CN213867346U - Bridge inspection vehicle adapting to height change of beam bottom - Google Patents
Bridge inspection vehicle adapting to height change of beam bottom Download PDFInfo
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- CN213867346U CN213867346U CN202022013469.2U CN202022013469U CN213867346U CN 213867346 U CN213867346 U CN 213867346U CN 202022013469 U CN202022013469 U CN 202022013469U CN 213867346 U CN213867346 U CN 213867346U
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Abstract
The utility model discloses a bridge inspection vehicle adapting to the height change of a beam bottom, when the bridge inspection vehicle adapting to the height change of the beam bottom is arranged between piers for inspection, two ends of the upper surface of a bridge move along the length direction of the bridge, the moving direction is limited and guided by contacting a web plate of the bridge through limiting wheels, and the upper surface of the bridge is not required to be additionally provided with tracks for limiting the moving mechanism, so that the steps of arranging the tracks are reduced, the construction efficiency is improved, the construction cost is reduced, the upper part of a main truss is positioned at two ends of the bridge and can not pass through the vehicle in the middle of the bridge, when the bridge inspection vehicle adapting to the height change of the beam bottom has the height change of the beam bottom in the moving process, a worker can adaptively lift the working platform through an operation lifting hoist, thereby the working platform can not lose the reliable observation result because the working platform is far away from the beam bottom, and the phenomenon that the movement of the working platform is hindered by the bottom of the bridge which is too low can be prevented.
Description
Technical Field
The utility model relates to a bridge maintenance construction technical field. More specifically, the utility model relates to a bridge inspection car of adaptation bottom of a beam altitude variation.
Background
The bridge inspection vehicle is an operation platform provided for bridge inspection personnel in the detection process, can move the position at any time, can safely, quickly and efficiently allow the inspection personnel to enter the operation position for flow detection or maintenance operation, and is necessary inspection equipment in bridge construction.
At present, bridge inspection car need set up the track on the roof beam body in order to guarantee the stability of inspection car operation, keep with the roof beam body position within a definite time, stretch into the breast position through the steel truss, make things convenient for personnel and equipment to arrange in the below to remove to the inspection car and inspect the breast. But current inspection car because the unilateral sets up independently mostly, consequently can receive the influence of bridge outside steel truss, danger is bigger, and bridge construction back, the beam bottom height can change along the bridge direction, current inspection car is because the work platform position below the steel truss is fixed, need change steel truss or whole inspection car after moving a distance, greatly reduced the operating efficiency of inspection car, increased the required work load of inspection, consequently need further improve on prior art's basis.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bridge inspection car of adaptation bottom of a beam altitude variation to solve among the prior art the technical problem that work efficiency is low, dangerous high of artifical spraying bridge.
To achieve these objects and other advantages in accordance with the purpose of the invention, a bridge inspection vehicle adapted to a change in a height of a bottom of a beam is provided, comprising:
the pair of main trusses are C-shaped structures and are symmetrically arranged at two ends of the bridge in the width direction in opposite directions, the upper parts of the main trusses are downwards provided with walking mechanisms, the lower ends of the walking mechanisms are positioned on the upper surface of the bridge and can move along the length direction of the bridge, and the lower parts of the main trusses horizontally extend towards a web plate of the bridge;
the upper ends of the lower trusses are respectively fixedly connected with the lower part of one main truss, the upper ends of the lower trusses are provided with limiting wheels facing the web plate of the bridge, and the limiting wheels are abutted against the surface of the web plate of the bridge on the corresponding side and can move along the length direction of the bridge;
the two ends of the working platform are respectively connected with the lower truss on the corresponding side in a sliding manner;
and the two traction ends of the pair of lifting hoists are fixedly connected with the two ends of the working platform respectively.
Preferably, the working platform is composed of two sub working platforms which are symmetrically arranged, two traction ends of the pair of lifting hoists are respectively and fixedly connected with the two sub working platforms, the outer ends of the two sub working platforms are respectively and slidably connected with the lower trusses on the corresponding sides, a first detachable connecting piece is connected and arranged between the two sub working platforms, the bridge inspection vehicle adapting to the height change of the beam bottom further comprises a pair of connecting frames and a pair of upper trusses which are oppositely arranged, wherein,
each link includes:
the lower translation mechanism is arranged at the lower end of one lower truss;
the connecting trusses are horizontally arranged on the lower translation mechanism, and the length of each connecting truss is slightly larger than half of the distance between the two lower trusses;
the lower translation mechanism drives the connecting trusses on the corresponding sides to horizontally move along the width direction of the bridge, and when the two connecting trusses move oppositely to be in contact, the two connecting trusses are fixedly connected through a second detachable connecting piece;
each upper truss includes:
the upper supporting truss is vertically arranged, and the lower end of the upper supporting truss is fixedly connected with the upper part of one main truss;
the upper translation mechanism is arranged at the upper end of the upper support truss;
the upper connecting bridge is horizontally arranged on the upper translation mechanism, the length of the upper connecting bridge is slightly larger than half of the distance between the two upper supporting trusses, the upper translation mechanism drives the upper connecting bridge on the corresponding side to horizontally move along the width direction of the bridge, and a third detachable connecting piece is connected between the upper connecting bridges of the two upper trusses.
Preferably, every the upper end of going up the bracing truss is fixed and is provided with one and goes up the rotation motor, go up the output shaft that rotates the motor set up and with last translation mechanism fixed connection, every the lower extreme of truss is provided with a lower rotation motor down, and the output shaft of lower rotation motor sets up down and fixedly connected with rotates the truss down, translation mechanism fixes the lower extreme that rotates the truss down.
Preferably, the upper translation mechanism comprises an upper guide frame horizontally fixed at the upper end of the upper support truss and an upper drive motor fixed on the upper guide frame, an output shaft of the upper drive motor is horizontally arranged and fixedly connected with an upper rotating gear, one upper connecting bridge penetrates into one upper guide frame, an upper rack is fixedly arranged on the outer side surface of the upper connecting bridge, which is the same as the upper rotating gear, along the length direction of the upper guide frame, and the upper rack is in meshing transmission with the upper rotating gear;
lower translation mechanism includes the lower guide frame that the level set up, fixes the lower driving motor on the guide frame down, and lower driving motor's output shaft level sets up and fixedly connected with lower driving gear, one in connecting the truss and penetrating a lower guide frame, connecting the truss and being located the fixed lower rack that is provided with of length direction along lower guide frame on the lateral surface the same with lower driving gear, lower rack and lower driving gear meshing transmission.
Preferably, a main truss diagonal brace is connected and arranged between the lower part of each main truss and the lower truss on the corresponding side, and a connecting bridge diagonal brace is arranged at the upper end of each upper supporting truss to support the upper connecting bridge frame on the corresponding side.
Preferably, the sub-working platform comprises a platform bottom plate, the surrounding of the platform bottom plate is upwards provided with handrails, the first detachable connecting piece comprises a pair of connecting bottom plates, the pair of connecting bottom plates are respectively and fixedly arranged on two adjacent handrails between the two sub-working platforms, the connecting bottom plates are provided with a plurality of through holes, and the connecting bottom plates are respectively positioned on the pair of connecting bottom plates and are connected through bolts between the two through holes on the same straight line.
Preferably, a pair of vertically extending first slide rails is oppositely arranged on the pair of lower trusses, a vertically extending second slide rail is arranged on the lower rotating truss, when the two connecting trusses are parallel to the width direction of the bridge, the two second slide rails are respectively located on the same vertical line with the first slide rails on the corresponding sides, and the outer ends of the two sub-working platforms are respectively located on the pair of first slide rails.
The utility model discloses at least, include following beneficial effect: when the bridge inspection vehicle adapting to the height change of the bottom of the beam is arranged between the piers for inspection, the traveling mechanism moves along the length direction of the bridge at two ends of the upper surface of the bridge, the traveling mechanism is in contact with a web plate of the bridge through the limiting wheels to limit and guide the traveling direction, the upper surface of the bridge does not need to be additionally provided with a track for limiting the travelling mechanism, so that the steps of arranging the track are reduced, the construction efficiency is improved, the construction cost is reduced, the upper part of the main truss positioned at the two ends of the bridge can not pass through the vehicle in the middle of the bridge, when the bridge inspection vehicle adapting to the height change of the beam bottom has the height change of the beam bottom in the moving process, a worker can operate the lifting hoist to lift the working platform adaptively, therefore, the working platform cannot lose a reliable observation result because the working platform is too far away from the beam bottom, and the phenomenon that the movement of the working platform is blocked by the excessively low bottom of the bridge can be prevented.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a front view of an embodiment of the present invention when the bridge height is low;
FIG. 2 is a front view of the present invention in an embodiment when the height of the bridge is high;
FIG. 3 is a front view of another embodiment of the present invention when the bridge is high;
fig. 4 is a front view structural view of an upper truss located on the right side of a bridge according to an embodiment of the present invention;
fig. 5 is a side view structural diagram of the upper translation mechanism on the right side of the bridge according to an embodiment of the present invention;
fig. 6 is a front view structural diagram of a connecting frame on the left side of a bridge according to an embodiment of the present invention;
FIG. 7 is a right side view structural view of FIG. 6;
fig. 8 is a schematic structural diagram of a working platform according to an embodiment of the present invention.
The specification reference numbers indicate: 1. the main truss, 2, running gear, 3, lower truss, 4, spacing wheel, 5, work platform, 6, the hoist or lower, 7, the first connecting piece of dismantling, 8, lower translation mechanism, 9, connect the truss, 10, go up the support truss, 11, go up translation mechanism, 12, go up and connect the crane span structure, 13, the third connecting piece of dismantling, 14, go up the rotating electrical machines, 15, lower rotating electrical machines, 16, lower rotating truss, 17, go up the guide frame, 18, go up driving electrical machines, 19, go up the rotating gear, 20, go up the rack, 21, lower guide frame, 22, lower driving electrical machines, 23, lower rotating electrical machines, 24, lower rack, 25, the main truss bracing, 26, connect the bridge bracing, 27, the platform bottom plate, 28, connect the bottom plate, 29, the railing, 30, the through-hole, 31, the cat ladder, 101, the bridge.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
In the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1, fig. 2, fig. 3 and fig. 8, the utility model discloses a bridge inspection vehicle adapting to the change of the height of the beam bottom, which comprises:
the pair of main trusses 1 are C-shaped structures and are oppositely and symmetrically arranged at two ends of the bridge 101 in the width direction, the upper parts of the main trusses 1 are downwards provided with walking mechanisms 2, the lower ends of the walking mechanisms 2 are positioned on the upper surface of the bridge 101 and can move along the length direction of the bridge 101, and the lower parts of the main trusses 1 horizontally extend towards a web plate of the bridge 101;
the upper ends of the lower trusses 3 are respectively fixedly connected with the lower part of one main truss 1, the upper ends of the lower trusses 3 are provided with limiting wheels 4 facing to the web plate of the bridge 101, and the limiting wheels 4 are abutted against the surface of the web plate of the bridge 101 on the corresponding side and can move along the length direction of the bridge 101;
the two ends of the working platform 5 are respectively connected with the lower truss 3 on the corresponding side in a sliding manner;
and the two traction ends of the pair of lifting hoists 6 are fixedly connected with the two ends of the working platform 5 respectively.
A pair of main trusses are arranged at both ends of the width direction of the bridge, the position of a wing plate of the bridge close to the edge is positioned between the upper part and the lower part of the main trusses, a pair of lower trusses are respectively positioned at both sides of the width direction of a web plate of the bridge, a working platform connects the pair of lower trusses, when the device of the utility model is used for checking between piers, the travelling mechanism moves at both ends of the upper surface of the bridge along the length direction of the bridge, the travelling direction is limited and guided by the web plate which is contacted with the bridge through a limiting wheel, and the upper surface of the bridge does not need to be additionally provided with a track for the travelling mechanism to limit, the step of arranging the track is reduced, the construction efficiency is improved, the construction cost is reduced, the vehicle in the middle of the bridge can not pass through at both ends of the upper part of the main trusses, in addition, when the height of the bottom of the bridge changes along with the movement of the utility model on the bridge, the staff can carry out the adaptability through operation hoist and lower with work platform to make work platform both can not lose reliable observation result because of being too far away from the breast, can prevent again that the bridge bottom that hangs down from causing the hindrance to work platform's removal. In order to facilitate the entry of personnel into the work platform, a continuous ladder 31 of a certain length can be arranged on the main truss and the lower truss through additional hanging baskets.
