CN203985334U - Lumbering dress wood fortune wood unloads wooden all-in-one - Google Patents
Lumbering dress wood fortune wood unloads wooden all-in-one Download PDFInfo
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- CN203985334U CN203985334U CN201420447174.8U CN201420447174U CN203985334U CN 203985334 U CN203985334 U CN 203985334U CN 201420447174 U CN201420447174 U CN 201420447174U CN 203985334 U CN203985334 U CN 203985334U
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- wooden
- wood
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Abstract
The utility model discloses a kind of lumbering dress wood fortune wood and unload wooden all-in-one, its collection wood one end, compartment and underframe are hinged, and the other end and balanced hydraulic device are hinged, and the balanced hydraulic device other end and underframe are hinged; Collecting wooden compartment is that device for revolving and driving is housed, and device for revolving and driving is connected with principal arm, and principal arm and middle arm are hinged, and middle arm and auxiliary are hinged, and auxiliary is connected with feller; Between auxiliary and middle arm, auxiliary hydraulic means is installed, middle arm hydraulic means is installed between middle arm and principal arm, the two ends of middle arm and auxiliary are separately installed with roller, collect two winchs are installed on wooden compartment, wherein the steel wire penetrating of a winch is unloaded and is walked around connecting shackle after four rolling after wooden steel wire rope twelve punch y, and the steel wire rope end head of another winch can be connected to the fixed pivot of other setting; Underframe below is provided with four wheels.The utility model collection lumbering, dress wood, fortune wood, unload carpentery workshop industry four procedure one, under multiple adverse circumstances, lumber, fill wood, fortune wood and unload wooden action need to meet.
Description
Technical field
The utility model relates to forexry mechanization equipment, and specifically a kind of lumbering dress wood fortune wood unloads wooden all-in-one.
Background technology
In lumbering industry, lumbering, fill wood, fortune wood, unloading carpentery workshop industry is all that operation break-down completes one by one at present, and one-stop operation can only complete the work of single project.Operation is many, and hired equipment is many, and labor intensive is many, and inefficiency and safety coefficient are low.
Utility model content
Technical problem to be solved in the utility model is to provide and a kind ofly collects lumbering, dress wood, fortune wood, unloads the mechanized equipment of carpentery workshop industry four procedure one, lumbers, fills wood, fortune wood and unload wooden operational requirements to meet under multiple adverse circumstances.
The utility model solves the problems of the technologies described above with following technical scheme:
The utility model lumbering dress wood fortune wood unloads wooden all-in-one, comprise feller 1, collect wooden compartment 8, underframe 9, the bottom, one end that collects wooden compartment 8 is hinged with underframe 9, and one end of the other end and balanced hydraulic device 10 is hinged, and the other end of balanced hydraulic device 10 and underframe 9 are hinged; Collect the hinged top, one end of wooden compartment 8 and underframe 9 device for revolving and driving 7 is installed, the rotating part of device for revolving and driving 7 is fixedly connected with the bottom of principal arm 6, the top of principal arm 6 and middle arm 4 are hinged, and the other end of middle arm 4 and auxiliary 2 are hinged, and auxiliary 2 other ends are connected with feller 1 bolt; Between the middle part of the middle part of auxiliary 2 and middle arm 4, by articulated manner, auxiliary hydraulic means 3 is installed, between the bottom of the middle part of middle arm 4 and principal arm 6, by articulated manner, middle arm hydraulic means 5 is installed, the two ends of the two ends of middle arm 4 and auxiliary 2 are separately installed with roller, and device for revolving and driving 7 is provided with the wooden steel wire rope twelve punch y B0 that unloads passing from bottom to top for steel wire rope; The below of device for revolving and driving 7 is provided with two winchs that are arranged on the wooden compartment 8 of collection, the steel wire penetrating that wherein winch is drawn is unloaded connecting shackle after the roller of walking around successively middle arm 4 and auxiliary 2 after wooden steel wire rope twelve punch y B0, and the steel wire rope end head that another winch is drawn can be connected to the fixed pivot of other setting; The below of underframe 9 is provided with four wheels 12.
