CN203167641U - Manual efficient folding hydraulic pruning device - Google Patents
Manual efficient folding hydraulic pruning device Download PDFInfo
- Publication number
- CN203167641U CN203167641U CN 201220694049 CN201220694049U CN203167641U CN 203167641 U CN203167641 U CN 203167641U CN 201220694049 CN201220694049 CN 201220694049 CN 201220694049 U CN201220694049 U CN 201220694049U CN 203167641 U CN203167641 U CN 203167641U
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- oil
- installation place
- plunger
- folding
- unloader
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Abstract
The utility model discloses a manual efficient folding hydraulic pruning device which comprises a shear head, a folding rod and a manual lever-type hydraulic pump, wherein the shear head is located at the head portion of the manual efficient folding hydraulic pruning device, the manual lever-type hydraulic pump is located at the tail portion of the manual efficient folding hydraulic pruning device, and the folding rod is connected in the middle of the manual efficient folding hydraulic pruning device. The manual efficient folding hydraulic pruning device further comprises a pump body, a fixed handle, a movable handle, a winding-connection rod, a first plunger, a second plunger, an unloading valve, a return spring, an oil plug, an unloading valve operating piece, an unloading handle, an unloading handle installation base, a fixed handle insulation sleeve, a movable handle insulation sleeve, a first one-way valve, a second one-way valve, an oil suction pipe, a rubber oil bag, a vent hole, an oil cylinder, a piston, a piston rod, a piston return spring, a cylinder cover, a supporting rod, a shear, an upper arm, a lower arm, a connecting lock, a high-pressure oil pipe and an oil return pipe. When a folding lock is opened, the upper arm of the folding rod rotates rightwards in the axial direction of a hinge, the shear head is close to one side of the pump body, and folding is achieved. The manual efficient folding hydraulic pruning device is simple in structure, safe, efficient and easy to store and transport.
Description
Technical field
The utility model relates to the hydraulic tool field, relates in particular to a kind of manually efficient folding hydraulic pressure hand-bill.
Background technology
At present, gardens and urban afforestation are generally adopted handsaw and scissors to the pruning of branches of tall trees, need artificial climbing operation, the processing of the branch of especially close high-voltage line has great potential safety hazard to the staff, also have mechanokinetic hydraulic pressure to cut in addition, need many people's operations, inefficiency, be not easy to carry, be difficult to accomplish the requirement of gardens and urban look greening.
The utility model has carried out useful improvement for overcoming above-mentioned shortcoming.
The utility model content
Order of the present utility model ground is to solve above-mentioned deficiency of the prior art, and a kind of manually efficient folding hydraulic pressure hand-bill is provided.
For achieving the above object, the utility model is by the following technical solutions:
A kind of manually efficient folding hydraulic pressure hand-bill, it is characterized in that: comprise scissors bit, folding rod and hand lever formula hydraulic pump, described scissors bit is positioned at head, and hand lever formula hydraulic pump is positioned at afterbody, and the centre is connected by folding rod.
Preferably, described hand lever formula hydraulic pump comprises the pump housing, fixed handle, flexible handle, around connecting rod, plunger (1), plunger (2), unloader, return spring, oil is stifled, the unloader operating parts, relief lever, the relief lever mount pad, the fixed handle insulation sleeve, the flexible handle insulation sleeve, first check valve, second check valve, fuel sucking pipe, rubber oil sac and ventilation hole, the upper end of the described pump housing is respectively arranged with folding rod installation place and high-pressure oil pipe installation place, the lower end of the described pump housing is respectively arranged with spill port, fuel sucking pipe installation place and fixed handle installation place, described fuel sucking pipe installation place is equipped with first check valve and fuel sucking pipe, described fixed handle installation place is equipped with fixed handle, be horizontally installed with second check valve in the oil pipe installing hole of described pump housing upper end, described first check valve and second check valve are communicated with the plunger installation place respectively, described plunger installation place is movably installed with plunger (1) and plunger (2), one end of described plunger (1) is connected with flexible handle by twisted axis, a described end around connecting rod links by twisted axis and flexible handle, the described other end around connecting rod links by twisted axis and the pump housing, described cross through hole place above the plunger installation place is provided with the unloader installation place, described unloader is slidingly fitted with unloader and return spring in the installation place, the conical surface of described unloader cuts off pressure duct with the oil return pipe place of connection, the described support that stretches out a side of the pump housing at unloader is movably installed with the unloader operating parts, be set with the rubber oil sac in the described fixed handle, the outer wall of described fixed handle is provided with the ventilation hole that uses into the rubber oil sac, the below of described fixed handle and flexible handle is separately installed with fixed handle insulation sleeve and flexible handle insulation sleeve, the top of described fixed handle insulation sleeve is equipped with the relief lever mount pad, the cross through hole place of described relief lever mount pad is movably installed with relief lever, and described relief lever and unloader operating parts flexibly connect.
