CN218967011U

CN218967011U - Double-steering hand-held modified conveyor

Info

Publication number: CN218967011U
Application number: CN202223395976.2U
Authority: CN
Inventors: 黄启武; 夏国栋; 陈日春; 李彩迎; 陈换新; 陈朝宇; 陈朝华; 杨艳丽; 韦星宇
Original assignee: NANNING WUTUO MACHINERY CO Ltd
Current assignee: NANNING WUTUO MACHINERY CO Ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-05-05
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses a double-steering hand-held variable conveyor, which solves the problem that the existing hand-held variable conveyor is too large in turning radius and difficult to turn on a narrow road. The hand-held modified conveyor comprises a front frame and a rear frame, wherein the front frame is hinged with the rear frame, a steering telescopic cylinder for pushing the front frame to turn is hinged on one side of the front frame and one side of the rear frame, and the hand-held modified conveyor is characterized in that a driving mechanism for driving wheels to rotate is arranged on the other side of the front frame and the other side of the rear frame, the driving mechanism is connected with a steering structure of a front axle hub of the conveyor, an integrated gearbox is arranged on the rear frame, and the gearbox is connected with a front axle of the front wheel through a front transmission shaft. According to the double-steering hand-held modified conveyor, the linkage mechanisms are arranged on the front frame and the rear frame, so that the whole conveyor is flexible in steering and small in turning radius, the passing capacity of vehicles is improved, and the aim of safe running is fulfilled.

Description

Double-steering hand-held modified conveyor

Technical Field

The utility model relates to the technical field of hand-held variable conveyors, in particular to a double-steering hand-held variable conveyor.

Background

The roads in hilly and mountainous areas and fields in vast rural areas in China are generally different in size. In order to enlarge the cultivated area, some field roads and roads leading to the field are relatively narrow and are not straight, and many cargo vehicles are difficult to pass because of the large turning radius of the general vehicles. In order to meet the use requirement, a hand-held variable conveyor appears in the market, which is a trailer based on a hand tractor and then connected in a dumpling way, and is mainly characterized in that: the differential mechanism is added to change hand steering into steering wheel steering, so that the vehicle can turn conveniently.

When the model WT15FS conveyor is used, the front frame and the rear frame are connected together through the hinge points in the articulated steering, and the articulated steering is realized by synchronously pushing the front frame to swing left and right through the steering telescopic cylinder, but in the turning process, the turning radius of the vehicle is overlarge because the wheels and the front frame are in a parallel state, and the vehicle is difficult to turn on some narrow roads, so that the vehicle cannot turn.

Disclosure of Invention

The utility model aims to solve the technical problems of the prior art, and provides a double-steering hand-held modified conveyor, which is characterized in that a linkage mechanism is arranged on a front frame and a rear frame, so that the whole conveyor is flexible in steering and small in turning radius, the passing capacity of a vehicle is improved, and the aim of safe running is fulfilled.

The technical scheme adopted by the utility model is as follows: the utility model provides a two hand variant conveyers that turn to, includes preceding frame and back frame, preceding frame and back frame articulated, preceding frame and back frame on one side articulated have the steering telescopic cylinder that is used for promoting preceding frame turn, its characterized in that, preceding frame and back frame on be equipped with the pivoted actuating mechanism of drive wheel's the opposite side, actuating mechanism be connected with the front axle wheel hub's of conveyer steering structure, back frame on be equipped with integrated type gearbox, the gearbox be connected with the front axle of front wheel through the front transmission shaft, the gearbox be connected with the rear axle of rear wheel through the rear transmission shaft.

As a further improvement, the driving mechanism comprises a first linkage rod, a second linkage rod, a linkage piece and a steering swing arm, wherein the linkage piece is rotationally connected to the front frame, one end of the first linkage rod is rotationally connected with the upper portion of the rear frame, the other end of the first linkage rod is rotationally connected with the upper end of the linkage piece, the lower end of the linkage piece is rotationally connected with the second linkage rod, the other end of the second linkage rod is rotationally connected with the steering swing arm, and the steering swing arm is connected with the steering mechanism of the front axle hub.

Further, the linkage piece include linkage pivot, linkage upper swing arm, linkage lower swing arm, the linkage pivot rotate and connect on preceding frame, first gangbar and linkage upper swing arm one end rotate and be connected, the linkage upper swing arm other end be connected with linkage pivot upper end, linkage pivot lower extreme be connected with linkage lower swing arm one end, the linkage lower swing arm other end rotate and be connected with the second gangbar.