The utility model lumbering dress wood fortune wood unloads wooden all-in-one, each wheel 12 is fixedly connected with the plane of rotation of a walk motor with hydraulic pressure 13 respectively, the stationary face of four walk motor with hydraulic pressures 13 is all fixed on underframe 9, by controlling four walk motor with hydraulic pressures, can realize the mobility operation that wheel work front and back or low-angle turn to.
The utility model lumbering dress wood fortune wood unloads wooden all-in-one, can also reequip following structure: below underframe 9, be provided with hydraulic support device 11, four wheels position is fixed with the extended type steering base 20 stretching out laterally, four wheels 12 is fixedly connected with the plane of rotation of walk motor with hydraulic pressure 13 respectively, the stationary face of walk motor with hydraulic pressure 13 is fixedly connected with connector 22, the other end of connector 22 and extended type steering base 20 are hinged, between the middle part of connector 22 and underframe 9, by articulated manner, hydraulic steering 21 is installed, by controlling the contractive action of hydraulic steering 21, can realize the vertical cross running of wheel.
The utility model lumbering dress wood fortune wood unloads wooden all-in-one, collect well word bearing bracket stand 15 is installed on wooden compartment 8, the longitudinal rotating shaft that well word bearing bracket stand 15 is arranged by two parallel longitudinals and the transverse rotation axle of two horizontal parallel arrangements form, two longitudinal rotating shafts and two transverse rotation axles are arranged on well word bearing bracket stand body and are staggered and arrange by bearing respectively, on the axle head of four rotating shafts, are fixed with cover plate 24 respectively by screw 23; The steel wire penetrating being connected with the fixed pivot of other setting is by two longitudinal rotating shafts and two square holes that transverse rotation axle surrounds, to protect steel wire rope.
The utility model lumbering dress wood fortune wood unloads wooden all-in-one, collect engine 16, hydraulic pump 17, banked direction control valves 18 and control device of wireless 19 are installed on wooden compartment 9, the output connecting fluid press pump 17 of engine 16, hydraulic pump 17 connects banked direction control valves 18, banked direction control valves 18 is connected the fuel feeding of realizing wireless remote control control banked direction control valves 18 with control device of wireless 19, banked direction control valves 18 connects auxiliary hydraulic means 3, middle arm hydraulic means 5, device for revolving and driving 7, two winchs, balanced hydraulic device 10 and walk motor with hydraulic pressures 13 through high-pressure oil pipe.
The utlity model has following beneficial effect:
1. the utility model is that the mechanized equipment that wood is combined as a whole is lumbered, loaded, transports, unloads to collection, realizes the operation of high abrupt slope by the traction of the moving machine body weight heart and winch; Select walk motor with hydraulic pressure to accomplish 4 wheel driven interlock, 0 °-90 ° of transfer monomers, disjunctor turn to and impel body to be movably walking flexibly, mobility strong; The All Jobs action of equipment is all that wireless remote control is realized, and safety coefficient is high.
2. adopt well word bearing bracket stand, can greatly reduce the wearing and tearing, off-line, card line etc. of steel wire rope to reach the life-span that extends steel wire rope, safety coefficient promotes greatly.
3. prop by hydraulic cylinder the displacement of center of gravity that body reaches when the abrupt slope and make body keep balance, be unlikely to the adverse effect that body overturns.
4. by the pulling force traction of winch, body can not overturned on very steep slope in normal operation.
5. by the setting of extended type steering base and hydraulic steering, can realize the transverse and longitudinal walking of animal economy.
6. the effect by rocking arm by winch, realizes and unloads carpenter's order.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model lumbering dress wood fortune wood unloads wooden all-in-one.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 is the left side schematic view of Fig. 1.
Fig. 4 is the structural representation of well word bearing bracket stand 15 in Fig. 1.
Fig. 4-1st, B-B of Fig. 4 is to cutaway view.
Fig. 4-2nd, A-A of Fig. 4 is to cutaway view.
Fig. 5 is that schematic diagram is looked on the right side of Fig. 1.
Fig. 6 is that Fig. 1 is equipped with the upward view after extended type steering base.
Fig. 7 is that the side of Fig. 1 is bowed to schematic diagram.
