CN115004894B - Double-cylinder hydraulic lifter for tractor - Google Patents
Double-cylinder hydraulic lifter for tractor Download PDFInfo
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- CN115004894B CN115004894B CN202210681729.4A CN202210681729A CN115004894B CN 115004894 B CN115004894 B CN 115004894B CN 202210681729 A CN202210681729 A CN 202210681729A CN 115004894 B CN115004894 B CN 115004894B
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- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000003971 tillage Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 7
- 239000004429 Calibre Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 3
- 238000012876 topography Methods 0.000 abstract description 5
- 125000006850 spacer group Chemical group 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
- A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
- A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
- A01B63/1006—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means the hydraulic or pneumatic means structurally belonging to the tractor
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
- A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
- A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
- A01B63/111—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
- A01B63/14—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements drawn by animals or tractors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Abstract
The invention relates to the technical field of tractor accessories, in particular to a double-cylinder hydraulic lifter for a tractor, which comprises an output arm, a cultivated land farm tool and an offset detection assembly, wherein the offset detection assembly comprises a balance ball and two groups of light sensing mechanisms, two sides of the balance ball are respectively provided with the two balance arms, each group of light sensing mechanisms comprises a light emitter, a light-transmitting plate and a light sensing plate, the middle part of the whole cultivated land farm tool adopts a shaft connection mode, and the double cylinders of the device respectively drive and control the two ends of the cultivated land farm tool, so that when encountering special topography, the two cylinders can respectively adjust the state of the cultivated land farm tool to ensure that the cultivated land farm tool is always in a horizontal state for operation.
Description
Technical Field
The invention relates to the technical field of tractor accessories, in particular to a double-cylinder hydraulic lifter for a tractor.
Background
The tractor is a self-propelled power machine for traction and driving a working machine to complete various mobile operations, and consists of an engine, a transmission, walking, steering, hydraulic suspension, power output, an electric instrument, driving operation, traction and other systems or devices, wherein the tractor lifter is a hydraulic device used for lifting a plow on the tractor, belongs to the most complex part of a hydraulic system of the tractor, is lifted by the liquid pressure generated by oil, is driven by a single oil cylinder, can cause the whole tractor to incline to one side when encountering special topography with larger fluctuation, only lifts the whole farm tool upwards when the single oil cylinder is driven, but the whole farm tool is in an inclined state, one end of the farm tool is always contacted with the ground, and finally the farm tool is damaged, so the problem is necessarily solved by the double-oil-cylinder hydraulic lifter for the tractor.
Disclosure of Invention
Based on the above, it is necessary to provide a dual-cylinder hydraulic lifter for a tractor, aiming at the problems of the prior art.
In order to solve the problems in the prior art, the invention adopts the following technical scheme: a dual cylinder hydraulic lifter for a tractor comprising:
the output arm is provided with two output ends which are in a symmetrical state and can perform asynchronous lifting movement;
the tillage implement is horizontally arranged right in front of the output arm, the middle end of the tillage implement is connected with the output arm through an arm, and the two ends of the tillage implement are respectively connected with the two output ends of the output arm;
the offset detection subassembly is located on the farmland agricultural implement, and the offset detection subassembly includes:
the balance balls are arranged above the middle ends of the farmland farm tools and are in a static state relative to the ground, two symmetrical balance arms for the balance balls to keep balance above the farmland farm tools are respectively arranged on two sides of the balance balls, and each balance arm horizontally extends towards one end of each farmland farm tool;
two sets of light sensing mechanisms that are 180 degrees symmetrical along the vertical axial direction of the balance ball, and each set of light sensing mechanism comprises:
the light emitters are fixedly arranged on the horizontal extension ends of the corresponding balance arms, the output light rays of the light emitters are horizontal, and the output directions of the two light emitters are opposite;
the transparent plate is vertically arranged right in front of the output end of the light emitter, the middle part of the transparent plate is opaque and solid along the vertical projection distance after the output light of the light emitter is vertically offset by 5 degrees, the transparency of the transparent plate is gradually reduced along the middle part at equal intervals to the upper end and the lower end respectively, and the interval distance is equal to the vertical projection distance after the output light of the light emitter is vertically offset by 5 degrees respectively;
the light sensing plate is arranged on one side, away from the corresponding light emitter, of the corresponding light transmitting plate in a vertical state, is positioned on the same horizontal line with the light transmitting plate and is used for receiving light emitted by the light emitter and penetrating through the light transmitting plate, and the light sensing plate and the light transmitting plate can move up and down along with one corresponding end of the farmland farm implement.
Further, the output arm comprises mount and two pneumatic cylinders that are symmetrical state, and two pneumatic cylinders are fixed respectively along the horizontal direction and are located the both ends of mount, and every pneumatic cylinder is vertical state and output all vertically downwards, two the pneumatic cylinder is two outputs of above-mentioned output arm, and the farmland agricultural implement is located the mount in the place ahead, and the top of farmland agricultural implement is fixed and is equipped with a connecting plate that is the horizontality, and the middle part of connecting plate is fixed and is equipped with a pivot that is the horizontality, and the one end of pivot extends towards the mount and links firmly with the mount looks, and the both ends of connecting plate link firmly with the output of two pneumatic cylinders respectively.
Further, the offset detection assembly further comprises:
the square shell is horizontally and fixedly arranged at the top of the connecting plate, the balance ball is axially connected in the direction shell, the axial direction of the axial connection end of the balance ball is perpendicular to the output direction of one of the light emitters, the spherical center of the balance ball is positioned at the center of the square shell, and one side of the direction shell, which is opposite to the corresponding support arm, is of an opening structure;
the two horizontal irradiation pipes are symmetrically arranged on the openings on two sides of the square shell respectively, the caliber of each irradiation pipe is horn-shaped and is smaller than that of one end of the square shell, the small caliber end of each irradiation pipe is communicated with the corresponding opening side of the square shell, each light-transmitting plate and each light-sensing plate are fixedly arranged in the corresponding irradiation pipe and are close to the corresponding large caliber end of the irradiation pipe, and a sealing cover which completely covers the opening of the irradiation pipe is fixedly arranged at the large caliber end of each irradiation pipe.
Further, two horizontally protruding bosses are formed on two sides, facing the two ends of the connecting plate, of the balance ball respectively, and each balance arm is horizontally arranged on the corresponding boss. Every the lower extreme of boss all is equipped with one and presses and support tight mechanism, and every presses and presses tight mechanism and all includes:
the pipe sleeves in a horizontal state are embedded in the corresponding bosses, the axial directions of the pipe sleeves are consistent with the axial directions of the shaft connecting ends of the balance balls, and two strip-shaped limit grooves in a symmetrical state and the axial directions of the length directions of the two strip-shaped limit grooves are consistent with the axial directions of the pipe sleeves are formed in the outer wall of each end of each pipe sleeve;
two slide pipes in symmetrical state, each slide pipe is movably inserted into one end of the pipe sleeve, two limiting blocks are formed on the outer wall of each slide pipe, each limiting block is located in a corresponding bar-shaped limiting groove, two through grooves which are distributed vertically are formed on the outer wall of each slide pipe, and the length direction of each through groove is consistent with the length direction of the pipe sleeve;
the spring is located in the pipe sleeve in the horizontal state and the two ends of the spring are respectively abutted against one ends of two sliding pipes, one end, close to the spring, of each sliding pipe is coaxially formed with a bolt located in the sliding pipe, two fixing columns in the vertical state are respectively arranged at the two ends of the boss, each fixing column downwards penetrates through the boss, the pipe sleeve and the corresponding two through grooves in sequence, pin holes matched with the corresponding bolts are formed in the outer wall of the lower end of each fixing column, and one end of each balance arm is fixedly connected with the tops of the corresponding two fixing columns.
Further, two pairs of vertical limit baffles which are vertically distributed along the vertical direction are formed in the large-caliber end of each irradiation pipe, each pair of vertical limit baffles are located on the same plane and are horizontally distributed at intervals, each vertical limit baffle is formed with a limit post which faces the sealing cover and is horizontal, and the upper end and the lower end of each light-transmitting plate and the upper end and the lower end of each light-sensing plate are respectively fixed on the corresponding two pairs of limit posts.
Further, all be equipped with two along the vertical frame of horizontal axial interval distribution of spacing post and No. two vertical frames in the heavy-calibre end of every irradiation tube, the upper and lower both ends of every vertical frame all overlap and locate on corresponding two pairs of spacing posts and respectively with two pairs of vertical limit baffles are inconsistent, every light-passing board all inlays and locates in corresponding No. one vertical frame, every No. two vertical frame all keeps away from corresponding vertical limit baffle and the upper and lower both ends of every No. two vertical frames all overlap and locate on corresponding two pairs of spacing posts, every photoinduction board all inlays and locates in corresponding No. two vertical frames, every vertical frame and No. two vertical frame between all be equipped with two spacer plates that distribute about the vertical direction, every spacer plate all is vertical state and both ends all overlap and locate on corresponding two pairs of spacing posts, the outer wall at the terminal of every spacing post all is the heliciform and all screw-thread fit cover is equipped with a stop nut, every stop nut all inwards with the spacer plate that offsets of No. two vertical frames.
Further, the upper end of each first vertical frame is fixedly provided with a light receiver facing the corresponding light emitter, one end of each light receiver facing the corresponding light emitter is a light receiving end and inclines downwards, and the output light of each light emitter can be positioned on the same horizontal line with the light receiving end of the corresponding light receiver after upwards deflecting.
Further, the bottom of every balance arm all is fixed with a strip shaped plate that is the horizontality, the inside of every strip shaped plate all hollow state and the jack that communicates with strip shaped chute one end has all been seted up to the bottom of every strip shaped plate, the below of every strip shaped plate is equipped with a plurality of along the balancing weight of the length direction parallel distribution of corresponding strip shaped chute, the top of every balancing weight has a spliced pole that is vertical state, every spliced pole is all slided and locates in the corresponding strip shaped chute, the equal coaxial shaping in top of every spliced pole has a spacing dish that is horizontality and diameter is greater than the spliced pole, every spacing dish all is located the aperture of strip shaped plate and every jack and the diameter of spacing dish unanimously.
Further, the top of the square shell is in an opening state and is fixedly provided with a mounting cover which completely covers the opening.
Compared with the prior art, the invention has the following beneficial effects: compared with the traditional single-cylinder driving lifter, firstly, the middle part of the whole cultivated land farm tool adopts a connecting mode of shaft connection, and the double cylinders of the device respectively drive and control the two ends of the cultivated land farm tool, so that when encountering special terrains, the two cylinders can respectively drive and adjust the state of the cultivated land farm tool, the cultivated land farm tool is always in a horizontal state for operation, secondly, the offset detection component of the device is used for detecting the offset of the tractor, when the fluctuation is smaller than 5 degrees, the double cylinders can not drive the cultivated land farm tool, when the fluctuation is larger than 5 degrees, the offset of each end of the cultivated land farm tool is respectively detected through the two groups of light sensing mechanisms in the offset detection component, the cylinders are driven after being instructed, the stroke of each cylinder is ensured, and the cultivated land farm tool is further ensured to be always in the horizontal state.
Drawings
FIG. 1 is a schematic perspective view of an embodiment;
FIG. 2 is a top view of an embodiment;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a top view of an offset detection assembly of an embodiment;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;
FIG. 6 is an exploded view of the square housing and illumination tube of the embodiment;
FIG. 7 is a top view of the balance ball of the embodiment;
FIG. 8 is a cross-sectional view taken along line C-C of FIG. 7;
fig. 9 is a perspective exploded view of the pressing-abutting mechanism of the embodiment;
FIG. 10 is an exploded view of the bar plate and balance arm of the embodiment;
the reference numerals in the figures are: 1-tilling land farm tools; 2-balancing balls; 3-balancing arms; 4-a light emitter; a 5-light-transmitting plate; 6-a light sensing plate; 7-fixing frames; 8-a hydraulic cylinder; 9-connecting plates; 10-rotating shaft; 11-square shell; 12-irradiating the tube; 13-sealing the cover; 14-boss; 15-pipe sleeve; 16-a bar-shaped limit groove; 17-slide tube; 18-limiting blocks; 19-through grooves; 20-springs; 21-a bolt; 22-fixing columns; 23-pin holes; 24-vertical limit baffles; 25-limiting columns; 26-a number one vertical frame; 27-a second vertical frame; 28-a spacer plate; 29-limit nuts; 30-a light receiver; 31-a strip plate; 32-a strip-shaped chute; 33-jack; 34-balancing weight; 35-connecting columns; 36-limiting plate; 37-mounting the cover.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1 to 10, a dual cylinder hydraulic lifter for a tractor includes:
the output arm is provided with two output ends which are in a symmetrical state and can perform asynchronous lifting movement;
the tillage implement 1 is horizontally arranged right in front of the output arm, the middle end of the tillage implement 1 is connected with the output arm, and the two ends of the tillage implement are respectively connected with the two output ends of the output arm;
the offset detection subassembly is located on the farmland agricultural implement 1, and the offset detection subassembly includes:
the balance balls 2 are arranged above the middle ends of the tillage equipment 1 and are in a static state relative to the ground, two symmetrical balance arms 3 for the balance balls 2 to keep balance above the tillage equipment 1 are respectively arranged on two sides of the balance balls 2, and each balance arm 3 horizontally extends towards one end of the tillage equipment 1;
two sets of light sensing mechanisms which are symmetrical by 180 degrees along the vertical axial direction of the balance ball 2, wherein each set of light sensing mechanism comprises:
the light emitters 4 are fixedly arranged on the horizontal extension ends of the corresponding balance arms 3, the output light rays of the light emitters 4 are horizontal, and the output directions of the two light emitters 4 are opposite;
the transparent plate 5 is vertically arranged right in front of the output end of the light emitter 4, the middle part of the transparent plate 5 is in an opaque solid shape along the vertical projection distance of the output light of the light emitter 4 after being vertically offset by 5 degrees, the transparency of the transparent plate 5 is gradually reduced along the middle part at equal intervals along the upper end and the lower end respectively, and the interval distance is equal to the vertical projection distance of the output light of the light emitter 4 after being vertically offset by 5 degrees;
the light sensing plate 6 is arranged on one side, away from the corresponding light emitter 4, of the corresponding light transmitting plate 5 in a vertical state, and the light sensing plate 6 and the light transmitting plate 5 are positioned on the same horizontal line and used for receiving light emitted by the light emitter 4 and penetrating through the light transmitting plate 5, and the light sensing plate 6 and the light transmitting plate 5 can move up and down along with one corresponding end of the farmland farm tool 1.
The output arms are arranged at the front end or the rear end of the tractor body which is not shown in the figure, the cultivated land farm tool 1 is a farm tool used for conventional cultivated land, two ends of the cultivated land farm tool 1 are lifted and supported by two output ends of the output arms, as the middle ends of the cultivated land farm tool 1 are connected with the output arms, the output ends of the two output arms can be respectively controlled to enable one end of the cultivated land farm tool 1 to displace upwards or downwards to avoid interference caused by special topography, the offset detection component is used for detecting the jolt offset generated when the whole tractor runs on the special topography, when the whole cultivated land farm tool 1 is driven by the tractor body to deflect towards one side, the light-transmitting plate 5 and the light-sensing plate 6 in one group of light-sensing mechanisms deflect upwards or downwards along with one end of the cultivated land farm tool 1, the light-transmitting plate 5 and the light-sensing plate 6 in the other group deflect towards the opposite direction, similar to a seesaw, since the light emitters 4 in each group of light sensing mechanisms are arranged on the balance ball 2, the output light rays of the two light emitters 4 are always on horizontal lines, when the deviation is smaller than 5 degrees, the irradiation light rays of the light emitters 4 cannot be transmitted to the corresponding light sensing plates 6 through the light transmitting plates 5, when the deviation is larger than 5 degrees, the irradiation light rays of the light emitters 4 can be transmitted to the light sensing plates 6 through the light transmitting plates 5, each light sensing plate 6 is used for receiving the light rays and transmitting the light signals into electric signals with different intensities according to the intensity of the light rays to the control sources for controlling the two output ends of the output arm, so that the two output ends can respectively ascend or descend different distances, the larger the light intensity received by the light sensing plates 6 is, the larger the ascending or descending distance of each output end is, and at the same time, the electric signals transmitted by the upper half part and the lower half part of each light sensing plate 6 are different, the electric signals transmitted by the upper half part are used for controlling the corresponding output ends of the output arms to move upwards, the electric signals transmitted by the lower half part are used for controlling the corresponding output ends of the output arms to move downwards until the corresponding light-transmitting plates 5 are not penetrated by the light-transmitting devices 4, so that the two output ends of the output arms can be asynchronous when encountering the fluctuation of the cultivated land farm tools 1 to drive one end of the cultivated land farm tools 1 to move up and down so as to avoid the interference caused by special topography, and the cultivated land farm is always in a horizontal state for harvesting operation.
The output arm comprises mount 7 and two pneumatic cylinders 8 that are symmetrical state, and two pneumatic cylinders 8 are fixed respectively and are located the both ends of mount 7 along the horizontal direction, and every pneumatic cylinder 8 is vertical state and output all vertically downwards, two pneumatic cylinders 8 be two output of above-mentioned output arm, and the farmland agricultural implement 1 locates the dead ahead of mount 7, and the fixed connecting plate 9 that is the horizontality that is equipped with in top of farmland agricultural implement 1, the fixed pivot 10 that is the horizontality that is equipped with in middle part of connecting plate 9, the one end of pivot 10 towards mount 7 extension and with mount 7 looks coupling, the both ends of connecting plate 9 link firmly with the output of two pneumatic cylinders 8 respectively.
The two hydraulic cylinders 8 are respectively controlled by two control boxes, each control box is electrically connected with the corresponding light sensing plate 6 through a controller which is not shown in the figure, the connecting plate 9 is used for connecting the tillage implement 1 with the two hydraulic cylinders 8, and meanwhile, the tillage implement 1 can rotate through a rotating shaft 10 on the connecting plate 9.
The offset detection assembly further comprises:
the square shell 11 is horizontally and fixedly arranged at the top of the connecting plate 9, the balance ball 2 is axially connected in the direction shell, the axial direction of the axial connection end of the balance ball 2 is perpendicular to the output direction of one of the light emitters 4, the spherical center of the balance ball 2 is positioned at the center of the square shell 11, and one side of the direction shell, which is opposite to the corresponding support arm, is of an opening structure;
two are horizontal irradiation pipes 12, and both are the symmetry state and are fixed respectively to locate on the opening of square casing 11 both sides, and every irradiation pipe 12 is loudspeaker form and be close to the bore of the one end of square casing 11 and all be less than the bore of the other end, and the small-bore end of every irradiation pipe 12 all is linked together with the opening side that square casing 11 corresponds, and every light-passing board 5 and photoinduction board 6 all are fixed to locate in the corresponding irradiation pipe 12 and be close to the heavy-calibre end of corresponding irradiation pipe 12, and the port department of the heavy-calibre of every irradiation pipe 12 all is fixed and is equipped with a sealed lid 13 that covers in irradiation pipe 12 open-ended completely.
The square shell 11 is used for protecting the balance ball 2 in the square shell and is used for the shaft connection of the balance ball 2, two shaft connection ends of the balance ball 2 can reduce rotating friction through two bearings respectively, when the square shell 11 is shifted left and right, the square shell 11 can rotate relative to the balance ball 2 through outer rings of the two bearings, the whole balance ball 2 is balanced through the two balance arms 3, so that the two shaft connection ends of the balance ball 2 can keep still in the two bearings, further, the output light of the two light emitters 4 is ensured to be always in a horizontal state, when the irradiation tube 12 is in a horn shape, the whole square shell 11 can drive the light transmission plates 5 and the light sensing plates 6 at two ends of the irradiation tube 12 to shift, the rays of the corresponding light emitters 4 can be emitted to the light sensing plates 6 corresponding to the light transmission plates 5, and the sealing cover 13 is used for sealing the irradiation tube 12 to enable the irradiation tube 12 to be in a dark state, and interference of the external light sensing plates 6 is prevented.
Two horizontally protruding bosses 14 are respectively formed on two sides of the balance ball 2, which face two ends of the connecting plate 9, and each balance arm 3 is horizontally arranged on the corresponding boss 14. The lower end of each boss 14 is provided with a pressing and abutting mechanism, and each pressing and abutting mechanism comprises:
the pipe sleeves 15 in a horizontal state are embedded in the corresponding bosses 14, the axial directions of the pipe sleeves are consistent with the axial directions of the shaft connecting ends of the balance balls 2, and two strip-shaped limit grooves 16 in a symmetrical state and the length directions of which are consistent with the axial directions of the pipe sleeves 15 are formed in the outer wall of each end of each pipe sleeve 15;
two slide pipes 17 in symmetrical states, wherein each slide pipe 17 is movably inserted into one end of the pipe sleeve 15, two limiting blocks 18 are formed on the outer wall of each slide pipe 17, each limiting block 18 is positioned in a corresponding bar-shaped limiting groove 16, two through grooves 19 which are vertically distributed are formed on the outer wall of each slide pipe 17, and the length direction of each through groove 19 is consistent with the length direction of the pipe sleeve 15;
the spring 20 is arranged in the pipe sleeve 15 in a horizontal state, two ends of the spring 20 are respectively abutted against one ends of the two sliding pipes 17, one end, close to the spring 20, of each sliding pipe 17 is coaxially formed with a bolt 21 positioned in the sliding pipe 17, two ends of the boss 14 are respectively provided with two fixing columns 22 in a vertical state, each fixing column 22 downwards sequentially penetrates through the boss 14, the pipe sleeve 15 and the corresponding two through grooves 19, a pin hole 23 matched with the corresponding bolt 21 is formed in the outer wall of the lower end of each fixing column 22, and one end of each balance arm 3 is fixedly connected with the tops of the corresponding two fixing columns 22.
The balance arm 3 can be detachably fixed on the corresponding boss 14 through pressing the abutting mechanism, the balance arm 3 is convenient to install, when the balance arm 3 is installed, each slide tube 17 slides into the tube sleeve 15 through simultaneously pressing the two slide tubes 17, the spring 20 is compressed simultaneously, at the moment, the two fixing columns 22 on the balance arm 3 are inserted into the boss 14, the balance arm 3 stretches into the corresponding slide tubes 17 through the through grooves 19 on the slide tubes 17, then the two slide tubes 17 are loosened, the bolt 21 in each slide tube 17 is inserted into the pin holes 23 on the corresponding fixing columns 22 through the elasticity of the spring 20 to complete fixation, and the matching of the strip-shaped limiting grooves 16 and the corresponding limiting blocks 18 is used for limiting the sliding direction of the slide tubes 17 in the tube sleeve 15, so that the slide tubes 17 are prevented from rotating, the direction of the through grooves 19 is misplaced, and the two fixing columns 22 can be respectively inserted into the two slide tubes 17 is ensured.
Two pairs of vertical limit baffles 24 which are vertically distributed along the vertical direction are formed in the large-caliber end of each irradiation tube 12, each pair of vertical limit baffles 24 are located on the same plane and are horizontally distributed at intervals, each vertical limit baffle 24 is formed with a horizontal limit post 25 facing the sealing cover 13, and the upper end and the lower end of each light-transmitting plate 5 and the upper end and the lower end of the light-sensing plate 6 are respectively fixed on the corresponding two pairs of limit posts 25.
The vertical limit baffle 24 is used for preventing the corresponding light-transmitting plate 5 and the corresponding light-sensing plate 6 from moving towards the irradiation tube 12, and the limit column 25 plays a role in supporting and guiding, so that the corresponding light-transmitting plate 5 and the corresponding light-sensing plate 6 can slide onto the corresponding vertical limit baffle 24 along the limit column 25.
The large-caliber end of each irradiation tube 12 is internally provided with two first vertical frames 26 and two second vertical frames 27 which are distributed along the horizontal axial direction of the limiting column 25 at intervals, the upper end and the lower end of each first vertical frame 26 are sleeved on the corresponding two pairs of limiting columns 25 and respectively contact with the corresponding two pairs of vertical limiting baffles 24, each light-transmitting plate 5 is embedded in the corresponding first vertical frame 26, each second vertical frame 27 is far away from the corresponding vertical limiting baffles 24, the upper end and the lower end of each second vertical frame 27 are sleeved on the corresponding two pairs of limiting columns 25, each light-sensing plate 6 is embedded in the corresponding second vertical frame 27, two spacing plates 28 which are distributed up and down along the vertical direction are arranged between each first vertical frame 26 and the corresponding second vertical frame 27, each spacing plate 28 is in a vertical state, the two ends are sleeved on the corresponding two pairs of limiting columns 25, the outer wall of the tail end of each limiting column 25 is in a threaded shape and is sleeved with a limiting nut 29 in a threaded fit manner, and each limiting nut 29 abuts against one end of each second vertical frame 27.
Because each section of transparency of the whole light-transmitting plate 5 is different, so in order to realize the penetrating effect of each section, manufacturing difficulty can be reduced again, so can split into a plurality of transparent plates and a solid plate with the whole light-transmitting plate 5, and install in first vertical frame in proper order, be solid plate in the middle part of the first vertical frame, transparent plate that the upper and lower both ends are a plurality of unanimity and are symmetrical according to the transparency, the division board 28 is used for preventing that photoinduction board 6 from laminating mutually with light-transmitting plate 5, thereby reduce the response effect of photoinduction board 6, a plurality of limit nuts 29 are used for inwards supporting and fixing division board 28 and first vertical frame in proper order with whole second vertical frame 27.
The upper end of each first vertical frame 26 is fixedly provided with a light receiver 30 facing the corresponding light emitter 4, one end of each light receiver facing the corresponding light emitter 4 is a light receiving end and is inclined downwards, and the output light of each light emitter 4 can be positioned on the same horizontal line with the light receiving end of the corresponding light receiver after upwards shifting.
Each light receiver 30 is not electrically connected with an alarm, when the offset of one side of the cultivated land farm tool 1 is large, the horizontal light emitted by one light emitter 4 exceeds the whole light-transmitting plate 5 and is received by the light receiver 30 arranged at the upper end of the corresponding first vertical frame 26, and once the light receiver 30 receives the light, the alarm can be immediately started to give out an alarm sound so as to remind a tractor operator to immediately stop the operation, and the other side of the cultivated land farm tool 1 is prevented from being damaged due to the overlarge offset of one side and collision with the ground.
The bottom of every balance arm 3 all is fixed with a bar 31 that is the horizontality, the inside of every bar 31 all hollow state and the jack 33 that a bar spout 32 and one and bar spout 32 one end intercommunication have all been seted up to the bottom of every bar 31, the below of every bar 31 is equipped with the balancing weight 34 of a plurality of along the length direction parallel distribution of corresponding bar spout 32, the top of every balancing weight 34 has a spliced pole 35 that is vertical state all shaping, every spliced pole 35 all slides and locates in the corresponding bar spout 32, the top of every spliced pole 35 all coaxial shaping has a spacing dish 36 that is the horizontality and diameter is greater than spliced pole 35, every spacing dish 36 all is located bar 31 and the aperture of every jack 33 is unanimous with the diameter of spacing dish 36.
The weight of the end of the corresponding balance arm 3 is enhanced by the plurality of balancing weights 34, the balance effect of the two balance arms 3 is further enhanced, each balancing weight 34 can be inserted into the jack 33 on the corresponding strip-shaped plate 31 through the limiting disc 36 on the balancing weight 34, the limiting disc 36 cannot fall out of the strip-shaped chute 32 because the diameter of the limiting disc 36 is larger than that of the connecting column 35, and when the balancing weight 34 slides along the direction of the strip-shaped chute 32, the whole balancing weight 34 can be fixed below the strip-shaped plate 31 through the effect of the limiting disc 36, so that the balancing weight 34 on the balance arm 3 can be conveniently increased or reduced subsequently through the steps.
The square housing 11 has an open top and is fixedly provided with a mounting cover 37 which completely covers the opening.
The top of the square shell 11 is provided with an opening which is convenient for the installation of the balance ball 2, and the installation cover 37 is provided with a closed space for the whole square shell 11 to prevent the interference of external light.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (7)
1. The utility model provides a double cylinder hydraulic lifter for tractor which characterized in that includes:
the output arm is provided with two output ends which are in a symmetrical state and can perform asynchronous lifting movement;
the tillage implement (1) is horizontally arranged right in front of the output arm, the middle end of the tillage implement (1) is connected with the output arm, and the two ends of the tillage implement are respectively connected with the two output ends of the output arm;
the offset detection subassembly is located on cultivated land agricultural implement (1), and the offset detection subassembly includes:
the balance balls (2) are arranged above the middle ends of the farmland farm tools (1) and are in a static state relative to the ground, two symmetrical balance arms (3) used for the balance balls (2) to keep balance above the farmland farm tools (1) are respectively arranged on two sides of the balance balls (2), and each balance arm (3) horizontally extends towards one end of each farmland farm tool (1);
two sets of light sensing mechanisms which are symmetrical by 180 degrees along the vertical axial direction of the balance ball (2), wherein each set of light sensing mechanism comprises:
the light emitters (4) are fixedly arranged on the horizontal extension ends of the corresponding balance arms (3), the output light rays of the light emitters (4) are horizontal, and the output directions of the two light emitters (4) are opposite;
the transparent plate (5) is vertically arranged right in front of the output end of the light emitter (4), the middle part of the transparent plate (5) is in an opaque solid shape along the vertical projection distance of the output light of the light emitter (4) after being vertically offset by 5 degrees, the transparency of the transparent plate (5) is gradually reduced along the middle part at equal intervals towards the upper end and the lower end respectively, and the interval distance is equal to the vertical projection distance of the output light of the light emitter (4) after the output light is vertically offset by 5 degrees respectively;
the light sensing plate (6) is arranged on one side, far away from the corresponding light emitter (4), of the corresponding light transmitting plate (5) in a vertical state, the light sensing plate (6) and the light transmitting plate (5) are positioned on the same horizontal line and are used for receiving light emitted by the light emitter (4) and transmitted through the light transmitting plate (5), and the light sensing plate (6) and the light transmitting plate (5) can move up and down along with one corresponding end of the farmland farm tool (1);
the output arm consists of a fixed frame (7) and two hydraulic cylinders (8) in symmetrical states, the two hydraulic cylinders (8) are respectively and fixedly arranged at two ends of the fixed frame (7) along the horizontal direction, each hydraulic cylinder (8) is in a vertical state, the output ends of the two hydraulic cylinders (8) are respectively and vertically downward, the two hydraulic cylinders (8) are the two output ends of the output arm, the cultivated land farm tool (1) is arranged right in front of the fixed frame (7), the top of the cultivated land farm tool (1) is fixedly provided with a connecting plate (9) in a horizontal state, the middle part of the connecting plate (9) is fixedly provided with a rotating shaft (10) in a horizontal state, one end of the rotating shaft (10) extends towards the fixed frame (7) and is connected with the output ends of the two hydraulic cylinders (8) in a shaft mode, and two ends of the connecting plate (9) are respectively and fixedly connected with each other;
the offset detection assembly further comprises:
the square shell (11) is horizontally and fixedly arranged at the top of the connecting plate (9), the balance ball (2) is axially connected in the direction shell, the axial direction of the axial connection end of the balance ball (2) is perpendicular to the output direction of one of the light emitters (4), the spherical center of the balance ball (2) is positioned at the center of the square shell (11), and one side of the direction shell, which is opposite to the corresponding support arm, is of an opening structure;
two are horizontal irradiation pipes (12), both are the symmetry state and are fixed respectively and locate on the opening of square casing (11) both sides, and every irradiation pipe (12) is loudspeaker form and is close to the bore of the one end of square casing (11) and all is less than the bore of the other end, and the small-bore end of every irradiation pipe (12) all is linked together with the opening side that square casing (11) corresponds, and every light-transmitting plate (5) and photoinduction board (6) are all fixed to locate in corresponding irradiation pipe (12) and are close to the heavy-calibre end of corresponding irradiation pipe (12), and the port department of the heavy-calibre of every irradiation pipe (12) all is fixed and is equipped with one and covers in irradiation pipe (12) open-ended sealed lid (13) completely.
2. The hydraulic lifter for a double-cylinder of a tractor according to claim 1, wherein two horizontally protruding bosses (14) are respectively formed on two sides of each of two ends of the balance ball (2) facing the connecting plate (9), each balance arm (3) is horizontally arranged on the corresponding boss (14), a pressing and abutting mechanism is arranged at the lower end of each boss (14), and each pressing and abutting mechanism comprises:
the pipe sleeves (15) in a horizontal state are embedded in the corresponding bosses (14) and axially coincide with the axial direction of the shaft connecting ends of the balance balls (2), and two strip-shaped limit grooves (16) in a symmetrical state and axially coincide with the pipe sleeves (15) in the length direction are formed in the outer wall of each end of each pipe sleeve (15);
two slide pipes (17) in symmetrical states, wherein each slide pipe (17) is movably inserted into one end of a pipe sleeve (15), two limiting blocks (18) are formed on the outer wall of each slide pipe (17), each limiting block (18) is located in a corresponding bar-shaped limiting groove (16), two through grooves (19) which are distributed vertically are formed on the outer wall of each slide pipe (17), and the length direction of each through groove (19) is consistent with the length direction of the pipe sleeve (15);
spring (20), locate in pipe box (15) and the both ends of spring (20) are inconsistent with the one end of two slide pipes (17) respectively in the horizontality, the one end that every slide pipe (17) is close to spring (20) all coaxial shaping has one bolt (21) that is located slide pipe (17), the both ends of boss (14) are equipped with two fixed columns (22) that are vertical state respectively, every fixed column (22) all downwards pass boss (14) in proper order, pipe box (15) and two logical grooves (19) that correspond, all offered on the outer wall of the lower extreme of every fixed column (22) with bolt (21) matched with pinhole (23) that correspond, the one end of every balance arm (3) all links firmly with the top of two fixed columns (22) that correspond.
3. The double-cylinder hydraulic lifter for the tractor according to claim 1, wherein two pairs of vertical limit baffles (24) which are vertically distributed are formed in the large-caliber end of each irradiation pipe (12), each pair of vertical limit baffles (24) are located on the same plane and are horizontally distributed at intervals, each vertical limit baffle (24) is formed with a horizontal limit post (25) facing to the sealing cover (13), and the upper end and the lower end of each light-transmitting plate (5) and the upper end and the lower end of each light-sensing plate (6) are respectively fixed on the corresponding two pairs of limit posts (25).
4. The double-cylinder hydraulic lifter for the tractor according to claim 3, wherein two vertical frames (26) and two vertical frames (27) which are distributed along the horizontal axial direction of the limiting columns (25) at intervals are arranged in the large-caliber end of each irradiation pipe (12), the upper end and the lower end of each vertical frame (26) are sleeved on the corresponding two pairs of limiting columns (25) and respectively abut against the two pairs of vertical limiting baffles (24), each light-transmitting plate (5) is embedded in the corresponding one-number vertical frame (26), the upper end and the lower end of each two-number vertical frame (27) are respectively far away from the corresponding vertical limiting baffle (24) and are respectively sleeved on the corresponding two pairs of limiting columns (25), each light-sensing plate (6) is respectively embedded in the corresponding two-number vertical frames (27), two plates (28) which are distributed downwards along the vertical direction are respectively sleeved between each one-number vertical frame (26) and the two vertical frames (27), the two ends of each vertical plate (28) are respectively provided with a thread-shaped nut (29) which is matched with the two ends of each corresponding two limiting columns (25).
5. The hydraulic lifter for a tractor according to claim 4, wherein a light receiver (30) facing the corresponding light emitter (4) is fixedly arranged at the upper end of each first vertical frame (26), one end of each light receiver facing the corresponding light emitter (4) is a light receiving end and is inclined downwards, and the output light of each light emitter (4) can be positioned on the same horizontal line with the light receiving end of the corresponding light receiver after being deflected upwards.
6. The double-cylinder hydraulic lifter for the tractor according to claim 1, characterized in that the bottom of each balance arm (3) is fixedly provided with a horizontal strip-shaped plate (31), the inside of each strip-shaped plate (31) is hollow, the bottom of each strip-shaped plate (31) is provided with a strip-shaped chute (32) and a jack (33) communicated with one end of the strip-shaped chute (32), a plurality of balancing weights (34) which are distributed in parallel along the length direction of the corresponding strip-shaped chute (32) are arranged below each strip-shaped plate (31), the top of each balancing weight (34) is provided with a connecting column (35) which is in a vertical state, each connecting column (35) is arranged in the corresponding strip-shaped chute (32) in a sliding mode, the top of each connecting column (35) is coaxially provided with a limiting disc (36) which is in a horizontal state and has a diameter larger than that of the connecting column (35), and the aperture of each jack (33) is consistent with the diameter of the limiting disc (36).
7. The hydraulic lifter for tractors according to claim 1, characterized in that the top of the square housing (11) is open and is fixedly provided with a mounting cover (37) which completely covers the opening.
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| CN202210681729.4A CN115004894B (en) | 2022-06-15 | 2022-06-15 | Double-cylinder hydraulic lifter for tractor |
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| CN202210681729.4A CN115004894B (en) | 2022-06-15 | 2022-06-15 | Double-cylinder hydraulic lifter for tractor |
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| CN115004894B true CN115004894B (en) | 2023-12-19 |
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| CN115004894A (en) | 2022-09-06 |
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