CN212738108U

CN212738108U - Track detection beam

Info

Publication number: CN212738108U
Application number: CN201921416037.7U
Authority: CN
Inventors: 杜少飞; 姚培
Original assignee: Chengdu Anke Taifeng Technology Co ltd
Current assignee: Chengdu Anke Taifeng Technology Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2021-03-19
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a track detects roof beam, this track detects roof beam body (19) of roof beam is connected through fastening bolt (41) with controlling hoist and mount arm (34), the davit adopts special-shaped cavity type structure, weight has both been alleviateed, intensity has been increased again, and be close to roof beam body (19) symmetric center as far as with the load point, when making the roof beam body receive vertical impact, it is as little as possible to warp, its fatigue damage has been alleviateed, the roof beam body has also adopted the hollow box structure, and be furnished with the lightening hole, thereby alleviateed its dead weight, furthermore, measuring module (2), inertia package unit (29) all adopt the bolt-up with the roof beam body, track detects the roof beam and adopts the modularized design, every module is assembled alone, upgrade has been reduced, the cost of maintaining.

Description

Track detection beam

Technical Field

The utility model relates to a track on-line measuring equipment technical field, especially a track detection roof beam.

Background

The rail detection vehicle is a special vehicle for evaluating the geometric state of the rail by detecting the smooth condition of the geometric state of the rail, and is called the rail detection vehicle for short. It is a tool for ensuring safe, stable and comfortable driving and maintaining finger guide rails. According to the record of the rail inspection vehicle, the places with poor rail working conditions can be found, so that emergency repair or speed limit measures can be taken, mileage sections needing to be subjected to planned maintenance are determined, and a maintenance operation plan is compiled. In addition, the quality level of the track maintenance level renovation operation can be evaluated according to the record of the track inspection vehicle.

Modern rail inspection vehicles generally adopt an inertial reference method and a non-contact measurement mode for detection, and the method is a rail gauge and rail direction measurement system based on a camera shooting principle. All track detection sensors are mounted on a set of devices suspended from the bogie frame, which is called a track detection beam. The rail detection sensor arranged on the rail detection beam mainly comprises a two-dimensional laser sensor, a three-dimensional acceleration sensor, a gyroscope assembly and the like. In the prior art, a detection beam widely adopted in China is a laser, a camera is directly arranged on a reversible detection beam in a beam body, and the general structure can be seen in figure 1. The crane boom mainly comprises a boom mounting support (11), a boom (12), a longitudinal vibration damping pad (13), a forward direction vibration damping pad (14), a diagonal draw bar (15), a beam body (16) and a camera cabin (17). The suspension arm mounting support (11) is fixed at the end of the bogie frame; the suspension arm (12) is fixed with the suspension arm mounting support (11) through a bolt, and high-frequency vibration is isolated by a vibration damping pad in the middle; the beam body (16) is arranged on the suspension arm (12), and a universal bearing and a rotating pin shaft (18) are arranged between the beam body and the suspension arm; track detection sensors such as lasers and cameras are mounted in the beam body (16). Normally, the detection beam is in the working position shown in fig. 1; when in maintenance and calibration, the diagonal draw bar (15) needs to be disassembled, and the beam body (16) is turned by 90 degrees around the rotating pin shaft component (18).

The above prior art has the following technical defects: the suspension arm mounting support (11), the suspension arm (12) and other parts are all solid steel parts, and the beam body is heavy in weight and not beneficial to driving safety; the installation size and the type of the track detection sensor are limited due to the limitation of the space in the beam body, so that the system is not convenient to upgrade and reform; the beam body (16) needs to be turned during calibration and maintenance, so that the system has a hinge link, the conditions of shaking or blocking and the like caused by abrasion of the pin shaft often occur in a strong vibration environment of a bogie frame, potential safety hazards exist, and the safety and reliability of the system are reduced; and the operation of turning over the roof beam needs great space, has restricted the track and has detected the installation of roof beam on the comparatively narrow and small vehicle in space under car such as the car is examined to the moving.

SUMMERY OF THE UTILITY MODEL

In order to solve the current track and detect the great, the quality of roof beam is heavier, the difficult scheduling problem of operation, rationally solve the potential safety hazard, the utility model provides a track detects the roof beam, the hoist and mount arm portion that this track detected the roof beam adopts hollow panel beating welded structure, the roof beam body also to be hollow box structure to it has the lightening hole to open, has effectively alleviateed the whole weight of track detection roof beam. All parts of the track detection beam are in bolt fastening structures, and no rotating pair is arranged in the structure, so that abrasion or relative displacement caused under the vibration working condition can be effectively avoided, and the safety and durability of the whole device are improved. In addition, this track detection roof beam adopts the modularized design, has greatly improved the convenience of maintaining and upgrading, so the practicality improves greatly.

