CN116902847A

CN116902847A - Wheel set lifter and wheel set lifting system

Info

Publication number: CN116902847A
Application number: CN202310883942.8A
Authority: CN
Inventors: 李战胜; 李旭升; 李木存; 刘星; 徐建喜; 丁颖
Original assignee: CHN Energy Railway Equipment Co Ltd
Current assignee: CHN Energy Railway Equipment Co Ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2023-10-20

Abstract

The application relates to a wheel set lifter and a wheel set lifting system, which relate to the technical field of railway train wheel set equipment and are used for solving the problems of poor safety and low efficiency of the wheel set lifter. The wheel set elevator includes: the first lifting mechanism is positioned at the bottom of the wheel at one end of the wheel set; the second lifting mechanism is positioned at the bottom of the wheel at the other end of the wheel set; and the electric control assembly is electrically connected with the first lifting mechanism and the second lifting mechanism, and can control the first lifting mechanism and/or the second lifting mechanism to lift the wheel set. The electric control assembly is utilized to independently control the lifting of the first lifting mechanism or the lifting of the second lifting mechanism. Thus, the wheel set can be ensured to be horizontally placed, and the wheel set can be leveled. The electric control assembly is used for controlling the first lifting mechanism to lift and controlling the second lifting mechanism to lift simultaneously, so that the first lifting mechanism and the second lifting mechanism are ensured to lift synchronously. Thereby ensuring that the wheel set can always keep the lifting of the horizontal position. And further ensures that the wheel set can smoothly slide onto the track of the butting component after lifting in place.

Description

Wheel set lifter and wheel set lifting system

Technical Field

The application relates to the technical field of railway train wheel set equipment, in particular to a wheel set lifter and a wheel set lifting system.

Background

The wheel set lifter is used for lifting and descending the wheel set and is usually matched with the wheel set unloading machine, and is used for lifting the wheel set to be disassembled to the feeding position of the unloading machine or is used for descending the disassembled wheel set to the ground, so that the wheel set can conveniently enter the next working procedure.

However, the wheel sets in the related art have the condition of not being horizontally placed in the lifting process or before lifting, and the horizontal leveling of the wheel sets is inconvenient due to the limitation of the structure of the wheel sets. Seriously affecting the field dismantling efficiency of the wheel set.

That is, the wheel set lifter in the related art has a problem in that it is inconvenient to level the wheel set horizontally.

Disclosure of Invention

The application provides a wheel set lifter and a wheel set lifting system, which are used for solving the problem that the wheel set lifter is inconvenient to level the wheel set.

The application provides a wheel set lifter, which is used for lifting a wheel set and comprises the following components: the first lifting mechanism is positioned at the bottom of the wheel at one end of the wheel set; the second lifting mechanism is positioned at the bottom of the wheel at the other end of the wheel set; and the electric control assembly is electrically connected with the first lifting mechanism and the second lifting mechanism, and can control the first lifting mechanism and/or the second lifting mechanism to lift the wheel set.

In one embodiment, the first elevating mechanism includes: the upright posts extend along the first direction; the sliding support assembly is connected with the upright post, can reciprocate relative to the upright post along a first direction, and a wheel at one end of the wheel set is positioned on the sliding support assembly; the electric control assembly is electrically connected with the sliding support assembly and used for controlling the sliding support assembly to lift.

In one embodiment, a sliding support assembly includes: a housing; the ball screw is arranged in the shell, the driving structure is arranged at the top end of the shell, and the driving structure is electrically connected with the electric control assembly; the supporting block is arranged on the driving structure; the ball screw is fixedly connected with the upright post, the screw rod of the ball screw is connected with the driving structure, the screw rod is fixed by the upright post, and when the driving structure drives the screw rod to rotate in the shell, the ball screw rod drives the driving structure, the shell and the supporting block to move up and down.

In one embodiment, the support block is provided with a support rail adapted to the wheels at one end of the wheelset.

In one embodiment, the driving structure comprises a rotating motor, a rotating rod of the rotating motor is connected with a screw rod of the ball screw, and a fixed cylinder of the rotating motor is connected with the supporting block.

In one embodiment, the driving structure further comprises a speed reducer, the speed reducer is arranged between the rotating motor and the screw of the ball screw, the torque input end of the speed reducer is connected with the rotating rod of the rotating motor, and the torque output end of the speed reducer is connected with the screw of the ball screw.

In one embodiment, the upright comprises: one end of the connecting piece is connected with the sliding support assembly; the side plate is connected with the other end of the connecting piece; and the top plate assembly is arranged at the top end of the side plate, an avoidance slot hole is formed in the top plate assembly, and the sliding support assembly can extend out of the top plate assembly through the avoidance slot hole.

In one embodiment, a top plate assembly includes: a support plate provided with an avoidance slot; the fixed rail is arranged on the support plate; the fixing piece is arranged on the support plate and is used for fixing the support plate on an external fixing foundation; when the sliding support assembly is at the initial position, the fixed rail is flush with the support rail of the sliding support assembly.

In one embodiment, an electronic control assembly includes: the control circuit is electrically connected with the first lifting mechanism and the second lifting mechanism; the control button is arranged on the control circuit and used for controlling the first lifting mechanism to lift, or the second lifting mechanism, or the first lifting mechanism and the second lifting mechanism to lift synchronously.

The application provides a wheel set lifting system, which comprises: a plurality of wheel set lifters; and the control device is electrically connected with the electric control components of the wheel pair elevators.

Compared with the prior art, the application has the advantages that the electric control assembly is arranged, and the electric control assembly is utilized to independently control the lifting of the first lifting mechanism or the lifting of the second lifting mechanism. Thus, the wheel set can be ensured to be horizontally placed, and the wheel set can be leveled. The electric control assembly is used for controlling the first lifting mechanism to lift and controlling the second lifting mechanism to lift simultaneously, so that the first lifting mechanism and the second lifting mechanism are ensured to lift synchronously. Thereby ensuring that the wheel set can always keep the lifting of the horizontal position. And further ensures that the wheel set can smoothly slide onto the track of the butting component after lifting in place. Meanwhile, the wheel set can be ensured not to tip over in the lifting process, so that the safety risk in the lifting process of the wheel set is reduced.

Drawings

The application will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings.

FIG. 1 is a schematic perspective view of a wheel set lift in accordance with an embodiment of the present application;

fig. 2 is a schematic perspective view of a wheel set lifting system according to an embodiment of the present application.

Reference numerals:

10. a first lifting mechanism; 11. a column; 111. a connecting piece; 112. a side plate; 113. a top plate assembly; 1131. a support plate; 1132. a fixed rail; 1133. a fixing member; 12. a sliding support assembly; 121. a housing; 122. a support block; 1221. a support rail; 20. a second lifting mechanism; 100. a wheel set lifter; 200. an external fixed foundation.

Detailed Description

The application will be further described with reference to the accompanying drawings.

As shown in fig. 1, the present application provides a wheel set lift 100, and the wheel set lift 100 is used for lifting of a wheel set, and includes a first lifting mechanism 10 and a second lifting mechanism 20. Wherein the first lifting mechanism 10 is positioned at the bottom of one end of the wheel set; the second lifting mechanism 20 is positioned at the bottom of the wheel at the other end of the wheel set; an electrical control assembly is electrically connected to the first lift mechanism 10 and the second lift mechanism 20, the electrical control assembly being capable of controlling the first lift mechanism 10 and/or the second lift mechanism 20 to lift the wheel set.

In the above arrangement, an electronic control unit is provided, and the first elevating mechanism 10 or the second elevating mechanism 20 is independently controlled to be elevated by the electronic control unit. Thus, the wheel set can be ensured to be horizontally placed, and the wheel set can be leveled. The electric control assembly is used for controlling the first lifting mechanism 10 to lift and controlling the second lifting mechanism 20 to lift simultaneously, so that the first lifting mechanism 10 and the second lifting mechanism 20 are ensured to lift synchronously. Thereby ensuring that the wheel set can always keep the lifting of the horizontal position. And further ensures that the wheel set can smoothly slide onto the track of the butting component after lifting in place. Meanwhile, the wheel set can be ensured not to tip over in the lifting process, so that the safety risk in the lifting process of the wheel set is reduced.

Specifically, as shown in FIG. 1, in one embodiment, the first lift mechanism 10 includes a mast 11 and a sliding support assembly 12. Wherein, stand 11 extends along the first direction and sets up, and slip supporting component 12 is connected with stand 11, and slip supporting component 12 can reciprocate for stand 11 along the first direction, and the wheel of wheelset one end is located slip supporting component 12.

In the above arrangement, the lifting function of the first lifting mechanism 10 on one end of the wheel set is achieved by the sliding support assembly 12 sliding reciprocally relative to the upright 11. Thereby ensuring that the wheelset lift 100 is able to perform its lifting function.

Specifically, as shown in FIG. 1, in one embodiment, the sliding support assembly 12 includes a housing 121, a drive structure, and a support block 122. Wherein, the ball screw is arranged in the shell 121, the driving structure is arranged at the top end of the shell 121, and the driving structure is electrically connected with the electric control assembly; the support block 122 is disposed on the drive structure; the nut of the ball screw is fixedly connected with the upright post 11, the screw of the ball screw is connected with the driving structure, the nut is fixed by the upright post 11, and when the driving structure drives the screw to rotate in the shell 121, the ball screw drives the driving structure, the shell 121 and the supporting block 122 to move up and down.

In the above arrangement, the lifting of the supporting block 122 is realized by using the transmission principle of the ball screw, thereby realizing the lifting function of the first lifting mechanism 10 to one end of the wheel set. The upright 11 slides reciprocally to realize the lifting function of the first lifting mechanism 10 to one end of the wheel set. Thereby ensuring that the wheelset lift 100 is able to perform its lifting function.

Specifically, as shown in fig. 1, in one embodiment, the support block 122 is provided with a support rail 1221, the support rail 1221 being adapted to the wheels of one end of the wheel set.

Specifically, as shown in fig. 1, in one embodiment, the support block 122 includes a body and a support rail 1221 secured to the body. Wherein the support rail 1221 is fixed to the body by means of fixing bolts.

Specifically, as shown in fig. 1, in one embodiment, the driving structure includes a rotating motor, a rotating rod of which is connected to a screw of the ball screw, and a fixed cylinder of which is connected to the support block 122.

In the above arrangement, the rotation motor can apply torque to the ball screw shaft to rotate the ball screw shaft in the housing 121, and the nut of the ball screw shaft is fixed and cannot move. When the screw rod rotates, the rotary motion is converted into linear motion under the action of the screw thread transmission pair. Thereby lifting and lowering the housing 121, the ball screw and the driving structure as a whole. Thereby realizing the lifting function of the first lifting mechanism 10.

The electric control assembly is electrically connected with the rotating motor and is used for controlling the steering and the rotating speed of the rotating motor. The first elevating mechanism 10 is controlled to ascend or descend by steering control of the rotating motor. The speed of the first elevating mechanism 10 is controlled by controlling the rotational speed of the rotating motor.

Specifically, as shown in fig. 1, in one embodiment, the driving structure further includes a decelerator, which is disposed between the rotating motor and the screw of the ball screw, and has a torque input end connected to the rotating rod of the rotating motor and a torque output end connected to the screw of the ball screw.

In the above arrangement, a speed reducer is provided, and the speed reducer is used to reduce the rotation speed and increase the torque. Thereby ensuring that the ball screw is capable of stable and low-speed transmission torque. And further ensures that the wheel set elevator 100 can smoothly elevate the wheel set to improve the stability and reliability of its operation.

