CN210454371U - Trailer and transport vehicle - Google Patents
Trailer and transport vehicle Download PDFInfo
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- CN210454371U CN210454371U CN201921201644.1U CN201921201644U CN210454371U CN 210454371 U CN210454371 U CN 210454371U CN 201921201644 U CN201921201644 U CN 201921201644U CN 210454371 U CN210454371 U CN 210454371U
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- connection handle
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Abstract
The utility model discloses a trailer, include the frame, draw the piece and install walking assembly on the frame, it is used for being connected with traction equipment with right to draw traction force and steering force are applyed to the frame, the frame with it is provided with lifting adjusting device to draw between the piece, so as to be used for adjusting it is relative to draw the piece the height of frame. In this trailer, through set up lift adjusting device between traction piece and frame to can adjust the relative frame's of traction piece height, so that simply adjust lift adjusting device, can make the new pulling equipment of highly adapted of traction piece, so, this trailer can solve current trailer effectively and to the not good problem of traction equipment's adaptability. The utility model also discloses a transport vechicle of including above-mentioned trailer.
Description
Technical Field
The utility model relates to a transport means field, more specifically say, relate to a trailer, still relate to a transport vechicle including above-mentioned trailer.
Background
With the increasing development of warehouse logistics, the requirements of people on the efficiency of logistics transportation are more strict, and the increase of money from the former time to the present efficiency is the idea of life, so that the attention of people on the efficiency in the logistics process can be seen.
At present, in the prior art, the traction device of the trailer is often in a free state, and the traction device needs to be manually lifted before being connected with the tractor, so that the traction seat can be butted with the traction device. Or the traction device and the frame are rigidly connected, and the mode can only be suitable for the connection operation of a single tractor and has poor universality.
In summary, how to effectively solve the problem that the adaptability of the current trailer to the traction equipment is not good is a problem which needs to be solved urgently by the technical personnel in the field at present.
SUMMERY OF THE UTILITY MODEL
In view of this, the first object of the present invention is to provide a trailer which can effectively solve the problem that the adaptability of the current trailer to the traction equipment is not good, and the second object of the present invention is to provide a transportation vehicle comprising the above trailer.
In order to achieve the first object, the present invention provides the following technical solutions:
a trailer comprises a frame, a traction piece and a walking assembly arranged on the frame, wherein the traction piece is used for being connected with traction equipment to apply traction force and steering force to the frame, and a lifting adjusting device is arranged between the frame and the traction piece and used for adjusting the height of the traction piece relative to the frame.
In this trailer, when the pulling equipment height that needs to connect changes, can't be smooth and easy this moment be connected with the pulling piece, can be through adjusting lift adjusting device this moment to the height that makes the relative frame of pulling piece can adjust to the pulling piece is corresponding with current pulling equipment's height, and then can be smooth and easy continue to connect. Therefore, in the trailer, the lifting adjusting device is arranged between the traction piece and the frame, so that the height of the traction piece relative to the frame can be adjusted, the lifting adjusting device can be simply adjusted, the height of the traction piece can be adapted to new traction equipment, and the problem that the adaptability of the current trailer to the traction equipment is poor can be effectively solved.
Preferably, the lifting device further comprises a bogie, the bogie is installed between the frame and the walking assembly, and the lifting adjusting device is connected between the traction piece and the bogie.
Preferably, the lifting adjustment device includes:
a first end fixed relative to the bogie;
a second end connected to the traction member;
the two ends of the connecting handle are respectively connected with the first end part and the second end part in a rotating way around a horizontally arranged axis;
a first locking device for locking the connecting handle with the first end;
and the second locking device is used for locking the connecting handle and the second end part.
Preferably, the first locking device and the second locking device are both ratchet locking devices.
Preferably, the connection handle is including being located respectively the left side connection handle and the right side connection handle of the first end left and right sides, the left side connection handle the right side connection handle with the first end is all established on first round pin axle, the left side connection handle with between the first end and the right side connection handle with all be provided with between the first end with the ratchet pair of the coaxial setting of first round pin axle, the left side connection handle the second end and the right side connection handle is established in proper order and is established on the second round pin axle, the left side connection handle with between the second end and the right side connection handle with all be provided with between the second end with the ratchet pair of the coaxial setting of second round pin axle.
Preferably, one end of the first pin shaft is provided with a limiting shoulder, and the other end of the first pin shaft is provided with a first locking nut to push a ratchet wheel of the ratchet wheel pair to be engaged; one end of the second pin shaft is provided with a limiting shoulder, and the other end of the second pin shaft is provided with a second locking nut to push a ratchet wheel of the ratchet wheel pair to be engaged; and the first locking nut and the second locking nut are both fixed with radially extending handles.
Preferably, the traction piece is connected with the lifting adjusting device through a buffer device capable of elastically deforming forwards and backwards.
Preferably, the front end of the traction piece is provided with a horizontally arranged connecting ring or a vertically arranged connecting column.
Preferably, the rear axle is included, the walking assembly comprises a front axle which is arranged in parallel with the rear axle in the front-rear direction, the front axle is connected with the bogie, and the frame is in rigid connection with the rear axle or in flexible connection through a suspension.
In order to reach above-mentioned second purpose, the utility model also provides a transport vechicle, this transport vechicle includes any kind of above-mentioned trailer, and this transport vechicle still includes the traction locomotive, above-mentioned pulling equipment promptly, and wherein the piece front end that pulls of trailer with pull the locomotive and rotate around vertical axis and be connected. Since the trailer has the technical effects, the transport vehicle with the trailer also has the corresponding technical effects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a trailer according to an embodiment of the present invention;
fig. 2 is a schematic overall structural diagram of a trailer according to an embodiment of the present invention;
fig. 3 is a schematic view of a connection structure of the connection handle according to an embodiment of the present invention.
The drawings are numbered as follows:
the device comprises a frame 1, a traction piece 2, a lifting adjusting device 3, a bogie 4, a buffer device 5, a rear axle 6, a front axle 7, a left connecting handle 31, a right connecting handle 32, a first pin shaft 33, a ratchet pair 34, a second pin shaft 35, a first locking nut 36, a second locking nut 37, a handle 38 and a rotary support bearing 41.
Detailed Description
The embodiment of the utility model discloses trailer to solve current trailer effectively and to the not good problem of traction equipment's adaptability.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a trailer according to an embodiment of the present invention; fig. 2 is a schematic overall structural diagram of a trailer according to an embodiment of the present invention; fig. 3 is a schematic view of a connection structure of the connection handle according to an embodiment of the present invention.
In a specific embodiment, the present embodiment provides a trailer, specifically, the trailer comprises a frame 1, a walking assembly, a traction member 2 and a lifting adjustment device 3.
Wherein the running assembly is adapted to be mounted on the vehicle frame 1 to provide a primary support for the vehicle frame 1, although it may be a total support. The walking assembly can comprise two wheels which are respectively arranged on the left side and the right side of the frame 1 and are coaxially arranged, and the gravity center of the frame 1 is positioned on a vertical plane where the axis is positioned; the walking assembly can also comprise three wheels which are distributed in an isosceles triangle shape, namely one wheel is additionally arranged on the rear side or the front side of the walking assembly on the basis of the two wheels to form full support; wherein the walking subassembly can also be including two sets of walking wheelsets that set up around, and each group walking wheelset includes that two set up respectively in frame 1 left and right sides and coaxial setting's wheel, totally four wheels are the rectangle and distribute.
Wherein pull 2 and be used for being connected with traction equipment to provide traction force and steering force to frame 1, wherein pull 2 mainly be with traction equipment around the axis rotation of vertical setting be connected, so that traction equipment not only can provide forward traction force to pull 2, but also can drive to pull 2 rotations through self rotation, in order to drive frame 1 and rotate, in order to form and turn to.
The lifting adjusting device 3 is arranged between the frame 1 and the traction part 2 and is used for adjusting the height of the traction part 2 relative to the frame 1, so that a new relative stable relation is kept between the frame 1 and the traction part 2 at a new relative height, the traction part 2 can continuously provide traction force and steering force for the frame 1, and meanwhile, the traction part 2 can adapt to the height of new traction equipment to facilitate connection. It should be noted that the lifting adjusting device 3 is capable of adjusting the transformation by its own structure, so that the towing member 2 can move upward relative to the frame 1 as a whole.
In this trailer, when the pulling equipment height that needs to connect changes, can't be smooth and easy this moment be connected with pulling 2, can be through adjusting lift adjusting device 3 this moment to the height that makes pulling 2 relative frame 1 can be adjusted to pulling 2 is corresponding with current pulling equipment's height, and then can be smooth and easy continue to connect. Therefore, in the trailer, the lifting adjusting device 3 is arranged between the traction piece 2 and the frame 1, so that the height of the traction piece 2 relative to the frame 1 can be adjusted, the lifting adjusting device 3 can be simply adjusted, namely, the height of the traction piece 2 can be adapted to new traction equipment, and therefore, the problem that the adaptability of the current trailer to the traction equipment is poor can be effectively solved.
Further, general trailer is provided with bogie 4 to make things convenient for frame 1 to turn to, it is concrete, wherein bogie 4 installs between frame 1 and running gear, and lift adjusting device 3 is connected between traction element 2 and bogie 4, and traction element 2 is through applying traction force and turning force to bogie 4 promptly, and then the realization drives frame 1 walking and turns to. Specifically, the walking component assembly comprises an axle, wheels are arranged at two ends of the axle respectively, the bogie 4 comprises a connecting frame and a rotary supporting bearing 41, an inner ring of the rotary supporting bearing 41 is connected with the frame 1, an outer ring of the rotary supporting bearing 41 is connected with the connecting frame, and axle load supporting force of the axle is transmitted to the frame 1 through the rotary supporting bearing 41.
Wherein lifting adjusting device 3 can be flexible adjusting column, and traction member 2 and bogie 4 are connected respectively at both ends, and is specific, wherein flexible adjusting column includes two spliced poles that slide to set up along extending direction and the locking screw that prevents two spliced poles relative slip along extending direction during locking.
But because both ends need to bear the moment of torsion, so the intensity of flexible regulation post is difficult to satisfy the requirement generally, and yielding. In this respect, it is preferred that the lifting adjustment device 3 comprises a first end, a second end and a connecting handle, wherein the first end is fixed relative to the bogie 4, such as being integrally formed, and may be welded or bolted, and wherein the second end is connected to the traction element 2, such as being directly connected or being indirectly connected, and if being directly connected, such as being fixedly connected, such as being integrally formed, welded, bolted, etc.
Wherein both ends of the connection handle are respectively connected with the first end part and the second end part in a rotating manner around a horizontally arranged axis, it needs to be emphasized that, because the two ends of the connection handle are provided, the rotation axes between the connection handle and the first end part and between the connection handle and the second end part are not arranged in a collineation manner, so that when the connection handle rotates relative to the first end part, the height position of one end of the connection handle connected with the second end part can be adjusted, and the second end part rotates relative to the connection handle, so that the second end part can keep an upward translation state when rotating relative to the connection handle, but not only can rotate along with the connection handle, so that the traction part 2 can keep a horizontal state.
In order to allow the lifting adjustment device 3 to better transmit traction forces and steering forces, the lifting adjustment device 3 preferably comprises a first locking device and a second locking device, wherein the first locking device is used for locking the connecting handle with the first end part, so that when the connecting handle is rotated to a proper position relative to the first end part, the first locking device is locked and fixed to prevent the connecting handle from rotating relative to the first end part. The second locking device is used for locking the connecting handle and the second end part, so that when the second end part rotates to a proper position relative to the connecting handle, the second locking device is used for locking and fixing to prevent the second end part from rotating relative to the connecting handle.
The first locking device and the second locking device can adopt locking screws, but the ratio of torque transmitted by the locking screws is small, and the damage to the surface of a component is large, and based on the reason, the first locking device and the second locking device are preferably ratchet locking devices. The ratchet locking device mainly comprises a ratchet pair which is coaxial with the rotation axis, the two ratchets are respectively arranged on the two parts which rotate relatively, the ratchet pair is close to each other along the axial direction so as to prevent the two parts which rotate relatively from rotating when the two ratchets of the ratchet pair are engaged, and the ratchet pair is far away from each other along the axial direction so as to enable the two ratchets of the ratchet pair to be disengaged when the two ratchets of the ratchet pair are away from each other, and at the moment, the two parts which rotate relatively freely rotate.
Specifically, the preferred connecting handle here includes a left connecting handle 31 and a right connecting handle 32 respectively located at the left and right sides of the first end, wherein the left connecting handle 31, the right connecting handle 32 and the first end are all sleeved on the first pin shaft 33, ratchet pairs 34 coaxially arranged with the first pin shaft 33 are respectively arranged between the left connecting handle 31 and the first end and between the right connecting handle 32 and the first end, the left connecting handle 31, the second end and the right connecting handle 32 are sequentially sleeved on the second pin shaft 35, ratchet groups 34 coaxially arranged with the second pin shaft 35 are respectively arranged between the left connecting handle 31 and the second end and between the right connecting handle 32 and the second end,
further, the first locking device and the second locking device are mainly pushing devices for pushing the ratchet wheel set 34 to engage in the axial direction, such as elastic devices like springs. Specifically, here, it is preferable that one end of the first pin 33 is provided with a limiting shoulder, and the other end is provided with a first locking nut 36 to push the ratchet wheel of the corresponding ratchet wheel pair 34 to engage, and the first locking nut 36 is in threaded connection with the first pin 33; one end of the second pin shaft 35 is provided with a limiting shoulder, the other end is provided with a second locking nut 37 to push the ratchet wheel of the corresponding ratchet wheel pair 34 to be engaged, and the second locking nut 37 is in threaded connection with the second pin shaft 35. The first lock nut 36 and the second lock nut 37 are fixed with radially extending handles 38, so that torque is applied through the handles 38 to push the first lock nut 36 to rotate around the threads relative to the first pin 33 and push the second lock nut 37 to rotate around the threads relative to the second pin 35.
Furthermore, considering that the traction equipment needs emergency operations such as braking in the traction process, because the traction piece is movably connected with the traction equipment, huge impact force is generated between the traction piece and the traction equipment when the traction piece is started in an emergency and the traction equipment is braked in an emergency. For this purpose, the traction means 2 and the lifting adjustment device 3 are preferably connected by a damping device 5 that can be elastically deformed back and forth, wherein the damping device 5 can be a spring that extends back and forth or a gas spring that extends back and forth. In the case where the lifting adjustment device 3 comprises a second end portion, the second end portion is preferably integrally connected to one end of the damping device.
Further, as the traction member 2 and the traction device are connected around the vertically arranged axis, for the convenience of connection, it is preferable that the front end of the traction member 2 is provided with a horizontally arranged connection ring to be sleeved on the vertically arranged connection column, or the front end of the traction member 2 is provided with a vertically arranged connection column to be inserted into the horizontally arranged connection hole.
As mentioned above, the structure of the walking assembly can be set according to the requirement, in this application, in order to better support the vehicle frame 1, it is preferable that the trailer further comprises a rear axle 6, wherein the walking assembly comprises a front axle 7 which is arranged in parallel with the rear axle 6 in front and at the back, wherein the front axle is connected with the bogie 4, and the vehicle frame 1 and the rear axle 6 are rigidly connected or flexibly connected with the rear axle 2 through a suspension.
Based on the trailer that provides in the above-mentioned embodiment, the utility model also provides a transport vechicle, this transport vechicle include arbitrary one of the trailer in the above-mentioned embodiment, this transport vechicle still including pulling the locomotive, above-mentioned traction equipment promptly, wherein the piece front end that pulls of trailer with pull the locomotive and rotate around vertical axis and be connected. As the trailer in the above embodiment is adopted in the transportation vehicle, please refer to the above embodiment for the beneficial effect of the transportation vehicle.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A trailer comprises a frame, a traction part and a walking assembly arranged on the frame, wherein the traction part is used for being connected with traction equipment to apply traction force and steering force to the frame, and the trailer is characterized in that a lifting adjusting device is arranged between the frame and the traction part and used for adjusting the height of the traction part relative to the frame.
2. A trailer in accordance with claim 1, further comprising a bogie mounted between the frame and the running assembly, the lift adjustment device being connected between the towing member and the bogie.
3. The trailer of claim 2, wherein the lift adjustment device comprises:
a first end fixed relative to the bogie;
a second end connected to the traction member;
the two ends of the connecting handle are respectively connected with the first end part and the second end part in a rotating way around a horizontally arranged axis;
a first locking device for locking the connecting handle with the first end;
and the second locking device is used for locking the connecting handle and the second end part.
4. A trailer in accordance with claim 3, wherein the first and second locking means are each ratchet locking means.
5. The trailer according to claim 3, wherein the connection handle comprises a left connection handle and a right connection handle respectively positioned at the left side and the right side of the first end, the left connection handle, the right connection handle and the first end are all sleeved on a first pin shaft, ratchet pairs coaxially arranged with the first pin shaft are arranged between the left connection handle and the first end and between the right connection handle and the first end, the left connection handle, the second end and the right connection handle are sequentially sleeved on a second pin shaft, and ratchet pairs coaxially arranged with the second pin shaft are arranged between the left connection handle and the second end and between the right connection handle and the second end.
6. The trailer according to claim 5, wherein one end of the first pin is provided with a limiting shoulder, and the other end of the first pin is provided with a first locking nut to push a ratchet wheel of the ratchet wheel pair to engage; one end of the second pin shaft is provided with a limiting shoulder, and the other end of the second pin shaft is provided with a second locking nut to push a ratchet wheel of the ratchet wheel pair to be engaged; and the first locking nut and the second locking nut are both fixed with radially extending handles.
7. A trailer according to any one of claims 2 to 6, wherein the towing member is connected to the lifting adjustment means by a damping means which is resiliently deformable back and forth.
8. A trailer in accordance with claim 7, wherein the front end of the towing member is provided with a horizontally arranged coupling ring or a vertically arranged connection column.
9. A trailer according to claim 8, comprising a rear axle, wherein the running assembly comprises a front axle arranged side by side in front of and behind the rear axle, the front axle is connected to the bogie, and the frame is rigidly connected to the rear axle or flexibly connected thereto by means of a suspension.
10. A transport vehicle comprising a tractor head, characterized in that it further comprises a trailer according to any one of claims 1 to 9, the tractor head being pivotally connected to the front end of the tractor member of the trailer about a vertical axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921201644.1U CN210454371U (en) | 2019-07-26 | 2019-07-26 | Trailer and transport vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921201644.1U CN210454371U (en) | 2019-07-26 | 2019-07-26 | Trailer and transport vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210454371U true CN210454371U (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921201644.1U Active CN210454371U (en) | 2019-07-26 | 2019-07-26 | Trailer and transport vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN210454371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110217061A (en) * | 2019-07-26 | 2019-09-10 | 衡阳合力工业车辆有限公司 | Trailer and transport vehicle |
-
2019
- 2019-07-26 CN CN201921201644.1U patent/CN210454371U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110217061A (en) * | 2019-07-26 | 2019-09-10 | 衡阳合力工业车辆有限公司 | Trailer and transport vehicle |
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