CN211731385U - Derailing and rerailing equipment suitable for 100% low-floor tramcar - Google Patents
Derailing and rerailing equipment suitable for 100% low-floor tramcar Download PDFInfo
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- CN211731385U CN211731385U CN202020126087.8U CN202020126087U CN211731385U CN 211731385 U CN211731385 U CN 211731385U CN 202020126087 U CN202020126087 U CN 202020126087U CN 211731385 U CN211731385 U CN 211731385U
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Abstract
The utility model discloses a derail equipment of repeating suitable for 100% low-floor tram, its characterized in that: comprises a lifting device at two sides of the vehicle and a lifting device at the bottom of the vehicle; the lifting devices on the two sides of the trolley comprise a lifting tool and a jacking oil cylinder special for the tramcar; the lifting tool is provided with a first supporting part inserted into a side driving hole of the tramcar and a second supporting part for supporting the top of the jacking oil cylinder, and the lifting tool is structured in such a way that the height of the second supporting part is higher than that of the first supporting part; the vehicle bottom lifting device comprises a lifting component and a transverse moving component. According to the characteristics of the tramcar, a structural form of a driving hole on the side surface of the car body is combined, a whole set of derailing reset device of the low-floor tramcar, which comprises a lifting tool, two-side jacking oil cylinders and a straight-top transverse moving device, is designed, and the rapid rerailing rescue operation of the derailed train can be realized.
Description
Technical Field
The utility model belongs to track traffic process equipment field, concretely relates to derail and rise equipment suitable for 100% low-floor tram.
Background
Compared with a subway train with completely independent right of way, derailment can be caused by external collision, overspeed, undersized turning radius or wheel set failure in the normal running process of a 100% low-floor tramcar. Research results show that when the tramcar is laterally impacted by the car at the speed of 20km/h at a level crossing, the maximum derailment coefficient of the tramcar reaches 1.63, and the tramcar has a larger derailment risk; in addition, when the automobile impacts the front end head and the rear end head of the tramcar, the transverse impact force born by the impacted vehicle can be transmitted to other vehicles only through the workshop hinge structure on one side, so that the possibility of derailing of the tramcar is high; meanwhile, if the friction coefficient of the wheel rail is reduced due to weather factors such as rain, snow and the like, the braking capacity of the steel rail on the movement of the wheel is weakened, the overspeed passing curve can be caused, and the derailment risk of the tramcar is increased. And after the tramcar has a derailment accident, the re-rail operation is required to be quickly carried out, and the line operation is recovered. However, the existing derailment and rerailing equipment is complete equipment for subways, and currently adopted rerailing equipment and a method are as follows:
firstly, placing a three-stage oil cylinder at the bottom of a train, and jacking a derailed train to be 10-20 cm above a rail surface through the oil cylinder; then, the derailed train is translated to the upper part of the rail surface through the cooperation of equipment such as a transverse moving oil cylinder, a transverse moving trolley and the like to complete the rerailing operation.
Because the wheel diameter of the 100% low-floor tramcar is smaller, the floor surface height is lower, the clearance height from the car erecting point under the floor to the rail surface is only about 180mm to 200mm, while the height of the traverser beam of the existing rerailing equipment is 140mm, the height of the traverser is 110mm, the stacking height of the two components is 250mm, which is far more than the height of 180mm to 200mm at the bottom of the 100% low-floor tramcar, and the oil cylinder has no space for installation. Thereby leading to the fact that the existing equipment cannot be used for 100% low-floor tram rerailing operation.
SUMMERY OF THE UTILITY MODEL
To defect more than prior art or improve at least one in the demand, especially for satisfying 100% low-floor tram rerailing operation demand, how under the condition that low-floor tram vehicle bottom headroom is not enough, accomplish the train jacking operation and be the utility model discloses the key technology that needs to solve. The utility model provides a derail equipment of restitution suitable for 100% low-floor tram combines car side driving hole structural style according to the tram characteristics, has designed a whole set of low-floor tram derail resetting means including lifting frock, both sides jacking cylinder, straight top sideslip equipment.
In order to achieve the above object, according to one aspect of the present invention, there is provided a derailing and lifting apparatus for a low-floor tramcar of 100%, comprising a car-both-side lifting device and a car-bottom lifting device;
the lifting devices on the two sides of the trolley comprise a lifting tool and a jacking oil cylinder special for the tramcar; the lifting tool is provided with a first supporting part inserted into a side driving hole of the tramcar and a second supporting part for supporting the top of the jacking oil cylinder, and the lifting tool is structured in such a way that the height of the second supporting part is higher than that of the first supporting part;
the vehicle bottom lifting device comprises a lifting component and a transverse moving component.
Preferably, the lifting component of the vehicle bottom lifting device comprises a cross sliding beam, a cross sliding trolley, a multi-stage oil cylinder and a bracket;
the transverse moving component comprises a transverse moving oil cylinder;
the trolley is characterized in that the transverse beam is arranged on the ground under the trolley bottom, a transverse trolley, a multi-stage oil cylinder and a bracket are sequentially connected to the transverse beam from bottom to top, and the multi-stage oil cylinder lifts the tramcar body through the bracket;
the transverse moving oil cylinder actuates the transverse moving trolley to transversely move the tramcar body.
Preferably, the lifting tool further comprises an intermediate connecting portion for connecting the first supporting portion and the second supporting portion, and the three portions form a substantially zigzag shape.
Preferably, the first support part and/or the intermediate connection part is a seamless steel pipe.
Preferably, a locking mechanism is arranged at the joint of the bracket and the vehicle body.
Preferably, the second support portion is knurled on the bottom surface contacting the lift-up cylinder.
Preferably, a backing plate is padded between the jacking oil cylinder and the ground.
Preferably, the derailing and rerailing equipment further comprises a control platform, and the control platform is connected with and controls the jacking cylinder, the transverse moving trolley, the multi-stage cylinder and the transverse moving cylinder.
Preferably, the traversing speed of the traverse trolley is below 2 m/min.
The above-described preferred features may be combined with each other as long as they do not conflict with each other.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, has following beneficial effect:
1. the utility model discloses a derail equipment of recovering suitable for 100% low-floor tram compares with current derail equipment of recovering, the utility model discloses the biggest characteristics have combined 100% low-floor tram car side also has the structural feature in frame car hole, utility model discloses a whole set of derail reset equipment including both sides lift frock, jacking cylinder and straight top sideslip equipment in. The lifting is carried out on the two sides of the trolley body, so that the problems of small trolley clearance and short space of the low-floor tramcar are thoroughly solved, and the rescue operation is more convenient; meanwhile, the lifting points are arranged on the two sides of the vehicle body, so that the stability of the lifting operation is enhanced, and the safety of the vehicle body lifting operation is greatly improved.
2. The utility model discloses a derail equipment of rising again suitable for 100% low-floor tram when 100% low-floor tram takes place the derailment accident, can realize the quick rerailing rescue operation of derailing train, solved under the condition of taking into account economic nature because of 100% low-floor tram bottom headroom low excessively lead to the unable condition of using of current rescue equipment, have and show practical benefit.
Drawings
FIG. 1 is a schematic view of a normal state of a 100% low-floor tramcar;
fig. 2 is a lifting tool structure diagram of the derailing and rerailing device of the tramcar with 100% low floor according to the embodiment of the invention;
fig. 3 is a side view of a lifting tool of the derailing and rerailing device of the tramcar with 100% low floor according to the embodiment of the present invention;
fig. 4 is a schematic diagram of the derailing and rerailing apparatus suitable for the 100% low-floor tramcar according to the embodiment of the present invention.
The dimensions in the above figures are in mm.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other. The present invention will be described in further detail with reference to the following embodiments.
As a preferred embodiment of the present invention, as shown in fig. 2-4, the present invention provides a derailing and lifting apparatus for a low-floor 100% tramcar, which comprises a car-both-side lifting device and a car-bottom lifting device.
As shown in fig. 2-3, the lifting devices on both sides of the car comprise a lifting tool 1 and a jacking cylinder 2 special for the tramcar; the lifting tool 1 is provided with a first supporting portion inserted into a side driving hole of the tramcar and a second supporting portion for supporting the top of the jacking oil cylinder 2, and the lifting tool 1 is structured in a manner that the height of the second supporting portion is higher than that of the first supporting portion. The lifting tool 1 further comprises an intermediate connecting part which connects the first supporting part and the second supporting part, and the three parts form a Z shape approximately. The first supporting part and/or the middle connecting part are/is a seamless steel pipe. The second supporting part is fixed on the upper part of the middle connecting part, is reinforced through a plurality of toggle plates, and is knurled on the bottom surface contacted with the jacking oil cylinder 2 to increase friction and prevent slipping. Preferably, a backing plate 8 is padded between the jacking cylinder 2 and the ground to stably support. The lifting is carried out on the two sides of the trolley body, so that the problems of small trolley clearance and short space of the low-floor tramcar are thoroughly solved, and the rescue operation is more convenient; meanwhile, the lifting points are arranged on the two sides of the vehicle body, so that the stability of the lifting operation is enhanced, and the safety of the vehicle body lifting operation is greatly improved.
As shown in fig. 4, the underbody lifting device comprises a lifting component and a transverse moving component. The lifting component of the vehicle bottom lifting device comprises a transverse beam 3, a transverse trolley 4, a multi-stage oil cylinder 5 (such as a three-stage oil cylinder) and a bracket 7; the transverse moving component comprises a transverse moving oil cylinder 6; the cross travelling beam 3 is arranged on the ground under the train bottom, the cross travelling trolley 4, the multi-stage oil cylinder 5 and the bracket 7 are sequentially connected to the cross travelling beam 3 from bottom to top, and the multi-stage oil cylinder 5 lifts the tramcar body through the bracket 7; the transverse moving oil cylinder 6 actuates the transverse moving trolley 4 to transversely move the tramcar body. Preferably, a locking mechanism is arranged at the joint of the bracket 7 and the vehicle body, so that the vehicle body is prevented from being inclined during lifting. In the process of transverse movement, in order to prevent the train from overturning, the transverse movement speed of the transverse movement trolley 4 is below 2 m/min.
The derailing and rerailing equipment further comprises a control platform, and the control platform is connected with and controls the jacking oil cylinder 2, the transverse moving trolley 4, the multi-stage oil cylinder 5 and the transverse moving oil cylinder 6.
The utility model discloses a rescue method suitable for 100% low-floor tram's derail jack equipment, because the bottom frame car point of 100% low-floor tram is low to the rail face height, should promote the automobile body to a take the altitude at first, according to 100% low-floor tram's derail accident characteristics, utilize the car side face to drive the hole at first, install the jacking frock in driving the hole; lifting the vehicle body to a position about 10cm higher than the rail surface by using lifting oil cylinders on two sides of the vehicle body; and finally, performing derailing reset operation through straight-top transverse moving equipment including the transverse moving trolley.
The method specifically comprises the following steps:
(1) drawing the derailed tramcar to the vicinity of the track, and inserting and installing a first supporting part of a lifting tool 1 special for the tramcar into car holes of two side frames of a tramcar body;
(2) a jacking oil cylinder 2 is arranged at the lower part of the second supporting part of the lifting tools 1 at two sides, and the tramcar is jacked to a height which is about 10cm higher than the rail surface through the jacking oil cylinder 2;
(3) placing a traverse beam 3 right below a vehicle body, placing a traverse trolley 4 on the traverse beam 3, placing a multi-stage oil cylinder 5 on the central surface of the traverse trolley 4, enabling the center of the multi-stage oil cylinder 5 to be right opposite to the center of the vehicle body, simultaneously placing a bracket 7 of the vehicle body on the multi-stage oil cylinder 5, and fixing the joint of the bracket 7 and the multi-stage oil cylinder 5;
(4) the piston rod of the multi-stage oil cylinder 5 is operated to extend out, the bracket 7 of the trolley body is slowly jacked up, and when the bracket 7 is tightly contacted with the tramcar, the connecting part of the bracket 7 and the trolley body is locked through a locking mechanism, so that the trolley body is prevented from being inclined when being lifted;
(5) when the vehicle is jacked to a state that the stress points of the vehicle are all on the cross sliding beam 3, the multi-stage oil cylinder 5 stops extending out, and the lifting tools 1 and the jacking oil cylinders 2 on the two sides are withdrawn;
(6) operating the transverse moving oil cylinder 6 to enable the transverse moving trolley 4 to drive the multi-stage oil cylinder 5 to horizontally move on the transverse moving beam 3; in the transverse moving process, in order to prevent the train from overturning, the transverse moving process needs to be stable, the speed needs to be controlled below 2m/min, and the transverse moving is slowly stopped immediately when the train body shakes under close observation;
(7) visual observation is needed during the transverse movement, and the transverse movement is stopped when the derailing wheel pair is positioned right above the steel rail; re-installing the lifting tools 1 and the jacking oil cylinders 2 on the two sides of the vehicle body which are withdrawn before, and adjusting the heights of the jacking oil cylinders 2 to enable the jacking oil cylinders to be jacked on the lifting tools 1 and not to move;
(8) controlling a piston rod of the multi-stage oil cylinder 5 to retract, slowly lowering the vehicle, removing the connection between the bracket 7 and the vehicle body until the stress point is completely arranged on the two sides of the vehicle body, and withdrawing the vehicle body bracket 7, the multi-stage oil cylinder 5, the transverse oil cylinder 6, the transverse trolley 4 and the transverse beam 3 in sequence;
(9) and finally, the jacking oil cylinder 2 is contracted until the derailed wheel pair falls on the track to complete the re-orbit rescue operation, and the normal state shown in the figure 1 is recovered.
The utility model discloses a derail equipment of rising again suitable for 100% low-floor tram when 100% low-floor tram takes place the derailment accident, can realize the quick rerailing rescue operation of derailing train, solved under the condition of taking into account economic nature because of 100% low-floor tram bottom headroom low excessively lead to the unable condition of using of current rescue equipment, have and show practical benefit.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a derail and rise equipment suitable for 100% low-floor tram which characterized in that: comprises a lifting device at two sides of the vehicle and a lifting device at the bottom of the vehicle;
the lifting devices on the two sides of the trolley comprise a lifting tool and a jacking oil cylinder special for the tramcar; the lifting tool is provided with a first supporting part inserted into a side driving hole of the tramcar and a second supporting part for supporting the top of the jacking oil cylinder, and the lifting tool is structured in such a way that the height of the second supporting part is higher than that of the first supporting part;
the vehicle bottom lifting device comprises a lifting component and a transverse moving component.
2. The derailment lifting device for a 100% low-floor tram according to claim 1, wherein:
the lifting component of the vehicle bottom lifting device comprises a transverse beam, a transverse trolley, a multi-stage oil cylinder and a bracket;
the transverse moving component comprises a transverse moving oil cylinder;
the trolley is characterized in that the transverse beam is arranged on the ground under the trolley bottom, a transverse trolley, a multi-stage oil cylinder and a bracket are sequentially connected to the transverse beam from bottom to top, and the multi-stage oil cylinder lifts the tramcar body through the bracket;
the transverse moving oil cylinder actuates the transverse moving trolley to transversely move the tramcar body.
3. The derailment lifting device for a 100% low-floor tram according to claim 2, wherein:
the lifting tool further comprises an intermediate connecting part which connects the first supporting part and the second supporting part, and the three parts form a Z shape approximately.
4. The derailment lifting device for a 100% low-floor tram according to claim 3, wherein:
the first supporting part and/or the middle connecting part are/is a seamless steel pipe.
5. The derailment lifting device for a 100% low-floor tram according to claim 2, wherein:
and a locking mechanism is arranged at the joint of the bracket and the vehicle body.
6. The derailment lifting device for a 100% low-floor tram according to claim 2, wherein:
and the second supporting part is knurled on the bottom surface contacted with the jacking oil cylinder.
7. The derailment lifting device for a 100% low-floor tram according to claim 2, wherein:
and a base plate is padded between the jacking oil cylinder and the ground.
8. The derailment lifting device for a 100% low-floor tram according to claim 2, wherein:
the derailing and rerailing equipment further comprises a control platform, and the control platform is connected with and controls the jacking oil cylinder, the transverse moving trolley, the multistage oil cylinder and the transverse moving oil cylinder.
9. The derailment lifting device for a 100% low-floor tram according to claim 2, wherein:
the transverse moving speed of the transverse moving trolley is below 2 m/min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020126087.8U CN211731385U (en) | 2020-01-19 | 2020-01-19 | Derailing and rerailing equipment suitable for 100% low-floor tramcar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020126087.8U CN211731385U (en) | 2020-01-19 | 2020-01-19 | Derailing and rerailing equipment suitable for 100% low-floor tramcar |
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| CN211731385U true CN211731385U (en) | 2020-10-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111114581A (en) * | 2020-01-19 | 2020-05-08 | 中铁第四勘察设计院集团有限公司 | Derailing and re-railing device and rescuing method suitable for 100% low-floor tramcar |
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- 2020-01-19 CN CN202020126087.8U patent/CN211731385U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111114581A (en) * | 2020-01-19 | 2020-05-08 | 中铁第四勘察设计院集团有限公司 | Derailing and re-railing device and rescuing method suitable for 100% low-floor tramcar |
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