CN208593693U - A kind of single cylinder trailing draw-arm type dust cart torque arm device - Google Patents
A kind of single cylinder trailing draw-arm type dust cart torque arm device Download PDFInfo
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- CN208593693U CN208593693U CN201821335104.8U CN201821335104U CN208593693U CN 208593693 U CN208593693 U CN 208593693U CN 201821335104 U CN201821335104 U CN 201821335104U CN 208593693 U CN208593693 U CN 208593693U
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- torque arm
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- hydraulic cylinder
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- subframe
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Abstract
The utility model discloses a kind of torque arm devices of single cylinder draw-arm cram packer, including torque arm, lifting hydraulic cylinder, linkage rack, subframe, locked hydraulic cylinder, retaining mechanism, the cylinder rod of lifting hydraulic cylinder and torque arm are articulated with the intermediate position points B of torque arm, the cylinder barrel and subframe of lifting hydraulic cylinder are articulated with the front medial location point A of subframe, form the centre of gyration of lifting hydraulic cylinder；The tail portion of torque arm and the front end of the linkage rack are articulated with the tail portion point C of torque arm；Linkage rack rear end and subframe pass through the tail portion point D for being articulated with subframe of pin shaft and subframe；Retaining mechanism is articulated with the middle part point E of linkage rack by pin shaft and linkage rack, and the cylinder rod and retaining mechanism of locked hydraulic cylinder are articulated with the end points F of locked hydraulic cylinder, and locked hydraulic cylinder cylinder barrel is articulated with linkage rack front point G in linkage rack.The utility model uses hydraulic locking, using cylindrical surface increase locking contact area, the interference of hydraulic locking cylinder mechanism and dustbin when avoiding dustbin being pulled on subframe.
Description
Technical field
The present invention relates to environmental sanitation vehicles field, in particular to a kind of torque arm device of single cylinder draw-arm cram packer.
Background technique
Existing trailing draw-arm type dust cart torque arm generallys use L-shaped structure, and the vertical hook arm of torque arm is directly welded on water vertically
On plain hook arm, lifting hydraulic cylinder cylinder rod is connect by the pin shaft in horizontal hook arm with torque arm, and such structure needs each one around
Often there is two sides unbalance loading phenomenon very much during actual load in lifting hydraulic cylinder, dustbin, and two hydraulic cylinders cannot synchronize at this time
Movement, can arrive connecting shaft at this time and torque arm structure damages.Existing retaining mechanism draws dustbin onto subframe in torque arm
During can and dustbin generate interference, and contacted with box body wire, safety is low, generates damage to garbage architecture.
Summary of the invention
In view of the above technical problems, the object of the present invention is to provide a kind of torque arm of single cylinder draw-arm cram packer dresses
It sets, the entrucking of dustbin apparatus can be completed only with a load lifting cylinder and unloads, dustbin is locked using hydraulic cylinder.
In order to solve above-mentioned technical problem, the method for the invention is achieved through the following technical solutions:
A kind of torque arm device of single cylinder draw-arm cram packer, including torque arm (1), lifting hydraulic cylinder (2), linkage rack
(3), subframe (4), locked hydraulic cylinder (5), retaining mechanism (6), it is characterised in that: the cylinder rod of the lifting hydraulic cylinder (2) with
The torque arm (1) is articulated with the middle position B point of torque arm, and the cylinder barrel of the lifting hydraulic cylinder (2) and the subframe (4) are hinged
In the front medial location point A of the subframe (4), the centre of gyration of the lifting hydraulic cylinder is formed；The tail of the torque arm (1)
The front end of portion and the linkage rack (3) is articulated with the tail portion point C of torque arm (1), forms the centre of gyration of torque arm (1)；It is described
Moving frame (3) rear end and the subframe (4) pass through the tail for being articulated with the subframe (4) of pin shaft and the subframe (4)
Portion point D, forms the centre of gyration of the linkage rack (3)；The retaining mechanism (6) is hinged by pin shaft and the linkage rack (3)
In the middle part point E of the linkage rack (3), the cylinder rod of the locked hydraulic cylinder (5) and the retaining mechanism (6) are articulated with the lock
The end points F of tight hydraulic cylinder (5), the cylinder barrel of the locked hydraulic cylinder (5) and the linkage rack (3) are articulated with linkage rack front point
G。
In above-mentioned technical proposal, the torque arm (1) uses " herringbone " structure, and the retaining mechanism (6) uses symmetrical junction
Structure, the intermediate position of retaining mechanism (6) have the steel plate of arc groove to contact with the cylinder bottom tube on dustbin by two to fix rubbish
Rubbish case, the cylinder rod that two round-meshed steel plates and the locked hydraulic cylinder (5) are stretched out in the intermediate position of retaining mechanism (6) are hinged.
In above-mentioned technical proposal, the free end end of the torque arm (1) is provided with drag hook, and the drag hook is for hooking rubbish
Pull ring on case.
Due to the adoption of the above technical scheme, the present invention and existing trailing draw-arm type dust cart torque arm device using twin-tub driving,
Complicated mechanical mechanism locking is compared with the hydraulic locking cylinder technology of postposition, is had the following beneficial effects:
Load lifting cylinder quantity of the invention is few.Only with a load lifting cylinder, hydraulic system is effectively simplified, can be greatly reduced
Production cost, avoids double hydraulic cylinder stationary problem.
The present invention uses hydraulic locking, and locking contact surface uses cylindrical surface, effectively increases locking contact area, safety
Reliably, structure is simple, and Barrel of Hydraulic Cylinders is hinged on the front of linkage rack by pin shaft, dustbin is being pulled on the mistake on subframe
Cheng Zhong avoids the interference of hydraulic locking cylinder mechanism and dustbin.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of first structure diagram of single cylinder trailing draw-arm type dust cart torque arm device of the present invention；
Fig. 2 is a kind of the second structural schematic diagram of single cylinder trailing draw-arm type dust cart torque arm device of the invention；
Appended drawing reference: 1- torque arm, 2- lifting hydraulic cylinder, 3- linkage rack, 4- subframe, 5- locked hydraulic cylinder, 6- lock machine
Structure.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " radial direction ", " axial direction ", "upper", "lower", "top", "bottom",
The orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
It states the present invention and simplifies description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.In the description of the present invention, unless otherwise indicated,
The meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Set ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
It, can also be indirectly connected through an intermediary to be to be connected directly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
As depicted in figs. 1 and 2, the torque arm device of a kind of single cylinder draw-arm cram packer provided by the invention, including draw
Arm 1, lifting hydraulic cylinder 2, linkage rack 3, subframe 4, locked hydraulic cylinder 5, retaining mechanism 6, it is characterised in that: the lifting is hydraulic
The cylinder rod of cylinder 2 and the torque arm 1 are articulated with the middle position B point of torque arm, the cylinder barrel and the subframe of the lifting hydraulic cylinder 2
4 are articulated with the front medial location point A of the subframe 4, form the centre of gyration of the lifting hydraulic cylinder；The torque arm 1
Tail portion and the front end of the linkage rack 3 are articulated with the tail portion point C of torque arm 1, form the centre of gyration of torque arm 1；The linkage rack 3
Rear end and the subframe 4 pass through the tail portion point D for being articulated with the subframe 4 of pin shaft and the subframe 4, described in formation
The centre of gyration of linkage rack 3；The retaining mechanism 6 is articulated with the middle part point of the linkage rack 3 by pin shaft and the linkage rack 3
E, the cylinder rod of the locked hydraulic cylinder 5 and the retaining mechanism 6 are articulated with the end points F of the locked hydraulic cylinder 5, the locking
The cylinder barrel of hydraulic cylinder 5 and the linkage rack 3 are articulated with linkage rack front point G.
The torque arm 1 uses " herringbone " structure, and the retaining mechanism 6 uses symmetrical structure, and intermediate position passes through two
There is the plank of arc groove to contact with the cylinder bottom tube on dustbin to fix dustbin, intermediate position stretching two round-meshed vertical
The cylinder rod of plate and the locked hydraulic cylinder 5 is hinged, and 6 both ends of retaining mechanism are linked together by axis with the linkage rack 3.
The free end end of torque arm of the invention is provided with drag hook, and the drag hook is used to hook the pull ring on dustbin.
The working principle of the invention is described below:
When torque arm 1 of the invention draws the dustbin equipped with rubbish to garbage truck, locked hydraulic cylinder 5 is located at retracted mode,
Lifting hydraulic cylinder 2 stretches out, and torque arm 1 is rotated around point C, and torque arm utilizes design feature, and it is motionless that linkage rack 3 is pressed on subframe 4, torque arm
1 hook hooks the pull ring on dustbin, and chest is slowly pulled on subframe 4, and 5 cylinder rod of locked hydraulic cylinder is stretched out, by rubbish
Case is fixed on subframe.
When rubbish in the dustbin equipped with rubbish is poured out in torque arm 1, locked hydraulic cylinder 5 keeps stretching state, by rubbish
Case is fixed, and dustbin rear cover is opened, and lifting hydraulic cylinder 2 stretches out, and torque arm 1, linkage rack 3 and dustbin entirety are in revolution with F
The heart pours out the rubbish in dustbin, and after the completion, lifting hydraulic cylinder 2 retracts, and torque arm 1, linkage rack 3 and dustbin return to originally
Position.
When the dustbin of no rubbish is put into ground by torque arm 1, locked hydraulic cylinder 5 is retracted, and lifting hydraulic cylinder 2 stretches out, and is with C
Dustbin is placed in ground by rotation center.
Torque arm 1 of the invention uses " herringbone " structure, it is only necessary to which torque arm pull-up rubbish can be completed in a lifting hydraulic cylinder
In rubbish case, emptying refuse box rubbish and unload dustbin movement control.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (3)
1. a kind of single cylinder trailing draw-arm type dust cart torque arm device, including torque arm (1), lifting hydraulic cylinder (2), linkage rack (3), subframe
(4), locked hydraulic cylinder (5), retaining mechanism (6), it is characterised in that: the cylinder rod of the lifting hydraulic cylinder (2) and the torque arm (1)
It is articulated with the middle position B point of torque arm, the cylinder barrel of the lifting hydraulic cylinder (2) and the subframe (4) are articulated with the secondary vehicle
The front medial location point A of frame (4), forms the centre of gyration of the lifting hydraulic cylinder；The tail portion of the torque arm (1) and described
The front end of moving frame (3) is articulated with the tail portion point C of torque arm (1), forms the centre of gyration of torque arm (1)；Linkage rack (3) rear end
Portion and the subframe (4) pass through the tail portion point D for being articulated with the subframe (4) of pin shaft and the subframe (4), form institute
State the centre of gyration of linkage rack (3)；The retaining mechanism (6) is articulated with the linkage rack by pin shaft and the linkage rack (3)
(3) middle part point E, the cylinder rod of the locked hydraulic cylinder (5) and the retaining mechanism (6) are articulated with the locked hydraulic cylinder (5)
End points F, the cylinder barrel of the locked hydraulic cylinder (5) and the linkage rack (3) are articulated with linkage rack front point G.
2. a kind of single cylinder trailing draw-arm type dust cart torque arm device according to claim 1, which is characterized in that the torque arm (1)
Using " herringbone " structure, the retaining mechanism (6) uses symmetrical structure, and there is circle at the intermediate position of retaining mechanism (6) by two
The steel plate of arc slot contacts to fix dustbin with the cylinder bottom tube on dustbin, and the intermediate position of retaining mechanism (6) stretches out two
Round-meshed steel plate and the cylinder rod of the locked hydraulic cylinder (5) are hinged.
3. a kind of single cylinder trailing draw-arm type dust cart torque arm device according to claim 2, which is characterized in that the torque arm (1)
Free end end be provided with drag hook, the drag hook is used to hook the pull ring on dustbin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821335104.8U CN208593693U (en) | 2018-08-17 | 2018-08-17 | A kind of single cylinder trailing draw-arm type dust cart torque arm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821335104.8U CN208593693U (en) | 2018-08-17 | 2018-08-17 | A kind of single cylinder trailing draw-arm type dust cart torque arm device |
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| Publication Number | Publication Date |
|---|---|
| CN208593693U true CN208593693U (en) | 2019-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821335104.8U Active CN208593693U (en) | 2018-08-17 | 2018-08-17 | A kind of single cylinder trailing draw-arm type dust cart torque arm device |
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| CN (1) | CN208593693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108974731A (en) * | 2018-08-17 | 2018-12-11 | 燕山大学 | A kind of single cylinder trailing draw-arm type dust cart torque arm device |
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2018
- 2018-08-17 CN CN201821335104.8U patent/CN208593693U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108974731A (en) * | 2018-08-17 | 2018-12-11 | 燕山大学 | A kind of single cylinder trailing draw-arm type dust cart torque arm device |
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