CN112514573A - Cross four-bar mechanism device capable of reducing turning radius - Google Patents
Cross four-bar mechanism device capable of reducing turning radius Download PDFInfo
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- CN112514573A CN112514573A CN202011615622.7A CN202011615622A CN112514573A CN 112514573 A CN112514573 A CN 112514573A CN 202011615622 A CN202011615622 A CN 202011615622A CN 112514573 A CN112514573 A CN 112514573A
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- 230000007246 mechanism Effects 0.000 title abstract description 15
- 125000006850 spacer group Chemical group 0.000 claims abstract description 9
- 230000000717 retained effect Effects 0.000 claims description 2
- 239000000725 suspension Substances 0.000 abstract description 19
- 244000025254 Cannabis sativa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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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
- A01B69/00—Steering of agricultural machines or implements; Guiding agricultural machines or implements on a desired track
- A01B69/007—Steering or guiding of agricultural vehicles, e.g. steering of the tractor to keep the plough in the furrow
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
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- Soil Working Implements (AREA)
Abstract
The invention discloses a crossed four-bar mechanism device for reducing turning radius, which comprises a machine, a rear-hanging assembly and a connecting device, wherein a first handle is arranged on the machine; the machine is connected with the rear suspension assembly through a connecting device; the rear hanging assembly consists of a seat, a rear supporting roller assembly and a rear support, and the seat is arranged on the rear hanging assembly; the rear support roller assembly is hinged with the rear support; the rear support roller assembly comprises a roller, a roller bracket, a rear support shaft, a spacer, a third nut and a fourth washer; the roller bracket is fixed with a rear supporting shaft through a spacer, a third nut and a fourth washer; the roller bracket is provided with a roller; the connecting device consists of a connecting box cover, a second handle, a first rotating shaft and a torsion spring. The invention has the advantages of reducing the turning radius, facilitating the turning and stable connection of the rear-hanging assembly and the machine.
Description
Technical Field
The invention relates to the field of crossed four-bar mechanisms for reducing turning radius, in particular to a crossed four-bar mechanism device for reducing turning radius.
Background
The sports court is the place that each stadium and colleges and universities supplied people to move, and the sports court is generally laid by the lawn, and grass on the lawn generally needs to be pruned often and combed, so needs sports court lawn maintenance machine, and the machine need turn in the use, therefore needs reduce turn radius's cross four-bar linkage.
However, the existing crossed four-bar mechanism device for reducing the turning radius still has the problems of large turning radius, inconvenience in turning and unstable connection of a rear-mounted assembly and a machine.
Therefore, it is necessary to design a crossed four-bar mechanism device which reduces the turning radius, is convenient to turn, and has stable connection between a rear suspension assembly and a machine.
Disclosure of Invention
The invention provides a crossed four-bar mechanism device for reducing turning radius, which can solve the problems mentioned in the background technology.
The invention provides a crossed four-bar mechanism device for reducing turning radius, which comprises a machine, a rear-hanging assembly and a connecting device, wherein a first handle is arranged on the machine; the machine is connected with the rear suspension assembly through a connecting device; the rear hanging assembly consists of a seat, a rear supporting roller assembly and a rear support, and the seat is arranged on the rear hanging assembly; the rear support roller assembly is hinged with the rear support; the rear support roller assembly comprises a roller, a roller bracket, a rear support shaft, a spacer, a third nut and a fourth washer; the roller bracket is fixed with a rear supporting shaft through a spacer, a third nut and a fourth washer; the roller bracket is provided with a roller; the connecting device consists of a connecting box cover, a second handle, a first rotating shaft and a torsion spring; the connecting device is provided with a clamping plate; the clamping plate is fixed on the second handle; connecting plates are respectively fixed on the machine and the rear supporting roller assembly; a connecting rod is connected between the connecting plates; a supporting connecting plate is fixed on the machine; a fixed ball head shaft is arranged on the support connecting plate; a second rotating shaft is arranged between the rear support roller assembly and the rear support and is limited by a cotter pin; and a clamping plate is fixed at one end of the second handle.
