw hole in a matching mode. The structure is very simple, the connection is reliable, and the detachable structure is detachable. Of course, in other embodiments, the pulling strip 7222 can be removably coupled to the mounting sleeve 7221 and the rail 721 via a snap-fit connection, but the invention is not limited thereto.
Preferably, the stopping member 7224 includes a screw inserted through the two through holes and a nut fastened to the end of the screw, so that the stopping member 7224 can be detachably connected to the main body 7223, and the device is convenient to use and has a simple structure.
Referring to fig. 2 and 7, the rail 721 further includes a bottom plate 7210 laid on the windward slope, and an i-shaped rail 7211 fixed to the bottom plate 7210. The lower edge plate 7212 of the i-shaped guide rail 7211 is disposed obliquely and the inclination is the same as the inclination of the windward slope, and the upper edge plate 7213 of the i-shaped guide rail 7211 is disposed horizontally, so that the traveling carriage 71 can move smoothly on the upper surface of the upper edge plate 7213. Preferably, the area of the bottom plate 7210 is larger than that of the lower edge plate 7212, which is beneficial to increase the overall stress area of the rail 721, reduce the damage to the bridge 1, and improve the stability of the overall structure. The traveling carriage 71 is slidably supported on the upper edge plate 7213. Specifically, the rollers 711 of the traveling carriage 71 have their rollers supported on the upper edge plate 7213, and two stopper wheels are engaged with both sides of the upper edge plate 7213. The rollers 711 of the traveling carriage 71 roll along the upper edge plate 7213 of the i-shaped guide rail 7211 by the driving of the driving motor. The stop wheels are captured on both sides of the upper lip 7213 to limit the sliding path of the roller and prevent the roller 711 from deviating from the track 721.
The i-shaped rail 7211 is removably coupled to the puller 722. Preferably, a fixing plate 7214 is fixedly coupled to a side of the lower flange 7212 facing the deck 10, and one end of the traction member 722 is detachably coupled to the fixing plate 7214. In the preferred embodiment, the fixing plate 7214 is correspondingly provided with a screw hole, and the lower end of the pulling member 722 is correspondingly provided with a screw hole, which are connected with each other by a bolt and a nut disposed in the corresponding screw hole.
Referring to fig. 1 and 3, optionally, the main connecting beams 70 are fixedly connected with the vertical beams 5 outside the bridge through the reinforcing beams 8, so as to further ensure the stability of the whole structure. In one embodiment, the reinforcing beam 8 includes an upper beam 80 disposed horizontally and a lower beam 81 disposed obliquely. The two ends of the upper beam 80 are fixedly connected to the main connecting beam 70 and the vertical beam 5 outside the bridge, respectively, and the two ends of the lower beam 81 are also fixedly connected to the main connecting beam 70 and the vertical beam 5 outside the bridge, respectively. In another preferred embodiment, the reinforcing beam 8 further comprises an inclined support beam 82 having two ends connected to the upper beam 80 and the lower beam 81, respectively. The inclined support beams 82 are used for forming two triangular stable structures between the upper beams 80 and the lower beams 81, so that the fixed connection between the connecting main beam 70 and the vertical beam 5 outside the bridge is enhanced, the stability of the connecting main beam 70 and the outside of the bridge below the connecting main beam is enhanced, and the balance and the stability of the whole platform truck are facilitated.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a multifunctional operation platform car, it is right in order to bear constructor portable supporting on bridge (1) carries out the construction operation, its characterized in that, multifunctional operation platform car includes:
a trackless trolley group (2) movably supported on a bridge deck (10) of the bridge (1), wherein the trackless trolley group (2) is fixedly connected to a cantilever girder truss mechanism (3), and a counterweight hurdle mechanism (4) for bearing a counterweight block is further arranged at one end of the cantilever girder truss mechanism (3) on the bridge deck (10);
the cantilever girder truss mechanism (3) extends towards the outer side of the bridge (1) above the bridge floor (10), the other end of the cantilever girder truss mechanism (3) is connected with an outer vertical beam (5) positioned on the outer side of the bridge (1), and the bottom end of the outer vertical beam (5) is connected with an operation platform mechanism (6) which extends to the lower side of the bridge (1) and is used for bearing constructors;
an off-bridge traveling mechanism (7) connected with the cantilever girder truss mechanism (3) is further arranged on the inner side of the off-bridge vertical beam (5), the off-bridge traveling mechanism (7) is slidably supported on an extending body (12) of the bridge (1) and located outside a guardrail (11), a first horizontal distance is formed between the off-bridge vertical beam (5) and a sliding supporting point of the off-bridge traveling mechanism (7), a second horizontal distance is formed between the counterweight hurdle mechanism (4) and the sliding supporting point, and the second horizontal distance is larger than the first horizontal distance;
the off-bridge traveling mechanism (7) comprises a connecting main beam (70) which is fixedly connected with the cantilever main beam truss mechanism (3) and extends vertically, a traveling trolley (71) which is fixed on the connecting main beam (70), and a traveling track frame assembly (72) which is laid on the extending body (12) and extends along the length direction of the bridge (1), wherein the traveling trolley (71) is supported by the traveling track frame assembly (72);
the walking trolley (71) comprises a trolley frame (710), two rollers (711) connected below the trolley frame (710), and a driving mechanism (712) connected with one of the rollers (711) to drive the roller (711) to roll;
the upper surface of the extending body (12) is a windward inclined plane which is inclined downwards from the bridge deck (10), the walking track frame assembly (72) comprises tracks (721) which are laid on the windward inclined plane and extend along the length direction of the bridge (1), and the tracks (721) are connected to the upright posts of the guardrail (11) through traction pieces (722);
the traction piece (722) comprises a mounting sleeve (7221) and a traction strip (7222) connected with the mounting sleeve (7221), the mounting sleeve (7221) is detachably sleeved on the upright post, and two ends of the traction strip (7222) are respectively detachably connected with the mounting sleeve (7221) and the track (721);
the mounting sleeve (7221) comprises a U-shaped main body portion (7223), through holes are formed in two side walls of the main body portion (7223), a stop piece (7224) is installed in each through hole, and a space enclosed between the main body portion (7223) and the stop piece (7224) is used for the upright column to pass through; a fixed wing (7225) extends towards the outer side of the main body part (7223) from the side wall, and a first screw hole is formed in the fixed wing (7225); and one end of the pulling strip (7222) is correspondingly provided with a second screw hole, and one end of the pulling strip (7222) is fixed on the fixed wing (7225) through a bolt and a nut which are matched and connected with the first screw hole and the second screw hole.
2. The multi-function work platform cart of claim 1,
the stop piece (7224) comprises a screw rod penetrating through the two through holes and a nut fastened at the tail end of the screw rod.
3. The multi-function work platform cart of claim 1,
the rail (721) comprises a bottom plate (7210) laid on the windward inclined plane and an I-shaped guide rail (7211) fixed on the bottom plate (7210), a lower edge plate (7212) of the I-shaped guide rail (7211) is obliquely arranged and has the same inclination with the windward inclined plane, and an upper edge plate (7213) of the I-shaped guide rail (7211) is horizontally arranged;
the I-shaped guide rail (7211) is detachably connected with the drawing piece (722).
4. The multi-function work platform cart of claim 3,
the bottom plate (7210) has an area larger than that of the lower rim plate (7212).
5. The multi-function work platform cart of claim 3,
one side fixedly connected with fixed plate (7214) of lower flange (7212) orientation bridge floor (10), the one end detachable of tractive spare (722) connect in fixed plate (7214).
6. The multi-function work platform cart of claim 1,
the connecting main beam (70) is fixedly connected with the vertical beam (5) outside the bridge through a reinforcing beam (8).
CN201810725990.3A 2018-07-04 2018-07-04 Multifunctional operation platform vehicle Expired - Fee Related CN108867388B (en)

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Application Number Priority Date Filing Date Title
CN201810725990.3A CN108867388B (en) 2018-07-04 2018-07-04 Multifunctional operation platform vehicle

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Application Number Priority Date Filing Date Title
CN201810725990.3A CN108867388B (en) 2018-07-04 2018-07-04 Multifunctional operation platform vehicle

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CN108867388A CN108867388A (en) 2018-11-23
CN108867388B true CN108867388B (en) 2020-03-24

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201420238Y (en) * 2009-06-05 2010-03-10 范琦 Multifunctional repair car for deck bridge of railway
KR20160123513A (en) * 2015-04-16 2016-10-26 영신기술 주식회사 Moving Type Inspection Equipment of Bridge
CN106638299A (en) * 2017-01-18 2017-05-10 湖南瑞涪科技实业有限公司 Multifunctional operation platform and construction method
CN106869025A (en) * 2017-03-27 2017-06-20 鲁东大学 A kind of Detection System for Bridge and its method
CN208649902U (en) * 2018-07-04 2019-03-26 湖南瑞涪科技实业有限公司 Multifunction working platform vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201420238Y (en) * 2009-06-05 2010-03-10 范琦 Multifunctional repair car for deck bridge of railway
KR20160123513A (en) * 2015-04-16 2016-10-26 영신기술 주식회사 Moving Type Inspection Equipment of Bridge
CN106638299A (en) * 2017-01-18 2017-05-10 湖南瑞涪科技实业有限公司 Multifunctional operation platform and construction method
CN106869025A (en) * 2017-03-27 2017-06-20 鲁东大学 A kind of Detection System for Bridge and its method
CN208649902U (en) * 2018-07-04 2019-03-26 湖南瑞涪科技实业有限公司 Multifunction working platform vehicle

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