CN117968608A - Subway evacuation platform installation positioning measuring instrument - Google Patents
Subway evacuation platform installation positioning measuring instrument Download PDFInfo
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- CN117968608A CN117968608A CN202410383427.8A CN202410383427A CN117968608A CN 117968608 A CN117968608 A CN 117968608A CN 202410383427 A CN202410383427 A CN 202410383427A CN 117968608 A CN117968608 A CN 117968608A
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- 238000009434 installation Methods 0.000 title claims description 18
- 239000010410 layer Substances 0.000 claims description 44
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 238000000926 separation method Methods 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 9
- 239000011229 interlayer Substances 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The application discloses a subway evacuation platform mounting and positioning measuring instrument, which relates to the technical field of measuring equipment and comprises a vehicle body capable of walking on a track tread, a lifting part is mounted on the vehicle body, a laser measuring instrument is mounted at the top of the lifting part, the subway evacuation platform mounting and positioning measuring instrument further comprises a ranging part, the ranging part comprises a ranging shell, a movable seat, a measuring wheel, an encoder, a sliding column and a lifting rod, annular grooves are formed in two sides of the measuring wheel, rubber layers are fixed on two sides of the measuring wheel, the rubber layers are of annular structures, the rubber layers on the same side can cover the annular grooves, deformation caused by the rubber layers can be caused, sundries are prevented from blocking gaps between the measuring wheel and the movable seat, the measuring wheel is blocked, further, the vehicle body walking displacement calculated by the encoder is influenced, a measuring error is formed, the mounting precision of the subway evacuation platform is influenced, the rotating stability of the measuring wheel is finally increased, the measuring precision is guaranteed, the adaptability and the reliability of the ranging part are improved, and the smooth running of a track detection operation is also guaranteed.
Description
Technical Field
The invention relates to the technical field of measuring equipment, in particular to a subway evacuation platform installation positioning measuring instrument.
Background
The subway station is dense, so that a subway train can be rapidly evacuated when accidents happen in the running process of the subway station in a tunnel, and therefore it is very important to construct an evacuation platform in the subway tunnel, the subway evacuation platform is positioned above a track, and passengers can be safely evacuated in the tunnel without accidents when the train suddenly stops. In the subway construction process, the evacuation platform installation is gradually divided into track construction standard sections, however, the evacuation platform installation is different from the track installation, the evacuation platform is based on the track, a certain height value is required from the track surface of the evacuation platform, and passengers can walk conveniently when entering and exiting a train; in addition, the outer edge of the subway evacuation platform is a certain distance away from the center of the rail, so that the evacuation platform is prevented from being inclined and limited, and the driving safety is ensured. The relative elevation of the subway evacuation platform and the rail center is 850mm, the relative elevation error is +/-10 mm, the distance between the edge of the evacuation platform and the rail center is 1600mm, and the distance error between the edge of the evacuation platform and the rail center is-0 to +50mm. Therefore, the subway evacuation platform has higher installation accuracy requirement, and if the subway evacuation platform is not in accordance with the installation requirement of the evacuation platform, the driving safety is directly affected. Therefore, a subway evacuation platform installation positioning measuring instrument with simple structure, reasonable design and convenient operation is needed at present, positioning measurement work before and during installation of the subway evacuation platform on a construction site is completed, and subway evacuation platform installation accuracy is improved.
The Chinese patent with the bulletin number of CN107830807B discloses a subway evacuation platform installation positioning measuring instrument, which comprises a vehicle body device, a measuring device and a data acquisition device, wherein the vehicle body device comprises a vehicle body seat, a hand pushing mechanism and a traveling mechanism, a lifting mechanism and an angle adjusting mechanism are arranged on the vehicle body seat, the measuring device comprises a laser measuring instrument, an angle measuring instrument, a track gauge sensor and an encoder, one end of the vehicle body seat is provided with a fixed roller and encoder wheel measuring mechanism, the other end of the vehicle body seat is provided with a movable roller mechanism, the movable roller mechanism comprises a movable roller component and a movable roller adjusting mechanism, the vehicle body seat is provided with a movable roller adjusting handle, and the data acquisition device comprises a controller and a data memory connected with the controller.
