CN214430747U

CN214430747U - Multifunctional three-dimensional gathering profiling header

Info

Publication number: CN214430747U
Application number: CN202022238850.9U
Authority: CN
Inventors: 康峰; 高垚垚; 阚江明; 王亚雄
Original assignee: Beijing Forestry University
Current assignee: Beijing Forestry University
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-10-22
Anticipated expiration: 2030-10-10

Abstract

The invention relates to the technical field of agriculture and forestry machinery, in particular to a device for carrying out three-dimensional copying cutting on sandy shrubs growing on shallow mountains and hilly terrains. The invention aims to provide a multifunctional three-dimensional gathering profiling cutting table, which aims to solve the problem of poor profiling capability for cutting shrubs in the prior art. After the gathering cutting component finishes the cutting action by the control console, the gathering cutting component and the cutting station of the three-dimensional cutting component are switched by the station switching mechanism. The adjustment of the cutting amplitude of the copying cutting tool of the three-dimensional cutting component is realized through the reciprocating swing of the parallel four-bar mechanism, and good cutting conditions are provided for shrubs on complex ground, so that the cutting quality of the shrubs is improved.

Description

Multifunctional three-dimensional gathering profiling header

Technical Field

The invention belongs to the technical field of agricultural and forestry machinery, and particularly relates to a three-dimensional copying cutting device for copying cutting of sandy shrubs growing on shallow mountains and hills.

Background

The bush forest resource in China is very rich, has huge ecological benefit and economic benefit, and has irreplaceable status in forestry production and operation. However, mechanical stumping is an important means for fostering the shrub forest and is also a key for determining whether the shrub forest can be healthily and continuously developed.

At present, the mode of leveling shrubs in China is manual cutting or the stubble leveling operation is carried out by using a backpack-type or shoulder-carried-type small brush cutter, the efficiency is low, the labor intensity is high, the requirement of large-area planting of shrubs cannot be met, and the mode becomes a prominent problem for restricting the shrub planting industry. The conventional traction type or self-propelled shrub harvester has poor profiling capability and cannot solve the problem of harvesting due to overhigh sand and stones accumulated at the roots of shrubs.

Disclosure of Invention

The invention aims to provide a multifunctional three-dimensional gathering profiling cutting table, and aims to solve the problem that in the prior art, the profiling cutting capability of shrubs growing on shallow hilly terrain is poor.

In order to achieve the purpose, the invention adopts the technical scheme that:

a multifunctional three-dimensional gathering profiling cutting table comprises a cantilever type working platform, a station switching mechanism, a gathering cutting part, a three-dimensional profiling cutting part and a control console; the cantilever type working platform is a cantilever type motor vehicle which can walk in shrubs; the station switching mechanism is used for switching the cutting stations of the gathering cutting component and the three-dimensional cutting component; the gathering and cutting component comprises a lifting device, a clamping device and a cutting device, the clamping device is connected with the lifting support frame, the lifting device is driven by a driver, so that the clamping device moves up and down, and the cutting device is fixed at the bottom of the sliding rail support; the three-dimensional copying cutting component consists of a rotating device and a copying cutting device, and the rotating device of the cutting device controls the rotating angle and the angular speed of the copying cutting device.

In the multifunctional three-dimensional gathering profiling cutting table, the station switching mechanism realizes switching of the gathering cutting part and the cutting station of the three-dimensional gathering cutting part through the displacement rotating element.

In the multifunctional three-dimensional gathering profiling cutting table, the tail ends of the clamping claws of the clamping devices in the gathering cutting part in the three-dimensional profiling cutting part are respectively connected with the driver, and the opening degree of the clamping claws is controlled by controlling the extension and retraction of the driver; the cutting device is a reciprocating swing device consisting of a hydraulic motor, a chain saw swing driving electric push rod, a fixed support frame and a chain saw; the aim of cutting branches in a reciprocating manner is achieved by controlling the swing angle of a chain saw in the cutting device.

In the multifunctional three-dimensional gathering profiling header, the rotating device consists of a gear rack mechanism and controls a rotating support shaft to rotate; the driver drives the sliding block to slide in the U-shaped groove in a reciprocating manner; the adjustment of the cutting amplitude of the copying cutting tool is realized by the reciprocating swing of the parallel four-bar mechanism; the parallel four-bar mechanism is hinged with the amplitude control electric push rod through a connecting rod, and the adjustment of the profile cutting radius of the profile cutting tool is realized through the extension and retraction of the amplitude control electric push rod.

