CN112342850A

CN112342850A - Groove rail measuring instrument

Info

Publication number: CN112342850A
Application number: CN202011204506.6A
Authority: CN
Inventors: 陶捷; 朱洪涛
Original assignee: Jiangxi Everbright Measurement And Control Technology Co ltd
Current assignee: Jiangxi Everbright Measurement And Control Technology Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-02-09

Abstract

The invention provides a groove rail measuring instrument, which comprises a girder, a side arm and a computer component, wherein one end of the girder is connected with the middle part of the side arm to form a T-shaped structure, the other end of the girder is provided with a first measuring component, the middle part of the side arm is provided with a second measuring component, the first measuring component and the second measuring component are used for measuring the rail distance of a groove rail at the same time, during measurement, the first measuring component and the second measuring component are movably matched with a groove, the groove rail measuring instrument also comprises a prism component and a total station, the prism component is vertically and upwards installed in the middle part of the girder, the total station is erected on a roadbed between the two groove rails, during measurement, the total station and the prism component work in a matched mode to obtain the coordinate parameters of the prism component through measurement and feed the coordinate parameters back to the computer component, and the computer component calculates the coordinate. The groove rail measuring instrument combines the equipment for measuring the coordinate with the equipment for measuring the rail gauge of the rail, and realizes convenient and rapid measurement of geometric parameters such as the rail gauge, the coordinate and the like of the rail.

Description

Groove rail measuring instrument

Technical Field

The invention relates to the field of rail measurement, in particular to a groove rail measuring instrument.

Background

Parameters such as track gauge, levelness and coordinates of the track are the most basic evaluation indexes of the quality condition of the track engineering, reflect the quality of the track and are convenient for timely correcting the track.

The existing track gauge and track coordinate parameters are usually measured separately by using different measuring instruments, the track coordinate parameters are usually measured by the cooperation between a total station and a prism, the coordinates of the prism are measured, the track coordinate parameters are obtained according to the height of the prism and the position parameters of the prism relative to the track, before the measurement, the prism needs to be erected manually, the prism is placed on a measured point, and then the prism base is leveled, and the specific steps are usually as follows: erecting an instrument, preferably uniformly distributing tripods around a control point, and treading three feet of the tripods tightly; adjusting the foot screw to align the center of the dot in the ocular lens to a control point to be aligned; adjusting the three legs to adjust the round level bubble to the middle; the three foot screws are used as reference, the leveling tube is parallel to the two foot screws, the leveling bubble is leveled by adjusting the two foot screws, the instrument is rotated by 90 degrees to enable the leveling tube to be vertical to the screw direction of the two foot screws, the third foot screw is adjusted to enable the bubble to be centered, and the action is repeated, so that the instrument is leveled accurately.

Before the track coordinate parameters are measured, the prism needs to be subjected to complicated manual erection and leveling work, and when different points to be measured are measured, the prism needs to be manually moved and erected to each station to be measured, and the leveling work is carried out, so that the whole measuring process is complicated, error is easy to occur, and time and labor are wasted.

Disclosure of Invention

The invention aims to provide a groove rail measuring instrument, which aims to solve the problems that in the prior art, the rail gauge and the rail coordinate parameter are measured separately, and before the rail coordinate parameter is measured, a prism needs to be erected and leveled by tedious manpower, the whole measuring process is complicated, errors are easy to occur, and time and labor are consumed.

The invention provides a groove rail measuring instrument, which is used for measuring geometric parameters of a groove rail, wherein the groove rail is provided with a groove, the groove rail measuring instrument comprises a crossbeam, a side arm and a computer component, one end of the crossbeam is connected with the middle part of the side arm to form a T-shaped structure, the other end of the crossbeam is provided with a first measuring component, the middle part of the side arm is provided with a second measuring component, the first measuring component and the second measuring component are simultaneously used for measuring the track gauge of the groove rail, during measurement, the first measuring component and the second measuring component are movably matched with the groove, the computer component is arranged on the crossbeam, the groove rail measuring instrument further comprises a prism component and a total station, the prism component is vertically and upwards arranged in the middle part of the crossbeam, the total station is erected on a roadbed between the two groove rails, during measurement, the total station and the prism assembly work in a matched mode, coordinate parameters of the prism assembly are obtained through measurement and fed back to the computer assembly, and the computer assembly calculates the coordinate parameters of the groove rail.

The groove track measuring instrument provided by the invention has the following beneficial effects:

the groove rail measuring instrument combines the equipment for measuring the coordinate with the equipment for measuring the rail gauge of the rail, can realize convenient and rapid measurement of geometric parameters such as the rail gauge, the coordinate and the like of the rail, can ensure that a beam is vertical to the rail because the side arm slides on the rail in parallel, can quickly and effectively realize the erection and the leveling of the prism component when the prism component is arranged on the beam, saves the tedious erection and the leveling work of manpower during the measurement, and avoids the measurement error caused by the influence of the manpower; and the crossbeam can realize sliding on the track through the movable cooperation of the first measuring component and the second measuring component with the groove, so that the prism component can be conveniently moved to different track test points without being disassembled, and coordinate measurement can be conveniently carried out on different track test points by cooperating with the work of the total station, thereby avoiding the repeated manual moving, erection and leveling work of the prism component when measuring different stations.

In addition, the groove track measuring instrument provided by the invention can also have the following additional technical characteristics:

further, the prism subassembly includes reflection prism, prism support, prism pole, connector, bottom plate and bedplate, reflection prism rotatable coupling is in the prism support is inboard, connector one end is pegged graft prism support bottom, and the other end is connected prism pole top, the bottom plate is connected prism pole bottom, the bottom plate bottom is connected with the bedplate, the bottom plate with the bedplate is installed through first bolt together on the girder.

Further, the connector includes column joint and pedestal that the integral type is connected, column joint screw thread connects prism support bottom, the pedestal lid in on the prism pole to through second bolted connection prism pole top, the pedestal bottom is connected with the connecting seat through the third bolt, connecting seat one end is pegged graft in the pedestal, the other end is located in the prism pole, the second bolt with the third bolt is hexagon socket head cap screw.

Furthermore, the bottom plate is connected with the bottom of the prism rod through a fourth bolt, a T-shaped hollow positioning ring is inserted in the middle of the bottom plate, the positioning ring is connected to the upper surface of the bottom plate through a fifth bolt, the upper end of the positioning ring is positioned in the prism rod, the fourth bolt and the fifth bolt are both hexagon socket bolts, the bottom plate is connected with the seat plate through a lock catch movable joint bolt, the lock catch swing bolt is inserted in the bottom plate and the seat plate, the upper end of the lock catch swing bolt is connected with a triangular nut, the lower end of the lock catch movable joint bolt is inserted with a cylindrical pin, the triangular nut is abutted against the top surface of the bottom plate, the two ends of the cylindrical pin are connected with the seat plate in an inserting mode, the middle of the top of the cylindrical pin is connected with a positioning block through a sixth bolt, and the upper end of the positioning block is connected in the middle of the positioning block in an inserting mode.

Further, during measurement, the total station sends an optical signal to the prism assembly, receives the optical signal reflected by the prism assembly, calculates a coordinate parameter of the reflection prism according to the optical signal reflected by the prism assembly, feeds the coordinate parameter of the reflection prism back to the computer assembly, and calculates the coordinate parameter of the groove track by the computer assembly in combination with the geometric parameter of the groove track measuring instrument.

Further, the first measuring assembly comprises a first restoring mechanism, a first traveling wheel and a first measuring wheel, a first displacement sensor is arranged on the first restoring mechanism, the first restoring mechanism is connected with the first traveling wheel, the first measuring wheel is connected with the first traveling wheel, the lowest end of the first measuring wheel is lower than the first traveling wheel, when the groove rail measuring instrument performs measurement, the first traveling wheel is in rolling fit with the upper surface of the groove rail, the first measuring wheel is located in the groove and in rolling fit with the inner wall of the groove, and the first displacement sensor is used for measuring the displacement of the first measuring wheel.

Further, the girder is hollow structure, is equipped with an angle sensor in the middle of inside, first resilience mechanism includes guide arm, sliding sleeve, baffle and spring, the baffle sets up inside the girder, the guide arm is on a parallel with the girder with the baffle is connected, the sliding sleeve cover is established on the guide arm, the spring sets up the sliding sleeve with between the baffle, the lower surface of girder is equipped with the spout, the sliding sleeve through run through the connecting table of spout with first walking wheel is connected, the connecting table with spout sliding fit.

Further, be equipped with the fork on the first walking wheel, the fork with first resilience mechanism connects, first measuring wheel includes shell and gyro wheel, first measuring wheel passes through the shell with the fork is connected, the gyro wheel with shell normal running fit, the shell is hollow structure, the dwang is connected to the gyro wheel, the dwang stretches into the shell inside and with the inner wall normal running fit of shell, the shell with be equipped with the bearing between the dwang.

Furthermore, both ends of side arm all are equipped with the second walking wheel, one of them be equipped with mileage sensor on the second walking wheel, second measuring component includes second power return mechanism and second measuring wheel, second power return mechanism with the second measuring wheel is connected, the second measuring wheel with the slot roll cooperation, be equipped with on the second power return mechanism and be used for measuring the second measuring wheel displacement volume's second displacement sensor.

Further, the computer component comprises a computer and a push rod, a handle and a support are arranged at the upper end of the push rod, the support is used for placing the computer, the lower end of the push rod is movably connected with the crossbeam through a connecting component, the connecting component comprises a rod sleeve, a limiting disc and a base, the limiting disc is arranged on the base, the limiting disc is of a semicircular disc-shaped structure, a plurality of limiting grooves are formed in the edge of the limiting disc, the rod sleeve is connected with the push rod, the rod sleeve is rotatably connected with the limiting disc through a rotating shaft, a limiting block is arranged inside the rod sleeve and is in clamping fit with the limiting grooves, an adjusting rod is arranged on the limiting block, a sliding groove which transversely penetrates is formed in the position of the adjusting rod sleeve, the adjusting rod is in sliding fit with the sliding groove, and the adjusting rod is used for adjusting the height of, the base is provided with a rotating disc, the rotating disc is rotatably connected with the base, a connecting column is arranged on the rotating disc and penetrates through the base, the rod sleeve is connected with the connecting column through the rotating shaft in a rotating mode, the edge of the rotating disc is uniformly provided with a clamping groove, a through hole is transversely formed in the side face of the base, a bolt is arranged in the through hole, and the bolt is used for being inserted into the clamping groove.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of a groove track measuring instrument according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an embodiment of a groove track measuring instrument;

FIG. 3 is a perspective view of a prism assembly according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a prism assembly according to an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of a first measurement assembly according to an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view of a first measuring wheel according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a side arm according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a putter in accordance with an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a connecting assembly according to an embodiment of the present invention;

FIG. 10 is a schematic cross-sectional view of a connection assembly along a retention disk according to an embodiment of the present invention;

FIG. 11 is a cross-sectional view of a connector assembly along a plug according to an embodiment of the present invention.

Reference numerals: 1-girder, 11-first measuring component, 111-first traveling wheel, 112-first measuring wheel, 1121-housing, 1122-roller, 1123-rotating rod, 1124-bearing, 113-wheel fork, 12-first restoring mechanism, 121-sliding sleeve, 122-guide rod, 123-spring, 124-baffle, 125-connecting plate, 126-sliding groove, 2-side arm, 21-second measuring component, 22-second traveling wheel, 3-push rod, 31-handle, 32-bracket, 33-connecting component, 331-rod sleeve, 3311-seventh bolt, 332-limiting disc, 3321-limiting groove, 333-base, 334-bolt, 335-rotating shaft, 336-limiting block, 337-rotating disc, 3371-clamping groove, 3372-connecting column, 4-computer, 5-grooved rail, 51-groove, 6-prism assembly, 61-reflecting prism, 62-prism support, 63-prism rod, 64-connector, 65-connecting seat, 66-bottom plate, 67-seat plate, 68-positioning ring, 69-locking swing bolt, 610-triangular nut, 611-positioning block.

Detailed Description

In order to make the objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Referring to fig. 1 to 11, an embodiment of the present invention provides a groove rail measuring instrument, which is used for measuring geometric parameters of a groove rail 5, where the groove rail 5 is a rail of a tramcar, a groove 51 is disposed on the groove rail 5, the groove rail measuring instrument includes a girder 1, a side arm 2, and a computer component, one end of the girder 1 is connected to a middle portion of the side arm 2 to form a T-shaped structure, the other end of the girder 1 is provided with a first measuring component 11, the middle portion of the side arm 2 is provided with a second measuring component 21, the first measuring component 11 and the second measuring component 21 are both used for measuring a track pitch of the groove rail 5, and during measurement, the first measuring component 11 and the second measuring component 21 are both movably matched with the groove 51, and the computer component is mounted on the girder 1.

The crossbeam 1 and the side arms 2 form a T-shaped structure, during measurement, the crossbeam 1 vertically crosses the rail, the side arms 2 are parallel and arranged on the rail, and when the whole groove rail measuring instrument is pushed to slide on the rail, the crossbeam 1 can be continuously kept vertical to the rail; the first measuring component 11 and the second measuring component 21 are in rolling fit in a moving fit mode, and the first measuring component 11, the second measuring component 21 and the groove 51 are in moving fit, so that the track detector can be suitable for the whole groove rail 5, and different measuring points can be selected conveniently.

The grooved rail measuring instrument further comprises a prism assembly 6 and a total station, wherein the prism assembly 6 is vertically installed upwards in the middle of the girder 1, the total station is erected on a roadbed in the middle of the grooved rail 5, and during measurement, the total station and the prism assembly 6 work in a matched mode to obtain coordinate parameters of the prism assembly 6 through measurement and feed back the coordinate parameters to the computer assembly, and the computer assembly calculates the coordinate parameters of the grooved rail 5.

The total station is TS60, and the working range is generally within two hundred meters.

During measurement, the total station sends an optical signal to the prism assembly 6, receives the optical signal reflected by the prism assembly 6, calculates a coordinate parameter of the reflecting prism 61 according to the optical signal reflected by the prism assembly 6, feeds the coordinate parameter of the reflecting prism 61 back to the computer assembly, and calculates the coordinate parameter of the groove rail 5 by the computer assembly in combination with the geometric parameter of the groove rail track measuring instrument.

The geometric parameters of the groove track comprise track gauge, coordinates, level (super height), triangular pits, track gauge change rate, left and right track directions, left and right heights, vector and mileage.

Prism subassembly 6 includes reflection prism 61, prism support 62, prism pole 63, connector 64, bottom plate 66 and bedplate 67, reflection prism 61 rotatable coupling is in prism support 62 is inboard, connector 64 one end is pegged graft prism support 62 bottom, the other end is connected prism pole 63 top, bottom plate 66 connects prism pole 63 bottom, bottom plate 66 bottom is connected with bedplate 67.

The bottom plate 66 and the seat plate 67 are mounted together on the girder 1 by a first bolt. The base plate 66 with the bedplate 67 with adopt the connected mode of bolt will between the girder 1 prism subassembly 6 installs on the girder 1, simple to operate, connection are firm, reliable.

Connector 64 includes the column joint and the pedestal that the integral type is connected, the column connects the screw thread to twist and connects prism support 62 bottom, the pedestal lid in on the prism pole 63 to through six second bolted connection prism pole 63 top, six the second bolt is the circumference and distributes, there is connecting seat 65, four pedestal bottom through four third bolted connection the third bolt is the circumference and distributes, connecting seat 65 one end is pegged graft in the pedestal, the other end is located in the prism pole 63, the second bolt with the third bolt is hexagon socket head cap screw.

Because outdoor environment, reflection prism 61 appears colliding with easily, phenomenon such as wearing and tearing, and during the measurement, in order to guarantee measurement accuracy, higher to the requirement of lens, will column joint screw thread connects prism support 62 bottom, can make things convenient for reflection prism 61's change and save.

The bottom plate 66 is connected in prism pole 63 bottom through six fourth bolted connection, six the fourth bolt is the circumference and distributes, it has a hollow holding ring 68 of T font to peg graft in the middle part of bottom plate 66, holding ring 68 is in through four fifth bolted connection bottom plate 66 upper surface, four the fifth bolt is the circumference and distributes, the upper end of holding ring 68 is located in prism pole 63, the fourth bolt with the fifth bolt is hexagon socket head cap screw. The positioning ring 68 is arranged in a T shape and is hollow, which can be used for connecting and positioning the base plate 66 and the prism rod 63, and can also be used for connecting and positioning the base plate 66 and the base plate 67 conveniently.

The base plate 66 is connected with the seat plate 67 through a lock joint bolt 69, the lock joint bolt 69 is inserted into the base plate 66 and the seat plate 67, the upper end of the lock joint bolt is connected with a triangular nut 610, the lower end of the lock joint bolt is inserted with a cylindrical pin, the triangular nut 610 abuts against the top surface of the base plate 66, two ends of the cylindrical pin are inserted into the seat plate 67, the middle of the top of the base plate is connected with a positioning block 611 through a sixth bolt, the upper end of the positioning block 611 is inserted into the middle of the positioning ring 68, and the positioning block 611 is used for connecting and positioning the seat plate 67 and the base plate 66.

The bedplate 67 stack is connected bottom 66 the bottom plate can be right bottom 66 plays the reinforcing effect, the reinforcing prism subassembly 6's steadiness, hasp swing bolt 69 can be convenient bottom 66 with the dismantled firm connection of bedplate 67 can be hidden again inside bedplate 67, makes bedplate 67 bottom is leveled no arch, guarantees prism subassembly 6's flattening effect.

The first measuring assembly 11 includes a first restoring mechanism 12, a first traveling wheel 111, and a first measuring wheel 112, wherein a first displacement sensor is disposed on the first restoring mechanism 12, the first restoring mechanism 12 is connected to the first traveling wheel 111, the first measuring wheel 112 is connected to the first traveling wheel 111, a lowest end of the first measuring wheel 112 is lower than the first traveling wheel 111, when the measurement is performed by the slot track measuring instrument, the first traveling wheel 111 is in rolling fit with an upper surface of the slot 5, the first measuring wheel 112 is located in the slot 51 and in rolling fit with an inner wall of the slot 51, and the first displacement sensor is configured to measure a displacement of the first measuring wheel 112.

It should be noted that the first traveling wheel 111 is used for the grooved rail track detector to slide on the track, the first measuring wheel 112 can be fit to the groove 51 to roll, when the track gauge changes, the first traveling wheel 111 and the first measuring wheel 112 will be displaced simultaneously, and the displacement sensor will detect and record the displacement.

Girder 1 is hollow structure, is equipped with an angle sensor in the middle of inside, angle sensor is used for the perception to control the difference in height between the rail.

The first restoring mechanism 12 comprises a guide rod 122, a sliding sleeve 121, a baffle 124 and a spring 123, the baffle 124 is arranged inside the girder 1, the guide rod 122 is parallel to the girder 1 and is connected with the baffle 124, the sliding sleeve 121 is sleeved on the guide rod 122, the spring 123 is arranged between the sliding sleeve 121 and the baffle 124, a sliding groove 126 is arranged on the lower surface of the girder 1, the sliding sleeve 121 is connected with the first traveling wheel 111 through a connecting table penetrating through the sliding groove 126, and the connecting table is in sliding fit with the sliding groove 126.

When the first measuring wheel 112 displaces, the connecting plate 125 slides on the sliding groove 126, and the first restoring mechanism 12 is arranged inside the girder 1, is less prone to damage than the existing devices arranged outside, and has a longer service life.

The first traveling wheel 111 is provided with a fork 113, the fork 113 is connected to the first restoring mechanism 12, the first measuring wheel 112 includes a housing 1121 and a roller 1122, the first measuring wheel 112 is connected to the fork 113 through the housing 1121, and the roller 1122 is rotatably engaged with the housing 1121.

The first measuring wheel 112 is disposed on the surface of the fork 113, and the fork 113 is not changed or displaced by the rotation of the first running wheel 111, so that the first measuring wheel 112 and the first running wheel 111 are prevented from being affected by each other.

The housing 1121 is a hollow structure, the roller 1122 is connected to a rotating rod 1123, the rotating rod 1123 extends into the housing 1121 and is in rotating fit with the inner wall of the housing 1121, a bearing 1124 is arranged between the housing 1121 and the rotating rod 1123, and other structures for reducing frictional resistance may not be adopted.

And second travelling wheels 22 are arranged at two ends of the side arm 2, and one of the second travelling wheels 22 is provided with a mileage sensor.

The second measuring assembly 21 includes a second return mechanism and a second measuring wheel, the second return mechanism is connected to the second measuring wheel, the second measuring wheel is in rolling fit with the groove 51, a second displacement sensor for measuring a displacement of the second measuring wheel is arranged on the second return mechanism, the second return mechanism has the same structure as the first return mechanism 12, the second measuring wheel has the same structure as the first measuring wheel 112, and the second measuring wheel is connected to the sliding sleeve 121 of the second return mechanism. The second return mechanism may also adopt any other resettable structure, and the second measuring wheel may also adopt a conventional roller 1122, as long as the second measuring wheel is located in the groove 51 and is in rolling fit with the groove 51.

The computer assembly comprises a computer 4 and a push rod 3, a handle 31 and a support 32 are arranged at the upper end of the push rod 3, the grooved rail measuring instrument can be pushed by holding the handle 31, the support 32 is used for placing the computer 4, and the lower end of the push rod 3 is movably connected with the girder 1 through a connecting assembly 33.

Coupling assembling 33 includes rod cover 331, spacing dish 332 and base 333, spacing dish 332 sets up on the base 333, spacing dish 332 is semicircular disc structure, and its edge is equipped with a plurality of spacing grooves 3321, rod cover 331 with push rod 3 is connected, rod cover 331 through pivot 335 with spacing dish 332 rotates and connects, the inside stopper 336 that is equipped with of rod cover 331, stopper 336 with spacing groove 3321 joint cooperation, be equipped with the regulation pole on the stopper 336, rod cover 331 is located adjust pole department and be equipped with horizontal spout 126 that runs through, adjust the pole with spout 126 sliding fit, it is used for adjusting to adjust the pole the height of stopper 336.

A seventh bolt 3311 may be further provided on the lever sleeve 331 near the stopper 336, and the position of the stopper 336 may be positioned when the seventh bolt 3311 is screwed in.

Because the rod sleeve 331 is rotationally connected with the limiting disc 332, the limiting block 336 and the limiting groove 3321 can fix the relative position between the rod sleeve 331 and the limiting disc 332, so that the push rod 3 can rotate in the longitudinal direction and can be fixed at a certain angle.

Be equipped with the rolling disc 337 on the base 333, the rolling disc 337 with the base 333 rotates and is connected, be equipped with the spliced pole 3372 on the rolling disc 337, the spliced pole 3372 runs through the base 333 sets up, the pole cover 331 passes through pivot 335 with the spliced pole 3372 rotates and is connected, the edge of rolling disc 337 evenly is equipped with draw-in groove 3371, the side of base 333 transversely is equipped with the through-hole, be equipped with bolt 334 in the through-hole, bolt 334 is used for inserting in the draw-in groove 3371.

When the plug pin 334 is inserted into the slot 3371, the position of the rod sleeve 331 around the rotating disc 337 is fixed, and when the plug pin 334 is pulled out, the rod sleeve 331 can rotate around the rotating disc 337, and the push rod 3 can rotate transversely around the rotating disc 337.

Through the structure, the push rod 3 can be adjusted to any position above the grooved rail track measuring instrument, so that the grooved rail track measuring instrument can be suitable for various situations.

The working principle is as follows: when measuring the coordinates of the grooved rail, the assembled grooved rail measuring instrument is erected at the position to be measured of the rail, the total station is erected on a roadbed between the two rails, the position coordinates of the total station are measured by the total station, the total station is matched with the reflecting prism to work to measure the coordinate values of the reflecting prism, and the coordinate values of the reflecting prism are combined with the geometric parameters of the grooved rail measuring instrument and are calculated by the computer 4 to obtain the coordinate parameters of the rail.

In conclusion, the groove rail measuring instrument provided by the invention has the beneficial effects that: the groove rail measuring instrument combines the equipment for measuring coordinates with the equipment for measuring the rail gauge of the rail, can realize convenient and rapid measurement of geometric parameters such as the rail gauge, the coordinates and the like of the rail, can ensure that the beam 1 is vertical to the rail because the side arm 2 slides on the rail in parallel with the rail during measurement, can quickly and effectively realize the erection and the leveling of the prism assembly 6 when the prism assembly 6 is arranged on the beam 1, saves the tedious erection and leveling work of manpower during measurement, and avoids the measurement error caused by the influence of the manpower; and the crossbeam 1 can realize sliding on the track through the movable cooperation of the first measuring component 11 and the second measuring component 21 with the groove 51, so that the prism component 6 can be conveniently moved to different track test points without being disassembled, and coordinate measurement can be conveniently carried out on different track test points through the work of the total station, thereby avoiding the repeated manual moving, erecting and leveling work of the prism component 6 when measuring different sites.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A groove rail measuring instrument is used for measuring geometric parameters of a groove rail, a groove is arranged on the groove rail, the groove rail measuring instrument comprises a girder, a side arm and a computer component, one end of the girder is connected with the middle of the side arm to form a T-shaped structure, the other end of the girder is provided with a first measuring component, the middle of the side arm is provided with a second measuring component, the first measuring component and the second measuring component are simultaneously used for measuring the track distance of the groove rail, during measurement, the first measuring component and the second measuring component are both in movable fit with the groove, the computer component is arranged on the girder, the groove rail measuring instrument is characterized by further comprising a prism component and a total station, the prism component is vertically upwards arranged at the middle of the girder, the total station is erected on a roadbed in the middle of the two groove rails, during measurement, the total station and the prism assembly work in a matched mode, coordinate parameters of the prism assembly are obtained through measurement and fed back to the computer assembly, and the computer assembly calculates the coordinate parameters of the groove rail.

2. The groove track measuring instrument according to claim 1, wherein the prism assembly comprises a reflection prism, a prism support, a prism rod, a connector, a bottom plate and a seat plate, the reflection prism is rotatably connected to the inner side of the prism support, one end of the connector is inserted into the bottom of the prism support, the other end of the connector is connected to the top of the prism rod, the bottom plate is connected to the bottom of the prism rod, the bottom plate is connected to the seat plate, and the bottom plate and the seat plate are installed on the beam together through a first bolt.

3. The grooved rail measuring instrument according to claim 2, wherein the connector comprises a cylindrical connector and a pedestal, the cylindrical connector and the pedestal are integrally connected, the cylindrical connector is screwed on the bottom of the prism support, the pedestal covers the prism rod and is connected to the top of the prism rod through a second bolt, the bottom of the pedestal is connected with the connecting seat through a third bolt, one end of the connecting seat is inserted into the pedestal, the other end of the connecting seat is located in the prism rod, and the second bolt and the third bolt are both hexagon socket head bolts.

4. The groove track measuring instrument according to claim 2, wherein the base plate is connected to the bottom of the prism rod by a fourth bolt, a T-shaped hollow positioning ring is inserted into the middle of the base plate, the positioning ring is connected to the upper surface of the base plate by a fifth bolt, the upper end of the positioning ring is located in the prism rod, the fourth bolt and the fifth bolt are both hexagon socket bolts, the base plate is connected to the base plate by a locking eye bolt, the locking eye bolt is inserted into the base plate and the base plate, the upper end of the locking eye bolt is connected to a triangle nut, the lower end of the locking eye bolt is inserted to a cylindrical pin, the triangle nut abuts against the top surface of the base plate, both ends of the cylindrical pin are inserted into the base plate, and a positioning block is connected to the middle of the top part by a sixth bolt, the upper end of the positioning block is inserted in the middle of the positioning ring.

5. The groove track measuring instrument according to claim 1, wherein said total station sends an optical signal to said prism assembly and receives an optical signal reflected by said prism assembly during measurement, a coordinate parameter of said reflecting prism is calculated from the optical signal reflected by said prism assembly, the coordinate parameter of said reflecting prism is fed back to said computer assembly, and the coordinate parameter of said groove track is calculated by said computer assembly in combination with the geometric parameter of said groove track measuring instrument.

6. The grooved rail track measuring instrument according to claim 1, wherein the first measuring assembly includes a first restoring mechanism, a first traveling wheel, and a first measuring wheel, the first restoring mechanism is provided with a first displacement sensor, the first restoring mechanism is connected to the first traveling wheel, the first measuring wheel is connected to the first traveling wheel, a lowermost end of the first measuring wheel is lower than the first traveling wheel, when the grooved rail track measuring instrument performs measurement, the first traveling wheel is in rolling engagement with an upper surface of the grooved rail, the first measuring wheel is located in the groove and in rolling engagement with an inner wall of the groove, and the first displacement sensor is configured to measure a displacement of the first measuring wheel.

7. The groove rail track measuring instrument according to claim 6, wherein the girder is a hollow structure, an angle sensor is arranged in the middle of the girder, the first restoring mechanism comprises a guide rod, a sliding sleeve, a baffle plate and a spring, the baffle plate is arranged in the girder, the guide rod is parallel to the girder and is connected with the baffle plate, the sliding sleeve is sleeved on the guide rod, the spring is arranged between the sliding sleeve and the baffle plate, a sliding groove is arranged on the lower surface of the girder, the sliding sleeve is connected with the first traveling wheel through a connecting table penetrating through the sliding groove, and the connecting table is in sliding fit with the sliding groove.

8. The grooved rail track measuring instrument according to claim 6, wherein a fork is provided on the first traveling wheel, the fork is connected to the first restoring mechanism, the first measuring wheel includes a housing and a roller, the first measuring wheel is connected to the fork through the housing, the roller is rotationally engaged with the housing, the housing is of a hollow structure, the roller is connected to a rotating rod, the rotating rod extends into the housing and is rotationally engaged with an inner wall of the housing, and a bearing is provided between the housing and the rotating rod.

9. The grooved rail track measuring instrument according to claim 7, wherein second traveling wheels are provided at both ends of the side arm, one of the second traveling wheels is provided with a mileage sensor, the second measuring assembly comprises a second return mechanism and a second measuring wheel, the second return mechanism is connected with the second measuring wheel, the second measuring wheel is in rolling fit with the groove, and a second displacement sensor for measuring displacement of the second measuring wheel is provided on the second return mechanism.

10. The grooved rail measuring instrument according to claim 1, wherein the computer assembly comprises a computer and a push rod, a handle and a bracket are disposed at an upper end of the push rod, the bracket is used for placing the computer, a lower end of the push rod is movably connected with the girder through a connecting assembly, the connecting assembly comprises a rod sleeve, a limiting disc and a base, the limiting disc is disposed on the base, the limiting disc is of a semicircular disc-shaped structure, a plurality of limiting grooves are disposed at an edge of the limiting disc, the rod sleeve is connected with the push rod, the rod sleeve is rotatably connected with the limiting disc through a rotating shaft, a limiting block is disposed inside the rod sleeve, the limiting block is in clamping fit with the limiting grooves, an adjusting rod is disposed on the limiting block, a transversely penetrating sliding groove is disposed at the position of the adjusting rod sleeve, and the adjusting rod is in sliding fit with the sliding groove, the adjusting rod is used for adjusting the height of the limiting block, a rotating disc is arranged on the base and is connected with the base in a rotating mode, a connecting column is arranged on the rotating disc and runs through the base, the rod sleeve passes through the rotating shaft and is connected with the connecting column in a rotating mode, a clamping groove is evenly formed in the edge of the rotating disc, a through hole is transversely formed in the side face of the base, a bolt is arranged in the through hole, and the bolt is used for being inserted into the clamping groove.