The utility model discloses a technical scheme who adopts for solving its technical problem is: the utility model provides a track detects roof beam, is including the hoist and mount arm of connecting automobile body and roof beam body, as major structure, connects the roof beam body of measurement module and inertia package unit for the measurement module of measurement track parameter, the inertia package unit for doing data acquisition and processing, a lens hood for shielding light, prevent to disturb two-dimensional laser work.

The bogie connecting plate of the hoisting arm is perpendicular to the horizontal plane and is fastened and connected with the plane of the bogie through bolts, the beam body connecting plate of the hoisting arm is parallel to the horizontal plane and is fastened and connected with the beam body through bolts, the front side plate and the rear side plate of the hoisting arm are parallel, the bent top plate and the bent bottom plate of the hoisting arm are parallel and are welded with each other to form an envelope structure, and the envelope structure is welded with the bogie connecting plate and is welded with the beam body connecting plate to form a special-shaped box structure.

The top plate on the beam body is parallel to the bottom plate on the beam body and parallel to the horizontal plane, a reinforcing column is arranged between the through bolt holes and connected in a welding mode, the front panel and the rear panel of the beam body are parallel to each other, perpendicular to the horizontal plane and welded to the bottom plate on the beam body to form a formed structure, and the left side plate and the right side plate of the beam body are perpendicular to the horizontal plane and welded to the formed structure to form a cavity type beam body.

The bending part of the upper top plate of the beam body is welded with a reinforcing rib plate, and the bending part of the lower bottom plate of the beam body is welded with a reinforcing rib.

Lightening holes are formed in the front panel, the rear panel and the reinforcing rib plate of the beam body.

And a rubber shock pad is arranged between the beam body upper top plate and the beam body connecting plate of the suspension arm and is used for absorbing and eliminating vibration impact caused by vehicle walking. The track parameter measuring module is fixedly connected with the beam body through bolts, and waist-shaped holes are formed in the mounting lug plates of the beam body, so that the relative positions of the measuring module and the rail can be properly adjusted.

The track parameter measurement module is packaged independently, and inside is equipped with two-dimensional laser sensor, laser sensor controller, and acceleration sensor forms an solitary module, passes through the wire with the system and is connected, compromise convenience and waterproof dustproof.

The inertia package unit passes through bolt-up with the roof beam body and is connected, and inertia package unit encapsulates alone, and inside is equipped with inertia package, cable distributor, plays the effect of data acquisition, processing data and each module of connection.

The lower end of the beam body is connected with a light shield, the upper part of the light shield is a metal frame, and the lower part of the light shield is a flexible light shield, so that the effects of shielding external light and reducing the interference of the laser sensor are achieved.

The utility model has the advantages that: the weight of this rail is examined the roof beam has obtained very big the lightening, and does not have the revolute pair to exist in the relation of assembly, and all parts are the face contact bolt fastening, can not produce wearing and tearing, not hard up because of the vibration operating mode, have eliminated the potential safety hazard, have improved security and practicality. The rail inspection parameter measuring module and the inertia package unit are independent modules, can be independently adjusted along with different working conditions, and can be independently disassembled, assembled and replaced in later-stage upgrading and maintenance, so that the life cycle of the whole system can be effectively prolonged. During installation, the system can be installed after being packaged, each module can be installed independently, the installation is simple and rapid, and the use working condition is well expanded.

Drawings

The track detection beam of the present invention is further described in detail with reference to the accompanying drawings.

Fig. 1 is a perspective view of a prior art track sensing beam.

Fig. 2 is a perspective view of the track detecting beam of the present invention.

Fig. 3 is a schematic structural diagram of a rail detecting beam body.

Fig. 4 is a schematic structural view of the lifting arm.

Fig. 5 is a schematic structural diagram of the orbit data measurement module.

Fig. 6 is a schematic structural view of the inertia pack unit.

The device comprises a boom mounting support 11, a boom mounting support 12, a boom 13, a longitudinal shock pad 14, a driving direction shock pad 15, a diagonal draw bar 16, a beam body 17, a camera cabin 18 and a rotating pin shaft.

