CN207269374U - A kind of anticollision lower cutting table elevating mechanism - Google Patents
A kind of anticollision lower cutting table elevating mechanism Download PDFInfo
- Publication number
- CN207269374U CN207269374U CN201721384312.2U CN201721384312U CN207269374U CN 207269374 U CN207269374 U CN 207269374U CN 201721384312 U CN201721384312 U CN 201721384312U CN 207269374 U CN207269374 U CN 207269374U
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- CN
- China
- Prior art keywords
- cutting table
- lower cutting
- dsah
- pull rod
- pot
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of anticollision lower cutting table elevating mechanism, including rack and feeding housing assembly, the feeding housing assembly include can vertical rotating be connected to the receiving cone of rack, lower cutting table assembly is additionally provided with below receiving cone, the lower cutting table assembly includes the cutter arm of rack is stretched out and be vertically rotatablely connected with along receiving cone feeding direction, cutter is installed in the outer end of cutter arm, it is characterized in that, the lower cutting table assembly further includes lower cutting table drive rod, along in cutter arm lengths dimensional directions lower cutting table lifting handle is arranged at intervals with the lower cutting table drive rod, in the utility model, receiving cone is acted on cutter arm when declining, cutter arm pulls dsah-pot inner spring, the ceding of Taiwan together declines with receiving cone, the ceding of Taiwan is prevented to be damaged.Preferably prevent feeding housing assembly from colliding with lower cutting table assembly, there is the advantages of simple in structure, anticollision effect is good, reliable operation, service life is long.
Description
Technical field
It the utility model is related to harvester technical field；More particularly to a kind of anticollision lower cutting table elevating mechanism.
Background technology
Harvester is one of very important equipment in agro-farming operation, is a kind of directly by corn, rice, wheat etc.
Particle gathers in the machine to get off from bar.
During harvesting is carried out using harvester, the cutter assembly of harvester and feeding housing assembly need with
The operation of operator carries out raising and lowering movement, but cutter assembly and feeding housing assembly are not again synchronization liftings, therefore,
When carrying out harvesting using harvester, when cutter assembly is in a fixed position, the past decline of housing assembly will be fed,
Feeding housing assembly has the risk that collision can be interfered with cutter assembly.Conversely, when feeding housing assembly is in one admittedly
When positioning is put, by cutter assembly toward rising, cutter assembly can interfere the risk of collision with feeding housing assembly.Certainly setting
Cutter assembly and feeding housing assembly, can be designed to the mode of linkage by timing, but so be not easy to adjustment cutter assembly
With the relative distance between feeding housing assembly.Furthermore it may be designed as sensing spacing mode, but this design is being tackled
During severe operating environment, failure frequency can increase suddenly.And above two design can be high there are failure risk, design and manufacture cost
The shortcomings that high.
Therefore, how can just provide a kind of simple in structure, anticollision effect is good, reliable operation, service life length it is anti-
Lower cutting table elevating mechanism is hit, becoming those skilled in the art has technical problem to be solved.
Utility model content
In view of the above shortcomings of the prior art, technical problem to be solved in the utility model is：How a kind of knot is provided
Structure is simple, and anticollision effect is good, reliable operation, the anticollision lower cutting table elevating mechanism of service life length.
In order to solve the above-mentioned technical problem, the utility model employs following technical solution：
A kind of anticollision lower cutting table elevating mechanism, including rack and feeding housing assembly, the feeding housing assembly include
Can vertical rotating be connected to the receiving cone of rack, lower cutting table assembly, the lower cutting table assembly are additionally provided with below receiving cone
Including stretching out along receiving cone feeding direction and being vertically rotatablely connected with the cutter arm of rack, pacify in the outer end of cutter arm
Equipped with cutter, it is characterised in that the lower cutting table assembly further includes lower cutting table drive rod, along in cutter arm lengths dimensional directions
Lower cutting table lifting handle is arranged at intervals with the lower cutting table drive rod, the lower cutting table drive rod is obliquely installed and lower end connects
In one end away from cutter on cutter arm, the lower cutting table lifting handle is obliquely installed away from cutter and one end articulated connection is in machine
Frame, the upper end of lower cutting table drive rod are connected with one end of pull rod, the other end of the pull rod and a job of pull rod buffer gear
End is connected, and another working end of the pull rod buffer gear is rotatably connected with lower cutting table lifting handle.