In another technical scheme, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, the working platform 5 is composed of two sub-working platforms 5 symmetrically arranged, two traction ends of the pair of lifting hoists 6 are respectively fixedly connected with the two sub-working platforms 5, outer ends of the two sub-working platforms 5 are respectively connected with the lower truss 3 at the corresponding side in a sliding manner, a first detachable connecting member 7 is connected between the two sub-working platforms 5, the bridge 101 inspection vehicle adapted to the change of the height of the beam bottom further includes a pair of connecting frames and a pair of upper trusses oppositely arranged, wherein,
each link includes:
a lower translation mechanism 8 provided at a lower end of one of the lower trusses 3;
the connecting truss 9 is horizontally arranged on the lower translation mechanism 8, and the length of the connecting truss 9 is slightly larger than half of the distance between the two lower trusses 3;
the lower translation mechanism 8 drives the connecting trusses 9 on the corresponding side to horizontally move along the width direction of the bridge 101, and when the two connecting trusses 9 move oppositely to be in contact with each other, the two connecting trusses 9 are fixedly connected through a second detachable connecting piece;
each upper truss includes:
an upper support truss 10 which is vertically arranged and the lower end of which is fixedly connected with the upper part of one main truss 1;
an upper translation mechanism 11 provided at an upper end of the upper support truss 10;
the upper connecting bridge frame 12 is horizontally arranged on the upper translation mechanism 11, the length of the upper connecting bridge frame 12 is slightly larger than half of the distance between the two upper supporting trusses 10, the upper translation mechanism 11 drives the upper connecting bridge frame 12 on the corresponding side to horizontally move along the width direction of the bridge 101, and a third detachable connecting piece 13 is connected between the upper connecting bridge frames 12 of the two upper trusses.
When the bridge inspection vehicle adapting to the height change of the beam bottom moves between two bridge piers, two sub working platforms are connected into a whole through a first detachable connecting piece, two connecting trusses move oppositely to be contacted through a lower translation mechanism and are fixedly connected through a second detachable connecting piece such as a nut and a screw rod assembly with a nut, the upper connecting bridge frames of the two upper trusses are connected in a close way, a pair of main trusses and a pair of lower trusses form a whole through the connection of the two connecting trusses, the upper trusses are positioned at the upper parts of the main trusses, the center of gravity of the whole is positioned near the central line of the bridge, under the action of the connecting truss and the limiting wheels, the whole bridge inspection vehicle can keep stable when walking along the length direction of the bridge, when the height of the bottom of the bridge beam changes, the worker can operate the lifting hoist to lift the whole working platform in an adaptive manner.
When the bridge inspection vehicle adapting to the height change of the beam bottom moves along the length direction of the bridge and needs to cross over the bridge pier, the upper translation mechanism is driven at first, so that two upper connecting bridges are close to each other and are connected with each other through the third detachable connecting piece when in contact, the two upper connecting bridges provide stress support in the width direction of the bridge, the main truss can be pulled inwards, the limiting wheels which are abutted against a web plate of the bridge are combined, the movement direction of the main truss is limited, the outward overturning or sliding is prevented, and at the moment, because a certain height is kept between the upper connecting bridges and the bridge floor, the vehicle passing below the height is still not influenced; then put work platform down on connecting two connection trusses as an organic whole, dismantle connecting piece with work platform and second, a sub-work platform is located a connection truss respectively, then start down translation mechanism drive two connection trusses and take a sub-work platform translation towards the bridge outside respectively, make between two connection trusses and leave the space that enough pier passes through between two sub-work platforms smoothly through the pier, rethread two translation mechanism drive two connection trusses and be close to down behind the pier, connect two sub-work platforms and two connection trusses respectively through first detachable connecting piece, the connecting piece can be dismantled to the second again, dismantle the connecting piece again, drive two upper connection bridges reverse translations through last translation mechanism, guarantee that all high vehicles above the bridge pass through smoothly.