The device comprises a rail 1, a rail 2, a rail parameter measuring module 34, a hoisting arm 19, a beam body 194, an upper top plate 197, a lower bottom plate 192, a front plate 199, a rear plate 196, lightening holes 191, a left side plate 193, reinforcing ribs 198, reinforcing ribs 195, mounting ear plates 346, a bogie connecting plate 343, a front side plate 345, a rear side plate 344, a top side bent plate 341, a bottom side bent plate 342, a beam body connecting plate 204, a measuring module cover plate 202, a measuring module shell 201, a two-dimensional laser sensor 206, a laser controller 205, an acceleration sensor 203, a waterproof joint 27, a light shield 25, a light shield rigid frame 29, an inertia package unit 293, an inertia package unit cover plate 291, an inertia package unit shell 296, an inertia package 295, an aviation plug 292, a waterproof joint 24 and a rubber shock pad.

Detailed Description

The track detection beam of the present invention will be described in detail with reference to the accompanying drawings. A track detection beam comprises a beam body 19 which is used as a main body and connected with functional modules, wherein hoisting arms 34 are connected to two sides of a top plate on the beam body 19, a bogie connecting plate 346 of each hoisting arm 34 is in contact with a bogie mounting surface and is in rigid connection with the beam body 19 through bolts, and the hoisting arms 34 are fixedly connected with the beam body 19 through bolts 41. The front side plate 343 and the rear side plate 345 of the hoisting arm 34 are parallel and vertically welded on the bogie connecting plate 346, the top surface bent plate 344 and the bottom surface bent plate 341 of the hoisting arm 34 are parallel and vertically welded on the bogie connecting plate 346, and are welded with the front side plate 343 and the rear side plate 345 to form an envelope structure, and are vertically welded on the beam connecting plate 342 to form a special-shaped box structure, as shown in fig. 3.

The suspension arm 34 is used for being fixedly connected with a bogie of a rail inspection vehicle, the bogie can be a general rail inspection vehicle, a movable inspection vehicle, a subway rail inspection vehicle or even a bogie of an operation vehicle, and the installation range is greatly expanded.

The suspension arm 34 is structurally of a special-shaped box body structure, the cross section of the suspension arm is of a rectangular square frame structure, the supported bending moment and torque are greatly improved compared with those of a solid structure under the same surface area, meanwhile, the weight of the whole structure can be reduced, and the safety of equipment is improved. The front side plate 343, the rear side plate 345, the top surface bent plate 344 and the bottom surface bent plate 341 are formed by bending metal plates, the bending radius is large enough, and arc natural transition is realized along the stress direction, so that stress concentration is avoided.

The suspension arm 34 is connected with the box loading frame, the suspension arm 34 is connected with the beam body 19, the suspension arm and the beam body are fastened by adopting surface contact bolts, no rotating pair exists in the assembling relation, and under the working condition of vibration and impact of vehicle walking, no abrasion and looseness exist, potential safety hazards are eliminated, and the safety and the reliability of the whole set of equipment are improved.

The beam 19 is connected to the beam connecting plate 342 of the lifting arm 34, and a rubber shock pad 24 for absorbing vibration and impact is installed between the two.

The last roof panel 194 and the lower plate 197 of roof beam body 19 are parallel, it is equipped with the enhancement post to run through the bolt hole position, respectively in last roof panel 194, the lower plate 197 welds, the front panel 192 and the rear panel 199 of roof beam body 19 are parallel, respectively with last roof panel 194 welding, with the lower plate 197 welding, form cavity type structure, left side board 191 welds in cavity type structure left side, the right side board welds in cavity type structure right side, it has two reinforcing rib plates 193 to go up roof panel 194 department of bending, the lower plate department of bending welds has strengthening rib 198, evenly distributed, the welding has installation otic placode 195 on front panel 192 and the rear panel 199, be used for hoist and mount track parameter measurement module 2.

The upper top plate 194 and the lower bottom plate 197 of the beam body 19 are sheet metal bending pieces, and the bending radius is large enough to avoid stress concentration. The front panel 192, the rear panel 199 and the reinforcing ribs 193 are provided with lightening holes to lighten the weight of the whole structure and reduce the load of the system on the premise of ensuring the structural strength.

A measuring module 2 for measuring track parameter, major structure are measuring module shell 202, and measuring module apron 204 passes through bolted connection between the two, has sealed offset plate between the contact surface, and the lateral wall is equipped with the water joint 203 that is used for wearing out the wire, and laser sensor light-emitting window and camera position mouth all are equipped with sealed offset plate, and this measure ensures that track parameter measuring module 2 is inside to be sealed completely, reaches IP57 protection level.

The two-dimensional line laser sensor 201, the laser sensor controller 206 and the acceleration sensor 205 are arranged in the track parameter measuring module 2, and the components form an independent measuring module 2 and are packaged in a shell. The mechanical installation interface is hoist and mount trompil on the apron, and the function interface is water joint, and the installation is independent convenient, maintains convenient with low costs.

The inertia package unit 29 has a main structure including an inertia package unit shell 291 and an inertia package unit cover plate 293, the inertia package unit shell 291 and the inertia package unit cover plate 293 are connected through bolts, a sealing rubber plate is arranged between contact surfaces, a waterproof connector 292 used for penetrating out a lead is arranged on a side wall, an aviation plug 295 is installed on the cover plate and adopts a waterproof piece, and the inside of the inertia package unit 29 is completely sealed by the measures, so that the protection grade of IP57 is reached.

The inertia package unit 29 is internally provided with an inertia package, a circuit board for collecting data, a gyroscope assembly and the like are arranged in the inertia package, and the inertia package unit 29 is connected with the track parameter measuring module 2 and a vehicle-mounted computer to play a role in data transfer and processing. The mechanical interface of inertia package unit 29 is the screw that runs through of casing bottom, and the functional interface is water joint and aviation plug, and whole unit is independent encapsulation, and it is convenient to install, maintains simple and conveniently.

The lower ends of the two sides of the beam body 19 are also hung with light shields 27 for reducing the entering of external light and preventing the interference with the laser assembly. The light shield 27 is divided into an upper part and a lower part, wherein the upper part is a rigid frame 25 which is connected with the beam body 19 through bolts, the lower part is a flexible light shield which is connected with the rigid frame, and the light shield 17 is integrally arranged outside the track parameter measuring module 2 to shield external light from entering. The window shade is located in a certain range above the rail 1 to meet the requirement of a vehicle limit, and impact damage of foreign matters such as ballast broken stones to the rail detection beam can be avoided.

Through the current track detection roof beam contrast that shows with figure 1 in order to embody the utility model discloses the track detects the advantage of roof beam in installation and maintenance process. Installation:

as shown in FIG. 1, a prior art sensing beam first secures a boom mounting support 11 to a truck frame; then, mounting a suspension arm 12, a longitudinal vibration damping pad 13 and a forward direction vibration damping pad 14; the beam body 16 and the camera cabin 17 are assembled in a laboratory, and the bottom plate of the beam body cannot be installed; the beam body 16 is arranged on the suspension arm 12 through a rotating pin shaft 18 in a state of being turned by 90 degrees; mounting various track detection sensors into the beam body; connecting cables which penetrate through the track inspection vehicle one by one to the track detection sensor; calibrating and adjusting the track detection sensor, including adjusting the installation position; installing a detection beam bottom plate and other accessories; turning the detection beam to a working state, and installing a diagonal draw bar 15; and finishing the installation.

As shown in fig. 2, the track detecting beam of the present invention is configured such that the lifting arms 34 are installed at both sides of the beam body 19, and the middle of the beam is provided with the vibration damping rubber pad 24 and fastened by the through bolt; the hoisting arm 34 and the beam body 19 are arranged on the bogie together and are fastened by bolts; the lower parts of two sides of the beam body 19 are provided with track parameter measuring modules 2, and the outer sides of the beam body are provided with light shields which are fastened by bolts; an inertia package unit 29 is arranged in the middle of the rail inspection beam and fastened by bolts, and all cables are connected in an opposite insertion mode through connectors; and calibrating the sensor, and finishing the installation.

The following installation methods can also be adopted:

as shown in fig. 2, the track detecting beam of the present invention is provided with a hoisting arm mounted on both sides of the beam body, a shock absorbing rubber pad is added in the middle of the beam body during mounting, and the beam body is fastened by a through bolt; the lower parts of two sides of the beam body are provided with track parameter measuring modules 2, and the outer sides of the beam body are provided with light shields 27 which are fastened by bolts; an inertia package unit 29 is arranged in the middle of the rail inspection beam and fastened by bolts, and cables are connected among the modules in an inserted mode through connectors; the integral structure is arranged on a bogie, and the hoisting arm 34 is fixedly connected with the bogie by bolts; the vehicle body cable is inserted into the track detection beam through the connector; and calibrating the sensor, and finishing the installation.

Maintenance:

if a problem occurs in the detection beam in the prior art shown in FIG. 1, the diagonal draw bars 15 need to be removed; turning up the detection beam body 16; then the beam body bottom plate and other accessories are disassembled; troubleshooting or replacing sensors; mounting a beam body bottom plate and other accessories; turning the beam body 16 to a working state; installing a diagonal draw bar 15; and finishing maintenance.

If the measurement function of the track detection beam of the utility model shown in fig. 2 is in trouble, the track measurement module 2 is directly removed, and the track detection beam can be replaced or maintained; if the data acquisition transmission function goes wrong, the inertia package unit is directly dismantled and replaced or maintained. When a problem occurs, only the single module needs to be checked, and the whole device does not need to be disassembled.

