CN211772465U - Track jack for railway maintenance - Google Patents
Track jack for railway maintenance Download PDFInfo
- Publication number
- CN211772465U CN211772465U CN201922223193.8U CN201922223193U CN211772465U CN 211772465 U CN211772465 U CN 211772465U CN 201922223193 U CN201922223193 U CN 201922223193U CN 211772465 U CN211772465 U CN 211772465U
- Authority
- CN
- China
- Prior art keywords
- cantilever beam
- lifting block
- railway maintenance
- connecting rod
- type connector
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 238000012423 maintenance Methods 0.000 title claims abstract description 18
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims 5
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 5
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Machines For Laying And Maintaining Railways (AREA)
Abstract
The utility model discloses a rail jack that railway maintenance used, including the cantilever beam, lift by crane the piece, and the double-layered rail ware that is four-bar linkage, the double-layered rail ware is including corresponding respectively to set up in two pairs of upper connecting rods of cantilever beam both sides, every right it all articulates in the middle part of cantilever beam to go up the connecting rod, with be equipped with the couple on the articulated lower connecting rod of upper connecting rod lower extreme, every right the well upper portion of connecting rod articulates together down, the one end of cantilever beam is rotated and is connected in the upper end of stationary mast, the other end of cantilever beam is connected on the fixing base, the fixing base sets up in hydraulic jack's upper end, it sets up the couple hole that is used for hanging the couple to lift by crane to offer on the medial surface of piece, the lateral surface that lifts by crane the piece is the arc. The utility model discloses make the railway rails maintenance more convenient.
Description
Technical Field
The utility model relates to a technical field is maintained to the railway, concretely relates to railway maintains plays capable ware of usefulness.
Background
The railway track can cause the track height bad under the long-term stress action of train, influences train operation safety. The railway department mostly adopts a method of combining pads under steel rails to adjust the level of the two steel rails so as to reach the line operating standard. Track lifters are used as common tools for rail track lifting maintenance.
A published utility model patent, entitled hydraulic rail jack for railway track, publication No. CN 207998763U,
grant notice day 2018.10.23, this patent has been solved because of on the railway whole crossing plate, switch district etc. partial key section receive space restriction and do not possess the problem of using ordinary hydraulic pressure track jack, has improved maintenance efficiency and has reduced maintenance personal's intensity of labour, but the utility model discloses in use utilizes below two connecting rods lower extreme area couple to hook the rail and slowly promotes the rail to needs the height again, because the area of contact between couple and the rail is less, therefore, the firm in connection between couple and the rail need improve in the working process, otherwise can have the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rail jack of railway maintenance usefulness, it can effectively solve the technical problem who mentions in the background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the rail clamping device comprises two pairs of upper connecting rods which are correspondingly arranged on two sides of the cantilever beam respectively, each pair of upper connecting rods are hinged to the middle of the cantilever beam, a hook is arranged on a lower connecting rod hinged to the lower end of each upper connecting rod, the middle upper parts of the lower connecting rods are hinged together, one end of the cantilever beam is rotatably connected to the upper end of a fixed stand column, the other end of the cantilever beam is connected to a fixed seat, the fixed seat is arranged at the upper end of a hydraulic jack, hook holes used for hanging the hooks are formed in the inner side surface of the lifting block, the outer side surface of the lifting block is of an arc-shaped surface structure, and a buffer layer is arranged on the arc-shaped surface of the lifting block.
Preferably, still include the axis of rotation, the upper end of stationary mast and fixing base all is equipped with U type connector, the one end of cantilever beam sets up in the U type connector that is located the stationary mast top, the other end of cantilever beam sets up in the U type connector that is located the fixing base top, and the one end of axis of rotation is connected with the stopper, the other end of axis of rotation passes U type connector and cantilever beam back connection lock nut.
Preferably, the two side walls of the cantilever beam positioned in the U-shaped connector are provided with lubricating layers.
Preferably, the cushioning layer is made of an elastic wear-resistant material.
Preferably, a supporting seat is arranged below the fixed upright post, a threaded hole is formed in the bottom of the fixed upright post, a screw rod is fixedly connected to the supporting seat, and the screw rod is connected with the threaded hole.
Preferably, the hook hole is located at the middle position of the lifting block.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the hydraulic jack is utilized by a worker to lift one end of the cantilever beam upwards, at the moment, the other end of the cantilever beam rotates around the rotating shaft in the U-shaped connector, the lifting block on the hook can slowly lift the steel rail to a required height, the length of the lifting block can be designed according to requirements, firm contact between the lifting block and the steel rail is guaranteed, and safety in the steel rail lifting process is greatly improved; the outer side surface of the lifting block is provided with the buffer layer, so that violent collision and noise in the process that the lifting block is contacted with the steel rail from the beginning to apply enough lifting force to the steel rail are avoided under the action of the buffer layer.
2. The utility model discloses the practicality finishes the back, only needs to unload lock nut from the axis of rotation, can take the axis of rotation out from U type connector to make the change of the ware of getting up of this railway maintenance usefulness deposit or transport convenient, the part of being convenient for moreover.
Drawings
Fig. 1 is a schematic structural view of a track jack for railway maintenance according to an embodiment of the present invention;
FIG. 2 is a schematic view of the connection structure between the U-shaped connector and the fixed post and the fixed base in the embodiment of the present invention;
FIG. 3 is a schematic structural view of a lifting block in an embodiment of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a schematic view of the structure of the cantilever beam of FIG. 3;
in the figure, the device comprises a cantilever beam 1, a cantilever beam 2, a lifting block 3, an upper connecting rod 4, a lower connecting rod 5, a hook 6, a fixed upright post 7, a fixed seat 8, a hydraulic jack 9, a buffer layer 10, a rotating shaft 11, a U-shaped connector 12, a locking nut 13, a lubricating layer 14, a supporting seat 15, a screw rod 16 and a hook hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, a track lifting device for railway maintenance comprises a cantilever beam 1, a lifting block 2 and a rail clamping device with a four-bar linkage, wherein the rail clamping device comprises two pairs of upper connecting bars 3 respectively and correspondingly arranged at two sides of the cantilever beam 1, each pair of upper connecting bars 3 is hinged at the middle part of the cantilever beam 1, a hook 5 is arranged on a lower connecting bar 4 hinged at the lower end of the upper connecting bar 3, the middle upper parts of each pair of lower connecting bars 4 are hinged together, one end of the cantilever beam 1 is rotatably connected at the upper end of a fixed upright post 6, the other end of the cantilever beam 1 is connected on a fixed seat 7, the fixed seat 7 is arranged at the upper end of a hydraulic jack 8, a hook hole 16 for hanging the hook 5 is arranged on the inner side surface of the lifting block 2, the hook hole 16 is arranged at the middle position of the lifting block 2, the outer side surface of the lifting block 2 is in, the arc-shaped surface of the lifting block 2 is provided with a buffer layer 9, and the buffer layer 9 is made of elastic wear-resistant materials.
Railway maintenance uses plays capable ware and still includes axis of rotation 10, the upper end of stationary mast 6 and fixing base 7 all is equipped with U type connector 11, the one end of cantilever beam 1 sets up in the U type connector 11 that is located the stationary mast 6 top, the other end of cantilever beam 1 sets up in the U type connector 11 that is located the fixing base 7 top, and the one end of axis of rotation 10 is connected with the stopper, the other end of axis of rotation 10 passes and connects lock nut 12 behind U type connector 11 and the cantilever beam 1, is located be equipped with lubricant film 13 on the 1 both sides wall of cantilever beam in the U type connector 11, the below of stationary mast 6 is provided with supporting seat 14, the bottom of stationary mast 6 is provided with the screw hole, fixedly connected with screw rod 15 on the supporting seat 14, screw rod 15 is connected with the screw hole.
The hydraulic jack 8 is utilized by a worker to lift one end of the cantilever beam 1 upwards, at the moment, the other end of the cantilever beam 1 rotates around the rotating shaft 10 in the U-shaped connector 11, the lifting block 2 on the hook 5 can slowly lift the steel rail to a required height, the length of the lifting block 2 can be designed according to requirements, firm contact between the lifting block 2 and the steel rail is ensured, and the safety of the steel rail in the lifting process is greatly improved; the outer side surface of the hoisting block 2 is provided with the buffer layer, so that the hoisting block 2 and the steel rail are prevented from being in contact with each other from the beginning to exert enough lifting force on the steel rail, and violent collision and noise are avoided. The utility model discloses the practicality finishes the back, only needs to unload lock nut 12 from axis of rotation 10, can take the axis of rotation out from U type connector 11 to make the change of the parts of being convenient for moreover of depositing or transporting of this railway track jack of maintaining usefulness.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or scope of the invention as defined in the accompanying claims.
Claims (6)
1. The utility model provides a rail jack that railway maintenance used, includes the cantilever beam and is four-bar linkage's rail clamp, rail clamp is including corresponding two pairs of upper links that set up respectively in the cantilever beam both sides, and every pair the upper link all articulates in the middle part of cantilever beam, with be equipped with the couple on the articulated lower connecting rod of upper link lower extreme, every pair the well upper portion of lower connecting rod articulates together, its characterized in that: the hydraulic lifting device is characterized by further comprising a lifting block, one end of the cantilever beam is rotatably connected to the upper end of the fixed stand column, the other end of the cantilever beam is connected to the fixed seat, the fixed seat is arranged at the upper end of the hydraulic jack, a hook hole used for hanging a hook is formed in the inner side face of the lifting block, the outer side face of the lifting block is of an arc-shaped face structure, and a buffer layer is arranged on the arc-shaped face of the lifting block.
2. A track starter for railway maintenance according to claim 1, characterized in that: still include the axis of rotation, the upper end of stationary mast and fixing base all is equipped with U type connector, the one end of cantilever beam sets up in the U type connector that is located the stationary mast top, the other end of cantilever beam sets up in the U type connector that is located the fixing base top, and the one end of axis of rotation is connected with the stopper, the other end of axis of rotation passes and connects lock nut behind U type connector and the cantilever beam.
3. A track starter for railway maintenance according to claim 2, characterized in that: and lubricating layers are arranged on two side walls of the cantilever beam positioned in the U-shaped connector.
4. A track starter for railway maintenance according to any one of claims 1 to 3, characterized in that: the buffer layer is made of elastic wear-resistant materials.
5. A track starter for railway maintenance according to claim 4, characterized in that: the supporting seat is arranged below the fixed stand column, a threaded hole is formed in the bottom of the fixed stand column, a screw rod is fixedly connected to the supporting seat, and the screw rod is connected with the threaded hole.
6. A track starter for railway maintenance according to claim 5, characterized in that: the hook hole is positioned in the middle of the lifting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922223193.8U CN211772465U (en) | 2019-12-12 | 2019-12-12 | Track jack for railway maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922223193.8U CN211772465U (en) | 2019-12-12 | 2019-12-12 | Track jack for railway maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211772465U true CN211772465U (en) | 2020-10-27 |
Family
ID=72981199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922223193.8U Expired - Fee Related CN211772465U (en) | 2019-12-12 | 2019-12-12 | Track jack for railway maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211772465U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116143015A (en) * | 2023-04-17 | 2023-05-23 | 四川航泰航空装备有限公司 | Ox head machine wheel jack and use method thereof |
-
2019
- 2019-12-12 CN CN201922223193.8U patent/CN211772465U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116143015A (en) * | 2023-04-17 | 2023-05-23 | 四川航泰航空装备有限公司 | Ox head machine wheel jack and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 |