CN210000036U - Traction mechanism of self-propelled vehicle and self-propelled vehicle - Google Patents
Traction mechanism of self-propelled vehicle and self-propelled vehicle Download PDFInfo
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- CN210000036U CN210000036U CN201920283226.5U CN201920283226U CN210000036U CN 210000036 U CN210000036 U CN 210000036U CN 201920283226 U CN201920283226 U CN 201920283226U CN 210000036 U CN210000036 U CN 210000036U
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Abstract
The utility model provides a kinds of traction mechanism from walking car, from walking car include the axle, and traction mechanism is including rotating coupling assembling, telescopic machanism and lock piece, rotates coupling assembling and is connected with telescopic machanism's the end rotation, and telescopic machanism's second end rotates with the steering mechanism of axle to be connected, and lock piece is used for locking telescopic machanism in order to restrict telescopic machanism's flexible, rotates coupling assembling and passes through the rotation, can drive telescopic machanism after the locking and drive steering mechanism and turn to, the utility model also provides kinds of from walking car adopt the utility model discloses, need not start self power of from walking car, utilize traction mechanism to drive steering mechanism and turn to, can realize the self-walking car from the turning to in pulling, turn to more nimble convenience, when the self-walking car disconnection and the connection of tractor are from the main walking, remove lock piece to telescopic machanism's restriction, the self-walking car utilizes self power to drive steering.
Description
Technical Field
The utility model relates to a technical field of vehicle connecting piece especially indicates kinds of drive mechanism and self-propelled vehicle from the walking car.
Background
self-propelled vehicles in the prior art can not only control the self-propelled vehicles to walk by means of the power systems of the self-propelled vehicles, but also can drive the self-propelled vehicles to walk by means of traction of the tractor when the power systems of the self-propelled vehicles do not work.
However, in the conventional self-propelled vehicle, the traction rod fixed to the body of the self-propelled vehicle is usually connected to the towing vehicle, and the steering mechanism on the axle of the self-propelled vehicle cannot simultaneously steer along with the steering of the towing vehicle during the towing operation.
SUMMERY OF THE UTILITY MODEL
In view of this, the main object of the present invention is to provide a traction mechanism for kinds of self-propelled vehicles and a self-propelled vehicle, so as to solve the problem that the self-propelled vehicle in the prior art cannot flexibly steer in the process of being pulled by a towing vehicle.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a traction mechanism of self-propelled vehicles, which comprises an axle, wherein the traction mechanism comprises a rotation connecting component, a telescopic mechanism and a locking piece;
the rotating connecting assembly is rotatably connected with the th end of the telescopic mechanism, and the second end of the telescopic mechanism is rotatably connected with the steering mechanism of the axle;
the th locking piece is used for locking the telescopic mechanism to limit the telescopic mechanism to extend and retract;
the rotating connection assembly can drive the locking telescopic mechanism to drive the steering mechanism to steer by rotating.
, the telescoping mechanism is a sleeve assembly which comprises a sleeve and a second sleeve, the end of the sleeve is rotatably connected with the rotating connecting assembly, the second end of the sleeve is sleeved with the end of the second sleeve, the second end of the second sleeve is rotatably connected with the steering mechanism of the axle, and the sleeve and the second sleeve can move relatively along the axial direction of the sleeves.
, a th locking hole is formed in the sleeve, a second locking hole matched with the th locking hole is formed in the second sleeve, the th locking piece is a th bolt, and the th bolt simultaneously penetrates through the th locking hole and the second locking hole to limit the relative movement of the th sleeve and the second sleeve.
, the rotation connection assembly comprises a swinging rod and a traction connection rod, wherein the end of the swinging rod is connected with the traction connection rod, and the second end of the swinging rod is rotatably connected with the end of the telescopic mechanism.
, the second end of the pulling connecting rod is connected with the end of the swinging rod in a rotating way, and the pulling connecting rod can adjust the height of the end of the pulling connecting rod through rotating.
, the rotating link assembly further includes a second lock that limits rotation of the traction link.