Through with work platform, connect the truss, go up to connect the crane span structure and set up to dismantling connection structure, make the utility model discloses a bridge inspection car that adaptation bottom of a beam altitude variation can go forward along bridge floor extending direction always, need not to spend the plenty of time to reset the inspection car when meetting the pier to improve the efficiency and the continuity of inspection operation, reduced operating time, practiced thrift a large amount of manpowers and energy consumption.
In another technical solution, as shown in fig. 4, 5, 6, and 7, an upper rotating motor 14 is fixedly disposed at an upper end of each upper supporting truss 10, an output shaft of the upper rotating motor 14 is disposed upward and is fixedly connected to the upper translating mechanism 11, a lower rotating motor 15 is disposed at a lower end of each lower truss 3, an output shaft of the lower rotating motor 15 is disposed downward and is fixedly connected to a lower rotating truss 16, and the lower translating mechanism 8 is fixed at a lower end of the lower rotating truss 16.
After setting up the vertical rotation structure, if connect the crane span structure respectively after outside translation certain distance on two, rotate the motor on the start, carry out the horizontal rotation to the length direction that is on a parallel with the bridge with two last translation mechanisms and two and connect the crane span structure, and two connection trusses of below are after respectively outside translation certain distance, rotate the motor under the start, carry out the horizontal rotation respectively to the length direction that is on a parallel with the bridge with two sub-work platform and two connection trusses, the last bridge of connecting has been reduced like this, the translation displacement of connecting the truss, be convenient for adjust the balance, connect the truss two, form the space that enough piers passed through fast between the crane span structure on two. When two connecting trusses, two sub working platforms or two upper connecting bridges need to be connected, the lower rotating motor and the upper rotating motor are respectively started to rotate again to the position which is the same as the width direction of the bridge.
Under the effect that last rotation motor exists, the third can dismantle the connecting piece can set up to be located two C type couples that connect the opposite one end of crane span structure respectively, two C type couples each other become 90 degrees settings, when needing to connect two and go up the crane span structures, earlier through last translation mechanism drive two go up connect the crane span structure translation to make C type couple reach the length position that can insert the space each other after rotatory, it makes two C type couples rotate until inserting the space each other to start up the rotation motor again, translation mechanism lets two go up to connect the crane span structure slightly outside translation, make two C type couples hook and hook completion interconnect each other again.
In another technical solution, as shown in fig. 4, 5, 6, and 7, the upper translation mechanism 11 includes an upper guide frame 17 horizontally fixed at an upper end of the upper support truss 10, and an upper driving motor 18 fixed on the upper guide frame 17, an output shaft of the upper driving motor 18 is horizontally disposed and fixedly connected with an upper rotating gear 19, one of the upper connecting bridges 12 penetrates into one of the upper guide frames 17, an upper rack 20 is fixedly disposed on an outer side surface of the upper connecting bridge 12, which is the same as the upper rotating gear 19, along a length direction of the upper guide frame 17, and the upper rack 20 is in meshing transmission with the upper rotating gear 19;
Through setting up translation mechanism into mainly by gear and rack meshing driven structure, connect the crane span structure, connect the truss translation on spacing and the guide is corresponding respectively through last guide frame, lower guide frame for the translation volume is easily controlled, and simple structure, the installation of being convenient for.
In another technical solution, as shown in fig. 1, a main truss diagonal brace 25 is connected between the lower portion of each main truss 1 and the corresponding lower truss 3, and a connecting bridge diagonal brace 26 is provided at the upper end of each upper supporting truss 10 to support the corresponding upper connecting bridge 12.
The lower truss and the main truss are connected through the main truss diagonal brace to reinforce the structural strength, the upper end of the upper supporting truss can be upwards provided with the connecting bridge diagonal brace at the position on the moving path of the upper connecting bridge, the upper connecting bridge is effectively supported in an auxiliary mode, and the supporting capacity and the supporting stability of the upper connecting bridge by the upper supporting truss are enhanced.
In another technical solution, as shown in fig. 1, fig. 2, and fig. 3, the sub-working platform 5 includes a platform bottom plate 27, rails 29 are provided upwards around the platform bottom plate 27, the first detachable connecting member 7 includes a pair of connecting bottom plates 28, the pair of connecting bottom plates 28 are respectively fixedly provided on two adjacent rails 29 between the two sub-working platforms 5, the connecting bottom plates 28 are provided with a plurality of through holes 30, and the two through holes 30 respectively located on the pair of connecting bottom plates 28 and located on the same straight line are connected by bolts.
Set up the railing and guarantee personnel's safety on work platform, set up first detachable connecting piece into the mode that has the connecting baseplate of through-hole and pass through bolted connection, simple structure, convenient operation.
In another technical scheme, as shown in fig. 1, 2, and 3, a pair of vertically extending first slide rails are oppositely arranged on the pair of lower trusses 3, a vertically extending second slide rail is arranged on the lower rotating truss 16, when the two connecting trusses 9 are parallel to the width direction of the bridge 101, the two second slide rails are respectively located on the same vertical line with the first slide rails on the corresponding sides, and the outer ends of the two sub-working platforms 5 are respectively located on the pair of first slide rails.
Through setting up first slide rail and second slide rail, carry on spacingly to work platform's removal route, improved the safety and the stability that work platform removed to also make things convenient for being connected between a pair of lower truss and the work platform, when setting up to the slide rail of anticreep rail formula, work platform can also provide horizontal rigid connection supporting role for a pair of lower truss.
While the embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and illustrated embodiments, but is capable of being applied in all kinds of fields adapted to the invention, and further modifications may readily be made by those skilled in the art, and the invention is therefore not limited to the details given herein and to the drawings described herein, without departing from the general concept defined by the appended claims and their equivalents.
Claims (7)
1. Bridge inspection vehicle of adaptation bottom of a beam altitude variation, its characterized in that includes:
the pair of main trusses are C-shaped structures and are symmetrically arranged at two ends of the bridge in the width direction in opposite directions, the upper parts of the main trusses are downwards provided with walking mechanisms, the lower ends of the walking mechanisms are positioned on the upper surface of the bridge and can move along the length direction of the bridge, and the lower parts of the main trusses horizontally extend towards a web plate of the bridge;
the upper ends of the lower trusses are respectively fixedly connected with the lower part of one main truss, the upper ends of the lower trusses are provided with limiting wheels facing the web plate of the bridge, and the limiting wheels are abutted against the surface of the web plate of the bridge on the corresponding side and can move along the length direction of the bridge;
the two ends of the working platform are respectively connected with the lower truss on the corresponding side in a sliding manner;
and the two traction ends of the pair of lifting hoists are fixedly connected with the two ends of the working platform respectively.
2. The bridge inspection vehicle adapted to the height change of the beam bottom according to claim 1, wherein the working platform is composed of two sub-working platforms symmetrically arranged, the two traction ends of the pair of lifting hoists are respectively and fixedly connected with the two sub-working platforms, the outer ends of the two sub-working platforms are respectively and slidably connected with the lower truss on the corresponding side, a first detachable connecting member is connected between the two sub-working platforms, the bridge inspection vehicle adapted to the height change of the beam bottom further comprises a pair of connecting frames and a pair of upper trusses oppositely arranged, wherein,
each link includes:
the lower translation mechanism is arranged at the lower end of one lower truss;
the connecting trusses are horizontally arranged on the lower translation mechanism, and the length of each connecting truss is slightly larger than half of the distance between the two lower trusses;
the lower translation mechanism drives the connecting trusses on the corresponding sides to horizontally move along the width direction of the bridge, and when the two connecting trusses move oppositely to be in contact, the two connecting trusses are fixedly connected through a second detachable connecting piece;
each upper truss includes:
the upper supporting truss is vertically arranged, and the lower end of the upper supporting truss is fixedly connected with the upper part of one main truss;
the upper translation mechanism is arranged at the upper end of the upper support truss;
the upper connecting bridge is horizontally arranged on the upper translation mechanism, the length of the upper connecting bridge is slightly larger than half of the distance between the two upper supporting trusses, the upper translation mechanism drives the upper connecting bridge on the corresponding side to horizontally move along the width direction of the bridge, and a third detachable connecting piece is connected between the upper connecting bridges of the two upper trusses.
3. A bridge inspection vehicle according to claim 2, wherein an upper rotating motor is fixedly arranged at the upper end of each upper supporting truss, an output shaft of the upper rotating motor is arranged upward and fixedly connected with the upper translation mechanism, a lower rotating motor is arranged at the lower end of each lower truss, an output shaft of the lower rotating motor is arranged downward and fixedly connected with a lower rotating truss, and the lower translation mechanism is fixed at the lower end of the lower rotating truss.
4. The bridge inspection vehicle adapting to the change of the height of the bottom of the beam as claimed in claim 2, wherein the upper translation mechanism comprises an upper guide frame horizontally fixed at the upper end of the upper support truss, an upper driving motor fixed on the upper guide frame, an output shaft of the upper driving motor is horizontally arranged and fixedly connected with an upper rotating gear, one upper connecting bridge frame penetrates into one upper guide frame, an upper rack is fixedly arranged on the same outer side surface of the upper connecting bridge frame as the upper rotating gear along the length direction of the upper guide frame, and the upper rack is in meshing transmission with the upper rotating gear;
lower translation mechanism includes the lower guide frame that the level set up, fixes the lower driving motor on the guide frame down, and lower driving motor's output shaft level sets up and fixedly connected with lower driving gear, one in connecting the truss and penetrating a lower guide frame, connecting the truss and being located the fixed lower rack that is provided with of length direction along lower guide frame on the lateral surface the same with lower driving gear, lower rack and lower driving gear meshing transmission.
5. A bridge inspection vehicle according to claim 2, wherein a main truss brace is connected between the lower portion of each main truss and the lower truss on the corresponding side, and a connecting bridge brace is provided at the upper end of each upper supporting truss for supporting the upper connecting bridge frame on the corresponding side.
6. The bridge inspection vehicle adapting to the height change of the beam bottom according to claim 2, wherein the sub-working platforms comprise a platform bottom plate, the periphery of the platform bottom plate is provided with a pair of rails upwards, the first detachable connecting piece comprises a pair of connecting bottom plates, the pair of connecting bottom plates are respectively and fixedly arranged on the two adjacent rails between the two sub-working platforms, the connecting bottom plates are provided with a plurality of through holes, and the two through holes respectively positioned on the pair of connecting bottom plates and positioned on the same straight line are connected through bolts.
7. A bridge inspection vehicle adapted to height variation of a beam bottom according to claim 3, wherein a pair of vertically extending first slide rails are oppositely arranged on the pair of lower trusses, a vertically extending second slide rail is arranged on the lower rotating truss, when the two connecting trusses are parallel to the width direction of the bridge, the two second slide rails are respectively located on the same vertical line with the corresponding first slide rail, and the outer ends of the two sub-working platforms are respectively located on the pair of first slide rails.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737480A (en) * | 2022-03-17 | 2022-07-12 | 中铁九桥工程有限公司 | Multifunctional offshore steel box girder construction platform |
| CN115012317A (en) * | 2022-07-08 | 2022-09-06 | 广州城建职业学院 | Climbing device for bridge erecting machine |
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2020
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737480A (en) * | 2022-03-17 | 2022-07-12 | 中铁九桥工程有限公司 | Multifunctional offshore steel box girder construction platform |
| CN115012317A (en) * | 2022-07-08 | 2022-09-06 | 广州城建职业学院 | Climbing device for bridge erecting machine |
| CN115012317B (en) * | 2022-07-08 | 2024-05-07 | 广州城建职业学院 | Climbing device for bridge girder erection machine |
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