CN220402606U

CN220402606U - Electrohydraulic control cutting head clamping device

Info

Publication number: CN220402606U
Application number: CN202322018795.6U
Authority: CN
Inventors: 赵宁; 邹洁; 黄雪兰; 石达光; 覃明治; 潘武能; 何劲贤
Original assignee: Guangxi Meisida Heavy Industry Co ltd
Current assignee: Guangxi Meisida Heavy Industry Co ltd
Priority date: 2023-07-28
Filing date: 2023-07-28
Publication date: 2024-01-30
Anticipated expiration: 2033-07-28

Abstract

The utility model provides an electrohydraulic control felling head clamping device which comprises a frame, an upper feeding roller assembly, a feeding roller assembly, a measuring device and an electrohydraulic control system, wherein the upper feeding roller assembly, the roller assembly and the feeding roller assembly are sequentially connected to the middle part of the frame, the axial leads of the roller assembly and the feeding roller assembly are in a V-shaped structure, an upper feeding roller cylinder is connected between the upper feeding roller assembly and the frame, and the upper feeding roller assembly, the roller assembly and the feeding roller assembly form a triangular clamping structure; the measuring device is connected to the frame and is positioned at one side of the roller assembly, and the front auxiliary clamping mechanism and the rear auxiliary clamping mechanism are respectively connected to the two sides of the roller assembly; by using the electrohydraulic control system, the reliable operation of the device is realized, the automatic horizontal operation is improved, and the safety is also improved.

Description

Electrohydraulic control cutting head clamping device

Technical Field

The utility model relates to the technical field of forestry felling mechanical equipment, in particular to an electrohydraulic control felling head clamping device.

Background

The harvesting is one operation management activity of forest and trees, comprising four types of main harvesting, tending harvesting, updating harvesting and low-yield forest reconstruction harvesting, is one of the basic processes of wood production, and is used for carrying out the operation of cutting the forest according to the purpose and the requirement of forest operation, comprising the tending harvesting before the forest is mature, the main harvesting of mature forest and overripe forest, in the forest production, the harvesting and updating are equally important, the two are closely combined, the requirement of wood is considered, the full utilization of wood resources is also paid attention to, the economic effect of wood harvesting and transportation production and the recovery of the forest resources are beneficial to long-term operation, the harvesting is beneficial to updating, and when the forest harvesting and the clearing forest work is carried out, the workers can use an electric saw to cut the trees.

In the prior art, as disclosed in chinese patent CN 216164022U, a four-bar spine type main body structure harvester for forestry engineering machinery comprises a frame assembly, the front portion of the frame assembly is rotationally connected with a side pruning knife main body, adjacent sides of the side pruning knife main body are all fixedly connected with side pruning knife vertical plates, the rear end top of each side pruning knife vertical plate is fixedly connected with an upper pruning knife, the front end two sides of the frame assembly are all fixedly connected with chain saw rotating mechanisms, the top end of an output shaft of each chain saw rotating mechanism is fixedly connected with a chain saw assembly, the inside of each chain saw assembly is provided with a feed roller rotating shaft, and the front end two sides of the frame assembly are all rotationally connected with hydraulic cylinders. This forestry engineering machine is with four connecting rod spine main part structure harvester head promotes the side through the hydraulic stem and beats branch knife main part and cliies the trunk to drive chain saw assembly rotation through chain saw rotary mechanism, it is broken with the trunk crust, and make the bark get into from left feed roller and right feed roller. But the four-bar spine main body structure for the forestry engineering machinery is complex in structure and unfavorable for centering and clamping the axis of wood when in cutting operation of the cutting head of the four-bar spine main body structure, so that the four-bar spine main body structure is unfavorable for clamping the wood when cutting large-diameter wood, and is unfavorable for efficient wood cutting operation.

Disclosure of Invention

In order to solve the problem that the prior art is unfavorable for clamping wood when the cutting head cuts wood with larger diameter.