Specifically, as shown in FIG. 1, in one embodiment, the upright 11 includes a connector 111, side panels 112, and a top panel assembly 113. Wherein, one end of the connecting piece 111 is connected with the sliding support assembly 12, and the side plate 112 is connected with the other end of the connecting piece 111. The top plate assembly 113 is arranged at the top end of the side plate 112, an avoidance slot hole is formed in the top plate assembly 113, and the sliding support assembly 12 can extend out of the top plate assembly 113 through the avoidance slot hole.

In the above arrangement, the upright 11 is fixedly connected to the external fixed base 200 through the top plate assembly 113, and serves as a supporting base for the wheelset lifter 100. The top plate assembly 113 is provided with a avoiding slot hole, so that collision with the top plate assembly 113 in the telescopic process of the sliding support assembly 12 is avoided. Thereby ensuring that the wheelset lift 100 can function properly.

Specifically, as shown in fig. 1, in one embodiment, the top plate assembly 113 includes a support plate 1131, a fixed rail 1132, and a fixture 1133. The support plate 1131 is provided with an avoiding slot, and the fixing rail 1132 is disposed on the support plate 1131. The fixing member 1133 is disposed on the support plate 1131, and the fixing member 1133 is used to fix the support plate 1131 on the external fixing base 200; when the sliding support assembly 12 is in the initial position, the fixed rail 1132 is flush with the support rail 1221 of the sliding support assembly 12.

In the present application, the external fixed foundation 200 is a foundation, and the wheel set lifter 100 is mostly installed under the ground in a sinking manner, that is, two installation holes are provided on the foundation, the first lifting mechanism 10 is installed in one of the installation holes, and the second lifting mechanism 20 is installed in the other installation hole. The sliding support assembly 12 has an initial position and a raised position. When the sliding support assembly 12 is in the initial position, the fixed rail 1132 is flush with the support rail 1221. Furthermore, the fixed rail 1132 is flush-abutted with the rail mounted on the foundation surface. This ensures that the wheelset to be lifted can roll smoothly to the fixed track 1132 and then to the support track 1221. Facilitating subsequent lifting. Also, the lifted wheel set can roll to a rail mounted on the surface of the foundation by the support rail 1221 and the fixed rail 1132. The next procedure is conveniently executed.

Specifically, as shown in FIG. 1, in one embodiment, the electronic control assembly includes a control circuit and a control button. Wherein the control circuit is electrically connected to the first lifting mechanism 10 and the second lifting mechanism 20. And the control button is arranged on the control circuit and is used for controlling the first lifting mechanism 10 to lift, the second lifting mechanism 20 or the first lifting mechanism 10 and the second lifting mechanism 20 to lift synchronously.

In the above arrangement, the leveling function of the wheel set can be achieved by controlling the first elevating mechanism 10 to elevate or lower or the second elevating mechanism 20. The first lifting mechanism 10 and the second lifting mechanism 20 are controlled to synchronously lift so as to realize the stable lifting function of the wheel set.

It should be noted that, as shown in fig. 1, in one embodiment, the structure of the second lifting mechanism 20 is identical to that of the first lifting mechanism 10. I.e. the second lifting mechanism comprises a column and a sliding support assembly. The upright post extends along a first direction, the sliding support assembly is connected with the upright post, the sliding support assembly can reciprocate along the first direction relative to the upright post, and the wheels at one end of the wheel set are located on the sliding support assembly. In the above-mentioned setting, through the reciprocal slip of slip supporting component for the stand in order to realize the elevating system of second elevating system pair wheel pair one end. Thereby ensuring that the wheel set lifter can realize the lifting function thereof. The sliding support assembly includes a housing, a drive structure, and a support block. The ball screw is arranged in the shell, the driving structure is arranged at the top end of the shell, and the driving structure is electrically connected with the electric control assembly; the supporting block is arranged on the driving structure; the nut of ball is connected with stand fixed connection, and ball's lead screw is connected with drive structure, and the nut is fixed by the stand, and when drive structure drive lead screw was in the casing internal rotation, ball drove drive structure, casing and supporting shoe elevating movement. In the arrangement, the lifting of the supporting block is realized by utilizing the transmission principle of the ball screw, so that the lifting function of the second lifting mechanism to one end of the wheel set is realized. The upright post slides reciprocally to realize the lifting function of the second lifting mechanism on one end of the wheel set. Thereby ensuring that the wheel set lifter can realize the lifting function. The supporting block is provided with a supporting track, and the supporting track is matched with the wheels at one end of the wheel set. The support block comprises a body and a support rail fixed on the body. Wherein, fix the support rail on the body through fixing bolt. The driving structure comprises a rotating motor, a rotating rod of the rotating motor is connected with a screw rod of the ball screw, and a fixed cylinder of the rotating motor is connected with the supporting block. In the above arrangement, the rotation motor can apply torque to the ball screw to rotate the ball screw in the housing, and the nut of the ball screw is fixed and cannot move. When the screw rod rotates, the rotary motion is converted into linear motion under the action of the screw thread transmission pair. Thereby causing the housing, ball screw and drive structure to be lifted and lowered as a whole. Thereby realizing the lifting function of the second lifting mechanism.

The electric control assembly is electrically connected with the rotating motor and is used for controlling the steering and the rotating speed of the rotating motor. The second elevating mechanism is controlled to ascend or descend by steering control of the rotating motor. The speed of the second elevating mechanism is controlled by controlling the rotation speed of the rotating motor. The driving structure further comprises a speed reducer, the speed reducer is arranged between the rotating motor and the screw of the ball screw, the torque input end of the speed reducer is connected with the rotating rod of the rotating motor, and the torque output end of the speed reducer is connected with the screw of the ball screw. In the above arrangement, a speed reducer is provided, and the speed reducer is used to reduce the rotation speed and increase the torque. Thereby ensuring that the ball screw is capable of stable and low-speed transmission torque. And further ensures that the wheel set lifter can stably lift the wheel set to improve the stability and reliability of the work thereof. The stand includes connecting piece, curb plate and roof subassembly. One end of the connecting piece is connected with the sliding support assembly, and the side plate is connected with the other end of the connecting piece. The roof subassembly sets up the top at the curb plate, is provided with on the roof subassembly and dodges the slotted hole, and the slip support assembly can stretch out the roof subassembly through dodging the slotted hole. In the above arrangement, the upright post is fixedly connected with the external fixed foundation 200 through the top plate assembly, and serves as a supporting foundation of the wheelset lifter. The slotted hole is avoided in the roof assembly, so that collision with the roof assembly in the telescopic process of the sliding support assembly is avoided. Thereby ensuring that the wheelset lifter can work normally. The roof assembly includes a support plate, a fixed rail, and a fixture. The support plate is provided with an avoidance slot hole, and the fixed rail is arranged on the support plate. The fixing member is provided on the support plate member for fixing the support plate member to the external fixing base 200; when the sliding support assembly is at the initial position, the fixed rail is flush with the support rail of the sliding support assembly.

The fixing member is an anchor bolt, and the support plate is fixed to the external fixing base 200 by the anchor bolt.

As shown in fig. 2, the present application further provides a wheelset lifting system, which includes a plurality of wheelset lifts 100 and a control device as described above. Wherein the control device is electrically connected to the electronic control components of the plurality of wheel-set lifts 100.

In the arrangement, the lifting control of the wheel set lifting system on the wheel sets is realized through the control device, so that the on-site disassembly and assembly efficiency of the on-site wheel sets is improved.

Specifically, in one embodiment, the wheelset lift system includes two wheelset lifts 100, one disposed at each end of the wheelset unloader. One of the pair lifts 100 is located at the blanking station and the other is located at the pre-unloader station. The elevating movement of the two wheel-set lifters 100 is simultaneously controlled by the control means. Therefore, the unloading station is ensured to always have the wheel set which is detached, and the front station of the unloading machine always has the wheel set to be detached. And further, the wheel set can be continuously disassembled by the wheel set disassembling machine, and the field disassembly and assembly efficiency of the field wheel set is improved.

Of course, four or more wheel set elevators 100 may be provided according to actual situations, and are not limited to two wheel set elevators 100 in the present application.

The application also provides a wheel set lifting control method, which adopts the wheel set lifting control method to carry out manual control, wherein the electric control assembly also comprises a touch screen, the touch screen is electrically connected with a control circuit, a control chip is integrated in the control circuit, the control chip invokes a software program stored in the control chip in advance, and virtual buttons are mapped on the touch screen.

Specifically, in one embodiment, the virtual buttons include a "cancel touchscreen" button, a "touchscreen control" button, a "first elevator select" button, a "second elevator select" button, a "cancel select" button, an "up" button, a "down" button, an "home" button, a "work" button, and a "stop" button.

And clicking the touch screen control button to trigger the touch screen control function, namely activating the other simulation buttons. Clicking the "cancel touch screen" button cancels the touch screen control function, i.e. the other analog buttons are not validated. Clicking the "first elevator mechanism select" button selects to control the first elevator mechanism, clicking the "second elevator mechanism select" button selects to control the second elevator mechanism. Clicking the "up" button then controls the corresponding lifting mechanism to rise, clicking the "down" button then controls the corresponding lifting mechanism to rise, clicking the "initial position" button then controls the two lifting mechanisms to synchronously return to the initial position, clicking the "working position" button then controls the two lifting mechanisms to synchronously rise to the rising position. Clicking the "stop" button emergency brakes. Clicking the "deselect" button cancels the current rotation.

It should be noted that, each virtual button is correspondingly provided with an indicator light, if the virtual button is clicked to take effect, the indicator light is turned on, and if the indicator light is in a turned-off state, the corresponding virtual button is indicated to be not in effect.

Specifically, in one embodiment, the wheel set lifting control method includes the steps of:

clicking a touch screen control button;

step two, confirming whether an indicator lamp corresponding to a touch screen control button is lighted or not;

clicking a second lifting mechanism selecting button;

step four, confirming whether an indicator lamp corresponding to a button of the second lifting mechanism is lighted or not;

clicking an ascending button or a descending button, and enabling the second lifting mechanism to be in a relative position with the first lifting mechanism until the wheel set is placed horizontally;

clicking a button at a working position, and lifting the wheel set to the lifting position;

after the wheel set is lifted to the lifting position, the wheel set is timely sent into the wheel set unloader, and the indication lamp corresponding to the lifting button or the descending button needs to be confirmed to be lightened.

Step seven, clicking an initial position button, and returning the wheel set lifter to the initial position;

and step eight, clicking a 'cancel touch screen' button to cancel the touch control function.

clicking a touch screen control button;

clicking a first lifting mechanism selection button;

step four, confirming whether an indicator lamp corresponding to a first lifting mechanism selecting button is lighted or not;

clicking an ascending button or a descending button, and enabling the relative positions of the first lifting mechanism and the second lifting mechanism to be equal to the placement level of the wheel set;

after the wheel set is lifted to the lifting position, the wheel set is timely sent into the wheel set unloading machine.

After clicking the virtual button, the operator notices whether the corresponding indicator lamp is lighted, if so, the operator proceeds to the next step, and if not, the operator returns to the previous step.

The control circuit is internally provided with an alarm module, and when the 'stop' button is clicked, the alarm module is triggered while the elevator is braked in an emergency, and the alarm module starts to alarm. The alarm module can adopt a warning lamp or an alarm buzzer.

As is apparent from the description of the above embodiments, an electronic control unit is provided and is used to individually control the first lifting mechanism to lift or the second lifting mechanism to lift. Thus, the wheel set can be ensured to be horizontally placed, and the wheel set can be leveled. The electric control assembly is used for controlling the first lifting mechanism to lift and controlling the second lifting mechanism to lift simultaneously, so that the first lifting mechanism and the second lifting mechanism are ensured to lift synchronously. Thereby ensuring that the wheel set can always keep the lifting of the horizontal position. And further ensures that the wheel set can smoothly slide onto the track of the butting component after lifting in place. Meanwhile, the wheel set can be ensured not to tip over in the lifting process, so that the safety risk in the lifting process of the wheel set is reduced.

In the present application, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present application, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present application.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present application, and the protection scope of the present application is not limited to the above examples, and all technical solutions belonging to the concept of the present application belong to the protection scope of the present application. It should be noted that modifications and adaptations to the application without departing from the principles thereof are intended to be comprehended by those skilled in the art and are intended to be within the scope of the application. While the application has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the application. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. A wheelset lift (100), characterized in that the wheelset lift (100) is used for lifting of wheelsets, comprising:

a first lifting mechanism (10) positioned at the bottom of one end of the wheel set; and

a second lifting mechanism (20) positioned at the bottom of the wheel at the other end of the wheel set; and

the electric control assembly is electrically connected with the first lifting mechanism (10) and the second lifting mechanism (20), and the electric control assembly can control the first lifting mechanism (10) and/or the second lifting mechanism (20) to lift the wheel set.

2. The wheelset lift (100) of claim 1 wherein the first lift mechanism (10) comprises:

a column (11) extending in a first direction; and

a sliding support assembly (12) connected to the upright (11), the sliding support assembly (12) being reciprocally movable relative to the upright (11) in a first direction, the wheels of one end of the wheelset being located on the sliding support assembly (12);

the electric control assembly is electrically connected with the sliding support assembly (12) and used for controlling the sliding support assembly (12) to lift.

3. The wheelset lift (100) of claim 2 wherein the sliding support assembly (12) comprises:

a housing (121); and

a ball screw provided in the housing (121),

the driving structure is arranged at the top end of the shell (121) and is electrically connected with the electric control assembly; and

a support block (122) disposed on the drive structure;

the ball screw nut is fixedly connected with the upright post (11), the ball screw is connected with the driving structure, the nut is fixed by the upright post (11), and the driving structure drives the ball screw to drive the driving structure, the housing (121) and the supporting block (122) to move up and down when the screw rotates in the housing (121).

4. A wheel set elevator (100) according to claim 3, wherein the support block (122) is provided with a support rail (1221), the support rail (1221) being adapted to the wheels of one end of the wheel set.

5. A wheel set elevator (100) according to claim 3, wherein the drive structure comprises a rotating motor, a rotating rod of which is connected to a screw of the ball screw, and a stationary cylinder of which is connected to the support block (122).

6. The wheel set lift (100) of claim 5, wherein the drive structure further comprises a decelerator disposed between the rotary motor and the ball screw, the decelerator having a torque input coupled to a rotary shaft of the rotary motor and a torque output coupled to the ball screw.

7. Wheel-set lift (100) according to claim 2, characterized in that the upright (11) comprises:

a connecting member (111) having one end connected to the sliding support assembly (12); and

a side plate (112) connected to the other end of the connecting member (111); and

the top plate assembly (113) is arranged at the top end of the side plate (112), an avoidance groove hole is formed in the top plate assembly (113), and the sliding support assembly (12) can extend out of the top plate assembly (113) through the avoidance groove hole.

8. The wheel set lift (100) of claim 7, wherein the top plate assembly (113) includes:

a support plate (1131) provided with the escape slot; and

a fixed rail (1132) provided on the support plate (1131);

a fixing member (1133) disposed on the support plate member (1131), the fixing member (1133) being for fixing the support plate member (1131) to an external fixing base (200);

wherein, when the sliding support assembly (12) is in the initial position, the fixed rail (1132) is flush with the support rail (1221) of the sliding support assembly (12).

9. The wheel set lift (100) of claim 8, wherein the electronic control assembly includes:

a control circuit electrically connected to the first elevating mechanism (10) and the second elevating mechanism (20);

the control button is arranged on the control circuit and is used for controlling the first lifting mechanism (10) to lift, or the second lifting mechanism (20), or the first lifting mechanism (10) and the second lifting mechanism (20) to lift synchronously.

10. A wheelset lifting system, the wheelset lifting system comprising:

a plurality of wheel set lifts (100) as claimed in claims 1 to 9;

and the control device is electrically connected with the electric control assemblies of the wheel pair elevators (100).