CN111252085A - Counterweight device and railway engineering vehicle - Google Patents
Counterweight device and railway engineering vehicle Download PDFInfo
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- CN111252085A CN111252085A CN201811460058.9A CN201811460058A CN111252085A CN 111252085 A CN111252085 A CN 111252085A CN 201811460058 A CN201811460058 A CN 201811460058A CN 111252085 A CN111252085 A CN 111252085A
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- counterweight
- assembly
- locking
- power system
- track assembly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C15/00—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels
- B61C15/04—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels by controlling wheel pressure, e.g. by movable weights or heavy parts or by magnetic devices
- B61C15/06—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels by controlling wheel pressure, e.g. by movable weights or heavy parts or by magnetic devices by displacing fuel, ballast, or the like
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- Engineering & Computer Science (AREA)
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Abstract
The invention provides a counterweight device and a railway engineering vehicle, wherein the counterweight device comprises: the device comprises a track assembly, a counterweight assembly, a power system and a locking device; the track assembly is installed on a railway engineering vehicle, the counterweight assembly and the power system are installed on the track assembly, the power system is connected with the counterweight assembly and used for driving the counterweight assembly to move on the track assembly, and the locking device is arranged on the counterweight assembly and used for locking the counterweight assembly on the track assembly. The invention provides a counterweight device and a railway engineering vehicle, which can effectively solve the problem of unbalanced load of the railway engineering vehicle.
Description
Technical Field
The invention relates to the technical field of rail trains, in particular to a counterweight device and a railway engineering vehicle.
Background
In the transportation process of the railway engineering vehicle, due to the fact that the rail loading condition of the vehicle and theoretical calculation have deviation, the vehicle often has the unbalance loading problem, and in order to solve the unbalance loading problem, a counterweight device is generally needed to be arranged to balance the vehicle.
In the prior art, a vehicle is generally weighted by using a fixed balancing weight, or temporary balancing weights are added at different parts of the vehicle, so as to solve the unbalance loading problem.
However, the technology of balancing the vehicle by using the fixed balancing weight is only theoretically feasible, and because the on-site steel rails have different ages and the loading conditions are very different, the fixed balancing weight cannot well solve the actual unbalance loading problem; and through increase interim counter weight on the vehicle, need the jack-up instrument to remove the balancing weight, and the counter weight is accomplished the back, lacks safe locking device, and the balancing weight can take place the skew, influences the counter weight effect and the security poor.
Disclosure of Invention
The invention provides a counterweight device and a railway engineering vehicle, which can effectively solve the problem of unbalanced load of the railway engineering vehicle.
One aspect of the present invention provides a counterweight device, including: the device comprises a track assembly, a counterweight assembly, a power system and a locking device;
the track assembly is installed on a railway engineering vehicle, the counterweight assembly and the power system are installed on the track assembly, the power system is connected with the counterweight assembly and used for driving the counterweight assembly to move on the track assembly, and the locking device is arranged on the counterweight assembly and used for locking the counterweight assembly on the track assembly.
According to the counterweight device provided by the invention, the counterweight component is arranged, and the position of the counterweight component can be changed along the track component under the driving of the power system, so that the problem of unbalance loading of the railway engineering vehicle can be completely solved, the unbalance loading value can reach zero, and the counterweight device has great significance for the running safety of the vehicle; through setting up locking device, can constitute the locking in reasonable counter weight position with the counter weight to avoid the counter weight to constitute and take place the skew at the in-process of railway machineshop car motion, thereby avoid the inaccurate vehicle unbalance loading and the potential safety hazard that leads to of counter weight.
The counterweight device as described above, further comprising: a control system;
the control system is connected with the power system and used for controlling the power system to drive the counterweight to move.
According to the counterweight device, the counterweight assembly comprises a counterweight block, a sliding block and a traction seat;
the sliding block is arranged at the bottom of the balancing weight and used for sliding on the track assembly; the traction seats are arranged on two sides of the bottom of the balancing weight and are used for being connected with the power system.
The counterweight device as described above, said track assembly comprising: the walking beam, the walking slideway and the locking beam;
the walking beam is fixedly connected to the top of the railway engineering vehicle, the walking slideway and the locking beam are arranged above the walking beam, the walking slideway is used for the counterweight component to slide on, and the locking beam is used for being connected with the locking device.
The counterweight device as described above, the power system comprising: the device comprises a motor, a speed reducer, a bearing, a chain wheel and a chain;
the chain is used for connecting the counterweight assembly.
The counterweight device as described above, the locking device comprising: the locking bolt, the electric cylinder, the anti-jumping compression spring, the manual push rod and the electric push rod are arranged;
the locking bolt is used for being inserted into a locking hole in the locking beam under the action of the manual push rod or the electric push rod, and the electric cylinder is used for driving the electric push rod to move.
According to the counterweight device, the number of the counterweight blocks is multiple, and the counterweight blocks are fixedly connected with the connecting plate through the fasteners.
The counterweight device as described above, the counterweight assembly further comprising: unhooking prevention;
the anti-drop hook is arranged on two sides of the bottom of the balancing weight.
The counterweight device as described above, further comprising: a cross stabilizer;
the cross stabilizer is used for connecting the two rails arranged on the two sides of the railway engineering vehicle.
According to the counterweight device of the railway engineering vehicle, the counterweight component can be arranged to change the position along the track component under the driving of the power system, so that the problem of unbalance loading of the railway engineering vehicle can be completely solved, the unbalance loading value can reach zero, and the counterweight device has great significance on the running safety of the vehicle; through setting up locking device, can constitute the locking in reasonable counter weight position with the counter weight to avoid the counter weight to constitute and take place the skew at the in-process of railway machineshop car motion, thereby avoid the inaccurate vehicle unbalance loading and the potential safety hazard that leads to of counter weight. Furthermore, the electric drive and control system is utilized to control the movement of the counterweight assembly, the operation is simple and convenient, and the working efficiency can be effectively improved.
In another aspect of the present invention, there is provided a railway working vehicle, comprising: a counterweight as described above.
According to the railway engineering vehicle provided by the invention, the counterweight device is arranged at the top of the vehicle body, wherein the counterweight component can change position along the track component under the driving of the power system, so that the problem of unbalance loading of the railway engineering vehicle can be completely solved, the unbalance loading value can reach zero, and the railway engineering vehicle has great significance on the running safety of the vehicle; through setting up locking device, can constitute the locking in reasonable counter weight position with the counter weight to avoid the counter weight to constitute and take place the skew at the in-process of railway machineshop car motion, thereby avoid the inaccurate vehicle unbalance loading and the potential safety hazard that leads to of counter weight. Furthermore, the electric drive and control system is utilized to control the movement of the counterweight assembly, the operation is simple and convenient, and the working efficiency can be effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of a counterweight device according to an embodiment of the invention;
FIG. 2 is a top view of a counterweight device according to an embodiment of the invention;
FIG. 3 is a side view of a counterweight device according to an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a counterweight assembly according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a track assembly according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view A-A of FIG. 5;
FIG. 7 is a schematic structural diagram of a power system provided in an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a locking device according to an embodiment of the present invention.
Reference numerals:
100-railway engineering vehicle
200-counterweight device
21-track composition
211-travelling girder
212-traveling slide
213-locking Beam
214-chain guard
22-counterweight composition
221-counterweight block
222-slider
223-traction seat
224-mousing hook
225-connecting plate
23-power system
231-electric machine
232-speed reducer
233-chain wheel
234-chain
24-locking device
241-locking bolt
242-electric cylinder
243-spring-proof pressing spring
244-Manual push rod
25-control system
26-cross stabilizer
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "top", "bottom", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "axial", "circumferential", and the like, are used to indicate an orientation or positional relationship based on that shown in the drawings, merely to facilitate the description of the invention and to simplify the description, and do not indicate or imply that the position or element referred to must have a particular orientation, be of particular construction and operation, and thus, are not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; either directly or indirectly through intervening media, such as through internal communication or through an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The invention is described below in connection with specific embodiments with reference to the following drawings.
Example one
Fig. 1 is a front view of a counterweight device according to an embodiment of the present invention, fig. 2 is a plan view of the counterweight device according to the embodiment of the present invention, and fig. 3 is a side view of the counterweight device according to the embodiment of the present invention, and referring to fig. 1, fig. 2, and fig. 3, the present invention provides a counterweight device 200 including: the track assembly 21, the counterweight assembly 22, the power system 23 and the locking device 24; the track assembly 21 is installed on the railway engineering vehicle 100, the counterweight assembly 22 and the power system 23 are installed on the track assembly 21, the power system 23 is connected with the counterweight assembly 22 and used for driving the counterweight assembly 22 to move on the track assembly 21, and the locking device 24 is arranged on the counterweight assembly 22 and used for locking the counterweight assembly 22 on the track assembly 21.
The track assembly 21 is mounted at the top of the railway engineering truck 100, the counterweight assembly 22, the power system 23 and the locking device 24 are all arranged on the track assembly 21, the counterweight assembly 22 is composed of iron blocks and other parts and used for counterweight, and the counterweight assembly can move along the track assembly 21 under the driving of the power system 23 to adjust the counterweight position, so that the counterweight requirements of the railway engineering truck 100 under different loading conditions are met. The locking device 24 can lock the counterweight assembly 22 on the track assembly 21 after the counterweight assembly 22 moves to a proper position, so as to prevent the counterweight assembly 22 from shifting in the movement process of the railway engineering vehicle 100, and further avoid vehicle unbalance loading and potential safety hazards caused by inaccurate counterweight.
According to the counterweight device provided by the embodiment of the invention, the counterweight component can change position along the track component under the driving of the power system, so that the problem of unbalance loading of the railway engineering vehicle can be completely solved, the unbalance loading value can reach zero, and the counterweight device has great significance on the running safety of the vehicle; through setting up locking device, can constitute the locking in reasonable counter weight position with the counter weight to avoid the counter weight to constitute and take place the skew at the in-process of railway machineshop car motion, thereby avoid the inaccurate vehicle unbalance loading and the potential safety hazard that leads to of counter weight.
The structure of each member will be described in detail below using a detailed example.
In a more detailed embodiment, fig. 4 is a schematic structural diagram of a counterweight assembly of a railway engineering truck according to an embodiment of the present invention, and referring to fig. 4, the counterweight assembly 22 includes a counterweight block 221, a slider 222, and a traction seat 223; the slider 222 is arranged at the bottom of the counterweight block 221 and is used for sliding on the track assembly 21; the traction bases 223 are arranged on two sides of the bottom of the balancing weight 221 and are used for connecting the power system 23.
The weight block 221 is generally an iron block with a high density, and is used for adding a weight. Because the weight of the counterweight block 221 is heavy and is not easy to move, the slider 222 is arranged at the bottom of the counterweight block 221, the slider 222 can be made of materials with low friction force such as teflon and the like, and the slider 222 can slide on the track assembly 21 in a labor-saving manner so as to reduce the work of the power system 23. The bottom of balancing weight 221 still is provided with traction seat 223 for connect driving system 23, make driving system 23 drive counter weight component 22 move on track component 21, traction seat 223 sets up the bottom both sides at balancing weight 221, with the balanced atress when guaranteeing counter weight component 22 to move.
Wherein, the quantity of balancing weight 221 is a plurality ofly, and a plurality of balancing weights 221 pass through fastener and connecting plate 225 fixed connection. The railway engineering truck 100 has different loading conditions and different corresponding weights, so that the counterweight assembly 22 can be arranged to be composed of a plurality of counterweight blocks 221, and the number of the counterweight blocks 221 can be increased or decreased reasonably to adapt to the counterweights with different sizes. And set up polylith balancing weight 221, the weight of every balancing weight 221 is less for whole, convenient hoist and mount and transportation.
A plurality of balancing weights 221 pass through fastener and connecting plate 225 fixed connection, easy to assemble and dismantlement, and preferably, a plurality of balancing weights 221 adopt superimposed mode to assemble together, and parts such as slider 22, traction seat 223 only need set up in the bottom that is located balancing weight 221 of bottommost, consequently increase and decrease balancing weight 221 can not influence the normal use that the balancing weight constitutes 22.
In addition, the weight assembly 22 further includes: a mousing hook 224; the anti-disengaging hooks 224 are disposed on two sides of the bottom of the weight block 221, so as to prevent the weight block 221 from disengaging from the track assembly 21, and further ensure the reliability and safety of the weight assembly 22.
Fig. 5 is a schematic structural diagram of a track assembly according to an embodiment of the present invention, and fig. 6 is a sectional view taken along line a-a of fig. 5, and referring to fig. 5 and 6, the track assembly 21 includes: a walking beam 211, a walking slideway 212 and a locking beam 213; the walking beam 211 is fixedly connected to the top of the railway engineering vehicle 100, the walking slideway 212 and the locking beam 213 are arranged above the walking beam 211, the walking slideway 212 is used for the counterweight assembly 22 to slide on, and the locking beam 213 is used for connecting the locking device 24.
Specifically, the running beam 211 is a main body of the track assembly 21, which is disposed on the top of the railway mobile 100. The walking slide way 212 is arranged on the walking beam 211, and the sliding block 222 of the counterweight assembly 22 is arranged in the walking slide way 212 and can move along the walking slide way 212. The locking beam 213 is also arranged on the walking beam 211, after the counterweight assembly 22 moves to a proper position, the locking device 24 is locked on the locking beam 213, and the position of the counterweight device 23 is locked due to the fixed connection of the locking device 24 and the counterweight device 23, so that the counterweight assembly 21 is prevented from shifting in the movement process of the railway engineering truck 100, and the vehicle unbalance loading and potential safety hazards caused by inaccurate counterweight are avoided.
Fig. 7 is a schematic structural diagram of a power system according to an embodiment of the present invention, and referring to fig. 7, a power system 23 includes: a motor 231, a reducer 232, a bearing (not shown), a sprocket 233, and a chain 234; the chain 234 is used to connect the counterweight assembly 22. The motor 231 is used for providing electric power, so that the chain wheel 233 drives the chain 234 to rotate, the speed reducer 232 is used for realizing speed reduction transmission, and the bearing is used for supporting the rotation of the chain wheel 233 and reducing the friction coefficient in the movement process. The chain 234 is connected to the traction seat 223 of the counterweight assembly 22, so that when the motor 231 is started, the chain 234 can drive the counterweight assembly 22 to move, thereby changing the counterweight position.
Further, the track assembly 21 further includes: a chain guard 214; the chain guard 214 is disposed inside the web of the running beam 211 and the chain guard 214 is disposed outside the chain 234. In order to prevent the chain 234 from being exposed to the outside and corroded or blocked by other components, a chain guard 214 may be disposed inside the web of the running beam 211 of the track assembly 21 to protect the chain 234 and improve the reliability of the entire counterweight device 200.
Fig. 8 is a schematic structural diagram of a locking device according to an embodiment of the present invention, and referring to fig. 8, the locking device 24 includes: a locking bolt 241, an electric cylinder 242, an anti-jump compression spring 243, a manual push rod 244 and an electric push rod 245; the locking bolt 241 is inserted into a locking hole of the locking beam 213 under the action of a manual push rod 244 or an electric push rod 245, and the electric cylinder 242 is used for driving the electric push rod 245 to move.
Wherein the locking of the weight assembly 22 to the track assembly 21 can be achieved by inserting the locking bolt 241 into the locking hole on the locking beam 213. Alternatively, the locking operation may be achieved by manually pushing the manual push rod 244, or by pushing the electric push rod 245 by the electric cylinder 242, to further improve the automation thereof. The spring 243 is used for damping shock and preventing the bolt 241 from being released from the locking hole due to vibration and bumping.
On the basis of the above embodiment, in the present embodiment, the counterweight device 200 further includes: a control system 25; the control system 25 is connected with the power system 23 and is used for controlling the power system 23 to drive the counterweight assembly 22 to move. The control system 25 is provided to facilitate control of the counterweight device 200 by a vehicle operator, and specifically, the control system 25 may include a travel switch for controlling the position at which the counterweight assembly 22 moves and a remote control system for performing counterweight operation by the vehicle operator at an under-vehicle safety point. The control system 25 is provided to make the operation of the counterweight device 200 of the railway working vehicle according to the embodiment easier.
On the basis of the above embodiment, in the present embodiment, the counterweight device 200 further includes: a cross stabilizer 26; the cross stabilizer 26 is used to connect two track assemblies 21 mounted on both sides of the railway vehicle 100.
It is easily understood that the unbalance loading of the railway working vehicle 100 includes unbalance loading of the left and right sides during the operation, and therefore, the counterweight device 200 should be capable of implementing the counterweight at both the left and right sides of the railway working vehicle 100, and the counterweight at any position of the left and right sides can be implemented by providing two track assemblies 21, which are respectively located at both sides of the top of the railway working vehicle 100. Further, in order to enhance the structural strength of the two track assemblies 21, a cross stabilizer 26 may be provided to connect the two track assemblies 21 together.
According to the counterweight device of the railway engineering vehicle, the counterweight component can be arranged to change the position along the track component under the driving of the power system, so that the problem of unbalance loading of the railway engineering vehicle can be completely solved, the unbalance loading value can reach zero, and the counterweight device has great significance on the running safety of the vehicle; through setting up locking device, can constitute the locking in reasonable counter weight position with the counter weight to avoid the counter weight to constitute and take place the skew at the in-process of railway machineshop car motion, thereby avoid the inaccurate vehicle unbalance loading and the potential safety hazard that leads to of counter weight. Furthermore, the electric drive and control system is utilized to control the movement of the counterweight assembly, the operation is simple and convenient, and the working efficiency can be effectively improved.
Example two
The embodiment of the invention also provides a railway engineering vehicle 100 which comprises the counterweight device 200 in the embodiment.
Wherein, the weight device 200 includes: the track assembly 21, the counterweight assembly 22, the power system 23 and the locking device 24; the track assembly 21 is installed on the railway engineering vehicle 100, the counterweight assembly 22 and the power system 23 are installed on the track assembly 21, the power system 23 is connected with the counterweight assembly 22 and used for driving the counterweight assembly 22 to move on the track assembly 21, and the locking device 24 is arranged on the counterweight assembly 22 and used for locking the counterweight assembly 22 on the track assembly 21.
According to the railway engineering vehicle provided by the embodiment of the invention, the counterweight device is arranged at the top of the vehicle body, wherein the counterweight component can change position along the track component under the driving of the power system, so that the unbalance loading problem of the railway engineering vehicle can be completely solved, the unbalance loading value can reach zero, and the railway engineering vehicle has great significance on the running safety of the vehicle; through setting up locking device, can constitute the locking in reasonable counter weight position with the counter weight to avoid the counter weight to constitute and take place the skew at the in-process of railway machineshop car motion, thereby avoid the inaccurate vehicle unbalance loading and the potential safety hazard that leads to of counter weight. Furthermore, the electric drive and control system is utilized to control the movement of the counterweight assembly, the operation is simple and convenient, and the working efficiency can be effectively improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A counterweight device, comprising: the device comprises a track assembly, a counterweight assembly, a power system and a locking device;
the track assembly is installed on a railway engineering vehicle, the counterweight assembly and the power system are installed on the track assembly, the power system is connected with the counterweight assembly and used for driving the counterweight assembly to move on the track assembly, and the locking device is arranged on the counterweight assembly and used for locking the counterweight assembly on the track assembly.
2. The counterweight device of claim 1 further comprising: a control system;
the control system is connected with the power system and used for controlling the power system to drive the counterweight to move.
3. The counterweight device of claim 1 wherein said counterweight assembly comprises a counterweight block, a slide block, and a traction base;
the sliding block is arranged at the bottom of the balancing weight and used for sliding on the track assembly; the traction seats are arranged on two sides of the bottom of the balancing weight and are used for being connected with the power system.
4. The counterweight device of claim 1 wherein said track assembly comprises: the walking beam, the walking slideway and the locking beam;
the walking beam is fixedly connected to the top of the railway engineering vehicle, the walking slideway and the locking beam are arranged above the walking beam, the walking slideway is used for the counterweight component to slide on, and the locking beam is used for being connected with the locking device.
5. The counterweight device of claim 4 wherein said power system comprises: the device comprises a motor, a speed reducer, a bearing, a chain wheel and a chain;
the chain is used for connecting the counterweight assembly.
6. The counterweight device of claim 4 wherein said locking means comprises: the locking bolt, the electric cylinder, the anti-jumping compression spring, the manual push rod and the electric push rod are arranged;
the locking bolt is used for being inserted into a locking hole in the locking beam under the action of the manual push rod or the electric push rod, and the electric cylinder is used for driving the electric push rod.
7. The counterweight device of claim 3 wherein said counterweight is in plurality and is fixedly connected to said connecting plate by fasteners.
8. The counterweight device of claim 7 wherein said counterweight assembly further comprises: unhooking prevention;
the anti-drop hook is arranged on two sides of the bottom of the balancing weight.
9. The counterweight device according to any one of claims 1 to 8, further comprising: a cross stabilizer;
the cross stabilizer is used for connecting the two rails arranged on the two sides of the railway engineering vehicle.
10. A railroad work vehicle, comprising: a counterweight according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811460058.9A CN111252085A (en) | 2018-11-30 | 2018-11-30 | Counterweight device and railway engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811460058.9A CN111252085A (en) | 2018-11-30 | 2018-11-30 | Counterweight device and railway engineering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111252085A true CN111252085A (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811460058.9A Pending CN111252085A (en) | 2018-11-30 | 2018-11-30 | Counterweight device and railway engineering vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN111252085A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114312866A (en) * | 2020-10-10 | 2022-04-12 | 中车沈阳机车车辆有限公司 | Unbalance loading processing method and device |
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| CN114312866A (en) * | 2020-10-10 | 2022-04-12 | 中车沈阳机车车辆有限公司 | Unbalance loading processing method and device |
| CN114312866B (en) * | 2020-10-10 | 2023-11-24 | 中车沈阳机车车辆有限公司 | Unbalanced load processing method and device |
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