CN113119674A - Liftable chassis and high altitude construction car - Google Patents
Liftable chassis and high altitude construction car Download PDFInfo
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- CN113119674A CN113119674A CN202110584565.9A CN202110584565A CN113119674A CN 113119674 A CN113119674 A CN 113119674A CN 202110584565 A CN202110584565 A CN 202110584565A CN 113119674 A CN113119674 A CN 113119674A
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- 238000010276 construction Methods 0.000 title description 3
- 230000007246 mechanism Effects 0.000 claims description 69
- 239000003638 chemical reducing agent Substances 0.000 claims description 20
- 238000002360 preparation method Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 32
- 230000003028 elevating effect Effects 0.000 abstract description 13
- 230000004888 barrier function Effects 0.000 abstract description 6
- 230000009194 climbing Effects 0.000 abstract description 6
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 20
- 230000009467 reduction Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/30—Height or ground clearance
Abstract
The invention discloses a liftable chassis and an aerial work platform. Through the tire with set up elevating system between the frame body down, can be when passing through the barrier, elevating system will get off the rise of frame body down, make the frame body down can easily pass through the barrier, the vehicle traveles at climbing or downhill path in-process, the frame body under the accessible goes up and down, makes the frame body down be in the horizontality, and then avoids the vehicle to overturn in the in-process that traveles, because elevating system can drive the frame body down for ground lift, can be in the course of the work, will get off the frame body through elevating system and reduce, and then can reduce the focus of whole car for the complete machine performance of vehicle in the course of the work obtains promoting.
Description
Technical Field
The invention relates to the field of engineering vehicles, in particular to a liftable chassis and an aerial work platform truck.
Background
The engineering mechanical chassis is an important part of an engineering vehicle, the engineering mechanical chassis is frequently required to be disassembled and assembled during transportation due to the large dead weight of the engineering mechanical chassis, and in order to meet the requirement, the combined type engineering mechanical chassis becomes the most common chassis structural form at present.
However, since the engineering vehicle needs to be moved, and the engineering vehicle using the chassis of the engineering machine has an excessively large climbing angle during the driving process, the stability of the engineering vehicle using the chassis of the engineering machine is not good during the slope process, and the engineering vehicle is prone to rollover, so that the road trafficability and the performance of the working condition of the engineering vehicle using the existing chassis of the engineering machine cannot be compatible.
Disclosure of Invention
In view of this, the embodiment of the invention provides a liftable chassis and an aerial work platform vehicle, so as to solve the problem that the road trafficability and the performance of the work condition of the engineering vehicle of the conventional engineering mechanical chassis cannot be compatible.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
the invention discloses a lifting chassis in a first aspect, which comprises a lower frame body, a tire support and a plurality of pairs of tires;
a plurality of pairs of tires are arranged on two sides of the lower frame body through the tire supports;
liftable chassis still includes: the lifting mechanism is arranged between the tire and the lower frame body;
the lifting mechanism can drive the lower frame body to lift relative to the ground.
Preferably, the lifting mechanism comprises a connecting rod frame, a first connecting rod, a second connecting rod and a first telescopic piece;
the lower frame body is provided with a first hinge point and a second hinge point along the vertical direction, the first hinge point is hinged with the first end of the first connecting rod, and the second hinge point is hinged with the first end of the second connecting rod;
along the vertical direction, a third hinge point and a fourth hinge point are arranged on the first side of the connecting rod frame, the third hinge point is hinged with the second end of the first connecting rod, and the fourth hinge point is hinged with the second end of the second connecting rod;
the connecting rod frame is positioned in a region between the third hinge point and the fourth hinge point, and the first connecting rod, the second connecting rod and a region of the lower frame body between the first hinge point and the second hinge point form a four-bar linkage;
the first end of the first telescopic piece is hinged between the first hinge point and the second hinge point, the second end of the first telescopic piece is hinged with the connecting rod frame, and the first telescopic piece can drive the four-bar mechanism to move in a telescopic mode.
Preferably, the four-bar linkage is a parallel four-bar linkage.
Preferably, the second end of the first telescopic member is hinged to the third hinge point, and the link frame, the first link and the first telescopic member form a triangular structure.
Preferably, the first telescopic piece is a lifting oil cylinder.
Preferably, the first end of the first connecting rod is connected with the lower frame body through a connecting rod pin shaft, and the second end of the first connecting rod is connected with the connecting rod frame through a connecting rod pin shaft;
and the first end of the second connecting rod is connected with the lower frame body through a connecting rod pin shaft, and the second end of the second connecting rod is connected with the connecting rod frame through a connecting rod pin shaft.
Preferably, the number of the tires is N, the number of the lifting mechanisms is 2, and N is an even number greater than or equal to 4;
the 2 lifting mechanisms are arranged on one side edge of the lower frame body;
or 2 the lifting mechanisms are arranged between one pair of tires and the lower frame body.
Preferably, a steering mechanism for changing the angle of at least one pair of the tires is further included;
the tire support is connected with the connecting rod frame through a support pin shaft, and the steering mechanism is used for driving the tire support to rotate around the connecting rod frame in the horizontal direction;
the steering mechanism comprises a steering oil cylinder;
one end of the steering oil cylinder is fixed on the connecting rod frame, and the other end of the steering oil cylinder is connected with the tire support through a steering oil cylinder pin shaft.
Preferably, the tire further comprises a power mechanism for driving at least one pair of tires to rotate;
the power mechanism comprises a speed reducer and a walking motor;
the traveling motor is arranged in the speed reducer, one end of the speed reducer is fixed with the tire support, and the other end of the speed reducer is fixed with the tire.
Preferably, the number of the tires is N, the number of the lifting mechanisms is N, the number of the steering mechanisms is N, and N is an even number greater than or equal to 4.
The second aspect of the present invention discloses an aerial work platform, comprising: the liftable chassis as disclosed in the first aspect of the invention.
The lifting mechanism is arranged between the tire and the lower frame body, so that the lower frame body can be lifted by the lifting mechanism when passing through an obstacle, the lower frame body can easily pass through the obstacle, the lower frame body can be in a horizontal state by lifting the lower frame body in the process of climbing or descending, the vehicle is prevented from tipping over in the process of running, the lower frame body can be driven to lift relative to the ground by the lifting mechanism in the working process, the lower frame body can be lowered by the lifting mechanism, the gravity center of the whole vehicle can be lowered, and the overall performance of the vehicle in the working process can be improved.
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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of a liftable chassis structure provided in an embodiment of the present invention;
fig. 2 is a partially enlarged view of a liftable chassis according to an embodiment of the present invention.
The device comprises a connecting rod frame 1, a first connecting rod 2, a steering oil cylinder pin shaft 3, a speed reducer 4, tires 5, a connecting rod pin shaft 6, a lifting oil cylinder 7, a walking motor 8, a lower frame body 9, a tire support 10, a steering oil cylinder 11, a support pin shaft 12 and a second connecting rod 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In this application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiment of the invention provides a lifting chassis, which is shown in figures 1 to 2, wherein figure 1 is a structural schematic diagram of the lifting chassis, and the lifting chassis comprises a lower frame body 9, tires 5 and tire supports 10;
a plurality of pairs of tires 5 are arranged on two sides of the lower frame body 9 through the tire supports 10;
liftable chassis still includes: the lifting mechanism is arranged between the tire 5 and the lower frame body 9;
the lifting mechanism can drive the lower frame body 9 to lift relative to the ground.
It should be noted that, through tire 5 with set up elevating system between the lower carriage body 9, can be when passing through the barrier, elevating system will get off the rise of carriage body 9, make the carriage body 9 can easily pass through the barrier down, the vehicle is gone at climbing or downhill path in-process, carriage body 9 under the accessible goes up and down, makes the carriage body 9 be in the horizontality down, and then avoids the vehicle to appear tipping in the in-process of traveling, because elevating system can drive the carriage body 9 is for ground lift, can be in the course of the work, through elevating system with the carriage body 9 reduction down, and then can reduce the focus of whole car for the complete machine performance of vehicle in the course of the work obtains promoting.
Specifically, the elevating system includes: the connecting rod frame 1, the first connecting rod 2, the second connecting rod 13 and the first telescopic piece;
along the vertical direction, the lower frame body 9 is provided with a first hinge point and a second hinge point, the first hinge point is hinged with the first end of the first connecting rod 2, and the second hinge point is hinged with the first end of the second connecting rod 13;
along the vertical direction, a third hinge point and a fourth hinge point are arranged on the first side of the connecting rod frame 1, the third hinge point is hinged with the second end of the first connecting rod 2, and the fourth hinge point is hinged with the second end of the second connecting rod 13;
the connecting rod frame 1, the first connecting rod 2, the second connecting rod 13 and the lower frame body 9 form a four-connecting-rod mechanism in the area between the third hinge point and the fourth hinge point;
the first end of the first telescopic piece is hinged between the first hinge point and the second hinge point, the second end of the first telescopic piece is hinged with the connecting rod frame 1, and the first telescopic piece can drive the four-bar mechanism to move in a telescopic mode.
It should be noted that, the lower frame body 9 is provided with a first hinge point for hinging the first end of the first link 2 and a second hinge point for hinging the first end of the second link 13 along the vertical direction, so that the first link 2 and the second link 13 can rotate around the lower frame body 9 in the vertical direction, the first side of the link frame 1 is provided with a third hinge point for hinging the second end of the first link 2 and a fourth hinge point for hinging the second end of the second link 13 along the vertical direction, and the second side is connected to the tire support 10, so that the first link 2 and the second link 13 can rotate around the link frame 1 in the vertical direction; and then make connecting rod frame 1 be located third hinge point with the region between the fourth hinge point first connecting rod 2 second connecting rod 13 with lower frame body 9 is located first hinge point with region between the second hinge point constitutes four-bar linkage, and articulate the first end of first extensible member in first hinge point with between the second hinge point, the second end with connecting rod frame 1 is articulated, makes first extensible member is flexible can drive four-bar linkage moves, and then drives lower frame body 9 and goes up and down for ground.
Specifically, the first telescopic part is a lifting oil cylinder 7.
It should be noted that, the first telescopic part is set as a lifting cylinder, and the lifting cylinder 7 is a hydraulic upgrading device, so that the stability is good, the stability of the chassis in the lifting process is improved, and the safety of the lifting process is ensured.
Preferably, the lifting mechanism includes: the connecting rod frame 1, the first connecting rod 2, the second connecting rod 13 and the second telescopic piece;
along the vertical direction, the lower frame body 9 is provided with a first hinge point and a second hinge point, the first hinge point is hinged with the first end of the first connecting rod 2, and the second hinge point is hinged with the first end of the second connecting rod 13;
along the vertical direction, a third hinge point and a fourth hinge point are arranged on the first side of the connecting rod frame 1, the third hinge point is hinged with the second end of the first connecting rod 2, and the fourth hinge point is hinged with the second end of the second connecting rod 13;
the connecting rod frame 1, the first connecting rod 2, the second connecting rod 13 and the lower frame body 9 form a four-connecting-rod mechanism in the area between the third hinge point and the fourth hinge point;
the first end of the second telescopic piece is hinged between the first hinged point and the second hinged point, the second end of the second telescopic piece is hinged with the connecting rod frame 1, and the second telescopic piece can drive the four-bar mechanism to move in a telescopic mode.
Specifically, the second extensible member can be a lead screw or a worm, the lead screw or the worm can drive the four-bar linkage structure to move through rotation through threaded fit, and then the lower frame body 9 can lift relative to the ground.
Further, the four-bar linkage is a parallel four-bar linkage.
It should be noted that the four-bar linkage mechanism formed by the link frame 1, the first link 2, the second link 13 and the lower frame body 9 is set as a parallel four-bar linkage mechanism, so that it can be ensured that the tires of the vehicle are always perpendicular to the ground in the movement process of the four-bar linkage mechanism, and further, the driving stability of the vehicle is ensured.
Specifically, the second end of the first telescopic part is hinged to the third hinge point, and the connecting rod frame 1, the first connecting rod 2 and the first telescopic part form a triangular structure.
It should be noted that the second end of the first telescopic member is hinged to the third hinge point, so that the connecting rod frame 1, the first connecting rod 2 and the first telescopic member form a stable triangular structure, and the four-connecting-rod structure can be driven to perform telescopic motion in the telescopic process of the first telescopic member.
Specifically, a first end of the first connecting rod 2 is connected with the lower frame body 9 through a connecting rod pin shaft, and a second end of the first connecting rod is connected with the connecting rod frame 1 through a connecting rod pin shaft;
the first end of the second connecting rod 13 is connected with the lower frame body 9 through a connecting rod pin shaft, and the second end is connected with the connecting rod frame 1 through a connecting rod pin shaft.
It should be noted that the first end of the first link 2 is connected to the lower frame body 9 through a link pin, and the second end is connected to the link frame 1 through a link pin; and will the first end of second connecting rod 13 pass through connecting rod round pin axle with get off frame body 9 and link to each other, the second end passes through connecting rod round pin axle and links to each other with connecting rod frame 1, has effectively guaranteed the joint strength between first connecting rod 2, second connecting rod 13, get off frame body 9 and the connecting rod frame 1, avoids the accident to appear in the frame body 9 lift in-process down, has effectively prolonged the life of vehicle.
Specifically, the number of the tires 5 is N, the number of the lifting mechanisms is 2, and N is an even number greater than or equal to 4.
The 2 lifting mechanisms are arranged on one side edge of the lower frame body 9;
or, 2 lifting mechanisms are arranged between one pair of tires 5 and the lower frame body 9.
It should be noted that, the number of the lifting mechanisms is 2, and 2 lifting mechanisms are arranged at one side of the lower frame body 9, when a vehicle passes through an obstacle, one side of the vehicle can be lifted by the lifting mechanisms, so that the vehicle can pass through the obstacle; or 2 lifting mechanisms are arranged between one pair of tires 5 and the lower frame body 9, and the front end and the rear end of the vehicle are in the same level through lifting of the lifting mechanisms in the process of climbing or descending the vehicle, so that the vehicle is prevented from tipping in the process of running.
Further, the liftable chassis further comprises a steering mechanism for changing the angle of at least one pair of tires 5;
the tire support 10 is connected with the connecting rod frame 1 through a support pin shaft 12, and the steering mechanism is used for driving the tire support 10 to rotate around the connecting rod frame 1 in the horizontal direction;
the steering mechanism comprises a steering oil cylinder 11;
one end of the steering oil cylinder 11 is fixed on the connecting rod frame 1, and the other end of the steering oil cylinder is connected with the tire support 10 through a steering oil cylinder pin shaft 3.
It should be noted that, because the tire support 10 is connected to the link frame 1 through the support pin 12, the steering structure for changing at least a pair of angles of the tire 5 is provided, that is, the steering mechanism is set as the steering cylinder 11, one end of the steering cylinder 11 is fixed to the link frame 1, and the other end is connected to the tire support 10 through the steering cylinder pin 3, so that the steering cylinder 11 drives the tire support 10 to rotate around the horizontal direction of the link frame 1 through expansion and contraction, thereby changing the driving direction of the vehicle, and facilitating the vehicle to move in different directions.
Furthermore, the lifting chassis also comprises a power mechanism for driving at least one pair of tires 5 to rotate;
the power mechanism comprises: a speed reducer 4 and a traveling motor 8;
the traveling motor 8 is arranged in the speed reducer 4, one end of the speed reducer 4 is fixed with the tire support 10, and the other end of the speed reducer 4 is fixed with the tire 5.
It should be noted that, by providing a power mechanism for driving at least one pair of the tires 5 to rotate; the vehicle can run by starting the power mechanism and depending on the power of the power mechanism.
It should be further noted that the traveling motor 8 is disposed in the speed reducer 4, one end of the speed reducer 4 is fixed to the tire support 10, the other end of the speed reducer 4 is fixed to the tire 5, and the traveling motor 8 rotates to drive the tire 5 to rotate through the speed reducer 4, so as to achieve the purpose of traveling the vehicle.
Further, the number of the tires 5 is N, the number of the lifting mechanisms is N, the number of the steering mechanisms is N, and N is an even number greater than or equal to 4.
It should be noted that the number of the lifting mechanisms is N, and the number of the steering mechanisms is N, that is, the lifting mechanism and the steering mechanism are arranged between each tire 5 and the lower frame body 9, that is, the lower frame body 9 can be lifted integrally by the lifting mechanism, and because each tire is provided with the steering mechanism, the turning radius of the vehicle can be reduced when the vehicle turns, so that the vehicle can turn conveniently.
The embodiment of the invention also provides an overhead working truck, which comprises: the chassis can be lifted;
liftable chassis includes: a lower frame body 9, a tire 5 and a tire support 10;
a plurality of pairs of tires 5 are longitudinally arranged on two sides of the lower frame body 9 along the lower frame body 9 through the tire supports 10;
liftable chassis still includes: the lifting mechanism is arranged between the tire 5 and the lower frame body 9;
the lifting mechanism can drive the lower frame body 9 to lift relative to the ground.
It should be noted that, through tire 5 with set up elevating system between the lower carriage body 9, can be when passing through the barrier, elevating system will get off the rise of carriage body 9, make the carriage body 9 can easily pass through the barrier down, the vehicle is gone at climbing or downhill path in-process, carriage body 9 under the accessible goes up and down, makes the carriage body 9 be in the horizontality down, and then avoids the vehicle to appear tipping in the in-process of traveling, because elevating system can drive the carriage body 9 is for ground lift, can be in the course of the work, through elevating system with the carriage body 9 reduction down, and then can reduce the focus of whole car for the complete machine performance of vehicle in the course of the work obtains promoting.
To facilitate understanding of the above solution, the solution is further described below with reference to fig. 1 and 2.
One end of a connecting rod (a first connecting rod 2 and a second connecting rod 13) is connected to the upper side and the lower side of the lower frame body 9 through a connecting rod pin shaft 6 and can only rotate along the circumferential direction (vertical) of the connecting rod pin shaft 6; the other end is connected to the connecting rod frame 1 through a connecting rod pin shaft 6 to form a four-connecting-rod structure, and the four-connecting-rod structure is used for ensuring that tires of the vehicle are always vertical to the ground in the lifting process.
One end of the lifting oil cylinder 7 is connected in the middle of the lower frame body 9 through a connecting rod pin shaft 6, the other end of the lifting oil cylinder is connected on the connecting frame 1 through the connecting rod pin shaft 6, two sides of a four-bar structure between the connecting frame 1 and the lower frame 9 and the lifting oil cylinder form a triangular structure, and the lifting posture of the four-bar structure is changed through the stretching of the lifting oil cylinder 7 so as to realize the lifting motion of the connecting rod frame 1.
The tire support 10 and the connecting rod frame 1 are connected through a support pin shaft 12, and the tire support 10 and the connecting rod frame 1 can horizontally rotate within a certain range.
The steering oil cylinder 11 is connected with the tire support 10 and the connecting rod frame 1 through a steering oil cylinder pin shaft 3, and the angle change between the tire support 10 and the connecting rod frame 1 is realized in the expansion process of the steering oil cylinder 11, so that the tire steering is realized.
The walking motor 8 is completely fixed in the speed reducer 4 through bolts;
the spindle flange of the speed reducer 4 is completely fixed on the tire support 10 through bolts, and the shell of the speed reducer 4 is completely fixed in the center of the tire 5 through bolts.
The invention has the advantages that:
1. the engineering vehicle can enable the chassis to be lifted in the self-moving process, and the trafficability of the chassis is improved.
2. The engineering vehicle can lower the chassis, reduce the mass center of the whole vehicle and improve the lifting performance or the construction stability of the whole vehicle in the working process.
The key points of the invention are as follows:
1. the lifting function of the lower frame is realized through a four-bar structure.
2. The tire is kept vertical to the ground in the lifting process through the four-bar structure.
The invention discloses an optimal scheme of 4 sets of four-connecting-rod + 4-wheel driving and 4-wheel steering, namely 4+4+ 4. Alternatives may be any combination between 4+4+2, 4+2+4, 2+4+4, 4+2+2, 2+4+2, 2+2+4, 2+2+2, 6+6+6, 6+6+4, 6+4+6, 4+6+6, 6+4+4, 4+6+4, 4+4+6, 6+4+2, 6+2+4, 4+6+2, 4+2+6, 6+2+2, 2+6+2, 2+2+6 … …, etc.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, the system or system embodiments are substantially similar to the method embodiments and therefore are described in a relatively simple manner, and reference may be made to some of the descriptions of the method embodiments for related points. The above-described system and system embodiments are only illustrative, wherein the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
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 (11)
1. A lifting chassis comprises a lower frame body (9), a tire support (10) and a plurality of pairs of tires (5);
a plurality of pairs of tires (5) are arranged on two sides of the lower frame body (9) through the tire supports (10); it is characterized in that the preparation method is characterized in that,
liftable chassis still includes: the lifting mechanism is arranged between the tire (5) and the lower frame body (9);
the lifting mechanism can drive the lower frame body (9) to lift relative to the ground.
2. Liftable chassis according to claim 1, wherein the lifting mechanism comprises a linkage frame (1), a first linkage (2), a second linkage (13) and a first telescopic member;
along the vertical direction, the lower frame body (9) is provided with a first hinge point and a second hinge point, the first hinge point is hinged with the first end of the first connecting rod (2), and the second hinge point is hinged with the first end of the second connecting rod (13);
along the vertical direction, a third hinge point and a fourth hinge point are arranged on the first side of the connecting rod frame (1), the third hinge point is hinged with the second end of the first connecting rod (2), and the fourth hinge point is hinged with the second end of the second connecting rod (13);
the connecting rod frame (1) is positioned in an area between the third hinge point and the fourth hinge point, and the first connecting rod (2), the second connecting rod (13) and the area of the lower frame body (9) between the first hinge point and the second hinge point form a four-bar linkage;
the first end of the first telescopic piece is hinged between the first hinge point and the second hinge point, the second end of the first telescopic piece is hinged with the connecting rod frame (1), and the first telescopic piece can drive the four-bar linkage mechanism to move in a telescopic mode.
3. Liftable chassis according to claim 2, wherein said four-bar linkage is a parallel four-bar linkage.
4. Liftable chassis according to claim 2, wherein the second end of the first telescopic member is hinged to the third hinge point, and the linkage frame (1), the first link (2) and the first telescopic member form a triangular structure.
5. Liftable chassis according to claim 2, characterized in that the first telescopic member is a lift cylinder (7).
6. The liftable chassis according to claim 2, wherein a first end of the first connecting rod (2) is connected with the lower frame body (9) through a connecting rod pin shaft, and a second end is connected with the connecting rod frame (1) through a connecting rod pin shaft;
and the first end of the second connecting rod (13) is connected with the lower frame body (9) through a connecting rod pin shaft, and the second end of the second connecting rod is connected with the connecting rod frame (1) through a connecting rod pin shaft.
7. Liftable chassis according to claim 1, wherein the number of said tires (5) is N, the number of said lifting mechanisms is 2, said N is an even number greater than or equal to 4;
the 2 lifting mechanisms are arranged on one side edge of the lower frame body (9);
or 2 lifting mechanisms are arranged between one pair of tires (5) and the lower frame body (9).
8. Liftable chassis according to claim 1, further comprising a steering mechanism for changing the angle of at least one pair of said tyres (5);
the tire support (10) is connected with the connecting rod frame (1) through a support pin shaft (12), and the steering mechanism is used for driving the tire support (10) to rotate around the connecting rod frame (1) in the horizontal direction;
the steering mechanism comprises a steering oil cylinder (11);
one end of the steering oil cylinder (11) is fixed on the connecting rod frame (1), and the other end of the steering oil cylinder is connected with the tire support (10) through a steering oil cylinder pin shaft (3).
9. Liftable chassis according to claim 1, further comprising a power mechanism for driving at least one pair of said tyres (5) in rotation;
the power mechanism comprises a speed reducer (4) and a walking motor (8);
the traveling motor (8) is arranged in the speed reducer (4), one end of the speed reducer (4) is fixed with the tire support (10), and the other end of the speed reducer is fixed with the tire (5).
10. Liftable chassis according to claim 8, characterized in that the number of tires (5) is N, the number of lifting mechanisms is N, the number of steering mechanisms is N, and N is an even number greater than or equal to 4.
11. An aerial lift truck, comprising: liftable chassis according to any of claims 1 to 10.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110584565.9A CN113119674A (en) | 2021-05-27 | 2021-05-27 | Liftable chassis and high altitude construction car |
| PCT/CN2021/139058 WO2022247243A1 (en) | 2021-05-27 | 2021-12-17 | Liftable chassis and aerial work vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110584565.9A CN113119674A (en) | 2021-05-27 | 2021-05-27 | Liftable chassis and high altitude construction car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113119674A true CN113119674A (en) | 2021-07-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110584565.9A Pending CN113119674A (en) | 2021-05-27 | 2021-05-27 | Liftable chassis and high altitude construction car |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113119674A (en) |
| WO (1) | WO2022247243A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022247243A1 (en) * | 2021-05-27 | 2022-12-01 | 湖南星邦智能装备股份有限公司 | Liftable chassis and aerial work vehicle |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2560328B (en) * | 2017-03-07 | 2021-12-15 | Niftylift Ltd | Base unit for a vehicle |
| CN207328036U (en) * | 2017-09-13 | 2018-05-08 | 深圳市大疆创新科技有限公司 | The suspended rack assembly and chassis vehicle of chassis vehicle |
| CN209756678U (en) * | 2018-12-21 | 2019-12-10 | 深圳市大疆创新科技有限公司 | Vehicle and lifting device thereof |
| CN209756679U (en) * | 2018-12-21 | 2019-12-10 | 深圳市大疆创新科技有限公司 | Suspension mechanism, lifting device and vehicle |
| CN110770053B (en) * | 2018-12-21 | 2021-10-15 | 深圳市大疆创新科技有限公司 | Vehicle and lifting device thereof |
| CN111315600A (en) * | 2018-12-21 | 2020-06-19 | 深圳市大疆创新科技有限公司 | Suspension mechanism, lifting device and vehicle |
| CN113119674A (en) * | 2021-05-27 | 2021-07-16 | 湖南星邦智能装备股份有限公司 | Liftable chassis and high altitude construction car |
| CN215041929U (en) * | 2021-05-27 | 2021-12-07 | 湖南星邦智能装备股份有限公司 | Liftable chassis and high altitude construction car |
-
2021
- 2021-05-27 CN CN202110584565.9A patent/CN113119674A/en active Pending
- 2021-12-17 WO PCT/CN2021/139058 patent/WO2022247243A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022247243A1 (en) * | 2021-05-27 | 2022-12-01 | 湖南星邦智能装备股份有限公司 | Liftable chassis and aerial work vehicle |
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| Publication number | Publication date |
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| WO2022247243A1 (en) | 2022-12-01 |
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