The technical scheme of the utility model is as follows:

the utility model provides an electrohydraulic control cutting head clamping device, including frame, upper feed roll assembly, cylinder assembly, feed roll assembly, measuring device and electrohydraulic control system, the frame adopts the steel sheet to weld and makes, upper feed roll assembly, cylinder assembly and feed roll assembly connect gradually in frame middle part position, electrohydraulic control system connects in the frame inboard, cylinder assembly and feed roll assembly's axial lead are V-arrangement structure, be connected with upper feed roll hydro-cylinder between upper feed roll assembly and the frame, upper feed roll hydro-cylinder is used for driving upper feed roll assembly and keeps away from or is close to cylinder assembly and feed roll assembly, upper feed roll assembly, cylinder assembly and feed roll assembly form triangle clamping structure; the measuring device is connected to the frame and is positioned at one side of the roller assembly, and the measuring device comprises a measuring wheel cylinder for driving the measuring device to approach or be far away from a triangular clamping structure formed by the upper feeding roller assembly, the roller assembly and the feeding roller assembly; the electro-hydraulic control system is used for controlling the upper feed roller assembly, the feed roller assembly, the measuring device, the front auxiliary clamping mechanism and the rear auxiliary clamping mechanism.

Furthermore, in order to ensure the controllability of the upper feed roller assembly, the electrohydraulic control cutting head clamping device is provided with an upper feed roller motor in the upper feed roller assembly, the upper feed roller motor is driven by hydraulic pressure, and the electrohydraulic control system is connected with the upper feed roller motor and controls the operation of the upper feed roller motor.

Furthermore, in order to ensure the controllability of the feed roller assembly, the electrohydraulic control cutting head clamping device is provided with a fixed feed roller motor in the feed roller assembly, the fixed feed roller motor is driven by hydraulic pressure, and the electrohydraulic control system is connected with the fixed feed roller motor and controls the operation of the fixed feed roller motor.

Furthermore, in order to improve the reliability of the front auxiliary clamping mechanism, the front auxiliary clamping mechanism comprises a right front cutter and a left front cutter, the right front cutter is rotationally connected with the frame, a right front oil cylinder is connected between the right front cutter and the frame, the left front cutter is rotationally connected with the frame, and a left front oil cylinder is connected between the left front cutter and the frame.

Furthermore, the utility model relates to an electrohydraulic control cutting head clamping device, which aims to ensure the linkage property of a left front cutter and a right front cutter so as to improve the clamping reliability of the left front cutter and the right front cutter, wherein the left front oil cylinder is connected with the right front oil cylinder in parallel.

Furthermore, in order to improve the clamping reliability of the right front cutter and the left front cutter, the clamping device of the electrohydraulic control cutting head is characterized in that the right front cutter is of a semicircular arc structure, the right front cutter is smaller along one end connected with the frame to one end far away from the frame, the left front cutter is of a semicircular arc structure, and the left front cutter is smaller along one end connected with the frame to one end far away from the frame.

Furthermore, in order to improve the reliability of the rear auxiliary clamping mechanism, the rear auxiliary clamping mechanism comprises a right rear cutter and a left rear cutter, the right rear cutter is rotationally connected with the frame, a right rear oil cylinder is connected between the right rear cutter and the frame, the left rear cutter is rotationally connected with the frame, and a left rear oil cylinder is connected between the left rear cutter and the frame.

Furthermore, the utility model discloses an electrohydraulic control cutting head clamping device, which aims to ensure the linkage property of a left rear cutter and a right rear cutter so as to improve the clamping reliability of the left rear cutter and the right rear cutter, wherein a left rear oil cylinder is connected with a right rear oil cylinder in parallel.

Furthermore, in order to improve the clamping reliability of the right rear cutter and the left rear cutter, the clamping device of the electrohydraulic control cutting head is characterized in that the right rear cutter is of a semicircular arc structure, the right rear cutter is smaller along one end connected with the frame to one end far away from the frame, the left rear cutter is of a semicircular arc structure, and the left rear cutter is smaller along one end connected with the frame to one end far away from the frame.

Furthermore, in order to further improve the integrated cutting operation efficiency of the device, the end part of the frame is connected with the branch removing knife which is in a V-shaped structure along the transverse direction of the frame, and the branch removing knife is in a circular arc structure along the longitudinal direction of the frame.

The utility model has the beneficial effects that:

1. the device is mainly used for clamping trees in a felling machine, cutting down the trees, measuring the length of the wood through the measuring device while clamping the wood, and cutting according to the required length, thereby improving the efficiency and benefit.

2. The device of the utility model realizes the reliable operation of the device by using the electrohydraulic control system, improves the automatic horizontal operation and improves the safety.

3. The upper feeding roller oil cylinder is controlled through the structural design to drive the upper feeding roller assembly to move, so that wood is clamped in the movement process, and the surface of a wood substrate is not damaged.

4. Auxiliary clamping mechanism and back auxiliary clamping mechanism before assisting improves this device and cuts in the in-process to the reliability of timber centre gripping to guarantee the high efficiency that timber was cut.

Drawings

FIG. 1 is a schematic view of an electrohydraulic controlled harvester clamp of the utility model;

FIG. 2 is a schematic view of the lower side structure of an electrohydraulic controlled harvester clamp according to the present utility model;

FIG. 3 is a schematic view of the front side structure of an electrohydraulic controlled harvester clamp according to the present utility model;

FIG. 4 is a hydraulic schematic diagram of an electrohydraulic controlled harvester clamp of the utility model;

name and number in the figure: 1. a frame; 2. an upper feed roller assembly; 3. an upper feed roller cylinder; 4. a roller assembly; 5. a feed roll assembly; 6. a measuring device; 7. a branch removing knife; 8. a right front cutter; 9. a right front cylinder; 10. a left front cutter; 11. a left front cylinder; 12. a right rear cutter; 13. a right rear cylinder; 14. a left rear cutter; 15. a left rear cylinder; 16. an upper feed roller motor; 17. a fixed feed roller motor; 20. an electrohydraulic control system.

Detailed Description

In order to enable those skilled in the art to better understand the technical scheme of the present utility model, the present utility model is described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 4, the present utility model provides an electrohydraulic control cutting head clamping device, which comprises a frame 1, an upper feeding roller assembly 2, a roller assembly 4, a feeding roller assembly 5, a measuring device 6 and an electrohydraulic control system 20, wherein the frame 1 is made of steel plates by welding to ensure that the cutting operation can be completed efficiently when heavy cutting operation is performed; the upper feed roller assembly 2, the roller assembly 4 and the feed roller assembly 5 are sequentially connected to the middle position of the frame 1, the electrohydraulic control system 20 is connected to the inner side of the frame 1, and the electrohydraulic control is mainly used for controlling the actions of all components of the device, and the reliable actions of all components of the device can be guaranteed by adopting electric and hydraulic comprehensive control so as to guarantee the high efficiency of the device for timber harvesting operation. The upper feeding roller cylinder 3 is connected between the upper feeding roller assembly 2 and the frame 1, and the upper feeding roller cylinder 3 is used for driving the upper feeding roller assembly 2 to be far away from or close to the upper feeding roller assembly 4 and the feeding roller assembly 5, so that the upper feeding roller assembly 2, the roller assembly 4 and the feeding roller assembly 5 form a triangular clamping structure, namely, the clamping of wood can be realized through the upper feeding roller assembly 2 which is provided with a fixed mounting position and is matched with the feeding roller assembly 5, and meanwhile, the upper feeding roller assembly 2, the roller assembly 4 and the feeding roller assembly 5 are all of roller structures, so that a specific clamping position can be moved after the wood is clamped, and cutting of the wood can be realized accurately. The measuring device 6 is connected to the frame 1 and is positioned at one side of the roller assembly 4, the measuring device 6 comprises a measuring wheel oil cylinder for driving the measuring device 6 to approach or be far away from a triangular clamping structure formed by the upper feeding roller assembly 2, the roller assembly 4 and the feeding roller assembly 5, and meanwhile, the measuring device 6 is matched with a measuring wheel and a spring structure, so that the measuring wheel can compress wood when the triangular clamping structure formed by the upper feeding roller assembly 2, the roller assembly 4 and the feeding roller assembly 5 clamps wood, and the measuring wheel can accurately reflect the moving length of the wood when the upper feeding roller assembly 2, the roller assembly 4 and the feeding roller assembly 5 move the clamping position of the wood, and thus, an operator can realize accurate cutting of the wood according to feedback information through feedback of the measuring device 6; the front auxiliary clamping mechanism and the rear auxiliary clamping mechanism are respectively connected to two sides of the roller assembly 4 on the frame 1, wherein the front auxiliary clamping mechanism and the rear auxiliary clamping mechanism are used for being matched with a triangular clamping structure formed by the upper feed roller assembly 2, the roller assembly 4 and the feed roller assembly 5, so that the wood is prevented from being clamped unbalance in the process of clamping the wood, and the wood is prevented from being damaged in the process of cutting, namely, the front auxiliary clamping mechanism and the rear auxiliary clamping mechanism are used for carrying out auxiliary clamping in pairs, so that the device can be ensured to be stable and reliable in the process of cutting; the electrohydraulic control system 20 is used for controlling the upper feed roller assembly 2, the roller assembly 4, the feed roller assembly 5, the measuring device 6, the front auxiliary clamping mechanism and the rear auxiliary clamping mechanism, and a plurality of proportional valves are arranged in the electrohydraulic control system 20, namely, the pressure of each oil cylinder is regulated through an electric proportional pressure reducing valve on each oil cylinder, so that wood is not damaged, and high-quality wood can be harvested.

The felling head clamping and conveying device can be used for conventional existing forestry felling machines when being matched with the felling machine for connecting operation, the felling head of the existing felling machine is replaced by the felling head clamping and conveying device, the upper feed roller assembly 2, the roller assembly 4 and the feed roller assembly 5 of the device form a triangular clamping structure, so that wood can be reliably and stably clamped during the felling operation, and meanwhile, the position of the device for clamping the wood can be moved through the driving of the upper feed roller assembly 2 and the feed roller assembly 5 after clamping, so that efficient pre-clamping and felling operation during the timber felling operation can be realized.

Further, in order to ensure the controllability of the upper feed roller assembly 2, as shown in fig. 1 to 4, an upper feed roller motor 16 is disposed in the upper feed roller assembly 2, the upper feed roller motor 16 is driven by hydraulic pressure, and the electrohydraulic control system 20 is connected with and controls the operation of the upper feed roller motor 16, that is, the upper feed roller motor 16 is installed in the upper feed roller assembly 2 independently, and by precisely controlling the electrohydraulic control system 20, efficient timber harvesting can be realized. Further, in order to ensure the controllability of the feed roller assembly 5, a fixed feed roller motor 17 is disposed in the feed roller assembly 5, the fixed feed roller motor 17 is driven by hydraulic pressure, and the electrohydraulic control system 20 is connected with and controls the operation of the fixed feed roller motor 17. That is, also, by installing the fixed feed roller motor 17 in the independent feed roller assembly 5, efficient harvesting of wood can be further ensured by accurate control of the electro-hydraulic control system 20. Further, in order to further improve the integrated harvesting operation efficiency of the device, the end part of the frame 1 is connected with a pruning knife 7, the pruning knife 7 is in a V-shaped structure along the transverse direction thereof, and the pruning knife 7 is in a circular arc structure along the longitudinal direction thereof. Namely, the branch removing knife 7 is in a V-shaped structure along the transverse direction, and the branch removing knife 7 is in a circular arc-shaped structure along the longitudinal direction, so that the branch removing knife at the end part of the frame 1 can more efficiently assist the device to remove small branches on the wood edge in the wood harvesting process of the device, and the wood harvesting quality is ensured.

As shown in fig. 1 to 4, further, in order to improve the reliability of the front auxiliary clamping mechanism, the front auxiliary clamping mechanism of the utility model comprises a right front cutter 8 and a left front cutter 10, the right front cutter 8 is rotationally connected with the frame 1, a right front oil cylinder 9 is connected between the right front cutter 8 and the frame 1, the left front cutter 10 is rotationally connected with the frame 1, and a left front oil cylinder 11 is connected between the left front cutter 10 and the frame 1. Further, to ensure the linkage of the left front cutter 10 and the right front cutter 8 and thereby improve the clamping reliability thereof, the left front cylinder 11 is connected in parallel with the right front cylinder 9. Further, in order to improve the clamping reliability of the right front cutter 8 and the left front cutter 10, the right front cutter 8 is in a semicircular arc structure, the right front cutter 8 is reduced along one end connected with the frame 1 towards one end far away from the frame 1, the left front cutter 10 is in a semicircular arc structure, and the left front cutter 10 is reduced along one end connected with the frame 1 towards one end far away from the frame 1.

As shown in fig. 1 to 4, further, in order to improve the reliability of the rear auxiliary clamping mechanism, the rear auxiliary clamping mechanism of the utility model comprises a right rear cutter 12 and a left rear cutter 14, wherein the right rear cutter 12 is rotationally connected with the frame 1, a right rear oil cylinder 13 is connected between the right rear cutter 12 and the frame 1, the left rear cutter 14 is rotationally connected with the frame 1, and a left rear oil cylinder 15 is connected between the left rear cutter 14 and the frame 1. Further, to ensure the linkage of the left rear cutter 14 and the right rear cutter 12 and thereby improve the clamping reliability thereof, the left rear cylinder 15 is connected in parallel with the right rear cylinder 13. Further, in order to improve the clamping reliability of the right rear cutter 12 and the left rear cutter 14, the right rear cutter 12 is in a semicircular arc structure, the right rear cutter 12 is smaller along one end connected with the frame 1 towards one end far away from the frame 1, the left rear cutter 14 is in a semicircular arc structure, and the left rear cutter 14 is smaller along one end connected with the frame 1 towards one end far away from the frame 1.

The front auxiliary clamping mechanism and the rear auxiliary clamping mechanism are reasonably arranged, namely, the side-by-side hydraulic cylinders are adopted for simultaneous driving, so that the clamping knives on the left side and the right side on the front end and the rear end of the front auxiliary clamping mechanism can be reliably matched with the triangular clamping structure formed by the upper feed roller assembly 2, the roller assembly 4 and the feed roller assembly 5 in the process of clamping and felling wood, so that the wood clamping unbalance is prevented, the felling operation is influenced, the reliability of the device for clamping the wood in the process of felling the wood is improved, and the high efficiency of timber felling is ensured.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely a preferred embodiment of the utility model, and it should be noted that, due to the limited text expressions, there is objectively no limit to the specific structure, and that, for a person skilled in the art, modifications, adaptations or variations may be made without departing from the principles of the present utility model, and the above technical features may be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present utility model.

Claims

1. The utility model provides a head clamping device is cut in electrohydraulic control, includes frame (1), goes up feeding roller assembly (2), cylinder assembly (4), feed roller assembly (5), measuring device (6) and electrohydraulic control system (20), frame (1) adopts the steel sheet welding to make, go up feeding roller assembly (2), cylinder assembly (4) and feed roller assembly (5) and connect gradually in frame (1) middle part position, its characterized in that: the electro-hydraulic control system (20) is connected to the inner side of the frame (1), the axial lead of the roller assembly (4) and the axial lead of the feeding roller assembly are of a V-shaped structure, an upper feeding roller cylinder (3) is connected between the upper feeding roller assembly (2) and the frame (1), the upper feeding roller cylinder (3) is used for driving the upper feeding roller assembly (2) to be far away from or close to the roller assembly (4) and the feeding roller assembly (5), and the upper feeding roller assembly (2), the roller assembly (4) and the feeding roller assembly (5) form a triangular clamping structure; the measuring device (6) is connected to the frame (1) and is positioned at one side of the roller assembly (4), and the measuring device (6) comprises a measuring wheel cylinder for driving the measuring device (6) to approach or be far away from a triangular clamping structure formed by the upper feeding roller assembly (2), the roller assembly (4) and the feeding roller assembly (5); the automatic feeding device is characterized in that a front auxiliary clamping mechanism and a rear auxiliary clamping mechanism are respectively connected to two sides of the roller assembly (4) on the frame (1), and the electrohydraulic control system (20) is used for controlling the upper feeding roller assembly (2), the roller assembly (4), the feeding roller assembly (5), the measuring device (6), the front auxiliary clamping mechanism and the rear auxiliary clamping mechanism.

2. The electrohydraulic control cutting head clamping device according to claim 1, characterized in that an upper feed roller motor (16) is arranged in the upper feed roller assembly (2), the upper feed roller motor (16) is hydraulically driven, and the electrohydraulic control system (20) is connected with the upper feed roller motor (16) and controls the operation thereof.

3. The electrohydraulic controlled cutting head clamping device according to claim 1, characterized in that a fixed feed roller motor (17) is arranged in the feed roller assembly (5), the fixed feed roller motor (17) is hydraulically driven, and the electrohydraulic control system (20) is connected with the fixed feed roller motor (17) and controls the operation thereof.

4. The electrohydraulic control cutting head clamping device according to claim 1, characterized in that the front auxiliary clamping mechanism comprises a right front cutter (8) and a left front cutter (10), the right front cutter (8) is rotationally connected with the frame (1), a right front oil cylinder (9) is connected between the right front cutter (8) and the frame (1), the left front cutter (10) is rotationally connected with the frame (1), and a left front oil cylinder (11) is connected between the left front cutter (10) and the frame (1).

5. An electrohydraulic controlled harvester clamp according to claim 4, characterized in that the left front cylinder (11) is connected in parallel with the right front cylinder (9).

6. The electrohydraulic control cutting head clamping device of claim 5, wherein said right front blade (8) has a semicircular arc structure, said right front blade (8) is smaller along an end connected with said frame (1) toward an end far from said frame (1), said left front blade (10) has a semicircular arc structure, and said left front blade (10) is smaller along an end connected with said frame (1) toward an end far from said frame (1).

7. The electrohydraulic control cutting head clamping device according to claim 1, characterized in that the rear auxiliary clamping mechanism comprises a right rear cutter (12) and a left rear cutter (14), the right rear cutter (12) is rotationally connected with the frame (1), a right rear cylinder (13) is connected between the right rear cutter (12) and the frame (1), the left rear cutter (14) is rotationally connected with the frame (1), and a left rear cylinder (15) is connected between the left rear cutter (14) and the frame (1).

8. An electrohydraulic controlled harvester clamp according to claim 7, characterized in that the left rear cylinder (15) is connected in parallel with the right rear cylinder (13).

9. The electrohydraulic control cutting head clamping device of claim 8, wherein said right back knife (12) is of a semicircular arc structure, said right back knife (12) is smaller along an end connected with said frame (1) toward an end far from said frame (1), said left back knife (14) is of a semicircular arc structure, and said left back knife (14) is smaller along an end connected with said frame (1) toward an end far from said frame (1).

10. The electrohydraulic control cutting head clamping device according to claim 1, characterized in that the end of the frame (1) is connected with a deliberate knife (7), the deliberate knife (7) is V-shaped along its transverse direction, and the deliberate knife (7) is circular arc-shaped along its longitudinal direction.