CN212151491U - Longitudinal aligning device of car lifting jack - Google Patents
Longitudinal aligning device of car lifting jack Download PDFInfo
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- CN212151491U CN212151491U CN202020574591.4U CN202020574591U CN212151491U CN 212151491 U CN212151491 U CN 212151491U CN 202020574591 U CN202020574591 U CN 202020574591U CN 212151491 U CN212151491 U CN 212151491U
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- lifting jack
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- car lifting
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 15
- 241000271559 Dromaiidae Species 0.000 claims abstract description 7
- 230000009471 action Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000008439 repair process Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a EMUs overhaul the field, disclose a car lifting jack vertical aligning device. The vertical aligning device of the car lifting jack comprises a driving wheel, a driven wheel, an elastic part and a distance sensor, wherein the driving wheel and the driven wheel are arranged on a walking rail of the car lifting jack in a sliding mode, the driving wheel and the driven wheel are connected with a car body lifting device of the car lifting jack through the elastic part respectively, and the distance sensor is arranged on the driven wheel and used for measuring the vertical displacement of the car body lifting device so that a supporting head of the car body lifting device is vertically aligned with a car lifting point of a motor train unit to be overhauled. The utility model provides a vertical aligning device of car lifting jack is convenient for shift automobile body lifting device to required position, easily realizes automatic counterpoint, has improved counterpoint precision and maintenance efficiency, has shortened the repair time of whole EMUs.
Description
Technical Field
The utility model relates to a EMUs overhaul the field, especially relate to a car lifting jack vertical aligning device.
Background
In the operation of the motor train unit, in order to ensure the operation safety of the motor train unit, the motor train unit has a certain overhaul period, after the motor train unit reaches the specified operation mileage, the bogie of the motor train unit needs to be replaced and maintained, the motor train unit needs to be integrally lifted to a proper height at the moment, the bogie needs to be taken down, the maintained bogie needs to be installed on the motor train unit again, and the motor train unit needs to be used in the operation process. The pit type car lifting jack is characterized in that a plurality of bogie lifting devices with lifting tracks and car body lifting devices are arranged on two sides of the pit type car lifting jack at intervals, the bogie lifting devices of the pit type car lifting jack can lift a whole train of motor train units to reach a proper height, the car body lifting devices support the car body to keep the corresponding height after lifting, and after a connecting part of a bogie and the car body is disassembled, the bogie lifting devices can drop the bogie, so that the bogie is separated from the car body. A fixed rail is arranged between two adjacent bogie lifting devices, and the fixed rail and the lifting rails on the bogie lifting devices form a continuous rail for the running of the motor train unit and the inlet and outlet of the disassembled bogie.
At present, in the overhauling operation of the car lifting jack, a great potential safety hazard exists in the longitudinal alignment of the car body lifting device and the car lifting points of the motor train unit, the overhauling efficiency of the car lifting jack is influenced, and the overhauling time of the whole motor train unit is prolonged.
SUMMERY OF THE UTILITY MODEL
Based on above problem, an object of the utility model is to provide a vertical aligning device of car lifting jack, the security is high, improves maintenance efficiency.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a vertical aligning device of car lifting jack, includes the action wheel, follows driving wheel, elastic component and distance sensor, the action wheel with follow the driving wheel all slide set up in on the walking rail of car lifting jack, the action wheel with follow driving wheel and pass through respectively the elastic component with the car body lifting device of car lifting jack is connected, distance sensor set up in from on the driving wheel, be used for measuring car body lifting device's vertical displacement, so that car body lifting device's support head is vertically aligned with the car lifting jack point of waiting to overhaul EMUs.
As the utility model discloses a car lifting jack vertical alignment device's preferred scheme, the action wheel with all be provided with first mount pad from the driving wheel, automobile body lifting device is provided with the second mount pad, first mount pad with second mount pad sliding fit, the one end butt of elastic component in on the first mount pad, the other end butt in on the second mount pad.
As the utility model discloses a car lifting jack vertical aligning device's preferred scheme, the elastic component is the spring.
As the utility model discloses a car lifting jack is vertical to preferred scheme of aligning device, be provided with the guide post on the second mount pad, the spring housing is located on the guide post, the guide post with first mount pad sliding connection.
As the utility model discloses a car lifting jack vertical alignment device's preferred scheme, first mount pad orientation one side of automobile body lifting devices is provided with the blotter.
As the utility model discloses a car lifting jack is vertical to aligning device's preferred scheme, first mount pad is dorsad one side of automobile body lifting devices is provided with crashproof touch panel and pressure sensor, pressure sensor set up in crashproof touch panel with between the first mount pad.
As the utility model discloses a vertical aligning device of car lifting jack's preferred scheme, vertical aligning device of car lifting jack still includes driving motor and coupling shaft, driving motor passes through the coupling shaft with the action wheel transmission is connected.
As the utility model discloses a car lifting jack is vertical to aligning device's preferred scheme, driving motor is provided with arresting gear, distance sensor surveys when automobile body lifting devices's longitudinal displacement reaches preset longitudinal displacement, through arresting gear stops the action wheel.
As the utility model discloses a car lifting jack vertical alignment device's preferred scheme, be provided with manual brake mechanism on the action wheel, manual brake mechanism is used for manual braking the action wheel.
As the utility model discloses a vertical aligning device's of car lifting jack preferred scheme, the action wheel with all be provided with two, two from the driving wheel the action wheel is located one side of automobile body lifting device, two from the driving wheel is located automobile body lifting device's opposite side.
The utility model has the advantages that:
the utility model provides a vertical aligning device of car lifting jack, drive through the action wheel and slide on the walking rail of car lifting jack from the driving wheel, be convenient for shift automobile body lifting device to required position, the action wheel is connected with automobile body lifting device through the elastic component respectively with from the driving wheel, the impact force that receives automobile body lifting device cushions, improve the security of counterpoint operation, set up distance sensor from the driving wheel, measure automobile body lifting device's vertical displacement through distance sensor, so that automobile body lifting device's support head vertically counterpoints with the car lifting point of waiting to overhaul the EMUs, easily realize automatic counterpoint, counterpoint precision and maintenance efficiency have been improved, the repair time of whole EMUs has been shortened.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural view of a vertical aligning device of a car lifting jack provided in an embodiment of the present invention.
In the figure:
1-a driving wheel; 2-driven wheel; 3-an elastic member; 4-a distance sensor; 5-a first mounting seat; 6-a second mounting seat; 7-a guide post; 8-driving a motor; 9-a coupling shaft;
100-vehicle body lifting device; 200-supporting the head.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment provides a longitudinal aligning device of a car lifting jack, which can be used for longitudinal aligning operation of a car body lifting device of the car lifting jack and a train lifting point of a motor train unit. As shown in figure 1, the longitudinal aligning device of the car lifting jack comprises a driving wheel 1, a driven wheel 2, an elastic piece 3 and a distance sensor 4. The driving wheel 1 and the driven wheel 2 are arranged on a running rail of the car lifting jack in a sliding mode, the driving wheel 1 and the driven wheel 2 are connected with a car body lifting device 100 of the car lifting jack through elastic pieces 3 respectively, and the distance sensor 4 is arranged on the driven wheel 2 and used for measuring the longitudinal displacement of the car body lifting device 100, so that a supporting head 200 of the car body lifting device 100 is longitudinally aligned with a car lifting point of the motor train unit to be overhauled. The distance sensor 4 may be an infrared distance sensor, and a corresponding reference point is set at the maintenance site to measure the longitudinal displacement of the vehicle body lifting device 100. The distance sensor 4 can also be a photoelectric encoder, and measures the rotation angle of the driven wheel 2 to obtain the longitudinal displacement of the vehicle body lifting device 100.
The driving wheel 1 drives the driven wheel 2 to slide on a running rail of the train lifting device, the train lifting device 100 is convenient to transfer to a required position, the driving wheel 1 and the driven wheel 2 are respectively connected with the train lifting device 100 through the elastic part 3, the impact force on the train lifting device 100 is buffered, the safety of alignment operation is improved, the driven wheel 2 is provided with the distance sensor 4, the longitudinal displacement of the train lifting device 100 is measured through the distance sensor 4, so that the supporting head 200 of the train lifting device 100 is longitudinally aligned with a train lifting point of a train unit to be overhauled, automatic alignment is easy to realize, the alignment precision and the overhaul efficiency are improved, and the overhaul time of the whole train unit is shortened.
In order to facilitate the connection of the driving wheel 1 and the driven wheel 2 with the vehicle body lifting device 100, optionally, the driving wheel 1 and the driven wheel 2 are both provided with a first mounting seat 5, the vehicle body lifting device 100 is provided with a second mounting seat 6, the first mounting seat 5 is in sliding fit with the second mounting seat 6, one end of the elastic member 3 is abutted to the first mounting seat 5, and the other end of the elastic member is abutted to the second mounting seat 6. For convenience of drawing materials, the elastic member 3 is optionally a spring. In order to facilitate the installation of the spring, optionally, a guide post 7 is arranged on the second installation seat 6, the spring is sleeved on the guide post 7, and the guide post 7 is slidably connected with the first installation seat 5.
To cushion the impact force to which the vehicle body lifting device 100 is subjected, optionally, a cushion pad is provided on a side of the first mounting seat 5 facing the vehicle body lifting device 100. The cushion pad can be made of rubber materials and is wear-resistant. In order to prevent the vehicle body lifting device 100 from being damaged due to severe collision, optionally, a side of the first mounting seat 5 facing away from the vehicle body lifting device 100 is provided with a crashworthy touch panel and a pressure sensor, and the pressure sensor is arranged between the crashworthy touch panel and the first mounting seat 5.
In order to drive the driving wheel 1, optionally, the longitudinal aligning device of the car lifting jack further comprises a driving motor 8 and a coupling shaft 9, and the driving motor 8 is in transmission connection with the driving wheel 1 through the coupling shaft 9. In order to brake the driving wheel 1 in time, optionally, the driving motor 8 is provided with a braking device, and the driving wheel 1 is stopped by the braking device when the longitudinal displacement of the vehicle body lifting device 100 measured by the distance sensor 4 reaches a preset longitudinal displacement. In order to prevent the driving wheel 1 from being braked in an emergency, optionally, a hand brake mechanism is arranged on the driving wheel 1 and used for manually braking the driving wheel 1. The hand brake structure can be a structure combining a handle and a brake pad, and is simple in structure and convenient to operate.
In order to ensure that the vehicle body lifting device 100 is uniformly stressed, optionally, two driving wheels 1 and two driven wheels 2 are provided, wherein the two driving wheels 1 are located on one side of the vehicle body lifting device 100, and the two driven wheels 2 are located on the other side of the vehicle body lifting device 100. In this embodiment, the two driving wheels 1 and the two driven wheels 2 are not disposed at the four corners of the vehicle body lifting apparatus 100, but are disposed at suitable positions according to the center of the entire vehicle body lifting apparatus 100, thereby improving the safety of operation.
The longitudinal aligning device of the car lifting jack provided by the embodiment drives the driven wheel 2 to slide on the running rail of the car lifting jack through the driving wheel 1, the car lifting jack 100 is convenient to transfer to a required position, the driving wheel 1 and the driven wheel 2 are respectively connected with the car lifting jack 100 through the elastic piece 3, the impact force on the car lifting jack 100 is buffered, the safety of aligning operation is improved, the driven wheel 2 is provided with the distance sensor 4, the longitudinal displacement of the car lifting jack 100 is measured through the distance sensor 4, so that the supporting head 200 of the car lifting jack 100 is longitudinally aligned with a car lifting point of a motor train unit to be overhauled, automatic aligning is easy to realize, the aligning precision and the overhauling efficiency are improved, and the overhauling time of the whole motor train unit is shortened.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a vertical aligning device of car lifting jack, its characterized in that, includes action wheel (1), follows driving wheel (2), elastic component (3) and distance sensor (4), action wheel (1) with follow driving wheel (2) all slide set up in on the walking rail of car lifting jack, action wheel (1) with follow driving wheel (2) and pass through respectively elastic component (3) with car body lifting device (100) of car lifting jack are connected, distance sensor (4) set up in follow driving wheel (2) on, be used for measuring the vertical displacement of car body lifting device (100), so that the vertical aligning of head (200) and the car lifting jack point of waiting to overhaul EMUs of car body lifting device (100).
2. The longitudinal alignment device of the car lifting jack according to claim 1, wherein the driving wheel (1) and the driven wheel (2) are provided with first installation seats (5), the car body lifting device (100) is provided with second installation seats (6), the first installation seats (5) are in sliding fit with the second installation seats (6), one end of the elastic member (3) abuts against the first installation seats (5), and the other end of the elastic member abuts against the second installation seats (6).
3. The longitudinal alignment device of a car lifting jack according to claim 2, wherein the elastic member (3) is a spring.
4. The longitudinal alignment device of the car lifting jack according to claim 3, wherein a guide post (7) is arranged on the second mounting seat (6), the spring is sleeved on the guide post (7), and the guide post (7) is slidably connected with the first mounting seat (5).
5. The longitudinal alignment device of car lifting jack according to claim 2, characterized in that a cushion pad is disposed on one side of the first mounting seat (5) facing the car body lifting device (100).
6. The longitudinal alignment device of the car lifting jack according to claim 2, wherein a side of the first mounting seat (5) facing away from the car body lifting device (100) is provided with a crash pad and a pressure sensor, and the pressure sensor is arranged between the crash pad and the first mounting seat (5).
7. The longitudinal aligning device of the car lifting jack according to claim 1, further comprising a driving motor (8) and a coupling shaft (9), wherein the driving motor (8) is in transmission connection with the driving wheel (1) through the coupling shaft (9).
8. The longitudinal alignment device of car lifting jack according to claim 7, characterized in that the driving motor (8) is provided with a braking device, and when the longitudinal displacement of the car body lifting device (100) measured by the distance sensor (4) reaches a preset longitudinal displacement, the driving wheel (1) is stopped by the braking device.
9. The car lifting jack longitudinal alignment device according to claim 8, wherein a hand brake mechanism is arranged on the driving wheel (1), and the hand brake mechanism is used for manually braking the driving wheel (1).
10. The longitudinal alignment device of the car lifting jack according to any one of claims 1 to 9, wherein two driving wheels (1) and two driven wheels (2) are provided, two driving wheels (1) are located on one side of the car lifting device (100), and two driven wheels (2) are located on the other side of the car lifting device (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020574591.4U CN212151491U (en) | 2020-04-17 | 2020-04-17 | Longitudinal aligning device of car lifting jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020574591.4U CN212151491U (en) | 2020-04-17 | 2020-04-17 | Longitudinal aligning device of car lifting jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212151491U true CN212151491U (en) | 2020-12-15 |
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ID=73718703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020574591.4U Active CN212151491U (en) | 2020-04-17 | 2020-04-17 | Longitudinal aligning device of car lifting jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212151491U (en) |
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2020
- 2020-04-17 CN CN202020574591.4U patent/CN212151491U/en active Active
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