In the technical program, when feeding housing assembly with cushion contact, feeding housing assembly can be total to lower cutting table
Into a downward pressure is provided, at this time, the pulling force being subject to of pull rod can increase, due to being arranged on pull rod and lower cutting table lifting hand
The pull rod buffer gear of handle, enables to the effective length increase of pull rod in the axial direction, the effective ruler of pull rod in the longitudinal direction
It is very little to be increased, the risk that pull rod is ruined by drawing corrupted can be effectively reduced so that carry out the hard of anticollision using cushion pad and connect
Tactile mode will not damage other components on lower cutting table assembly.
As an optimization, cushion pad is installed on the upper surface of cutter arm, cushion pad is installed on cutter arm and receiving cone phase
The position of contact is produced during to rotating.
In this way, during lower cutting table anticollision, when lower cutting table assembly is in a fixed position, feeding housing assembly is being grasped
Decline under the manipulation of author, feeding housing assembly is first first contacted with the cushion pad being arranged on lower cutting table assembly, and cushion pad can
It is affixed and supports with feeding housing assembly；Conversely, when feeding housing assembly is in a fixed position, lower cutting table assembly is in operator
Manipulation under rise, cushion pad also can be affixed and support with feeding housing assembly；In this way, feeding housing assembly and cutter assembly
It will not directly contact, can effectively prevent feeding housing assembly and cutter assembly from contacting and colliding, and using cushion pad
Form, which carries out anticollision, has the advantages of simple in structure, anticollision effect is good, and reliable operation service life is long.
As an optimization, the pull rod buffer gear include axially setting along pull rod and opening towards lower cutting table lifting handle
The dsah-pot of side, is provided with protection spring along its opening direction in dsah-pot, spiral shell is slidably provided with dsah-pot
Mother, the nut is positioned at the outer end of protection spring and protects the end face of spring and the end face of nut to be affixed supporting, in dsah-pot bucket
The middle part perforate at bottom forms the via passed through for pull rod, and pull rod passes through the via of dsah-pot bottom and protects the interior of spring
Circle is fixedly connected with nut, and openend and the lower cutting table lifting handle of the dsah-pot are hinged and connected；And in protection spring
Plain washer is provided between end face outside and nut, end face and nut the inner of the plain washer are affixed supporting.
In this way, when feeding housing assembly with cushion contact, feeding housing assembly can provide one to lower cutting table assembly
A downward pressure, at this time, pull rod can provide a pressure to protection spring, and spring is compressed, and pull rod is integrally cut to axial direction
Knife side is moved, and lower cutting table assembly can decline certain distance downwards, plays the role of protecting drawstring and lower cutting table assembly.Pull rod
Buffer gear, relative to the buffer gear of stretching structure form, can be effectively reduced slow using the structure type of compression buffering
Punching pad causes the effective length size of pull rod because being stressed by unlimited widened risk.Secondly, using above-mentioned pull rod buffer
Structure also has the advantages of simple in structure, reliable operation.
As an optimization, the openend of the dsah-pot and one end of horizontally disposed lower cutting table lifting handle torque arm hingedly connect
Connect, and the other end of lower cutting table lifting handle torque arm is hinged and connected with lower cutting table lifting handle.
In this way, design is more reasonable, connection is relatively reliable.Dsah-pot will not be because of angle change mistake with lower cutting table lifting handle
The big situation for producing interference.
