CN212030372U

CN212030372U - Hand-push type platform limit measuring instrument based on double tracks

Info

Publication number: CN212030372U
Application number: CN202020696081.4U
Authority: CN
Inventors: 陈艳平; 赵海琛; 戴骐倡; 张庆; 许宝林; 李�学; 王正权; 胡雄伟; 徐伟人
Original assignee: Institute of Science and Technology of China Railway Shanghai Group Co Ltd
Current assignee: Institute of Science and Technology of China Railway Shanghai Group Co Ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-11-27
Anticipated expiration: 2030-04-30

Abstract

The utility model belongs to the technical field of the technique of the measuring method that the railway platform detected and equipment and specifically relates to a hand propelled platform limit measuring apparatu based on double track for the limit measurement of platform, including walking the road frame, connecting seat and dipperstick, walk the road frame main part and be T font structure, walk the road frame and can walk the way on the rail, the dipperstick passes through the connecting seat and articulates in one side of walking the road frame, the dipperstick is extending structure, an L shape hinge is installed to the tip of dipperstick, the profile shape of L shape hinge, size satisfy in the requirement with the identical adaptation in border of platform. The utility model takes the rail surface as the measuring reference, and accords with the definition of the platform limit measurement; the platform clearance measurement is carried out by adopting a double-track contact and push-up mode, and the measurement efficiency is high; the adopted angle encoder has reasonable and accurate data and good repeatability; the whole folding design, the transportation convenient to carry, easy operation, sexual valence relative altitude.

Description

Hand-push type platform limit measuring instrument based on double tracks

Technical Field

The utility model belongs to the technical field of the measuring method of railway platform detection and the technique of equipment and specifically relates to a hand propelled platform limit measuring apparatu based on double track.

Background

In recent years, the railway construction of China is continuously increased, the operation mileage is rapidly increased, and a large number of platforms exist or are newly built. But the platform can subside, and the position of circuit also can constantly change along with the operation to influence the boundary limit size of platform, probably take place when seriously exceeding the limit that the automobile body scrapes, passenger bodily injury, safety accident such as even colliding.

According to the requirements of the national iron group platform limit management related methods, each building department needs to dynamically manage the high-speed rail platform limit in the pipe, detect the high-speed rail platform limit periodically, comprehensively and timely master the dynamic change condition of the high-speed rail platform limit, and the requirements on the detection precision and frequency of the high-speed rail platform limit are higher and higher.

At present, the platform clearance measurement mainly adopts non-contact measurement and contact measurement, wherein the non-contact measurement method mostly adopts laser or ultrasonic distance measurement to realize clearance measurement, and the mode is expensive, large in volume and heavy in weight and inconvenient to carry due to the limitation of technical conditions. The contact type measurement has two types, namely traditional ruler type mechanical measurement and single-rail digital display type measurement, and the former has the defects of complex measurement operation process, low operation efficiency, low measurement precision, large artificial measurement error and the like, so that the existing measurement requirements cannot be met; the latter is a single-track measurement and does not fully comply with the definition of platform limit measurement.

In view of the above, it is necessary to research a double-rail measuring table limit measuring instrument with simple operation, high operation efficiency and high measurement accuracy.

Disclosure of Invention

The utility model aims at providing a hand propelled platform limit measuring apparatu based on double track according to above-mentioned prior art's is not enough to the rail surface is the measuring basis, adopts the double track contact, carries out the mode of leaning on and carries out the platform limit and measure, when accords with the platform limit and measures the definition, still has easy operation, the high and high advantage of measurement accuracy of operating efficiency.

The utility model discloses the purpose is realized accomplishing by following technical scheme:

the utility model provides a hand propelled platform limit measuring apparatu based on double track for the limit of platform is measured, its characterized in that: the measuring scale is of a telescopic structure, an L-shaped hinge is mounted at the end of the measuring scale, and the contour shape and size of the L-shaped hinge meet the requirement of matching with the edge of the platform.

Preferably, the main body of the walking frame comprises a main frame and an auxiliary frame, the auxiliary frame is fixedly connected to one end of the main frame, an inclined strut is arranged between the main frame and the auxiliary frame, the connecting seat is arranged at the joint of the main frame and the auxiliary frame, a first walking wheel and a first guide wheel are arranged at the joint of the inclined strut and the auxiliary frame, a second walking wheel and a second guide wheel are arranged at the other end of the main frame, the first walking wheel and the second walking wheel are respectively used for realizing walking of the walking frame on the steel rail, and the first guide wheel and the second guide wheel are used for guiding and limiting the walking frame during walking on the steel rail.

Preferably, the connecting seat includes base, pivot structure and angle encoder, the base pass through set screw with walk the vehicle frame connection, the pivot structure is fixed in the draw-in groove of base to coaxial coupling has the angle encoder, on the dipperstick L shape hinge goes up the installation area and marks the air level of scale.

Preferably, the dipperstick is including measuring main scale and scalable vice chi, measure the main scale inner chamber be provided with sliding guide with scalable vice chi is connected, and still be equipped with a fine setting button on the measurement main scale, measure the main scale pass through the fixed screw with pivot structure fixed connection, and can wind pivot structure free rotation, be provided with length sensor and demonstration processing unit on the scalable vice chi, be equipped with the measuring head on the scalable vice chi, L shape hinge mount is in on the measuring head.

Preferably, a first measuring head and a second measuring head are provided on the telescopic auxiliary scale, the L-shaped hinge being mountable to the first measuring head or the second measuring head.

Preferably, a displacement sensor, an inclination angle sensor and a data communication unit are arranged on the walking frame, and the data communication unit can acquire signals of the displacement sensor and the inclination angle sensor and form wireless communication with the measuring scale.

Preferably, a pushing handle is arranged on the walking frame.

Preferably, a high-capacity rechargeable lithium battery pack is arranged in the running vehicle frame.

The utility model has the advantages that: the rail surface is taken as a measuring reference, and the definition of platform limit measurement is met; the platform clearance measurement is carried out by adopting a double-track contact and push-up mode, and the measurement efficiency is high; the adopted angle encoder has reasonable and accurate data and good repeatability; the whole folding design, the transportation convenient to carry, easy operation, sexual valence relative altitude.

Drawings

Fig. 1 is a schematic view of the arrangement structure of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic front view of the present invention;

fig. 4 is a schematic view of the operation flow of the utility model during operation.

Detailed Description

The features of the present invention and other related features are described in further detail below by way of example in conjunction with the accompanying drawings to facilitate understanding by those skilled in the art:

as shown in fig. 1-3, the scores in the figures are expressed as: the device comprises a running frame 10, a main frame 110, a subframe 120, a diagonal support 130, first running wheels 140, second running wheels 150, first guide wheels 160, second guide wheels 170, a connecting seat 20, an angle encoder 210, a measuring scale 30, a measuring main scale 310, a telescopic auxiliary scale 320, a first measuring head 330, a second measuring head 340, a display processing unit 350, a fine adjustment knob 360, an L-shaped hinge 40, a pushing handle 50, a platform 60 and a steel rail 70.

Example (b): the utility model relates to a hand propelled platform limit measuring apparatu based on double track is with the rail surface as the measuring basis, adopts the double track contact, carries out the mode of leaning on and carries out the platform limit and measure, accords with the definition that the platform limit was measured completely.

As shown in fig. 1, 2 and 3, the surveying instrument mainly comprises a running vehicle frame 10, a connecting base 20 and a surveying ruler 30. As shown in fig. 3, the measuring tape 30 is hinged to one side of the running vehicle frame 10 through the connecting base 20, and the measuring tape 30 can be folded and fixed on the running vehicle frame 10 through a buckle, so that the measuring tape is convenient to transport and carry.

As shown in fig. 1, the main body of the running frame 10 has a T-shaped structure, the main body of the running frame 10 includes a main frame 110 and a sub-frame 120, the sub-frame 120 is fixedly connected to one end of the main frame 110, two braces 130 are disposed between the main frame 110 and the sub-frame 120, and the two braces 130 can be used to reinforce the stability of the connection between the main frame 110 and the sub-frame 120. As shown in fig. 3, the joints between the two diagonal braces 130 and the sub-frame 120 are respectively provided with a first running wheel 140 and a first guide wheel 160, the other end of the main frame 110 is provided with a second running wheel 150 and a second guide wheel 170, the first running wheel 140 and the second running wheel 150 are respectively used for realizing the running of the running frame 10 on the steel rail 70, and the first guide wheel 160 and the second guide wheel 170 are used for guiding and limiting the running frame 10 when running on the steel rail 70. Furthermore, the travel frame 10 is provided with a push handle 50. The pushing handle 50 is pushed, and the running carriage 10 can move along the track direction of the two steel rails 70 through the first running wheel 140 and the second running wheel 150 under the guiding of the first guiding wheel 160 and the second guiding wheel 170, so that the flexibility of the measuring instrument is improved, and the working efficiency is improved.