Preferably, the connecting device is fixed on the rear bracket through a bolt, a second nut, a second washer and a third washer.
Preferably, the fixed ball head shaft is fixed on a support connecting plate of the machine through a first nut and a first washer.
Preferably, the connecting device and the connecting body of the rear hanging assembly are connected with the fixed ball head shaft; and is limited by the clamping plate.
Preferably, the rear support roller assembly is connected with the connecting rod through a first pin.
Preferably, the machine is connected to the connecting rod by a second pin.
Preferably, the rear support roller assembly, the machine, the rear bracket and the connecting rod form a crossed four-bar mechanism.
Preferably, the second rotating shaft is connected with the sleeve through a fifth washer and a cotter pin.
The invention has the following beneficial effects:
1. the cross four-bar mechanism device for reducing the turning radius is characterized in that a first handle is arranged on a machine; the machine is connected with the rear suspension assembly through a connecting device; the rear hanging assembly consists of a seat, a rear supporting roller assembly and a rear support, and the seat is arranged on the rear hanging assembly; the rear support roller assembly is hinged with the rear support; the connecting device consists of a connecting box cover, a second handle, a first rotating shaft and a torsion spring; the connecting device is provided with a clamping plate; the clamping plate is fixed on the second handle; a supporting connecting plate is fixed on the machine; a ball head shaft is arranged on the supporting connecting plate; a second rotating shaft is arranged between the rear supporting roller assembly and the rear support; and is limited by a cotter pin; the roller wheel bracket is connected with the connecting frame; the machine is connected with a supporting connecting plate; a clamping plate is fixed at one end of the second handle; when the machine turns, the handle is pushed to turn the machine, the rear support roller assembly is pulled by the connecting rod to rotate around the rotating shaft, and when the machine turns, the rear hanging assembly turns conveniently due to the rotation of the rear support roller assembly, and the grasping radius of the whole machine is reduced.
2. In the crossed four-bar mechanism device for reducing the turning radius, a machine is connected with a rear suspension assembly through a connecting device; the rear hanging assembly consists of a seat, a rear supporting roller assembly and a rear support, and the seat is arranged on the rear hanging assembly; the rear support roller assembly is hinged with the rear support; the connecting device is provided with a clamping plate; the clamping plate is fixed on the second handle; a supporting connecting plate is fixed on the machine; a ball head shaft is arranged on the supporting connecting plate; a second rotating shaft is arranged between the rear supporting roller assembly and the rear support; and is limited by a cotter pin; the roller wheel bracket is connected with the connecting frame; the machine is connected with a supporting connecting plate; a clamping plate is fixed at one end of the second handle; so that the rear suspension assembly is stably connected with the machine.
Drawings
FIG. 1 is a schematic view of a cross four-bar linkage assembly for reducing turning radius according to the present invention;
FIG. 2 is a schematic view of a cross four bar linkage machine and link connection configuration for reducing turning radius according to the present invention;
FIG. 3 is a partial schematic view of a cross four-bar linkage assembly for reducing the turning radius according to the present invention;
FIG. 4 is a schematic view of a connecting frame and a roller bracket of a crossed four-bar linkage assembly for reducing turning radius according to the present invention;
FIG. 5 is a schematic view of a roller bracket and roller connection structure of a crossed four-bar linkage assembly for reducing turning radius according to the present invention;
fig. 6 is a schematic view of the connection structure of the machine and the rear supporting roller assembly of the crossed four-bar linkage device for reducing the turning radius according to the present invention.
Description of reference numerals: 1-a machine; 2-a first handle; 3-rear hanging assembly; 4-a seat; 5-rear support roller components; 6-rear support; 7-a connecting device; 8-a connecting frame; 9-a connecting plate; 10-a connecting rod; 11-a support connection plate; 12-a second handle; 13-a first shaft; 14-torsion spring; 15-clamping plate; 16-a first nut; 17-a first gasket; 18-fixing the ball head shaft; 19-bolt; 20-a second nut; 21-a second gasket; 22-a third gasket; 23-connecting the box cover; 24-a spacer; 25-a third nut; 26-a fourth gasket; 27-rear support shaft; 28-a roller bracket; 29-a roller; 30-sleeve; 31-a fifth gasket; 32-cotter pin; 33-a second shaft; 34-a first pin; 35-second pin.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
As shown in fig. 1 to 6, the crossed four-bar linkage device for reducing the turning radius provided by the embodiment of the invention comprises a machine 1, a rear suspension assembly 3 and a connecting device 7, wherein a first handle 2 is mounted on the machine 1; the machine 1 is connected with the rear suspension assembly 3 through a connecting device 7; the rear suspension assembly 3 consists of a seat 4, a rear support roller assembly 5 and a rear support 6, and the seat 4 is arranged on the rear suspension assembly 3; the rear supporting roller assembly 5 is hinged with the rear support 6; the rear supporting roller assembly 5 comprises a roller 29, a roller bracket 28, a rear supporting shaft 27, a spacer 24, a third nut 25 and a fourth washer 26; the roller bracket 28 is fixed with a rear supporting shaft 27 through a spacer 24, a third nut 25 and a fourth washer 26; the roller bracket 28 is provided with a roller 29; the connecting device 7 consists of a connecting box cover 23, a second handle 12, a first rotating shaft 13 and a torsion spring 14; the connecting device 7 is provided with a clamping plate 15; the clamping plate 15 is fixed on the second handle 12; connecting plates 9 are respectively fixed on the machine 1 and the rear supporting roller assembly 5; a connecting rod 10 is connected between the connecting plates 9; a supporting connecting plate 11 is fixed on the machine 1; a fixed ball head shaft 18 is arranged on the support connecting plate 11; a second rotating shaft 33 is arranged between the rear supporting roller assembly 5 and the rear support 6 and is limited by a cotter pin 32; a clamping plate 15 is fixed at one end of the second handle 12.
In this embodiment, the connecting device 7 is fixed to the rear bracket 6 by a bolt 19, a second nut 20, a second washer 21, and a third washer 22.
In this embodiment, the fixed ball stud 18 is fixed to the support link plate 11 of the machine 1 via a first nut 16 and a first washer 17.
In this embodiment, the connecting body of the connecting device 7 and the rear suspension assembly 3 is connected with the fixed ball head shaft 18; and is retained by the catch plate 15.
In this embodiment, the rear supporting roller assembly 5 is connected to the link 10 by a first pin 34.
In this embodiment, the machine 1 is connected to the connecting rod 10 by means of a second pin 35.
In this embodiment, the rear support roller assembly 5, the machine 1, the rear bracket 6 and the connecting rod 10 form a crossed four-bar mechanism.
In this embodiment, the second shaft 33 is connected to the sleeve 30 through a fifth washer 31 and a cotter pin 32.
The working principle is as follows: the handle 12 is pulled, the clamping plate 15 clamped at the lower opening of the ball head shaft 18 rotates along with the handle, and the rear hanging assembly 3 can be taken down; connecting plates 9 are fixed on the machine 1 and the rear supporting roller assembly 5 and are respectively connected with two ends of a connecting rod 10; rear support roller assembly 5 rotates around connecting rod 10 through round pin 34, machine 1 rotates around connecting rod 10 through round pin 35, rear hitch assembly 3 rotates around machine 1 through bulb 18, rear support roller assembly 5 rotates around rear bracket 6 through pivot 33, when the machine turns, promote hand (hold) 2 and make the machine turn, at this moment, pull rear support roller assembly 5 through connecting rod 10 and rotate around pivot 33 (as shown in fig. 6), when machine 1 turns, make rear hitch assembly 3 turn convenient because of the rotation of rear support roller assembly 5, and reduced the grasp radius of complete machine.
