CN113123231A - Rotary lifting type bridge inspection vehicle - Google Patents
Rotary lifting type bridge inspection vehicle Download PDFInfo
- Publication number
- CN113123231A CN113123231A CN202110516750.4A CN202110516750A CN113123231A CN 113123231 A CN113123231 A CN 113123231A CN 202110516750 A CN202110516750 A CN 202110516750A CN 113123231 A CN113123231 A CN 113123231A
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- bridge inspection
- type bridge
- vehicle
- lifting type
- bridge
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- 238000007689 inspection Methods 0.000 title claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims description 16
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000000630 rising effect Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000001514 detection method Methods 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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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
Abstract
The invention discloses a rotary lifting type bridge inspection vehicle, which is used for bridge inspection and maintenance and comprises a truss, wherein the truss comprises an integrally arranged top rail, a vertical ladder and a base; the walking mechanism is rotatably arranged on the top rail through a slewing mechanism; the slewing mechanism comprises a support frame, a driving device and two connecting plates; two sides of the supporting frame are respectively and fixedly connected with the walking bracket of the walking mechanism and the top rail through two connecting plates; the driving device is fixedly arranged on the top rail; the gantry body horizontally penetrates through the vertical ladder and vertically moves on the vertical ladder through a lifting mechanism. The rotary obstacle avoidance device has the functions of rotating to pass through piers and lifting up and down, and can realize the inspection and maintenance of the whole bridge through the rising and falling of a vehicle body through the rotary obstacle avoidance.
Description
Technical Field
The invention relates to the technical field of bridge inspection, in particular to a rotary lifting type bridge inspection vehicle.
Background
The bridge inspection vehicle mainly provides a detection platform for bridge detection personnel, so that all structures of the bridge can be conveniently and comprehensively inspected and maintained, and the safety of the bridge is guaranteed. For the current variable cross-section continuous steel structure bridge, because the shape of the bottom surface of the bridge is arched, and piers are required to be arranged at a certain distance, aiming at the bridge of the type, the most common design mode is to arrange a bridge inspection vehicle for each span (namely between two rows of piers), and simultaneously, a lifting platform is required to be arranged in a vehicle body to adapt to the inspection of the arched bottom surface of the bridge, so that the number of required bridge inspection vehicles is large for the bridge with long span, and the overhaul and maintenance cost of the bridge is greatly increased.
Therefore, it is necessary to design a rotary lifting type bridge inspection vehicle capable of rotating to pass through the pier and lifting up and down.
Disclosure of Invention
The invention aims to provide a rotary lifting type bridge inspection vehicle, which is used for solving the problems in the prior art and can realize the functions of rotating through piers and lifting up and down to inspect and maintain the whole bridge.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a rotary lifting type bridge inspection vehicle, which is used for a bridge and comprises a truss, wherein the truss comprises a top fence, a vertical ladder and a base which are integrally arranged;
the travelling mechanism is rotatably arranged on the top rail through a slewing mechanism;
the slewing mechanism comprises a support frame, a driving device and two connecting plates; two sides of the supporting frame are respectively and fixedly connected with the walking bracket of the walking mechanism and the top rail through two connecting plates; the driving device is fixedly arranged on the top rail;
a gantry body; the gantry body horizontally penetrates through the vertical ladder and vertically moves on the vertical ladder through a lifting mechanism.
The walking mechanism also comprises a speed reducing motor and a walking wheel which are bolted to the two ends of the top of the walking bracket; the speed reducing motor is in transmission connection with the walking wheel on the same side through an idler wheel; and the two walking wheels are arranged on the track at the bottom of the bridge in a rolling manner.
The support frame comprises an inner layer and an outer layer; the bottom of the inner layer is fixedly connected with the top of the top rail through the connecting plate; the top of the outer layer is fixedly connected with the bottom surface of the walking bracket through another connecting plate; the peripheral wall of the outer layer is provided with gear teeth.
The driving device comprises a direct current motor and a speed reducer; the speed reducer is connected with a transmission gear in a chain manner; the direct current motor is in transmission connection with the transmission gear through the speed reducer; the transmission gear is meshed with the gear teeth.
The gantry vehicle body comprises a vehicle body main body and a fixed gantry; the fixed gantry is fixedly arranged around the outer periphery of the vehicle body main body.
The lifting mechanism comprises a winch, a fixed pulley, a pulley hook and a guide wheel; the winch is fixedly arranged at the bottom of the vehicle body main body; the fixed pulley is fixedly arranged on the bottom surface of the top rail; one end of the pulley lifting hook is fixedly arranged at the center of the top of the fixed gantry, and the other end of the pulley lifting hook is connected with the winch; the positions of the fixed pulley and the pulley lifting hook correspond up and down; the guide wheels are provided with a plurality of groups, are arranged on two sides of a beam at the top of the vehicle body main body at equal intervals and correspond to the vertical ladder.
Preferably, the lifting of the gantry body is realized through the working of the winch; the guide wheel is installed on the gantry body, is in contact with the truss ladder and is used as the guide for lifting the gantry body.
An electric control device is also arranged; the electric control device comprises a generator and a control cabinet; the generator is fixedly arranged at the bottom of the vehicle body main body, and the control cabinet is fixedly arranged on the side wall of the vehicle body main body; the generator is electrically connected with the control cabinet through a cable; the control cabinet is also electrically connected with the travelling mechanism through the cable.
And a frequency converter, a relay and a power switch are arranged in the control cabinet.
Preferably, the frequency converter controls and drives a speed reduction motor, and the relay is used as high and low level output switching control to drive the winch and the direct current motor; the cable comprises two parts, wherein one part is that the generator is connected with the control cabinet and is fixed by a metal threading pipe, and the other part is that the control cabinet is connected with the walking mechanism and the slewing mechanism to transmit signals.
The invention discloses the following technical effects: the rotary lifting type bridge inspection vehicle has the functions of rotating to pass through piers and lifting up and down, the I-steel through long rails are arranged on two sides of a bridge, the rotary lifting type bridge inspection vehicle is installed on the I-steel rails, and when the rotary lifting type bridge inspection vehicle reaches bridge piers, the whole bridge can be inspected and maintained through the rotation obstacle avoidance and the ascending and descending of a vehicle body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a diagram of the components of the travel mechanism of the present invention;
FIG. 3 is a drawing of a gantry body part of the present invention;
FIG. 4 is a view of a truss member of the present invention;
FIG. 5 is a schematic view of the lowest position of the present invention;
FIG. 6 is a top view of the present invention;
FIG. 7 is a schematic view of a rotary transition block of the present invention;
FIG. 8 is a schematic diagram of an embodiment of the present invention.
The device comprises a traveling mechanism 1, a slewing mechanism 2, a truss 3, a lifting mechanism 4, a gantry body 5, a traveling support 11, a speed reducing motor 12, a traveling wheel 13, an idler wheel 14, a support frame 21, a connecting plate 22, a direct current motor 23, a speed reducer 24, a top rail 31, a vertical ladder 32, a base 33, a winch 41, a fixed pulley 42, a pulley hook 43, a guide wheel 44, a vehicle body 51, a fixed gantry 52, an electric control device 6, a generator 61 and a control cabinet 62.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a rotary lifting type bridge inspection vehicle, which is used for a bridge and comprises a truss 3, wherein the truss 3 comprises an integrally arranged top rail 31, a vertical ladder 32 and a base 32;
the travelling mechanism 1 is rotatably arranged on the top rail 31 through the rotating mechanism 2;
the swing mechanism 2 comprises a support frame 21, a driving device and two connecting plates 22; two sides of the supporting frame 21 are respectively fixedly connected with the walking bracket 11 and the top rail 31 of the walking mechanism 1 through two connecting plates 22; the driving device is fixedly arranged on the top rail 31;
a gantry body 5; the gantry body 5 horizontally penetrates the vertical ladder 32 and vertically moves on the vertical ladder 32 through the lifting mechanism 4.
