CN213974004U - Hydraulic rescue and recovery equipment for motor train unit - Google Patents
Hydraulic rescue and recovery equipment for motor train unit Download PDFInfo
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- CN213974004U CN213974004U CN202023095018.4U CN202023095018U CN213974004U CN 213974004 U CN213974004 U CN 213974004U CN 202023095018 U CN202023095018 U CN 202023095018U CN 213974004 U CN213974004 U CN 213974004U
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- trolley
- motor train
- transverse moving
- train unit
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Abstract
The utility model discloses a EMUs hydraulic pressure rescue equipment of restituting carries out substantively improvement and breakthrough to prior art, can realize that the bogie side frame bottom surface of each EMUs series carries out the needs of rerailing to the different height of rail surface, and the once only accurate rerailing has avoided loaded down with trivial details repeated lifting operation, and the operation of restituting is steady reliable, the security is good, quick accurate, rescue time is short; in the process of resetting the motor car, when the load is transferred, the displacement compensation device on the traverse trolley compensates the curve motion of the motor car to be moved, the optimal stability is ensured, the cylinder body is not inclined, and the complicated and time-consuming positioning operation that a certain included angle is formed between the traverse beam and the relative position of the steel rail during the laying and installation of the traverse beam is saved.
Description
Technical Field
The utility model relates to a railway rescue equipment field, especially EMUs hydraulic pressure rescue equipment of rising again.
Background
In the conventional derailment rescue of the motor train unit, firstly, two single-stage centering oil cylinders are adopted to correspond to lifting support points on two sides of a motor train unit body, the single-stage centering oil cylinders are arranged on a skid which is placed on the ground through a protection seat fixedly connected with the single-stage centering oil cylinders, and the motor train unit body and a bogie are simultaneously jacked up to a certain height by operating the single-stage centering oil cylinders. Then, the traverse beams are arranged in the middle position below the side frame of the motor train unit bogie, two traverse trolleys are arranged on the traverse beams and connected through a traction connecting rod to form a traverse trolley group. The required cushion blocks with different heights are respectively placed on the trolleys. Then, the righting oil cylinder is operated to retract the piston rod of the righting oil cylinder. And the lower plane of the side frame of the bogie of the motor train unit falls on the cushion block on the transverse trolley group. Then, two wheels of the motor train unit trolley are aligned to the steel rail by operating a traverse oil cylinder of the traverse trolley set. And thirdly, replacing the paddings on the ground at the new positions relative to the lifting support points on the two sides of the motor train unit body, placing the single-stage centering oil cylinder on the paddings through the protection seat fixedly connected with the single-stage centering oil cylinder, operating the single-stage centering oil cylinder, and lifting a piston rod of the single-stage centering oil cylinder to jack up the motor train unit. The lower plane of the side beam of the trolley leaves the cushion block, and then the trolley group, the cross sliding beam and the like are moved out. And operating the single-stage centralizing oil cylinder again, retracting a piston rod of the single-stage centralizing oil cylinder until two wheel pairs of the motor train unit bogie return to the track, and completing the rerailing operation. The disadvantages are as follows: in the lifting operation process, the single-stage righting oil cylinder is used for repeatedly jacking the train body of the motor train unit at least more than two times; the lifting operation process is complicated, and the rescue time is long; in the process of resetting the trolley, the load transfer enables the moving motor car to do curvilinear motion, so that the trolley does arc motion on the cross sliding beam, and great danger exists; if the curve derails, the low rail side of the motor train cannot stably fall on the rail surface after jacking, and special curve rescue equipment needs to be used for rescue. The prior art is not seen yet: the hydraulic rescue lifting device for the motor train unit can finish transverse movement and reset once and solve the problems of lateral movement of a transverse trolley in the reset process and height drop of curve retracing by adopting a hydraulic oil cylinder support type directly supporting a bogie, and is disclosed in the literature report and practical application.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a motor car hydraulic pressure rescue equipment of rising again to solve the defect that exists among the prior art and not enough.
In order to achieve the above purpose, the following technical scheme is provided:
the hydraulic rescue lifting device for the motor train unit comprises two righting oil cylinders, two oil cylinder protection seats, an oil cylinder base, two lifting oil cylinders, a transverse trolley group, a transverse beam, a lock hook, a special spherical jacking support and a spherical ejector rod; the centralizing oil cylinders are fixedly connected with the oil cylinder protection seats and are located on the bolster beams below the vertexes of the two sides of the vehicle body, and the top ends of the two centralizing oil cylinders are in contact connection with the vertexes of the two sides of the vehicle body; the transverse moving beam is vertically laid on the steel rail surface, and the transverse moving trolley group is located on the transverse moving beam; the two lifting oil cylinders are respectively located on two transverse trolleys of the transverse trolley group, the top ends of the lifting oil cylinders are in contact connection with the corresponding top points of the lower plane of the bogie side frame, and the transverse trolley group is formed by connecting a power transverse trolley and an unpowered transverse trolley through a traction connecting rod.
As a preferred scheme, a transverse moving oil cylinder is arranged in the power transverse moving trolley, and a trolley anti-sliding device is arranged on the power transverse moving trolley.
Preferably, the traction connecting rod is provided with a length adjusting screw rod.
As a preferred scheme, the distance between the power transverse moving trolley and the unpowered transverse moving trolley is set through a length adjusting screw rod of the traction connecting rod, and the lifting operation of various vehicle types and different vertex positions is met.
As a preferred scheme, the power transverse moving trolley and the unpowered transverse moving trolley are both provided with displacement compensation devices.
Preferably, the upper planes of the traverse trolley groups are provided with smooth surfaces with high smoothness, and the middle parts of the traverse trolley groups are provided with displacement compensation grooves.
As a preferred scheme, the transverse moving beam is provided with a groove, so that the transverse moving oil cylinder can move in the groove along with the power transverse moving trolley, and the assembly height of the whole set of equipment is reduced.
The utility model has the advantages that:
1. the method has the advantages that substantial improvement and breakthrough are carried out on the prior art, the requirement that the lower planes of the side frames of the bogie of each motor train unit series are different in height from the rail surface can be met, accurate rerailing can be realized at one time, tedious repeated lifting operation is avoided, the lifting and rerailing operation is stable and reliable, the safety is good, the speed is high, the accuracy is high, and the rescue time is short;
2. in the resetting process of the motor car, when the load is transferred, the displacement compensation device on the traverse trolley compensates the curve motion of the motor car to be moved, so that the optimal stability is ensured without inclining a cylinder body, and the complicated and time-consuming positioning operation that a certain included angle is formed between the traverse beam and the relative position of a steel rail when the traverse beam is laid and installed is saved;
3. if when the curve derails, the utility model discloses utilize one to right hydro-cylinder, a hydro-cylinder protect seat, hydro-cylinder base, special ball-type top support, ball-type ejector pin, tool to lock couple and constitute curve rescue device, supplementary completion curve operating mode rescue operation.
4. The utility model discloses can realize propping up, sideslip and reseing to EMUs such as current CRH1, CRH2, CRH3, CRH5 and compound xing number.
Drawings
FIG. 1 is a schematic structural diagram (a device laying form) of a hydraulic rescue lifting device of a motor train unit;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic diagram of a device using structure under a curved working condition (a device laying mode);
FIG. 4 is a schematic diagram of the auxiliary rescue under the curve condition in FIG. 3;
FIG. 5 is a schematic view of a powered traversing carriage;
FIG. 6 is a schematic structural view of the unpowered traverse carriage;
FIG. 7 is a schematic illustration of a traverser structure;
in the figure: 1. the device comprises a righting oil cylinder, 2 an oil cylinder protecting seat, 3 an anti-sliding device, 4 a lifting oil cylinder, 6 a cushion beam, 7 a transverse moving beam, 8 a traction connecting rod, 9 a length adjusting screw rod, 10 an oil cylinder base, 51 a power transverse moving trolley, 52 an unpowered transverse moving trolley, 53 a high-finish smooth surface, 54 a transverse moving trolley displacement compensation device, 55 a displacement compensation groove, 56 a transverse moving oil cylinder, 71 a groove, 101 a lockset hook, 102 a special spherical jacking and 103 a spherical ejector rod.
Detailed Description
The following describes the present design in detail with reference to the accompanying drawings.
As shown in fig. 1 to 7, the hydraulic rescue lifting device for the motor train unit comprises two righting oil cylinders 1, two oil cylinder protection seats 2, an oil cylinder base 10, two lifting oil cylinders 4, a traverse trolley group, a traverse beam 7, a lock hook 101, a special spherical jacking 102 and a spherical ejector rod assembly 103; the centralizing oil cylinders 1 are fixedly connected with oil cylinder protection seats 10 and are located on the bolster beams 6 below the vertexes of the two sides of the vehicle body, and the top ends of the two centralizing oil cylinders 1 are in contact connection with the vertexes of the two sides of the vehicle body; the traverse beam 7 is vertically laid on the steel rail surface, and the traverse trolley group is located on the traverse beam 7; two lifting oil cylinders 4 are respectively located on two transverse trolleys of a transverse trolley group, the top ends of the lifting oil cylinders 4 are in contact connection with the corresponding top points of the bottom surface of a bogie side frame, and the transverse trolley group is formed by connecting a power transverse trolley 51 and an unpowered transverse trolley 52 through a traction connecting rod 8.
Wherein, a traverse oil cylinder 56 is arranged in the power traverse trolley 51, the traverse oil cylinder 56 is respectively arranged in the groove of the power traverse trolley 51 and the traverse beam 7 in half, and a trolley anti-slip device 3 is arranged on the power traverse trolley 51.
Wherein, the traction connecting rod 8 is provided with a length adjusting screw 9.
The distance between the power transverse moving trolley 51 and the unpowered transverse moving trolley 52 is set through the length adjusting screw rod 9 of the traction connecting rod 8, and lifting operation of various vehicle types and different vertex positions is met.
Wherein the powered traverse carriage 51 and the unpowered traverse carriage 52 are provided with displacement compensation devices 54.
Wherein, the upper planes of the power transverse moving trolley 51 and the unpowered transverse moving trolley 52 are both provided with high-finish smooth surfaces 53, and the middle parts thereof are both provided with displacement compensation grooves 55.
The groove 71 is formed in the traverse beam, so that the traverse oil cylinder can move in the groove 71 along with the power traverse trolley, and the assembly height of the whole set of equipment is reduced.
Examples
As shown in fig. 1 to 7, when performing rescue re-rail operation on a derailed motor train unit, first, two single-stage centralizing cylinders 1 are respectively used for corresponding to the top points fixed on the derailed motor train unit train body, and the motor train unit and a bogie are jacked up to a certain height. Then, a pad beam 6 is placed on the ground of one side of the derailed railcar which is located below the middle of the side frame of the bogie and is deviated from the two rails, the pad beam 6 is similarly placed on the ground of the other side, a traverse beam 7 and the like are placed on the two pad beams 6 and the two rails, a power traverse trolley 51 and an unpowered traverse trolley 52 are placed on the traverse beam 7, and the two traverse trolleys are connected through a traction link 8 to form a traverse trolley group. A transverse moving oil cylinder 56 is arranged in a power transverse moving trolley 51 in a transverse moving trolley group, the transverse moving oil cylinder 56 is respectively arranged in the power transverse moving trolley 51 and a groove of a transverse moving beam 7 in a half mode, an anti-sliding device 3 is additionally arranged on the power transverse moving trolley 51, and the anti-sliding device 3 is embedded and clamped with a plurality of small square holes arranged on the groove of the transverse moving beam 7. Two transverse trolleys of the transverse trolley group are respectively provided with a lifting oil cylinder 4, the lifting oil cylinders 4 are controlled to lift through a control valve of a hydraulic system, the centralizing oil cylinders 1 on two sides fall back to enable bogie side frames of the transverse trolley group to fall on top supports of the lifting oil cylinders 4, the centralizing oil cylinders 1 on two sides are removed, the transverse trolley group is controlled to move through the control valve of the hydraulic system, wheel pairs are aligned with steel rails, the lifting oil cylinders 4 are controlled to fall back, and rescue and recovery operation is finished.
