CN2237033Y - Control arm of crane - Google Patents
Control arm of crane Download PDFInfo
- Publication number
- CN2237033Y CN2237033Y CN 95235041 CN95235041U CN2237033Y CN 2237033 Y CN2237033 Y CN 2237033Y CN 95235041 CN95235041 CN 95235041 CN 95235041 U CN95235041 U CN 95235041U CN 2237033 Y CN2237033 Y CN 2237033Y
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- China
- Prior art keywords
- column
- fixed
- movable arm
- table top
- gear
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Abstract
The utility model discloses a control arm for a crane, being composed of a table surface, a movable arm, a column head and a column. Every two part are respectively connected by a sliding joint for the table surface, a rotating joint for the movable arm and a rotating joint for the column, and each joint can drive a displacement sensor or an angle sensor to send out control signals, so that a lifting motor, an amplitude changing motor and a swing motor can be controlled respectively. According to the magnitude and the direction of an acting force to a handle by a driver, the hook of the crane can travel along with the track of the control arm in a similar line in the air, so that the bionic control of the crane can be realized. The utility model has the advantages of reduced labour intensity, free and safe operation, and improved productivity.
Description
The utility model belongs to elevator machinery, particularly be important component part maneuvering device in the hoisting crane, i.e. hoisting crane control arm.
The motor-driven hoisting crane kind of existing usefulness is a lot, for example tower, bridge-type, transfer crane or the like.The maneuvering device of hoisting crane generally all adopts master controller or button, is characterized in that in lifting, luffing, the manipulation of turning round on these three directions be separate.With the fixed base tower crane is example, and hoisting crane is provided with lifting, luffing, three joysticks of revolution, establishes a travel controls switch more than on the walking hoisting crane.During the driver operation carrying heavy goods of hoisting crane, three joysticks must be with the hands controlled respectively, lifting, luffing, the gyroscopic movement of suspension hook could be controlled.The running orbit of suspension hook is a broken line by several sections rectilinear(-al)s.This method is very undesirable, at first is that a people will handle several joysticks and diverts one's attention very much, needs skilled operative technique, and walks broken line, the time-consuming and energy of stroke underswell when transporting goods; In addition, at the break place of running orbit, suspension hook is easily swung, and is the hidden danger of accident.
This later-model purpose is a kind of hoisting crane control arm that can overcome the bionical manipulation of realization of above-mentioned shortcoming of design; When the driver held unique joystick lever and marks a curve aloft, the suspension hook under the hoisting crane control arm also can mark a similar curve aloft with the yardstick that amplifies, and makes the driver feel that crane hook also transports goods as driver's arm.
This later-model purpose is achieved in that accompanying drawings is as follows:
A kind of hoisting crane control arm comprises table top, movable arm, column and bearing, gear, spring, and its constructional feature is:
Hoisting crane control arm integral body is divided 4 parts from top to bottom: table top (1), movable arm (23), column head (20) and column (18); Connect by the table top sliding joint between table top (1) and the movable arm (23); Connect by the movable arm rotary joint between movable arm (23) and the column head (20); Connected by the column rotary joint between column head (20) and the column (18), the lower end of column (18) is fixed on the floor of operator's compartment (24).
Hoisting crane control arm recited above, its table top sliding joint comprise bearing (11), spring (13), locating dowel pin (12), tooth bar (4), gear (5), displacement pickup (6); Table top (1) is bearing on the last plane of movable arm (23) by bearing (11); The two ends of table top (1) are connected by extension spring (13) respectively with the corresponding two ends of movable arm (23); The tooth bar that the table top inboard is being fixed (4) connects with gear (5) on being fixed on displacement pickup (6) handle, and displacement pickup (6) is fixed on the movable arm (23).
