CN110593029A - Floating plate hoisting equipment for track - Google Patents
Floating plate hoisting equipment for track Download PDFInfo
- Publication number
- CN110593029A CN110593029A CN201910951687.XA CN201910951687A CN110593029A CN 110593029 A CN110593029 A CN 110593029A CN 201910951687 A CN201910951687 A CN 201910951687A CN 110593029 A CN110593029 A CN 110593029A
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- CN
- China
- Prior art keywords
- fixed
- pulley
- electric telescopic
- floating
- plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/06—Transporting, laying, removing or renewing sleepers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/26—Auxiliary measures taken, or devices used, in connection with the measurement of force, e.g. for preventing influence of transverse components of force, for preventing overload
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a floating plate hoisting device for a track, which comprises a vehicle body and a steel rope, wherein a support plate is fixed on the vehicle body, a device chamber shell is arranged on the right side of an operation chamber, a second electric telescopic rod base is arranged on the rear side of the operation chamber, connecting rods are fixed at the front end and the rear end of the left side of a second electric telescopic rod, a first pulley shell is fixed on the front side of the second electric telescopic rod, a fixed rod is fixed on the first pulley shell, a third electric telescopic rod is fixed at one end of the fixed plate, a third pulley is connected to the lower side of the steel rope in a sliding manner, a bearing rope is fixed on the lower side of a hook, a rubber buffer cushion is arranged between floating plates, and a first limit groove is formed in each floating plate. This floating plate lifting device for track sets up first electric telescopic handle, and lifting device face inclination is too big when being under construction, can adjust through four first electric telescopic handle, makes things convenient for later stage operating personnel to control it.
Description
Technical Field
The invention relates to the technical field of track floating slabs, in particular to a floating slab hoisting device for a track.
Background
With the continuous development of economic level, light rails, high-speed rails and subways become the most common transportation tools of urban traffic, the floating slab is an indispensable part of rail traffic, when the light rails, the high-speed rails and the subways are constructed, the prefabricated floating slab needs to be moved to a construction position, the rails can be laid at last, and hoisting equipment is generally adopted when the floating slab is moved.
When current lifting device hoists floating slab, do not assist fixedly to it, when the rope breaks, directly drop to ground and lead to floating slab damage, the same a set of pulley takes place to rock when hoist and mount it easily, at the construction site, the construction ground inclination is great time do not have the way to make the control chamber keep the environment relatively level and smooth to operate, the maloperation appears in the operating personnel easily, when lifting device operates, the noise is too big, influence constructor and other operating personnel to communicate, in time can not communicate if the maloperation appears, and the too big eardrum that harms easily of noise, cause peripheral noise pollution, floating slab is that the polylith is fixed, if the seesaw phenomenon appears in the junction of floating slab and not discover in time, the fracture appears when the floating slab seriously, influence whole subway normal operating at last.
Disclosure of Invention
The invention aims to provide floating plate hoisting equipment for a track, which solves the problems that when the existing hoisting equipment provided in the background technology hoists a floating plate, the floating plate is not assisted and fixed, the floating plate is easy to shake during hoisting, when the slope of the construction ground is large in a construction section, an operation room can not be kept in a relatively flat environment for operation when the hoisting equipment is operated, the noise is too high, the communication between constructors and other operators is influenced, and if the seesaw phenomenon is not found in time at the joint of the floating plate, the floating plate is broken seriously.
In order to achieve the purpose, the invention provides the following technical scheme: a floating plate hoisting device for a track comprises a vehicle body and a steel rope, wherein a supporting plate is fixed on the vehicle body, a first electric telescopic rod is embedded in the supporting plate, an anti-skid plate is fixed on the upper side of the first electric telescopic rod, a device outdoor shell is arranged on the right side of a control chamber, a sound insulation plate is fixed on the inner wall of the device outdoor shell, an electric wire winding disc is fixed on the upper side of the device outdoor shell, a second electric telescopic rod base is arranged on the rear side of the control chamber, a second electric telescopic rod is rotatably connected onto the second electric telescopic rod base, connecting rods are fixed at the front end and the rear end of the left side of the second electric telescopic rod, a fixing plate is fixed at one end of each connecting rod, a first pulley shell is fixed on the front side of the second electric telescopic rod, the first pulley shell is rotatably connected with a first pulley, a fixing rod is fixed on the first pulley shell, and the fixing rod is, meanwhile, a second pulley shell and a fixed rod are both rotatably connected with a second pulley, one end of the fixed plate is fixed with a third electric telescopic rod, one end of the third electric telescopic rod is fixed with the second pulley shell, the lower side of the steel rope is slidably connected with a third pulley, the lower side of the third pulley is fixed with a hook, the lower side of the hook is fixed with a bearing rope, the lower side of the bearing rope is fixed with a floating plate, a rubber buffer cushion is arranged between the floating plates, the left floating plate is fixed with a right floating plate through a shear hinge and a first bolt thread, the floating plate is provided with a first limiting groove, an arc bolt is arranged in the first limiting groove, the arc bolt is connected with a second bolt through a thread, the lower side of the floating plate is provided with a second limiting groove, a spring shaft is arranged in the second limiting groove, a positioner is embedded on the upper side of the spring shaft, and a pressure sensor is fixed on the upper side, and a convex block is fixed on the upper side of the pressure sensor.
Preferably, the antiskid plate is provided with antiskid lines.
Preferably, the antiskid ribbed tile upside is provided with the loop wheel machine and removes the wheel, and loop wheel machine removes the wheel upside and is provided with the control room, and control room inside is provided with the control box simultaneously.
Preferably, a foam board is fixed on the sound insulation board, and holes are formed in the foam board.
Preferably, one end of the steel rope is wound on the electric wire spool, and the other end of the steel rope is finally connected with the third pulley through the first pulley and the second pulley respectively.
Preferably, the floating plate and the shear hinge form a dismounting and mounting structure through the first bolt.
Preferably, holes with the same diameter are equidistantly distributed in the sound insulation foam.
Preferably, the number of the first limiting grooves is three, and arc-shaped bolts are arranged in the three first limiting grooves.
Preferably, the locator and the pressure sensor are remotely connected with a computer terminal.
Compared with the prior art, the invention has the beneficial effects that: the track is hoisted by a floating slab hoisting device,
(1) the first electric telescopic rods are arranged, the slope of the ground of the hoisting equipment is too large during construction, the hoisting equipment can be adjusted through the four first electric telescopic rods, the first electric telescopic rods drive the antiskid plates to adjust and level the control room, operators can conveniently control the control room in the later period, and the whole hoisting operation cannot be influenced;
(2) the first pulley, the second pulley and the third pulley are arranged, hooks are arranged on the lower sides of the first pulley, the second pulley and the third pulley through the third pulley, the second pulley moves to drive the hooks to move left and right, so that floating plates or other objects with different lengths can be conveniently and auxiliarily fixed, and when a bearing rope under the first pulley is broken, the floating plates cannot fall off, the floating plates are prevented from being damaged, the loss is reduced, and the practicability is improved;
(3) the sound insulation board is arranged, sound insulation foam is fixed on the inner wall of the sound insulation board, and holes are formed in the sound insulation foam, so that the sound insulation board and the sound insulation foam can treat noise inside the outdoor shell of the device, reduce the noise transmitted out of the outdoor shell of the device, and ensure that no communication can be carried out on a construction site due to overlarge noise;
(4) be provided with the spring axle, locator and pressure sensor, the setting of spring axle can carry out the damping to floating plate junction and handle, and be provided with locator and pressure sensor on the spring axle, pressure information transmission when pressure sensor passes through the vehicle is for the computer end, the computer end makes its judgement with it, it is great with other junction pressure value deviations if floating plate junction, just need overhaul this place, the staff just can find needs maintenance department through the locator, prevent that floating plate from breaking and influencing whole work.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic left-side view of the first pulley of the present invention disposed on the first pulley housing;
FIG. 5 is a schematic view of a distribution structure of first limiting grooves on a floating plate according to the present invention;
FIG. 6 is a schematic view of a distribution structure of second bolts on the first limiting groove according to the present invention;
FIG. 7 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 8 is an enlarged view of the structure at B in FIG. 6 according to the present invention.
In the figure: 1. the car body, 2, a support plate, 3, a first electric telescopic rod, 4, an antiskid plate, 5, a crane moving wheel, 6, a control room, 7, a control box, 8, a device room shell, 9, a sound insulation plate, 10, an electric wire spool, 11, a second electric telescopic rod base, 12, a second electric telescopic rod, 13, a connecting rod, 14, a fixing plate, 15, a first pulley shell, 16, a first pulley, 17, a fixing rod, 18, a second pulley shell, 19, the device comprises a second pulley, 20, a third electric telescopic rod, 21, a steel rope, 22, a third pulley, 23, a hook, 24, a bearing rope, 25, a floating plate, 26, a shear hinge, 27, a first bolt, 28, a first limiting groove, 29, an arc-shaped bolt, 30, a second bolt, 31, a second limiting groove, 32, a spring shaft, 33, a positioner, 34, a pressure sensor, 35, a bump, 36 and a rubber cushion pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a floating plate hoisting device for a track is disclosed, as shown in figure 1, figure 2 and figure 7, a support plate 2 is fixed on a vehicle body 1, a first electric telescopic rod 3 is embedded in the support plate 2, a skid-proof plate 4 is fixed on the upper side of the first electric telescopic rod 3, skid-proof lines are arranged on the skid-proof plate 4, a crane moving wheel 5 is arranged on the upper side of the skid-proof plate 4, a control chamber 6 is arranged on the upper side of the crane moving wheel 5, a control box 7 is arranged in the control chamber 6, the first electric telescopic rod 3 is started under the action of the control box 7, the first electric telescopic rod 3 is upwards stretched to drive the skid-proof plate 4 to upwards move, the four first electric telescopic rods 3 drive the skid-proof plate 4 to carry out angle adjustment, the control chamber 6 is finally adjusted to a stable state to ensure that an operator can not be influenced by terrain in the control chamber 6, an outdoor device shell 8 is arranged on the, and the sound insulation board 9 is fixed on the inner wall of the device outdoor shell 8, the electric wire reel 10 is fixed on the upper side of the device outdoor shell 8, the foam board is fixed on the sound insulation board 9, holes are formed in the foam board, the sound insulation board 9 and the sound insulation foam process noise inside the device outdoor shell 8, noise reduction is transmitted out of the device outdoor shell 8, it is ensured that communication cannot be carried out in a construction site due to too high noise, eardrum is protected from being damaged, the rear side of the control room 6 is provided with the second electric telescopic rod base 11, the second electric telescopic rod base 11 is rotatably connected with the second electric telescopic rod 12, the front end and the rear end of the left side of the second electric telescopic rod 12 are both fixed with the connecting rods 13, and one end of each connecting rod 13 is fixed with the fixing.
As shown in fig. 1, 3 and 4, a first pulley housing 15 is fixed on the front side of the second electric telescopic rod 12, the first pulley housing 15 is rotatably connected with a first pulley 16, a fixing rod 17 is fixed on the first pulley housing 15, the fixing rod 17 is slidably connected with a second pulley housing 18 and a second pulley 19, the second pulley housing 18 and the fixing rod 17 are both rotatably connected with a second pulley 19, one end of the fixing plate 14 is fixed with a third electric telescopic rod 20, one end of the third electric telescopic rod 20 is fixed with the second pulley housing 18, the lower side of the steel cable 21 is slidably connected with a third pulley 22, the lower side of the third pulley 22 is fixed with a hook 23, one end of the steel cable 21 is wound on the electric wire spool 10, and the other end of the steel cable 21 is finally connected with the third pulley 22 through the first pulley 16 and the second pulley 19 respectively, the electric wire spool 10 is started under the action of the control box 7, the steel rope on the electric wire spool 10 drives the three third pulleys 22 of downside to move downwards through the first pulley 16 and the second pulley 19, the third pulley 22 moves downwards to drive the hook 23 to move downwards, the hook 23 moves downwards to drive the bearing rope 24 to move downwards, the three bearing rope 24 fixes the floating plate, so that the bearing rope 24 on the lower side of the first pulley 16 can continue to fix the bearing rope 24 under the second pulley 19 when being broken, so that the floating plate cannot fall to the ground to cause danger, the personnel safety and the property safety are ensured.
As shown in fig. 1, 5, 6 and 8, a bearing rope 24 is fixed on the lower side of a hook 23, a floating plate 25 is fixed on the lower side of the bearing rope 24, a rubber cushion 36 is arranged between the floating plates 25, a right floating plate 25 is fixed on the left floating plate 25 through a shear hinge 26 and a first bolt 27, the floating plate 25 and the shear hinge 26 form a disassembly and assembly structure through the first bolt 27, three first limit grooves 28 are provided, arc-shaped bolts 29 are arranged in the three first limit grooves 28, a computer end is remotely connected with a positioner 33 and a pressure sensor 34, when a pressure value of a joint of the floating plate 25 and other joints is greatly deviated after a vehicle runs for a long time, the pressure sensor 34 transmits pressure information when the vehicle passes through the computer end, the computer end judges the pressure information, and when the maintenance is needed, a worker can find the place needing to be maintained through the positioner 33, artificially rotate first bolt 27 and second bolt 30 through the instrument, shear force hinge 26 and the separation of floating plate 25, artificially take out arc bolt 29, two floating plate 25 separate each other, just can change floating plate 25, and is simple in operation, and convenient, therefore, the clothes hanger is strong in practicability, first spacing groove 28 has been seted up on the floating plate 25, and be provided with arc bolt 29 in the first spacing groove 28, arc bolt 29 threaded connection has second bolt 30 simultaneously, second spacing groove 31 has been seted up to floating plate 25 downside, and second spacing groove 31 is inside to be provided with spring shaft 32, spring shaft 32 upside is inlayed and is had locator 33, and spring shaft 32 upside is fixed with pressure sensor 34, pressure sensor 34 upside is fixed with lug 35 simultaneously.
The working principle is as follows: when the floating plate hoisting equipment for the track is used, an external power supply is switched on, the hoisting device is moved to a required position through the vehicle body 1, the first electric telescopic rods 3 are started under the action of the control box 7, the first electric telescopic rods 3 are upwards stretched to drive the antiskid plates 4 to upwards move, the four first electric telescopic rods 3 drive the control chamber 6 to carry out angle adjustment through the antiskid plates 4, finally, the control chamber 6 is adjusted to a stable state, the electric wire spool 10 is started under the action of the control box 7, steel ropes on the electric wire spool 10 drive the lower three third pulleys 22 to downwards move through the first pulleys 16 and the second pulleys 19, the third pulleys 22 downwards move to drive the hooks 23 to downwards move, the hooks 23 downwards move to drive the bearing ropes 24 to downwards move, and the distance between the second pulleys 19 is adjusted according to the length and the width of the floating plates 25, the third electric telescopic rod 20 is started, the third electric telescopic rod 20 drives the second pulley shell 18 to move, the second pulley shell 18 moves to drive the second pulley 19 to move, the second pulley 19 moves to drive the bearing rope 24 to move to a required position through the third pulley 22 and the hook 23, the three bearing ropes 24 fix the floating plate, the floating plate 25 moves to the required position, for example, when the bearing rope 24 at the lower side of the first pulley 16 is broken, the bearing rope 24 at the lower side of the second pulley 19 can also continue to work, a large amount of noise is generated during the operation of the whole device, the noise insulation plate 9 and the noise insulation foam treat the noise inside the outdoor shell 8 of the device, the noise is reduced to be transmitted out of the outdoor shell 8 of the device, the situation that the communication cannot be carried out due to overlarge noise at a construction site is ensured, after the floating plate 25 is installed and used for a long time, when the pressure value deviation between the joint of the floating plate 25 and other joints is large, the pressure sensor 34 transmits the pressure information of the passing vehicle to the computer, the computer judges the pressure information, if the pressure information needs to be maintained, a worker can find the position needing to be maintained through the positioner 33, the first bolt 27 and the second bolt 30 are manually rotated through a tool, the shear hinge 26 is separated from the floating plate 25, the arc-shaped bolt 29 is manually taken out, the two floating plates 25 are separated from each other, and the floating plate 25 can be maintained or replaced, and the content which is not described in detail in the specification belongs to the prior art which is known by technicians in the field.
The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a floating plate lifting device for track, includes car body (1) and steel cable (21), its characterized in that: the novel electric bicycle is characterized in that a supporting plate (2) is fixed on the bicycle body (1), a first electric telescopic rod (3) is embedded in the supporting plate (2), an anti-skid plate (4) is fixed on the upper side of the first electric telescopic rod (3), a device outdoor shell (8) is arranged on the right side of the control chamber (6), a sound insulation plate (9) is fixed on the inner wall of the device outdoor shell (8), an electric wire winding disc (10) is fixed on the upper side of the device outdoor shell (8), a second electric telescopic rod base (11) is arranged on the rear side of the control chamber (6), a second electric telescopic rod (12) is rotatably connected onto the second electric telescopic rod base (11), connecting rods (13) are fixed on the front and rear ends of the left side of the second electric telescopic rod (12), a fixing plate (14) is fixed on one end of each connecting rod (13), a first pulley (15) is fixed on the front side of, and the first pulley shell (15) is rotationally connected with a first pulley (16), the first pulley shell (15) is fixed with a fixing rod (17), the fixing rod (17) is slidably connected with a second pulley shell (18) and a second pulley (19), the second pulley shell (18) and the fixing rod (17) are rotationally connected with the second pulley (19), one end of the fixing plate (14) is fixed with a third electric telescopic rod (20), one end of the third electric telescopic rod (20) is fixed with the second pulley shell (18), the lower side of the steel rope (21) is slidably connected with a third pulley (22), the lower side of the third pulley (22) is fixed with a hook (23), the lower side of the hook (23) is fixed with a bearing rope (24), the lower side of the bearing rope (24) is fixed with a floating plate (25), and a rubber buffer cushion (36) is arranged between the floating plates (25), and left side floating plate (25) have right side floating plate (25) through shear force hinge (26) and first bolt (27) threaded fixation, first spacing groove (28) have been seted up on floating plate (25), and are provided with arc bolt (29) in first spacing groove (28), and arc bolt (29) threaded connection has second bolt (30) simultaneously, second spacing groove (31) have been seted up to floating plate (25) downside, and second spacing groove (31) inside is provided with spring axle (32), inlay locator (33) on spring axle (32) upside, and spring axle (32) upside is fixed with pressure sensor (34), and pressure sensor (34) upside is fixed with lug (35) simultaneously.
2. The floating slab hoisting device for the track as claimed in claim 1, wherein: and anti-skid lines are arranged on the anti-skid plate (4).
3. The floating slab hoisting device for the track as claimed in claim 1, wherein: the anti-skid device is characterized in that a crane moving wheel (5) is arranged on the upper side of the anti-skid plate (4), an operation and control chamber (6) is arranged on the upper side of the crane moving wheel (5), and a control box (7) is arranged inside the operation and control chamber (6).
4. The floating slab hoisting device for the track as claimed in claim 1, wherein: and a foam board is fixed on the sound insulation board (9), and holes are formed in the foam board.
5. The floating slab hoisting device for the track as claimed in claim 1, wherein: one end of the steel rope (21) is wound on the electric wire spool (10), and the other end of the steel rope (21) is connected with the third pulley (22) through the first pulley (16) and the second pulley (19) finally.
6. The floating slab hoisting device for the track as claimed in claim 1, wherein: the floating plate (25) and the shear hinge (26) form a dismounting and mounting structure through a first bolt (27).
7. The floating slab hoisting device for the track as claimed in claim 1, wherein: holes with the same diameter are distributed on the sound insulation foam (28) at equal intervals.
8. The floating slab hoisting device for the track as claimed in claim 1, wherein: the number of the first limiting grooves (28) is three, and arc-shaped bolts (29) are arranged in the three first limiting grooves (28).
9. The floating slab hoisting device for the track as claimed in claim 1, wherein: the locator (33) and the pressure sensor (34) are remotely connected with a computer terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910951687.XA CN110593029B (en) | 2019-10-09 | 2019-10-09 | Floating plate lifting device for track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910951687.XA CN110593029B (en) | 2019-10-09 | 2019-10-09 | Floating plate lifting device for track |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110593029A true CN110593029A (en) | 2019-12-20 |
| CN110593029B CN110593029B (en) | 2023-05-23 |
Family
ID=68865774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910951687.XA Active CN110593029B (en) | 2019-10-09 | 2019-10-09 | Floating plate lifting device for track |
Country Status (1)
| Country | Link |
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| CN (1) | CN110593029B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1367907A (en) * | 1920-09-04 | 1921-02-08 | Donald S Andrews | Hoisting and conveying device |
| US1744392A (en) * | 1924-01-03 | 1930-01-21 | Legrand Jules | Foldable hoisting apparatus for the loading and unloading of rails on railway trucks |
| JPH07206377A (en) * | 1994-01-19 | 1995-08-08 | Fujita Corp | Hanging gantry crane |
| CN101748689A (en) * | 2009-12-22 | 2010-06-23 | 衡水华工建工程橡胶有限公司 | High-speed railway hoisting and laying method and special gantry crane running rubber cushion blocks |
| CN201873432U (en) * | 2010-07-08 | 2011-06-22 | 尹学军 | Lifting tool for constructing and installing built-in floating slab ballast bed |
| BRPI1001114A2 (en) * | 2010-04-12 | 2011-12-13 | Ricardo Schechtel | ancillary and material-handling equipment for the construction of railway structures |
| CN203700894U (en) * | 2014-02-25 | 2014-07-09 | 青岛四方车辆研究所有限公司 | Rubber composite spring hoisting tool for floating slab track |
| CN207958877U (en) * | 2017-12-05 | 2018-10-12 | 北京瑞威世纪铁道工程有限公司 | A kind of hanging device for ballastless track of high-speed railway pedestal construction formwork |
-
2019
- 2019-10-09 CN CN201910951687.XA patent/CN110593029B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1367907A (en) * | 1920-09-04 | 1921-02-08 | Donald S Andrews | Hoisting and conveying device |
| US1744392A (en) * | 1924-01-03 | 1930-01-21 | Legrand Jules | Foldable hoisting apparatus for the loading and unloading of rails on railway trucks |
| JPH07206377A (en) * | 1994-01-19 | 1995-08-08 | Fujita Corp | Hanging gantry crane |
| CN101748689A (en) * | 2009-12-22 | 2010-06-23 | 衡水华工建工程橡胶有限公司 | High-speed railway hoisting and laying method and special gantry crane running rubber cushion blocks |
| BRPI1001114A2 (en) * | 2010-04-12 | 2011-12-13 | Ricardo Schechtel | ancillary and material-handling equipment for the construction of railway structures |
| CN201873432U (en) * | 2010-07-08 | 2011-06-22 | 尹学军 | Lifting tool for constructing and installing built-in floating slab ballast bed |
| CN203700894U (en) * | 2014-02-25 | 2014-07-09 | 青岛四方车辆研究所有限公司 | Rubber composite spring hoisting tool for floating slab track |
| CN207958877U (en) * | 2017-12-05 | 2018-10-12 | 北京瑞威世纪铁道工程有限公司 | A kind of hanging device for ballastless track of high-speed railway pedestal construction formwork |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110593029B (en) | 2023-05-23 |
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Address after: 224700 No. 999, Yanhe West Road, Yanhe Town, Jianhu County, Yancheng City, Jiangsu Province Applicant after: Daoerdao Technology Co.,Ltd. Address before: 224700 No. 999, Yanhe West Road, Yanhe Town, Jianhu County, Yancheng City, Jiangsu Province Applicant before: Dao Erdao Technology Co.,Ltd. |
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