However, when the evacuation platform is installed in the subway station, various sundries such as metal chips, stone oil stains and the like are carried on the subway rail, if the device in the prior art is adopted to move on the rail, the sundries may be clamped in the gap between the measuring wheel and the encoder seat, the clamping of the sundries may be increased along with the movement of the device, the rotation of the measuring wheel and the encoder may be unsmooth or even blocked, the travel detection of the movement of the device is affected, the measurement error may be caused, and the installation precision of the evacuation platform is affected.
Disclosure of Invention
The embodiment of the application solves the problems that impurities can be clamped in a gap between a measuring wheel and an encoder seat in the prior art, so that the measuring wheel and the encoder rotate unsmoothly or even are blocked, and then the travel detection of the device movement is affected.
The embodiment of the application provides a subway evacuation platform mounting and positioning measuring instrument, which comprises a vehicle body capable of walking on a track tread, wherein a lifting part is arranged on the vehicle body, a laser measuring instrument is arranged at the top of the lifting part, a pushing rod for pushing the vehicle body to move is arranged at one side of the vehicle body, the subway evacuation platform mounting and positioning measuring instrument further comprises a ranging part, the ranging part comprises a ranging shell, a moving seat, a measuring wheel, an encoder, a sliding column and a lifting rod, the ranging shell is fixedly arranged at one side of the vehicle body, the ranging shell is provided with a mounting groove with an opening facing downwards, the moving seat is slidingly connected in the mounting groove, the measuring wheel is rotationally connected inside the moving seat, the encoder is rotationally connected at one side, close to the vehicle body, the measuring wheel and the encoder are coaxially and fixedly connected through a connecting shaft, annular grooves are formed in two sides of the measuring wheel, rubber layers are fixedly arranged at two sides of the measuring wheel, and the rubber layers at the same side can cover the annular grooves.
Further, each rubber layer is installed on one side close to the annular groove, iron powder is filled in the suction bags, a magnet block is installed on one side of the movable seat close to the measuring wheel, the magnet block is semicircular, the magnet block is coaxial with the measuring wheel, the magnet block can generate magnetic attraction to the iron powder in the suction bags, and the rubber layer is driven to deform through magnetic force and is attached to the magnet block.
Further, the suction bags are divided into two groups, and the two groups of suction bags are symmetrical by taking the center of the measuring wheel as the center of the shaft.
Further, the extension line of the length center line of each group of suction bags passes through the center of the measuring wheel, and the lengths of a plurality of suction bags in the same group gradually increase in the clockwise direction, when a plurality of suction bags in the same group are attracted by the magnetic force of the magnet block, the suction bags in the group can gradually increase the deformation degree of the rubber layer in the clockwise direction.
Further, two adjacent suction bags in the same group, wherein the length of one suction bag is 1.2-1.4 times of the length of the other suction bag.
Further, each suction bag is internally provided with a separation soft film, the separation soft film divides the space in the suction bag into a plurality of separation layers, and the separation soft film can prevent iron powder in the suction bag from being accumulated under the influence of gravity.
Further, in the same suction bag, the interlayer closer to the center of the measuring wheel is filled with less iron powder.
Further, the iron powder filling amounts in the interlayer of the suction bags at the same circumference position are the same.
Further, sliding column and range finding shell fixed connection, and remove seat and sliding column sliding connection, sliding column bottom still is fixed with the stopper that the restriction removed the seat and break away from the sliding column, and the height of sliding column is the same with the height of mounting groove, removes the seat top and installs the lifting rod, and lifting rod upwards extends and runs through the range finding shell, still the cover is equipped with pressure spring on the sliding column, and pressure spring is located and removes the seat upside, and lifting rod top rotation is connected with the restriction pole, and when lifting rod and restriction pole were in vertical state, can drive to remove the seat through pressure spring elasticity and move downwards, makes the contact track tread of measuring wheel, and when lifting rod and restriction pole were in vertical state, the lifting rod can overcome pressure spring elasticity, makes the measuring wheel keep away from track tread.
Further, still install power, first display screen, controller and gauge sensor on the automobile body, still install the second display screen and be used for detecting lifting element inclination's angle measurement appearance on the lifting element, the power is controller, first display screen and second display screen power supply, the signal that ranging element, laser measuring instrument, gauge sensor acute angle measurement appearance measured all transmits to the controller, is shown by first display screen and second display screen after handling through the controller.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
Firstly, deformation generated by the rubber layer can prevent sundries from blocking a gap between the measuring wheel and the movable seat, so that the measuring wheel is blocked, further, the running displacement of the vehicle body calculated by the encoder is influenced, a measurement error is formed, the installation precision of the evacuation platform is influenced, the rotation stability of the measuring wheel is finally increased, the measurement precision is ensured, the adaptability and the reliability of a distance measuring component are improved, and the smooth running of track detection operation is also ensured;
According to the invention, through the magnetic attraction effect of the attraction bag and the magnet block, the rubber layer is tightly attached to the inner wall of the movable seat, so that an effective barrier is formed, the possibility that sundries are clamped into gaps is reduced, the occurrence of sundry interference and jamming is reduced, the reading of the encoder is more accurate and reliable, more accurate data support is provided for track detection, and the maintenance cost and the manual intervention requirement are reduced.
Thirdly, the measuring wheel can be matched with the movable seat to work more stably in the rotating process, so that the phenomenon of blocking or shaking caused by sundry interference is reduced, and the friction force between the rubber layer and the magnet block is reduced. The energy loss is reduced, the service life of the wheel measuring mechanism is prolonged, and the self-cleaning capacity in the movable seat is improved;
Fourth, the invention makes the distribution of iron powder in each suction bag more uniform through the arrangement of the separation soft film, avoids the iron powder accumulation from influencing the deformation of the rubber layer, reduces the discharging efficiency of sundries, and reduces the magnetic attraction of the suction bag near the circle center of the measuring wheel on the premise of not influencing the deformation shape of the rubber layer by changing the distribution of the iron powder in the suction bag, thereby reducing the friction force to be overcome when the measuring wheel rotates, and further optimizing the distance measurement precision.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a first working state structure of the distance measuring device of the present invention;
FIG. 3 is a schematic view of a second working state structure of the distance measuring device of the present invention;
FIG. 4 is a schematic diagram illustrating an internal structure of a wheel according to a first embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating an internal structure of a wheel according to a second embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating an internal structure of a movable seat according to a second embodiment of the present invention;
FIG. 7 is a schematic diagram showing the deformation degree of a rubber layer after the suction bladder is magnetically attracted in the second embodiment of the present invention;
FIG. 8 is a schematic diagram illustrating an internal structure of a wheel according to a third embodiment of the present invention;
FIG. 9 is a schematic diagram showing the deformation degree of a rubber layer after the suction bladder is magnetically attracted in the third embodiment of the present invention;
fig. 10 is a schematic view showing the internal structure of the suction bag according to the fourth embodiment of the present invention.
In the figure: 100. a vehicle body; 110. a lifting member; 120. a laser measuring instrument; 130. a push rod; 200. a distance measuring part; 210. a ranging shell; 220. a movable seat; 221. a magnet block; 230. a measuring wheel; 231. an annular groove; 232. a rubber layer; 233. a suction bag; 234. separating the soft film; 235. an interlayer; 240. an encoder; 250. a sliding column; 251. a lifting rod; 252. a pressure spring; 253. and a restraining bar.
Detailed Description
In order that the application may be readily understood, a more complete description of the application will be rendered by reference to the appended drawings; the preferred embodiments of the present application are illustrated in the drawings, but the present application can be embodied in many different forms and is not limited to the embodiments described herein; rather, these embodiments are provided so that this disclosure will be thorough and complete.
It should be noted that the terms "vertical", "horizontal", "upper", "lower", "left", "right", and the like are used herein for illustrative purposes only and do not represent the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Example 1
As shown in fig. 1-4, the embodiment of the application provides a subway evacuation platform mounting positioning measuring instrument, which comprises a vehicle body 100 capable of walking on a track tread, wherein a lifting component 110 is mounted on the vehicle body 100, the lifting component 110 is a telescopic column with a controllable length, which is not more than described in the prior art, a laser measuring instrument 120 is mounted at the top of the lifting component 110, a pushing rod 130 for pushing the vehicle body 100 to move is mounted on one side of the vehicle body 100, the subway evacuation platform mounting positioning measuring instrument further comprises a ranging component 200, the ranging component 200 comprises a ranging shell 210, a moving seat 220, a measuring wheel 230, an encoder 240, a sliding column 250 and a lifting rod 251, the ranging shell 210 is fixedly mounted on one side of the vehicle body 100, the ranging shell 210 is provided with a mounting groove which is opened downwards, the moving seat 220 is slidably connected in the mounting groove, the measuring wheel 230 is rotatably connected in the moving seat 220, the encoder 240 is rotatably connected on one side of the moving seat 220 close to the vehicle body 100, the measuring wheel 230 is coaxially and fixedly connected with the encoder 240 through a connecting shaft, both sides of the measuring wheel 230 are provided with 231, both sides of the measuring wheel 230 are fixedly provided with rubber layers 232, and the rubber layers 232 are provided with annular grooves 232.
Preferably, the sliding column 250 is fixedly connected with the ranging shell 210, the moving seat 220 is slidably connected with the sliding column 250, a limiting block for limiting the moving seat 220 to be separated from the sliding column 250 is also fixed at the bottom of the sliding column 250, the height of the sliding column 250 is the same as that of the mounting groove, a lifting rod 251 is mounted at the top of the moving seat 220, the lifting rod 251 extends upwards and penetrates through the ranging shell 210, a pressure spring 252 is further sleeved on the sliding column 250, the pressure spring 252 is positioned at the upper side of the moving seat 220, a limiting rod 253 is rotatably connected at the top of the lifting rod 251, when the lifting rod 251 and the limiting rod 253 are in a vertical state, the pressure spring 252 can drive the moving seat 220 to move downwards, so that the measuring wheel 230 contacts with the track tread, and when the lifting rod 251 and the limiting rod 253 are in a vertical state, the lifting rod 251 can overcome the elastic force of the pressure spring 252, so that the measuring wheel 230 is far away from the track tread.
Preferably, the vehicle body 100 is further provided with a power supply, a first display screen, a controller and a track gauge sensor (not shown in the figure), the lifting component 110 is further provided with a second display screen and an angle measuring instrument for detecting the inclination angle of the lifting component 110, the power supply supplies power to the controller, the first display screen and the second display screen, and signals measured by the distance measuring component 200, the laser measuring instrument 120 and the track gauge sensor acute angle measuring instrument are transmitted to the controller and are displayed by the first display screen and the second display screen after being processed by the controller.
The vehicle body 100 is pushed to move on the track by the pushing rod 130, the height and the inclination angle of the lifting component 110 are adjusted in advance, the distance between the track center and the tunnel wall is measured by the laser measuring instrument 120, the measured distance between the track center and the tunnel wall is sent to the controller, the controller stores the received distance between the track center and the tunnel wall in the data memory, the distance between the track center and the tunnel wall is automatically recorded and stored, the distance between the track center and the tunnel wall can be exported and inquired, the processing size of a subway evacuation platform walking plate is obtained after the distance between the track center and the tunnel wall is processed, the vehicle body 100 moves on the track, at the moment, when the pulling rod and the limiting rod 253 are in a vertical state, the moving seat 220 can be driven to move downwards by the elasticity of the pressure spring 252, the measuring wheel 230 is enabled to contact the track tread, the encoder 240 is driven to rotate by the synchronous rotation of the measuring wheel 230, the walking displacement of the vehicle body 100 is measured by the encoder 240, the measured walking displacement is sent to the controller, and the track gauge detected by the track gauge sensor, the track gauge sensor can be adjusted in an accurate manner when the subway evacuation platform is installed, and the subway evacuation platform is not easy to install.
When the measuring wheel 230 rotates, since the rubber layer 232 is mounted on the measuring side wall, if sundries exist on the track, the elastic rubber layer 232 is matched with the annular groove 231, so that the rubber layer 232 can deform to a certain extent, the sundries are prevented from blocking a gap between the measuring wheel 230 and the movable seat 220, the measuring wheel 230 is blocked, further, the running displacement of the vehicle body 100 calculated by the encoder 240 is influenced, a measuring error is formed, and the installation accuracy of the evacuation platform is influenced.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:
Deformation that can produce through rubber layer 232 avoids debris to block up at the gap of measuring wheel 230 and movable seat 220, causes measuring wheel 230 card to die, and then influences the automobile body 100 walking displacement that encoder 240 calculated, forms measuring error, influences evacuation platform's installation accuracy, and finally increases measuring wheel 230 rotatory stability, guarantees measuring accuracy, has improved the adaptability and the reliability of range finding part 200, has also guaranteed going on smoothly of track detection operation.
Example two
Since the above-mentioned scheme avoids the sundries from being clamped between the measuring wheel 230 and the movable seat 220 by arranging the rubber layer 232, if the volume of the sundries is small, the sundries may enter the movable seat 220 through the gap between the measuring wheel 230 and the movable seat 220, and as the vehicle body 100 moves, the sundries with small volume may accumulate more and more, which affects the rotation of the measuring wheel 230 and affects the ranging result of the encoder 240, in order to solve the above-mentioned problems, as shown in fig. 5-7, a further improvement is made in the first embodiment:
Preferably, an attracting bag 233 is installed on one side of each rubber layer 232 near the annular groove 231, iron powder is filled in the attracting bag 233, a magnet block 221 is installed on one side of the moving seat 220 near the measuring wheel 230, the magnet block 221 is semicircular, the magnet block 221 is coaxial with the measuring wheel 230, the magnet block 221 can generate magnetic attraction force on the iron powder in the attracting bag 233, the rubber layer 232 is driven to deform through magnetic force, and the magnet block 221 is attached.
When the measuring wheel 230 contacts the track and rotates, part of the side wall of the movable seat 220 is attracted by the magnet block 221, so that part of the rubber layer 232 deforms and is attached to the magnet block 221, an effective barrier is formed, and the possibility that sundries enter the movable seat 220 is reduced.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:
Through the magnetic attraction effect of the attraction bag 233 and the magnet block 221, the rubber layer 232 is tightly attached to the inner wall of the movable seat 220, so that an effective barrier is formed, the possibility that sundries are clamped into gaps is reduced, the occurrence of sundry interference and jamming is reduced, the reading of the encoder 240 is more accurate and reliable, more accurate data support is provided for track detection, and the maintenance cost and the manual intervention requirement are reduced.
Example III
In the above-mentioned scheme, since the rubber layer 232 contacts the inner wall of the movable seat 220 by magnetic attraction, the friction force to be overcome when the measuring wheel 230 rotates is increased, and by installing the magnet block 221 on the inner wall of the movable seat 220, some metal impurities on the track may be adsorbed, which affects the smoothness of rotation of the measuring wheel 230 and the detection accuracy, in order to solve the above-mentioned problems, as shown in fig. 8 to 9, the second embodiment is further improved:
Preferably, the number of the suction pockets 233 is several, the suction pockets 233 on the same side of the measuring wheel 230 are divided into two groups, and the two groups of suction pockets 233 are symmetrical about the center of the measuring wheel 230 as the center of the axis.
Preferably, the extension line of the center line of the length of each group of the suction pockets 233 passes through the center of the measuring wheel 230, and the lengths of the suction pockets 233 in the same group gradually increase in the clockwise direction, and when the suction pockets 233 in the same group are magnetically attracted by the magnet block 221, the suction pockets 233 in the group can gradually increase the deformation degree of the rubber layer 232 in the clockwise direction.
Preferably, two suction pockets 233 are adjacent within the same group, wherein one suction pocket 233 has a length that is 1.2-1.4 times the length of the other suction pocket 233.
When the wheel 230 rotates, the degree of deformation of the rubber layer 232 can be smoothly transited by the magnetic attraction between the plurality of suction pockets 233 and the magnet block 221. This enables the wheel 230 to work with the movable seat 220 more stably during rotation, reduces the seizing or shaking phenomenon caused by the interference of the sundries, and through the deformation of different states of the rubber layer 232, when the wheel 230 rotates, the sundries in the movable seat 220 can be pushed to the outside and discharged, thereby improving the self-cleaning capability thereof, and the suction pockets 233 are provided in plurality, the lengths of the suction pockets 233 are gradually increased, the contact area of the suction pockets 233 of the rubber layer 232 with the inner wall of the movable seat 220 is reduced, the friction force between the rubber layer 232 and the inner wall of the movable seat 220 is reduced to be 2/3 to 3/4 of the original friction force, the rotation smoothness of the wheel 230 is enhanced, and the amount of force required for rotation of the wheel 230 can be controlled by adjusting the areas of the rubber layer 232 and the suction pockets 233, and the filling amount of iron powder in the suction pockets 233 and the magnetic force of the magnet block 221, so as to obtain more accurate data.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:
The measuring wheel 230 can work with the movable seat 220 more stably in the rotating process, so that the blocking or shaking phenomenon caused by the interference of sundries is reduced, and the friction force between the rubber layer 232 and the magnet block 221 is reduced. This not only reduces energy loss, but also extends the useful life of the wheel 230 mechanism, improving self-cleaning ability within the mobile station 220.
Example IV
In order to further reduce the friction effect caused by magnetic attraction, as shown in fig. 10, a third embodiment is further improved:
Preferably, each of the suction bags 233 is provided with a separation soft film 234, the separation soft film 234 divides the space in the suction bag 233 into a plurality of separation layers 235, and the separation soft film 234 can prevent the iron powder in the suction bag 233 from being accumulated under the influence of gravity.
Preferably, the same suction bladder 233 has a smaller amount of iron powder filled in the barrier layer 235 closer to the center of the wheel 230.
Preferably, the iron powder filling amount in the interlayer 235 of the suction pockets 233 at the same circumferential position is the same.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:
Through separating the softfilm 234 setting for the iron powder distribution in every suction bag 233 is comparatively even, avoids the iron powder to pile up and influences the rubber layer 232 deformation, reduces the discharge efficiency to debris, and through changing suction bag 233 iron powder distribution, under the prerequisite that does not influence its deformation shape to rubber layer 232 production, reduced suction bag 233 and be close to the magnetic attraction of the wheel 230 centre of a circle part, and then the frictional force that needs overcome when reducing the wheel 230 rotation, further optimized the range finding precision.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a subway evacuation platform installs location measuring apparatu, includes automobile body (100) that can walk on track tread, installs lifting unit (110) on automobile body (100), installs laser measuring apparatu (120) at lifting unit (110) top, and push rod (130) that are used for promoting automobile body (100) removal are installed to automobile body (100) one side, characterized in that, still include range finding part (200), range finding part (200) include range finding shell (210), remove seat (220), measuring wheel (230), encoder (240), sliding column (250) and lifting rod (251), range finding shell (210) fixed mounting is in one side of automobile body (100), and range finding shell (210) set up by uncovered mounting groove down, remove seat (220) sliding connection in the mounting groove, measuring wheel (230) rotate to be connected in the inside removing seat (220), and encoder (240) rotate to be connected in the one side that is close to automobile body (100), and measuring wheel (230) and encoder (240) pass through connecting axle fixed connection, both sides of measuring wheel (230) have rubber layer (232) on both sides, rubber layer (232) are fixed structure, the same-side rubber layer (232) can cover the annular groove (231).
2. The subway evacuation platform mounting and positioning measuring instrument according to claim 1, wherein an attracting bag (233) is mounted on one side, close to the annular groove (231), of each rubber layer (232), iron powder is filled in the attracting bag (233), a magnet block (221) is mounted on one side, close to the measuring wheel (230), of each movable seat (220), the magnet block (221) is semicircular, the magnet block (221) is coaxial with the measuring wheel (230), the magnet block (221) can generate magnetic attraction to the iron powder in the attracting bag (233), and the rubber layer (232) is driven to deform through magnetic force and is attached to the magnet block (221).
3. The subway evacuation platform mounting positioning measurement instrument according to claim 2, wherein the plurality of suction bags (233) are arranged on the same side of the measuring wheel (230), the plurality of suction bags (233) are divided into two groups, and the two groups of suction bags (233) are symmetrical about the center of the measuring wheel (230) as an axis center.
4. A subway evacuation platform mounting positioning measuring instrument according to claim 3, wherein an extension line of a length center line of each group of suction bags (233) passes through a center of the measuring wheel (230), and lengths of a plurality of suction bags (233) in the same group are gradually increased in a clockwise direction, and when the plurality of suction bags (233) in the same group are magnetically attracted by the magnet block (221), the suction bags (233) in the group can gradually increase deformation degrees of the rubber layer (232) in the clockwise direction.
5. A subway evacuation platform mounting positioning gauge according to claim 4, wherein two adjacent suction bags (233) in the same group, wherein the length of one suction bag (233) is 1.2-1.4 times the length of the other suction bag (233).
6. The subway evacuation platform installation positioning measuring instrument according to claim 4, wherein each suction bag (233) is internally provided with a separation soft film (234), the separation soft film (234) divides the space in the suction bag (233) into a plurality of separation layers (235), and the separation soft film (234) can prevent iron powder in the suction bag (233) from being accumulated under the influence of gravity.
7. The subway evacuation platform mounting positioning measuring instrument according to claim 6, wherein the interlayer (235) which is closer to the center of the measuring wheel (230) in the same suction bag (233) is filled with less iron powder.
8. The subway evacuation platform mounting positioning measurement instrument according to claim 6, wherein iron powder filling amounts in the interlayer (235) of the plurality of suction bags (233) at the same circumferential position are the same.
9. The subway evacuation platform mounting and positioning measuring instrument according to claim 1, wherein the sliding column (250) is fixedly connected with the ranging shell (210), the moving seat (220) is in sliding connection with the sliding column (250), a limiting block for limiting the moving seat (220) to be separated from the sliding column (250) is further fixed at the bottom of the sliding column (250), the height of the sliding column (250) is the same as that of the mounting groove, a lifting rod (251) is mounted at the top of the moving seat (220), the lifting rod (251) extends upwards and penetrates through the ranging shell (210), a pressure spring (252) is further sleeved on the sliding column (250), the pressure spring (252) is located on the upper side of the moving seat (220), a limiting rod (253) is rotatably connected to the top of the lifting rod (251), when the lifting rod (251) and the limiting rod (253) are in a vertical state, the moving seat (220) can be driven to move downwards through the elasticity of the pressure spring (252), the measuring wheel (230) is enabled to contact with the track tread, and when the lifting rod (251) and the limiting rod (253) are in a vertical state, the pressure spring (252) can be overcome the pressure spring (230).
10. The subway evacuation platform installation positioning measuring instrument according to claim 1, wherein a power supply, a first display screen, a controller and a track gauge sensor are further installed on the vehicle body (100), a second display screen and an angle measuring instrument for detecting the inclination angle of the lifting component (110) are further installed on the lifting component (110), the power supply supplies power to the controller, the first display screen and the second display screen, and signals measured by the ranging component (200), the laser measuring instrument (120) and the track gauge sensor acute angle measuring instrument are transmitted to the controller and are displayed by the first display screen and the second display screen after being processed by the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410383427.8A CN117968608B (en) | 2024-04-01 | 2024-04-01 | Subway evacuation platform installation positioning measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410383427.8A CN117968608B (en) | 2024-04-01 | 2024-04-01 | Subway evacuation platform installation positioning measuring instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117968608A true CN117968608A (en) | 2024-05-03 |
| CN117968608B CN117968608B (en) | 2024-06-07 |
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| CN202410383427.8A Active CN117968608B (en) | 2024-04-01 | 2024-04-01 | Subway evacuation platform installation positioning measuring instrument |
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Citations (6)
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| JPH0930411A (en) * | 1995-07-21 | 1997-02-04 | Niigata Eng Co Ltd | Rubber tire type carriage fitting device and method for fitting carriage of rubber tire type vehicle to body |
| CN105423940A (en) * | 2015-12-25 | 2016-03-23 | 同济大学 | Subway tunnel structure cross section deformation rapid detection device |
| CN107830807A (en) * | 2017-10-27 | 2018-03-23 | 中铁局集团有限公司 | A kind of subway dispersing platform installs position measuring instrument |
| CN113550785A (en) * | 2021-08-09 | 2021-10-26 | 中铁十一局集团电务工程有限公司 | Trackless measurement construction method for subway evacuation platform |
| CN115853229A (en) * | 2023-02-03 | 2023-03-28 | 山东鼎安升机器人有限公司 | Self-walking indoor wall surface polishing and spraying operation robot |
| CN117719280A (en) * | 2023-11-23 | 2024-03-19 | 广州大学 | Frog-like soft robot based on gas-liquid phase change |
-
2024
- 2024-04-01 CN CN202410383427.8A patent/CN117968608B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0930411A (en) * | 1995-07-21 | 1997-02-04 | Niigata Eng Co Ltd | Rubber tire type carriage fitting device and method for fitting carriage of rubber tire type vehicle to body |
| CN105423940A (en) * | 2015-12-25 | 2016-03-23 | 同济大学 | Subway tunnel structure cross section deformation rapid detection device |
| CN107830807A (en) * | 2017-10-27 | 2018-03-23 | 中铁局集团有限公司 | A kind of subway dispersing platform installs position measuring instrument |
| CN113550785A (en) * | 2021-08-09 | 2021-10-26 | 中铁十一局集团电务工程有限公司 | Trackless measurement construction method for subway evacuation platform |
| CN115853229A (en) * | 2023-02-03 | 2023-03-28 | 山东鼎安升机器人有限公司 | Self-walking indoor wall surface polishing and spraying operation robot |
| CN117719280A (en) * | 2023-11-23 | 2024-03-19 | 广州大学 | Frog-like soft robot based on gas-liquid phase change |
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| CN117968608B (en) | 2024-06-07 |
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