CN110316659A - A kind of luffing range of cantilever support angle detection device - Google Patents
A kind of luffing range of cantilever support angle detection device Download PDFInfo
- Publication number
- CN110316659A CN110316659A CN201910635699.1A CN201910635699A CN110316659A CN 110316659 A CN110316659 A CN 110316659A CN 201910635699 A CN201910635699 A CN 201910635699A CN 110316659 A CN110316659 A CN 110316659A
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- China
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- level
- arm
- forearm
- postbrachium
- cantilever support
- Prior art date
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- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 210000000245 forearm Anatomy 0.000 claims abstract description 26
- 230000007704 transition Effects 0.000 claims abstract description 9
- 238000004873 anchoring Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000035800 maturation Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/20—Control systems or devices for non-electric drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
- B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions
- B66C23/828—Bracing equipment acting at an inclined angle to vertical and horizontal directions where the angle is adjustable
-
- 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
- B66F11/044—Working platforms suspended from booms
- B66F11/046—Working platforms suspended from booms of the telescoping type
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a kind of luffing range of cantilever support angle detection devices, the device includes sequentially connected level-one postbrachium, level-one arm insulating segment, sets backed level-one forearm and sequentially connected second level forearm, second level arm insulating segment and second level postbrachium, level-one postbrachium is hinged in cantilever support, second level forearm is hingedly on the support, hinged level-one amplitude oil cylinder between cantilever support and level-one postbrachium, level-one forearm and second level forearm pass through first rotating shaft and the hinged second level amplitude oil cylinder of the second shaft respectively；Stay wire sensor is set on level-one postbrachium, sets transition wheel on level-one forearm, pulley is set in first rotating shaft, flexible soft rope is fixed in the end face center of the second shaft after passing through transition wheel and pulley in stay wire sensor, stay wire sensor and controller are electrically connected, and electrical component simple structure in the present apparatus is low in cost, technology maturation is reliable, extension elongation by detecting amplitude oil cylinder calculates cantilever crane angle, and output data is constant and data precision is high, and it is small that control system controls difficulty.
Description
Technical field
The present invention relates to engineering machinery manufacturing fields, and in particular to a kind of luffing range of cantilever support angle detection device.
Background technique
Currently, as high-altitude operation vehicle gradually develops toward the direction of big height, but it is limited to condition of road surface, high-altitude operation vehicle
Traveling width and supporting leg span when operation can only reduce as far as possible.However as the raising of operation height, absolutely mostly
Several high-altitude operation vehicles cannot achieve working arm and stretch operation entirely under horizontality, so the operation amplitude that high-altitude operation vehicle is equipped with
Limitation system seems particularly necessary.The luffing range of cantilever support angle parameter data that the system of high-altitude operation vehicle operation amplitude limitation simultaneously needs
Detection accuracy to actual job parameter generate large effect.Luffing range of cantilever support angle general at present is detected by being mounted on work
The length angular transducer for making arm arm tail measures, and detection mode suffers from the drawback that electrical component is with high costs in this, is common
Five times or more of linear transducer price, structure is complicated, high failure rate, poor reliability, once damage, control system can lose simultaneously
The data for losing cantilever crane extension elongation and change angle, bring security risk to high altitude operation；Length angular transducer is mounted on arm
Frame tail portion, measured luffing range of cantilever support angle-data can bring fluctuation and deviation because of cantilever crane inertia, the mistake for causing cantilever crane to act
Alarm.
In addition, high-altitude operation vehicle collapsible for insulated type, it is desirable that each section working arm needs one section using insulation material
Material production, while cannot have any conducting medium in insulating segment, it otherwise will affect vehicle insulation performance.It is limited by this condition,
Due to that can not arrange electrical component on arm, so that the detection of insulation second level luffing range of cantilever support angle becomes particularly difficult.