Preferably, described scissors bit comprises oil cylinder, piston, piston rod, piston return spring, cylinder cap, pole and scissors, the below of described oil cylinder is provided with folding rod installation place and high-pressure oil pipe installation place, be slidingly fitted with piston and piston rod in the described oil cylinder, the top of described oil cylinder is equipped with cylinder cap, between described inboard wall of cylinder cover and the piston rod piston return spring is installed, the top of described cylinder cap is provided with two support arms, the inboard of described support arm top through hole is by twisted axis and two scissors hinge joints that heteropleural is installed, one end of described piston rod is by the end hinge joint of twisted axis and two poles, and the other end of described two poles is by another through hole hinge joint of twisted axis and two scissors.
Preferably, described folding rod comprises upper arm, underarm and high-pressure oil pipe, be provided with folding loose-leaf between described upper arm and the underarm and be connected lock, described upper arm and underarm are tubing, the upper end of described upper arm is installed on the folding rod installation place of oil cylinder, the lower end of described underarm is installed on the folding rod installation place of the pump housing, and described high-pressure oil pipe passes from upper arm and underarm inside, and install with the high-pressure oil pipe installation place of oil cylinder and the high-pressure oil pipe installation place sealing of the pump housing respectively at the two ends of described high-pressure oil pipe.
Preferably, describedly flexible handle is driven plunger (1) outwards pull out, the inner vacuum that forms in described plunger installation place, described first check valve is opened pressurized hydraulic oil is finished oil suction by fuel sucking pipe suction inside, plunger installation place from the rubber oil sac, it is described when flexible handle is inwardly compressed, the hydraulic oil of described plunger installation place makes second one-way valve opens make hydraulic oil flow to the oil cylinder bottom by high-pressure oil pipe pressurized, described hydraulic oil promotes piston and drives piston rod, pole and scissors travel forward, describedly scissors can be merged by the continuous operation to flexible handle, realize shearing, the described relief lever of moving drives the unloader operating parts, the described lotus valve operating parts promotion unloader that makes inwardly slides, the described conical surface that makes unloader is opened pressure duct is communicated with oil return pipe, the described thrust of utilizing piston return spring makes piston promote the conical surface of hydraulic oil by the high-pressure oil pipe unloader and oppositely flows into oil return pipe and enter the rubber oil sac, scissors is opened, described object as easy segment, described flexible handle can being pulled out on a large scale, describedly make plunger (1) drive plunger (2) to pull out to make and absorb more hydraulic oil in the plunger installing hole, described flexible handle is inwardly pushed accelerated the oil mass that flows to the oil cylinder bottom, realizes THE ADIABATIC SHEAR IN.
Preferably, described when folding rod connection lock is opened, described upper arm is rotated down along hinge axis finished folding to being close to the pump housing.
In addition, folding rod can be for two joints or more than two joints, increase the joint number of folding rod and the lengthening of oil pipe, can regulate shear height, there are relief lever, fixed handle insulation sleeve and flexible handle insulation sleeve to be anti-high voltage insulating materials again, the rubber oil sac is the flexible glue material, will become flat when hydraulic oil siphons away.
The beneficial effects of the utility model: because hydraulic hand-pump has adopted the setting of plunger (1) and plunger (2); suitable situation can be taked different shear rates; realize efficient the shearing; adopted the setting of folding rod; can easily it be folded and carry or deposit; also because relief lever, fixed handle and flexible handle have adopted anti-high voltage insulating materials, the staff who prunes near the branches of tall trees of high-voltage line is played a protective role.
Description of drawings
Fig. 1 is the folding stereogram of the utility model structure;
Fig. 2 is the utility model structure hydraulic hand-pump right view;
Fig. 3 is the utility model structure hand-hydraulic pump plunger profile;
Fig. 4 is the utility model structure hydraulic hand-pump rearview;
Fig. 5 is the utility model structure hydraulic hand-pump unloader profile;
Fig. 6 is the utility model structure scissors bit front view;
Fig. 7 is the utility model structure scissors bit profile;
Fig. 8 is the utility model structure cylinder cap stereogram;
Fig. 9 the utility model structure pump housing stereogram;
Reference numeral: 1, the pump housing; 2, fixed handle; 3, flexible handle; 4, around connecting rod; 5, plunger (1); 6, plunger (2); 7, unloader; 8, return spring; 9, oil is stifled; 10, unloader operating parts; 11, relief lever; 12, relief lever mount pad; 13, fixed handle insulation sleeve; 14, flexible handle insulation sleeve; 15, first check valve; 16, second check valve; 17 fuel sucking pipes; 18, rubber oil sac; 19, ventilation hole; 20, oil cylinder; 21, piston; 22, piston rod; 23, piston return spring; 24, cylinder cap; 25, pole; 26, scissors; 27, upper arm; 28, underarm; 29, oil pipe; 30, connect lock; 31, oil return pipe; 32, folding rod installation place; 33, high-pressure oil pipe installation place.
Embodiment
Be further described below in conjunction with accompanying drawing and the utility model of embodiment.
The utility model embodiment manually the folding hydraulic pressure structure of cutting with reference to figure 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and shown in Figure 9, a kind of manually efficient folding hydraulic pressure hand-bill, it is characterized in that: comprise scissors bit, folding rod and hand lever formula hydraulic pump, described scissors bit is positioned at head, hand lever formula hydraulic pump is positioned at afterbody, and is middle by the folding rod connection.
Hand lever formula hydraulic pump is with reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, comprise the pump housing 1, fixed handle 2, flexible handle 3, around connecting rod 4, plunger (1) 5, plunger (2) 6, unloader 7, return spring 8, oil stifled 9, unloader operating parts 10, relief lever 11, relief lever mount pad 12, fixed handle insulation sleeve 13, flexible handle insulation sleeve 14, first check valve 15, second check valve 16, fuel sucking pipe 17, rubber oil sac 18 and ventilation hole 19, the upper end of the described pump housing 1 is respectively arranged with folding rod installation place 32 and high-pressure oil pipe installation place 33, the lower end of the described pump housing 1 is respectively arranged with spill port 31, fuel sucking pipe installation place and fixed handle installation place, described fuel sucking pipe installation place is equipped with first check valve 15 and fuel sucking pipe 17, the fixed handle 2 that is equipped with of living in, be horizontally installed with second check valve 6 in the oil pipe installing hole of the described pump housing 1 upper end, described first check valve and second check valve are communicated with the plunger installation place respectively, described plunger installation place is movably installed with plunger (1) 5 and plunger (2) 6, one end of described plunger (1) 5 is by twisted axis and flexible handle 3 hinge joints, a described end around connecting rod 4 links by twisted axis and flexible handle 3, the described other end around connecting rod 4 links by twisted axis and the pump housing 1, described cross through hole place above the plunger installation place is provided with the unloader installation place, be slidingly fitted with unloader 7 and return spring 8 in the described unloader installation place, the conical surface of described unloader 7 cuts off pressure duct with the oil return pipe place of connection, the described support that stretches out a side of the pump housing at unloader 7 is movably installed with unloader operating parts 10, be set with rubber oil sac 18 in the described fixed handle 2, the outer wall of described fixed handle 2 is provided with the ventilation hole 19 that uses into rubber oil sac 18, the below of described fixed handle 2 and flexible handle 3 is separately installed with fixed handle insulation sleeve 13 and flexible handle insulation sleeve 14, the top of described fixed handle insulation sleeve 13 is equipped with relief lever mount pad 12, the through hole of described relief lever mount pad 12 is movably installed with relief lever 11, and described relief lever 11 flexibly connects with relief lever connector 10.
Scissors bit is referring to Fig. 1, Fig. 6 and Fig. 7, comprise oil cylinder 20, piston 21, piston rod 22, piston return spring 23, cylinder cap 24, pole 25 and scissors 26, the below of described oil cylinder 20 is provided with folding rod installation place 32 and high-pressure oil pipe installation place 33, be slidingly fitted with piston 21 and piston rod 22 in the described oil cylinder, the top of described oil cylinder 20 is equipped with cylinder cap 24, between described cylinder cap 24 inwalls and the piston rod 22 piston return spring 23 is installed, the top of described cylinder cap 24 is provided with support arm, the inboard of described support arm top through hole is by twisted axis and two scissors 26 hinge joints that heteropleural is installed, one end of described piston rod 22 is by the end hinge joint of twisted axis and two poles 25, and the other end of described two poles 25 is by another through hole hinge joint of twisted axis and two scissors 26.
Folding rod is with reference to Fig. 1, comprise upper arm 27, underarm 28 and high-pressure oil pipe 29, be provided with folding loose-leaf between described upper arm 27 and the underarm 28 and be connected lock 30, described upper arm and underarm are tubing, the upper end of described upper arm 27 is installed on the folding rod installation place 32 of oil cylinder, the lower end of described underarm 28 is installed on the folding rod installation place 32 of the pump housing, described high-pressure oil pipe 29 passes from upper arm and underarm inside, and install with the high-pressure oil pipe installation place 33 of oil cylinder and high-pressure oil pipe installation place 33 sealings of the pump housing respectively at the two ends of described high-pressure oil pipe 29.
The shearing manipulation step, flexible handle 3 is driven plunger (1) 5 outwards pulls out, the inner vacuum that forms in described plunger installation place, described first check valve 15 is opened pressurized hydraulic oil is finished oil suction by fuel sucking pipe 17 suction inside, plunger installation place from rubber oil sac 18, it is described when flexible handle 3 is inwardly compressed, the hydraulic oil of described plunger installation place is opened second check valve 16 pressurized to make hydraulic oil flow to oil cylinder 20 bottoms by high-pressure oil pipe 29, described hydraulic oil promotes piston 21 and drives piston rod 22, pole 25 and scissors 26 travel forward, describedly scissors can be merged by the continuous operation to flexible handle 3, realize shearing, the described relief lever 11 of moving drives unloader operating parts 10, the described lotus valve operating parts 10 promotion unloaders 7 that make inwardly slide, the described conical surface that makes unloader 7 is opened pressure duct is communicated with oil return pipe 31, the described thrust of utilizing piston return spring 23 makes piston 21 promote the conical surface of hydraulic oil by high-pressure oil pipe 29 unloaders 7 and oppositely flows into oil return pipe 31 and enter rubber oil sac 18, the described scissors that makes opens, described object as easy segment, described flexible handle 3 can being pulled out on a large scale, describedly make plunger (1) 5 drive plunger (2) 6 to pull out to make and absorb more hydraulic oil in the plunger installing hole, described flexible handle is inwardly pushed accelerated the oil mass that flows to oil cylinder 20 bottoms, realizes THE ADIABATIC SHEAR IN.
Folding operation connects lock with folding rod and opens referring to Fig. 1, and described upper arm is rotated down along hinge axis finished folding to being close to the pump housing.
The above embodiment has only been expressed a kind of embodiment of the present utility model, but can not therefore be interpreted as the restriction to the utility model scope.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (6)
1. one kind manually efficiently folds the hydraulic pressure hand-bill, and it is characterized in that: comprise scissors bit, folding rod and hand lever formula hydraulic pump, described scissors bit is positioned at head, and hand lever formula hydraulic pump is positioned at afterbody, and is middle by the folding rod connection.
2. a kind of manually efficient folding hydraulic pressure hand-bill according to claim 1, it is characterized in that: described hand lever formula hydraulic pump comprises the pump housing, fixed handle, flexible handle, around connecting rod, plunger (1), plunger (2), unloader, return spring, oil is stifled, the unloader operating parts, relief lever, the relief lever mount pad, the fixed handle insulation sleeve, the flexible handle insulation sleeve, first check valve, second check valve, fuel sucking pipe, rubber oil sac and ventilation hole, the upper end of the described pump housing is respectively arranged with folding rod installation place and high-pressure oil pipe installation place, the lower end of the described pump housing is respectively arranged with oil return pipe, fuel sucking pipe installation place and fixed handle installation place, described fuel sucking pipe installation place is equipped with first check valve and fuel sucking pipe, described fixed handle installation place is equipped with fixed handle, be horizontally installed with second check valve in the oil pipe installing hole of described pump housing upper end, described first check valve and second check valve are communicated with the plunger installation place respectively, described plunger installation place is movably installed with plunger (1) and plunger (2), one end of described plunger (1) is by twisted axis and flexible handle hinge joint, a described end around connecting rod links by twisted axis and flexible handle, the described other end around connecting rod links by twisted axis and the pump housing, described cross through hole place above the plunger installation place is provided with the unloader installation place, described unloader is slidingly fitted with unloader and return spring in the installation place, the conical surface of described unloader cuts off pressure duct with the oil return pipe place of connection, the described support that stretches out a side of the pump housing at unloader is movably installed with the unloader operating parts, be set with the rubber oil sac in the described fixed handle, the outer wall of described fixed handle is provided with the ventilation hole that uses into the rubber oil sac, the below of described fixed handle and flexible handle is separately installed with fixed handle insulation sleeve and flexible handle insulation sleeve, the top of described fixed handle insulation sleeve is equipped with the relief lever mount pad, the cross through hole place of described relief lever mount pad is movably installed with relief lever, and described relief lever and unloader operating parts flexibly connect.
3. a kind of manually efficient folding hydraulic pressure hand-bill according to claim 1, it is characterized in that: described scissors bit comprises oil cylinder, piston, piston rod, piston return spring, cylinder cap, pole and scissors, the below of described oil cylinder is provided with folding rod installation place and high-pressure oil pipe installation place, be slidingly fitted with piston and piston rod in the described oil cylinder, the top of described oil cylinder is equipped with cylinder cap, between described inboard wall of cylinder cover and the piston rod piston return spring is installed, the top of described cylinder cap is provided with two support arms, the through hole of described two support arms top is by twisted axis and two scissors hinge joints that heteropleural is installed, one end of described piston rod is by the end hinge joint of twisted axis and two poles, and the other end of described two poles is by another through hole hinge joint of twisted axis and two scissors.
4. a kind of manually efficient folding hydraulic pressure hand-bill according to claim 1, it is characterized in that: described folding rod comprises upper arm, underarm and high-pressure oil pipe, be provided with folding loose-leaf between described upper arm and the underarm and be connected lock, described upper arm and underarm are tubing, the upper end of described upper arm is installed on the folding rod installation place of oil cylinder, the lower end of described underarm is installed on the folding rod installation place of the pump housing, described high-pressure oil pipe passes from upper arm and underarm inside, and install with the high-pressure oil pipe installation place of oil cylinder and the high-pressure oil pipe installation place sealing of the pump housing respectively at the two ends of described high-pressure oil pipe.
5. according to claim 1 or 2 or 3 or 4 described a kind of manually efficient folding hydraulic pressure hand-bills, it is characterized in that: describedly flexible handle is driven plunger (1) outwards pull out, the inner vacuum that forms in described plunger installation place, described first check valve is opened pressurized hydraulic oil is finished oil suction by fuel sucking pipe suction inside, plunger installation place from the rubber oil sac, it is described when flexible handle is inwardly compressed, the hydraulic oil of described plunger installation place makes second one-way valve opens make hydraulic oil flow to the oil cylinder bottom by high-pressure oil pipe pressurized, described hydraulic oil promotes piston and drives piston rod, pole and scissors travel forward, describedly scissors can be merged by the continuous operation to flexible handle, realize shearing, the described relief lever of moving drives the unloader operating parts, the described lotus valve operating parts promotion unloader that makes inwardly slides, the described conical surface that makes unloader is opened pressure duct is communicated with oil return pipe, the described thrust of piston return spring of utilizing makes piston promotion hydraulic oil pass through high-pressure oil pipe, the conical surface of unloader oppositely flows into oil return pipe and enters the rubber oil sac, scissors is opened, described object as easy segment, described flexible handle can being pulled out on a large scale, describedly make plunger (1) drive plunger (2) to pull out to make and absorb more hydraulic oil in the plunger installing hole, described flexible handle is inwardly pushed accelerated the oil mass that flows to the hydraulic cylinder bottom, realizes THE ADIABATIC SHEAR IN.
6. according to claim 1 or 4 described a kind of manually efficient folding hydraulic pressure hand-bills, it is characterized in that: described when folding rod connection lock is opened, described upper arm is rotated down along hinge axis finished folding to being close to the pump housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220694049 CN203167641U (en) | 2012-12-17 | 2012-12-17 | Manual efficient folding hydraulic pruning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220694049 CN203167641U (en) | 2012-12-17 | 2012-12-17 | Manual efficient folding hydraulic pruning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203167641U true CN203167641U (en) | 2013-09-04 |
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ID=49064412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220694049 Expired - Fee Related CN203167641U (en) | 2012-12-17 | 2012-12-17 | Manual efficient folding hydraulic pruning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203167641U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105772603A (en) * | 2016-03-16 | 2016-07-20 | 国网山东省电力公司夏津县供电公司 | Hydraulic wire clippers |
| CN106216761A (en) * | 2016-09-14 | 2016-12-14 | 黄绍华 | A kind of hydraulic shear |
| CN109496836A (en) * | 2019-01-27 | 2019-03-22 | 甘肃农业大学 | A kind of potato cross breeding method and tool |
| CN111093359A (en) * | 2017-09-27 | 2020-05-01 | 胡斯华纳有限公司 | Rod pruner |
| CN112237105A (en) * | 2019-07-18 | 2021-01-19 | 株式会社牧田 | Electric working machine |
-
2012
- 2012-12-17 CN CN 201220694049 patent/CN203167641U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105772603A (en) * | 2016-03-16 | 2016-07-20 | 国网山东省电力公司夏津县供电公司 | Hydraulic wire clippers |
| CN106216761A (en) * | 2016-09-14 | 2016-12-14 | 黄绍华 | A kind of hydraulic shear |
| CN111093359A (en) * | 2017-09-27 | 2020-05-01 | 胡斯华纳有限公司 | Rod pruner |
| CN111093359B (en) * | 2017-09-27 | 2020-10-02 | 胡斯华纳有限公司 | Rod pruner |
| CN109496836A (en) * | 2019-01-27 | 2019-03-22 | 甘肃农业大学 | A kind of potato cross breeding method and tool |
| CN112237105A (en) * | 2019-07-18 | 2021-01-19 | 株式会社牧田 | Electric working machine |
| US11723314B2 (en) | 2019-07-18 | 2023-08-15 | Makita Corporation | Electric working machine |
| CN112237105B (en) * | 2019-07-18 | 2023-12-22 | 株式会社牧田 | Electric working machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20151217 |
|
| EXPY | Termination of patent right or utility model |