Further, the linkage upper swing arm and the linkage lower swing arm are arranged on the same side of the linkage rotating shaft, and the linkage upper swing arm and the linkage lower swing arm are arranged in parallel.

Further, the linkage upper swing arm, the linkage lower swing arm and the linkage rotating shaft are of an integrated structure.

Further, a rotating shaft sleeve is arranged between the linkage rotating shaft and the front frame.

Further, the number of the rear wheels is four, the number of the front wheels is two, and the rear wheels and the front wheels are uniformly distributed on two sides.

Further, a rear suspension arranged on the rear frame is a longitudinal plate spring type non-independent suspension.

Advantageous effects

Compared with the prior art, the utility model has the following advantages:

according to the double-steering hand-held variable conveyor, when the steering telescopic cylinder on the right stretches to push the front frame to rotate left, the rotating shaft sleeve is fixed on the front frame, so that the rotating shaft sleeve and the linkage rotating shaft rotate left along with the front frame, the distance between the linkage rotating shaft and the rear frame is shortened, the first linkage rod with fixed length pushes the linkage upper swing arm to move forward, and the linkage lower swing arm pushes the second linkage rod to move forward because the linkage upper swing arm, the linkage rotating shaft and the linkage lower swing arm are of an integrated structure, the second linkage rod pushes the steering swing arm to rotate, the purpose of pushing the steering swing arm to steer the front axle hub is achieved, and the steering telescopic cylinder retracts inversely. The dual-steering linkage mechanism with the functions of bowing steering and front axle hub synchronous steering is adopted, the purposes of flexible steering, small turning radius, compact structure of the whole machine, reduction of vibration and high-efficiency transmission are achieved, meanwhile, the speed control of front wheels and rear wheels shares the same group of gearboxes, machine damage caused by asynchronous front and rear driving due to misoperation is avoided, the number of operating handles is reduced, light and concise operation and synchronous driving of each gear are achieved, the driving mode of the transport vehicle adopts a four-wheel driving mode, and the four-wheel driving type transport vehicle has strong adaptability and passing ability when passing through roads with poor adhesion properties such as mud and uneven, greatly improves the climbing ability of a hand-held modified transport vehicle, and has the characteristics of strong practicability and wide application range.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic top view of the present utility model in a cornering situation;

FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 3;

FIG. 5 is an enlarged schematic view of the front view of the driving mechanism according to the present utility model;

fig. 6 is an enlarged schematic side view of the driving mechanism of the present utility model.

Wherein: the bicycle comprises a 1-front frame, a 2-rear frame, a 3-steering telescopic cylinder, a 4-driving mechanism, a 5-linkage, a 6-gearbox, a 7-front transmission shaft, an 8-rear transmission shaft, a 9-rear wheel, a 10-front wheel, an 11-rear suspension, a 12-front axle hub, a 41-steering swing arm, a 42-second linkage rod, a 43-first linkage rod, a 51-linkage upper swing arm, a 52-rotating shaft sleeve, a 53-linkage rotating shaft and a 54-linkage lower swing arm.

Detailed Description

The utility model will be further described with reference to specific embodiments in the drawings.

