CN112937703B - Spare tire device and rear scarifier of grader - Google Patents
Spare tire device and rear scarifier of grader Download PDFInfo
- Publication number
- CN112937703B CN112937703B CN202110119015.XA CN202110119015A CN112937703B CN 112937703 B CN112937703 B CN 112937703B CN 202110119015 A CN202110119015 A CN 202110119015A CN 112937703 B CN112937703 B CN 112937703B
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- Prior art keywords
- spare tire
- fixing
- frame
- swing rod
- support frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D43/00—Spare wheel stowing, holding, or mounting arrangements
- B62D43/002—Handling devices, mainly for heavy wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D43/00—Spare wheel stowing, holding, or mounting arrangements
- B62D43/02—Spare wheel stowing, holding, or mounting arrangements external to the vehicle body
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
- E02F5/32—Rippers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a spare tire device and a rear scarifier of a grader, which comprises a winch device, a fixing frame, an upper swing rod, a spare tire support frame and a lower swing rod, wherein the fixing frame is sequentially hinged and forms a closed four-bar mechanism, the spare tire support frame is used for placing a spare tire, the fixing frame is connected with a working equipment support frame body, and the winch device controls the spare tire support frame to move up and down. The winch device comprises a lifting rope, a pulley and an electric winch, wherein the pulley and the electric winch are connected with a fixing frame, one end of the lifting rope is connected with the electric winch, and the other end of the lifting rope penetrates through the pulley to be connected with a spare tire supporting frame. The invention also discloses a rear scarifier of the grader, which comprises the spare tire device, and the fixing frame of the spare tire device is connected with the rear scarifier main body. The invention solves the problems that the replacement of the spare tire device in the prior art is time-consuming and labor-consuming and has potential safety hazard.
Description
Technical Field
The invention relates to a spare tire device and a rear scarifier of a grader, belonging to the technical field of engineering machinery application.
Background
Land levellers are often used for highway subgrade leveling and mining area operation outside, the operation occasions are usually far away from suburbs, the daily operation time of the land levellers is nearly 10 hours, the mining area land levellers are usually replaced by people without replacing, tires are common wearing parts, a specified factory is usually required to be started when the tires are replaced, and the construction period can be influenced if the factory distance is far;
the replacement of spare tyre generally can all have certain latency with the help of professional service car to influence time limit for a project progress, current grader spare tyre carrying device is too simple, and carrying device does not have power unit, all need with the help of lifting device when installing or dismantling the spare tyre, not only increase the cost to many work area services can't reach, and is very inconvenient in the open air. The spare tire of a common medium-high horsepower land leveler has the mass of 200-250kg, and can be transported from the land leveler by 2-3 normal adults, and when one land leveler works, only one operator is generally equipped, so that the spare tire is difficult to disassemble, transport and install. The existing spare tire device is time-consuming and labor-consuming and has certain potential safety hazards.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a spare tire device and a rear scarifier of a grader, and solves the problems that the replacement of the spare tire device in the prior art is time-consuming and labor-consuming and has potential safety hazards.
In order to achieve the above object, the present invention adopts the following technical scheme:
a spare tire device comprises a winch device, a fixing frame, an upper swing rod, a spare tire supporting frame and a lower swing rod, wherein the fixing frame is hinged in sequence and forms a closed four-bar mechanism, the spare tire supporting frame is used for placing a spare tire, the fixing frame is connected with working equipment, and the winch device is used for controlling the spare tire supporting frame to move relative to the working equipment.
As a preferred embodiment of the present invention, the winch device comprises a lifting rope, a pulley, and an electric winch, wherein the pulley and the electric winch are connected with the fixing frame, one end of the lifting rope is connected with the electric winch, and the other end of the lifting rope penetrates through the pulley to be connected with the spare tire supporting frame.
As a preferred aspect of the present invention, the spare tire device further includes a fastening device, wherein the fastening device includes a cover plate and a threaded sleeve provided with internal threads, the threaded sleeve is connected to the spare tire support frame, and when the spare tire is hung on the spare tire support frame, the cover plate is pressed on the rim of the spare tire and fastened by the threaded sleeve.
As a preferred solution of the present invention, the spare tire device further includes a locking device, wherein the locking device includes a pin penetrating plate, an anti-releasing pin, and a fixing plate, the pin penetrating plate is connected to the spare tire supporting frame, the fixing plate is connected to a cover plate, and when the spare tire is hung on the spare tire supporting frame, the pin penetrating plate is inserted into the middle of the fixing plate and is fixed by the anti-releasing pin.
As a preferred scheme of the invention, the spare tire device further comprises a spare tire fixing device arranged on the spare tire supporting frame, wherein the spare tire fixing device comprises four steps, the steps are arc-shaped steps which are concentrically arranged and uniformly distributed, and the inner diameter of each step is matched with the inner diameter of the spare tire radial plate.
As a preferred scheme of the invention, the fixing frame further comprises a fixing hole, the upper swing rod further comprises an upper swing rod hole and a bolt, and when the spare tire is positioned at the carrying position, the bolt sequentially penetrates through the fixing hole and the upper swing rod hole and fixes the upper swing rod with the fixing frame through the elastic pin.
As a preferable scheme of the invention, in the spare tire device, the lower swing rod further comprises a limiting block, and when the spare tire is in a removed state, the limiting block enables the spare tire supporting frame to be in a vertical state.
As a preferred embodiment of the present invention, in the spare tire device, the lower swing rod further includes a supporting rod for supporting the spare tire.
A rear scarifier of a grader comprises a spare tire device, wherein a fixing frame of the spare tire device is connected with a rear scarifier main body.
The invention has the beneficial effects that:
1. the invention selects the four-bar linkage to control the storage and the taking-down of the spare tire, has simple structure, easy operation and small occupied space;
2. the invention is independently provided with the winch device, does not use the power of the original equipment, can disassemble the spare tire after parking, and has high safety;
3. the invention is provided with multiple fastening structures, so that the stability of the spare tire support frame can be ensured in the working process of equipment, and the spare tire is not easy to fall off;
4. the spare tire is placed on the ground vertically when in a removal state, a single person can screw the handle nut without any tool, and the spare tire can be easily removed from the grader, so that the physical strength is greatly reduced.
Drawings
FIG. 1 is a schematic view of the overall apparatus of the present invention;
FIG. 2 is a schematic diagram of an electric winch apparatus according to the present invention;
FIG. 3 is an exploded view of the mount of the present invention;
FIG. 4 is a sectional view showing the mounting state of the spare tire support frame of the present invention;
FIG. 5 is a schematic diagram of a process for disassembling a spare tire of the apparatus of the present invention;
FIG. 6 is a second view of the process of disassembling a spare tire of the device of the present invention;
FIG. 7 is a third view of the process of removing the spare tire of the device of the present invention;
FIG. 8 is a diagram of the structure of the fixing frame of the present invention;
FIG. 9 is a diagram of the structure of the upper swing link of the present invention;
FIG. 10 is a diagram of the lower swing link structure of the present invention;
FIG. 11 is an exploded view of the installation of the present invention;
fig. 12 is a second exploded view of the installation of the present invention.
The meaning of the reference numerals in the figures: 1-a spare tire; 2-a spare tire support frame; 3-a lower swing rod; 4-fixing frames; 7-a rear ripper body; 9-winch means; 11-a gasket; 12-handle bolts; 13-anti-slip pins; 14-upper swing rod; 15-cover plate; 16-lifting ropes; 17-hinging a pin shaft; 18-fixing pins; 19-a bolt; 20-pulleys; 21-elastic pins; 22-nut; 24-fixing holes; 25-upper hinge holes; 26-a lower hinge hole; 27-front hinge holes; 28-upper swing rod hole I; 29-upper swing rod hole II; 30-a first lower swing rod hole; 31-a second lower swing rod hole; 32-limiting blocks; 33-supporting rods; 34-support frame hole one; 35-a second support frame hole; 36-steps; 37-a pin plate; 38-a thread sleeve; 39-a fixing plate; 40-connecting holes; 41-rim web; 43-electric winch; 44-control unit.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
As shown in fig. 1, the working device specifically related to this embodiment is a grader, and this embodiment includes a rear ripper body 7, a winch device 9, a fixing frame 4, an upper swing link 14, a spare tire support frame 2, and a lower swing link 3, which are sequentially hinged and form a closed four-bar mechanism, where the fixing frame 4 is connected to the rear ripper body 7, and the winch device 9 controls the spare tire support frame 2 to move relative to the working device.
Referring to fig. 3, 9, 10 and 11, the second upper swing rod hole 29 is connected with the upper hinge hole 25 of the fixing frame 4 through a hinge pin 17; the upper swing rod hole I27 is connected with a support frame hole I34 of the spare tire support frame 2 through a hinge pin 17; the lower swing rod hole I30 is connected with a support frame hole II 35 of the spare tire support frame 2 through a hinge pin 17; the second lower swing rod hole is connected with a lower hinge hole 26 of the rear loosener main body 7 through a hinge pin shaft 17; through the hinged connection, the spare tire support frame 2, the lower swing rod 3, the fixing frame 4 and the upper swing rod 14 form a four-bar linkage mechanism, and the spare tire 1 can be driven to move under the action of the winch device 9.
As can be seen from fig. 2, the winch device 9 includes a lifting rope 16, a pulley 20, an electric winch 43, and a control unit 44 for controlling the movement of the electric winch 43, wherein the electric winch 43 and the control unit 44 are both connected to the fixed frame 4, one end of the lifting rope 16 is connected to the electric winch 43, the other end passes through the pulley 20 to be connected to the spare tire support frame 2, and in combination with fig. 12, the pulley 20 is mounted on the fixed frame 4 through a bolt 19 and a nut 22, and the pulley plays a role of bearing the lifting rope.
As can be seen from fig. 3, the spare tire support 2 is further provided with a thread bush 38, threads are arranged in the thread bush 38, when the spare tire is hung on the spare tire support 2, as can be seen from fig. 3, 4 and 12, the radial plate 41 of the spare tire 1 is hung on the step 36, the step 36 is four circular arc-shaped steps which are concentrically arranged and uniformly distributed, the inner diameter of the step 36 is matched with the inner diameter of the radial plate 41 of the spare tire, and in particular, the outer diameter of the step 36 is larger than the inner diameter of the radial plate 41 of the spare tire 1; the cover plate 15 passes through the connecting hole 40 and is pressed on the rim of the spare tire 1, and the gasket 11 and the handle bolt 12 are connected with the threaded sleeve 38, so that the spare tire 1 is fixed on the spare tire support frame 2; the spare tire support frame 2 further comprises a pin penetrating plate 37, when the spare tire 1 is hung on the spare tire support frame 2, the pin penetrating plate 37 is inserted into the middle of the fixing plate 39 and is fixed through the anti-falling pin 13, and the spare tire 1 is further prevented from falling off. Two pin plates 37 are selected and positioned in opposition.
Referring to fig. 5 and 11, one end of the lower swing rod 3 is provided with a supporting rod 33 for supporting the lower end of the spare tire 1 to prevent the spare tire from sliding down. The lower swing rod 3 is also provided with a limiting block 32, so that when the spare tire 1 is in a removed state, the hinge position of the lower swing rod 3 and the spare tire support frame 2 is prevented from being flexible to make rigid contact, and the spare tire support frame 2 is ensured to be in a vertical state.
When the spare tire 1 is positioned at the carrying position, the fixing hole 24 on the fixing frame 4 is connected with the upper swing rod hole 28 of the upper swing rod 14 through the bolt 18, the elastic pin 21 penetrates into the opening at one end of the bolt 18, the upper swing rod 14 is fixed with the fixing frame 4, and the four-bar mechanism is still in a stable state under the condition that the winch device 9 fails.
Referring to fig. 4, a spare tire 1 is fixed on a spare tire support 2, and is lifted to a carrying state by a winch device 1; fig. 5 to 7 are views showing the process of removing the spare tire 1, wherein the spare tire 1 is erected on the ground when the spare tire 1 is in a removed state, and the spare tire 1 can be transported to the installation area by rolling without being carried.
The four-bar linkage is adopted to control the storage and the removal of the spare tire, so that the structure is simple, the operation is easy, and the occupied space is small; the winch device is independently provided, the power of the original equipment is not used, the spare tire can be disassembled after the vehicle is stopped, and the safety is high; the multiple fastening structure is arranged, so that the stability of the spare tire support frame can be ensured in the working process of the equipment, and the spare tire is not easy to fall off; the spare tire is placed on the ground vertically when in a removal state, a single person can screw the handle nut without any tool, and the spare tire can be easily removed from the grader, so that the physical strength is greatly reduced.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (4)
1. The spare tire device is characterized by comprising a winch device (9), a fixing frame (4), an upper swing rod (14), a spare tire supporting frame (2) and a lower swing rod (3), wherein the fixing frame (4) is hinged in sequence and forms a closed four-bar mechanism, the fixing frame (4) is connected with working equipment, and the winch device (9) is used for controlling the spare tire supporting frame (2) to move relative to the working equipment;
the device comprises a cover plate (15) and a thread sleeve (38) with internal threads, wherein the thread sleeve (38) is connected with a spare tire support frame (2), and when a spare tire is hung on the spare tire support frame (2), the cover plate (15) is pressed on a spare tire rim and is fastened through the thread sleeve (38);
the locking device comprises a pin penetrating plate (37), an anti-falling pin (13) and a fixing plate (39), wherein the pin penetrating plate (37) is connected with the spare tire support frame (2), the fixing plate (39) is connected with the cover plate (15), and when a spare tire is hung on the spare tire support frame, the pin penetrating plate (37) is inserted into the middle of the fixing plate (39) and is fixed through the anti-falling pin (13);
the device comprises a spare tire support frame (2), and is characterized by further comprising a spare tire fixing device arranged on the spare tire support frame (2), wherein the spare tire fixing device comprises four steps (36), the steps (36) are arc-shaped steps which are concentrically arranged and uniformly distributed, and the inner diameter of each step (36) is matched with the inner diameter of a spare tire radial plate (41);
the fixing frame (4) further comprises a fixing hole (24), the upper swing rod (14) further comprises an upper swing rod hole (28) and a bolt (18), and when the spare tire is located at the carrying position, the bolt (18) sequentially penetrates through the fixing hole (24) and the upper swing rod hole (28) to fix the upper swing rod (14) with the fixing frame (4) through an elastic pin (21);
the lower swing rod (3) further comprises a limiting block (32), and when the spare tire (1) is in a removed state, the limiting block (32) enables the spare tire supporting frame (2) to be in a vertical state.
2. The spare tire device according to claim 1, wherein the winch device (9) comprises a lifting rope (16), a pulley (20) and an electric winch (43), the pulley (20) and the electric winch (43) are connected with the fixing frame (4), one end of the lifting rope (16) is connected with the electric winch (43), and the other end of the lifting rope penetrates through the pulley (20) to be connected with the spare tire supporting frame (2).
3. A spare tire device according to claim 1, wherein the lower swing link (3) further comprises a support bar (33) supporting the spare tire (1).
4. A rear ripper for a grader, comprising a spare tire device according to any one of claims 1-3, the mounting bracket (4) of the spare tire device being connected to the rear ripper body (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110119015.XA CN112937703B (en) | 2021-01-28 | 2021-01-28 | Spare tire device and rear scarifier of grader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110119015.XA CN112937703B (en) | 2021-01-28 | 2021-01-28 | Spare tire device and rear scarifier of grader |
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| Publication Number | Publication Date |
|---|---|
| CN112937703A CN112937703A (en) | 2021-06-11 |
| CN112937703B true CN112937703B (en) | 2023-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110119015.XA Active CN112937703B (en) | 2021-01-28 | 2021-01-28 | Spare tire device and rear scarifier of grader |
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| CN (1) | CN112937703B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0928664A3 (en) * | 1998-01-09 | 2001-05-02 | I.S.I. International S.A. | Handdriven toggle lever clamp |
| US20090120976A1 (en) * | 2007-11-09 | 2009-05-14 | Mackarvich Charles J | Pivotal Spare Tire Carrier |
| CN201842217U (en) * | 2010-10-27 | 2011-05-25 | 威海中复西港船艇有限公司 | Folding type mast for boat made of glass fiber reinforced plastics |
| CN202194412U (en) * | 2011-08-19 | 2012-04-18 | 杨帆 | Unit three-dimensional parking space |
| US9689565B2 (en) * | 2014-02-27 | 2017-06-27 | Abl Ip Holding Llc | Recessed luminaire adjustment mechanism |
| CN106740411A (en) * | 2016-12-23 | 2017-05-31 | 浙江星驰汽车有限公司 | A kind of cross country caravan with business function |
| CN207420473U (en) * | 2017-08-30 | 2018-05-29 | 姜亚兰 | A kind of water conservancy construction Assembled punch |
| CN210423334U (en) * | 2019-06-21 | 2020-04-28 | 江西洪都航空工业集团有限责任公司 | A bolt connecting device for bearing cut position |
| CN111776090B (en) * | 2020-06-30 | 2023-07-07 | 徐州徐工筑路机械有限公司 | Spare tire carrying device for grader and use method of spare tire carrying device |
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- 2021-01-28 CN CN202110119015.XA patent/CN112937703B/en active Active
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| Publication number | Publication date |
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| CN112937703A (en) | 2021-06-11 |
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