The multifunctional three-dimensional gathering profiling cutting table provided by the invention has the beneficial effects that: the three-dimensional gathering profiling cutting table realizes the switching of cutting stations of gathering cutting parts and three-dimensional gathering profiling cutting parts through the station switching mechanism. The adjustment of the cutting amplitude of the copying cutting tool is realized through the reciprocating swing of the parallel four-bar mechanism, and good cutting conditions are provided for shrubs growing on shallow hilly terrain, so that the cutting quality of the shrubs is improved.

Drawings

Fig. 1a is a general structure schematic diagram of a multifunctional three-dimensional gathering profiling header;

FIG. 1b is an enlarged view of the portion A of the steering mechanism of FIG. 1 a;

FIG. 2 is a schematic view of a lifting device in the gathering and cutting unit;

FIG. 3 is a schematic view of a gripping device in the gathering and cutting unit;

FIG. 4 is a schematic structural view of a cutting device in the gathering and cutting part;

FIG. 5 is a schematic structural diagram of a rotating device in a three-dimensional copying cutting component;

FIG. 6 is a schematic structural view of a profile cutting device in a three-dimensional profile cutting component;

FIG. 7 is a structural diagram of the multifunctional three-dimensional gathering profiling header in an unfolded state;

FIG. 8 is a schematic view of the operation state structure of the multifunctional three-dimensional gathering profiling header;

fig. 9 is a schematic structural diagram of a folded state of the multifunctional three-dimensional gathering profiling header.

Reference numerals:

1-cantilever type mobile platform; 2-station switching mechanism; 3-gathering and cutting the components; 4-three-dimensional profile modeling cutting component; 5, an operation table; 6-cutting shrub branches; 31-a lifting device; 32-a gripping device; 33-a cutting device; 41-rotating device; 42-a profiling cutting device; 2 a-steering hydraulic motor; 2 b-connecting the bottom plate; 2 c-a flange; 31 a-channel steel bracket; 31 b-a lifting hydraulic cylinder; 31c — lifting the support; 31 d-fixing plate; 31e — rolling bearing; 31f — a chain; 31 g-sprocket; 31h, fixing the connecting hole; 31j — positioning the connection hole; 32 a-the gripping claw drives the electric push rod; 32 b-a support floor; 32 c-gripping jaws; 33 a-hydraulic motor; 33 b-a chain saw swing electric push rod; 33 c-a fixed support; 33 d-chain saw; 41a — a rotating gear; 41 b-rack slide block; 41 c-telescopic electric push rod; 41 d-rotating the support base plate; 41 e-rotating the supporting bottom plate to fix the connecting hole; 41 f-positioning connecting holes of the rotary supporting bottom plate; 41 g-positioning pin; 41h, rotating a lower positioning hole of the lower support frame; 42a — a rotating support shaft; 42 b-square support frame; 42 c-amplitude control electric push rod; 42 d-motor support connecting rod; 42 e-a motor; 42 f-profile cutting tool; 42 g-a guide wheel; 42 h-L-shaped support connecting rod; 42 i-long connecting rod; 42 j-connecting the support rod.

Detailed Description

The invention is further described in detail below with reference to the figures and the detailed description. It should be emphasized that the following description is merely illustrative of the invention and is not intended to limit the scope of use of the invention and its applications.

The multifunctional three-dimensional gathering profiling header of the invention has the preferred embodiment as shown in fig. 1a to 8:

as shown in fig. 1a, the multifunctional three-dimensional gathering profiling cutting table of the invention is composed of a cantilever type working platform 1, a station conversion mechanism 2, a gathering cutting part 3, a three-dimensional gathering profiling cutting part 4 and a control console 5.

The cantilever type working platform 1 of the multifunctional three-dimensional gathering profiling cutting table is a miniature excavator capable of walking in shrubs and can also be a cantilever type working platform with the same function.

The station switching mechanism 2 of the multifunctional three-dimensional gathering profiling cutting table is used for switching cutting stations of the gathering cutting part 3 and the three-dimensional cutting part 4. As shown in fig. 1b, two ends of the steering hydraulic motor 2a are fixedly connected with the end actuator of the cantilever type working platform 1 and the connecting bottom plate 2b through bolts by a flange 2 c.

The gathering and cutting component 3 in the multifunctional three-dimensional gathering and profiling header is divided into three parts, namely a lifting device 31, a clamping device 32 and a cutting device 33. The cutting device 33 is fixedly connected to the bottom of the channel steel bracket 31a by bolts. As shown in fig. 2, wherein the lifting device 31 is composed of a lifting hydraulic cylinder 31b, a lifting bracket 31c, a chain 31f and a chain wheel 31 g; two sides of a piston rod of the lifting hydraulic cylinder 31b are respectively provided with a chain wheel 31g, and the bottom of the cylinder body is fixed on the channel steel bracket 31 a. The chain 31f is wound around the sprocket 31g, and both ends thereof are fixed to the lifting frame 31c and the fixing plate 31d, respectively; the gripping device 32 is fixedly welded to the lifting bracket 31c, rolling bearings 31e are respectively mounted on the side edges of the lifting bracket 31c, and the lifting bracket 31c is driven by a lifting hydraulic cylinder 31b to reciprocate up and down in the channel steel of the channel steel bracket 31 a. As shown in fig. 3, the gripping device 32 is composed of a gripping claw driving electric push rod 32a, a supporting base plate 32b, and a gripping claw 32 c. Two ends of the clamping claw driving electric push rod 32a are respectively hinged with the tail ends of the clamping claws 32c, the clamping claws 32c are hinged with the supporting base plate 32b through pin shafts, meanwhile, a certain gap is reserved between the two clamping claws, the clamping claws 32c are guaranteed not to touch and rub when moving mutually, and different opening degrees of the clamping claws 32c are controlled by the clamping claw driving electric push rod 32 a; as shown in fig. 4, the cutting device is composed of a hydraulic motor 33a, a chainsaw swing electric push rod 33b, a fixed support bracket 33c, and a chainsaw 33 d; the hydraulic motor 33a is fixedly mounted on the fixed support frame 33c, both ends of the chain saw swing electric push rod 33b are respectively hinged with the chain saw 33d and the fixed support frame 33c, and the chain saw 33d is driven by the chain saw swing electric push rod 33b to swing back and forth with the hydraulic motor 33a as the center.

The three-dimensional copying cutting component 4 consists of a rotating device 41 and a copying cutting device 42. As shown in fig. 5, the rotating means 41 functions to support the profile cutting means 42 and to control the rotating speed and the rotating angle thereof. The rotating device 41 is composed of a rotating gear 41a, a rack slider 41b, a rotating support shaft 42a, a telescopic electric push rod 41c and a rotating support bottom plate 41 d. The tail end of the rotating support shaft 42a is in splined connection with the rotating gear 41a, and the rotating gear 41a and the rack slider 41b are in meshed transmission to form a gear rack transmission mechanism; the rack sliding block 41b is formed by welding a rack and a square sliding block and is connected with the rotary supporting bottom plate 41d through a telescopic electric push rod 41 c; the rack slider 41b can be driven by the telescopic electric push rod 41c to slide along the U-shaped sliding groove of the rotary support bottom plate 41d transversely.

As shown in fig. 6, rectangular notches are respectively cut on the side edges of the square support frame 42b, and the top of the rectangular support frame is fixedly connected with the rotary support shaft 42a through bolts; the amplitude control electric push rod 42c is embedded into the square support frame 42b, one end of the amplitude control electric push rod is hinged with the inner wall of the square support frame 42b through a pin shaft, and two sides of the other end of the amplitude control electric push rod are respectively hinged with the connecting support rod 42 j. The two ends of the motor support connecting rod 42d and the long connecting rod 42i are respectively hinged with the square support frame 42b and the L-shaped support connecting rod 42h to form a parallel four-bar mechanism, and the parallel four-bar mechanism is respectively positioned at the two sides of the square support frame 42b and is in rotationally symmetrical distribution. The motor 42e is fixedly mounted on the motor support link 42d, and the motor 42e controls the rotational speed of the contour cutter 42 f. The parallel four-bar mechanisms on two sides of the square support frame 42b are hinged with an amplitude regulation electric push rod 42c through a connecting support rod 42j, and the amplitude regulation electric push rod 42c drives the parallel four-bar mechanisms to swing up and down in a reciprocating mode by taking a pin shaft of the square support frame 42b as a center. The guide wheel 42g is hinged to an L-shaped support link 42 h.

The operator can control the action of each hydraulic cylinder and each electric push rod by operating the corresponding electromagnetic valve or switch of the control console. The opening degree of the gripping claw 32c is controlled by the gripping claw driving electric push rod 32 a; the clamping device 32 is driven by the lifting hydraulic cylinder 31b to slide up and down along the channel steel of the channel steel bracket 31 a; the chain saw 33d is driven to reciprocate around the hydraulic motor 33a by controlling the chain saw swing electric push rod 33 b; the profile modeling cutting device 42 is driven to rotate back and forth by the telescopic electric push rod 41 c; the profile cutting tool is driven by the amplitude control electric push rod 42c to swing to and fro laterally relative to the square support frame 42b to adjust the profile cutting radius.

The operation state of the multifunctional three-dimensional gathering profiling header is explained as follows:

as shown in fig. 7, in the working state, the rotation support base plate positioning hole 41f of the multifunctional three-dimensional gathering and profiling header and the positioning connection hole 31j of the channel steel bracket 31a are fixedly connected through the positioning pin 41g, so that the gathering and cutting component 3 and the three-dimensional gathering and profiling cutting component 4 are unfolded in an L shape. After the gathering and cutting component 3 finishes cutting action, the control console 5 is operated to rotate the steering mechanism 2 by 90 degrees, so that the gathering and cutting component 3 and the three-dimensional copying cutting component 4 exchange stations; as shown in fig. 8, the three-dimensional profile modeling cutting component 4 performs profile modeling cutting, and the gathering cutting component 3 places the cut bush 6 on the side of the multifunctional three-dimensional gathering profile modeling cutting table, so as to perform reciprocating cutting.

As shown in fig. 9, when the work is completed, the lower support frame lower positioning hole 41h is rotated to be fixedly connected with the channel steel bracket 31a through the positioning pin, so that the gathering and cutting member 3 and the three-dimensional copying and cutting member 4 are folded in parallel.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a profile modeling header is gathered together to multi-functional three-dimensional, its characterized in that: the three-dimensional copying cutting device comprises five parts, namely a cantilever type working platform, a station switching mechanism, a gathering and cutting part, a three-dimensional copying cutting part and a console; the cantilever type working platform is a cantilever type motor vehicle which can walk in shrubs; the station switching mechanism is used for switching the cutting stations of the gathering cutting component and the three-dimensional cutting component; the gathering and cutting component comprises a lifting device, a clamping device and a cutting device, the clamping device is connected with the lifting support, the lifting device is driven by a driver, so that the clamping device moves up and down, and the cutting device is fixed at the bottom of the sliding rail support; the three-dimensional copying cutting component consists of a rotating device and a copying cutting device, and the rotating device is used for controlling the rotating angle and the angular speed of the copying cutting device.

2. The multifunctional three-dimensional gathering profiling header according to claim 1, wherein the station switching mechanism realizes switching of the gathering cutting part and the cutting station of the three-dimensional gathering cutting part through a displacement rotating element.

3. The multifunctional three-dimensional gathering profiling header as claimed in claim 1, wherein the ends of the gripping claws of the gripping device in the gathering and cutting component are respectively connected with a driver, and the opening degree of the gripping claws is controlled by controlling the extension and retraction of the driver.

4. The multifunctional three-dimensional gathering profiling cutting table according to claim 1, wherein the cutting device is a reciprocating swing device consisting of a hydraulic motor, a chain saw swing electric push rod, a fixed support frame and a chain saw; the aim of cutting branches in a reciprocating manner is achieved by controlling the swing angle of a chain saw in the cutting device.

5. The multifunctional three-dimensional gathering profiling cutting table according to claim 1, wherein a rotating device in the three-dimensional profiling cutting part is composed of a gear rack mechanism and controls a rotating supporting shaft to rotate, and a driver drives a sliding block to slide in a U-shaped groove in a reciprocating mode.

6. The multifunctional three-dimensional gathering profiling header according to claim 1, wherein the adjustment of the cutting amplitude of the profiling cutter in the three-dimensional cutting component is realized by the reciprocating swing of a parallel four-bar mechanism; the parallel four-bar mechanism is hinged with the amplitude control electric push rod through a connecting rod, and the adjustment of the profile cutting radius of the profile cutting tool is realized through the extension and retraction of the amplitude control electric push rod.