CN221240946U - Hedge trimmer with lifting mechanism - Google Patents
Hedge trimmer with lifting mechanism Download PDFInfo
- Publication number
- CN221240946U CN221240946U CN202322985599.6U CN202322985599U CN221240946U CN 221240946 U CN221240946 U CN 221240946U CN 202322985599 U CN202322985599 U CN 202322985599U CN 221240946 U CN221240946 U CN 221240946U
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- CN
- China
- Prior art keywords
- hedge trimmer
- guide sleeve
- positioning seat
- guide
- lifting mechanism
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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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Links
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 238000013138 pruning Methods 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims 1
- 230000003137 locomotive effect Effects 0.000 claims 1
- 238000009966 trimming Methods 0.000 abstract description 41
- 241001464837 Viridiplantae Species 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000009333 weeding Methods 0.000 description 1
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- Harvester Elements (AREA)
Abstract
The utility model discloses a hedge trimmer with a lifting mechanism, which relates to the technical field of green plant trimming machinery and comprises a trimming attachment arranged in front of a headstock, wherein the trimming attachment comprises an attachment mounting frame, a lifting unit is arranged between the attachment mounting frame and the headstock, the lifting unit comprises a positioning seat, a guide pillar, a guide sleeve and a power cylinder, the positioning seat is fixed on a front frame, the guide pillar is vertically arranged on the positioning seat, the guide sleeve is in sliding connection with the guide pillar, the attachment mounting frame is fixedly connected with the guide sleeve, and two ends of the power cylinder are respectively connected with the guide sleeve and the positioning seat. The hedge trimmer solves the problems of low efficiency, high cost and high safety risk of loading a trailer in the conventional hedge trimmer with the front end provided with the trimming attachment. The hedge trimmer solves the problems of low efficiency, high cost and high safety risk of loading a trailer of the conventional hedge trimmer with the front end provided with the trimming attachment.
Description
Technical Field
The utility model relates to the technical field of green plant pruning machinery, in particular to a hedge trimmer with a lifting function.
Background
The vehicle-mounted hedge trimmer is mechanical equipment for municipal greening maintenance operations such as green belt and side slope of urban roads or highways and high branch weeding, cutting and irrigation, hedge trimming and the like of gardens, and the whole hedge trimmer comprises a vehicle, trimming accessories, a hydraulic system and a control system, wherein the trimming accessories, the hydraulic system and the control system are arranged on the vehicle. The existing vehicle-mounted hedge trimmer is characterized in that a trimming attachment is arranged in front of a headstock, the trimming attachment comprises an attachment mounting frame, guide rails, a connecting seat, a rotating column and a trimming arm, the attachment mounting frame is fixed at the front of the headstock, two guide rails are horizontally arranged on the attachment mounting frame, the upright rotating column is in sliding connection with the guide rails through the connecting seat, the connecting seat is driven to move along the guide rails, the trimming arm can be driven to move from one end of the guide rails to the other end of the guide rails, and the rotating column is driven to rotate to drive the trimming arm to integrally perform reciprocating 180-degree rotation, so that the position and the direction of the trimming arm are changed, and two-way trimming on two sides of a vehicle is realized; the trimming arm is of a foldable structure, the structure can prevent the trimming arm from influencing normal running in a non-working state, after the trimming arm is folded, the trimming cutter head of the trimming arm is positioned at the forefront end, and the bottom of the trimming cutter head is at a certain height from the ground. The hedge trimmer with the structure cannot run on an open road section of a highway because of a plurality of vehicles on the highway and the high running speed, and the trimming attachment of the hedge trimmer can cause serious potential safety hazards to surrounding vehicles. If the hedge trimmer with the structure is used for trimming the green plants beside the highway, the hedge trimmer needs to be hauled to a specified closed trimming road section by a trailer, and the trimming attachment can interfere with the opening of the inclined tail plate of the hedge trimmer due to the higher body of the trailer and the larger inclination of the inclined tail plate of the trailer, so that the whole hedge trimmer can be lifted and placed on the trailer by using a crane. The mode of hoisting the trailer on the hedge trimmer through the crane has the problems of low efficiency, high cost and high safety risk.
Disclosure of utility model
The utility model aims to provide a hedge trimmer with a lifting function, which can solve the problems of low efficiency, high cost and high safety risk of loading a trailer of the conventional hedge trimmer with a front end provided with a trimming accessory.
In order to solve the problems, the utility model adopts the following technical scheme: the hedge trimmer with the lifting function comprises a trimming attachment arranged in front of a headstock, the trimming attachment comprises an attachment mounting frame, a lifting unit is arranged between the attachment mounting frame and the headstock, the lifting unit comprises a positioning seat, a guide pillar, a guide sleeve and a power cylinder, the positioning seat is fixed on a front frame, the guide pillar is vertically arranged on the positioning seat, the guide sleeve is in sliding connection with the guide pillar, the attachment mounting frame is fixedly connected with the guide sleeve, and two ends of the power cylinder are respectively connected with the guide sleeve and the positioning seat.
In the above technical scheme of hedge trimmer with lifting function, more specific technical scheme can also be: the lifting unit is provided with two groups of symmetrically arranged lifting units, the power cylinders are hydraulic cylinders, and oil inlet and outlet ends of rodless cavity oil ways of the two hydraulic cylinders are respectively communicated with two shunt ports of a hydraulic shunt and flow valve or a hydraulic synchronous valve.
Further, a supporting rib plate for supporting the accessory mounting rack is arranged on the positioning seat.
Further, a connecting rod is arranged between the two guide sleeves, and the guide sleeves are connected with the accessory mounting rack through the connecting rod.
Further, the connecting rod is fixed on the accessory mounting rack, a fixing buckle clamped into the connecting rod is arranged on the guide sleeve, and the fixing buckle and the connecting rod are locked and fixed through a locking connecting piece.
Further, the power cylinder is arranged on the outer sides of the positioning seat and the guide sleeve.
Further, an upper connecting lug is fixed on the upper portion of the guide sleeve, a lower connecting lug is fixed on the lower portion of the positioning seat, and two ends of the power cylinder are respectively connected with the upper connecting lug and the lower connecting lug.
Further, the distance from the bottom end of the guide sleeve to the top end of the guide pillar at the lowest position is larger than the stroke of the power cylinder.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following beneficial effects:
1. The lifting unit is arranged between the headstock of the hedge trimmer and the accessory frame of the trimming accessory, the guide sleeve is pushed upwards along the vertical guide post on the positioning seat by taking the positioning seat fixed on the front frame in the lifting unit as a supporting point of the power cylinder, so that the trimming accessory fixedly connected with the guide sleeve is lifted to a position higher than the ground, the hedge trimmer can directly start to the trailer along the inclined tail plate without interference, the efficiency of loading the front trimming accessory hedge trimmer is improved, and the shipping cost and the safety risk are reduced.
2. The two groups of lifting units are arranged to improve the reliability and stability of lifting, the hydraulic cylinders are used as lifting power, the two hydraulic cylinders are connected with the hydraulic flow distributing and collecting valve or the hydraulic synchronous valve, the two hydraulic cylinders can synchronously act, and the whole set of upper equipment can stably perform lifting movement.
3. The locating seat is provided with a supporting rib plate for supporting the accessory mounting rack, and plays a role in protecting the power cylinder.
4. The guide sleeve is connected into a whole by the connecting rod, is clamped with the buckle fixed on the accessory mounting rack and is locked and fixed by the bolt component, so that the guide sleeve is convenient to assemble, disassemble and replace, stable in structure and stable and synchronous in lifting.
5. The power cylinder is arranged on the outer side, and corresponding connecting lugs are arranged on the guide sleeve and the positioning seat to mount the power cylinder, so that the mounting operation and the overhaul are facilitated; the distance between the guide sleeve and the top end of the guide post is larger than the stroke of the power cylinder when the guide sleeve is in a low position, so that the guide sleeve can be prevented from falling out of the guide post in the lifting process under extreme conditions.
Drawings
Fig. 1 is a schematic view of the structure of the hedge trimmer with lifting function.
Fig. 2 is a schematic view of the structure in the direction A-A in fig. 1.
Reference numerals illustrate: 1. a headstock; 2. a front frame; 3. a lifting unit; 4. trimming the accessory; 5. an accessory mounting rack; 6. a power cylinder; 7. a positioning seat; 8. supporting rib plates; 9. a lower connecting lug; 10. a connecting rod; 11. a guide post; 12. a fixing buckle; 13. guide sleeve; 14. an upper connecting lug; 15. and (3) pruning the arm.
