CN111271351A - Clamping mechanism for clamping handrail of hand agricultural machine - Google Patents
Clamping mechanism for clamping handrail of hand agricultural machine Download PDFInfo
- Publication number
- CN111271351A CN111271351A CN202010128296.0A CN202010128296A CN111271351A CN 111271351 A CN111271351 A CN 111271351A CN 202010128296 A CN202010128296 A CN 202010128296A CN 111271351 A CN111271351 A CN 111271351A
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- clamping
- block
- handrail
- agricultural machine
- movably connected
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- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- 238000003825 pressing Methods 0.000 claims description 31
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2/00—Friction-grip releasable fastenings
- F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
- F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention relates to the technical field of agricultural machinery, and discloses a clamping mechanism for clamping a handrail of hand agricultural machinery, which comprises a device main body, wherein a slide rail is arranged in the device main body, a slide block is movably connected in the slide rail, a movable rod and a connecting spring are movably connected below a connecting bearing, a connecting block is movably arranged below the connecting spring, an arc plate is movably connected below the connecting block, an extension spring is movably connected below the arc plate, a clamping block is movably connected below the extension spring, a connecting buckle is movably arranged above the slide rail, a push rod is movably connected on the right side of the connecting buckle, and a twisting block is movably arranged below the push rod. This a fixture for centre gripping hand agricultural machine's handrail through setting up to spring clamping device, can realize quick replacement clamping device's purpose, has also solved the easy wearing and tearing of traditional threaded connection's clamping device and the easy not hard up problem of V type clamping jaw centre gripping.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a clamping mechanism for clamping a handrail of a hand-held agricultural machine.
Background
Agricultural machinery refers to various machines used in the production process of crop planting and animal husbandry, as well as in the primary processing and treatment process of agricultural and animal products. Agricultural machinery includes agricultural power machinery, farmland construction machinery, soil farming machinery, planting and fertilizing machinery, plant protection machinery, farmland irrigation and drainage machinery, crop harvesting machinery, agricultural product processing machinery, animal husbandry machinery, agricultural transportation machinery and the like.
Agricultural machinery is a device widely used in agricultural cultivation, the types of the agricultural machinery used are different according to different operations, and when a plurality of devices are used, only the handrail needs to be replaced at some time, so that the design of a clamping mechanism is very important. The traditional clamping mechanism mainly adopts two working modes, firstly, the clamping mechanism adopts threaded connection, and at the moment, as a large amount of acting force is generated when the clamping mechanism is used, threaded teeth of the threaded connection are easy to wear, the service life is short, and at the moment, the clamping mechanism needs to be completely replaced; in addition, the other design is that a V-shaped clamping jaw is adopted, so that the situation of poor clamping effect is caused sometimes, the working efficiency is reduced, and the subsequent replacement of the clamping jaw is too troublesome no matter the clamping jaw is in threaded connection or the V-shaped clamping jaw is adopted.
Therefore, the clamping mechanism for clamping the handrail of the hand agricultural machine is provided, the purpose of quickly replacing the clamping device can be realized, and the problems that the traditional clamping device in threaded connection is easy to wear and the clamping of the V-shaped clamping jaw is easy to loosen are solved.
Disclosure of Invention
Technical scheme
In order to realize the advantages, the invention provides the following technical scheme: the clamping mechanism for clamping the handrail of the hand agricultural machine comprises a device main body, a slide rail is arranged in the device main body, the slide block is movably connected in the slide rail, the left side and the right side of the slide block are both provided with pressing springs, the right side of the pressing spring is movably connected with a pressing block, a connecting rod is movably arranged above the pressing block, a connecting bearing is movably arranged below the connecting rod, a movable rod and a connecting spring are movably connected below the connecting bearing, a connecting block is movably arranged below the connecting spring, an arc-shaped plate is movably connected below the connecting block, an extension spring is movably connected below the arc-shaped plate, a clamping block is movably connected below the extension spring, the top movable mounting of slide rail has the connection buckle, the right side swing joint of connection buckle has the catch bar, the below movable mounting of catch bar has the piece of turning round.
Preferably, the device body and the slide rail are both circular.
Preferably, four groups of movable rods are arranged to form a diamond shape, so that the movable rods can move conveniently.
Preferably, the arc-shaped plate and the clamping blocks are provided with six blocks which are connected through six groups of extension springs, and the six groups of clamping blocks are mutually abutted together to form a circle for clamping the handle.
Preferably, the slide blocks are provided with six groups which are uniformly distributed on the slide rail.
Preferably, catch bar and connection buckle all are provided with two sets ofly, and connection buckle is the joint of symmetry form on the slide rail.
Preferably, the four groups of movable rods distributed in a diamond shape are of movable structures, and the connecting springs are connected to the upper end and the lower end of the connecting rods.
Preferably, the connecting rod is L-shaped, the end of one end is connected to the pressing block, and the other end is connected to the connecting bearing.
Advantageous effects
Compared with the prior art, the invention provides the clamping mechanism for clamping the handrail of the hand-held agricultural machine, which has the following beneficial effects:
1. when the clamping mechanism for clamping the handrail of the hand agricultural machine is used, a user clockwise twists a twisting block, the twisting block moves to drive a pushing rod connected to the twisting block to rotate, the pushing rod drives two groups of connecting buckles to rotate clockwise, the two groups of connecting buckles drive a sliding rail connected below the two groups of connecting buckles to rotate clockwise, a sliding block movably connected to the sliding rail is synchronously driven to move clockwise, the sliding block is used for extruding a pressing spring connected below the sliding block, the pressing spring is extruded and compressed to drive the pressing block to move rightwards, an arc plate drives an extension spring below the arc plate to start to compress and rise, and the clamping block connected below the arc plate is synchronously stretched and opened; put into agricultural machine handle with the grip block, then loosen the piece of turning round of being wrench by the wrench movement, each group's structure resets under the power that resets of spring, and the grip block presss from both sides agricultural machine handle wherein, has avoided traditional threaded connection's thread tooth to take place the problem of wearing and tearing very easily to and follow-up trouble problem of changing
2. This a fixture for centre gripping hand agricultural machine's handrail through setting up to spring clamping device, can realize quick replacement clamping device's purpose, has also solved the easy wearing and tearing of traditional threaded connection's clamping device and the easy not hard up problem of V type clamping jaw centre gripping.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a connection structure of the torsion block of the present invention;
FIG. 3 is an enlarged view of the area A in FIG. 2 according to the present invention;
FIG. 4 is a schematic view of a slider connection structure according to the present invention;
FIG. 5 is a schematic view of the connecting rod connection structure of the present invention;
FIG. 6 is a schematic view of a connection structure of a pressing block according to the present invention;
FIG. 7 is a schematic view of the connection structure of the connection spring according to the present invention;
FIG. 8 is a schematic view of a connection structure of the clamping block of the present invention;
fig. 9 is a schematic diagram of the structure of fig. 8 in a motion state according to the present invention.
In the figure: 1-device body, 2-slide rail, 3-slide block, 4-pressing spring, 5-pressing block, 6-connecting rod, 7-connecting bearing, 8-movable rod, 9-connecting spring, 10-connecting block, 11-arc plate, 12-extension spring, 13-clamping block, 14-connecting buckle, 15-push rod and 16-twisting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, a clamping mechanism for clamping a handrail of a walking agricultural machine comprises a device body 1, a slide rail 2 is arranged inside the device body 1, a slide block 3 is movably connected inside the slide rail 2, pressing springs 4 are arranged on the left side and the right side of the slide block 3, a pressing block 5 is movably connected on the right side of the pressing spring 4, a connecting rod 6 is movably installed above the pressing block 5, a connecting bearing 7 is movably installed below the connecting rod 6, a movable rod 8 and a connecting spring 9 are movably connected below the connecting bearing 7, a connecting block 10 is movably installed below the connecting spring 9, an arc plate 11 is movably connected below the connecting block 10, an extension spring 12 is movably connected below the arc plate 11, a clamping block 13 is movably connected below the extension spring 12, a connecting buckle 14 is movably installed above the slide rail 2, and a pushing rod 15 is movably connected on the right side of the connecting buckle 14, a twisting block 16 is movably arranged below the push rod 15.
When the clamping mechanism for clamping the handrail of the hand agricultural machine is used, a user clockwise twists a twisting block 16, the twisting block 16 moves to drive a push rod 15 connected to the twisting block to rotate, the push rod 15 drives two groups of connecting buckles 14 to rotate clockwise, the two groups of connecting buckles 14 drive a sliding rail 2 connected below the two groups of connecting buckles to rotate clockwise, a sliding block 3 movably connected to the sliding rail 2 is synchronously driven to move clockwise, the sliding block 3 presses a pressing spring 4 connected below the sliding block 3, the pressing spring 4 is pressed and compressed to drive the pressing block 5 to move rightwards, the pressing block 5 drives a connecting rod 6 to move, the connecting rod 6 is in an L shape, the top end of the connecting rod 6 moves along with the movement of the pressing block 5, the bottom end of the connecting rod is stretched along with the sliding block, a connecting bearing 7 connected to the bottom of the connecting rod 6 is driven to be lifted along with the sliding block, a movable rod 8 connected below the, the connecting spring 9 connected with the connecting device is driven to compress and rise, so that the connecting block 10 connected below the connecting spring is driven to rise, the connecting block 10 drives the arc-shaped plate 11 connected below the connecting block, the arc-shaped plate 11 drives the extension spring 12 below the arc-shaped plate to start compressing and rising, and the clamping block 13 connected below the arc-shaped plate is synchronously stretched and opened; put into agricultural machine handle with grip block 13, then loosen the piece 16 of turning round of being wrench by the wrench movement, each group's structure resets under the restoring force of spring, and grip block 13 presss from both sides agricultural machine handle wherein, has avoided the very easy problem that takes place wearing and tearing of the thread tooth of traditional threaded connection to and follow-up troublesome problem of changing.
Device main part 1 and slide rail 2 are circular, movable rod 8 is provided with four groups, form the rhombus, make things convenient for the removal of movable rod 8, arc 11 all is provided with six with grip block 13, connect through six extension spring 12 of organizing, and six group's grip block 13 butt of each other is in the same place, it is circular to form, be used for the centre gripping handle, slider 3 is provided with six groups, evenly distributed is on slide rail 2, catch bar 15 and connector clip 14 all are provided with two sets ofly, connector clip 14 is symmetry form joint on slide rail 2, four groups of movable rod 8 that are rhombus distribution are active structure, connecting spring 9 connects both ends about it, connecting rod 6 is "L" form, the end of one end is connected on pressing block 5, the other end is connected on connection bearing 7.
The working principle is as follows: when the clamping mechanism for clamping the handrail of the hand agricultural machine is used, a user clockwise twists a twisting block 16, the twisting block 16 moves to drive a push rod 15 connected to the twisting block to rotate, the push rod 15 drives two groups of connecting buckles 14 to rotate clockwise, the two groups of connecting buckles 14 drive a sliding rail 2 connected below the two groups of connecting buckles to rotate clockwise, a sliding block 3 movably connected to the sliding rail 2 is synchronously driven to move clockwise, the sliding block 3 presses a pressing spring 4 connected below the sliding block 3, the pressing spring 4 is pressed and compressed to drive the pressing block 5 to move rightwards, the pressing block 5 drives a connecting rod 6 to move, the connecting rod 6 is in an L shape, the top end of the connecting rod 6 moves along with the movement of the pressing block 5, the bottom end of the connecting rod is stretched along with the sliding block, a connecting bearing 7 connected to the bottom of the connecting rod 6 is driven to be lifted along with the sliding block, a movable rod 8 connected below the, the connecting spring 9 connected with the connecting device is driven to compress and rise, so that the connecting block 10 connected below the connecting spring is driven to rise, the connecting block 10 drives the arc-shaped plate 11 connected below the connecting block, the arc-shaped plate 11 drives the extension spring 12 below the arc-shaped plate to start compressing and rising, and the clamping block 13 connected below the arc-shaped plate is synchronously stretched and opened; put into agricultural machine handle with grip block 13, then loosen the piece 16 of turning round of being wrench by the wrench movement, each group's structure resets under the restoring force of spring, and grip block 13 presss from both sides agricultural machine handle wherein, has avoided the very easy problem that takes place wearing and tearing of the thread tooth of traditional threaded connection to and follow-up troublesome problem of changing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A fixture for the handrail of centre gripping hand agricultural machine, including device main part (1), its characterized in that: the device is characterized in that a sliding rail (2) is arranged inside a device main body (1), a sliding block (3) is movably connected inside the sliding rail (2), pressing springs (4) are arranged on the left side and the right side of the sliding block (3), a pressing block (5) is movably connected to the right side of the pressing springs (4), a connecting rod (6) is movably installed above the pressing block (5), a connecting bearing (7) is movably installed below the connecting rod (6), a movable rod (8) and a connecting spring (9) are movably connected below the connecting bearing (7), a connecting block (10) is movably installed below the connecting spring (9), an arc-shaped plate (11) is movably connected below the connecting block (10), an extension spring (12) is movably connected below the arc-shaped plate (11), and a clamping block (13) is movably connected below the extension spring (12), the top movable mounting of slide rail (2) has connection buckle (14), the right side swing joint of connection buckle (14) has catch bar (15), the below movable mounting of catch bar (15) has and turns round piece (16).
2. A clamping mechanism for clamping a handrail of a hand agricultural machine, as claimed in claim 1, wherein: the device main body (1) and the sliding rail (2) are both circular.
3. A clamping mechanism for clamping a handrail of a hand agricultural machine, as claimed in claim 1, wherein: four groups of movable rods (8) are arranged to form a rhombus.
4. A clamping mechanism for clamping a handrail of a hand agricultural machine, as claimed in claim 1, wherein: the arc-shaped plate (11) and the clamping blocks (13) are provided with six blocks which are connected through six groups of extension springs (12), and the six groups of clamping blocks (13) are mutually abutted to form a circle.
5. A clamping mechanism for clamping a handrail of a hand agricultural machine, as claimed in claim 1, wherein: six groups of sliding blocks (3) are arranged and are uniformly distributed on the sliding rail (2).
6. A clamping mechanism for clamping a handrail of a hand agricultural machine, as claimed in claim 1, wherein: the push rod (15) and the connecting buckles (14) are both provided with two groups, and the connecting buckles (14) are symmetrically clamped on the slide rail (2).
7. A clamping mechanism for clamping a handrail of a hand agricultural machine, as claimed in claim 3, wherein: four groups of movable rods (8) distributed in a diamond shape are of movable structures, and connecting springs (9) are connected to the upper end and the lower end of each movable rod.
8. A clamping mechanism for clamping a handrail of a hand agricultural machine, as claimed in claim 3, wherein: the connecting rod (6) is L-shaped, the end of one end is connected to the pressing block (5), and the other end is connected to the connecting bearing (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010128296.0A CN111271351A (en) | 2020-02-28 | 2020-02-28 | Clamping mechanism for clamping handrail of hand agricultural machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010128296.0A CN111271351A (en) | 2020-02-28 | 2020-02-28 | Clamping mechanism for clamping handrail of hand agricultural machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111271351A true CN111271351A (en) | 2020-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010128296.0A Pending CN111271351A (en) | 2020-02-28 | 2020-02-28 | Clamping mechanism for clamping handrail of hand agricultural machine |
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| Country | Link |
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| CN (1) | CN111271351A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112476285A (en) * | 2020-11-25 | 2021-03-12 | 刘元祥 | Clamping device for machining parts of farm tools |
| CN112877864A (en) * | 2021-01-09 | 2021-06-01 | 刘福娟 | Can stabilize water jet loom of picking |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2830945A1 (en) * | 1976-04-22 | 1980-01-24 | Gardena Kress & Kastner Gmbh | Interchangeable garden tool mounting - has quick release coupling with tensioning casing around sleeve and radially sprung holding element |
| EP0704368A1 (en) * | 1994-09-29 | 1996-04-03 | Starting Industrial Co., Ltd. | Operation lever turn-stop and unlocking mechanisms in lever device |
| CN202172570U (en) * | 2011-06-29 | 2012-03-28 | 现代农装科技股份有限公司 | Clamping mechanism of agricultural mechanical handle |
| CN206575782U (en) * | 2017-02-23 | 2017-10-24 | 成都大学 | A kind of clamping device of agricultural mechanical handle |
| CN107336254A (en) * | 2017-07-10 | 2017-11-10 | 合肥雄川机械销售有限公司 | A kind of clamping device of walking agricultural machine |
| CN108702868A (en) * | 2018-04-26 | 2018-10-26 | 桂兆林 | A kind of gardens spade easy to use |
| CN208645152U (en) * | 2018-08-07 | 2019-03-26 | 福建农业职业技术学院 | A kind of agricultural machinery engineering mechanical clamping device |
-
2020
- 2020-02-28 CN CN202010128296.0A patent/CN111271351A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2830945A1 (en) * | 1976-04-22 | 1980-01-24 | Gardena Kress & Kastner Gmbh | Interchangeable garden tool mounting - has quick release coupling with tensioning casing around sleeve and radially sprung holding element |
| EP0704368A1 (en) * | 1994-09-29 | 1996-04-03 | Starting Industrial Co., Ltd. | Operation lever turn-stop and unlocking mechanisms in lever device |
| CN202172570U (en) * | 2011-06-29 | 2012-03-28 | 现代农装科技股份有限公司 | Clamping mechanism of agricultural mechanical handle |
| CN206575782U (en) * | 2017-02-23 | 2017-10-24 | 成都大学 | A kind of clamping device of agricultural mechanical handle |
| CN107336254A (en) * | 2017-07-10 | 2017-11-10 | 合肥雄川机械销售有限公司 | A kind of clamping device of walking agricultural machine |
| CN108702868A (en) * | 2018-04-26 | 2018-10-26 | 桂兆林 | A kind of gardens spade easy to use |
| CN208645152U (en) * | 2018-08-07 | 2019-03-26 | 福建农业职业技术学院 | A kind of agricultural machinery engineering mechanical clamping device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112476285A (en) * | 2020-11-25 | 2021-03-12 | 刘元祥 | Clamping device for machining parts of farm tools |
| CN112877864A (en) * | 2021-01-09 | 2021-06-01 | 刘福娟 | Can stabilize water jet loom of picking |
| CN112877864B (en) * | 2021-01-09 | 2022-11-04 | 永宁尔集团股份有限公司 | Can stabilize water jet loom of picking |
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Application publication date: 20200612 |
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| RJ01 | Rejection of invention patent application after publication |