, the traction connecting rod is detachably arranged at the th end of the swinging rod, at least th splicing holes are arranged on the traction connecting rod, and a second splicing hole and a third splicing hole are arranged at the th end of the swinging rod, wherein the second splicing hole and the third splicing hole are adjacently arranged and are positioned at the side of the third splicing hole, which is far away from the second end of the swinging rod;
the second bolt is matched with the second inserting hole, and the third bolt is matched with the th inserting hole and the third inserting hole;
the third plug pin simultaneously passes through the th plug hole and the third plug hole so that the traction connecting rod can rotate relative to the swinging rod, and the second plug pin is inserted into the second plug hole so as to limit the rotation of the traction connecting rod.
, the pulling connecting rod comprises a folding rod and a second folding rod, the second end of the folding rod is rotatably connected with the end of the swinging rod, and the second folding rod is detachably arranged on the folding rod.
, the rotating connection assembly further includes a fourth pin and a fifth pin, the folding rod is provided with a plurality of fourth insertion holes, the plurality of fourth insertion holes are arranged along the axial direction of the folding rod at intervals, the second folding rod is provided with a plurality of fifth insertion holes matched with the fourth insertion holes, the fourth pin passes through the pairs of aligned fourth insertion holes and fifth insertion holes to enable the second folding rod to rotate relative to the folding rod, the fifth pin is inserted into the pairs of aligned fourth insertion holes and fifth insertion holes to limit the rotation of the traction connection rod, and/or,
the second folding rod comprises a rod head, a buffering part and a rod tail which are connected in sequence, wherein the rod tail is detachably arranged on the folding rod, and the rod head can be compressed or returned relative to the rod tail through the buffering part.
, the buffer part comprises a guide shaft, a limit nut, a buffer seat, a buffer piece and a guide block;
the buffer seat is provided with an th cavity and a th mounting hole penetrating through the th cavity, and the side of the th cavity far away from the th mounting hole is provided with an opening;
the rod tail is provided with a second cavity and a second mounting hole penetrating through the second cavity, and the second mounting hole is positioned at the th end of the rod tail;
the th end of the rod tail is fixedly connected with the buffer seat, and the th cavity and the second cavity are communicated through the second mounting hole;
the buffer piece is provided with a third mounting hole, and the aperture of the third mounting hole is smaller than that of the th mounting hole;
the bumper is arranged in the th cavity, the end surface of the bumper, which is far away from the side of the mounting hole, abuts against the end surface of the th end of the rod tail, and the third mounting hole is communicated with the th mounting hole;
the guide block is sleeved in the second mounting hole and provided with a fourth mounting hole, the fourth mounting hole is communicated with the th mounting hole and the third mounting hole, and the aperture of the fourth mounting hole is smaller than that of the third mounting hole;
an th step surface and a second step surface are formed on the guide shaft, the th step surface and the second step surface face the second end of the guide shaft, the th step surface is positioned on the side of the second step surface far away from the second end of the guide shaft, and the outer diameter of the th step surface is larger than that of the second step surface;
the th end of the guide shaft is fixedly connected with the club head, the second end of the guide shaft passes through the mounting hole, the third mounting hole and the fourth mounting hole and extends into the second cavity, and the th step surface abuts against the end surface of the bumper, which is close to the side of the mounting hole;
the limiting nut is in threaded connection with the second end of the guide shaft, and the outer diameter of the limiting nut is larger than the aperture of the fourth mounting hole, so that the guide block is locked between the second step surface and the limiting nut.
The utility model also provides kinds of self-propelled vehicle, self-propelled vehicle includes the axle and the aforesaid drive mechanism, the axle includes the crossbeam, sets up mount pad on the crossbeam with install steering mechanism on the crossbeam, the mount pad includes spacing hole, end that rotates coupling assembling passes spacing hole with telescopic machanism's end rotates to be connected, it passes through to rotate coupling assembling the mount pad with the crossbeam rotates to be connected, telescopic machanism's second end with steering mechanism rotates to be connected.
, the axle further comprises a steering knuckle and a second steering knuckle which are respectively arranged at two ends of the cross beam, the steering mechanism comprises a connecting rod, a second connecting rod, a switch valve and a steering oil cylinder, the steering oil cylinder is a double-acting double-piston-rod oil cylinder, a cylinder barrel of the steering oil cylinder is fixedly connected with the cross beam, and two rod cavities of the steering oil cylinder are connected through the switch valve;
the two ends of the th connecting rod are respectively connected with the th steering knuckle and the th piston rod of the steering cylinder, the two ends of the second connecting rod are respectively connected with the second steering knuckle and the second piston rod of the steering cylinder, and the second end of the telescopic mechanism is rotatably connected with the th connecting rod or the second connecting rod.
The utility model provides a kinds of drive mechanism and self-propelled vehicle from the walking car, be connected through the steering mechanism with drive mechanism and the axle of self-propelled vehicle, the in-process that self-propelled vehicle was pull by the tractor and turns to, with locking piece with the telescopic machanism locking, need not start self-propelled vehicle's self power, utilize drive mechanism to drive steering mechanism and turn to, can realize pulling self-propelled vehicle in independently turning to, it is nimble convenient more to turn to, when self-propelled vehicle disconnection and the connection of tractor are independently walked, remove locking piece to telescopic machanism's restriction, self-propelled vehicle utilizes self power drive steering mechanism to turn to.
Drawings
Fig. 1 is a perspective view of a traction mechanism of kinds of self-propelled vehicles provided in an embodiment of the present invention, and an axle and a mounting seat connected to the traction mechanism are also shown in the drawing;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
fig. 5 is an external structural schematic view of kinds of self-propelled vehicles according to the second embodiment of the present invention;
fig. 6 is a schematic bottom structure view of kinds of self-propelled vehicles according to the second embodiment of the present invention.
Reference numerals refer to a traction mechanism 100, an axle 200, a steering mechanism 210, a third connecting rod 211, a second connecting rod 212, a steering cylinder 213, a cylinder barrel 2131, a second piston rod 2132, a second piston rod 2133, a cross beam 220, a fourth steering knuckle 230, a second steering knuckle 240, a mounting seat 300, a limiting hole 300a, a rotating connection assembly 1, a swinging rod 11, a second insertion hole 11a, a third insertion hole 11b, a traction connection rod 12, a 1 insertion hole 12a, a folding rod 121, a fourth insertion hole 121a, a second folding rod 122, a rod head 1221, a guide shaft 1222, a second stepped surface 1222a, a second stepped surface 1222b, a limiting nut 1223, a cushion seat 1224a, a second cavity 1224a, a second mounting hole 1224b, a buffer 1225, a third mounting hole 1225a, a guide block 1226, a fourth mounting hole 1226a, a rod tail 1227, a second cavity 1227a, a second mounting hole 1227b, a fifth locking bolt 587 a, a second locking bolt 21a, a fifth locking hole 24b, a locking bolt 24a, a locking bolt 22b, a locking bolt 24b, a locking hole 24b, a locking bolt 22b, a locking bolt 24b, a locking hole 3, a locking bolt 3 b, a locking bolt 3, a locking.
Detailed Description
The present invention will be described in further detail in with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, for convenience of description, the " th end" and the "second end" are used to distinguish two ends of a component, which is used for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number or order of technical features indicated.
In the description of the present invention, the "up" and "down" directions or positional relationships are based on the normal use state of the self-propelled vehicle, i.e., the directions or positional relationships shown in fig. 1, wherein "looking down" is the down direction of fig. 1, and "height" is the up-down direction of fig. 1. It is to be understood that such directional terms are merely for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must be in a particular orientation, constructed and operative in a particular orientation, and therefore should not be taken as limiting the invention.
Self-propelled vehicle mean kinds of vehicles that can rely on self power walking, nevertheless do not set up the driver's cabin, for example self-propelled high altitude construction car, self-propelled construction elevator etc. this self-propelled vehicle's walking speed is slower, and can only walk in relative confined place such as factory, construction site during self-propelled, can drag along with the tractor and hang the driving on the road during pulling, be different from the motor vehicles that can travel on roads such as highway.
Example
The embodiment provides from running vehicle's drive mechanism, as shown in fig. 1 and fig. 2, drive mechanism 100 is including rotating coupling assembling 1, telescopic machanism 2 and locking piece 3. rotating coupling assembling 1 and telescopic machanism 2's end rotates to be connected, telescopic machanism 2's second end rotates with steering mechanism 210 of the axle 200 of self-running vehicle to be connected, locking piece 3 is used for locking telescopic machanism 2 and stretches out and draws back with restriction telescopic machanism 2, it passes through the rotation to rotate coupling assembling 1, telescopic machanism 2 that can drive after the locking drives steering mechanism 210 and turns to.
When the steering mechanism 210 generates steering action under the control of the power system, the steering mechanism 210 drives the telescopic mechanism 2 to move, and the telescopic mechanism 2 is not locked by the th locking piece 3, so that the telescopic mechanism 2 can freely stretch and contract and can also rotate correspondingly during the movement along with the steering mechanism 210 , so that the normal steering of the steering mechanism 210 is not influenced by the traction mechanism 100.
, in this embodiment, the telescoping mechanism 2 is a sleeve assembly, the sleeve assembly includes a -th sleeve 21 and a second sleeve 22, the -th end of the -th sleeve 21 is rotatably connected to the rotating connecting assembly 1, the second end of the -th sleeve 21 is sleeved with the -th end of the second sleeve 22, and the second end of the second sleeve 22 is rotatably connected to the steering mechanism 210 of the axle 200, and the -th sleeve 21 and the second sleeve 22 can relatively move along the axial direction of the sleeves, thereby implementing the telescoping action.
to facilitate locking the sleeve assembly, in this embodiment, the th sleeve 21 is provided with a th locking hole 21a, the second sleeve 22 is provided with a second locking hole 22a matching with the th locking hole 21a, the th locking member 3 is a th bolt, and after the th bolt passes through the th locking hole 21a and the second locking hole 22a simultaneously, the relative movement between the th sleeve 21 and the second sleeve 22 can be limited.
, the towing mechanism 100 is further provided with a storage rack 4, the storage rack 4 is provided with a storage hole 4a, when the th pin is not needed, the th pin can be inserted into the storage hole 4a, so as to store the th pin and prevent the th pin from losing.
, the rotating connecting assembly 1 of the present embodiment includes a swing link 11 and a towing connecting rod 12, where an end of the swing link 11 is connected to the towing connecting rod 12, and a second end of the swing link 11 is rotatably connected to a end of the telescopic mechanism 2. the towing connecting rod 12 is mainly used for connecting to a towing vehicle, and the swing link 11 can facilitate the towing vehicle to move the telescopic mechanism 2 when towing, and because the fixed ends of different towing vehicles for fixing the towing connecting rod 12 have different heights, the second end of the towing connecting rod 12 is rotatably connected to a end of the swing link 11, and the towing connecting rod 12 can adjust the height of a end of the towing connecting rod 12 by rotating, thereby being adapted to different towing vehicles.
, the rotating connecting assembly 1 of the present embodiment further includes a second locking member 5, the second locking member 5 can limit the rotation of the traction connecting rod 12, that is, when the second locking member 5 is in the unlocked state, the traction connecting rod 12 can rotate, and when the second locking member 5 is in the locked state, the traction connecting rod 12 is locked and cannot rotate, so that the traction mechanism 100 can meet different requirements.
in this embodiment, the pulling connecting rod 12 is detachably disposed at the th end of the swing rod 11, the pulling connecting rod 12 is disposed with at least th inserting holes 12a, the th end of the swing rod 11 is disposed with the second inserting hole 11a and the third inserting hole 11b, the second inserting hole 11a and the third inserting hole 11b are disposed adjacently, and the second inserting hole 11a is disposed at the side of the second end of the swing rod 11 away from the third inserting hole 11b, the second locking member 5 is a second plug pin, the rotation connection assembly 1 further includes a third plug pin 6, the second plug pin is engaged with the second inserting hole 11a, the third plug pin 6 is engaged with the th inserting hole 12a and the third inserting hole 11b, when the third plug pin 6 is simultaneously inserted through the th inserting hole 12a and the third inserting hole 11b, and when the second plug pin is not inserted in the second inserting hole 11a, the pulling connecting rod 12 can rotate relative to the swing rod 11, thereby facilitating adjustment of the height of the third plug pin , and limiting the third plug pin 386 can be inserted into the second inserting hole when the second plug pin 12a and the second plug pin is inserted into the second inserting hole 38712 a, and the second plug pin 11 b.
, the towing connecting rod 12 of the present embodiment includes a folding rod 121 and a second folding rod 122, the second end of the folding rod 121 is pivotally connected to the end of the swinging rod 11, and the second folding rod 122 is detachably disposed on the folding rod 121.
Specifically, the rotating connection assembly 1 further includes a fourth plug pin 7 and a fifth plug pin 8, the fourth folding rod 121 is provided with a plurality of fourth insertion holes 121a, the second folding rod 122 is provided with a plurality of fifth insertion holes 122a matched with the fourth insertion holes 121a, the fourth insertion holes 121a and the fifth insertion holes 122a are both arranged at intervals along the axial direction of the folding rod 121, so that the height of the second folding rod 122 can be adjusted conveniently, the fourth plug pin 7 can pass through the aligned pairs of fourth insertion holes 121a and fifth insertion holes 122a of pairs thereof as needed, so that the second folding rod 122 can rotate relative to the folding rod 121, and after the fifth plug pin 8 is inserted into the aligned pairs of fourth insertion holes 121a and fifth insertion holes 122a of pairs, the second folding rod 122 can also be limited from rotating, by arranging the folding rod 121 and the second folding rod 122, the adjustment of the pulling connection rod 12 in the height direction can be made, it can be understood that the fourth insertion holes 121a and the fifth insertion holes a can be adjusted flexibly so that the height of the fourth insertion holes 121a can be matched with the fourth insertion holes 121 b, so that the height of the third insertion holes 121a can be adjusted conveniently, and the height of the third insertion holes 121 b can be adjusted.
, the pulling mechanism 100 is further provided with a second storage rack 9, the second storage rack 9 is provided with a second storage hole 9a, and when the fourth pin 7 or the fifth pin 8 is not needed, the fourth pin 7 or the fifth pin 8 can be inserted into the second storage hole 9a, so as to store the fourth pin 7 or the fifth pin 8 and prevent the fourth pin 7 or the fifth pin 8 from being lost.
, in order to prevent the traction link 12 from breaking due to excessive stress during traction, the traction link 12 of the present embodiment further has a buffer structure, as shown in fig. 4, the second folding rod 122 of the present embodiment includes a rod head 1221, a buffer portion and a rod tail 1227 connected in sequence, the rod tail 1227 is detachably disposed on the folding rod 121, and the rod head 1221 can be compressed or returned relative to the rod tail 1227 through the buffer portion, so as to buffer the up-and-down movement of the traction mechanism due to uneven road and the like, and avoid damage to the traction mechanism.
Specifically, the buffer portion comprises a guide shaft 1222, a limit nut 1223, a buffering seat 1224, a buffering piece 1225 and a guide block 1226, the buffering seat 1224 has a second cavity 1224a and a second 580 mounting hole 1224b penetrating through a second cavity 1224a, the side of the second 581 cavity 1224a, which is far away from the mounting hole 1224b, is open, the rod tail 1227 has a second cavity 1227a and a second mounting hole 1227b penetrating through a second cavity 1227a, the second mounting hole 1227b is located at the second end of the rod tail 1227, the second end 6865 end of the rod tail 1227 is fixedly connected with the buffering seat 1224, the second cavity 1224a and the second cavity 1227a are communicated through a second mounting hole 1227b, the 1225 has a third mounting hole 1225a, the aperture of the third mounting hole 1225a is smaller than the aperture of the mounting hole 12256 b of the second mounting hole 1226a, the third mounting hole 1225a is larger than the aperture 1226a of the second mounting hole 1226 b, the guide shaft 12272 a, the buffer 1226 b is communicated with the guide mounting hole 1222b through the guide shaft 1222b, the guide shaft 1222 is communicated with the guide shaft 1222b, the guide shaft 1222 through the guide shaft 1222b, the axial end of the guide shaft 1222b, the guide shaft 1225 b, the guide shaft 1222b is communicated with the guide tail 1222b, the guide shaft 1222, the buffer 1222b, the guide shaft 1222b, the buffer 1226, the guide shaft 1222, the buffer seat 1224 side of the guide shaft 1222b is communicated with the guide shaft 1222, the guide shaft 1222b, the guide shaft 1225 b is communicated with the guide shaft 1222b, the guide shaft 1225, the guide shaft 1222b, the guide end of the guide shaft 1222b, the guide shaft 1226a, the guide end of the buffer 1227, the guide end of the guide end 1226a is communicated with the guide end of the guide end 1227b, the guide end of the buffer 1227, the guide end of the guide end 1227a, the guide end face of the buffer 1227b, the buffer 1222b, the buffer 1227b, the guide end face of the buffer 1222b, the guide end face of the buffer 1227b, the guide end of the guide end face of the buffer 1222b, the guide end of the buffer 1227b, the guide end of the guide end.
The guide shaft 1222 can move along the axial direction of the second folding rod 122, when the rod head 1221 is pressed, the th step surface 1222a compresses the buffering member 1225, the second step surface 1222b pushes the guide block 1226 to slide down in the fourth mounting hole 1226a, i.e. the guide shaft 1222 drives the rod head 1221 to move down, when the rod head 1221 is released from the pressing, the restoring force of the buffering member 1225 abuts against the th step surface 1222a, so that the guide shaft 1222 drives the rod head 1221 to return.
Example two
The embodiment of the utility model provides an kinds of self-propelled vehicle, as shown in fig. 5 and fig. 6, this self-propelled vehicle includes axle 200 and the drive mechanism 100 that embodiment provided, and axle 200 includes crossbeam 220 and installs steering mechanism 210 on crossbeam 220, rotates coupling assembling 1 and is connected with crossbeam 220 rotation, and the second end and the steering mechanism 210 of telescopic machanism 2 rotate to be connected.
, referring to fig. 1-2, the self-propelled vehicle further includes a mounting base 300, the mounting base 300 is disposed on the cross beam 220, the rotation connection assembly 1 is rotatably connected to the cross beam 220 through the mounting base 300, the mounting base 300 includes a limiting hole 300a, and an end of the rotation connection assembly 1 passes through the limiting hole 300a to be rotatably connected to an end of the telescoping mechanism 2. the mounting base 300 is disposed to provide rotation pivots for the rotation connection assembly 1 in the aspect of , so that the rotation connection assembly 1 drives the telescoping mechanism 2 to move, and in addition, in the aspect of , the limiting hole 300a of the mounting base 300 can further limit the swing amplitude of the rotation connection assembly 1, and prevent the rotation connection assembly 1 from sliding out of the sleeve 21 due to an excessively large swing amplitude.
, the axle 200 of this embodiment further includes a knuckle 230 and a second knuckle 240 respectively disposed at two ends of the cross beam 220, the steering mechanism 210 includes a th connecting rod 211, a second connecting rod 212, a switch valve (not shown) and a steering cylinder 213, the steering cylinder 213 is a double-acting double-piston rod cylinder, a cylinder barrel 2131 of the steering cylinder 213 is fixedly connected with the cross beam 220, two rod chambers of the steering cylinder 213 are connected through the switch valve, two ends of the th connecting rod 211 are respectively connected with the th knuckle 230 and a th piston rod 2132 of the steering cylinder 213, and two ends of the second connecting rod 212 are respectively connected with the second knuckle 24 and a second piston rod 2133 of the steering cylinder 213, and a second end of the telescopic mechanism 2 is rotatably connected with the th connecting rod 211.
In other embodiments, the steering cylinder 213 is not disposed in the steering mechanism 210, for example, the steering mechanism 210 may be or multiple links capable of driving the th steering knuckle 230 and the second steering knuckle 240 to steer, the second end of the telescoping mechanism 2 is not limited to be rotatably connected to the th link 211, and in other embodiments, the second end of the telescoping mechanism 2 may also be rotatably connected to the second link 212.
The self-propelled vehicle of the present application is also applicable to other devices having the traction mechanism of embodiment , and is not limited herein.
The above-mentioned each embodiment provides kinds of drive mechanism and self-propelled vehicle from the walking car respectively, through being connected drive mechanism and the steering mechanism of the axle of self-propelled vehicle, the in-process that the self-propelled vehicle was pulled by the tractor and turned to, with lock with the telescopic machanism locking, need not start the self power of self-propelled vehicle, utilize drive mechanism to drive steering mechanism and turn to, can realize the self-propelled vehicle from the walking in pulling and turn to more nimble convenience, when the self-propelled vehicle disconnection is from the walking of being connected with the tractor independently, remove lock's restriction to telescopic machanism, the self-propelled vehicle utilizes self power drive steering mechanism to turn to.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (12)
1, traction mechanism for a self-propelled vehicle, the self-propelled vehicle comprising an axle, characterized in that the traction mechanism comprises a rotation linkage assembly, a telescoping mechanism and a lock;
the rotating connecting assembly is rotatably connected with the th end of the telescopic mechanism, and the second end of the telescopic mechanism is rotatably connected with the steering mechanism of the axle;
the th locking piece is used for locking the telescopic mechanism to limit the telescopic mechanism to extend and retract;
the rotating connection assembly can drive the locking telescopic mechanism to drive the steering mechanism to steer by rotating.
2. The traction mechanism as claimed in claim 1, wherein the telescopic mechanism is a sleeve assembly, the sleeve assembly comprises th sleeve and a second sleeve, the th end of the th sleeve is rotatably connected with the rotating connecting assembly, the second end of the th sleeve is sleeved with the th end of the second sleeve, the second end of the second sleeve is rotatably connected with the steering mechanism of the axle, and the th sleeve and the second sleeve can move relatively along the axial direction of the sleeves.
3. The hitch mechanism of claim 2, wherein said -th sleeve includes a -th locking hole, said second sleeve includes a second locking hole cooperating with said -th locking hole, said -th locking member is a -th pin, and said -th pin passes through both said -th locking hole and said second locking hole to restrict relative movement of said -th sleeve and said second sleeve.
4. The pulling mechanism according to any one of claims 1 to , wherein the rotating link assembly comprises a swinging rod and a pulling link rod, wherein a th end of the swinging rod is connected with the pulling link rod, and a second end of the swinging rod is rotatably connected with a th end of the telescoping mechanism.
5. The hitch mechanism of claim 4, wherein the second end of the hitch coupler shaft is pivotally coupled to the th end of the sway bar, and wherein the hitch coupler shaft is pivotally coupled to adjust the height of the th end of the hitch coupler shaft.
6. The hitch mechanism of claim 5, wherein the rotation coupling assembly further includes a second lock that limits rotation of the hitch coupler.
7. The traction mechanism as claimed in claim 6, wherein the traction connecting rod is detachably disposed at the th end of the swing rod, the traction connecting rod is provided with at least th inserting holes, the th end of the swing rod is provided with a second inserting hole and a third inserting hole, the second inserting hole and the third inserting hole are adjacently disposed, and the second inserting hole is located on the side of the third inserting hole far away from the second end of the swing rod;
the second bolt is matched with the second inserting hole, and the third bolt is matched with the th inserting hole and the third inserting hole;
the third plug pin simultaneously passes through the th plug hole and the third plug hole so that the traction connecting rod can rotate relative to the swinging rod, and the second plug pin is inserted into the second plug hole so as to limit the rotation of the traction connecting rod.
8. The hitch mechanism of claim 4, wherein the hitch link includes an th fold bar and a second fold bar, a second end of the th fold bar being pivotally coupled to a th end of the swing bar, the second fold bar being removably attached to the th fold bar.
9. The hitch mechanism of claim 8, wherein the pivotal connection assembly further includes a fourth pin and a fifth pin, wherein the th folding bar has a plurality of fourth holes spaced apart along an axial direction of the th folding bar, the second folding bar has a plurality of fifth holes engaged with the fourth holes, the fourth pin passes through the pairs of aligned fourth holes and fifth holes to allow the second folding bar to pivot relative to the th folding bar, the fifth pin is inserted into another pairs of aligned fourth holes and fifth holes to restrict the hitch bar from pivoting, and/or,
the second folding rod comprises a rod head, a buffering part and a rod tail which are connected in sequence, wherein the rod tail is detachably arranged on the folding rod, and the rod head can be compressed or returned relative to the rod tail through the buffering part.
10. The hitch mechanism of claim 9, wherein the buffer portion includes a guide shaft, a limit nut, a buffer seat, a buffer member, and a guide block;
the buffer seat is provided with an th cavity and a th mounting hole penetrating through the th cavity, and the side of the th cavity far away from the th mounting hole is provided with an opening;
the rod tail is provided with a second cavity and a second mounting hole penetrating through the second cavity, and the second mounting hole is positioned at the th end of the rod tail;
the th end of the rod tail is fixedly connected with the buffer seat, and the th cavity and the second cavity are communicated through the second mounting hole;
the buffer piece is provided with a third mounting hole, and the aperture of the third mounting hole is smaller than that of the th mounting hole;
the bumper is arranged in the th cavity, the end surface of the bumper, which is far away from the side of the mounting hole, abuts against the end surface of the th end of the rod tail, and the third mounting hole is communicated with the th mounting hole;
the guide block is sleeved in the second mounting hole and provided with a fourth mounting hole, the fourth mounting hole is communicated with the th mounting hole and the third mounting hole, and the aperture of the fourth mounting hole is smaller than that of the third mounting hole;
an th step surface and a second step surface are formed on the guide shaft, the th step surface and the second step surface face the second end of the guide shaft, the th step surface is positioned on the side of the second step surface far away from the second end of the guide shaft, and the outer diameter of the th step surface is larger than that of the second step surface;
the th end of the guide shaft is fixedly connected with the club head, the second end of the guide shaft passes through the mounting hole, the third mounting hole and the fourth mounting hole and extends into the second cavity, and the th step surface abuts against the end surface of the bumper, which is close to the side of the mounting hole;
the limiting nut is in threaded connection with the second end of the guide shaft, and the outer diameter of the limiting nut is larger than the aperture of the fourth mounting hole, so that the guide block is locked between the second step surface and the limiting nut.
The self-propelled vehicle of 11 and , wherein the self-propelled vehicle comprises an axle and the traction mechanism of any item in claims 1-10, the axle comprises a cross beam, a mounting seat arranged on the cross beam and a steering mechanism arranged on the cross beam, the mounting seat comprises a limiting hole, the end of the rotation connecting assembly passes through the limiting hole to be rotatably connected with the end of the telescopic mechanism, the rotation connecting assembly is rotatably connected with the cross beam through the mounting seat, and the second end of the telescopic mechanism is rotatably connected with the steering mechanism.
12. The self-propelled vehicle of claim 11, wherein the axle further comprises th and second knuckles respectively disposed at two ends of the cross member, the steering mechanism comprises th and second links, a switch valve and a steering cylinder, the steering cylinder is a double-acting double-piston-rod cylinder, a cylinder barrel of the steering cylinder is fixedly connected with the cross member, and two rod chambers of the steering cylinder are connected by the switch valve;
the two ends of the th connecting rod are respectively connected with the th steering knuckle and the th piston rod of the steering cylinder, the two ends of the second connecting rod are respectively connected with the second steering knuckle and the second piston rod of the steering cylinder, and the second end of the telescopic mechanism is rotatably connected with the th connecting rod or the second connecting rod.
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| CN201920283226.5U CN210000036U (en) | 2019-03-06 | 2019-03-06 | Traction mechanism of self-propelled vehicle and self-propelled vehicle |
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| CN201920283226.5U CN210000036U (en) | 2019-03-06 | 2019-03-06 | Traction mechanism of self-propelled vehicle and self-propelled vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910532A (en) * | 2019-03-06 | 2019-06-21 | 湖南双达机电有限责任公司 | The traction mechanism and autonomous traveling vehicle of autonomous traveling vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910532A (en) * | 2019-03-06 | 2019-06-21 | 湖南双达机电有限责任公司 | The traction mechanism and autonomous traveling vehicle of autonomous traveling vehicle |
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