CN205820728U - A kind of crane job amplitude measurement device - Google Patents
A kind of crane job amplitude measurement device Download PDFInfo
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- CN205820728U CN205820728U CN201620688214.7U CN201620688214U CN205820728U CN 205820728 U CN205820728 U CN 205820728U CN 201620688214 U CN201620688214 U CN 201620688214U CN 205820728 U CN205820728 U CN 205820728U
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Abstract
The utility model discloses a kind of crane job amplitude measurement device, by being provided with the ultraviolet laser irradiated in the horizontal direction on arm head, ultraviolet laser is connected by right angle rack with weight, right angle is directly arranged on the bearing of arm head, can ensure that the elevation angle of no matter crane for how many all can be with horizontal irradiation, it is arranged over the ultraviolet laser irradiated vertically upward at centre of gyration device simultaneously, ultraviolet laser is connected by straight line support with weight, can ensure that no matter crane vehicle body angle is how many, and ultraviolet laser is launched the most vertically upward.In addition detect the distance of speck by being located at the imageing sensor of the band ultraviolet passband of arm head, this distance is the operation amplitude of crane.This utility model can directly measure the operation amplitude of crane, and has higher precision, is of value to the precision improving crane torque limiter.
Description
Technical field
This utility model relates to a kind of crane job amplitude measurement device.
Background technology
Crane job amplitude occupies highly important status in the limiter of moment of crane designs, operation amplitude
Error directly influences the precision of limiter of moment.The operation amplitude of crane is affected by crane luffing angle and lift heavy,
And it is a variable quantity in operation process, currently without the method the most directly measuring crane job amplitude, typically
It is to obtain after parameter the deflection deformation according to crane large arm by the sensor such as the master cylinder pressure of crane, obliquity sensor
Formula backstepping obtains the operation amplitude of crane, there is the deficiencies such as error factor big, impacted is many.
Utility model content
For above-mentioned the deficiencies in the prior art, this utility model provides a kind of crane job amplitude measurement device, should
Device can directly measure the operation amplitude of crane, and has preferable precision, can effectively provide force moment of crane to limit
The precision of device.
To achieve these goals, this utility model is achieved through the following technical solutions:
A kind of crane job amplitude measurement device, including crane, described crane is provided with large arm and the centre of gyration
Device, described large arm is connected with centre of gyration device, it is characterised in that this crane job amplitude measurement device also includes two
Ultraviolet laser and two weights, one of them described ultraviolet laser irradiates in the horizontal direction, and is located at large arm
Arm head one end, described ultraviolet laser is connected by vertical support frame with weight, and the apex of described vertical support frame is located at bearing
Set, described bearing holder (housing, cover) is located on the bearing of arm head；Another described ultraviolet laser is located at above centre of gyration device, and
Irradiating vertically upward, described ultraviolet laser is connected by straight line support with another weight, the center of described straight line support
Position is provided with bearing holder (housing, cover), and described bearing holder (housing, cover) is located on centre of gyration device on the trunnion axis of welding；It is additionally provided with band on described arm head
The imageing sensor of ultraviolet passband.
From technique scheme it can be seen that this utility model is by being provided with the ultraviolet irradiated in the horizontal direction on arm head
Laser line generator, ultraviolet laser is connected by right angle rack with weight, and right angle is directly arranged on the bearing of arm head, it is ensured that
No matter to be how many all can be arranged over irradiating vertically upward at centre of gyration device with horizontal irradiation simultaneously at the elevation angle of crane
Ultraviolet laser, ultraviolet laser is connected by straight line support with weight, it is ensured that no matter crane vehicle body angle is
How much, ultraviolet laser is launched the most vertically upward.Owing to ozone layer is strong to solar ultraviolet line absorption, and near-earth atmosphere pair
Ultraviolet has strong scattering process, and in little scope, weather is the least on the impact of ultraviolet.Therefore, purple in horizontal and vertical
The place that outer line laser crosses will have higher reflection light.In addition by being located at the image sensing of the band ultraviolet passband of arm head
The distance of device detection speck, this distance is the operation amplitude of crane.This utility model can directly measure crane
Operation amplitude, and there is higher precision, it is of value to the precision improving crane torque limiter.
Accompanying drawing explanation
In conjunction with accompanying drawing, and by with reference to detailed description below, it will more easily this utility model is had more complete
Understand and its adjoint advantage and feature be more easily understood, wherein:
Fig. 1 is structural representation of the present utility model；
[reference in figure]:
1-large arm, 2-centre of gyration device, 3-ultraviolet laser, 4-weight, 5-vertical support frame, 6-bearing, 7-straight line
Support, 8-trunnion axis.
Detailed description of the invention
For making content of the present utility model more clear understandable, below in conjunction with Figure of description, in of the present utility model
Appearance is described further.Certainly this utility model is not limited to this specific embodiment, known to those skilled in the art
General replacement be also covered by protection domain of the present utility model.Secondly, this utility model utilizes schematic diagram to carry out in detail
Statement, describe in detail this utility model example time, for convenience of description, schematic diagram not according to general ratio partial enlargement, should
In this, as to restriction of the present utility model.
It should be noted that in following embodiment, utilize the schematic diagram of Fig. 1 to by this utility model one crane
Operation amplitude measurement device has carried out detailed statement.When describing embodiment of the present utility model in detail, for convenience of description, show
It is intended to not draw and carried out partial enlargement according to general ratio and omission processes, therefore, should avoid in this, as to this practicality
Novel restriction.
As it is shown in figure 1, this utility model provides a kind of crane job amplitude measurement device, including crane, described
Crane is provided with large arm 1 and centre of gyration device 2, and large arm 1 is connected with centre of gyration device 2, and this crane job amplitude is surveyed
Amount device also includes two ultraviolet lasers 3 and two weights 4, and one of them ultraviolet laser 3 irradiates in the horizontal direction,
And being located at arm head one end of large arm 1, ultraviolet laser 3 is connected by vertical support frame 5 with weight 4, the summit of vertical support frame 5
Place is located at bearing holder (housing, cover), and bearing holder (housing, cover) is located on the bearing 6 of arm head 1, and keeps free rotary, it is ensured that be contained in the ultraviolet of arm head 1
The light beam of laser line generator 3 level all the time.
Another ultraviolet laser 3 is located at above centre of gyration device 2, and irradiates vertically upward, ultraviolet laser
Device 3 is connected by straight line support 7 with another weight 4, and the centre of straight line support 7 is provided with bearing holder (housing, cover), and bearing holder (housing, cover) is located at back
Turn on center fixture 1 on the trunnion axis 8 of welding, and keep free rotary, can make the light beam of generating laser 3 all the time vertically to
On.
The laser of horizontal direction and the laser launched vertically upward, at the laser of two ultraviolet lasers 3 and transmitting thereof
In same plane and cross with crane above certain point, the distance of this point to arm head is exactly the operation amplitude of crane, this point
Distance to horizontal plane is the operation height of crane；And in the operation process of crane, along with crane pitching, hang
The change of weight, the position of joint will be lower mobile in vertical direction.
The imageing sensor of band ultraviolet passband it is additionally provided with on arm head.Triangulation distance is used by imageing sensor
Schematic diagram, at the focal length of sensor lens, center sensor in the case of known to the distance at laser light beam center, detect light
Speckle projected position in the sensor, can be calculated the hot spot distance to sensor, and this distance is exactly the work of crane
Industry amplitude.
In sum, this utility model is by being provided with the ultraviolet laser 3 irradiated in the horizontal direction, ultraviolet on arm head
Laser line generator 3 and weight 4 is connected by right angle rack 5, and right angle direct 5 is located on the bearing 6 of arm head, it is ensured that no matter lifting
The elevation angle of machine is how many all can be arranged over, with horizontal irradiation, the ultraviolet irradiated vertically upward simultaneously at centre of gyration device 2
Laser instrument 3, ultraviolet laser 3 is connected by straight line support 7 with weight 4, it is ensured that no matter crane vehicle body angle is many
Few, ultraviolet laser 3 is launched the most vertically upward.Owing to ozone layer is strong to solar ultraviolet line absorption, and near-earth atmosphere pair
Ultraviolet has strong scattering process, and in little scope, weather is the least on the impact of ultraviolet.Therefore, purple in horizontal and vertical
The place that outer line laser crosses will have higher reflection light.In addition by being located at the image sensing of the band ultraviolet passband of arm head
The distance of device detection speck, this distance is the operation amplitude of crane.This utility model can directly measure crane
Operation amplitude, and there is higher precision, it is of value to the precision improving crane torque limiter.
Although it is understood that this utility model discloses as above with preferred embodiment, but above-described embodiment is not
In order to limit this utility model.For any those of ordinary skill in the art, without departing from this utility model technical side
Under case ambit, technical solutions of the utility model are made many possible variations by the technology contents that all may utilize the disclosure above
And modification, or it is revised as the Equivalent embodiments of equivalent variations.Therefore, every content without departing from technical solutions of the utility model,
According to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, the most still belong to
In the range of technical solutions of the utility model are protected.
Claims (1)
1. a crane job amplitude measurement device, including crane, described crane is provided with large arm and centre of gyration dress
Putting, described large arm is connected with centre of gyration device, it is characterised in that this crane job amplitude measurement device also includes two purples
Outer laser line generator and two weights, one of them described ultraviolet laser irradiates in the horizontal direction, and is located at the arm of large arm
First end, described ultraviolet laser is connected by vertical support frame with weight, and the apex of described vertical support frame is located at bearing holder (housing, cover),
Described bearing holder (housing, cover) is located on the bearing of arm head；Another described ultraviolet laser is located at above centre of gyration device, and hangs down
Directly upwards irradiating, described ultraviolet laser is connected by straight line support with another weight, the central part of described straight line support
Position is provided with bearing holder (housing, cover), and described bearing holder (housing, cover) is located on centre of gyration device on the trunnion axis of welding；Band it is additionally provided with purple on described arm head
The imageing sensor of outside line passband.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620688214.7U CN205820728U (en) | 2016-06-26 | 2016-06-26 | A kind of crane job amplitude measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620688214.7U CN205820728U (en) | 2016-06-26 | 2016-06-26 | A kind of crane job amplitude measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205820728U true CN205820728U (en) | 2016-12-21 |
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ID=57566141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620688214.7U Active CN205820728U (en) | 2016-06-26 | 2016-06-26 | A kind of crane job amplitude measurement device |
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| Country | Link |
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| CN (1) | CN205820728U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109665447A (en) * | 2018-12-06 | 2019-04-23 | 北汽福田汽车股份有限公司 | The acquisition device and method of crane and its boom amplitude |
| CN110260832A (en) * | 2019-06-25 | 2019-09-20 | 上海市特种设备监督检验技术研究院 | A kind of crane amplitude measurement method |
-
2016
- 2016-06-26 CN CN201620688214.7U patent/CN205820728U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109665447A (en) * | 2018-12-06 | 2019-04-23 | 北汽福田汽车股份有限公司 | The acquisition device and method of crane and its boom amplitude |
| CN110260832A (en) * | 2019-06-25 | 2019-09-20 | 上海市特种设备监督检验技术研究院 | A kind of crane amplitude measurement method |
| CN110260832B (en) * | 2019-06-25 | 2020-10-16 | 上海市特种设备监督检验技术研究院 | Crane amplitude measuring method |
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| GR01 | Patent grant |