As an optimization, the pull rod buffer gear further includes dsah-pot installation passage, and the dsah-pot can be along its axis side
To being slidably mounted in dsah-pot installation passage, and the dsah-pot installation passage is fixedly mounted in rack.
In this way, dsah-pot is slidably mounted in dsah-pot installation passage, dsah-pot installation passage, which has dsah-pot, to be led
To effect, enable to dsah-pot work it is more reliable.
As an optimization, the pull rod includes the long draw and short rod of horizontally disposed and axially adjacent setting, the length
One end of pull rod is hinged and connected with lower cutting table drive rod, and one end and the nut of short rod are fixedly linked, and long draw and short drawing
Being horizontally disposed between adjacent both ends on bar has adjusting screw rod, and adjusting spiral shell is threaded with the both ends of the adjusting screw rod
Mother, and the one end of two adjusting nuts each with adjacent long draw and short rod is connected.
In this way, pull rod is divided into two parts, is connected between the pull rod of two parts by adjusting screw, tune can be passed through
Whole adjusting screw is to realize that the length summation by pull rod is adjusted.
As an optimization, lower cutting table is additionally provided with rack and highly indicates frame, the lower cutting table highly indicates to set on frame
There are multiple latches of arc-shaped arrangement, the arc is the arc that following taiwan cut off and landing handle center of rotation is the center of circle, the card
Tooth can be engaged by clamping with lower cutting table lifting handle to determine turned position of the lower cutting table lifting handle on perpendicular
Position.
In this way, convenient operation, the position of lower cutting table assembly can be fixed, and it is simple and reliable for structure.
As an optimization, the cushion pad is made by rubber material.
In this way, the good buffer effect of cushion pad, easily obtains.
In conclusion the utility model can preferably prevent feeding housing assembly from colliding with lower cutting table assembly, have
There is the advantages of simple in structure, anticollision effect is good, reliable operation, service life is long.
Brief description of the drawings
Fig. 1 is structure diagram when the utility model is embodied.
Embodiment
With reference to example attached drawing, the utility model is described in further detail.
During specific implementation：As shown in Figure 1, a kind of anticollision lower cutting table elevating mechanism, including rack 1 and feeding housing it is total
Into, the feeding housing assembly include can vertical rotating be connected to the receiving cone 2 of rack 1, be additionally provided with the lower section of receiving cone 2
Lower cutting table assembly, the lower cutting table assembly include machine is stretched out and be vertically rotatablely connected with along the feeding of receiving cone 2 direction
The cutter arm 3 of frame 1, cutter 4 is provided with the outer end of cutter arm 3, and the lower cutting table assembly is further included along 3 length dimension of cutter arm
The spaced lower cutting table drive rod 6 in direction and lower cutting table lifting handle 7, the lower cutting table drive rod 6 is obliquely installed and lower end
One end away from cutter 4 on cutter arm 3 is connected to, the lower cutting table lifting handle 7 is obliquely installed away from cutter 4 and one end is hinged
Rack 1 is connected to, the upper end of lower cutting table drive rod 6 is connected with one end of pull rod 8, and the other end and the pull rod of the pull rod 8 buffer
One working end of mechanism is connected, and another working end of the pull rod buffer gear is rotatably connected with lower cutting table lifting handle 7.
In the technical program, when feeding housing assembly with cushion contact, feeding housing assembly can be total to lower cutting table
Into a downward pressure is provided, at this time, the pulling force being subject to of pull rod can increase, due to being arranged on pull rod and lower cutting table lifting hand
The pull rod buffer gear of handle, enables to the effective length increase of pull rod in the axial direction, the effective ruler of pull rod in the longitudinal direction
It is very little to be increased, the risk that pull rod is ruined by drawing corrupted can be effectively reduced so that carry out the hard of anticollision using cushion pad and connect
Tactile mode will not damage other components on lower cutting table assembly.
In this specific embodiment, cushion pad 5 is installed on the upper surface of cutter arm 3, cushion pad is installed on cutter arm 3
The position of contact is produced when being relatively rotated with receiving cone 2.
In this way, during lower cutting table anticollision, when lower cutting table assembly is in a fixed position, feeding housing assembly is being grasped
Decline under the manipulation of author, feeding housing assembly is first first contacted with the cushion pad being arranged on lower cutting table assembly, and cushion pad can
It is affixed and supports with feeding housing assembly；Conversely, when feeding housing assembly is in a fixed position, lower cutting table assembly is in operator
Manipulation under rise, cushion pad also can be affixed and support with feeding housing assembly；In this way, feeding housing assembly and cutter assembly
It will not directly contact, can effectively prevent feeding housing assembly and cutter assembly from contacting and colliding, and using cushion pad
Form, which carries out anticollision, has the advantages of simple in structure, anticollision effect is good, and reliable operation service life is long.
In this specific embodiment, the pull rod buffer gear includes and opening axially setting along pull rod 8 and is cut under
The dsah-pot 9 of 7 side of platform lifting handle, is provided with protection spring 10, in dsah-pot 9 in dsah-pot 9 along its opening direction
Slidable to be provided with nut 11, the nut 11 is positioned at the end face and nut 11 of the outer end of protection spring 10 and protection spring 10
End face be affixed supporting, the middle part perforate at 9 barrels of bottoms of dsah-pot forms the via passed through for pull rod 8, and pull rod 8 is through buffering
The via of 9 bottoms of cylinder and the inner ring of protection spring 10 are fixedly connected with nut 11, the openend of the dsah-pot 9 and lower cutting table
Lifting handle 7 is hinged and connected.
In this way, when feeding housing assembly with cushion contact, feeding housing assembly can provide one to lower cutting table assembly
A downward pressure, at this time, pull rod can provide a pressure to protection spring, and spring is compressed, and pull rod is integrally cut to axial direction
Knife side is moved, and lower cutting table assembly can decline certain distance downwards, plays the role of protecting drawstring and lower cutting table assembly.Pull rod
Buffer gear, relative to the buffer gear of stretching structure form, can be effectively reduced slow using the structure type of compression buffering
Punching pad causes the effective length size of pull rod because being stressed by unlimited widened risk.Secondly, using above-mentioned pull rod buffer
Structure also has the advantages of simple in structure, reliable operation.
In this specific embodiment, the openend of the dsah-pot 9 and horizontally disposed lower cutting table lifting handle torque arm 12
One end articulated connection, and the other end of lower cutting table lifting handle torque arm 12 is hinged and connected with lower cutting table lifting handle 7.
In this way, design is more reasonable, connection is relatively reliable.Dsah-pot will not be because of angle change mistake with lower cutting table lifting handle
The big situation for producing interference.
In this specific embodiment, the pull rod buffer gear further includes dsah-pot installation passage 13, and the dsah-pot 9 can
It is slidably mounted on along its axis direction in dsah-pot installation passage 13, and the dsah-pot installation passage 13 is fixedly mounted on machine
On frame 1.
In this way, dsah-pot is slidably mounted in dsah-pot installation passage, dsah-pot installation passage, which has dsah-pot, to be led
To effect, enable to dsah-pot work it is more reliable.
In this specific embodiment, the pull rod 8 includes horizontally disposed and axially adjacent setting long draw 81 and short
Pull rod 82, one end and the lower cutting table drive rod 6 of the long draw 81 are hinged and connected, one end and 11 stationary phase of nut of short rod 82
Even, and being horizontally disposed between the adjacent both ends on long draw 81 and short rod 82 has adjusting screw rod 14, in the adjusting spiral shell
The both ends of bar 14 are threaded with adjusting nut, and two adjusting nuts each with adjacent long draw 81 and short rod 82
One end connects.
In this way, pull rod is divided into two parts, is connected between the pull rod of two parts by adjusting screw, tune can be passed through
Whole adjusting screw is to realize that the length summation by pull rod is adjusted.
In this specific embodiment, the short rod 82 is threadedly coupled with nut 11.In this way, simple in structure, convenient dismounting.
In this specific embodiment, plain washer 15, institute are provided between the end face outside of protection spring 10 and nut 11
The end face and 11 the inner of nut for stating plain washer 15 are affixed supporting.
In this way, dsah-pot is more uniformly stressed, it is not susceptible to tilt.
In this specific embodiment, lower cutting table is additionally provided with rack 1 and highly indicates frame 16, the lower cutting table highly refers to
Show multiple latches that arc-shaped arrangement is provided with frame 16, the arc is that following 7 center of rotation of taiwan cut off and landing handle is the center of circle
Arc, the latch can be engaged by clamping with lower cutting table lifting handle 7 with to lower cutting table lifting handle 7 on perpendicular
Turned position is positioned.In this way, convenient operation, the position of lower cutting table assembly can be fixed, and it is simple and reliable for structure.
In this specific embodiment, the cushion pad 5 is made by rubber material.In this way, the good buffer effect of cushion pad, holds
Easily obtain.
In this specific embodiment, the feeding housing assembly further includes receiving cone actuating arm 17, the receiving cone driving
The feeding direction of the oblique receiving cone 2 of arm 17 is set and inner articulated connection is in rack 1, and the receiving cone 2 is installed on feeding
The outer end of bucket actuating arm 17.
In this way, with simple in structure, the advantages of facilitating is manipulated.
In this specific embodiment, the feeding housing assembly further includes receiving cone lifting push-pull mechanism 18, described to feed
The lifting push-pull mechanism 18 that enters to struggle against tilts upward setting and both ends are each articulated and connected in rack 1 and receiving cone actuating arm 17.
In this way, structure is simpler, structure is compacter.
In this specific embodiment, the receiving cone lifting push-pull mechanism 18 is hydraulic cylinder, the cylinder body of the hydraulic cylinder
End articulated connection is articulated and connected in receiving cone actuating arm in rack, the tailpiece of the piston rod of hydraulic cylinder.
In this way, be driven using hydraulic cylinder, have simple in structure, drive the advantages of reliable.
Claims (8)
1. a kind of anticollision lower cutting table elevating mechanism, including rack（1）With feeding housing assembly, the feeding housing assembly includes
Can vertical rotating be connected to rack（1）Receiving cone（2）, in receiving cone（2）Lower section be additionally provided with lower cutting table assembly, under described
Ceding of Taiwan assembly is included along receiving cone（2）Feeding direction stretches out and is vertically rotatablely connected with rack（1）Cutter arm
（3）, in cutter arm（3）Outer end cutter is installed（4）, it is characterised in that the lower cutting table assembly further includes lower cutting table driving
Bar（6）, along cutter arm（3）On length dimension direction with the lower cutting table drive rod（6）It is arranged at intervals with lower cutting table lifting hand
Handle（7）, the lower cutting table drive rod（6）It is obliquely installed and lower end is connected to cutter arm（3）Upper remote cutter（4）One end, institute
State lower cutting table lifting handle（7）Away from cutter（4）It is obliquely installed and one end articulated connection is in rack（1）, lower cutting table drive rod（6）
Upper end and pull rod（8）One end be connected, the pull rod（8）The other end be connected with a working end of pull rod buffer gear, institute
State another working end and the lower cutting table lifting handle of pull rod buffer gear（7）It is rotatable to be connected.
2. a kind of anticollision lower cutting table elevating mechanism as claimed in claim 1, it is characterised in that in cutter arm（3）Upper table
Cushion pad is installed on face（5）, cushion pad is installed on cutter arm（3）And receiving cone（2）The position of contact is produced during relative rotation.
A kind of 3. anticollision lower cutting table elevating mechanism as claimed in claim 1, it is characterised in that the pull rod buffer gear bag
Include along pull rod（8）Axially set and opening is towards lower cutting table lifting handle（7）The dsah-pot of side（9）, in dsah-pot（9）It is interior
Its opening direction is provided with protection spring（10）, in dsah-pot（9）It is interior to be slidably provided with nut（11）, the nut
（11）Positioned at protection spring（10）Outer end and protection spring（10）End face and nut（11）End face be affixed supporting, buffering
Cylinder（9）The middle part perforate at bucket bottom, which is formed, supplies pull rod（8）The via passed through, and pull rod（8）Through dsah-pot（9）The via of bottom
And protection spring（10）Inner ring and nut（11）It is fixedly connected, the dsah-pot（9）Openend and lower cutting table lifting hand
Handle（7）It is hinged and connected；And in protection spring（10）End face outside and nut（11）Between be provided with plain washer（15）, it is described
Plain washer（15）End face and nut（11）The inner is affixed supporting.
A kind of 4. anticollision lower cutting table elevating mechanism as claimed in claim 3, it is characterised in that the dsah-pot（9）Open
Mouth end and horizontally disposed lower cutting table lifting handle torque arm（12）One end articulated connection, and lower cutting table lifting handle torque arm（12）
The other end and lower cutting table lifting handle（7）It is hinged and connected.
5. a kind of anticollision lower cutting table elevating mechanism as claimed in claim 4, it is characterised in that the pull rod buffer gear is also
Including dsah-pot installation passage（13）, the dsah-pot（9）Dsah-pot installation passage can be slidably mounted on along its axis direction
（13）It is interior, and the dsah-pot installation passage（13）It is fixedly mounted on rack（1）On.
A kind of 6. anticollision lower cutting table elevating mechanism as claimed in claim 3, it is characterised in that the pull rod（8）Including water
The long draw of flat setting set and axially adjacent（81）And short rod（82）, the long draw（81）One end and lower cutting table drive
Lever（6）It is hinged and connected, short rod（82）One end and nut（11）It is fixedly linked, and long draw（81）And short rod（82）
On adjacent both ends between be horizontally disposed with have adjusting screw rod（14）, in the adjusting screw rod（14）Both ends be threaded with tune
Save nut, and two adjusting nuts each with adjacent long draw（81）And short rod（82）One end connection.
7. a kind of anticollision lower cutting table elevating mechanism as claimed in claim 3, it is characterised in that in rack（1）On also set up
There is lower cutting table highly to indicate frame（16）, the lower cutting table highly indicates frame（16）On be provided with multiple latches of arc-shaped arrangement,
The arc is following taiwan cut off and landing handle（7）Center of rotation is the arc in the center of circle, and the latch can lift hand with lower cutting table
Handle（7）It is engaged by clamping with to lower cutting table lifting handle（7）Turned position on perpendicular is positioned.
A kind of 8. anticollision lower cutting table elevating mechanism as claimed in claim 2, it is characterised in that the cushion pad（5）By rubber
Glue material matter is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721384312.2U CN207269374U (en) | 2017-10-25 | 2017-10-25 | A kind of anticollision lower cutting table elevating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721384312.2U CN207269374U (en) | 2017-10-25 | 2017-10-25 | A kind of anticollision lower cutting table elevating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207269374U true CN207269374U (en) | 2018-04-27 |
Family
ID=61978783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721384312.2U Expired - Fee Related CN207269374U (en) | 2017-10-25 | 2017-10-25 | A kind of anticollision lower cutting table elevating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207269374U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113016359A (en) * | 2021-03-05 | 2021-06-25 | 江苏沃得植保机械有限公司 | Lawn mower header suspension damping mechanism |
-
2017
- 2017-10-25 CN CN201721384312.2U patent/CN207269374U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113016359A (en) * | 2021-03-05 | 2021-06-25 | 江苏沃得植保机械有限公司 | Lawn mower header suspension damping mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180427 Termination date: 20181025 |
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| CF01 | Termination of patent right due to non-payment of annual fee |