The technical effects are as follows: in the crossed four-bar mechanism device for reducing the turning radius, a first handle 2 is arranged on a machine 1; the machine 1 is connected with the rear suspension assembly 3 through a connecting device 7; the rear suspension assembly 3 consists of a seat 4, a rear support roller assembly 5 and a rear support 6, and the seat 4 is arranged on the rear suspension assembly 3; the rear supporting roller assembly 5 is hinged with the rear support 6; the connecting device 7 consists of a connecting box cover 23, a second handle 12, a first rotating shaft 13 and a torsion spring 14; the connecting device 7 is provided with a clamping plate 15; the clamping plate 15 is fixed on the second handle 12; a supporting connecting plate 11 is fixed on the machine 1; a ball head shaft 18 is arranged on the support connecting plate 11; a second rotating shaft 33 is arranged between the rear supporting roller assembly 5 and the rear support 6; and is limited by a cotter pin 32; the roller bracket 28 is connected with the connecting frame 8; the machine 1 is connected with a supporting connecting plate 11; a clamping plate 15 is fixed at one end of the second handle 12; when the machine turns, the handle 2 is pushed to turn the machine, the rear support roller assembly 5 is pulled by the connecting rod 10 to rotate around the rotating shaft 33 (as shown in fig. 6), and when the machine 1 turns, the rear suspension assembly 3 turns conveniently due to the rotation of the rear support roller assembly 5, and the grasping radius of the whole machine is reduced. In the crossed four-bar mechanism device for reducing the turning radius, a machine 1 is connected with a rear suspension assembly 3 through a connecting device 7; the rear suspension assembly 3 consists of a seat 4, a rear support roller assembly 5 and a rear support 6, and the seat 4 is arranged on the rear suspension assembly 3; the rear supporting roller assembly 5 is hinged with the rear support 6; the connecting device 7 is provided with a clamping plate 15; the clamping plate 15 is fixed on the second handle 12; a supporting connecting plate 11 is fixed on the machine 1; a ball head shaft 18 is arranged on the support connecting plate 11; a second rotating shaft 33 is arranged between the rear supporting roller assembly 5 and the rear support 6; and is limited by a cotter pin 32; the roller bracket 28 is connected with the connecting frame 8; the machine 1 is connected with a supporting connecting plate 11; a clamping plate 15 is fixed at one end of the second handle 12; so that the rear suspension assembly 3 is stably connected with the machine 1.
The above disclosure is only for the specific embodiment of the present invention, but the embodiment of the present invention is not limited thereto, and any variations that can be made by those skilled in the art should fall within the scope of the present invention.
Claims (8)
1. A reduced turning radius crossed four-bar linkage assembly, comprising: the multifunctional hanging machine comprises a machine (1), a rear hanging assembly (3) and a connecting device (7), wherein a first handle (2) is mounted on the machine (1); the machine (1) is connected with the rear hanging assembly (3) through a connecting device (7); the rear hanging assembly (3) consists of a seat (4), a rear supporting roller assembly (5) and a rear support (6), and the seat (4) is arranged on the rear hanging assembly (3); the rear support roller assembly (5) is hinged with the rear support (6); the rear support roller assembly (5) comprises a roller (29), a roller bracket (28), a rear support shaft (27), a spacer (24), a third nut (25) and a fourth washer (26); the roller bracket (28) is fixed with a rear supporting shaft (27) through a spacer (24), a third nut (25) and a fourth washer (26); the roller bracket (28) is provided with a roller (29); the connecting device (7) consists of a connecting box cover (23), a second handle (12), a first rotating shaft (13) and a torsion spring (14); a clamping plate (15) is arranged on the connecting device (7); the clamping plate (15) is fixed on the second handle (12); the machine (1) and the rear supporting roller assembly (5) are respectively fixed with a connecting plate (9); a connecting rod (10) is connected between the connecting plates (9); a supporting connecting plate (11) is fixed on the machine (1); a fixed ball head shaft (18) is arranged on the support connecting plate (11); a second rotating shaft (33) is arranged between the rear supporting roller assembly (5) and the rear support (6) and is limited by a cotter pin (32); one end of the second handle (12) is fixed with a clamping plate (15).
2. A reduced turning radius crossed four bar linkage according to claim 1, characterized in that said connecting means (7) is fixed to the rear bracket (6) by means of a bolt (19), a second nut (20), a second washer (21), a third washer (22).
3. A reduced turning radius crossed four-bar linkage according to claim 1, characterized in that said fixed ball-point axle (18) is fixed to the supporting web (11) of the machine (1) by means of a first nut (16), a first washer (17).
4. A reduced turning radius crossed four bar linkage according to claim 1, characterized in that the connection body of the connection device (7) and the rear hitch assembly (3) is connected to the fixed ball pivot (18) and is retained by the catch plate (15).
5. A reduced turning radius crossed four bar linkage assembly according to claim 1, wherein said rear support roller assembly (5) is connected to the link (10) by a first pin (34).
6. A reduced turning radius crossed four bar linkage according to claim 1, characterized in that said machine (1) is connected to the connecting rod (10) by means of a second pin (35).
7. A reduced turning radius crossed four bar linkage arrangement according to claim 1, characterized in that the rear support roller assembly (5), the machine (1), the rear carriage (6) and the links (10) constitute a crossed four bar linkage.
8. A reduced turning radius crossed four bar linkage according to claim 1, characterized in that said second shaft (33) is connected to the sleeve (30) through a fifth washer (31) and a cotter pin (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011615622.7A CN112514573A (en) | 2020-12-31 | 2020-12-31 | Cross four-bar mechanism device capable of reducing turning radius |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011615622.7A CN112514573A (en) | 2020-12-31 | 2020-12-31 | Cross four-bar mechanism device capable of reducing turning radius |
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| Publication Number | Publication Date |
|---|---|
| CN112514573A true CN112514573A (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011615622.7A Pending CN112514573A (en) | 2020-12-31 | 2020-12-31 | Cross four-bar mechanism device capable of reducing turning radius |
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| Country | Link |
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| CN (1) | CN112514573A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0298401A1 (en) * | 1987-07-04 | 1989-01-11 | Roland Rief | Hitch, especially for agricultural tractors |
| WO1994023985A1 (en) * | 1993-04-19 | 1994-10-27 | Lohr Industrie | Vehicle made up of a series of modules interconnected via a composite articulated connection assembly |
| CN102349368A (en) * | 2011-09-09 | 2012-02-15 | 湘乡市高峰五金机械制造有限公司 | Multifunctional micro cultivator |
| EP2497658A1 (en) * | 2011-03-05 | 2012-09-12 | Sebastian Zunhammer | Tractor with trailer |
| EP3300932A1 (en) * | 2016-09-30 | 2018-04-04 | King Rack Industrial Co., Ltd. | Clamp device for hitch ball |
| CN214102266U (en) * | 2020-12-31 | 2021-09-03 | 兴化市台林机械有限公司 | Cross four-bar mechanism device capable of reducing turning radius |
-
2020
- 2020-12-31 CN CN202011615622.7A patent/CN112514573A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0298401A1 (en) * | 1987-07-04 | 1989-01-11 | Roland Rief | Hitch, especially for agricultural tractors |
| WO1994023985A1 (en) * | 1993-04-19 | 1994-10-27 | Lohr Industrie | Vehicle made up of a series of modules interconnected via a composite articulated connection assembly |
| EP2497658A1 (en) * | 2011-03-05 | 2012-09-12 | Sebastian Zunhammer | Tractor with trailer |
| CN102349368A (en) * | 2011-09-09 | 2012-02-15 | 湘乡市高峰五金机械制造有限公司 | Multifunctional micro cultivator |
| EP3300932A1 (en) * | 2016-09-30 | 2018-04-04 | King Rack Industrial Co., Ltd. | Clamp device for hitch ball |
| CN214102266U (en) * | 2020-12-31 | 2021-09-03 | 兴化市台林机械有限公司 | Cross four-bar mechanism device capable of reducing turning radius |
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