CN112551415A - Hydraulic lifting platform guide rail adjusting structure for rail transit maintenance - Google Patents
Hydraulic lifting platform guide rail adjusting structure for rail transit maintenance Download PDFInfo
- Publication number
- CN112551415A CN112551415A CN202011389338.2A CN202011389338A CN112551415A CN 112551415 A CN112551415 A CN 112551415A CN 202011389338 A CN202011389338 A CN 202011389338A CN 112551415 A CN112551415 A CN 112551415A
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- Prior art keywords
- guide rail
- plate
- shaft
- lifting
- assembled
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/12—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks
- B66F7/14—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks screw operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
- G01C9/06—Electric or photoelectric indication or reading means
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Transmission Devices (AREA)
Abstract
A hydraulic lifting platform guide rail adjusting structure for rail transit maintenance comprises a side shifting platform, wherein a roller shaft is mounted on the side shifting platform, a roller is sleeved on the roller shaft in a circumferentially rotatable manner, the roller is clamped with a guide rail groove and can be assembled in a rolling manner, the guide rail groove is formed in two sides of a guide rail, and the guide rail is mounted on a guide rail seat; the bottom of the guide rail seat is provided with a guide rail shaft block, the guide rail shaft block can be sleeved on a guide rail rotating shaft in a circumferential rotating manner, and two ends of the guide rail rotating shaft are respectively assembled with a rack of the hydraulic lifting platform; the guide rail seat is provided with a guide rail seat groove which penetrates through the guide rail seat, and the adjusting swing rod penetrates through the guide rail seat groove and can be assembled with the guide rail seat groove in a relatively rotating manner; the adjusting swing rod is hinged with the adjusting shaft plate through a swing rod rotating shaft, the adjusting swing rod penetrates through a retaining groove in the retaining plate and then intersects with the push plate, the push plate is assembled with the rack and one end of the push rod, and the rack is in meshing transmission with the gear; the gear is sleeved on the screw rod, the screw rod can drive the lifting bottom plate to move up and down, the lifting bottom plate is provided with a supporting rod, and the supporting rod is directly or indirectly pressed with the bottom of the guide rail seat.
Description
Technical Field
The invention relates to a hydraulic lifting platform technology for track maintenance, in particular to a guide rail adjusting structure of a hydraulic lifting platform for track traffic maintenance.
Background
In the maintenance of the rail train, a hydraulic lifting platform is generally required to weigh heavy equipment such as a bogie and a battery, and then the equipment is conveyed to a station for maintenance. A guide rail is arranged on a common hydraulic lifting platform, and a lateral moving platform is arranged on the guide rail, so that the position of equipment can be conveniently adjusted. And because the platform that moves is moved to the side is weighed not at the center to and assembly error, wearing and tearing that exist in the use etc. can make guide rail, the side move and produce the slope between the platform, this just makes and makes guide rail, side move and produce between the platform and rock in the use, has great potential safety hazard.
Therefore, the inventor designs a hydraulic lifting platform guide rail adjusting structure for rail transit maintenance, which can automatically adjust an inclined guide rail, thereby ensuring stable operation of the guide rail.
Disclosure of Invention
In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is to provide a hydraulic lifting platform guide rail adjusting structure for rail transit maintenance.
In order to achieve the purpose, the invention provides a hydraulic lifting platform guide rail adjusting structure for rail transit maintenance, which comprises a side shifting platform, a guide rail and a guide rail seat, wherein a roller shaft is arranged on the side shifting platform, a roller is sleeved on the roller shaft in a circumferentially rotatable manner, the roller is clamped with a guide rail groove and can be assembled in a rolling manner, the guide rail groove is formed in two sides of the guide rail, and the guide rail is arranged on the guide rail seat;
the bottom of the guide rail seat is provided with a guide rail shaft block, the guide rail shaft block can be sleeved on a guide rail rotating shaft in a circumferential rotating manner, and two ends of the guide rail rotating shaft are respectively assembled with a rack of the hydraulic lifting platform; the guide rail seat is provided with a guide rail seat groove which penetrates through the guide rail seat, and the adjusting swing rod penetrates through the guide rail seat groove and can be assembled with the guide rail seat groove in a relatively rotating manner; after the roller axially adjusts the swing rod to incline, the roller shaft can be tightly pressed with the top surface of the adjusting swing rod; the adjusting swing rod is hinged with the adjusting shaft plate through a swing rod rotating shaft, the adjusting swing rod penetrates through a retaining groove in the retaining plate and then intersects with the push plate, the push plate is assembled with the rack and one end of the push rod, and the rack is in meshing transmission with the gear;
the gear suit is on the screw rod, but screw rod one end passes behind the screw rod piece with lifting bottom plate circumferencial rotation, axial displacement assembly not, the screw rod closes the assembly with the screw rod piece through the screw thread soon, installs the bracing piece on the lifting bottom plate, and the bracing piece compresses tightly directly or indirectly with guide rail seat bottom.
