CN221165071U - Telescopic arm mechanism of vehicle shifter - Google Patents
Telescopic arm mechanism of vehicle shifter Download PDFInfo
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- CN221165071U CN221165071U CN202323378549.8U CN202323378549U CN221165071U CN 221165071 U CN221165071 U CN 221165071U CN 202323378549 U CN202323378549 U CN 202323378549U CN 221165071 U CN221165071 U CN 221165071U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 53
- 230000008859 change Effects 0.000 claims abstract description 10
- 230000009471 action Effects 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 239000003245 coal Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of tipplers, and particularly relates to a telescopic arm mechanism of a tippler, which comprises a rack oil cylinder, a driving shaft, a driving arm, a crank arm, a telescopic arm and a cam mechanism, wherein the rack oil cylinder drives the driving shaft to reciprocate, the driving arm is vertically arranged with the driving shaft, one end of the driving arm is fixedly connected to the driving shaft, the other end of the driving arm is hinged with one end of the crank arm, the other end of the crank arm is hinged with the telescopic arm, a coupler for connecting a car body is arranged at the outer end of the telescopic arm, a telescopic arm slideway for assisting sliding is arranged outside the telescopic arm, and a guide mechanism for guiding and supporting is arranged below the telescopic arm; the cam mechanism is connected to the drive shaft and rotates with the drive shaft, thereby limiting the change in position of the telescoping arm during telescoping. The utility model controls the extension and retraction of the telescopic arm through the connecting rod structure, has simple structure and high action speed, and effectively ensures that the telescopic arm goes in and goes out along the linear direction. And the accurate positioning of the coupler is ensured through the cam mechanism and the guide mechanism.
Description
Technical Field
The utility model belongs to the technical field of tipplers, and particularly relates to a telescopic arm mechanism of a vehicle shifter.
Background
The dumper unloading system is a large-scale automatic unloading system for enterprises such as power plants, ports, metallurgy, coal, coking and the like, and can be used for dumping bulk materials loaded by railway open cars. The vehicle shifter (positioning vehicle) is one of auxiliary equipment in the vehicle dumper unloading line complete equipment, wherein the telescopic arm mechanism of the vehicle shifter (positioning vehicle) is an important part.
With the continuous development of large industrial enterprises such as domestic power plants, steel plants, ports and the like, the use demands of raw materials (coal, iron powder and the like) are increasing, the frequency of railway transportation raw materials (coal, iron powder and the like) is increasing, and the dumper system is one of main modes for unloading railway raw materials (coal, iron powder and the like). The car puller (positioning car) is used as an important component of the car dumper system and is responsible for pulling the train wagon into the car dumper system to dumper, and the efficiency and the stability of the car puller are directly related to the unloading capacity of the whole car dumper system. The important factors in the improvement of the efficiency of the vehicle shifter (positioning vehicle) are the action speed, the positioning accuracy, the stability and the like of the telescopic arm mechanism, and the existing vehicle shifter is difficult to meet the requirements of high stability and high accuracy.
Disclosure of Invention
According to the defects of the prior art, the utility model aims to provide the telescopic arm mechanism of the vehicle shifter, so that the positioning performance of the vehicle shifter is improved.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the telescopic arm mechanism of the vehicle shifting machine comprises a rack oil cylinder, a driving shaft, a driving arm, a crank arm, a telescopic arm and a cam mechanism, wherein the rack oil cylinder drives the driving shaft to reciprocate, the driving arm is vertically arranged with the driving shaft, one end of the driving arm is fixedly connected with the driving shaft, the other end of the driving arm is hinged with one end of the crank arm, the other end of the crank arm is hinged with the telescopic arm, a coupler for connecting a vehicle body is arranged at the end part of the telescopic arm, a telescopic arm slideway for assisting sliding is arranged outside the telescopic arm, and a guide mechanism for guiding and supporting is arranged below the telescopic arm; the cam mechanism is connected to the drive shaft and rotates with the drive shaft, thereby limiting the change in position of the telescoping arm during telescoping.
Further, the cam mechanism comprises a cam, a connecting rod and a pressing wheel, wherein the cam is connected to the driving shaft and synchronously rotates along with the driving shaft, the cam is connected with one end of the connecting rod through a movable hinge point, the other end of the connecting rod is connected with a fixed hinge point, the pressing wheel is connected to the connecting rod, and in the cam rotation process, the pressing wheel is always propped against the upper portion of the telescopic arm slideway.
Further, the movable hinge point is arranged at the outer edge of the cam, and the change of the position of the movable hinge point is guided through the change of the outer contour of the cam.
Further, the lower part of the telescopic arm is guided and limited by a guide mechanism, the upper part of the telescopic arm is guided and limited by a pinch roller, and the telescopic arm is in a horizontal position in a retracted state; and in the extending state of the telescopic arm, the telescopic arm is in an inclined position.
Further, the telescopic boom slideway is arranged on two sides of the telescopic boom, and the guiding mechanism is matched with the telescopic boom slideway for guiding.
Further, the guide mechanism comprises a first guide wheel device and a second guide wheel device, and the first guide wheel device and the second guide wheel device are arranged back and forth along the extension direction of the telescopic arm; the first guide wheel device and the second guide wheel device are matched with the telescopic arm slideway.
Further, the driving shaft, the driving arm and the crank arm are all positioned above the telescopic arm, and the crank arm is hinged with the connecting seat above the telescopic arm.
Further, the telescopic arm mechanism of the vehicle shifting machine further comprises a support, the rack oil cylinder is mounted on the support, and the driving shaft is rotatably connected in the support.
Further, the rack oil cylinder is connected with a hydraulic station, and hydraulic oil is provided by the hydraulic station to control the action of the rack oil cylinder.
The beneficial effects of the utility model are as follows: according to the utility model, the connecting rod structure is formed by the driving arm, the crank arm and the telescopic arm, and the connecting rod mechanism is controlled to link through the rotation of the driving shaft, so that the extension and retraction of the telescopic arm are controlled, the structure is simple, the action speed is high, and the telescopic arm is effectively ensured to go in and out along the linear direction. Meanwhile, the cam mechanism and the guide mechanism are used for guiding and limiting the telescopic arm at the upper side and the lower side of the telescopic arm, so that the coupler is ensured to be positioned accurately.
Drawings
FIG. 1 is a schematic view of a retractable arm in a retractable arm mechanism of a bicycle shifter;
FIG. 2 is a schematic view of a telescopic arm in a telescopic arm mechanism of a bicycle shifter;
FIG. 3 is a top view of the telescopic arm mechanism of the bicycle shifter of FIG. 1;
FIG. 4 is a view A-A of FIG. 1;
FIG. 5 is a cross-sectional view of the guide wheel assembly;
In the figure: 1 telescopic boom, 2 crank arms, 3 driving arms, 4 cam mechanisms, 4.1 cams, 4.2 connecting rods, 4.3 pinch rollers, 4.4 movable hinge points, 4.5 fixed hinge points, 5 first guide wheel devices, 6 supports, 7 rack cylinders, 8 driving shafts, 9 coupler devices, 10 second guide wheel devices, 11 telescopic boom slideways and 12 hydraulic stations.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
Referring to fig. 1-4, a telescopic arm mechanism of a vehicle shifter comprises a rack oil cylinder 7, a driving shaft 8, a driving arm 3, a crank arm 2, a telescopic arm 1 and a cam mechanism 4, wherein the rack oil cylinder drives the driving shaft 8 to reciprocate, the driving arm 3 is vertically arranged with the driving shaft 8, one end of the driving arm 3 is fixedly connected with the driving shaft 8, the other end of the driving arm 3 is hinged with one end of the crank arm 2, the other end of the crank arm 2 is hinged with the telescopic arm 1, a coupler 9 for connecting a vehicle body is arranged at the end of the telescopic arm 1, a telescopic arm slideway 11 for assisting sliding is arranged outside the telescopic arm 1, a first guide wheel device 5 and a second guide wheel device 10 for guiding and supporting are arranged below the telescopic arm 1, the first guide wheel device 5 and the second guide wheel device 10 are arranged back and forth along the extending direction of the telescopic arm, the first guide wheel device 5 is close to the coupler 9, and the second guide wheel 10 is far away from the coupler 9; the first guide wheel device 5 and the second guide wheel device 10 are matched with the telescopic arm slideway 11; the cam mechanism 4 comprises a cam 4.1, a connecting rod 4.2 and a pressing wheel 4.3, wherein the cam 4.1 is connected to the driving shaft 8 and synchronously rotates along with the driving shaft 8, the cam 4.1 is connected with one end of the connecting rod 4.2 through a movable hinge point 4.4, the other end of the connecting rod 4.2 is connected with a fixed hinge point 4.5, the pressing wheel 4.3 is connected to the connecting rod 4.2, the pressing wheel 4.3 is always propped against the upper part of the telescopic arm slideway 11 in the rotation of the cam 4.1, and the position change of the telescopic arm 1 in the telescopic process is limited through the pressing wheel 4.3.
Based on the above technical scheme, the telescopic boom 1 lower part is spacing through leading of first leading wheel device 5 and second leading wheel device 10, telescopic boom 1 upper portion is spacing through the direction of pinch roller 4.3. When the telescopic boom 1 is retracted, the driving arm 3 and the crank arm 2 are in an unfolding state, the lower part of the telescopic boom slideway 11 is contacted with the first guide wheel device 5 and the second guide wheel device 10, the upper part of the telescopic boom slideway 11 is contacted with the pinch roller 4.3, and the telescopic boom 1 is in a horizontal position; when the telescopic boom 1 stretches out, the driving arm 3 and the crank arm 2 are in a folding state, the lower part of the telescopic boom slideway 11 is contacted with the first guide wheel device 5 and is separated from the second guide wheel device 10, the upper part of the telescopic boom slideway 11 is contacted with the pinch roller 4.3, the telescopic boom 1 is in an inclined position, the dislocation arrangement of the first guide wheel device 5 and the cam mechanism 4 limits the inclination angle of the telescopic boom 1, and the telescopic boom 1 just reaches the height of the coupler 9 after stretching out. In the extending process of the telescopic arm 1, the inclination angle of the telescopic arm 1 is gradually adjusted through the cam mechanism 4, so that the positioning accuracy is high, the action is safe, and the abrasion is small.
In this embodiment, the movable hinge point 4.4 is disposed at the outer edge of the cam 4.1, and the change of the position of the movable hinge point 4.4 is guided by the change of the outer contour of the cam 4.1.
In this embodiment, the telescopic boom slides 11 are disposed on two sides of the telescopic boom 1, the telescopic boom slides 11 and the telescopic boom 1 move synchronously, and the first guide wheel device 5 and the second guide wheel device 10 are matched and guided with the telescopic boom slides 11.
In this embodiment, the driving shaft 8, the driving arm 3 and the crank arm 2 are all located above the telescopic arm 1, and the crank arm 2 is hinged to a connecting seat above the telescopic arm 1.
In this embodiment, the telescopic arm mechanism of the bicycle shifter further comprises a support 6, the rack cylinder is mounted on the support, and the driving shaft 8 is rotatably connected in the support 6.
In this embodiment, the rack cylinder 7 is connected with a hydraulic station 12, and hydraulic oil is provided by the hydraulic station 13 to control the action of the rack cylinder 7.
The main principle of the utility model is that a hydraulic station 12 provides power to drive a rack oil cylinder 7 to reciprocate, a driving arm 3, a crank arm 2, a driving shaft 8, a telescopic arm 1 and a cam mechanism 4 form a four-bar mechanism, and the rack oil cylinder 7 serves as power to drive the crank arm 2 to extend and return the telescopic arm 1 through the driving shaft 8 so as to complete the telescopic operation. The telescopic boom 1 moves on the 5-guide wheel device, a telescopic boom slideway 11 is arranged on the telescopic boom 1, the telescopic boom is ensured to do linear motion, and the guide wheels are arranged front and back. The telescopic arm 1 just reaches the height of the car coupler after extending out; the telescopic arm slideway 11 moves on the guide wheel, and the cam mechanism 4 is connected with the driving shaft 8. The rack oil cylinder 7 realizes the control of the stroke, the telescopic arm slideway 11 realizes the linear motion, the combination of the guide wheel and the cam realizes the angle control, and the height of the coupler is just reached after the guide wheel and the cam extend out. The four-bar linkage principle combines cam motion and a rack cylinder to realize linear in and out, and has accurate positioning, space saving, cost reduction and simple structure.
It should be noted that the detailed portions of the present utility model are not described in the prior art.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited 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 formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
The foregoing list is only the preferred embodiments of the present utility model. Obviously, the utility model is not limited to the above embodiments, but many variations are possible. All modifications directly derived or suggested to one skilled in the art from the present disclosure should be considered as being within the scope of the present utility model.
Claims (9)
1. The utility model provides a dial car machine telescopic arm mechanism which characterized in that: the device comprises a rack oil cylinder, a driving shaft, a driving arm, a crank arm, a telescopic arm and a cam mechanism, wherein the rack oil cylinder drives the driving shaft to reciprocate, the driving arm is vertically arranged with the driving shaft, one end of the driving arm is fixedly connected with the driving shaft, the other end of the driving arm is hinged with one end of the crank arm, the other end of the crank arm is hinged with the telescopic arm, the end part of the telescopic arm is provided with a coupler for connecting a car body, the outside of the telescopic arm is provided with a telescopic arm slideway for assisting sliding, and a guiding mechanism for guiding and supporting is arranged below the telescopic arm; the cam mechanism is connected to the drive shaft and rotates with the drive shaft, thereby limiting the change in position of the telescoping arm during telescoping.
2. The telescopic arm mechanism of a bicycle shifter according to claim 1, wherein: the cam mechanism comprises a cam, a connecting rod and a pressing wheel, wherein the cam is connected to the driving shaft and synchronously rotates along with the driving shaft, one end of the cam is connected with one end of the connecting rod through a movable hinge point, the other end of the connecting rod is connected with a fixed hinge point, the pressing wheel is connected to the connecting rod, and in the rotating process of the cam, the pressing wheel is always propped against the upper portion of the telescopic arm slideway.
3. The telescopic arm mechanism of a bicycle shifter according to claim 2, wherein: the movable hinge point is arranged on the outer edge of the cam, and the change of the position of the movable hinge point is guided through the change of the outer contour of the cam.
4. The telescopic arm mechanism of a bicycle shifter according to claim 2, wherein: the lower part of the telescopic arm is guided and limited by a guide mechanism, the upper part of the telescopic arm is guided and limited by a pinch roller, and the telescopic arm is positioned at a horizontal position in a retracted state of the telescopic arm; and in the extending state of the telescopic arm, the telescopic arm is in an inclined position.
5. The telescopic arm mechanism of a bicycle shifter according to claim 1, wherein: the telescopic boom slideway is arranged on two sides of the telescopic boom, and the guiding mechanism is matched with the telescopic boom slideway for guiding.
6. The telescopic arm mechanism of a bicycle shifter according to claim 1, wherein: the guide mechanism comprises a first guide wheel device and a second guide wheel device, and the first guide wheel device and the second guide wheel device are arranged back and forth along the extending direction of the telescopic arm; the first guide wheel device and the second guide wheel device are matched with the telescopic arm slideway.
7. The telescopic arm mechanism of a bicycle shifter according to claim 1, wherein: the driving shaft, the driving arm and the crank arm are all positioned above the telescopic arm, and the crank arm is hinged with the connecting seat above the telescopic arm.
8. The telescopic arm mechanism of a bicycle shifter according to claim 1, wherein: the rack oil cylinder is mounted on the support, and the driving shaft is rotatably connected in the support.
9. The telescopic arm mechanism of a bicycle shifter according to claim 1, wherein: the rack oil cylinder is connected with a hydraulic station, and hydraulic oil is provided by the hydraulic station to control the action of the rack oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323378549.8U CN221165071U (en) | 2023-12-12 | 2023-12-12 | Telescopic arm mechanism of vehicle shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323378549.8U CN221165071U (en) | 2023-12-12 | 2023-12-12 | Telescopic arm mechanism of vehicle shifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221165071U true CN221165071U (en) | 2024-06-18 |
Family
ID=91536735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323378549.8U Active CN221165071U (en) | 2023-12-12 | 2023-12-12 | Telescopic arm mechanism of vehicle shifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221165071U (en) |
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2023
- 2023-12-12 CN CN202323378549.8U patent/CN221165071U/en active Active
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