Above-mentioned hoisting crane control arm, its movable arm rotary joint comprise axis (22), spring (10), gear (7), crowngear (8) and angular transducer (9); Crowngear (8) is fixed on column crown end; Axis (22) links up below the top of column head (20) and movable arm (23) on the one hand, makes the axle of spring (10) on the other hand, and an end of spring (10) is fixed on the crowngear (8), and the other end is fixed on the movable arm (23); Crowngear (8) connects with gear (7) on being fixed on angular transducer (9) handle; Angular transducer (9) is fixed on the movable arm (23).
Above-mentioned hoisting crane control arm, its column rotary joint comprise bearing (21), disc spring (19), tooth bar (15), gear (16), angular transducer (14), column end protective cover (17); Column head (20) is bearing in the upper end of column (18) by bearing (21); Disc spring (19) lower end is fixed in the groove on column (18) top, and the upper end withstands on the lower surface of column head (20); Tooth bar (15) is fixed on the outside, column (18) top, the gear that connects with tooth bar (16) is fixed on the handle of angular transducer (14), angular transducer (14) is fixed on the column end protective cover (17), and column end protective cover (17) is fixed on the side, top of column head (20).
Accompanying drawing 1 is a hoisting crane control arm cross-sectional view;
Accompanying drawing 2 is the A-A generalized section of connecting relation between accompanying drawing 1 middle rack (15) and the gear (16);
Accompanying drawing 3 is a hoisting crane control arm side-looking partial cutaway schematic;
Accompanying drawing 4 is used for the tower crane scheme drawing for the hoisting crane control arm;
Accompanying drawing 5 is used for the crane in bridge type scheme drawing for the hoisting crane control arm.
Description of drawings and embodiment.
1 is table top, and 2 is double-throw switch, and 3 is handle, 4 is tooth bar, and 5 is gear, and 6 is displacement pickup, 7 is gear, and 8 is crowngear, and 9 is angular transducer, 10 is spring, and 11 is bearing, and 12 is locating dowel pin, 13 are extension spring, and 14 is angular transducer, and 15 is tooth bar, 16 is gear, and 17 is the column end protective cover, and 18 is column, 19 is disc spring, and 20 is the column head, and 21 is bearing, 22 is axis, and 23 is movable arm, and 24 is operator's compartment, 25 is control arm, and 26 is controller, and 27 is the luffing motor, 28 is lifting motor, and 29 is turning motor, and 30 is suspension hook.
As Fig. 1 and 3 is hoisting crane control arm structural representation, see on the whole and be divided into 4 major parts from top to bottom, table top (1), movable arm (23), column head (20) and column (18), three joints are arranged again between 4 parts, connect by the table top sliding joint between table top (1) and the movable arm (23), connect by the movable arm rotary joint between movable arm (23) and the column head (20); Connect by the column rotary joint between column head (20) and the column (18).
The arthrodial concrete structure of table top is among the figure, and table top (1) is bearing in by 4 little ball bearing of main shafts (11) on the last plane of movable arm (23), and the two ends of the movable arm (23) of table top (1) two ends below it respectively have extension spring (13) to connect; When being subjected to external force, table top (1) (holds handle (3) as the driver, arm lies in table top (1) and goes up firmly) time, table top (1) can slide along doing to go up parallel plane front and back with respect to movable arm (23) on the last plane of movable arm (23), its action radius is subjected to the qualification of locating dowel pin (12), after external force disappeared, extension spring (13) can drive table top (1) homing; When the table top longitudinal sliding motion, be fixed on the gear (5) of the inboard tooth bar (4) of table top (1) and drive the displacement pickup (6) that is fixed on the movable arm (23) through being fixed on displacement pickup (6) handle, give controller with the direction of table top slip with apart from changing electric signal into, drive suspension hook (30) by controller control luffing motor (27) again and seesaw.