Referring to fig. 3 and 4, when the hydraulic rescue lifting equipment of the motor train unit carries out rescue and rail-restoring operation on the derailed motor train unit, if the situation is in a curve area, after the wheel of the traversing motor train unit is moved to be aligned with the steel rail, the lifting oil cylinder 4 is fallen back, the wheel pair is in contact with the curve high-side steel rail in advance, when the wheel pair is in a state of being in a curve, the state of being in a state of, and withdrawing the equipment and finishing rescue.
The hydraulic system for controlling the operation of the two righting cylinders 1, the two lifting cylinders 4 and the traversing carriage group 5 is well known to those skilled in the art.
The embodiment of this specific implementation is the preferred embodiment of the present invention, and does not limit the protection scope of the utility model according to this, so: all equivalent changes made according to the structure, shape, principle, etc. of the utility model should be covered within the protection scope of the utility model.
Claims (7)
1. The hydraulic rescue lifting device for the motor train unit comprises two righting oil cylinders, two oil cylinder protection seats, an oil cylinder base, two lifting oil cylinders, a transverse trolley group, a transverse beam, a lock hook, a special spherical jacking support and a spherical ejector rod; the centralizing oil cylinders are fixedly connected with the oil cylinder protection seats and are located on the bolster beams below the vertexes of the two sides of the vehicle body, and the top ends of the two centralizing oil cylinders are in contact connection with the vertexes of the two sides of the vehicle body; the transverse moving beam is vertically laid on the steel rail surface, and the transverse moving trolley group is located on the transverse moving beam; two play to rise the hydro-cylinder and sit respectively on two sideslip dollies of sideslip dolly group, play to rise the hydro-cylinder top and correspond the summit contact with the bogie side frame lower plane and be connected its characterized in that: the traverse trolley group is formed by connecting a power traverse trolley and an unpowered traverse trolley through a traction connecting rod.
2. The hydraulic rescue lifting device for motor train unit according to claim 1, wherein a traverse cylinder is arranged in the power traverse trolley, and a trolley anti-slip device is arranged on the power traverse trolley.
3. The hydraulic rescue lifting device for motor train units according to claim 1, wherein a length adjusting screw is arranged on the traction connecting rod.
4. The hydraulic rescue lifting device for the motor train unit according to claim 1 or 3, wherein the distance between the power transverse moving trolley and the unpowered transverse moving trolley is set through a length adjusting screw rod of the traction connecting rod, so that lifting operation of various motor types and different vertex positions is met.
5. The hydraulic rescue lifting device for motor train units according to claim 1, wherein the powered traverse carriage and the unpowered traverse carriage are both provided with displacement compensation devices.
6. The hydraulic rescue and recovery device for motor train units according to claim 5, wherein the upper planes of the traverse trolley sets are provided with smooth surfaces with high smoothness, and the middle parts of the traverse trolley sets are provided with displacement compensation grooves.
7. The hydraulic rescue lifting device for the motor train unit according to claim 1, wherein the traverse beam is provided with a groove, so that the traverse cylinder moves along with the power traverse trolley in the groove, and the assembly height of the whole device is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023095018.4U CN213974004U (en) | 2020-12-21 | 2020-12-21 | Hydraulic rescue and recovery equipment for motor train unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023095018.4U CN213974004U (en) | 2020-12-21 | 2020-12-21 | Hydraulic rescue and recovery equipment for motor train unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213974004U true CN213974004U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023095018.4U Active CN213974004U (en) | 2020-12-21 | 2020-12-21 | Hydraulic rescue and recovery equipment for motor train unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213974004U (en) |
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2020
- 2020-12-21 CN CN202023095018.4U patent/CN213974004U/en active Active
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