CN216301044U

CN216301044U - Full trailer with improved braking performance

Info

Publication number: CN216301044U
Application number: CN202120658656.8U
Authority: CN
Inventors: 林福长; 林睦发; 郑正同; 黄良税
Original assignee: Fuzhou Liangzheng Machinery Co ltd
Current assignee: Fuzhou Liangzheng Machinery Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2022-04-15
Anticipated expiration: 2031-03-31

Abstract

The utility model relates to a full trailer with improved braking performance, which comprises a frame, at least one traveling device for driving the frame to move, at least one braking device for controlling the braking of the traveling device, and at least one traction connecting device for driving the traveling device to move, wherein the traction connecting device is pushed by external force, so that the traction connecting device drives the braking device, and the braking device is driven by the traction connecting device, so that the braking device controls the braking of the traveling device.

Description

Full trailer with improved braking performance

Technical Field

The utility model relates to the field of full trailers, in particular to a full trailer with improved braking performance.

Background

The load of the full trailer is borne by the full trailer and is connected with the locomotive only by a hook. The locomotive need not bear the trailer load but only provide power to assist the trailer in overcoming the frictional resistance of the road surface. The full trailer is mainly used for transportation in wharfs, factories, ports and other fields.

The full-trailer type platform trailer is also called full trailer, platform trailer and trailer, generally adopts inflatable solid tyres, and has low plate height and large loading capacity. The danger of tire burst and tire burst is avoided. Safe, simple and durable. He is not himself powered and needs a tractor or a forklift for towing. A train of one or more flatbeds and a forklift or tractor is typically used for flat cargo or large equipment handling. The method is widely applied to airports, ports, railway stations, factories and large warehouses. The efficiency of goods transfer translation has greatly been improved. The consumption cost of the forklift and manpower is reduced.

Chinese utility model patent (application No. 200620133083.2, publication No. CN 200954832Y) discloses a full trailer with a straight-line reversing function, which comprises a frame longitudinal beam and a bogie longitudinal beam for steering the full trailer, wherein the frame longitudinal beam has a first hole, the bogie longitudinal beam has a second hole, wherein the full trailer further comprises a movable connecting piece, the movable connecting piece can be inserted into the first hole and the second hole, so that the frame longitudinal beam and the bogie longitudinal beam are relatively fixed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a full trailer with improved braking performance, which mainly aims to overcome the defect that the conventional full trailer is short of a braking structure.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a full trailer of brake performance improvement, includes a frame, at least one is used for driving running gear that the frame removed, at least one is used for controlling running gear brake braking's brake equipment and at least one is used for driving the traction connection device that running gear removed, traction connection device receives external force to promote, makes traction connection device drive brake equipment, brake equipment receives traction connection device drive makes brake equipment control running gear brake braking.

Furthermore, the traction connecting device comprises at least one traction head used for receiving traction force pulling, at least one pivoting steering unit and at least one brake connecting rod, wherein one end of the at least one pivoting steering unit is connected with the kinetic energy output end of the traction head, the other end of the at least one pivoting steering unit is connected with the other end of the brake connecting rod, the traction head pushes one end of the at least one pivoting steering unit, so that the at least one pivoting steering unit pivots, and the at least one pivoting steering unit pulls the brake connecting rod in a rotating mode, so that the brake connecting rod drives the brake device to control the walking device to brake.

The height adjusting device comprises at least one traction part for mounting the traction head, at least one swing arm unit for driving the traction part to swing up and down, and at least one first pivot shaft for connecting the swing arm unit and the traction part, wherein one end of the swing arm unit can be pivoted on one end of the traction part in a manner of swinging up and down.

Further, turn to the unit and include one locate third pin joint axle, a pin joint in on the traction portion vertically set up first connecting piece, one end and the second connecting piece that first connecting piece one end is connected, one are used for the pulling on the third pin joint axle the third connecting piece of brake connecting rod, the other end of first connecting piece with the traction head is connected, the other end pin joint of second connecting piece in the one end of third connecting piece, the other end pin joint of third connecting piece in the atress end of brake connecting rod, the third connecting piece install at first pin joint epaxial with first pin joint axle rotates as the axle center, first connecting piece with third pin joint axle is axle center horizontal hunting.

Furthermore, the middle part of the steering unit is pivoted to the third pivoting shaft, so that the two ends of the steering unit swing left and right by taking the third pivoting shaft as an axis.

Furthermore, the height adjusting device further comprises a first locking handle arranged on the first pivoting shaft, and the first locking handle is rotated to enable the traction part and the swing arm unit to be relatively fixed on the first pivoting unit.

Furthermore, the height adjusting device also comprises at least one second pivot shaft for connecting the swing arm unit and the frame, and the other end of the swing arm unit can be pivoted on one end of the frame in a vertically swinging manner.

Furthermore, the bicycle frame further comprises a second locking handle arranged on the second pivoting shaft, and the frame and the swing arm unit are relatively fixed on the second pivoting unit by rotating the second locking handle.

Furthermore, the lifting device further comprises a plurality of mechanical supporting legs which are arranged on the frame and can be adjusted in a telescopic mode, and the mechanical supporting legs extend to support the frame to lift so that the walking device is lifted off.

Furthermore, the walking device comprises two rear wheels which are respectively arranged on the left and the right of the frame, the brake device comprises a brake which is arranged on the rear wheels and used for controlling the brake of the rear wheels and a parking handle which is used for controlling the brake, and the parking handle is pulled to enable the brake to control the brake of the rear wheels.

Compared with the prior art, the utility model has the beneficial effects that:

1. the full trailer has a simple structure and strong practicability, when the tractor is parked, the full trailer continues to move forwards due to the inertia effect, so that a reverse interaction force is generated between the full trailer and the tractor, the traction connecting device is pushed by an external force, the traction connecting device drives the brake device, the brake device is driven by the traction connecting device, and the brake device controls the walking device to brake.

2. In the utility model, the traction ring is pushed by external force, so that the traction ring pushes one end of the steering unit, the steering unit is pivoted and rotated, the steering unit pulls the brake connecting rod in a rotating mode, and the brake connecting rod drives the brake device to control the walking device to brake.

3. In the utility model, the mechanical support legs which can be folded and adjusted in height are arranged to support the frame, so that the loading capacity and stability of the frame are improved.

4. According to the utility model, by arranging the first locking handle, a user can adjust an included angle between the swing arm unit and the traction part as required, and the user can rotate the first locking handle to fix the swing arm unit and the traction part.

5. In the utility model, by arranging the second locking handle, a user can adjust the included angle between the swing arm unit and the traction part as required, and the user can rotate the second locking handle to fix the swing arm unit and the traction head.

6. According to the utility model, by arranging the swing arm unit, a user can adjust the height of the traction part in an up-and-down swinging mode by adjusting the swing arm unit, so that the height of the traction ring can be adjusted, the traction ring can be adapted to tractors with different heights, and the connection between the traction ring and the tractors is convenient.

Drawings

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

Fig. 2 is a schematic structural diagram of direction B in fig. 1.

Fig. 3 is a structural view in the direction C of fig. 1, in which the parking lever is not shown.

Fig. 4 is a schematic structural view of a portion a in fig. 1.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Referring to fig. 1 and 2, a full trailer with improved braking performance comprises a frame 11, at least one tail lamp assembly 12 arranged on the rear part of the frame 11, at least one traveling device 1 for driving the frame 11 to move, at least one brake device 2 for controlling the brake of the traveling device 1, at least one traction connecting device 3 for driving the traveling device 1 to move, a height adjusting device 4 for adjusting the height of the traction head 13, at least one traction head 13 arranged on the front part of the frame 11, at least one mounting part 14 arranged on the traction head 13, at least one steering guide wheel 15 arranged on the lower part of the mounting part 14, a plurality of mechanical support legs 5 which are arranged on the frame 11 and can be telescopically adjusted, wherein the mechanical support legs 5 extend to support the frame 11 to ascend so that the traveling device 1 is lifted, in the embodiment where a tractor is used to pull the full trailer forward, the steer-wheels 15 may be cast iron steer-wheels.

Referring to fig. 1 and 2, the traveling device 1 includes two rear wheels 15 respectively disposed at left and right sides of a rear portion of the frame 11, the brake device 2 includes a brake 16 disposed on the rear wheels 15 for controlling braking of the rear wheels 15 and a parking handle 17 for controlling the brake 16, and the parking handle 17 is pulled so that the brake 16 controls braking of the rear wheels 15. A wheel cover 18 is covered above the rear wheel 15, and the brake 16 can be a drum brake 16.

Referring to fig. 1, 2 and 4, the height adjusting device 4 includes at least one pulling portion 21 for mounting the pulling ring 22, at least one swing arm unit 6 for driving the pulling portion 21 to swing up and down, at least one first pivot shaft 29 for connecting the swing arm unit 6 and the pulling portion 21, a first locking handle 25 disposed on the first pivot shaft 29, at least one second pivot shaft 32 for connecting the swing arm unit 6 and the frame 11, and a second locking handle 31 disposed on the second pivot shaft 32.

Referring to fig. 1, 2 and 4, one end of the traction portion 21 and one end of the swing arm unit 6 are pivotally connected to each other by a first pivot shaft 29, so that one end of the swing arm unit 6 is pivotally connected to one end of the traction portion 21 in a manner of swinging up and down, the other end of the swing arm unit 6 is pivotally connected to the frame 11 by a second pivot shaft 32, so that the other end of the swing arm unit 6 is pivotally connected to one end of the frame 11 in a manner of swinging up and down, and the other end of the specific swing arm unit 6 is pivotally connected to the front end of the traction head 13 in a manner of swinging up and down.

Referring to fig. 2, the swing arm unit 6 in this embodiment includes at least one first clamp plate 34 installed on one side of the traction part 21 and at least one second clamp plate 35 installed on the other side of the traction part 21,

referring to fig. 1 and 2, the rear portion of the traction portion 21 is interposed between the first clamp plate 34 and the second clamp plate 35, and the rear portion of the traction portion 21, the front portion of the first clamp plate 34, and the front portion of the second clamp plate 35 are mounted on the first pivot shaft 29 and rotate about the first pivot shaft 29.

Referring to fig. 1 and 2, the front portion of the traction head 13 is sandwiched between the first clamping plate 34 and the second clamping plate 35, and the front portion of the traction head 13, the rear portion of the first clamping plate 34 and the rear portion of the second clamping plate 35 are all mounted on the second pivot shaft 32 and rotate around the second pivot shaft 32.

Referring to fig. 1, the first locking handle 25 is rotated to fix the traction portion 21 and the swing arm unit 6 relative to each other on the first pivot shaft 29, and in this embodiment, the first locking handle 25 is rotated to fix the first clamping plate 34 and the second clamping plate 35 to the traction portion 21. The user adjusts the included angle between the swing arm unit 6 and the traction part 21 as required, and the user rotates the first locking handle 25 to fix the swing arm unit 6 and the traction part 21.

Referring to fig. 1, the second locking handle 31 is rotated to fix the frame 11 and the swing arm unit 6 relative to each other on the second pivot shaft 32, and in this embodiment, the second locking handle 31 is rotated to fix the first clamping plate 34 and the second clamping plate 35 to the traction head 13. The user adjusts the included angle between the swing arm unit 6 and the traction part 21 as required, and the user rotates the second locking handle 31 to fix the swing arm unit 6 and the traction head 13.

Referring to fig. 1, by arranging the swing arm unit 6, the user adjusts the height of the traction part 21 in a way of swinging up and down by adjusting the swing arm unit 6, so as to adjust the height of the traction ring 22, so that the traction ring 22 can be adapted to tractors with different heights, and the connection between the traction ring 22 and the tractors is facilitated.

Referring to fig. 1, the traction link device 3 includes at least one traction ring 22 for receiving traction force provided by the tractor, at least one pivotally rotatable steering unit 7, and at least one brake link 33 having one end connected to the brake device 2, in this embodiment, a lower portion of the parking handle 17 is connected to one end of the brake link 33, the parking handle 17 is pivotally connected to a second pivot shaft 32 on a front portion of the traction head 13, and the parking handle 17 rotates around the second pivot shaft 32.

Referring to fig. 4, one end of the steering unit 7 is connected to the kinetic energy output end of the traction ring 22, the other end of the steering unit 7 is connected to the other end of the brake link 33, the traction ring 22 is pushed by external force in this embodiment, so that the traction ring 22 pushes one end of the steering unit 7, the steering unit 7 is pivoted and rotated, the steering unit 7 pulls the brake link 33 in a rotating manner, and the brake link 33 drives the brake device 2 to control the brake of the walking device 1.

Referring to fig. 4, the steering unit 7 of the embodiment includes a third pivot shaft 26 disposed on the traction portion 21, a first connecting member 27 pivoted on the third pivot shaft 26 in a longitudinal direction, a second connecting member 28 having one end connected to one end of the first connecting member 27, and a third connecting member 30 for pulling the brake link 33, wherein the other end of the first connecting member 27 is connected to the rear portion of the traction ring 22, the other end of the second connecting member 28 is pivoted to one end of the third connecting member 30, the other end of the third connecting member 30 is pivoted to a stressed end of the brake link 33, the third connecting member 30 is mounted on the first pivot shaft 29 to rotate around the first pivot shaft 29, and the first connecting member 27 swings left and right around the third pivot shaft 26. The two ends of the second connecting member 28 are located below the first pivot shaft 29. Both ends of the third connecting member 30 are located below the first pivot shaft 29.

Referring to fig. 4, the first connecting member 27 and the traction ring 22 may be connected by a fourth connecting member 36, the first connecting member 27, the second connecting member 28 and the fourth connecting member 36 may have a long bar shape, and the third connecting member 30 has a V-shape.

Referring to fig. 4, the middle portion of the steering unit 7 is pivotally connected to the third pivot shaft 26, so that the two ends of the steering unit 7 swing left and right around the third pivot shaft 26.

Referring to fig. 4, the towing portion 21 includes a rectangular housing 38, a mounting hole provided on a front portion of the housing 38 for mounting the towing ring 22, and a cavity 37 provided in the housing 38, a rear portion of the towing ring 22 is telescopically mounted on the housing 38 through the mounting hole, and the rear portion of the towing ring 22 extends from the front portion of the housing 38 into the cavity 37.

Referring to fig. 4, a dust cover is further sleeved on the traction ring 22, and lubricating oil is coated on the rear portion of the traction ring 22 to facilitate the extension and contraction of the traction ring 22.

Referring to fig. 4, the first pivot rod passes through the cavity 37 from the right side of the housing 38 and passes through the left side of the housing 38, the rear portion of the pulling ring 22 is located above the first pivot shaft 29, and the third pivot shaft 26 is located behind the first pivot shaft 29 and is installed in the cavity 37.

Referring to fig. 1 and 4, after the tractor is stopped in the embodiment, the traction ring 22 receives a reaction force to make the rear portion of the traction ring 22 extend into the cavity 37, and push the fourth connecting member 36 to move backward, so that the fourth connecting member 36 moves backward to push the other end of the first connecting member 27 to move backward, so that one end of the first connecting member 27 swings forward with the third pivot shaft 26 as an axis to push the second connecting member 28 to move forward, and the second connecting member 28 moves forward to push the third connecting member 30 swings forward with the first pivot shaft as an axis, so that the other end of the third connecting member 30 pulls the brake link, so that the brake link 33 pulls the brake 16 to brake the rear wheel.

Referring to fig. 1 and 4, in the embodiment of the tractor moving forward, the traction ring 22 is under the action of pulling force to move the rear portion of the traction ring 22 forward, pull the fourth link 36 forward, so that the forward movement of the fourth link 36 pulls the other end of the first link 27 forward, so that the one end of the first link 27 swings around the third pivot shaft 26 rearward to pull the second link 28 rearward, and the backward movement of the second link 28 pulls the third link 30 swings around the first pivot shaft rearward, so that the other end of the third link 30 pulls the brake link, so that the brake link 33 pulls the brake 16 to release the brake state of the rear wheel.

Referring to fig. 1, the mechanical support leg 5 includes a hollow first sleeve 41, a plurality of first spacing holes are formed in the first sleeve 41 at intervals, a second sleeve 42 is inserted in the first sleeve 41 and can move in a telescopic manner, a plurality of second spacing holes are formed in the second sleeve 42 at intervals, a plug pin 43 is inserted in the first spacing hole and the second spacing hole respectively, and a base is arranged on the upper plate of the bottom of the second sleeve 42.

Referring to fig. 3, the mechanical support legs 5 are preferably four and are respectively provided on the front, rear, left, right, and periphery of the frame 11, and the frame 11 is supported by the mechanical support legs 5 which can be folded and adjusted in height, thereby improving the load capacity and stability of the frame 11.

The tractor is used to connect with the towing attachment through the towing ring 22 to achieve the effect of pulling the full trailer to move.

Referring to fig. 1, when the tractor is parked, the traction connecting device 3 is pushed by external force, and the full trailer continues to move forward due to inertia, so that a reverse interaction force is generated between the full trailer and the tractor, the traction connecting device 3 drives the brake device 2, and the brake device 2 is driven by the traction connecting device 3, so that the brake device 2 controls the running gear 1 to brake.

Referring to fig. 1, when the tractor moves forward, the traction connection device 3 is pulled by an external force, in this embodiment, when the tractor moves forward, the full trailer moves forward under the action of the traction force of the tractor, so that the traction connection device 3 drives the brake device 2, the brake device 2 is driven by the traction connection device 3, the brake device 2 controls the running gear 1 to release braking, and thus the full trailer moves forward, and the running gear 1 works normally.

The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.

Claims

1. A full trailer with improved braking performance, characterized in that: the vehicle frame comprises a vehicle frame, at least one traveling device used for driving the vehicle frame to move, at least one brake device used for controlling the traveling device to brake and at least one traction connecting device used for driving the traveling device to move, wherein the traction connecting device is pushed by external force, so that the traction connecting device drives the brake device, and the brake device is driven by the traction connecting device, so that the brake device controls the traveling device to brake.

2. The full trailer with improved braking performance as claimed in claim 1, wherein: the traction connecting device comprises at least one traction head used for receiving traction force pulling, at least one pivoting steering unit and at least one brake connecting rod, wherein one end of the at least one pivoting steering unit is connected with the kinetic energy output end of the traction head, the other end of the at least one pivoting steering unit is connected with the other end of the brake connecting rod, the traction head pushes one end of the at least one pivoting steering unit, the at least one pivoting steering unit is pivoted and rotated, the at least one pivoting steering unit pulls the brake connecting rod in a rotating mode, and the brake connecting rod drives the brake device to control the traveling device to brake.

3. The full trailer with improved braking performance as claimed in claim 2, wherein: the height adjusting device comprises at least one traction part for installing the traction head, at least one swing arm unit for driving the traction part to swing up and down and at least one first pivot shaft for connecting the swing arm unit and the traction part, and one end of the swing arm unit can be pivoted on one end of the traction part in a manner of swinging up and down.

4. A full trailer with improved braking performance as claimed in claim 3, wherein: the steering unit comprises a third pivot shaft arranged on the traction part, a first connecting piece, one end, a second connecting piece and a third connecting piece, wherein the first connecting piece and the one end of the third connecting piece are longitudinally arranged on the third pivot shaft, the second connecting piece and the one end of the first connecting piece are connected, the second connecting piece is used for pulling the brake connecting rod, the other end of the first connecting piece is connected with the traction head, the other end of the second connecting piece is pivoted with one end of the third connecting piece, the other end of the third connecting piece is pivoted with the stressed end of the brake connecting rod, the third connecting piece is arranged on the first pivot shaft, the first pivot shaft rotates as the shaft center, and the first connecting piece swings left and right as the shaft center by the third pivot shaft.

5. The full trailer with improved braking performance as claimed in claim 4, wherein: the middle part of the steering unit is pivoted on the third pivoting shaft, so that the two ends of the steering unit swing left and right by taking the third pivoting shaft as an axis.

6. A full trailer with improved braking performance as claimed in claim 3, wherein: the height adjusting device further comprises a first locking handle arranged on the first pivoting shaft, and the first locking handle is rotated to enable the traction part and the swing arm unit to be relatively fixed on the first pivoting unit.

7. A full trailer with improved braking performance as claimed in claim 3, wherein: the height adjusting device also comprises at least one second pivot shaft for connecting the swing arm unit and the frame, and the other end of the swing arm unit can be pivoted on one end of the frame in an up-and-down swinging mode.

8. The full trailer with improved braking performance as claimed in claim 7, wherein: the bicycle frame further comprises a second locking handle arranged on the second pivoting shaft, and the second locking handle is rotated to enable the bicycle frame and the swing arm unit to be relatively fixed on the second pivoting unit.

9. The full trailer with improved braking performance as claimed in claim 1, wherein: the mechanical support legs are arranged on the frame and can be adjusted in a telescopic mode, and the mechanical support legs extend to support the frame to ascend so that the walking device can be lifted off.

10. The full trailer with improved braking performance as claimed in claim 1, wherein: the traveling device comprises two rear wheels which are respectively arranged on the left and the right of the frame, the brake device comprises a brake which is arranged on the rear wheels and used for controlling the brake of the rear wheels and a parking handle which is used for controlling the brake, and the parking handle is pulled to enable the brake to control the brake of the rear wheels.