Summary of the invention
For above-mentioned technical deficiency, the object of the present invention is to provide a kind of luffing range of cantilever support angle detection device,
Electrical component simple structure, low in cost, technology maturation is reliable, and the extension elongation by detecting amplitude oil cylinder calculates cantilever crane angle
Degree, output data is constant and data precision is high, and it is small that control system controls difficulty.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
The present invention provides a kind of luffing range of cantilever support angle detection device, level-one arm including cantilever support, equipped with telescopic arm, two
Grade arm, second level amplitude oil cylinder, level-one amplitude oil cylinder, anchoring and controller, the level-one arm are connected in including successively screw thread
Level-one postbrachium together, level-one arm insulating segment and backed level-one forearm is set, the level-one postbrachium is hinged on the cantilever crane
In support, the second level arm includes the second level forearm, second level arm insulating segment and second level postbrachium that successively screw thread connects together, described
Second level forearm is hinged on the support, and the both ends of the level-one amplitude oil cylinder are respectively hinged at the cantilever support and described one
On grade postbrachium, second level amplitude oil cylinder bottom end is hinged by first rotating shaft and the level-one forearm, the second level amplitude oil cylinder
Extension end is hinged by the second shaft and the second level forearm；The anchoring includes being fixed on the level-one postbrachium outer wall
Stay wire sensor, the transition wheel that is fixed on the level-one forearm outer wall and be fixed in the first rotating shaft and and its
The pulley being coaxially set, the soft rope of flexibility in the stay wire sensor sequentially pass through fixed after the transition wheel and the pulley
In the end face center of second shaft, the stay wire sensor and the controller are electrically connected.
Preferably, the sliding slot being adapted to the soft rope of flexibility is provided in the circumferential edge of the pulley.
Preferably, the projection of the soft rope of flexibility in the horizontal plane between the stay wire sensor and second shaft is in
On same straight line.
Preferably, the soft rope of flexibility is made of isolation material.
Preferably, when the level-one arm is parallel with the second level arm, the soft rope of flexibility along the pulley tangent line side
To around its 1/2 week.
The beneficial effects of the present invention are: cantilever crane angle-data is realized using normal length sensor, that is, stay wire sensor
Detection, electrical component simple structure, technology maturation, high reliablity；Element manufacturing cost is cheap；Pass through stretching for detection amplitude oil cylinder
Length computation cantilever crane angle out, output data is constant and data precision is high, and it is small that control system controls difficulty.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram for luffing range of cantilever support angle detection device that the embodiment of the present invention 1 provides；
Fig. 2 is the anchoring structural schematic diagram that the embodiment of the present invention 1 provides；
Fig. 3 is the pulley structure schematic diagram that the embodiment of the present invention 1 provides；
Fig. 4 is a kind of structural schematic diagram for luffing range of cantilever support angle detection device that the embodiment of the present invention 2 provides；
Fig. 5 is the R2 angle schematic diagram that the embodiment of the present invention 1 provides；
Fig. 6 is the R1 angle schematic diagram that the embodiment of the present invention 2 provides.
Description of symbols:
1, cantilever support, 2, level-one arm, 22, level-one telescopic arm, 211, level-one forearm, 212, level-one arm insulating segment, 213,
Level-one postbrachium, 214, support, 3, second level arm, 31, second level forearm, 32, second level arm insulating segment, 33, second level postbrachium, 4, second level luffing
Oil cylinder, 5, anchoring, 51, stay wire sensor, 512, flexible soft rope, 52, transition wheel, 53, pulley, 6, level-one amplitude oil cylinder,
7, controller.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1: as shown in Figure 1 to Figure 2, a kind of luffing range of cantilever support angle detection device, including it is rotatably connected on insulated type
Cantilever support 1 on collapsible high-altitude operation vehicle, the level-one arm 2 equipped with telescopic arm 22, second level arm 3, second level amplitude oil cylinder 4, one
Grade amplitude oil cylinder 6, anchoring 5 and controller 7, the level-one arm 2 include the level-one postbrachium that successively screw thread connects together
213, level-one arm insulating segment 212 and the level-one forearm 211 equipped with support 214, the level-one postbrachium 213 are hinged on the cantilever crane
In support 1, the second level arm 3 includes successively after second level forearm 31, second level arm insulating segment 32 and second level that screw thread connects together
Arm 33, the second level forearm 31 are hinged on the support 214, the external work platform of the second level postbrachium 33, the level-one
The both ends of amplitude oil cylinder 6 are respectively hinged in the cantilever support 1 and the level-one postbrachium 213,4 bottom of second level amplitude oil cylinder
End is hinged by first rotating shaft and the level-one forearm 211,4 extension end of second level amplitude oil cylinder by the second shaft with it is described
Second level forearm 31 is hinged；The anchoring 5 includes the stay wire sensor 51 being fixed on 213 outer wall of level-one postbrachium, consolidates
It the transition wheel 52 that is scheduled on 211 outer wall of level-one forearm and is fixed in the first rotating shaft and coaxially line setting
Pulley 53, the soft rope 512 of flexibility in the stay wire sensor 51 sequentially passes through the transition wheel 52 and the pulley 53 is circumferential
It is fixed on behind edge in the end face center of second shaft, the stay wire sensor 51 is electrically connected with the controller 7.
The sliding slot being adapted to the soft rope 512 of the flexibility is provided in the circumferential edge of the pulley 53 as shown in Figure 3.
The projection of the soft rope 512 of flexibility in the horizontal plane between the stay wire sensor 51 and second shaft is in together
On straight line.
The soft rope 512 of flexibility is made of isolation material.
When level-one arm 2 is parallel with the second level arm 3, the soft rope 512 of flexibility along the pulley 53 tangential direction around
It is 1/2 week.
In use, specific detecting step includes:
Step 1, when second level arm 3 work when, the length of second level amplitude oil cylinder 4 elongates or shortens, and is sensed by bracing wire
Device 51 acquires flexible soft 512 extension elongation data of rope, due in the present apparatus, the length of flexible soft rope 512 in stay wire sensor 51
Flexible soft 512 length of rope is changed number by variation synchronous with the 4 telescopic rod collapsing length generation of second level amplitude oil cylinder, stay wire sensor 51
It is believed that number output feeds back to controller 7.
Step 2, flexible soft 512 length data of rope arrive the 3 change angle data reduction of second level arm: controller 7 is by the soft rope of flexibility
The data-signal of 512 length variation, by calculating the angle R2 for converting and obtaining between A2B2 and A2C2, wherein A2 point refers to support
214 with second level forearm 31 connection hinge, B2 point refers to first rotating shaft end face midpoint, and C2 point the second shaft end face midpoint is specific to count
Calculating principle is；When second level arm 3 is in original horizontal position, the angle between A2B2 and A2C2 is α 2 at this time, then R2=α 2+ Δ R,
Δ R is the practical change angle of second level arm 3, and A2B2 wire length L3 and A2C2 wire length L4 remains invariable,
B2C2 line distance L2 DATA REASONING when second level arm 3 is in original horizontal position it is found that when the practical luffing Δ R of second level arm 3 is spent,
B2C2 wire length L1=L2+ Δ L, Δ L are flexible soft rope transform length, can be according to the reality of counted L1 according to the cosine law
Border length computation obtains the actual angle data of R2, according to R2=α 2+ Δ R formula, and known you can get it the second level arm 3 of 2 data of α
Practical change angle Δ R.
Step 3, the output of 3 change angle data of second level arm: controller 7 converts the counted angle R2 of step 2 to obtain second level
The practical change angle of arm 3, practical change angle data of the controller 7 according to second level arm 3, controls and identifies that high-altitude operation vehicle is
It is no to reach vehicle risk operating angle limit value, if second level arm 3 reaches vehicle risk operating angle limit value, then it can provide and stop working
Arm continues the instruction of movement, guarantees vehicle operation safety.
The invention has the advantages that realizing the detection of cantilever crane angle-data using normal length sensor, that is, stay wire sensor, electrically
Element simple structure, technology maturation, high reliablity；Element manufacturing cost is cheap；By the extension elongation meter for detecting amplitude oil cylinder
Cantilever crane angle is calculated, output data is constant and data precision is high, and it is small that control system controls difficulty.
Embodiment 2: as shown in figure 4, a kind of luffing range of cantilever support angle detection device, including it is rotatably connected on plain edition high-altitude work
Cantilever support 1 on industry vehicle, be hinged on the level-one arm 2 at 1 top of the cantilever support, level-one amplitude oil cylinder 6, anchoring and
Controller 7,6 bottom end of level-one amplitude oil cylinder is hinged by third shaft and the cantilever support 1, the level-one amplitude oil cylinder
6 extension ends are hinged by the 4th shaft and the level-one arm 2, and the anchoring includes the drawing being fixed on the level-one arm 2
It line sensor 51 and is fixed in the third shaft and the coaxial pulley 53 of line setting, in the stay wire sensor 51
The soft rope 512 of flexibility pass through 53 circumferential edge of pulley after be fixed on the midpoint of third shaft end face, the stay wire sensor 51 with
The controller 7 is electrically connected.
The sliding slot being adapted to the soft rope 512 of the flexibility is provided in the circumferential edge of the pulley 53.
The projection of the soft rope of flexibility in the horizontal plane between the stay wire sensor 51 and the third shaft is in same
On straight line.
The soft rope 512 of flexibility is made of isolation material.
When level-one arm 2 is horizontally disposed with, the soft rope 512 of flexibility is along the tangential direction of the pulley 53 around its 1/4 week.
In use, specific detecting step includes:
Step 1, when level-one arm 2 work when, the length of level-one amplitude oil cylinder 6 elongates or shortens, and is sensed by bracing wire
Device 51 acquires flexible soft 512 extension elongation data of rope, due in the present apparatus, the length of flexible soft rope 512 in stay wire sensor 51
Flexible soft 512 length of rope is changed number by variation synchronous with the 6 telescopic rod collapsing length generation of level-one amplitude oil cylinder, stay wire sensor 51
It is believed that number output feeds back to controller 7.
Step 2, flexible soft 512 length data of rope arrive the 2 change angle data reduction of level-one arm: controller 7 is by the soft rope of flexibility
The data-signal of 512 length variation obtains the angle R1 between A1B1 and A1C1 by calculating conversion, wherein A1 cantilever support 1
With the connection hinge of level-one arm 2, B1 point refers to third shaft end face midpoint, the 4th shaft end face midpoint of C1 point, specific Computing Principle
Are as follows: when level-one arm 2 is in initial position, the angle between A1B1 and A1C1 is α 1 at this time, then R1=α 1+ Δ R, and Δ R is level-one
The practical change angle of arm 2, A1B1 wire length remain invariable with A1C1 wire length, and the spacing of B1C1 line
From L, in initial position, for data it is known that when the practical luffing Δ R of level-one arm 2 is spent, B1C1 wire length is L+ Δ at level-one arm
L, Δ L are flexible soft rope transform length, and the actual corners of R1 can be calculated according to the physical length of L+ Δ L according to the cosine law
Degree evidence, due to R1=α 1+ Δ R, and known you can get it the practical change angle Δ R of level-one arm 2 of 1 data of α.
Step 3, the output of 2 change angle data of level-one arm: controller 7 converts the counted angle R1 of step 2 to obtain level-one
The practical change angle of arm 2, practical change angle data of the controller 7 according to level-one arm 2, controls and identifies that high-altitude operation vehicle is
It is no to reach vehicle risk operating angle limit value, if level-one arm 2 reaches vehicle risk operating angle limit value, then it can provide and stop working
Arm continues the instruction of movement, guarantees vehicle operation safety.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (5)
1. a kind of luffing range of cantilever support angle detection device, which is characterized in that including cantilever support (1), one equipped with telescopic arm (22)
Grade arm (2), second level arm (3), second level amplitude oil cylinder (4), level-one amplitude oil cylinder (6), anchoring (5) and controller (7), institute
State level-one arm (2) include the level-one postbrachium (213) that successively screw thread connects together, level-one arm insulating segment (212) and be equipped with support
(214) level-one forearm (211), the level-one postbrachium (213) are hinged on the cantilever support (1), second level arm (3) packet
Second level forearm (31), second level arm insulating segment (32) and second level postbrachium (33) that successively screw thread connects together are included, before the second level
Arm (31) is hinged on the support (214), and the both ends of the level-one amplitude oil cylinder (6) are respectively hinged at the cantilever support
(1) and on the level-one postbrachium (213), second level amplitude oil cylinder (4) bottom end passes through first rotating shaft and the level-one forearm
(211) hingedly, second level amplitude oil cylinder (4) extension end is hinged by the second shaft and the second level forearm (31)；The drawing
Line apparatus (5) includes the stay wire sensor (51) being fixed on level-one postbrachium (213) outer wall, is fixed on the level-one forearm
(211) it the transition wheel on outer wall (52) and is fixed in the first rotating shaft and the coaxial pulley (53) of line setting,
The soft rope (512) of flexibility in the stay wire sensor (51) sequentially passes through the transition wheel (52) and the pulley (53) is fixed afterwards
In the end face center of second shaft, the stay wire sensor (51) and the controller (7) are electrically connected.
2. a kind of luffing range of cantilever support angle detection device as described in claim 1, which is characterized in that the circumferential direction of the pulley (53)
The sliding slot being adapted to the soft rope of flexibility (512) is provided on edge.
3. a kind of luffing range of cantilever support angle detection device as described in claim 1, which is characterized in that the stay wire sensor (51)
The projection of the soft rope (512) of flexibility in the horizontal plane between second shaft is on same straight line.
4. a kind of luffing range of cantilever support angle detection device as described in claim 1, which is characterized in that the soft rope of flexibility (512)
It is made of isolation material.
5. a kind of luffing range of cantilever support angle detection device as described in claim 1, which is characterized in that the level-one arm (2) and institute
State second level arm (3) it is parallel when, the soft rope of flexibility (512) is along the tangential direction of the pulley (53) around its 1/2 week.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910635699.1A CN110316659A (en) | 2019-07-15 | 2019-07-15 | A kind of luffing range of cantilever support angle detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910635699.1A CN110316659A (en) | 2019-07-15 | 2019-07-15 | A kind of luffing range of cantilever support angle detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110316659A true CN110316659A (en) | 2019-10-11 |
Family
ID=68123460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910635699.1A Pending CN110316659A (en) | 2019-07-15 | 2019-07-15 | A kind of luffing range of cantilever support angle detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110316659A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739346A (en) * | 2022-04-06 | 2022-07-12 | 湖南中联重科智能高空作业机械有限公司 | Cantilever crane angle detection device and engineering mechanical equipment |
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| CN103673969A (en) * | 2013-12-17 | 2014-03-26 | 北汽福田汽车股份有限公司 | Method for measuring included angle between auxiliary arm and main arm in engineering machine and the engineering machine |
| CN104591051A (en) * | 2014-12-02 | 2015-05-06 | 徐州重型机械有限公司 | Multi-mode amplitude control system of crank arm type overhead working truck |
| CN104843616A (en) * | 2015-04-17 | 2015-08-19 | 徐州徐工随车起重机有限公司 | Overhead working truck boom and control method for working radius of overhead working truck boom |
| CN205898112U (en) * | 2016-08-04 | 2017-01-18 | 长沙中联恒通机械有限公司 | Cantilever crane angle detecting means |
| CN210710414U (en) * | 2019-07-15 | 2020-06-09 | 徐州海伦哲特种车辆有限公司 | Cantilever crane becomes width of cloth angle detection device |
-
2019
- 2019-07-15 CN CN201910635699.1A patent/CN110316659A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673969A (en) * | 2013-12-17 | 2014-03-26 | 北汽福田汽车股份有限公司 | Method for measuring included angle between auxiliary arm and main arm in engineering machine and the engineering machine |
| CN104591051A (en) * | 2014-12-02 | 2015-05-06 | 徐州重型机械有限公司 | Multi-mode amplitude control system of crank arm type overhead working truck |
| CN104843616A (en) * | 2015-04-17 | 2015-08-19 | 徐州徐工随车起重机有限公司 | Overhead working truck boom and control method for working radius of overhead working truck boom |
| CN205898112U (en) * | 2016-08-04 | 2017-01-18 | 长沙中联恒通机械有限公司 | Cantilever crane angle detecting means |
| CN210710414U (en) * | 2019-07-15 | 2020-06-09 | 徐州海伦哲特种车辆有限公司 | Cantilever crane becomes width of cloth angle detection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739346A (en) * | 2022-04-06 | 2022-07-12 | 湖南中联重科智能高空作业机械有限公司 | Cantilever crane angle detection device and engineering mechanical equipment |
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