CN111792591B - Connecting mechanism for aerial work platform - Google Patents
Connecting mechanism for aerial work platform Download PDFInfo
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- CN111792591B CN111792591B CN202010717797.2A CN202010717797A CN111792591B CN 111792591 B CN111792591 B CN 111792591B CN 202010717797 A CN202010717797 A CN 202010717797A CN 111792591 B CN111792591 B CN 111792591B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 49
- 238000005303 weighing Methods 0.000 claims description 17
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 238000003754 machining Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F13/00—Common constructional features or accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/10—Arrangements for locking
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Engineering & Computer Science (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a connecting mechanism for an aerial work platform, which comprises a fixed support, a working bucket, a first connecting frame and a second connecting frame, wherein the first connecting frame is connected with the second connecting frame; the first connecting frame is provided with hinge points a, b and e, and the second connecting frame is provided with hinge points c, d and f; the hinge point a of the first connecting frame is hinged with the upper part of the fixed support, the hinge point b is hinged with the upper part of the working bucket, and the hinge point e is hinged with the hinge point f of the second connecting frame; the hinge point c of the second connecting frame is hinged with the lower part of the fixed support, the hinge point d is hinged with the lower part of the working bucket, and the hinge point f is hinged with the hinge point e of the first connecting frame; and the hinge point a, the hinge point b, the hinge point e, the hinge point c, the hinge point d and the hinge point f are distributed in a triangular shape. The connecting mechanism for the aerial work platform provided by the invention can effectively improve the connection stability between the fixing support and the working bucket by utilizing the stability characteristic of the triangle, and meets the requirement of design strength.
Description
Technical Field
The invention relates to the field of connecting equipment in an aerial work platform, in particular to a connecting mechanism for the aerial work platform.
Background
The aerial work platforms are all equipped with moment balance systems, and the connecting mechanism in the moment balance systems is of great importance to the stability of the whole system.
In the prior art, a product connecting and weighing mechanism is shown in fig. 1, a fixed bracket 101 and a working bucket 103 are hinged together through four holes a, b, c and d on a weighing frame 102 to form a weighing parallelogram mechanism; the load cell 104 is mounted on one of the weigh frames 102, between the two weigh frames 102.
However, the prior art has the following disadvantages: when the working bucket 103 moves upwards, namely moves towards the arrow Y direction, the distance A becomes smaller, namely the parallelogram ab line rotates upwards around the point a, and the cd line rotates upwards around the point c, so that the size B becomes larger; when the working bucket 103 falls down due to gravity, B is rapidly reduced to 0, and the working bucket 103 in the prior art moves up and down, so that the stability is poor, and the problem of motion linkage lag is caused.
Meanwhile, when a load is placed in the working bucket 103, due to gravity, the working bucket 103 moves downwards, the distance A is reduced, the size B is reduced to 0 at the moment, the detection head of the weighing sensor 104 is pressed, the weighing sensor 104 senses pressure change and converts the pressure change into an electric signal to be transmitted to the computer, and the computer calculates the actual weight according to the signal. The gravitational potential energy due to the bucket 103 is converted into an impact of the load cell 104. This multiple times results in the load cell 104 becoming insensitive or damaged.
Therefore, how to improve the connection stability of the connection mechanism for the aerial work platform is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a connecting mechanism for an aerial work platform, which can effectively improve the connection stability between a fixed support and a working bucket and meet the requirement of design strength.
In order to achieve the purpose, the invention provides the following technical scheme:
a connecting mechanism for an aerial work platform comprises a fixed support, a working bucket, a first connecting frame and a second connecting frame, wherein the first connecting frame and the second connecting frame are positioned between the fixed support and the working bucket; the first connecting frame is provided with a hinge point a, a hinge point b and a hinge point e, and the second connecting frame is provided with a hinge point c, a hinge point d and a hinge point f; the hinge point a of the first connecting frame is hinged with the upper part of the fixed support, the hinge point b is hinged with the upper part of the working bucket, and the hinge point e is hinged with the hinge point f of the second connecting frame; the hinge point c of the second connecting frame is hinged with the lower part of the fixed support, the hinge point d is hinged with the lower part of the working bucket, and the hinge point f is hinged with the hinge point e of the first connecting frame; and the hinge point a, the hinge point b, the hinge point e, the hinge point c, the hinge point d and the hinge point f are distributed in a triangular shape.
Preferably, the hinge point a, the hinge point b, the hinge point c and the hinge point d form a parallelogram.
Preferably, the hinge point a, the hinge point b, the hinge point e, the hinge point c, the hinge point d, and the hinge point f are distributed in a right triangle.
Preferably, the first connecting frame and the second connecting frame are both in a right-angled triangular plate shape, and three corners of the first connecting frame and the second connecting frame are sequentially provided with three hinge points.
Preferably, the first connecting frame and the second connecting frame both comprise a first plate body and a second plate body which are arranged in parallel, the first plate body and the second plate body on the first connecting frame are respectively and fixedly connected with the hinge point a and the position corresponding to the hinge point b through a sleeve, and the first plate body and the second plate body on the second connecting frame are respectively and fixedly connected with the hinge point c and the position corresponding to the hinge point d through a sleeve.
Preferably, a weighing sensor is arranged at the hinged position of the hinged point f and the hinged point e.
Preferably, the connecting rod is positioned between the first connecting frame and the second connecting frame, a hinge point e and a hinge point f are arranged on the connecting rod, the hinge point e of the connecting rod is hinged with the hinge point e of the first connecting frame, and the hinge point f of the connecting rod is hinged with the hinge point f of the second connecting frame.
Preferably, the connecting rods are arranged horizontally.
Preferably, the load cell is located at the hinge point e.
Preferably, the first connecting frame and the fixed support, the first connecting frame and the working bucket, the second connecting frame and the fixed support and the second connecting frame and the working bucket are hinged through first shafts; the connecting rod is hinged with the second connecting frame through a second shaft; the connecting rod is hinged with the first connecting frame through the weighing sensor.
The connecting mechanism for the aerial work platform comprises a fixed support, a working bucket, a first connecting frame and a second connecting frame, wherein the first connecting frame and the second connecting frame are positioned between the fixed support and the working bucket; the first connecting frame is provided with a hinge point a, a hinge point b and a hinge point e, and the second connecting frame is provided with a hinge point c, a hinge point d and a hinge point f; the hinge point a of the first connecting frame is hinged with the upper part of the fixed support, the hinge point b is hinged with the upper part of the working bucket, and the hinge point e is hinged with the hinge point f of the second connecting frame; the hinge point c of the second connecting frame is hinged with the lower part of the fixed support, the hinge point d is hinged with the lower part of the working bucket, and the hinge point f is hinged with the hinge point e of the first connecting frame; and the hinge point a, the hinge point b, the hinge point e, the hinge point c, the hinge point d and the hinge point f are distributed in a triangular shape. According to the connecting mechanism provided by the invention, the three hinge points on the first connecting frame and the second connecting frame are utilized, when a load exists in the working bucket, the rotating directions of the first connecting frame and the second connecting frame enable the hinge points between the first connecting frame and the second connecting frame to act in opposite directions, and due to the position limitation of the hinge point at the connecting part of the first connecting frame and the second connecting frame, the connecting stability between the fixed support and the working bucket can be effectively improved, and the requirement of design strength is met. .
In a preferred embodiment, the foldable bicycle further comprises a connecting rod located between the first connecting frame and the second connecting frame, the connecting rod is provided with a hinge point e and a hinge point f, the hinge point e of the connecting rod is hinged to the hinge point e of the first connecting frame, and the hinge point f of the connecting rod is hinged to the hinge point f of the second connecting frame. According to the arrangement, the connection between the first connecting frame and the second connecting frame is realized by additionally arranging the connecting rod, the connecting rod is used as a two-force rod, and when the machining precision of the first connecting frame and the second connecting frame has a small-range error, the connecting rod can compensate and adjust the machining precision error of the device by adjusting the position.
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 the drawings without creative efforts.
FIG. 1 is a schematic structural view of a prior art attachment mechanism for aerial work platforms;
FIG. 2 is a cross-sectional view of one embodiment of a coupling mechanism for aerial work platforms provided by the present invention;
FIG. 3 is an exploded view of one embodiment of a coupling mechanism for aerial work platforms provided by the present invention;
FIG. 4 is a schematic view of a hinge point of one embodiment of a coupling mechanism for aerial work platforms according to the present invention;
FIG. 5 is an assembled view of one embodiment of a coupling mechanism for aerial work platforms according to the present invention;
FIG. 6 is an exploded view of another embodiment of a coupling mechanism for an aerial work platform according to the present invention;
FIG. 7 is a schematic view of a hinge point of another embodiment of the coupling mechanism for aerial work platforms according to the present invention;
wherein:
FIG. 1: a fixed support-101; a weighing frame-102; a working bucket-103; -a load cell-104;
fig. 2 to 7: a fixed support-201; a first connecting frame-202; a connecting rod-203; a second connecting frame-204; a working bucket-205; a load cell-206; a first shaft-207; a second axis-208; shaft stop pin-209; screw-210; the sensor holds a card 211.
Detailed Description
The core of the invention is to provide a connecting mechanism for an aerial work platform, the connecting mechanism is stable in connection, and the movement linkage effect between a fixed support and a working bucket is good.
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.
Referring to fig. 2 to 7, fig. 2 is a sectional view of an embodiment of a connecting mechanism for an aerial work platform according to the present invention; FIG. 3 is an exploded view of one embodiment of a coupling mechanism for aerial work platforms provided by the present invention; FIG. 4 is a schematic view of a hinge point of one embodiment of a coupling mechanism for aerial work platforms according to the present invention; FIG. 5 is an assembled view of one embodiment of a coupling mechanism for aerial work platforms according to the present invention; FIG. 6 is an exploded view of another embodiment of a coupling mechanism for an aerial work platform according to the present invention; fig. 7 is a schematic view of a hinge point of another embodiment of the connecting mechanism for the aerial work platform provided by the invention.
In this embodiment, the attachment mechanism for the aerial work platform comprises a fixed bracket 201, a bucket 205, a first attachment bracket 202 and a second attachment bracket 204.
Wherein, the first connecting frame 202 and the second connecting frame 204 are positioned between the fixed bracket 201 and the working bucket 205, and the first connecting frame 202 is positioned at the upper part of the second connecting frame 204; further, a hinge point a, a hinge point b and a hinge point e are arranged on the first connecting frame 202, and a hinge point c, a hinge point d and a hinge point f are arranged on the second connecting frame 204; specifically, a hinge point a of the first connecting frame 202 is hinged to the upper portion of the fixed bracket 201, a hinge point b is hinged to the upper portion of the working bucket 205, and a hinge point e is hinged to a hinge point f of the second connecting frame 204; a hinge point c of the second connecting frame 204 is hinged with the lower part of the fixed bracket 201, a hinge point d is hinged with the lower part of the working bucket 205, and a hinge point f is hinged with a hinge point e of the first connecting frame 202; and the hinge point a, the hinge point b, the hinge point e, the hinge point c, the hinge point d and the hinge point f are distributed in a triangular shape.
According to the connecting mechanism for the aerial work platform, provided by the invention, by utilizing the three hinge points on the first connecting frame 202 and the second connecting frame 204, when a load is loaded in the working bucket 205, the rotating directions of the first connecting frame 202 and the second connecting frame 204 are opposite to each other, and due to the position limitation of the hinge point at the connecting part of the first connecting frame 202 and the second connecting frame 204, the working bucket 205 cannot swing upwards, so that the impact caused by the vertical swing of the working bucket 205 is reduced and weakened, the reliability of the connecting mechanism is effectively improved, the connecting stability between the fixing support and the working bucket can be effectively improved, and the requirement on design strength is met.
In addition to the above embodiments, the hinge point a, the hinge point b, the hinge point c, and the hinge point d form a parallelogram, as shown in fig. 7, which is a connection state without the link 203.
Preferably, pin joint a, pin joint b and pin joint e and pin joint c, pin joint d and pin joint f all are right triangle and distribute, and right triangle can make the atress be located the tangential direction of rotation circle, reduces the decomposition of power, improves and detects the precision. Of course, hinge point a, hinge point b and hinge point e and hinge point c, hinge point d and hinge point f are triangle structures can, and direct triangle is the preferred scheme.
In addition to the above embodiments, the first connecting frame 202 and the second connecting frame 204 are in the shape of a right-angled triangle, and three hinge points are sequentially arranged at three corners of the first connecting frame 202 and the second connecting frame 204.
On the basis of the above embodiments, the first connecting frame 202 and the second connecting frame 204 each include a first plate body and a second plate body arranged in parallel, the first plate body and the second plate body on the first connecting frame 202 are fixedly connected to the positions corresponding to the hinge point a and the hinge point b through sleeves, and the first plate body and the second plate body on the second connecting frame 204 are fixedly connected to the positions corresponding to the hinge point c and the hinge point d through sleeves. Preferably, the first plate body and the second plate body are provided with lightening holes in the middle.
On the basis of the above embodiments, the hinge point f and the hinge point e are provided with the weighing sensor 206, the weighing sensor 206 is used for acquiring the load, and due to the position limitation of the hinge point at the connection position of the first connecting frame 202 and the second connecting frame 204, the working bucket 205 cannot swing upwards, so that the impact caused by the vertical swing of the working bucket 205 is reduced and weakened, the service life of the weighing sensor 206 is long, and the detection result is more reliable.
Preferably, load cell 206 is a pin-type load cell 206 or a spoke-type load cell 206.
In addition to the above embodiments, the present invention further includes a connecting rod 203 located between the first connecting frame 202 and the second connecting frame 204, the connecting rod 203 is provided with a hinge point e and a hinge point f, the hinge point e of the connecting rod 203 is hinged to the hinge point e of the first connecting frame 202, and the hinge point f of the connecting rod 203 is hinged to the hinge point f of the second connecting frame 204. According to the arrangement, the connecting rod 203 is additionally arranged to realize the connection between the first connecting frame 202 and the second connecting frame 204, the connecting rod 203 is used as a two-force rod, and when the machining precision of the first connecting frame 202 and the second connecting frame 204 has a small range of error, the connecting rod 203 can compensate and adjust the machining precision error of the device through adjusting the position. Specifically, a weighing sensor 206 can be arranged at a hinge point e, and the weighing function is integrated.
Preferably, the connecting rod 203 is horizontally arranged, that is, the connecting line of the hinge point a and the hinge point e is perpendicular to the connecting line of the hinge point e and the hinge point f, so that the detection and calculation can be facilitated.
Specifically, the connection mechanism provided by the embodiment has the following weighing function:
when there is a load in the bucket 205, there is a tendency for the bucket 205, which constitutes the weighing parallelogram abcd, to move vertically downwards due to gravity:
1. under the condition that the connecting rod 203 is not arranged, a hinged point triangle abe on the first connecting frame 202 takes a point a as a circle center, the clockwise direction is rotated, and a point e moves to the left;
2. under the condition that the connecting rod 203 is not arranged, the hinged point triangle cdf on the second connecting frame 204 takes the point c as the center of a circle, the clockwise direction is rotated, and the point f moves to the right;
3. the ef connecting line is a two-force rod, the direction of the force is horizontal, and the force is expressed as a pulling force; the pin-type load cell 206 arranged at point e can sense load data in real time and then transmit the data to the computer so as to calculate the actual weight.
When the ground is uneven during transportation or vehicle traveling, the bucket 205 is caused to move up and down, and when the bucket 205 tends to move up, as shown in fig. 4:
1. under the condition that the connecting rod 203 is not arranged, a hinged point triangle abe on the first connecting frame 202 takes a point a as a circle center, the counterclockwise direction is rotated, and a point e moves to the right;
2. under the condition that the connecting rod 203 is not arranged, the hinged point triangle cdf on the second connecting frame 204 rotates anticlockwise by taking the point c as the circle center, and the point f moves leftwards;
3. the ef line is a two-force rod, the direction of the force is horizontal, and the force is expressed as pressure.
4. The load cell 206 has locked the mechanism completely, and because the connecting rod 203ef is a rigid structure, the deformation amount of compression and stretching is extremely small, so that the working bucket 205 cannot swing upwards, and the impact caused by the swinging of the working bucket 205 is reduced and weakened.
In addition to the above embodiments, the first connecting frame 202 and the fixed bracket 201, the first connecting frame 202 and the bucket 205, the second connecting frame 204 and the fixed bracket 201, and the second connecting frame 204 and the bucket 205 are hinged by the first shaft 207; the connecting rod 203 is hinged with the second connecting frame 204 through a second shaft 208; the link 203 is hinged with the first connecting frame 202 through a load cell 206.
Further, a shaft stop pin 209 and a screw 210 are fittingly mounted on the second shaft 208 to fix the second shaft 208; the load cell 206 is provided with a sensor fixing clamp plate 211 and a screw 210 in a matching way so as to fix the load cell 206.
According to the connecting mechanism for the aerial work platform, a two-force rod mode is adopted, and when A, B has a small-range error in length precision, the position is adjusted through the connecting rod 203, so that the structure machining precision error can be compensated and adjusted; the installation is convenient and simple; the weighing accuracy is not influenced; the impact caused by the up-and-down swinging of the working bucket 205 in transportation or walking can be reduced or even eliminated, the use is reliable, and the service life is long.
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 connecting mechanism for the aerial work platform provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (14)
1. A connecting mechanism for an aerial work platform is used for connecting a fixed support (201) and a working bucket (205), and is characterized by further comprising a first connecting frame (202) and a second connecting frame (204) which are positioned between the fixed support (201) and the working bucket (205); the first connecting frame (202) is provided with a hinge point a, a hinge point b and a hinge point e, and the second connecting frame (204) is provided with a hinge point c, a hinge point d and a hinge point f; a hinge point a of the first connecting frame (202) is hinged with the upper part of the fixed bracket (201), and a hinge point b is hinged with the upper part of the working bucket (205); a hinge point c of the second connecting frame (204) is hinged with the lower part of the fixed bracket (201), a hinge point d is hinged with the lower part of the working bucket (205), and a hinge point f is hinged with a hinge point e of the first connecting frame (202); and the hinge point a, the hinge point b, the hinge point e, the hinge point c, the hinge point d and the hinge point f are distributed in a triangular shape.
2. The linkage mechanism according to claim 1 wherein said hinge point a, said hinge point b, said hinge point c and said hinge point d form a parallelogram.
3. The connecting mechanism as claimed in claim 1, wherein the hinge point a, the hinge point b and the hinge point e, and the hinge point c, the hinge point d and the hinge point f are distributed in a right triangle.
4. The connecting mechanism according to claim 3, characterized in that the first connecting frame (202) and the second connecting frame (204) are in a right-angled triangular plate shape, and three hinge points are sequentially arranged at three corners of the first connecting frame (202) and the second connecting frame (204).
5. The connecting mechanism according to claim 1, wherein the first connecting frame (202) and the second connecting frame (204) each comprise a first plate and a second plate arranged in parallel, the first plate and the second plate on the first connecting frame (202) are fixedly connected to the hinge point a and the hinge point b through a sleeve at positions corresponding to the hinge point a and the hinge point b, respectively, and the first plate and the second plate on the second connecting frame (204) are fixedly connected to the hinge point c and the hinge point d through a sleeve at positions corresponding to the hinge point c and the hinge point d, respectively.
6. The connecting mechanism according to any one of claims 1 to 5, wherein a load cell (206) is provided at the hinge point of the hinge point f and the hinge point e.
7. A connecting mechanism for an aerial work platform is used for connecting a fixed support (201) and a working bucket (205), and is characterized by further comprising a first connecting frame (202) and a second connecting frame (204) which are positioned between the fixed support (201) and the working bucket (205); the first connecting frame (202) is provided with a hinge point a, a hinge point b and a hinge point e, and the second connecting frame (204) is provided with a hinge point c, a hinge point d and a hinge point f; a hinge point a of the first connecting frame (202) is hinged with the upper part of the fixed bracket (201), and a hinge point b is hinged with the upper part of the working bucket (205); a hinge point c of the second connecting frame (204) is hinged with the lower part of the fixed bracket (201), a hinge point d is hinged with the lower part of the working bucket (205), and a hinge point f is hinged with a hinge point e of the first connecting frame (202); the hinge point a, the hinge point b, the hinge point e, the hinge point c, the hinge point d and the hinge point f are distributed in a triangular shape; the connecting rod (203) is positioned between the first connecting frame (202) and the second connecting frame (204), a hinge point e and a hinge point f are arranged on the connecting rod (203), the hinge point e of the connecting rod (203) is hinged with the hinge point e of the first connecting frame (202), and the hinge point f of the connecting rod (203) is hinged with the hinge point f of the second connecting frame (204).
8. The connection mechanism according to claim 7, wherein the link (203) is arranged horizontally.
9. The connecting mechanism according to claim 7, characterized in that a load cell (206) is provided at the hinge point e.
10. The connecting mechanism according to claim 9, characterized in that the first connecting frame (202) and the fixed frame (201), the first connecting frame (202) and the working bucket (205), the second connecting frame (204) and the fixed frame (201), and the second connecting frame (204) and the working bucket (205) are hinged by a first shaft (207); the connecting rod (203) is hinged with the second connecting frame (204) through a second shaft (208); the connecting rod (203) is hinged with the first connecting frame (202) through the weighing sensor (206).
11. The linkage mechanism according to claim 7 wherein said hinge point a, said hinge point b, said hinge point c and said hinge point d form a parallelogram.
12. The connecting mechanism as claimed in claim 7, wherein the hinge point a, the hinge point b and the hinge point e, and the hinge point c, the hinge point d and the hinge point f are distributed in a right triangle.
13. The connecting mechanism according to claim 12, wherein the first connecting frame (202) and the second connecting frame (204) are in a right-angled triangular plate shape, and three hinge points are sequentially arranged at three corners of the first connecting frame (202) and the second connecting frame (204).
14. The connecting mechanism according to claim 7, wherein the first connecting frame (202) and the second connecting frame (204) each comprise a first plate and a second plate arranged in parallel, the first plate and the second plate on the first connecting frame (202) are fixedly connected with the hinge point a and the hinge point b through a sleeve at the corresponding positions, and the first plate and the second plate on the second connecting frame (204) are fixedly connected with the hinge point c and the hinge point d through a sleeve at the corresponding positions.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010717797.2A CN111792591B (en) | 2020-07-23 | 2020-07-23 | Connecting mechanism for aerial work platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010717797.2A CN111792591B (en) | 2020-07-23 | 2020-07-23 | Connecting mechanism for aerial work platform |
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| CN111792591B true CN111792591B (en) | 2022-01-18 |
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| CN211035113U (en) * | 2019-09-02 | 2020-07-17 | 临工集团济南重机有限公司 | Platform weighing mechanism of aerial work platform |
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Application publication date: 20201020 Assignee: Hunan Xingbang Machinery Equipment Co.,Ltd. Assignor: Hunan Xingbang Intelligent Equipment Co.,Ltd. Contract record no.: X2024980000714 Denomination of invention: A connecting mechanism for high-altitude work platforms Granted publication date: 20220118 License type: Common License Record date: 20240117 |
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