Preferably, the lateral moving platform is provided with two platform shaft plates which are arranged in parallel, the two platform shaft plates are respectively assembled with the top wheel shaft, the top wheel is arranged on the top wheel shaft, and the top wheel is tightly assembled with the top of the guide rail.
Preferably, a friction cover is installed at the top of the adjusting swing rod and made of soft elastic materials, the friction cover is installed below the roller shaft, and the roller shaft can be pressed against the friction cover when the friction cover inclines towards the roller shaft.
Preferably, the other end of the push rod penetrates through the push rod shaft plate and is assembled with the push rod shaft plate in a sliding mode, the push rod shaft plate is installed on the retaining plate, a push rod spring is sleeved on the part, located between the push rod shaft plate and the push plate, of the push rod, and the push rod spring is used for applying elastic force, far away from the push rod shaft plate, to the push plate; the push rod penetrates out of one end of the push rod shaft plate to be assembled with the push rod nut, and the push rod nut cannot penetrate through the push rod shaft plate.
Preferably, the gear is a one-way gear, which is a locking direction in a direction in which the driving gear rotates when the rack moves to the push rod shaft plate, and a rotating direction in the other direction.
Preferably, the lifting bottom plate is provided with a lifting vertical plate, the lifting vertical plate is provided with a lifting top plate, the lifting bottom plate is provided with a guide cylinder, the guide cylinder is clamped with the support rod and can be assembled in a sliding manner, the top of the support rod sequentially penetrates through the screw cylinder and the support spring and then is assembled with the ball in a spherical rolling manner, and the ball is tightly assembled with the guide rail seat to support the guide rail seat; the guide cylinder and the support rod cannot be assembled in a relative circumferential rotation mode; the screw sleeve and the lifting top plate are assembled in a screwing way through threads;
but bracing piece and swivel nut circumferencial rotation, endwise slip assembly, the bracing piece is worn out swivel nut one and is served and be provided with the spacing ring, the swivel nut is worn out and is served and install the atress ring on the lift roof, the supporting spring both ends compress tightly with spacing ring, atress ring respectively to exert the elasticity that upwards promotes in order to support the guide rail seat to the bracing piece.
Preferably, the lifting bottom plate is arranged at one end of the lifting guide shaft, the other end of the lifting guide shaft penetrates through the screw rod block and can axially slide with the screw rod block, the screw rod block is arranged on the bottom frame, a bottom frame sliding groove is arranged on the bottom frame, and the bottom frame sliding groove is clamped with the push plate and can be assembled in a sliding mode.
Preferably, a support plate is further mounted on the underframe, a displacement sensor is mounted on the support plate, an input shaft of the displacement sensor is assembled with the lifting bottom plate, and the lifting bottom plate can drive the input shaft to move axially when moving up and down, so that the displacement sensor obtains signal input to detect the distance between the lifting bottom plate and the underframe; the holding plate is mounted on the chassis.
Preferably, the worm wheel is sleeved on the screw sleeve, the worm wheel is meshed with the worm part to form a worm and worm gear transmission mechanism, the worm part is arranged on a worm wheel shaft, the worm wheel shaft and the two lifting side plates can rotate circumferentially and cannot move axially, the two lifting side plates are respectively arranged on the lifting vertical plates, and one end of the worm wheel shaft penetrates through one of the lifting side plates and then is fixedly connected with an output shaft of the motor.