The travelling mechanism 1 also comprises a speed reducing motor 12 and a travelling wheel 13 which are bolted to the two ends of the top of the travelling bracket 11; the speed reducing motor 12 is in transmission connection with a traveling wheel 13 on the same side through an idler wheel 14; the two travelling wheels 13 are arranged on the track at the bottom of the bridge in a rolling manner.
The support frame 21 comprises an inner layer and an outer layer; the bottom of the inner layer is fixedly connected with the top of the top rail 31 through a connecting plate 22; the top of the outer layer is fixedly connected with the bottom surface of the walking bracket 11 through another connecting plate 22; the peripheral wall of the outer layer is provided with gear teeth.
The driving device comprises a direct current motor 23 and a speed reducer 24; the speed reducer 24 is connected with a transmission gear in a chain way; the direct current motor 23 is in transmission connection with the transmission gear through a speed reducer 24; the transmission gear is meshed with the gear teeth.
The gantry body 5 comprises a body main body 51 and a fixed gantry 52; the fixed gantry 52 is fixedly provided around the outer periphery of the vehicle body 51.
The hoisting mechanism 4 includes a hoist 41, a fixed sheave 42, a sheave hook 43, and a guide pulley 44; the winch 41 is fixedly arranged at the bottom of the vehicle body main body 51; the fixed pulley 42 is fixedly arranged on the bottom surface of the top rail 31; one end of the pulley hook 42 is fixedly arranged at the center of the top of the fixed gantry 52, and the other end is connected with the winch 41; the fixed pulley 42 and the pulley hook 43 are vertically corresponding; the guide wheels 44 are provided with a plurality of groups, are arranged on two sides of a cross beam at the top of the vehicle body 51 at equal intervals and correspond to the vertical ladder 32 in position.
An electric control device 6 is also arranged; the electric control device comprises a generator 61 and a control cabinet 62; the generator 61 is fixedly arranged at the bottom of the vehicle body main body 51, and the control cabinet 62 is fixedly arranged on the side wall of the vehicle body main body 51; the generator 61 is electrically connected with the control cabinet 62 through a cable; the control cabinet 62 is also electrically connected to the traveling mechanism through a cable.
A frequency converter, a relay and a power switch are arranged in the control cabinet 62.
In one embodiment of the present invention, the vehicle body is made of an aluminum alloy.
In one embodiment of the present invention, the control cabinet 62 is further provided with a steering button of the dc motor 23; the button can be pressed to realize the forward and reverse rotation by 90 degrees.
In one embodiment of the present invention, the top rail 31, the vertical ladder 32 and the base 32 are integrally bolted.
Further, as shown in fig. 5-7, the inspection vehicles are mounted on both sides of the bridge, and fig. 5 and 6 show specific use conditions of the inspection vehicles adjusted according to the height of the bridge detection points and the bridge structure; the vehicle body 51 is adjusted in a sliding way at the upper end and the lower end of the vertical ladder 42, so that the personnel can conveniently check; figure 7 is a specific use case of the swivel pier when the bridge body blocks the inspection vehicle.
In one embodiment of the present invention, as shown in fig. 8, the cable may be secured using a metal conduit or a nylon tow chain.
In one embodiment of the invention, an inspection vehicle is provided with a traveling bracket 11 which is square in cross; a side beam reinforcement is arranged between the adjacent walking brackets 11; the support frame 21 is connected to each of the traveling brackets 11 and the side members.
In one embodiment of the invention, H-shaped steel for maintenance is installed on the bridge, and the traveling wheels 13 are rotatably arranged on an H-shaped steel track.
The working process of the invention is as follows: after entering the rotary lifting type inspection vehicle, bridge maintainers enter the aluminum alloy vehicle body from the top rail 31 along the vertical ladder 32, and switch power supplies of the generator 61 and the control cabinet 62 are turned on;
bridge maintainers operate forward and backward buttons on the control box 62, the frequency converter receives the instruction and then transmits the signal to the traveling mechanism driving device, and then the speed reducing motor 12 drives the traveling wheels 13 to travel on the I-shaped steel rails at the bottom of the bridge through the output shaft according to the signal, so that forward and backward of the rotary lifting type inspection vehicle are realized;
in the walking process, a bridge maintainer operates the ascending and descending buttons on the control box 62, the relay transmits signals to the winch 41 through signal conversion, and then the pulley lifting hook 43 is driven to ascend and descend the vehicle body main body 51, so that the inspection and maintenance work on the bottom surface of the arched bridge is completed;
when running into the pier in-process, the bridge maintainer operates levogyration on the control box 62, dextrorotation button, and the relay passes through signal conversion transmission to rotation mechanism, and direct current motor 23 drives speed reducer 23 drive gear and rotates, and the support frame 21 skin with the drive gear meshing is followed rotatory, makes the inspection car rotate to following the bridge to, and the continuous walking realizes rotatory mound function of crossing, through the pier after, repeats this operation once, makes the inspection car gyration reply initial condition.
The rotary lifting type bridge inspection vehicle is mainly suitable for being used for a bridge with a variable-section continuous steel structure, and the bottom surface of the bridge is arched.
The invention relates to a walking mode of a rotary lifting type bridge inspection vehicle, which is characterized in that two inspection vehicles are arranged on two sides of a bridge, and the inspection vehicles independently walk on one side when in use, belonging to the functions of half-width bridge detection and comprehensive rotary lifting. The invention has the advantages that the single-side independent walking mode shortens the installation track distance of the bridge inspection vehicle, improves the integral stability of the inspection vehicle, reduces the weight by half compared with the full-width bridge inspection vehicle because the bridge inspection vehicle is respectively installed at two sides of the bridge, greatly improves the use safety and is not limited by the type of the bridge pier. The existing rotary functional bridge inspection vehicle is only suitable for a plane bridge bottom and cannot be used for an arched bridge bottom, the design of the rotary functional bridge inspection vehicle is limited by the type of a pier, and the use requirement cannot be met for a drainage hole or a pier passing through a manhole with a small size. Compared with other types of lifting mechanisms, the winch is convenient to install and maintain in a lifting mode, has a self-locking anti-falling function, is more suitable for high-altitude equipment, and has obvious advantages in cost control and equipment safety.
The invention discloses the following technical effects: the rotary lifting type bridge inspection vehicle has the functions of rotating to pass through piers and lifting up and down, the I-steel through long rails are arranged on two sides of a bridge, the rotary lifting type bridge inspection vehicle is installed on the I-steel rails, and when the rotary lifting type bridge inspection vehicle reaches bridge piers, the whole bridge can be inspected and maintained through the rotation obstacle avoidance and the ascending and descending of a vehicle body.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (8)
1. A gyration over-and-under type bridge inspection car for the bridge, its characterized in that includes:
the truss (3), the said truss (3) includes the integrative overhead rail (31), vertical ladder (32) and base (32) set up;
the travelling mechanism (1) is rotatably arranged on the top rail (31) through a rotating mechanism (2);
the swing mechanism (2) comprises a support frame (21), a driving device and two connecting plates (22); two sides of the support frame (21) are respectively and fixedly connected with the walking support (11) of the walking mechanism (1) and the top rail (31) through the two connecting plates (22); the driving device is fixedly arranged on the top rail (31);
a gantry body (5); the gantry body (5) horizontally penetrates through the vertical ladder (32) and vertically moves on the vertical ladder (32) through a lifting mechanism (4).
2. The rotary lifting type bridge inspection vehicle of claim 1, wherein: the travelling mechanism (1) further comprises a speed reducing motor (12) and travelling wheels (13) which are bolted to the two ends of the top of the travelling support (11); the speed reducing motor (12) is in transmission connection with the traveling wheels (13) on the same side through idler wheels (14); the two traveling wheels (13) are arranged on the track at the bottom of the bridge in a rolling mode.
3. The rotary lifting type bridge inspection vehicle of claim 1, wherein: the support frame (21) comprises an inner layer and an outer layer; the bottom of the inner layer is fixedly connected with the top of the top rail (31) through the connecting plate (22); the top of the outer layer is fixedly connected with the bottom surface of the walking bracket (11) through another connecting plate (22); the peripheral wall of the outer layer is provided with gear teeth.
4. The rotary lifting type bridge inspection vehicle of claim 3, wherein: the driving device comprises a direct current motor (23) and a speed reducer (24); the speed reducer (24) is connected with a transmission gear in a chain way; the direct current motor (23) is in transmission connection with the transmission gear through the speed reducer (24); the transmission gear is meshed with the gear teeth.
5. The rotary lifting type bridge inspection vehicle of claim 1, wherein: the gantry vehicle body (5) comprises a vehicle body main body (51) and a fixed gantry (52); the fixed gantry (52) is fixedly arranged around the outer periphery of the vehicle body main body (51).
6. The rotary lifting type bridge inspection vehicle of claim 5, wherein: the lifting mechanism (4) comprises a winch (41), a fixed pulley (42), a pulley hook (43) and a guide wheel (44); the winch (41) is fixedly arranged at the bottom of the vehicle body main body (51); the fixed pulley (42) is fixedly arranged on the bottom surface of the top rail (31); one end of the pulley lifting hook (42) is fixedly arranged at the center of the top of the fixed gantry (52), and the other end of the pulley lifting hook is connected with the winch (41); the fixed pulley (42) and the pulley hook (43) are vertically corresponding; the guide wheels (44) are provided with a plurality of groups, are arranged on two sides of a cross beam at the top of the vehicle body main body (51) at equal intervals and correspond to the vertical ladder (32) in position.
7. The rotary lifting type bridge inspection vehicle of claim 5, wherein: an electric control device (6) is also arranged; the electric control device comprises a generator (61) and a control cabinet (62); the generator (61) is fixedly arranged at the bottom of the vehicle body main body (51), and the control cabinet (62) is fixedly arranged on the side wall of the vehicle body main body (51); the generator (61) is electrically connected with the control cabinet (62) through a cable; the control cabinet (62) is also electrically connected with the travelling mechanism through the cable.
8. The rotary lifting type bridge inspection vehicle of claim 7, wherein: and a frequency converter, a relay and a power switch are arranged in the control cabinet (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110516750.4A CN113123231A (en) | 2021-05-12 | 2021-05-12 | Rotary lifting type bridge inspection vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110516750.4A CN113123231A (en) | 2021-05-12 | 2021-05-12 | Rotary lifting type bridge inspection vehicle |
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| Publication Number | Publication Date |
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| CN113123231A true CN113123231A (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110516750.4A Pending CN113123231A (en) | 2021-05-12 | 2021-05-12 | Rotary lifting type bridge inspection vehicle |
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| Country | Link |
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| CN (1) | CN113123231A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638314A (en) * | 2021-08-09 | 2021-11-12 | 浙江交工交通科技发展有限公司 | Equipment for detecting bridge bottom crack and using method thereof |
| CN113970447A (en) * | 2021-10-26 | 2022-01-25 | 益阳振宇智能机器有限公司 | Bridge maintenance car test platform |
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| KR20070040345A (en) * | 2007-01-24 | 2007-04-16 | 주식회사 엠코리아 | Vehicle for working of bridge slab |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638314A (en) * | 2021-08-09 | 2021-11-12 | 浙江交工交通科技发展有限公司 | Equipment for detecting bridge bottom crack and using method thereof |
| CN113970447A (en) * | 2021-10-26 | 2022-01-25 | 益阳振宇智能机器有限公司 | Bridge maintenance car test platform |
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