Referring to fig. 1-6, the double-steering hand-held modified conveyor comprises a front frame 1 and a rear frame 2, wherein the front frame 1 is hinged with the rear frame 2, one side of the front frame 1 and one side of the rear frame 2 are hinged with a steering telescopic cylinder 3 for pushing the front frame 1 to turn, the other side of the front frame 1 and the other side of the rear frame 2 are provided with a driving mechanism 4 for driving wheels to rotate, the driving mechanism 4 is connected with a steering structure of a front axle hub 12 of the conveyor, the rear frame 2 is provided with an integrated gearbox 6, the gearbox 6 is connected with a front axle of a front wheel 10 through a front transmission shaft 7, the gearbox 6 is connected with a rear axle of a rear wheel 9 through a rear transmission shaft 8, the front wheel and the rear wheel are driven to run by using the same group of gearboxes 6, the machine damage caused by the asynchronous front and rear driving due to misoperation is avoided, the number of operating handles is reduced, the operation is light and simple, and each gear is driven synchronously, the driving mode of the transport vehicle adopts a four-wheel driving mode, has strong adaptability and passing capability when passing a road with poor adhesion performance such as mud and uneven road, greatly improves the climbing capability of the hand-held transport vehicle, when the hand-held transport vehicle turns leftwards, the right steering telescopic cylinder 3 stretches and pushes the front frame 1 to turn leftwards, the rotating shaft sleeve 52 and the linkage rotating shaft 53 rotate leftwards along with the front frame 1 because the rotating shaft sleeve 52 is fixed on the front frame, so that the distance between the linkage rotating shaft 53 and the rear frame 2 is shortened, the first linkage rod 43 with fixed length pushes the linkage upper swing arm 51 forwards, the linkage upper swing arm 51, the linkage rotating shaft 53 and the linkage lower swing arm 54 are of an integrated structure, the linkage lower swing arm 51 pushes the second linkage rod 42 forwards, the second linkage rod 42 pushes the steering swing arm 41 to rotate, so as to achieve the purpose of pushing the steering swing arm 41 to steer the front axle hub 12, and the steering telescopic cylinder 3 is retracted otherwise. The driving mechanism 4 and the steering telescopic cylinder 3 form a double steering linkage mechanism, and the double steering linkage mechanism of articulated steering and synchronous steering of the front axle hub 12 is adopted, so that the purposes of flexible steering, small turning radius, compact structure of the whole machine, reduction of vibration and high-efficiency transmission are realized.

Specifically, the driving mechanism 4 includes a first linkage rod 43, a second linkage rod 42, a linkage member 5 and a steering swing arm 41, the linkage member 5 is rotationally connected to the front frame 1, one end of the first linkage rod 43 is rotationally connected to the upper portion of the rear frame 2, the other end of the first linkage rod 43 is rotationally connected to the upper end of the linkage member 5, the lower end of the linkage member 5 is rotationally connected to the second linkage rod 42, the other end of the second linkage rod 42 is rotationally connected to the steering swing arm 41, and the steering swing arm 41 is rotationally connected to the steering mechanism of the front axle hub 12.

Preferably, the linkage member 5 comprises a linkage rotating shaft 53, a linkage upper swing arm 51 and a linkage lower swing arm 54, the linkage rotating shaft 53 is rotatably connected to the front frame 1, the first linkage rod 43 is rotatably connected with one end of the linkage upper swing arm 51, the other end of the linkage upper swing arm 51 is connected with the upper end of the linkage rotating shaft 53, the lower end of the linkage rotating shaft 53 is connected with one end of the linkage lower swing arm 54, and the other end of the linkage lower swing arm 54 is rotatably connected with the second linkage rod 42.

Further, the upper linkage swing arm 51 and the lower linkage swing arm 54 are arranged on the same side of the linkage rotating shaft 53, and the upper linkage swing arm 51 and the lower linkage swing arm 54 are arranged in parallel, so that when the first linkage rod 43 pushes the upper linkage swing arm 51 forward, the lower linkage swing arm 54 also rotates forward, and accordingly the steering swing arm 4 can be pushed, the front axle hub 12 rotates by a certain angle, the turning radius is small, the vehicle can turn on a narrow road, and the practicability of the vehicle is improved.

Further, the upper swing arm 51, the lower swing arm 54 and the rotating shaft 53 are integrally connected, so that the generation of later welding stress is reduced, and the connection part is prevented from being broken easily.

Further, be equipped with pivot cover 52 between linkage pivot 53 and the preceding frame 1, prevent that linkage pivot 53 and preceding frame 1 from directly rotating to be connected, wear and tear preceding frame 1, lead to the hole site of junction too big, unable firm installation linkage pivot 53, pivot cover 52 plays the effect of protection.

Further, the number of the rear wheels 9 is four, the number of the front wheels 10 is two, the rear wheels 9 and the front wheels 10 are uniformly distributed on two sides, and the rear wheels 9 are in single-side two-sided configuration, so that the carrier vehicle can carry more heavy goods.

Further, the rear suspension 11 arranged on the rear frame 2 is a longitudinally-arranged leaf spring type non-independent suspension, which is beneficial to properly enlarging the wheel distance with the front wheel 10, and realizes stable load running, safety and reliability.

When the double-steering hand-held variable conveyer is used, the same group of gearboxes 6 is used for driving front wheels and rear wheels to run, the machine damage caused by asynchronous front and rear driving due to misoperation is avoided, the number of operating handles is reduced, the operation is light and simple, synchronous driving of each gear is realized, the driving mode of the conveyer adopts a four-wheel driving mode, when the conveyer passes through roads with poor adhesion performance such as mud and uneven, the applicability and the passing capacity are very strong, the climbing capacity of the hand-held variable conveyer is greatly improved, when the hand-held variable conveyer turns leftwards, the steering telescopic cylinder 3 on the right side extends and pushes the front frame 1 to rotate leftwards, the rotating shaft sleeve 52 and the linkage rotating shaft 53 are fixed on the front frame 1 to rotate leftwards, the distance between the linkage rotating shaft 53 and the rear frame 2 is shortened, the first linkage rod 43 with fixed length pushes the upper swinging arm 51 forwards, the second linkage swinging arm 42 is pushed forwards by the upper swinging arm 53 and the linkage lower swinging arm 54, the second linkage swinging arm 42 is pushed forwards, and the steering telescopic cylinder 42 is pushed forwards by the steering telescopic arm 41 is pushed reversely, and the steering telescopic arm 41 is pushed forwards, and the steering wheel is steered and the steering wheel telescopic arm is steered. The double-steering hand-held modified conveyor adopts the double-steering linkage mechanism of bowing steering and synchronous steering of the front axle hub 12, so that the turning radius of a vehicle can be reduced, the vehicle can smoothly pass through, and the purposes of large torsion, strong bearing and easiness in maintenance are realized by adopting front and rear four-wheel drive.

While only the preferred embodiments of the present utility model have been described above, it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these do not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims

1. The utility model provides a two hand variant conveyers that turn to, its characterized in that includes preceding frame (1) and back frame (2), preceding frame (1) articulated with the front axle of back frame (2) on one side have and be used for promoting the flexible jar (3) of turning of preceding frame (1), its characterized in that, preceding frame (1) be equipped with driving wheel pivoted actuating mechanism (4) on the opposite side of back frame (2), actuating mechanism (4) be connected with the steering structure of front axle wheel hub (12) of conveyer, back frame (2) on be equipped with integral type gearbox (6), gearbox (6) be connected with the front axle of front wheel (10) through preceding transmission shaft (7), gearbox (6) be connected with the rear axle of rear wheel (9) through rear transmission shaft (8).

2. The double-steering hand-held modified conveyor according to claim 1, wherein the driving mechanism (4) comprises a first linkage rod (43), a second linkage rod (42), a linkage piece (5) and a steering swing arm (41), the linkage piece (5) is rotationally connected to the front frame (1), one end of the first linkage rod (43) is rotationally connected to the upper portion of the rear frame (2), the other end of the first linkage rod (43) is rotationally connected to the upper end of the linkage piece (5), the lower end of the linkage piece (5) is rotationally connected to the second linkage rod (42), the other end of the second linkage rod (42) is rotationally connected to the steering swing arm (41), and the steering swing arm (41) is rotationally connected to the steering mechanism of the front axle hub (12).

3. The double-steering hand-held modified conveyor according to claim 2, wherein the linkage member (5) comprises a linkage rotating shaft (53), a linkage upper swing arm (51) and a linkage lower swing arm (54), the linkage rotating shaft (53) is rotationally connected to the front frame (1), the first linkage rod (43) is rotationally connected with one end of the linkage upper swing arm (51), the other end of the linkage upper swing arm (51) is connected with the upper end of the linkage rotating shaft (53), the lower end of the linkage rotating shaft (53) is connected with one end of the linkage lower swing arm (54), and the other end of the linkage lower swing arm (54) is rotationally connected with the second linkage rod (42).

4. A double-steering hand-held modified conveyor according to claim 3, characterized in that the upper swing arm (51) and the lower swing arm (54) are arranged on the same side of the linkage shaft (53), and the upper swing arm (51) and the lower swing arm (54) are arranged in parallel.

5. A double-steering hand-held modified conveyor according to claim 3, wherein the upper swing arm (51), the lower swing arm (54) and the rotating shaft (53) are integrally formed.

6. A double-steering hand-held modified conveyor according to claim 3, characterized in that a swivel sleeve (52) is arranged between the linkage swivel shaft (53) and the front frame (1).

7. The double-steering hand-held modified conveyor according to claim 1, wherein the number of the rear wheels (9) is four, the number of the front wheels (10) is two, and the rear wheels (9) and the front wheels (10) are uniformly distributed on two sides.

8. A double-steering hand-held transport according to claim 1, characterized in that the rear suspension (11) mounted on the rear frame (2) is a longitudinally arranged leaf spring type non-independent suspension.