The connecting link 20 is provided at the junction of the main frame 110 and the sub-frame 120. The connecting base 20 comprises a base, a rotating shaft structure and an angle encoder 210, the base is connected with the walking frame 10 through a positioning screw, the rotating shaft structure is fixed in a clamping groove of the base, and the angle encoder 210 is coaxially connected with the rotating shaft structure.

The measuring scale 30 comprises a measuring main scale 310 and a telescopic auxiliary scale 320, a sliding guide rail is arranged in the inner cavity of the measuring main scale 310 and connected with the telescopic auxiliary scale 320, and the telescopic auxiliary scale 320 can move along the sliding guide rail, so that the whole length of the measuring scale 30 can be adjusted. In addition, the main measuring ruler 310 is further provided with a fine adjustment button, and the fine adjustment button is used for fine adjustment of the length of the retractable auxiliary ruler 320. The main measuring ruler 310 is fixedly connected with the rotating shaft structure of the connecting base 20 through a fixing screw, and can freely rotate around the rotating shaft structure, so as to adjust the angle between the measuring ruler 30 and the rail surface (i.e. the plane where the traveling carriage 10 is located). Because the angle encoder 210 and the rotating shaft structure are coaxially arranged, the angle encoder 210 can measure the angle between the measuring ruler 30 and the rail surface.

The measuring scale 30 is provided with an L-shaped hinge 40, the outline shape and the size of the L-shaped hinge 40 meet the requirement of matching with the edge of the platform 60, and the L-shaped hinge 40 is provided with a level bubble with marked scales. The L-shaped hinge 40 is clamped at the edge of the platform 60, the fine adjustment knob 360 on the main measuring ruler 310 is rotated, the length of the telescopic auxiliary ruler 320 is adjusted to enable the level bubble on the L-shaped hinge 40 to be located at the center of the marked scale, and the position where the measuring ruler 30 is located is the position needing to be measured.

As shown in fig. 3, the retractable auxiliary ruler 320 has a first measuring head 330 and a second measuring head 340, and the L-shaped hinge 40 can be mounted on the first measuring head 330 or the second measuring head 340 according to the platform 60 for the limit measurement of the passenger/freight railway platform, i.e. the limit size of the platform is a definite range, and the first measuring head 330 and the second measuring head 340 can respectively correspond to different limit size ranges, so that the L-shaped hinge 40 can be clamped on the edge of different platforms. In some embodiments, if the limit size range of the platform has more different ranges, a corresponding measuring head can be added to the retractable auxiliary ruler 320 to meet the limit measurement requirement of the platform.

The retractable sub scale 320 is provided with a length sensor and a display processing unit 350. The traveling frame 10 is provided with a displacement sensor, an inclination angle sensor and a data communication unit, the displacement sensor and the inclination angle sensor can respectively measure the inner track gauge and the ultrahigh angle value of the track at the position of the traveling frame 10, and the data communication unit can collect data signals of the displacement sensor and the inclination angle sensor and form wireless communication (such as Bluetooth) with the measuring scale 30. In combination with the angle encoder 210 of the connecting base 20, the measuring ruler 30 can measure and calculate the vertical height of the upper surface of the platform 60 relative to the center line of the base rotating shaft and the horizontal distance from the cap side of the platform 60 to the center line of the base rotating shaft through the length sensor and the angle encoder 210, thereby completing the measurement of the limit of the platform 60. In addition, the angle encoder 210 has high measurement accuracy, reasonable and accurate data and good repeatability.

A high-capacity lithium battery pack is arranged in the walking frame 10 and can supply power, and the maximum continuous working time is 12 hours.

In addition, as shown in fig. 4, the method of using the present embodiment is as follows:

1. when the measuring instrument is used for the first time, a calibration platform needs to be built to calibrate the sensor of the measuring system. The measuring instrument performs the measurement of the railway platform clearance according to the following steps: wherein each point measurement of the railway platform clearance comprises two data: the vertical height Hx (short for transverse dimension) of the highest point of the edge of the platform 60 from the horizontal line of the midpoint of the top connecting line of the two steel rails 70 and the distance Dx (short for vertical dimension) of the closest point of the side surface of the platform 60 from the plumb line of the midpoint of the top connecting line of the two steel rails 70;

2. when the measuring instrument is used, the measuring instrument is arranged on the two rails 70, the traveling frame 10 can move along the track direction of the two rails 70, and the measuring ruler 30 is unfastened from the buckle and is provided with the L-shaped hinge 40;

3. then, the power supply of the measuring instrument is turned on, the platform 60 limit measuring instrument is pushed forwards on the steel rail 70 to the required measuring point position by using the pushing handle 50, the L-shaped hinge 40 on the telescopic auxiliary ruler 320 is clamped against the edge of the platform 60, the fine adjustment knob 360 on the measuring main ruler 310 is rotated, the length of the telescopic auxiliary ruler 320 is adjusted to enable the air level on the L-shaped hinge 40 to be located at the center of the marked scale, the data communication unit collects the inner rail distance and the ultra-high angle value measured by the walking frame 10 in real time and uploads the inner rail distance and the ultra-high angle value to the display processing unit 350, the indication number of the display screen is read, and the vertical size Hx and the transverse size Dx of the point;

4. finally, the running carriage 10 is pushed to the next measuring point, the operation is repeated to finish the limit measurement of the platform 60, the power supply of the measuring instrument is turned off after the measurement is finished, the L-shaped hinge 40 is taken down, and the measuring scale 30 is fixed on the running underframe.

The measuring range of the embodiment is formulated according to platform building limits specified in railway technical management regulations and standard gauge railway building limits, and meets the requirement of measurement allowable deviation specified in railway building actual limit measurement and data format, and the measuring error is within 3 mm.

The embodiment is suitable for the measurement requirements of the railway platform clearance in various environments, has a reliable electric protection device, and has the advantages of simple structure of the whole machine, convenient and fast measurement process, safe and reliable work and high cost performance.

Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims, and therefore, the description thereof is not repeated herein.

Claims

1. The utility model provides a hand propelled platform limit measuring apparatu based on double track for the limit of platform is measured, its characterized in that: the measuring scale is of a telescopic structure, an L-shaped hinge is mounted at the end of the measuring scale, and the contour shape and size of the L-shaped hinge meet the requirement of matching with the edge of the platform.

2. The dual-rail-based hand-propelled platform clearance measuring instrument of claim 1, wherein: the main part of walking the frame includes main frame, sub vehicle frame fixed connection be in the one end of main frame, the main frame with be provided with the bracing between the sub vehicle frame, the connecting seat is located the main frame with the junction of sub vehicle frame, two the bracing with the junction of sub vehicle frame all is equipped with first walking wheel and first leading wheel, the other end of main frame is equipped with the second and walks capable wheel and second leading wheel, first walking wheel with the second is walked the wheel and is used for realizing respectively walk the frame and be in walk capable on the rail, first leading wheel with the second leading wheel is used for walk the frame and walk the direction and spacing when walking on the rail.

3. The dual-rail-based hand-propelled platform clearance measuring instrument of claim 1, wherein: the connecting seat comprises a base, a rotating shaft structure and an angle encoder, the base is connected with the walking frame through a positioning screw, the rotating shaft structure is fixed in a clamping groove of the base and is coaxially connected with the angle encoder, and a leveling bubble with marked scales is installed on the L-shaped hinge on the measuring scale.

4. A hand push type platform clearance measuring instrument based on double rails as claimed in claim 3, wherein: the dipperstick is including measuring main scale and scalable vice chi, measure the main scale inner chamber be provided with sliding guide with scalable vice chi is connected, and still be equipped with a fine setting button on the measurement main scale, measure the main scale pass through the fixed screw with pivot structure fixed connection, and can wind pivot structure free rotation, be provided with length sensor and demonstration processing unit on the scalable vice chi, be equipped with the measuring head on the scalable vice chi, L shape hinged joint is in on the measuring head.

5. The dual-rail-based hand-propelled platform clearance measuring instrument according to claim 4, wherein: the telescopic auxiliary ruler is provided with a first measuring head and a second measuring head, and the L-shaped hinge can be installed on the first measuring head or the second measuring head.

6. The dual-rail-based hand-propelled platform clearance measuring instrument of claim 1, wherein: the walking frame is provided with a displacement sensor, an inclination angle sensor and a data communication unit, and the data communication unit can acquire signals of the displacement sensor and the inclination angle sensor and form wireless communication with the measuring scale.

7. The dual-rail-based hand-propelled platform clearance measuring instrument of claim 1, wherein: and a pushing handle is arranged on the walking frame.

8. The dual-rail-based hand-propelled platform clearance measuring instrument of claim 1, wherein: a high-capacity rechargeable lithium battery pack is arranged in the walking frame.