CN210923098U - Automatic hooking device for online detection of tractor hydraulic suspension system - Google Patents
Automatic hooking device for online detection of tractor hydraulic suspension system Download PDFInfo
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- CN210923098U CN210923098U CN201921824391.3U CN201921824391U CN210923098U CN 210923098 U CN210923098 U CN 210923098U CN 201921824391 U CN201921824391 U CN 201921824391U CN 210923098 U CN210923098 U CN 210923098U
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- 238000001514 detection method Methods 0.000 title claims abstract description 41
- 239000000725 suspension Substances 0.000 title claims abstract description 36
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 25
- 238000009434 installation Methods 0.000 claims description 5
- 238000012937 correction Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 230000009467 reduction Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 239000003921 oil Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000000245 forearm Anatomy 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
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- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses an on-line detection automatic hitching device for a tractor hydraulic suspension system, which comprises a hydraulic loading device and an automatic hitching device, wherein the hydraulic loading device is arranged on a horizontal station platform, and the automatic hitching device is arranged at one end of the hydraulic loading device connected with a tractor lower pull rod; the utility model provides an on-line detection automatic hanging device of a tractor hydraulic suspension system, which applies load through a hydraulic oil cylinder to meet the detection requirement of the lifting capacity of the suspension device in the on-line detection of the whole tractor; the utility model discloses simple structure, dependable performance, very big reduction workman's intensity of labour, through quick automatic articulate, can effectively accomplish tractor suspension lifting capacity on-line measuring.
Description
Technical Field
The utility model relates to an agriculture and forestry machinery detects technical field, and more specifically the utility model relates to an automatic hooking device of tractor hydraulic suspension system on-line measuring that says so.
Background
The appearance of the tractor serves as a milestone for agricultural mechanization and is an important mark started in the era of agricultural mechanization. The tractor not only improves the production efficiency in agricultural production, but also liberates the labor force of farmers.
The hydraulic suspension system plays an extremely important role in the mechanized operation of the tractor, and the tractor can finish different agricultural operations by hanging and lifting farm implements. As the main power of agricultural mechanized production, the tractors in China currently have various brands and have strong market competition. The most important work for an agricultural machinery enterprise is the control of the product delivery quality, and the delivery detection of the hydraulic suspension system is more important. Performance index detection of a tractor hydraulic suspension system generally comprises maximum lifting force, lifting times, lifting time, lifting stroke and maximum static settlement. The completeness of the performance index generally reflects the assembly quality of related parts to a certain extent, for example, the maximum lifting force index reflects the assembly quality of a hydraulic oil circuit, an oil valve and a pipeline of a suspension system; the lifting stroke index reflects the assembly quality of each part of the position adjusting mechanism; the maximum static settlement index reflects the sealing performance, the assembly quality and the like of each valve body unit and the oil inlet and outlet pipe. Therefore, it is particularly important to perform performance testing of a tractor that is going to be shipped.
At present, the on-line detection process of the tractor hydraulic suspension system at home and abroad is divided into two loading modes of manual weight loading and hydraulic loading, and because the left and right positions of two lower pull rods of the tractor are not fixed, and the upper and lower positions also have deviation, the degree of freedom is more. And the spherical hinge of the lower pull rod and the hanging hole of the lower pull rod are not concentric, so that the two loading modes are both manually hung.
Before testing, the tractor is fixed at a horizontal station, and then a hitching worker connects a corresponding hitching device with a lower pull rod of the tractor. The traditional hitching action needs manual completion of workers, the hitching device is large in mass and heavy, the hitching device needs to be slowly hoisted by using a crown block in the connecting process, the hitching device is aligned with a lower pull rod in a rear suspension system of a tractor by controlling the crown block, and then the pin is penetrated through manual intervention. After the hitching is finished, the loading is carried out by adopting a weight loading or hydraulic loading mode.
Above-mentioned tradition articulates the mode and not only can consume a large amount of time, and beat and efficiency that very big influence detected have increased workman's working strength, articulate the in-process and articulate the ware and still probably drop from the overhead traveling crane, still have certain potential safety hazard.
Therefore, how to provide an automatic tractor hydraulic suspension system on-line detection automatic hitch device is an urgent problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides an on-line detection automatic hitching device for a tractor hydraulic suspension system, which applies load through a hydraulic oil cylinder to meet the detection requirement of the lifting capacity of the suspension device in the on-line detection of the whole tractor; the utility model discloses simple structure, dependable performance, very big reduction workman's intensity of labour, through quick automatic articulate, can effectively accomplish tractor suspension lifting capacity on-line measuring.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an on-line detection automatic hitching device for a tractor hydraulic suspension system comprises a hydraulic loading device and an automatic hitching device, wherein the hydraulic loading device is installed on a horizontal station platform, and the automatic hitching device is installed at one end, connected with a tractor lower pull rod, of the hydraulic loading device;
the hydraulic loading device comprises a support frame, a hydraulic oil cylinder and a lever, wherein one end of the lever is connected with the automatic hanging device, and the other end of the lever is hinged with a piston rod of the hydraulic oil cylinder; the support frame is positioned between the hydraulic oil cylinder and the automatic hanging device and is hinged with the lever;
the automatic hanging device comprises a rack, a hanging ball pin, a rack arc-shaped guide device, a transverse positioning device and a vertical positioning device;
the rack comprises an upper beam, a lower beam, an upright post and a front arm, wherein the upright post is vertically connected below the upper beam, and an upright post baffle is arranged below the upright post; two ends of the lower cross beam are connected with upright post sleeves, and the upright post sleeves are sleeved on the upright posts; the upright posts on the two sides of the upright post sleeve are sleeved with first correction springs; the front arms are horizontally arranged at two ends of the upper cross beam and are vertical to the upper cross beam; the transverse positioning device is arranged at the end part of the front arm; the vertical positioning devices are arranged at two ends of the upper cross beam; the hitching ball pins are arranged in pipe orifices at two ends of the upper cross beam; the rack arc guide device is installed on the upper cross beam and the lower cross beam and connected with the lever.
Preferably, in the above automatic on-line detection hitch of the tractor hydraulic hitch system, the rack arc guide device includes an upper beam sleeve, a lower beam sleeve, an arc guide post mounting plate and a sliding guide plate; the upper beam sleeve is sleeved on the upper beam, a positioning threaded hole is formed in the upper beam sleeve, a positioning bolt is arranged in the positioning threaded hole, and the upper beam sleeve is fixed on the upper beam through the positioning bolt.
The lower cross beam sleeve is sleeved on the lower cross beam and can rotate and slide; one end of the lever is fixedly connected with the lower beam sleeve; the arc-shaped guide posts are mounted on the lower beam sleeve through the arc-shaped guide post mounting plate, and second correcting springs are arranged on the arc-shaped guide posts on two sides of the arc-shaped guide post mounting plate; the sliding guide plate is arranged on the arc-shaped guide post in a sliding mode through a sliding hole formed in the sliding guide plate, and the sliding guide plate is fixedly connected with the upper cross beam sleeve.
Preferably, in the automatic on-line detection hanging device for the tractor hydraulic suspension system, the vertical positioning device comprises an arc-shaped shell and a trapezoidal guide plate, the trapezoidal guide plate is tangent to the outer edge of the arc-shaped shell, and a guide groove is formed in the trapezoidal guide plate; and a connecting lantern ring is arranged on one side of the arc-shaped shell, a ball pin ring is arranged on the other side of the arc-shaped shell, and the arc-shaped shell is sleeved and fixed at the two ends of the upper cross beam through the connecting lantern ring.
Preferably, in the above automatic on-line detection hitch device for a tractor hydraulic hitch system, the hitch ball pin includes a housing, a ball pin spring and a ball pin, the ball pin spring and the ball pin are located in the housing, the ball pin is pressed by the ball pin spring to extend outwards, and the ball pin ring are coaxially arranged;
preferably, in the automatic on-line detection hitch device for the tractor hydraulic hitch system, the front part of the ball pin is of a conical structure, and the diameter of the ball pin is 8-11mm smaller than that of a ball hinge of a lower pull rod of the tractor.
Preferably, in the automatic on-line detection hanging device for the tractor hydraulic suspension system, the transverse positioning device comprises a n-shaped positioning plate, a connecting plate and a connecting column, wherein the connecting plate is connected to one side of the n-shaped positioning plate, and the connecting column is vertically connected to the bottom of the connecting plate; the front end of the front arm is provided with a transverse positioning device mounting hole, the connecting column is inserted into the transverse positioning device mounting hole, and a connecting column separation blade is mounted at the bottom end of the connecting column; and the connecting columns on two sides of the mounting hole of the transverse positioning device are sleeved with third correcting springs.
Preferably, in the automatic on-line detection hanging device for the tractor hydraulic suspension system, the support frame is mounted on a horizontal station platform, and the hydraulic oil cylinder is mounted in a mounting groove formed in the horizontal station platform through a hydraulic cylinder support; the bottom of the hydraulic cylinder support is fixedly connected with the horizontal station platform through a bolt; and a cylinder body rotating shaft is vertically connected to a cylinder body of the hydraulic oil cylinder, and the hydraulic oil cylinder is rotatably installed on the installation plate on the side surface of the hydraulic cylinder bracket through the cylinder body rotating shaft and a matched bearing.
Preferably, in the above automatic on-line detection hitch device for a tractor hydraulic hitch system, the hydraulic cylinder is connected to the hydraulic station through a pipeline.
Preferably, in the above online detection automatic hitch of a tractor hydraulic hitch system, the hydraulic station is controlled by a PLC controller.
According to the technical scheme, compared with the prior art, the utility model discloses an online detection automatic hanging device of a tractor hydraulic suspension system, which adopts a PLC controller to control a hydraulic station, so that a hydraulic oil cylinder is used as a power source to meet the detection requirement of the lifting capacity of the hanging device in the online detection of the whole tractor; the utility model discloses simple structure, dependable performance, very big reduction workman's intensity of labour, improved detection efficiency, eliminated manual work's potential safety hazard simultaneously, through quick automatic articulate, can effectively accomplish tractor suspension lift capacity on-line measuring.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of embodiment 1;
FIG. 3 is a schematic view of the automatic hitch;
FIG. 4 is a schematic view of the automatic hitch assembly after horizontal positioning and vertical positioning;
FIG. 5 is a schematic structural view of the hitch ball pin;
FIG. 6 is a schematic view of the vertical positioning device;
FIG. 7 is a schematic view of a connection structure of the positioning plate and the connecting plate;
FIG. 8 is a schematic diagram showing the maximum distance of free movement of the lower link in the left-right direction.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses an automatic on-line detection hanging device for a tractor hydraulic suspension system, which applies load through a hydraulic oil cylinder to meet the detection requirement of the lifting capacity of the suspension device in the on-line detection of the whole tractor; the utility model discloses simple structure, dependable performance, very big reduction workman's intensity of labour, through quick automatic articulate, can effectively accomplish tractor suspension lifting capacity on-line measuring.
The utility model discloses an automatic hitching device 2 for online detection of a tractor hydraulic suspension system, which comprises a hydraulic loading device 1 and an automatic hitching device 2, wherein the hydraulic loading device 1 is arranged on a horizontal station platform 3, and the automatic hitching device 2 is arranged at one end of the hydraulic loading device 1 connected with a tractor lower pull rod 4;
the hydraulic loading device 1 comprises a support frame 11, a hydraulic oil cylinder 12 and a lever 13, wherein one end of the lever 13 is connected with the automatic hanging device 2, and the other end of the lever is hinged with a piston rod of the hydraulic oil cylinder 12; the support frame 11 is positioned between the hydraulic oil cylinder 12 and the automatic hanging device 2 and is hinged with the lever 13;
the automatic hitching device 2 comprises a frame, a hitching ball pin 21, a frame arc-shaped guide device 22, a transverse positioning device 23 and a vertical positioning device 24;
the frame comprises an upper beam 25, a lower beam 26, an upright 27 and a front arm 28, wherein the upright 27 is vertically connected below the upper beam 25, and an upright baffle is arranged below the upright 27; the two ends of the lower beam 26 are connected with upright post sleeves 29, and the upright post sleeves 29 are sleeved on the upright posts 27; the upright posts 27 on two sides of the upright post sleeve 29 are sleeved with first correcting springs 210; the front arms 28 are horizontally arranged at two ends of the upper cross beam 25 and are vertical to the upper cross beam 25; the lateral positioning device 23 is mounted at the end of the forearm 28; the vertical positioning devices 24 are arranged at two ends of the upper beam 25; the hitching ball pins 21 are arranged in pipe orifices at two ends of the upper cross beam 25; the frame arc guide 22 is mounted on the upper and lower cross members 25 and 26, and the frame arc guide 22 is connected to the lever 13.
In order to further optimize the above technical solution, the rack arc guide device 22 includes an upper beam sleeve 221, a lower beam sleeve 222, an arc guide column 223, an arc guide column mounting plate 224 and a sliding guide plate 225; the upper beam sleeve 221 is sleeved on the upper beam 25, a positioning threaded hole is formed in the upper beam sleeve 221, a positioning bolt is arranged in the positioning threaded hole, the upper beam sleeve 221 is fixed on the upper beam 25 through the positioning bolt, and the position of the rack arc-shaped guide device 22 on the rack can be adjusted by loosening the positioning bolt;
the lower beam sleeve 222 is sleeved on the lower beam 26 and can rotate and slide; one end of the lever 13 is fixedly connected with the lower beam sleeve 222; the arc-shaped guide posts 223 are arranged on the lower beam sleeve 222 through arc-shaped guide post mounting plates 224, and second correcting springs 226 are arranged on the arc-shaped guide posts 223 positioned on the two sides of the arc-shaped guide post mounting plates 224; the sliding guide plate 225 is slidably disposed on the arc-shaped guide column 223 through a sliding hole, and the sliding guide plate 225 is fixedly connected with the upper beam sleeve 221.
In order to further optimize the technical scheme, the vertical positioning device 24 comprises an arc-shaped shell 241 and a trapezoidal guide plate 242, the trapezoidal guide plate 242 is tangent to the outer edge of the arc-shaped shell 241, a guide groove 243 is formed in the trapezoidal guide plate 242, and the tractor lower pull rod 4 can slide upwards along the guide groove 243 during hitching until the tractor lower pull rod 4 slides into the arc-shaped shell 241 through a spherical hinge; one side of the arc shell 241 is provided with a connecting collar 244, the other side is provided with a ball pin ring 245, and the arc shell 241 is sleeved and fixed at two ends of the upper cross beam 25 through the connecting collar 244.
In order to further optimize the above technical solution, the hitch ball pin 21 includes a housing 211, a ball pin spring and a ball pin 212, the ball pin spring and the ball pin 212 are located in the housing 211, and the ball pin 212 is pressed by the ball pin spring to be extended outwards, the ball pin 212 and the ball pin ring 245 are coaxially arranged;
in order to further optimize the technical scheme, the front part of the ball pin 212 is in a conical structure, and the diameter of the conical structure is 8-11mm smaller than the diameter of a ball hinge of the tractor lower pull rod 4.
In order to further optimize the above technical solution, the transverse positioning device 23 comprises a positioning plate 231 in a shape of Chinese character 'ji', a connecting plate 232 and a connecting column 233, wherein the connecting plate 232 is connected to one side of the positioning plate 231 in a shape of Chinese character 'ji', and the connecting column 233 is vertically connected to the bottom of the connecting plate 232; the front end of the front arm 28 is provided with a transverse positioning device mounting hole, the connecting column 233 is inserted into the transverse positioning device mounting hole, and a connecting column baffle is arranged at the bottom end of the connecting column 233; the connecting column 233 at two sides of the transverse positioning device mounting hole is sleeved with a third correction spring 234. The lower end of the positioning plate 231 is protruded left and right, so that the lower pull rod 4 can slide towards the center of the positioning plate 231.
In order to further optimize the technical scheme, the support frame 11 is arranged on the horizontal station platform 3, and the hydraulic oil cylinder 12 is arranged in an installation groove formed in the horizontal station platform 3 through a hydraulic cylinder support 14; the bottom of the hydraulic cylinder bracket 14 is fixedly connected with the horizontal station platform 3 through a bolt; a cylinder body rotating shaft is vertically connected to a cylinder body of the hydraulic cylinder 12, and the hydraulic cylinder 12 is rotatably installed on an installation plate on the side surface of the hydraulic cylinder bracket 14 through the cylinder body rotating shaft and a matched bearing; reinforcing plates are welded to four legs of the hydraulic cylinder bracket 14.
In order to further optimize the above technical solution, the hydraulic cylinder 12 is connected with the hydraulic station by a pipeline.
In order to further optimize the technical scheme, the hydraulic station is controlled by a PLC controller.
An automatic on-line detection hanging device 2 for a tractor hydraulic suspension system comprises a detection station horizontal station platform 3, a lower pull rod 4, a hydraulic oil cylinder 12, an oil inlet and an oil outlet, wherein the detection station horizontal station platform 3 is used for placing a tractor to be detected, and the hydraulic oil cylinder 12 is communicated with a hydraulic station.
Control hydraulic pressure station through the PLC controller and to the inside injected hydraulic oil of hydraulic cylinder 12, the piston rod jacking of hydraulic cylinder 12, under the effect of lever 13, automatic hooking device 2 can be close to tractor pull down rod 4, be close to in-process pull down rod 4 middle part can contact with a few font locating plates 231 of transverse positioning device 23 earlier, one side can contact with pull down rod 4 earlier about a few font locating plates 231, make pull down rod 4 slide to the middle of a few font locating plates 231 under hydraulic cylinder 12 lasts the fuel feeding, thereby accomplish the location of tractor pull down rod 4 left and right sides direction.
In fig. 8, a is the maximum distance that one lower pull rod 4 of the tractor can freely move in the left-right direction.
After the transverse positioning is completed, the guide groove 243 of the trapezoidal guide plate 242 of the vertical positioning device 24 contacts with the front end surface of the tractor lower pull rod 4, and the automatic hitching device 2 continues to slowly move downwards along with the continuous loading of the hydraulic oil cylinder 12. The tractor lower rod 4 slides in the guide slot 243 of the trapezoid guide plate 242 until the front end surface of the uppermost lower rod 4 slides into the arc-shaped shell 241, and at this time, because the front part of the ball pin 212 is in a conical structure, the ball pin 212 is pressed into the shell 211 under the pressure of the front end surface of the lower rod 4.
In the working process, the lower trapezoidal guide plate 242 is fixed with the upper cross beam 25, the lower cross beam sleeve 222 is sleeved on the lower cross beam 26 and can rotate and slide, and one end of the lever 13 is fixedly connected with the lower cross beam sleeve 222, so that the upper cross beam 25 can displace towards the direction of the support frame 11 under the action of thrust, and the second correcting spring 226 close to one side of the support frame 11 is compressed.
The positioning of the lower pull rod 4 in the front-back direction and the left-right direction is completed, the inner hole of the spherical hinge of the lower pull rod 4 of the tractor is coaxially arranged with the spherical pin 212 and the spherical pin ring 245, and at the moment, the external force pressing of the spherical pin 212 from the lower railing is relieved, and the lower pull rod automatically penetrates out of the shell 211. In the automatic pin penetrating process, the inner hole of the spherical hinge of the lower pull rod 4 is not coaxial with the spherical pin 212, so that the diameter of the spherical pin 212 is about 10mm smaller than that of the spherical hinge hole of the lower pull rod 4 in design. The conical structure at the front part of the ball pin 212 can centralize the inner hole of the ball hinge which is not coaxial with the ball pin 212, so that the ball hinge and the inner hole are coaxial, and the pin penetration is completed.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An on-line detection automatic hitching device for a tractor hydraulic suspension system is characterized by comprising a hydraulic loading device and an automatic hitching device, wherein the hydraulic loading device is installed on a horizontal station table, and the automatic hitching device is installed at one end, connected with a tractor lower pull rod, of the hydraulic loading device;
the hydraulic loading device comprises a support frame, a hydraulic oil cylinder and a lever, wherein one end of the lever is connected with the automatic hanging device, and the other end of the lever is hinged with a piston rod of the hydraulic oil cylinder; the support frame is positioned between the hydraulic oil cylinder and the automatic hanging device and is hinged with the lever;
the automatic hanging device comprises a rack, a hanging ball pin, a rack arc-shaped guide device, a transverse positioning device and a vertical positioning device;
the rack comprises an upper beam, a lower beam, an upright post and a front arm, wherein the upright post is vertically connected below the upper beam, and an upright post baffle is arranged below the upright post; two ends of the lower cross beam are connected with upright post sleeves, and the upright post sleeves are sleeved on the upright posts; the upright posts on the two sides of the upright post sleeve are sleeved with first correction springs; the front arms are horizontally arranged at two ends of the upper cross beam and are vertical to the upper cross beam; the transverse positioning device is arranged at the end part of the front arm; the vertical positioning devices are arranged at two ends of the upper cross beam; the hitching ball pins are arranged in pipe orifices at two ends of the upper cross beam; the rack arc guide device is installed on the upper cross beam and the lower cross beam and connected with the lever.
2. The automatic on-line detection hitch of a tractor hydraulic suspension system according to claim 1, wherein the frame arc guide comprises an upper beam sleeve, a lower beam sleeve, an arc guide post mounting plate and a sliding guide plate; the upper crossbeam sleeve is sleeved on the upper crossbeam, a positioning threaded hole is formed in the upper crossbeam sleeve, a positioning bolt is arranged in the positioning threaded hole, and the upper crossbeam sleeve is fixed on the upper crossbeam through the positioning bolt;
the lower cross beam sleeve is sleeved on the lower cross beam and can rotate and slide; one end of the lever is fixedly connected with the lower beam sleeve; the arc-shaped guide posts are mounted on the lower beam sleeve through the arc-shaped guide post mounting plate, and second correcting springs are arranged on the arc-shaped guide posts on two sides of the arc-shaped guide post mounting plate; the sliding guide plate is arranged on the arc-shaped guide post in a sliding mode through a sliding hole formed in the sliding guide plate, and the sliding guide plate is fixedly connected with the upper cross beam sleeve.
3. The automatic on-line detection hitch coupler of a tractor hydraulic suspension system according to claim 1, wherein the vertical positioning device comprises an arc-shaped shell and a trapezoidal guide plate, the trapezoidal guide plate is tangent to the outer edge of the arc-shaped shell, and a guide groove is formed in the trapezoidal guide plate; and a connecting lantern ring is arranged on one side of the arc-shaped shell, a ball pin ring is arranged on the other side of the arc-shaped shell, and the arc-shaped shell is sleeved and fixed at the two ends of the upper cross beam through the connecting lantern ring.
4. The automatic hitch coupler of claim 3, wherein said hitch ball stud includes a housing, a ball stud spring and a ball stud, said ball stud spring and said ball stud being located within said housing, and said ball stud being urged outwardly by said ball stud spring, said ball stud being coaxially disposed with said ball stud ring.
5. The automatic on-line detection hitch of a tractor hydraulic suspension system as claimed in claim 4, wherein said ball pin front portion is conical in shape and diameter is 8-11mm smaller than the diameter of the tractor lower link ball pivot.
6. The automatic on-line detection hitch of a tractor hydraulic suspension system according to claim 1, wherein the transverse positioning device comprises a reversed V-shaped positioning plate, a connecting plate and a connecting column, wherein the connecting plate is connected to one side of the reversed V-shaped positioning plate, and the connecting column is vertically connected to the bottom of the connecting plate; the front end of the front arm is provided with a transverse positioning device mounting hole, the connecting column is inserted into the transverse positioning device mounting hole, and a connecting column separation blade is mounted at the bottom end of the connecting column; and the connecting columns on two sides of the mounting hole of the transverse positioning device are sleeved with third correcting springs.
7. The automatic on-line detection hooking device for the hydraulic suspension system of the tractor according to claim 1, wherein the support frame is installed on a horizontal station platform, and the hydraulic oil cylinder is installed in an installation groove formed in the horizontal station platform through a hydraulic cylinder support; the bottom of the hydraulic cylinder support is fixedly connected with the horizontal station platform through a bolt; and a cylinder body rotating shaft is vertically connected to a cylinder body of the hydraulic oil cylinder, and the hydraulic oil cylinder is rotatably installed on the installation plate on the side surface of the hydraulic cylinder bracket through the cylinder body rotating shaft and a matched bearing.
8. The automatic on-line detection hitch of a tractor hydraulic suspension system according to claim 1, wherein said hydraulic cylinder is connected to a hydraulic station via a pipeline.
9. The tractor hydraulic suspension system on-line detection automatic hitch of claim 8, wherein said hydraulic station is controlled by a PLC controller.
Priority Applications (1)
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CN201921824391.3U CN210923098U (en) | 2019-10-28 | 2019-10-28 | Automatic hooking device for online detection of tractor hydraulic suspension system |
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CN201921824391.3U CN210923098U (en) | 2019-10-28 | 2019-10-28 | Automatic hooking device for online detection of tractor hydraulic suspension system |
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CN201921824391.3U Withdrawn - After Issue CN210923098U (en) | 2019-10-28 | 2019-10-28 | Automatic hooking device for online detection of tractor hydraulic suspension system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110736631A (en) * | 2019-10-28 | 2020-01-31 | 吉林大学 | On-line detection automatic hitching device for tractor hydraulic suspension system |
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2019
- 2019-10-28 CN CN201921824391.3U patent/CN210923098U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110736631A (en) * | 2019-10-28 | 2020-01-31 | 吉林大学 | On-line detection automatic hitching device for tractor hydraulic suspension system |
CN110736631B (en) * | 2019-10-28 | 2024-05-24 | 吉林大学 | On-line detection automatic hooking device for hydraulic suspension system of tractor |
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