Preferably, the limiting ring is provided with a detection supporting plate, the detection supporting plate is provided with a magnet seat, the magnet seat is provided with a magnet block, the lifting top plate is provided with a hall sensor corresponding to the magnet, and the hall sensor is used for detecting the relative distance between the magnet and the lifting top plate, so that the downward movement displacement of the supporting rod is judged.
The invention has the beneficial effects that:
the invention has simple structure, can detect the inclination of the guide rail and correct the inclination in time, thereby ensuring the stable operation of the guide rail and preventing the side-shifting platform from shaking to cause potential safety hazards. In addition, the invention can detect the inclination angles of the two sides of the guide rail through the Hall sensor, thereby providing a foundation for subsequent debugging.
Drawings
Fig. 1-2 are schematic structural views of the present invention. Wherein fig. 2 is an enlarged view at F1 in fig. 1.
Fig. 3 is a schematic structural diagram of a gear rack.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 3, the hydraulic lifting platform guide rail adjusting structure of the present embodiment includes a lateral moving platform 110, a guide rail 120, and a guide rail base 130, wherein a roller shaft 220 and two platform shaft plates 111 installed in parallel are installed on the lateral moving platform 110, a roller 310 is sleeved on the roller shaft 220 in a circumferential rotatable manner, the roller 310 is engaged with a guide rail groove 121 and can be assembled in a rolling manner, the guide rail groove 121 is disposed on both sides of the guide rail 120, and the guide rail 120 is installed on the guide rail base 130; the two platform shaft plates 111 are respectively assembled with the top wheel shaft 210, the top wheel 320 is arranged on the top wheel shaft 210, and the top wheel 320 is tightly assembled with the top of the guide rail 120;
the bottom of the guide rail seat 130 is provided with a guide rail shaft block 140, the guide rail shaft block 140 is sleeved on the guide rail rotating shaft 230 in a circumferential rotating manner, and two ends of the guide rail rotating shaft 230 are respectively assembled with a frame of the hydraulic lifting platform; the guide rail seat 130 is provided with a guide rail seat groove 131 which penetrates through the guide rail seat, and the adjusting swing rod 710 penetrates through the guide rail seat groove 131 and can be assembled with the guide rail seat groove in a relatively rotating manner; the friction cover 410 is installed on the top of the adjusting swing rod 710, and the friction cover 410 is made of soft elastic material, such as rubber. The friction cover 410 is installed below the roller shaft 220, and the roller shaft 220 can be pressed against the friction cover 410 when inclining towards the friction cover 410, so as to drive the adjusting swing link 710 to rotate around the swing link rotating shaft 240.
The adjusting swing rod 710 is hinged to the adjusting shaft plate 151 through a swing rod rotating shaft 240, the adjusting swing rod 710 penetrates through the retaining groove 152 on the retaining plate 150 and then intersects with the push plate 510, the push plate 510 is assembled with the rack 520 and one end of the push rod 290, the rack 520 is in meshing transmission with the gear 530, the other end of the push rod 290 penetrates through the push rod shaft plate 190 and is assembled with the push rod shaft plate in a sliding manner, the push rod shaft plate 190 is installed on the retaining plate 150, a push rod spring 440 is sleeved on a part of the push rod 290 between the push rod shaft plate 190 and the push plate 510, and the push rod spring 440 is used for applying elastic force to the push plate far away; the push rod 290 penetrates through one end of the push rod shaft plate 190 to be assembled with the push rod nut 291, and the push rod nut 291 cannot penetrate through the push rod shaft plate 190. The adjustment shaft plate 151 is mounted on the holding plate 150.
The gear 530 is a one-way gear, and when the rack moves to the pusher plate 190, the direction in which the gear 530 rotates is a locking direction, and the other direction is a rotating direction. The gear 530 is sleeved on the screw 252, one end of the screw 252 passes through the screw block 162 and then is assembled with the lifting bottom plate 170 in a circumferentially rotatable and axially immovable manner, the screw 252 is assembled with the screw block 162 in a screwing manner through threads, the lifting bottom plate 170 is installed at one end of the lifting guide shaft 251, the other end of the lifting guide shaft 251 passes through the screw block 162 and can axially slide with the screw block 162, the screw block 162 is installed on the bottom frame 160, a bottom frame sliding groove 161 is formed in the bottom frame 160, and the bottom frame sliding groove 161 is clamped with the push plate 510 and can be assembled in a sliding manner.