In figure: 1-feller, 2-auxiliary, 3-auxiliary hydraulic means, arm in 4-, arm hydraulic means in 5-, 6-principal arm, 7-device for revolving and driving, 8-collection wood compartment, 9-underframe, 10-balanced hydraulic device, 11-hydraulic support device, 12-wheel, 13-walk motor with hydraulic pressure, 14A-winch, 14B-winch, 15-well word bearing bracket stand, 16-engine, 17-hydraulic pump, 18-banked direction control valves, 19-control device of wireless, 20-extended type steering base, 21-hydraulic steering, 22-connector, 23-screw, 24 cover plates, A-longitudinal rotating shaft, B-transverse rotation axle, C-transverse rotation axle bearing, D-longitudinal rotating shaft bearing, B1-roller, B2-roller, B3-roller, B4-roller, B0-unloads wooden steel wire rope twelve punch y.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, the utility model lumbering dress wood fortune wood unloads wooden all-in-one and comprises feller 1, collects wooden compartment 8, underframe 9, the bottom, one end that collects wooden compartment 8 is hinged with underframe 9, and one end of the other end and balanced hydraulic device 10 is hinged, and the other end of balanced hydraulic device 10 and underframe 9 are hinged; Collect the hinged top, one end of wooden compartment 8 and underframe 9 device for revolving and driving 7 is installed, the rotating part of device for revolving and driving 7 is fixedly connected with the bottom of principal arm 6, the top of principal arm 6 and middle arm 4 are hinged, the other end of middle arm 4 and auxiliary 2 are hinged, and auxiliary 2 other ends are formed and are connected by bolt with feller 1; The two ends of auxiliary hydraulic means 3 form hinged with the middle part of auxiliary 2 and the middle part of middle arm 4 respectively; The two ends of middle arm hydraulic means 5 form hinged with the middle part of middle arm 4 and the bottom of principal arm 6 respectively; The two ends of middle arm 4 are separately installed with roller B1 and roller B2, and the two ends of auxiliary 2 are separately installed with roller B3 and roller B4, and device for revolving and driving 7 is provided with the wooden steel wire rope twelve punch y B0 that unloads passing from bottom to top for steel wire rope, as shown in Figure 7; The below of device for revolving and driving 7 is provided with two the winch 14A and the winch 14B that are arranged on the wooden compartment 8 of collection, as shown in Figure 3, the steel wire penetrating that wherein winch 14B draws is connected to suspension hook after unloading and walking around successively the roller B1 of middle arm 4 and the roller B3 of roller B2 and auxiliary 2 and roller B4 after wooden steel wire rope twelve punch y B0, the batten that can sling in the wooden compartment of collection by suspension hook, the steel wire rope end head that another winch 14A draws can be connected to the fixed pivot of other setting, as larger timber, realize the power of borrowing traction; The below of underframe 9 is provided with four wheels 12, each wheel 12 is fixedly connected with the plane of rotation of a walk motor with hydraulic pressure 13 respectively, the stationary face of four walk motor with hydraulic pressures 13 is all fixed on underframe 9, as shown in Figure 2, by controlling the rotating of four walk motor with hydraulic pressures 13, can realize wheel and make the mobility operation of front and back, or by controlling four rotating speeds that walk motor with hydraulic pressure is different, also can realize the mobility operation that low-angle turns to.
The utility model lumbering dress wood fortune wood unloads wooden all-in-one can also realize the vertical cross running of wheel 12, as shown in Figure 6, below underframe 9, be provided with hydraulic support device 11, hydraulic support device 11 is fixedly connected with underframe 9 bolts, four wheels position is bolted the extended type steering base 20 stretching out laterally, four wheels 12 is fixedly connected with the plane of rotation of walk motor with hydraulic pressure 13 respectively, the stationary face of walk motor with hydraulic pressure 13 is fixedly connected with connector 22, the other end of connector 22 and extended type steering base 20 are hinged, between the middle part of connector 22 and underframe 9, by articulated manner, hydraulic steering 21 is installed.
When needs the utility model lumbering dress wood fortune wood unloads wooden all-in-one in the time that operation area, forest land energy transverse and longitudinal travels, propping underframe 9 by hydraulic support device 11 makes wheel 12 unsettled, wheel 12 is unloaded, extended type steering base 20 is fixedly connected with underframe 9 bolts, steering hydraulic device 21 afterbodys are fixedly connected with underframe 9 bolts, steering hydraulic device 21 heads and connector 22 are hinged, and walk motor with hydraulic pressure 13 and wheel 12 are installed in one end of connector 22, and the other end and steering hydraulic device 21 are hinged.Realizing 0 °～90 °, wheel by remote control control steering hydraulic device 21 flexible turns to reach transverse and longitudinal and travels.
The utility model lumbering dress wood fortune wood unloads wooden all-in-one, as Fig. 3, Fig. 4, shown in Fig. 4-1 and Fig. 4-2, collect well word bearing bracket stand 15 is installed on wooden compartment 8, the transverse rotation axle B of the longitudinal rotating shaft A that well word bearing bracket stand 15 is arranged by two parallel longitudinals and two horizontal parallel arrangements forms, two longitudinal rotating shaft A and two transverse rotation axle B are arranged on well word bearing bracket stand 15 bodies and are staggered and arrange by longitudinal rotating shaft bearings D and transverse rotation axle bearing C respectively, on the axle head of four rotating shafts, be fixed with by screw 23 cover plate 24 being connected with well word bearing bracket stand 15 bodies respectively, after the square hole that the steel wire penetrating of being drawn by winch 14A is surrounded by two longitudinal rotating shaft A and two transverse rotation axle B, be connected and fixed again fulcrum, thereby can protect steel wire rope.
Well word bearing bracket stand 15 described in the utility model, its longitudinal rotating shaft A, transverse rotation axle B all can rotate relative to the free circumference of its cylindrical center's line on its position, the position, left and right of longitudinal rotating shaft A restriction steel wire rope, the upper-lower position of transverse rotation axle B restriction steel wire rope, the position of limiting steel wire rope by the dislocation of transverse rotation axle, longitudinal rotating shaft reaches guidance quality effect, thereby reaches the not de-groove of steel wire rope, draw-in groove texts.
The utility model lumbering dress wood fortune wood unloads wooden all-in-one, collect engine 16, hydraulic pump 17, banked direction control valves 18 and control device of wireless 19 are installed on wooden compartment 9, as shown in Figure 5, the output connecting fluid press pump 17 of engine 16, hydraulic pump 17 connects banked direction control valves 18, banked direction control valves 18 is connected the fuel feeding of realizing wireless remote control control banked direction control valves 18 with control device of wireless 19, banked direction control valves 18 connects auxiliary hydraulic means 3, middle arm hydraulic means 5, device for revolving and driving 7, two winchs, balanced hydraulic device 10 and walk motor with hydraulic pressures 13 through high-pressure oil pipe.
Drive hydraulic pump 17 by engine 16, make hydraulic pump 17 fuel feeding, then draw oil to above-mentioned hydraulic test by banked direction control valves 18 use high-pressure oil pipes, the fuel delivery of controlling banked direction control valves 18 by control device of wireless 19 is realized above-mentioned hydraulic pressure driving is set.As by driving auxiliary hydraulic means 3 and middle arm hydraulic means 5, make middle arm 4 and auxiliary 2 drive feller 1 to seesaw up and down, thereby realize feller 1 operation in radius is the semi-round ball space of 5-6 rice.
Prop the wooden compartment 8 of collection by remote control control balanced hydraulic device 10 and adjust the balance that collects wooden compartment 8.For example: in the time of the gradient of 20 degree, balanced hydraulic device 10 is propped collection wooden compartment 8 afterbodys and made to collect wooden compartment 8 and form 20 degree angles with underframe 9, collects wooden compartment 8 maintenance levels, not reach by propping the center of gravity migration in the wooden compartment of collection.
Travel operation on abrupt slope time, by the longitudinal rotating shaft A of steel wire penetrating well word bearing bracket stand 15 that winch 14A (winch is type hydraulic actuator) is drawn and the square hole that transverse rotation axle B surrounds, lead again slope and push up that to do stake with large wood fixing, fixing head of steel wire rope.By winch 14A furl steel wire rope pull fuselage go up a slope, realize on abrupt slope pond travel do not overturn, non-slip.
While unloading wood, winch 14B fixes with the wooden compartment of collection 8 bolts, winch 14B is fixed on the wooden compartment of collection 8 base plates, draw steel wire penetrating from winch 14B and unload wooden steel wire rope twelve punch y B0, again successively by roller B1, roll B2 wheel, roller B3, roller B4, head of steel wire rope connects a suspension hook, and by winch, 14B loosens, tighten steel wire rope, and suspension hook is moved up and down.Secondly, before filling wood, put steel wire rope well in collection 8 bottoms, wooden compartment, collection both sides, wooden compartment are shown at two, wait to lumber complete, and the steel wire rope at two is suspended on suspension hook, move upward by suspension hook, wood is taken out from collect wooden compartment 8, then by arm 4, auxiliary 2, device for revolving and driving 7 in controlling, timber is adjusted and delivered to the place of placing timber, realize and unload carpenter's order.
By using the utility model device, can solve following technical problem:
1. solve abrupt slope lumbering:
1) draw steel wire rope in Po Ding position by portable small winch and pull steel wire rope of windlass to slope to push up, select large wood to fix, winch affects realizes abrupt slope on loom, can ensure the loom adverse effect such as landslide of not overturning afterwards in lumbering work.
2) prop the wooden compartment 8 of collection by balanced hydraulic device 11, reach organism balance with the position of centre of gravity changing when the abrupt slope.
2. solve steel cable slot disengaging, draw-in groove, wearing and tearing etc. and affect rope service-life:
1) position that misplaces to limit steel wire rope by transverse rotation axle, longitudinal rotating shaft reaches guidance quality effect, to ensure the generations such as the de-groove of steel wire rope 0-360 degree contact position, draw-in groove, wearing and tearing, uses to greatest extent to reach steel wire rope.
3. solve timber transition and the walking of operation area transverse and longitudinal:
1) in the time of timber transition, wheel is directly contained in underframe (walk motor with hydraulic pressure), is realized and is turned to 4 wheel driven walking by the positive and negative rotation of hydraulic pressure.
2) while work in operation area, can laterally walk for reaching, prop body by hydraulic support device, wheel is unloaded, extended type steering base is arranged on underframe, and also hydraulic steering is arranged on underframe, realizes 0 °～90 °, wheel with hydraulic cylinder extension by lever principle and turn to, realize operation area transverse and longitudinal 4 wheel driven walking.
4. solve the unloading of timber:
1) by the pulling force of winch, timber is extracted out and transported timber by rocking arm and place timber to the position of specifying from collecting wooden compartment, reach the unloading operation of timber.
Claims (5)
1. lumbering dress wood fortune wood unloads wooden all-in-one, comprise feller (1), collect wooden compartment (8), underframe (9), it is characterized in that, the bottom, one end that collects wooden compartment (8) is hinged with underframe (9), one end of the other end and balanced hydraulic device (10) is hinged, and the other end of balanced hydraulic device (10) and underframe (9) are hinged; Collect the hinged top, one end of wooden compartment (8) and underframe (9) device for revolving and driving (7) is installed, the rotating part of device for revolving and driving (7) is fixedly connected with the bottom of principal arm (6), the top of principal arm (6) and middle arm (4) are hinged, the other end of middle arm (4) and auxiliary (2) are hinged, and auxiliary (2) other end is connected with feller (1) bolt; Between the middle part of the middle part of auxiliary (2) and middle arm (4), by articulated manner, auxiliary hydraulic means (3) is installed, between the bottom of the middle part of middle arm (4) and principal arm (6), by articulated manner, middle arm hydraulic means (5) is installed, the two ends of the two ends of middle arm (4) and auxiliary (2) are separately installed with roller, device for revolving and driving (7) be provided with pass from bottom to top for steel wire rope unload wooden steel wire rope twelve punch y (B0); The below of device for revolving and driving (7) is provided with two winchs that are arranged on the wooden compartment of collection (8), the steel wire penetrating that wherein winch is drawn is unloaded connecting shackle after the roller of walking around successively middle arm (4) and auxiliary (2) after wooden steel wire rope twelve punch y (B0), and the steel wire rope end head that another winch is drawn can be connected to the fixed pivot of other setting; The below of underframe (9) is provided with four wheels (12).
2. lumbering dress wood fortune wood unloads wooden all-in-one according to claim 1, it is characterized in that, each wheel (12) is fixedly connected with the plane of rotation of a walk motor with hydraulic pressure (13) respectively, the stationary face of four walk motor with hydraulic pressures is all fixed on underframe, by controlling four walk motor with hydraulic pressures, can realize the mobility operation that wheel work front and back or low-angle turn to.
3. lumbering dress wood fortune wood unloads wooden all-in-one according to claim 1, it is characterized in that, the below of described underframe (9) is provided with hydraulic support device (11), four wheels position is fixed with the extended type steering base (20) stretching out laterally, four wheels (12) is fixedly connected with the plane of rotation of walk motor with hydraulic pressure (13) respectively, the stationary face of walk motor with hydraulic pressure is fixedly connected with connector (22), the other end of connector (22) and extended type steering base (20) are hinged, between the middle part of connector (22) and underframe (9), by articulated manner, hydraulic steering (21) is installed, by controlling the contractive action of hydraulic steering (21), can realize the vertical cross running of wheel.
4. lumbering dress wood fortune wood unloads wooden all-in-one according to claim 1, it is characterized in that, collect well word bearing bracket stand (15) is installed on wooden compartment (8), the longitudinal rotating shaft that well word bearing bracket stand (15) is arranged by two parallel longitudinals and the transverse rotation axle of two horizontal parallel arrangements form, two longitudinal rotating shafts and two transverse rotation axles are arranged on well word bearing bracket stand body and are staggered and arrange by bearing respectively, and the axle head of four axles is fixed with cover plate (24) by screw (23) respectively; The steel wire penetrating being connected with the fixed pivot of other setting is by two longitudinal rotating shafts and two square holes that transverse rotation axle surrounds, to protect steel wire rope.
5. unload wooden all-in-one according to the arbitrary described lumbering dress wood fortune wood of the claims, it is characterized in that, collect engine (16) is installed on wooden compartment (9), hydraulic pump (17), banked direction control valves (18) and control device of wireless (19), the output connecting fluid press pump (17) of engine (16), hydraulic pump (17) connects banked direction control valves (18), banked direction control valves (18) is connected with control device of wireless (19) fuel feeding of realizing wireless remote control control banked direction control valves (18), banked direction control valves (18) connects auxiliary hydraulic means (3) through high-pressure oil pipe, middle arm hydraulic means (5), device for revolving and driving (7), two winchs, balanced hydraulic device (10) and walk motor with hydraulic pressure (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420447174.8U CN203985334U (en) | 2014-08-08 | 2014-08-08 | Lumbering dress wood fortune wood unloads wooden all-in-one |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420447174.8U CN203985334U (en) | 2014-08-08 | 2014-08-08 | Lumbering dress wood fortune wood unloads wooden all-in-one |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203985334U true CN203985334U (en) | 2014-12-10 |
Family
ID=52025444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420447174.8U Withdrawn - After Issue CN203985334U (en) | 2014-08-08 | 2014-08-08 | Lumbering dress wood fortune wood unloads wooden all-in-one |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203985334U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104170702A (en) * | 2014-08-08 | 2014-12-03 | 周泓宇 | Wood cutting, loading, conveying and unloading all-in-one machine |
| CN105815189A (en) * | 2016-04-13 | 2016-08-03 | 河南师范大学 | Tree felling device capable of working in narrow space |
-
2014
- 2014-08-08 CN CN201420447174.8U patent/CN203985334U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104170702A (en) * | 2014-08-08 | 2014-12-03 | 周泓宇 | Wood cutting, loading, conveying and unloading all-in-one machine |
| CN104170702B (en) * | 2014-08-08 | 2016-01-13 | 周泓宇 | Lumbering dress wood fortune wood unloads wooden all-in-one |
| CN105815189A (en) * | 2016-04-13 | 2016-08-03 | 河南师范大学 | Tree felling device capable of working in narrow space |
| CN105815189B (en) * | 2016-04-13 | 2018-05-29 | 河南师范大学 | It is operable with the tree felling machine of small space |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20160113 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |