CN215380018U

CN215380018U - Novel rake

Info

Publication number: CN215380018U
Application number: CN202122173818.1U
Authority: CN
Inventors: 刘爱英
Original assignee: Heilongjiang Mubat Technology Co ltd
Current assignee: Longjiang Wanhe Machinery Manufacturing Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-01-04
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a novel rake, and belongs to the technical field of agricultural implements. The grass raking machine comprises a main frame, a trailer rod, wheels, trunnion seats, swing arms, hydraulic cylinders, fixed beams, a buffering energy absorber, a fixed beam adjusting lever, a grass raking plate, a movable hinged frame and a tripod, wherein the grass raking range is adjustable, the width of a ridge is also adjustable, the frame body of the grass raking machine is connected with the grass raking plate through the buffering energy absorber, the ground resistance borne by the grass raking plate is buffered through a U-shaped rod in the grass raking process, the force borne by a rotating shaft of the grass raking plate is reduced, the hard impact between the grass raking plate and the frame body is avoided, the stability of the machine is improved in the working process, the load received by the grass raking plate is reduced, the service life of the grass raking plate is prolonged, meanwhile, the grass raking plate can fluctuate along with the change of terrain by taking the U-shaped rod as a swing arm, the vibration reduction is realized through a shock absorber, the grass raking plate is always kept attached to the ground, and the grass raking efficiency is ensured, the rake has wider application range.

Description

Novel rake

Technical Field

The utility model relates to a novel rake, and belongs to the technical field of agricultural implements.

Background

The rake is an agricultural machine capable of uniformly collecting large-area weeds, straws and the like on the ground into a long ridge. A common rake is a traction rake, which is towed on an agricultural tractor and is pulled by the power of the tractor to rake grass. Because the place that a lot of crops were planted is not level and smooth, lead to the rake hardly to use on its place, and when using the rake in relatively flat place, the condition of raking the grass dish also breaks often, buckling, in case the rake dish breaks down, the rake effect directly receives the influence, can't continue work even, and the rake dish operates under long-time high load moreover, also lead to the rake support body to take place deformation easily, lead to the rake life to descend by a wide margin, the grass dish is raked in relapse change, use cost has also been improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects in the prior art, the utility model provides a novel rake which is connected with a rake disc through a buffering energy absorber, so that the stability of a machine is improved in the working process, the load received by the rake disc is reduced, the service life of the rake disc is prolonged, the service life of a frame body is prolonged, and meanwhile, the rake disc can fluctuate up and down along with the change of terrain, so that the application range is wider.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a novel rake comprises a main frame, a trailer rod, wheels, trunnion seats, swing arms, hydraulic cylinders, fixed beams, a buffering energy absorber, a fixed beam adjusting lever, a rake disc, a movable hinged frame and a tripod, wherein the main frame is a rectangular frame body, the wheels are installed at the bottoms of two sides of the main frame, the trailer rod is hinged at the front end of the main frame, the tripod is welded above the main frame, an adjusting rod is arranged between the trailer rod and the tripod, the trunnion seats are fixedly connected with the two sides of the tripod at the top of the main frame, swing arms hinged with the trunnion seats are arranged in the trunnion seats, the hydraulic cylinders are connected between the side walls of the swing arms and the end parts of the tripod, the tail ends of the hydraulic cylinders are hinged on the tripod, the end parts of telescopic rods of the hydraulic cylinders are hinged with the side walls of the swing arms, the hydraulic cylinders are connected with a hydraulic system of the rake, the angle of the swing arms is controlled by controlling the extending length of the telescopic rods, the movable hinged frames are hinged at the tops of the swing arms, the fixed beams are fixed on the movable hinged frames through screw handles, fixed beam and body frame are connected through the fixed beam adjusting lever between, and fixed beam adjusting lever bottom passes through the universal joint with the body frame and is connected, and fixed beam adjusting lever top is articulated with the body frame, and through the length of adjusting the fixed beam adjusting lever, the angle of steerable high roof beam to control rake the careless scope of during operation, be equipped with the several on the fixed beam and hug the careless board through the fixed buffering energy-absorbing device.

Further, the buffering energy absorption device comprises a pipe clamp, a shaft seat, a shaft sleeve, a U-shaped rod and a shock absorber, the pipe clamp is sleeved on the fixed beam, the end part of the pipe clamp is fixed on the fixed beam after being screwed by screws, the shaft sleeve is fixedly connected on the side wall of the pipe clamp outside the fixed beam, the shaft seat is fixedly connected on the side wall of the pipe clamp inside the fixed beam, the cross rod on one side of the U-shaped rod is long, the cross rod on one side is end, the middle part of the U-shaped rod is an arc-shaped rod body and has certain toughness, the arc-shaped rod body part of the U-shaped lever is positioned inside the fixed beam, the long cross rod end is positioned below the fixed beam, the short cross rod end is positioned above the fixed beam, the U-shaped rod end at the lower end is sleeved on the shaft sleeve through a rotating shaft, a hinging seat is arranged on the side wall of the long cross rod of the U-shaped rod below the fixed beam, the hinging seat is hinged with the shock absorber, the other end of the shock absorber is hinged with the shaft seat on the same inside, the rotating shaft of the grass raking disc is sleeved on the short cross rod end of the U-shaped rod above the fixed beam, when the raking machine works, the swing arm is unfolded to be horizontal, the arc-shaped rod part of the U-shaped rod is positioned above the fixed beam, the raking plate is positioned outside the fixed beam, when the raking plate is stressed in the raking process, the raking plate which is originally directly connected with the shaft sleeve is connected with the shaft sleeve through the U-shaped rod, part of the stress is decomposed through the elastic deformation of the arc-shaped rod part of the U-shaped rod, after the component force is decomposed, the component force is transmitted to the long transverse rod end sleeved on the shaft sleeve, the rigid collision at the shaft sleeve is avoided, the service life of the shaft sleeve is prolonged, the raking plate is sleeved on the short transverse rod of the U-shaped rod, the center of the rotating shaft of the raking plate and the shaft sleeve are thrown away by a certain distance, the shock absorber is arranged on the long transverse rod, when the raking plate is rolled on the high-low-fluctuating ground, the rod body part of the raking plate which exceeds the short transverse rod is a swing arm and floats up and is used as a buffer through the shock absorber on the long transverse rod, and is always kept in contact with the ground, making the device suitable for more complex terrain.

Furthermore, the trunnion seat outside the swing arm is inserted with a limit pin for limiting the swing arm to swing outwards, when the swing arm is not in use, the hydraulic oil cylinder keeps in a contraction state, the swing arm keeps in a vertical posture, and when the swing arm is not in use, if the connection of the hydraulic oil cylinder fails, the swing arm can be suddenly swung out, serious accidents occur, and the limit pin starts a perfect protection effect.

Swing arm for by the outer tube, flexible pipe and locating pin constitute, the outer tube bottom is articulated with the trunnion seat, is equipped with flexible pipe in the outer tube, the locating hole of several equidistant is all seted up with flexible pipe lateral wall to the outer tube, inserts the locating hole through the locating pin after with outer tube and flexible pipe fixed connection, adjust the length that stretches out of flexible pipe, can adjust the thick stick at the fixed beam and adjust the back of hugging the careless scope, the ridge size of beating after the grass is hugged to further control rake.

The utility model has the beneficial effects that: the utility model solves the problems of short service life, high failure rate and small applicable field range of the prior rake, and provides a novel rake, the rake range is adjustable, the width of the ridge is adjustable as well, each part is modularized to be installed, the maintenance, the disassembly and the replacement are convenient, the rake frame body is connected with the rake disc through a buffering energy absorber, the ground resistance borne by the rake disc is buffered through a U-shaped rod in the rake process, the force borne by the rotating shaft of the rake disc is reduced, the hard impact between the rake disc and the frame body is avoided, the stability of the machine is improved in the working process, the load received by the rake disc is reduced, the service life of the rake disc is prolonged, the service life of the frame body is prolonged, meanwhile, the rake disc can fluctuate along with the change of terrain by taking the U-shaped rod as a swinging arm, the vibration reduction is realized through a vibration damper, and the rake disc is always kept to be attached to the ground, the grass raking efficiency is guaranteed, and the application range of the grass raker is wider.

Drawings

The utility model is further described with reference to the following figures and detailed description.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a partial structural schematic diagram of the present invention.

Fig. 4 is a schematic view of the frame structure of the present invention.

Fig. 5 is a schematic structural view of a frame body part of the present invention.

FIG. 6 is a partial structural view of the energy absorption and buffering device of the present invention.

FIG. 7 is a partial structural view of the energy absorption and buffering device of the present invention.

FIG. 8 is a schematic structural view of the energy absorbing and buffering device of the present invention.

Fig. 9 is a schematic view of the structure of the present invention in use.

Fig. 10 is a diagram of the working state of the present invention.

Reference numbers in the figures:

1. the body frame, 2, trailer pole, 3, wheel, 4, trunnion seat, 5, swing arm, 6, spacer pin, 7, hydraulic cylinder, 8, fixed beam, 9, buffering energy-absorbing device, 10, fixed beam adjusting lever, 11, rake grass dish, 12, activity articulated frame, 13, tripod, 91, pipe strap, 92, axle bed, 93, axle sleeve, 94, U type pole, 95, shock absorber.

Detailed Description

As shown in figures 1-10, a novel rake comprises a main frame 1, a trailer rod 2, wheels 3, trunnion seats 4, swing arms 5, hydraulic cylinders 7, a fixed beam 8, a buffering energy absorber 9, a fixed beam adjusting lever 10, a rake disc 11, a movable hinged frame 12 and a tripod 13, wherein the main frame 1 is a rectangular frame body, the wheels 3 are arranged at the bottoms of two sides, the front end of the main frame 1 is hinged with the trailer rod 2, the tripod 13 is welded above the main frame 1, an adjusting rod is arranged between the trailer rod 2 and the tripod 13, the trunnion seats 4 are fixedly connected with two sides of the tripod 13 at the top of the main frame 1, swing arms 5 hinged with the trunnion seats are arranged in the trunnion seats 4, the hydraulic cylinders 7 are connected between the side walls of the swing arms 5 and the end parts of the tripod 13, the tail ends of the hydraulic cylinders 7 are hinged on the tripod 13, the end parts of telescopic rods of the hydraulic cylinders 7 are hinged with the side walls of the swing arms 5, and the hydraulic cylinders 7 are connected with a hydraulic traction hydraulic system, through the angle of the length control swing arm 5 that the control telescopic link stretches out, all articulated at 5 tops of swing arm have activity articulated frame 12, it is fixed with fixed beam 8 to close through the screw on the activity articulated frame 12, fixed beam 8 is connected through fixed beam adjusting lever 10 with the body frame 1 within a definite time, fixed beam adjusting lever 10 bottom is connected through the universal joint with body frame 1, fixed beam adjusting lever 10 top is articulated with body frame 1, through the length of adjusting fixed beam adjusting lever 10, steerable height beam 8's angle, thereby control rake during operation hug careless scope, it hugs careless board 11 through buffering energy-absorbing device 9 is fixed to be equipped with the several on fixed beam 8.

Further, the buffering energy-absorbing device 9 is composed of a pipe clamp 91, a shaft seat 92, a shaft sleeve 93, a U-shaped rod 94 and a shock absorber 95, the pipe clamp 91 is sleeved on the fixed beam 8, the end part of the pipe clamp 91 is fixed on the fixed beam 8 after being screwed by screws, the shaft sleeve 93 is fixedly connected on the side wall of the pipe clamp 91 outside the fixed beam 8, the shaft seat 92 is fixedly connected on the side wall of the pipe clamp 91 inside the fixed beam 8, the cross rod at one side of the U-shaped rod 94 is long, the cross rod at one side is end of the U-shaped rod 94, the middle part of the U-shaped rod is an arc-shaped rod body and has certain toughness, the arc-shaped rod body part of the U-shaped lever 94 is positioned inside the fixed beam 8, the long cross rod end is positioned below the fixed beam 8, the short cross rod end is positioned above the fixed beam 8, the end part of the U-shaped rod 94 at the lower end is sleeved on the shaft sleeve 93 by a rotating shaft, the hinge seat is arranged on the side wall of the long cross rod 94 below the fixed beam 8, the shock absorber 95 is hinged on the seat, the other end of the shock absorber 95 is hinged with the shaft seat 92 which is arranged on the inner side, the rotating shaft of the grass raking plate 11 is sleeved on the end part of the short cross rod of the U-shaped rod 94 above the fixed beam 8, when the grass raking machine works, the swing arm 5 is unfolded to be horizontal, the arc-shaped rod part of the U-shaped rod 94 is positioned above the fixed beam 8, the grass raking plate 11 is positioned outside the fixed beam 8, when the grass raking plate 11 is stressed in the grass raking process, the grass raking plate 11 which is originally and directly connected with the shaft sleeve 93 is connected with the shaft sleeve 93 through the U-shaped rod 94, part of force is decomposed through the elastic deformation of the arc-shaped rod part of the U-shaped rod 94, after the component force is decomposed, the component force is transmitted to the long cross rod end sleeved on the shaft sleeve 93, the hard collision at the shaft sleeve 93 is avoided, the service life of the shaft sleeve 93 is prolonged, the grass raking plate 11 is sleeved on the short cross rod of the U-shaped rod 94, the rotating shaft center of the grass raking plate 11 is separated from the shaft sleeve 93, and the long cross rod is provided with the shock absorber 95, when hugging careless dish 11 roll extrusion on the ground of height fluctuation, hug careless dish 11 and surpass the body of rod part of short horizontal pole for the swing arm, fluctuate to through the bumper shock absorber 95 on the long horizontal pole as the buffering, and make it remain all the time and ground contact, make the device be fit for more complicated topography.

Furthermore, a limiting pin 6 for limiting the swing of the swing arm 5 is inserted into the trunnion seat 4 on the outer side of the swing arm 5, the hydraulic oil cylinder 7 keeps in a contraction state under the non-use state, the swing arm 5 keeps in an upright posture, and if the connection of the hydraulic oil cylinder 7 fails, the swing arm 5 suddenly swings out to cause serious accidents, and the limiting pin 6 starts a perfect protection effect.

Swing arm 5 for constitute by outer tube, flexible pipe and locating pin, the outer tube bottom is articulated with trunnion seat 3, is equipped with flexible pipe in the outer tube, the locating hole of several equidistant is all seted up with flexible pipe lateral wall to the outer tube, inserts the locating hole through the locating pin after with outer tube and flexible pipe fixed connection, adjust the length that stretches out of flexible pipe, can adjust at fixed beam regulating lever 10 and hug careless scope after, the ridge size of beating after the grass is hugged to further control rake.

Claims

1. A novel rake, its characterized in that: comprises a main frame (1), a trailer rod (2), wheels (3), trunnion seats (4), swing arms (5), hydraulic oil cylinders (7), a fixed beam (8), a buffering energy-absorbing device (9), a fixed beam adjusting lever (10), a grass raking disc (11), a movable articulated frame (12) and a triangular frame (13), wherein the main frame (1) is a rectangular frame body, the bottoms of two sides are provided with the wheels (3), the front end of the main frame (1) is articulated with the trailer rod (2), the triangular frame (13) is welded above the main frame (1), an adjusting rod is arranged between the trailer rod (2) and the triangular frame (13), the two sides of the triangular frame (13) at the top of the main frame (1) are fixedly connected with the trunnion seats (4), the swing arms (5) articulated with the trunnion seats are arranged in the trunnion seats (4), the hydraulic oil cylinders (7) are respectively connected between the side walls of the swing arms (5) and the end parts of the triangular frame (13), and the tail ends of the hydraulic oil cylinders (7) are articulated on the triangular frame (13), the end part of a telescopic rod of the hydraulic oil cylinder (7) is hinged with the side wall of the swing arm (5), the hydraulic oil cylinder (7) is connected with a hydraulic system of the traction vehicle, the angle of the swing arm (5) is controlled by controlling the extending length of the telescopic rod, the top end of the swing arm (5) is hinged with a movable hinged frame (12), the movable hinged frame (12) is fixed with a fixed beam (8) through a screw handle, the fixed beam (8) is connected with the main frame (1) through a fixed beam adjusting lever (10), the bottom of the fixed beam adjusting lever (10) is connected with the main frame (1) through a universal joint, the top end of the fixed beam adjusting lever (10) is hinged with the main frame (1), and the length of the fixed beam adjusting lever (10) is adjusted through adjusting the fixed beam, the angle of the fixed beam (8) can be controlled, thereby controlling the grass raking range of the rake when in work, a plurality of grass raking discs (11) fixed by a buffering energy absorption device (9) are arranged on the fixed beam (8).

2. The novel rake of claim 1, wherein: the buffering energy absorption device (9) is composed of a pipe clamp (91), a shaft seat (92), a shaft sleeve (93), a U-shaped rod (94) and a shock absorber (95), the pipe clamp (91) is sleeved on a fixed beam (8), the end part of the pipe clamp (91) is fixed on the fixed beam (8) after being screwed by screws, the side wall of the pipe clamp (91) at the outer side of the fixed beam (8) is fixedly connected with the shaft sleeve (93), the side wall of the pipe clamp (91) at the inner side of the fixed beam (8) is fixedly connected with the shaft seat (92), one side transverse rod of the U-shaped rod (94) is long, one side transverse rod is long, the other side transverse rod is end, the middle part of the U-shaped rod is an arc-shaped rod body and has certain toughness, the arc-shaped rod body part of the U-shaped rod (94) is positioned at the inner side of the fixed beam (8), the long transverse rod end is positioned below the fixed beam (8), the short transverse rod end is positioned above the fixed beam (8), the end part of the U-shaped rod (94) at the lower end is sleeved on the shaft sleeve (93) through a rotating shaft, be located the long horizontal pole lateral wall of U type pole (94) of fixed beam (8) below and be equipped with articulated seat, articulated on the articulated seat have shock absorber (95), shock absorber (95) other end and with axle bed (92) at the inboard articulated, the pivot cover of raking careless dish (11) is on the short horizontal pole tip of fixed beam (8) top U type pole (94), rake during operation, swing arm (5) expand to the level, the arc pole part of U type pole (94) is located fixed beam (8) top, raking careless dish (11) and being located fixed beam (8) outside.

3. The novel rake of claim 1, wherein: a limit pin (6) for limiting the swing of the swing arm (5) is inserted into the trunnion seat (4) at the outer side of the swing arm (5).

4. The novel rake of claim 1, wherein: the swing arm (5) comprises an outer sleeve, a telescopic pipe and a positioning pin, the bottom end of the outer sleeve is hinged with the trunnion seat (4), the telescopic pipe is arranged in the outer sleeve, a plurality of positioning holes with equal intervals are formed in the side walls of the outer sleeve and the telescopic pipe, and the outer sleeve and the telescopic pipe are fixedly connected after the positioning pin is inserted into the positioning holes.