Detailed Description
The utility model is further described in detail below with reference to the examples of the drawings:
The hedge trimmer with lifting function shown in fig. 1 and 2 is provided with a trimming attachment 4 in front of a headstock 1, the trimming attachment 4 comprises an attachment mounting frame 5, and a lifting unit 3 is arranged between the attachment mounting frame 5 and the headstock 1. Two lifting units 3 are symmetrically arranged on one surface of the accessory mounting frame 5 facing the headstock 1, each lifting unit 3 comprises a power cylinder 6, a positioning seat 7, a guide pillar 12 and a guide sleeve 13, wherein the positioning seat 7 is fixed at the front end of the front frame 2, the guide pillar 12 which is vertically arranged is fixed at the top end of the positioning seat 7, the guide pillar 12 is sleeved with the guide sleeve 13 which is in sliding connection with the guide pillar 12, and the guide sleeve 13 is fixedly connected with the accessory mounting frame 5; a power cylinder 6 is vertically arranged beside the guide sleeve 13 and the positioning seat 7, and two ends of the power cylinder 6 are respectively connected with the guide sleeve 13 and the positioning seat 7.
The hedge trimmer of this embodiment has two sets of lifting units 3 that set up symmetrically, and the pneumatic cylinder 6 of each lifting unit 3 all adopts the pneumatic cylinder, in order to improve the reliability of two lifting unit 3 pneumatic cylinder synchronous action, joins in marriage a hydraulic pressure reposition of redundant personnel mass flow valve or hydraulic pressure synchronous valve in the hydraulic system of control pneumatic cylinder again, and the oil inlet and outlet end of the rodless chamber oil circuit of two pneumatic cylinders is with two shunt ports intercommunication of hydraulic pressure reposition of redundant personnel mass flow valve or hydraulic synchronous valve respectively. In other embodiments, other power cylinders such as air cylinders, electric cylinders, etc. may be used.
In order to facilitate connection of the trimming accessory 4 and the lifting unit 3, meanwhile, the stability of synchronous lifting of the double guide sleeves is improved, a connecting rod 10 is horizontally arranged between the two guide sleeves 13, the connecting rod 10 is fixedly welded on the accessory mounting frame 5, fixed buckles 12 are oppositely arranged on the guide sleeves 13, two ends of the connecting rod 10 are respectively clamped into the fixed buckles 12 of the guide sleeves 13, the fixed buckles 12 and the connecting rod 10 are fixedly locked through locking connectors, and the guide sleeves 13 can be fixedly connected with the accessory mounting frame 5 through the connecting rod 10. The locking connection may be a bolt and nut assembly.
The lower part of the positioning seat 7 of each lifting unit 3 is also fixed with a supporting rib plate 8, and the supporting rib plate 8 is perpendicular to the bottom surface of the accessory mounting frame 5 and one surface of the positioning seat 7, which is opposite to the headstock 1. The supporting rib plate 8 is a trapezoid plate, the big bottom end of the trapezoid plate is used for supporting the accessory mounting frame 5, and the small bottom end protrudes downwards from the bottom end of the positioning seat 7. The supporting rib plates 8 of the left positioning seat 7 and the right positioning seat are arranged at the same height, when the piston rod of the power cylinder 6 is retracted and reset, the supporting rib plates 8 are just abutted with the accessory mounting frame 5 to support the trimming accessory 4, and the power cylinder 6 is protected from being damaged by overpressure.
In order to facilitate the disassembly and the maintenance of the power cylinders 6, the power cylinders 6 of the lifting units 3 are arranged on the outer sides of the guide sleeve 13 and the positioning seat 7, an upper connecting lug 14 is fixed on the outer wall of the upper part of the guide sleeve 13, a lower connecting lug 9 is fixed on the outer wall of the lower part of the positioning seat 7, preferably, the fixed positioning seat 7 is used as a bearing piece of the power cylinders 6, the cylinder bodies of the power cylinders 6 are connected with the lower connecting lugs 9 of the positioning seat 7, and the extending ends of piston rods of the power cylinders 6 are connected with the upper connecting lugs 14 of the guide sleeve 13 through connectors. In order to ensure that the guide sleeve 13 cannot fall out of the guide post 11 in the lifting process, a corresponding anti-falling design can be provided, the anti-falling design of the embodiment is to limit the relative distance between the bottom end of the guide sleeve 13 and the top end of the guide post 11 and the stroke of the power cylinder 6, and when the power cylinder 6 is reset to enable the bottom end of the guide sleeve 13 to be at the lowest position, the distance from the bottom end of the guide sleeve 13 to the top end of the guide post 11 should be larger than the stroke of the power cylinder 6. The anti-drop design of other embodiments can be provided with a detachable limit structure at the upper part of the guide post.
When the hedge trimmer with the lifting function needs to be dragged to a specified highway section or other places through a trailer, the guide sleeve 13 connected with the piston rod can be pushed upwards along the guide post 11 only by driving the piston rod of the power cylinder 6 of the lifting unit 3 to extend, so that the trimming attachment 4 can be lifted upwards along with the guide sleeve 13; after the trimming attachment 4 is lifted to a sufficiently high position above the ground, the piston rod of the power cylinder 6 is kept stationary, and the hedge trimmer can be driven directly onto the trailer from the inclined tail plate. Through adjusting the height position of the trimming attachment 4 in front of the hedge trimmer headstock 1, collision between the trimming arm 15 and a mechanism for driving the trimming arm to rotate and the inclined tail plate of the trailer can be avoided, the efficiency of loading the trailer on the hedge trimmer is improved, and the loading cost and the safety risk are reduced.
Claims (8)
1. Hedge trimmer with elevating system, including setting up the pruning accessory before the locomotive, prune the accessory and includes the accessory mounting bracket, its characterized in that: the lifting unit comprises a positioning seat, a guide pillar, a guide sleeve and a power cylinder, wherein the positioning seat is fixed on a front frame, the guide pillar is vertically arranged on the positioning seat, the guide sleeve is in sliding connection with the guide pillar, the attachment mounting frame is fixedly connected with the guide sleeve, and two ends of the power cylinder are respectively connected with the guide sleeve and the positioning seat.
2. Hedge trimmer with lifting mechanism according to claim 1, characterized in that: the lifting unit is provided with two groups of symmetrically arranged lifting units, the power cylinders are hydraulic cylinders, and oil inlet and outlet ends of rodless cavity oil ways of the two hydraulic cylinders are respectively communicated with two shunt ports of a hydraulic shunt and flow valve or a hydraulic synchronous valve.
3. Hedge trimmer with lifting mechanism according to claim 1 or 2, characterized in that: and the positioning seat is provided with a supporting rib plate for supporting the accessory mounting rack.
4. A hedge trimmer with lifting mechanism according to claim 3 wherein: a connecting rod is arranged between the two guide sleeves, and the guide sleeves are connected with the accessory mounting rack through the connecting rod.
5. The hedge trimmer with lifting mechanism of claim 4 wherein: the connecting rod is fixed on the accessory mounting rack, the guide sleeve is provided with a fixing buckle clamped into the connecting rod, and the fixing buckle and the connecting rod are locked and fixed through a locking connecting piece.
6. The hedge trimmer with lifting mechanism of claim 5 wherein: the power cylinder is arranged on the outer sides of the positioning seat and the guide sleeve.
7. The hedge trimmer with lifting mechanism of claim 6 wherein: the upper part of the guide sleeve is fixedly provided with an upper connecting lug, the lower part of the positioning seat is fixedly provided with a lower connecting lug, and two ends of the power cylinder are respectively connected with the upper connecting lug and the lower connecting lug.
8. The hedge trimmer with lifting mechanism of claim 7 wherein: the distance from the bottom end of the guide sleeve to the top end of the guide post at the lowest position is larger than the stroke of the power cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322985599.6U CN221240946U (en) | 2023-11-06 | 2023-11-06 | Hedge trimmer with lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322985599.6U CN221240946U (en) | 2023-11-06 | 2023-11-06 | Hedge trimmer with lifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221240946U true CN221240946U (en) | 2024-07-02 |
Family
ID=91655431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322985599.6U Active CN221240946U (en) | 2023-11-06 | 2023-11-06 | Hedge trimmer with lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221240946U (en) |
-
2023
- 2023-11-06 CN CN202322985599.6U patent/CN221240946U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |