CN211035117U - Platform weighing mechanism of aerial work platform - Google Patents
Platform weighing mechanism of aerial work platform Download PDFInfo
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- CN211035117U CN211035117U CN201921451769.XU CN201921451769U CN211035117U CN 211035117 U CN211035117 U CN 211035117U CN 201921451769 U CN201921451769 U CN 201921451769U CN 211035117 U CN211035117 U CN 211035117U
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Abstract
The utility model particularly relates to a platform weighing mechanism of an aerial work platform, which comprises a platform fixing support and a swing cylinder mounting support, wherein a first connecting and supporting part and a second connecting and supporting part are arranged between the platform fixing support and the swing cylinder mounting support, and the platform fixing support, the first connecting and supporting part, the second connecting and supporting part and the swing cylinder mounting support line form a parallelogram; and a tension sensor is arranged outside the parallelogram, one end of the tension sensor is connected with the platform fixing support, and the other end of the tension sensor is connected with the swing cylinder mounting support. This platform weighing machine constructs, passes through force sensor with work platform's load capacity and detects, has reduced the use quantity of sensor, has practiced thrift manufacturing cost, and structural design is compact, reasonable, with error control within 2 kilograms, has improved measuring result's the degree of accuracy, has optimized assembly manufacturability simultaneously, has improved assembly efficiency.
Description
Technical Field
The utility model belongs to aerial working platform safety field, concretely relates to aerial working platform's platform weighing machine constructs.
Background
When the operation platform on the overhead working truck works, if the weight of the load on the operation platform cannot be accurately weighed, major accidents of vehicle overturning are easily caused. In order to reduce the occurrence of accidents, the load of the platform needs to be monitored, and generally, a weighing mechanism is arranged on an overhead working truck.
The existing weighing mechanism generally adopts the following weighing mechanism. Firstly, a weighing mode that a travel switch is triggered through spring deformation is adopted, although the weighing mode is low in cost, the weighing accuracy is low, and potential safety hazards still exist; the other method is that four sensors are arranged in the same plane of the working platform to weigh, the weighing method improves the accuracy, but the requirement on the accuracy of structural position tolerance is high, so that fault alarm is easily caused by structural deformation. Therefore, the platform weighing mechanism that provides a low in production cost, high aerial working platform of measuring accuracy is the utility model discloses the technical problem that needs the solution.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned technical problem, provide a platform weighing mechanism of aerial working platform, this platform weighing mechanism can effectively monitor work platform's load, and the load position does not have the influence to weighing mechanism's accuracy, and measuring precision is higher, and the cost is lower, has solved technical problem effectively.
The utility model discloses a realize through following technical scheme:
a platform weighing mechanism of an aerial work platform comprises a platform fixing support and a swing cylinder mounting support, wherein a first connecting and supporting part and a second connecting and supporting part are arranged between the platform fixing support and the swing cylinder mounting support, and the platform fixing support, the first connecting and supporting part, the second connecting and supporting part and the swing cylinder mounting support form a parallelogram; and a tension sensor is arranged outside the parallelogram, one end of the tension sensor is connected with the platform fixing support, and the other end of the tension sensor is connected with the swing cylinder mounting support.
Preferably, the first connecting and supporting part or the second connecting and supporting part is a connecting frame, one end of the connecting frame is connected with the platform fixing support, and the other end of the connecting frame is connected with the swing cylinder mounting support.
Preferably, one end of the tension sensor is further connected to the first connection support portion or the second connection support portion.
Preferably, a connecting piece is arranged on the first connecting support part or the second connecting support part, and the connecting piece is used for being connected with the tension sensor.
Preferably, the straight line where the tension sensor is located is parallel to the straight line where the platform fixing support or the swing cylinder mounting support is located.
Preferably, the connecting piece is located at one corner of the parallelogram, and the corner is formed by the first support connecting part and the platform fixing support.
Preferably, the tension sensor is detachably connected with the swing cylinder mounting bracket; the tension sensor is detachably connected with the connecting piece.
Preferably, a first joint bearing is arranged between the tension sensor and the connecting piece, and a second joint bearing is arranged between the tension sensor and the swing cylinder mounting bracket.
Preferably, the first joint bearing is connected with the connecting piece through bolts and nuts; the second joint bearing is connected with the swing cylinder mounting bracket through bolts and nuts.
Preferably, the first connecting support part/the second connecting support part is connected with the platform fixing support and the swing cylinder mounting support through a pin shaft.
The utility model has the advantages that:
1. the platform weighing mechanism of the aerial work platform detects the load capacity of the work platform through the tension sensor, reduces the using amount of the sensors and avoids the damage or alarm of the sensors caused by collision of the aerial work platform in the transportation process; the first connecting and supporting part, the platform fixing support, the second connecting and supporting part and the swinging cylinder mounting support form a parallelogram, so that the measured load capacity can not change due to the position change of a load on the working platform, the error is controlled within 2 kilograms, the accuracy of a measuring result is improved, the structural design is compact and reasonable, the assembly manufacturability is optimized, the assembly efficiency is improved, and the production cost is saved.
2. This aerial working platform's platform weighing mechanism through setting up first joint bearing and second joint bearing for work platform is when receiving the power of left and right directions, does not have the influence to tension sensor's measuring result, has improved platform weighing mechanism's the degree of accuracy.
3. This aerial working platform's platform weighing machine constructs can dismantle tension sensor and first connection supporting part and swing jar installing support and be connected, when tension sensor broke down, conveniently maintains or changes it.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an exploded view of fig. 1.
In the figure, 1, a platform fixing bracket; 2. a swing cylinder mounting bracket; 3. a first connection support part; 4. a second connection support part; 5. a tension sensor; 6. a connecting member; 7. a first joint bearing; 8. a second joint bearing; 9. a bolt and a nut; 10. and (7) a pin shaft.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, the utility model illustrates a platform weighing mechanism of aerial work platform, which comprises a platform fixing support 1 and a swing cylinder mounting support 2, wherein a first connecting and supporting part 3 and a second connecting and supporting part 4 are arranged between the platform fixing support 1 and the swing cylinder mounting support 2, and the platform fixing support 1, the first connecting and supporting part 3, the second connecting and supporting part 4 and the swing cylinder mounting support 2 form a parallelogram; and a tension sensor 5 is arranged outside the parallelogram, one end of the tension sensor 5 is connected with the platform fixing support 1, and the other end of the tension sensor 5 is connected with the swing cylinder mounting support 2.
When the platform fixing support is loaded with a person or an object, the force borne by the platform fixing support is converted into a tensile force through the micro deformation of the parallelogram and transmitted to the tension sensor, the load capacity of the platform fixing support is detected through the tension sensor, and the platform weighing mechanism cannot change due to the change of the load position of the platform fixing support, so that the measurement accuracy is improved, only one tension sensor is used in the platform weighing mechanism, so that the platform weighing mechanism is simple to install and low in manufacturing cost.
The tension sensor is arranged between the platform fixing support and the swing cylinder mounting support, so that the load capacity of the platform fixing support can be accurately measured, and the sensor damage or alarm caused by collision of the aerial work platform in the transportation process can be avoided.
The first connecting and supporting part 3 or the second connecting and supporting part 4 is a connecting frame, one end of the connecting frame is connected with the platform fixing support 1, and the other end of the connecting frame is connected with the swing cylinder mounting support 2.
The platform fixing support and the swing cylinder mounting support are connected together through a connecting frame.
One end of the tension sensor 5 is also connected to the first connection support 3 or the second connection support 4.
One end of the tension sensor is connected with the first connecting and supporting part or the second connecting and supporting part, one end of the tension sensor is connected with the platform fixing support, the other end of the tension sensor is connected with the swing cylinder mounting support, and therefore one end of the tension sensor is connected with the first connecting and supporting part and the platform fixing support (or the swing cylinder mounting support) or the second connecting and supporting part and the platform fixing support (or the swing cylinder mounting support) at the same time.
A connecting piece 6 is arranged on the first connecting support 3 or the second connecting support 4, and the connecting piece 6 is used for connecting with the tension sensor 5.
The connecting piece is connected with the tension sensor and the platform fixing bracket (or the swing cylinder mounting bracket).
The straight line of the tension sensor 5 is parallel to the straight line of the platform fixing support 1 or the swing cylinder mounting support 2.
That is, as shown in fig. 1, the platform fixing bracket or the swing cylinder mounting bracket is in the vertical direction, and the line on which the tension sensor is located is also in the vertical direction.
The connecting piece 6 is positioned at one corner of the parallelogram, and the corner is the corner formed by the first support connecting part 3 and the platform fixing support 1.
One end of the tension sensor is connected with one corner of the parallelogram, and the other end of the tension sensor is connected to the swing cylinder mounting bracket.
The tension sensor 5 is detachably connected with the swing cylinder mounting bracket 2; the tension sensor 5 is detachably connected with the connecting piece 6.
The tension sensor is detachably connected with the swing cylinder mounting bracket and the connecting piece, so that the tension sensor is conveniently maintained or replaced when the tension sensor breaks down.
A first joint bearing 7 is arranged between the tension sensor 5 and the connecting piece 6, and a second joint bearing 8 is arranged between the tension sensor 5 and the swing cylinder mounting bracket 2.
Through setting up first joint bearing and second joint bearing, when platform fixed bolster or swing jar installing support received power about, first joint bearing or second joint bearing can offset the stress of some left and right directions, make tension sensor measuring pulling force only vertical direction power, the load capacity that receives on the platform fixed bolster that also is favorable to tension sensor measuring accuracy, with measured error control within 2 kilograms.
The first joint bearing 7 is connected with the connecting piece 6 through a bolt and a nut 9; the second oscillating bearing 8 is connected with the oscillating cylinder mounting bracket 2 through a bolt and a nut 9.
The first connecting and supporting part 3/the second connecting and supporting part 4 are connected with the platform fixing support 1 and the swing cylinder mounting support 2 through a pin shaft 10.
When the platform fixed bolster receives vertical ascending power, the bolt removes in the screw, and the platform fixed bolster moves upward behind the certain distance and contacts with swing cylinder installing support, and the continuation upward movement no longer to reach the spacing purpose of platform fixed bolster, consequently tension sensor can not receive impact or load because the platform fixed bolster atress moves upward again.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A platform weighing mechanism of an aerial work platform comprises a platform fixing support and a swing cylinder mounting support, and is characterized in that a first connecting and supporting part and a second connecting and supporting part are arranged between the platform fixing support and the swing cylinder mounting support, and the platform fixing support, the first connecting and supporting part, the second connecting and supporting part and the swing cylinder mounting support form a parallelogram; and a tension sensor is arranged outside the parallelogram, one end of the tension sensor is connected with the platform fixing support, and the other end of the tension sensor is connected with the swing cylinder mounting support.
2. The platform weighing mechanism of claim 1, wherein the first or second connection support is a link, one end of the link being connected to the platform fixed bracket and the other end being connected to the swing cylinder mounting bracket.
3. The platform weighing mechanism of claim 2, wherein one end of the tension sensor is further connected to the first connection support or the second connection support.
4. The platform weighing mechanism of claim 3, wherein a connector is provided on the first or second connection support for connection with the tension sensor.
5. The platform weighing mechanism of claim 4, wherein the line on which the tension sensor is located is parallel to the line on which the platform fixed support or the swing cylinder mounting support is located.
6. The platform weighing mechanism of claim 5, wherein the connector is disposed at a corner of the parallelogram, the corner being comprised of a first support connection and the platform mounting bracket.
7. The platform weighing mechanism of claim 6, wherein the tension sensor is removably connected to the swing cylinder mounting bracket; the tension sensor is detachably connected with the connecting piece.
8. The platform weighing mechanism of claim 7, wherein a first joint bearing is disposed between the tension sensor and the connecting member, and a second joint bearing is disposed between the tension sensor and the swing cylinder mounting bracket.
9. The platform weighing mechanism of claim 8, wherein the first spherical plain bearing is connected with the connecting piece through bolts and nuts; the second joint bearing is connected with the swing cylinder mounting bracket through bolts and nuts.
10. The platform weighing mechanism of claim 9, wherein the first/second connection support is connected to the platform fixed support and swing cylinder mounting support by a pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921451769.XU CN211035117U (en) | 2019-09-02 | 2019-09-02 | Platform weighing mechanism of aerial work platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921451769.XU CN211035117U (en) | 2019-09-02 | 2019-09-02 | Platform weighing mechanism of aerial work platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211035117U true CN211035117U (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921451769.XU Active CN211035117U (en) | 2019-09-02 | 2019-09-02 | Platform weighing mechanism of aerial work platform |
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| Country | Link |
|---|---|
| CN (1) | CN211035117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436391A (en) * | 2019-09-02 | 2019-11-12 | 临工集团济南重机有限公司 | A kind of platform Weighing mechanism of aerial work platform |
-
2019
- 2019-09-02 CN CN201921451769.XU patent/CN211035117U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436391A (en) * | 2019-09-02 | 2019-11-12 | 临工集团济南重机有限公司 | A kind of platform Weighing mechanism of aerial work platform |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.2676 Kejia Road, high tech Zone, Jinan City, Shandong Province, 250104 Patentee after: Lingong Heavy Machinery Co.,Ltd. Address before: 250101 no.2676 Kejia Road, high tech Zone, Jinan City, Shandong Province Patentee before: LINGONG GROUP JINAN HEAVY MACHINERY Co.,Ltd. |
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| CP03 | Change of name, title or address |