A support plate 163 is further mounted on the bottom frame 160, a displacement sensor 610 is mounted on the support plate 163, an input shaft 611 of the displacement sensor 610 is assembled with the lifting bottom plate 170, and the lifting bottom plate 170 can drive the input shaft 611 to move axially when moving up and down, so that the displacement sensor 610 obtains signal input to detect the distance between the lifting bottom plate 170 and the bottom frame 160; the holding plate 150 is mounted on the bottom chassis 160.
The lifting bottom plate 170 is provided with a lifting vertical plate 171, the lifting vertical plate 171 is provided with a lifting top plate 172, the lifting bottom plate 170 is provided with a guide cylinder 261, the guide cylinder 261 is clamped with a support rod 262 and can be assembled in a sliding manner, the top of the support rod 262 passes through a screw cylinder 280 and a support spring 430 in sequence and then is assembled with a ball 420 in a spherical rolling manner, and the ball 420 is assembled with the guide rail seat 130 in a clinging manner to support the guide rail seat; the guide cylinder 261 and the support rod 262 are non-rotatably assembled with respect to the circumference.
The screw sleeve 280 and the lifting top plate 172 are assembled in a screwing mode through threads, a worm wheel 540 is sleeved on the screw sleeve 280, the worm wheel 540 is meshed with a worm part 550 to form a worm and gear transmission mechanism, the worm part 550 is arranged on a worm wheel shaft 270, the worm wheel shaft 270 and the two lifting side plates 173 can rotate circumferentially and cannot move axially, the two lifting side plates 173 are respectively arranged on the lifting vertical plates 171, one end of the worm wheel shaft 270 penetrates through one of the lifting side plates 173 and then is fixedly connected with an output shaft of a motor through a coupler, the motor can drive the worm wheel to rotate circumferentially after being started, the screw sleeve 280 is driven to rotate circumferentially, and the screw sleeve 280 can move axially relative to the lifting top plate 172 when rotating circumferentially.
But bracing piece 262 and swivel nut 280 circumferencial rotation, the assembly of axial slip, bracing piece 262 wears out swivel nut 280 and serves and be provided with spacing ring 2621, swivel nut 280 wears out on the lift roof 172 and serves and install atress ring 281, the supporting spring 430 both ends compress tightly with spacing ring 2621, atress ring 281 respectively to the elasticity that upwards promotes is exerted to bracing piece 262 in order to support guide rail seat 130. When the threaded sleeve rotates circumferentially, the force-bearing ring 281 can be driven to move up and down, so as to adjust the damping of the downward movement of the support rod 262, that is, the damping of the inclination of the guide rail plate (rotating around the guide rail rotating shaft 230).
The limiting ring 2621 is provided with a detection support plate 180, the detection support plate 180 is provided with a magnet seat 631, the magnet seat 631 is provided with a magnet block 630, the corresponding position of the lifting top plate 172 and the magnet block 630 is provided with a hall sensor 620, and the hall sensor 620 is used for detecting the relative distance between the magnet block 630 and the magnet block, so as to judge the displacement of the support rod 262 moving downwards.
When the guide rail 120 and the side shift platform 110 are inclined or the fit clearance is too large to cause inclination, the guide rail base 130 rotates around the guide rail rotating shaft 230, and the support rod 262 is pressed down by the guide rail base 130 at the inclined end, so that the hall sensor detects the amount of pressing displacement. Meanwhile, the roller shaft 220 moves downwards to be tightly pressed with the friction cover 410; along with the movement of the lateral moving platform 110, the adjusting swing rod 710 can be driven to rotate by taking the swing rod rotating shaft 240 as a center, so that the adjusting swing rod 710 pushes the push plate to move towards the push rod shaft plate 190 by overcoming the elastic force of the push rod spring 440, the rack is also driven to move synchronously, the rack driving gear rotates, the gear driving screw rod 252 moves upwards to enable the lifting bottom plate to move upwards to the displacement amount of the magnet block moving downwards towards the hall sensor, and the guide rail seat is balanced again to enable the movement of the lateral moving platform to be more stable. After the roller shaft 220 passes through the adjusting swing rod 710, the adjusting swing rod 710 is reset under the elastic force of the push rod spring, and at the moment, the gear adopts a one-way gear, so that the screw rod cannot be driven to rotate. Once the displacement of the lifting bottom plate driven by the adjusting swing rod 710 to move upwards and the displacement of the magnet block moving downwards towards the hall sensor are out of the error range, manual access for maintenance and debugging is needed.
The invention is not described in detail, but is well known to those skilled in the art.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides a hydraulic pressure lift platform guide rail regulation structure for rail transit is maintained which characterized by: the side-shifting platform is provided with a roller shaft, the roller shaft is sleeved with rollers in a manner of circumferential rotation, the rollers are clamped with guide rail grooves and can be assembled in a rolling manner, the guide rail grooves are formed in two sides of the guide rail, and the guide rail is arranged on the guide rail seat;
the bottom of the guide rail seat is provided with a guide rail shaft block, the guide rail shaft block can be sleeved on a guide rail rotating shaft in a circumferential rotating manner, and two ends of the guide rail rotating shaft are respectively assembled with a rack of the hydraulic lifting platform; the guide rail seat is provided with a guide rail seat groove which penetrates through the guide rail seat, and the adjusting swing rod penetrates through the guide rail seat groove and can be assembled with the guide rail seat groove in a relatively rotating manner; after the roller axially adjusts the swing rod to incline, the roller shaft can be tightly pressed with the top surface of the adjusting swing rod; the adjusting swing rod is hinged with the adjusting shaft plate through a swing rod rotating shaft, the adjusting swing rod penetrates through a retaining groove in the retaining plate and then intersects with the push plate, the push plate is assembled with the rack and one end of the push rod, and the rack is in meshing transmission with the gear;
the gear suit is on the screw rod, but screw rod one end passes behind the screw rod piece with lifting bottom plate circumferencial rotation, axial displacement assembly not, the screw rod closes the assembly with the screw rod piece through the screw thread soon, installs the bracing piece on the lifting bottom plate, and the bracing piece compresses tightly directly or indirectly with guide rail seat bottom.
2. The hydraulic lift platform rail adjustment structure of claim 1, wherein: the lateral moving platform is provided with two platform shaft plates which are arranged in parallel, the two platform shaft plates are respectively assembled with the top wheel shaft, the top wheel is arranged on the top wheel shaft, and the top wheel is tightly assembled with the top of the guide rail.
3. The hydraulic lift platform rail adjustment structure of claim 1, wherein: the top of the adjusting swing rod is provided with a friction cover which is made of soft elastic materials, the friction cover is arranged below the roller shaft, and the roller shaft can be tightly pressed with the friction cover when the friction cover inclines.
4. The hydraulic lift platform rail adjustment structure of claim 1, wherein: the other end of the push rod penetrates through the push rod shaft plate and is assembled with the push rod shaft plate in a sliding mode, the push rod shaft plate is installed on the retaining plate, a push rod spring is sleeved on the part, located between the push rod shaft plate and the push plate, of the push rod, and the push rod spring is used for applying elastic force to the push plate, and the elastic force is far away from pushing of the push rod shaft plate; the push rod penetrates out of one end of the push rod shaft plate to be assembled with the push rod nut, and the push rod nut cannot penetrate through the push rod shaft plate.
5. The hydraulic lift platform rail adjustment structure of claim 1, wherein: the gear is a one-way gear, the direction of the gear rotating when the rack moves to the push rod shaft plate is a locking direction, and the other direction is a rotating direction.
6. The hydraulic lift platform rail adjustment structure of claim 1, wherein: the lifting bottom plate is provided with a lifting vertical plate, the lifting vertical plate is provided with a lifting top plate, the lifting bottom plate is provided with a guide cylinder, the guide cylinder is clamped with a support rod and can be assembled in a sliding mode, the top of the support rod penetrates through a screw cylinder and a support spring in sequence and then is assembled with a ball in a spherical rolling mode, and the ball is tightly assembled with a guide rail seat to support the guide rail seat; the guide cylinder and the support rod cannot be assembled in a relative circumferential rotation mode; the screw sleeve and the lifting top plate are assembled in a screwing way through threads;
but bracing piece and swivel nut circumferencial rotation, endwise slip assembly, the bracing piece is worn out swivel nut one and is served and be provided with the spacing ring, the swivel nut is worn out and is served and install the atress ring on the lift roof, the supporting spring both ends compress tightly with spacing ring, atress ring respectively to exert the elasticity that upwards promotes in order to support the guide rail seat to the bracing piece.
7. The hydraulic lift platform rail adjustment structure of claim 6, wherein: the lifting bottom plate is installed on one end of the lifting guide shaft, the other end of the lifting guide shaft penetrates through the screw rod block and can axially slide with the screw rod block, the screw rod block is installed on the bottom frame, a bottom frame sliding groove is formed in the bottom frame, and the bottom frame sliding groove is clamped with the push plate and can be assembled in a sliding mode.
8. The hydraulic lift platform rail adjustment structure of claim 6, wherein: the lifting bottom plate can be driven to move axially when moving up and down, so that the displacement sensor obtains signal input to detect the distance between the lifting bottom plate and the bottom frame; the holding plate is mounted on the chassis.
9. The hydraulic lift platform rail adjustment structure of claim 6, wherein: the worm gear is sleeved on the threaded sleeve, the worm gear is meshed with the worm part to form a worm gear transmission mechanism, the worm part is arranged on a worm gear shaft, the worm gear shaft and the two lifting side plates can rotate circumferentially and cannot move axially, the two lifting side plates are respectively arranged on the lifting vertical plates, and one end of the worm gear shaft penetrates through one of the lifting side plates and then is connected and fixed with an output shaft of the motor.
10. The hydraulic lift platform rail adjustment structure of claim 6, wherein: the limiting ring is provided with a detection supporting plate, the detection supporting plate is provided with a magnet seat, the magnet seat is provided with a magnet block, the lifting top plate is provided with a Hall sensor at the position corresponding to the magnet, and the Hall sensor is used for detecting the relative distance between the magnet and the lifting top plate so as to judge the displacement of the supporting rod moving downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011389338.2A CN112551415B (en) | 2020-12-01 | 2020-12-01 | Hydraulic lifting platform guide rail adjusting structure for rail transit maintenance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011389338.2A CN112551415B (en) | 2020-12-01 | 2020-12-01 | Hydraulic lifting platform guide rail adjusting structure for rail transit maintenance |
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| Publication Number | Publication Date |
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| CN112551415A true CN112551415A (en) | 2021-03-26 |
| CN112551415B CN112551415B (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011389338.2A Active CN112551415B (en) | 2020-12-01 | 2020-12-01 | Hydraulic lifting platform guide rail adjusting structure for rail transit maintenance |
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| JPH07208992A (en) * | 1994-01-13 | 1995-08-11 | East Japan Railway Co | Apparatus for measuring alignment and of track of railroad |
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2020
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|---|---|---|---|---|
| JPH07208992A (en) * | 1994-01-13 | 1995-08-11 | East Japan Railway Co | Apparatus for measuring alignment and of track of railroad |
| CN201224856Y (en) * | 2008-07-11 | 2009-04-22 | 中铁二局股份有限公司 | Plate adjusting apparatus for measuring rail plate |
| CN101922133A (en) * | 2010-08-12 | 2010-12-22 | 上海铁路局科学技术研究所 | Intelligent track detector for high-efficiency measurement of track parameters |
| JP2013152189A (en) * | 2012-01-26 | 2013-08-08 | Seiko Epson Corp | Physical quantity detection element, electronic apparatus, and overload detecting method |
| CN103644843A (en) * | 2013-12-04 | 2014-03-19 | 上海铁路局科学技术研究所 | Rail transit vehicle motion attitude detection method and application thereof |
| CN105016242A (en) * | 2015-06-17 | 2015-11-04 | 南车青岛四方机车车辆股份有限公司 | Lifting device |
| CN209247001U (en) * | 2018-10-19 | 2019-08-13 | 史丽涛 | A kind of rail track construction water Pingdu detection device |
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| CN112551415B (en) | 2022-09-02 |
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