Through the aforesaid explanation and contrast, it is visible that track detection roof beam effectual solved the track detection roof beam of existing use bulky, the quality is heavy partially, maintain the difficulty, have a series of problems of potential safety hazard, accomplished to alleviate the quality that detects the roof beam by a wide margin, adopted the modularized design to guarantee better maintainability and upgradability, alleviateed operating personnel's the work degree of difficulty during the installation, eliminated the potential safety hazard simultaneously, promoted the security of whole equipment.

The above description is only for the specific embodiments of the present invention, and the scope of the present invention can not be limited by the embodiments, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should still belong to the scope covered by the present patent.

Claims

1. The utility model provides a track detects roof beam, its characterized in that, is including the roof beam body (19) of connecting every module, and roof beam body upper surface left and right sides symmetric connection has hoist and mount arm (34) of being connected with vehicle bogie, and the roof beam body lower surface left and right sides is connected with measuring module (2) that are used for measuring the track parameter, still is connected with simultaneously and is used for shielding light shield (27) of external light, and the roof beam body intermediate connection has inertial bag unit (29) that are used for data acquisition and handle.

2. The track detection beam as claimed in claim 1, wherein the beam body (19) comprises an upper top plate (194), a lower bottom plate (197), a front plate (192) and a rear plate (199), the upper top plate (194) and the lower bottom plate (197) have the same size and shape, an aluminum plate is adopted for bending, the R angle is large enough, to avoid stress concentration, the front panel (192) and the back panel (199) are identical in size and shape and are provided with lightening holes (196), in order to reduce the dead weight of the beam body, the left side plate (191) and the right side plate have the same size and shape and are welded with adjacent plates to form the integral structure of the beam body, in addition, the bending parts of the upper top plate (194) and the lower bottom plate (197) are welded with a reinforcing rib plate (193) and a reinforcing rib plate (198), for reinforcing the overall structure, the front (192) and rear (199) panels are provided with mounting lugs (195) for connecting the measuring modules (2).

3. The track detection beam as claimed in claim 1, wherein the hoisting arm (34) comprises a bogie connecting plate (346), a front side plate (343), a rear side plate (345), a top curved plate (344) and a bottom curved plate (341), the bogie connecting plate (346) is used for being rigidly connected with a bogie, the front side plate (343) and the rear side plate (345) are similar in shape, an R angle is formed by bending, stress concentration is avoided, the top curved plate (344) and the bottom curved plate (341) are similar in shape and are welded with the front side plate and the rear side plate to form an envelope structure, and the envelope structure is respectively welded with the bogie connecting plate (346) and the beam body connecting plate (342).

4. The track detection beam as claimed in claim 1, wherein the measurement module (2) comprises a cover plate (204) and a measurement module shell (202), the cover plate (204) is fastened with the measurement module shell (202) through bolts, a sealing rubber plate is arranged between the lower plane of the cover plate (204) and the upper surface of the measurement module shell (202) to ensure the integral waterproof performance of the structure, a two-dimensional linear laser sensor (201), a laser controller (206) for processing data and an acceleration sensor (205) are installed in the inner cavity of the measurement module shell (202), and in addition, the measurement module (2) is provided with a waterproof connector (203) for passing through a cable.

5. A track sensing beam as claimed in claim 1, characterised in that the light shield (27) is bolted to the beam body, the upper part being a welded rigid frame (25) and the lower part being a flexible light shield.

6. The rail detecting beam as claimed in claim 1, wherein the inertia pack unit (29) comprises an inertia pack unit cover plate (293) and an inertia pack unit housing (291), the inertia pack unit cover plate (293) and the inertia pack unit housing (291) are fastened by bolts (294);

inertia package unit apron (293) lower surface and inertia package unit casing (291) upper surface between be equipped with sealed offset plate to guarantee the whole waterproof nature of structure, inside is provided with inertia package (296) that are used for data processing, the top is equipped with aviation plug (295) that are used for connecting all wires, the lateral wall is equipped with waterproof joint (292) that are used for passing through the cable.

7. The track detection beam as claimed in claim 1, wherein the left and right measurement modules (2) are provided with waterproof connectors (203) for leading out wires, the inertia pack unit (29) is also provided with a waterproof connector (292) for leading out wires, and the wires of all sensors in the measurement modules (2) are connected into the inertia pack unit (29) and then connected out through an aviation plug (295).

8. The track detection beam as claimed in claim 1, further comprising a beam body connection plate (342) and a beam body upper top plate (194) with a shock-absorbing rubber pad (24) therebetween.