The concrete structure of movable arm rotary joint is: axis (22) is movably linked together top movable arm (23) and following column head (20); Crowngear (8) is fixed on the top of column head (20), and angle retracing spring (10) is to be anchor shaft with axis (22), and one end and crowngear (8) are fixedly connected, and its other end and movable arm (23) are fixedly connected; Crowngear (8) connects with gear (7) on being fixed on angular transducer (9) handle, and angle is changeed sensor (9) and is fixed on the movable arm (23); When movable arm (23) is promoted by external force, can be around column head (20) pitch rotation, and pass through crowngear (8) through gear (7) drive angular transducer (9), the direction that movable arm (23) is rotated becomes electric signal with angle change, sends controller to and controls lifting motor (28) drive suspension hook (30) up-and-down movement again; When external force disappeared, angle retracing spring (10) drove movable arm (23) and goes back to original position.
The concrete structure of column rotary joint is: by cod (21) column head (20) is bearing in the top of column (18), the disc spring that resets (19) lower end is fixed in the central recess on column (18) top, and its upper end is fixed on column head (20) lower surface; Be fixed on the tooth bar (15) of column (18) top lateral surface and connect with gear (16) on being fixed on angular transducer (14) handle, angular transducer (14) is fixed on the column end protective cover (17), and column end protective cover (17) is fixed on the column head (20); Column head (20) can be done to horizontally rotate under external force around column (18); When column head (20) rotates, drive angular transducer (14) by tooth bar (15) through gear (16), direction that column head (20) is rotated and angle become electric signal and send to controller, control turning motor (29) again and drive the suspension hook side-to-side movement; The disc spring (19) that resets after external force disappears drives column head (20) and goes back to original position.
Accompanying drawing 2A-A view is the scheme drawing of connecting relation between tooth bar (15) and the gear (16).
Find out that by above-mentioned accompanying drawing 1,2,3 handle (3) and table top (1) are fixedly connected, the driver hold handle (3), forearm is placed on the table top (1), it during operation the strength size and Orientation decision that the armrest arm is pressed in table top (1), arm forward, press backward or after the prerequisite or the variation of finishing the identical operation of suspension hook left to the right realizes that the hoisting hook thing transports process, can be described as a kind of novel bionical motion arm.
Accompanying drawing 4 is that the bionical control arm of the utility model hoisting crane is used for the scheme drawing on the tower crane, the scheme drawing that accompanying drawing 5 is used on crane in bridge type for bionical control arm equally also can be applicable to transfer crane, span winch etc. by on the motor-driven all kinds of hoisting cranes.
By finding out in the accompanying drawing 4,5, the bionical control arm of the utility model hoisting crane (25) can be installed in the hoisting box (24), also be provided with controller (26) in the operator's compartment (24), comprise an one-chip computer in the controller (26), signal is carried out filtering, storage, computing, send three control signals, through AC speed regulator, control promotes motor (27), luffing motor (28), turning motor (29), makes it interoperation, follows control arm.Be placed on the control arm table top (1) during operation driver's right arm natural relaxation, the right hand is held the travel controls handle (3) that is fixed on the table top (1), makes tooth bar (4) drive displacement pickup (6) as if the horizontal displacement that handle (3) is pushed away or pulls back table top (1) forward and sends the front and back operating instruction; If handle (3) up carried or to pressing down, then angular transducer (9) sends and promotes or the instruction that descends; , driving handle (3), column (18) rotate the instruction of operation about then angular transducer (14) sends if being axle; If the driver is to any direction driving handle (3), then three joints are separately by its stressed big little trick, corresponding sensor (6), (9), (14) respectively with about table top (1), front and back, up and down mechanical movement become electric signal and mail to controller (26).Usually, when using control arm, the driver needn't consider specific direction, with suitable power straight to wishing that the suspension hook travel direction pushes away, three sensors (6), (9), (14) can send separately control command, the angle of the size of these command signals and three sensor rotations or mobile distance are proportional, therefore except that direction is determined by control arm, three motors (27), (28), (29) speed is also determined by control arm: the strength of pushing handle (3) is big, the control arm range ability is long, suspension hook will obtain higher speed, otherwise pushing handle strength is little, the control arm range ability is short, and the kinematic velocity of suspension hook is just little.
Claims (5)
1, a kind of hoisting crane control arm comprises table top, movable arm, column, bearing, gear, spring, it is characterized in that: hoisting crane control arm integral body is divided 4 parts from top to bottom: table top (1), movable arm (23), column head (20) and column (18); Connect by the table top sliding joint between table top (1) and the movable arm (23); Connect by the movable arm rotary joint between movable arm (23) and the column head (20); Connected by the column rotary joint between column head (20) and the column (18), the lower end of column (18) is fixed on the floor of operator's compartment (24).
2, hoisting crane control arm according to claim 1 is characterized in that: the table top sliding joint comprises bearing (11), spring (13), locating dowel pin (12), tooth bar (4), gear (5), displacement pickup (6); Table top (1) is bearing on the last plane of movable arm (23) by bearing (11); The two ends of table top (1) are connected by extension spring (13) respectively with the corresponding two ends of movable arm (23); The tooth bar that the table top inboard is being fixed (4) connects with gear (5) on being fixed on displacement pickup (6) handle, and displacement pickup (6) is fixed on the movable arm (23).
3, hoisting crane control arm according to claim 1 is characterized in that: the movable arm rotary joint comprises that axis (22), spring (10), gear (7), crowngear (8) and angular transducer (9) crowngear (8) are fixed on column crown end; Axis (22) links up below the top of column head (20) and movable arm (23) on the one hand, makes the axle of spring (10) on the other hand, and an end of spring (10) is fixed on the crowngear (8), and the other end is fixed on the movable arm (23); Crowngear (8) connects with gear (7) on being fixed on angular transducer (9) handle; Angular transducer (9) is fixed on the movable arm (23).
4, hoisting crane control arm according to claim 1 is characterized in that: the column rotary joint comprises bearing (21), disc spring (19), tooth bar (15), gear (16), angular transducer (14), column end protective cover (17); Column head (20) is bearing in the upper end of column (18) by bearing (21); Disc spring (19) lower end is fixed in the groove on column (18) top, and the upper end withstands on the lower surface of column head (20); Tooth bar (15) is fixed on the outside, column (18) top, the gear that connects with tooth bar (16) is fixed on the handle of angular transducer (14), angular transducer (14) is fixed on the column end protective cover (17), and column end protective cover (17) is fixed on the side, top of column head (20).
5, hoisting crane control arm according to claim 1 is characterized in that upward fixed handle (3) of table top (1), and handle (3) connects with double-throw switch (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95235041 CN2237033Y (en) | 1995-11-15 | 1995-11-15 | Control arm of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95235041 CN2237033Y (en) | 1995-11-15 | 1995-11-15 | Control arm of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2237033Y true CN2237033Y (en) | 1996-10-09 |
Family
ID=33878817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95235041 Expired - Fee Related CN2237033Y (en) | 1995-11-15 | 1995-11-15 | Control arm of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2237033Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108651048A (en) * | 2018-03-08 | 2018-10-16 | 南京太司德智能科技有限公司 | A kind of Saving cortilage for screen of trees cleaning air-robot |
| CN108713411A (en) * | 2018-03-08 | 2018-10-30 | 南京太司德智能科技有限公司 | A kind of screen of trees cleaning air-robot of duct structure |
-
1995
- 1995-11-15 CN CN 95235041 patent/CN2237033Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108651048A (en) * | 2018-03-08 | 2018-10-16 | 南京太司德智能科技有限公司 | A kind of Saving cortilage for screen of trees cleaning air-robot |
| CN108713411A (en) * | 2018-03-08 | 2018-10-30 | 南京太司德智能科技有限公司 | A kind of screen of trees cleaning air-robot of duct structure |
| CN108651048B (en) * | 2018-03-08 | 2023-10-20 | 南京太司德智能科技有限公司 | A protection joint for obstacle clearance aerial robot |
| CN108713411B (en) * | 2018-03-08 | 2023-10-20 | 南京太司德智能科技有限公司 | Tree obstacle clearance aerial robot of duct structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |