CN112253655A - Automatic rotation locking device of crane - Google Patents
Automatic rotation locking device of crane Download PDFInfo
- Publication number
- CN112253655A CN112253655A CN202011266199.4A CN202011266199A CN112253655A CN 112253655 A CN112253655 A CN 112253655A CN 202011266199 A CN202011266199 A CN 202011266199A CN 112253655 A CN112253655 A CN 112253655A
- Authority
- CN
- China
- Prior art keywords
- driving devices
- locking rack
- slide rail
- crane
- driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
- F16D63/006—Positive locking brakes
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B1/00—Devices for securing together, or preventing relative movement between, constructional elements or machine parts
- F16B1/02—Means for securing elements of mechanisms after operation
- F16B1/04—Means for securing elements of mechanisms after operation disengaged by movement of the actuating member of the element
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/38—Slack adjusters
- F16D65/40—Slack adjusters mechanical
-
- 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
- B66C23/84—Slewing gear
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/18—Mechanical mechanisms
- F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
- F16D2125/34—Mechanical mechanisms converting rotation to linear movement or vice versa acting in the direction of the axis of rotation
- F16D2125/40—Screw-and-nut
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/18—Mechanical mechanisms
- F16D2125/44—Mechanical mechanisms transmitting rotation
- F16D2125/46—Rotating members in mutual engagement
- F16D2125/52—Rotating members in mutual engagement with non-parallel stationary axes, e.g. worm or bevel gears
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2131/00—Overall arrangement of the actuators or their elements, e.g. modular construction
Abstract
The invention discloses an automatic rotation locking device of a crane, which comprises a locking rack and a driving device, wherein the driving device comprises at least one group of transverse driving devices and at least one group of radial driving devices, the at least one group of transverse driving devices are arranged on one side or two sides of the two side surfaces of the locking rack, the locking rack is connected with the transverse driving devices and driven by the transverse driving devices to freely slide along the horizontal transverse direction, the at least one group of radial driving devices are arranged on one side of the locking rack far away from a large gear ring, the locking rack is connected with the radial driving devices and driven by the radial driving devices to freely slide along the radial direction of the large gear ring, and the locking rack, the transverse driving devices and the radial driving devices are respectively connected by adopting sliding mechanisms so that the locking rack is relatively fixed in the driving direction of the driving devices and can slide back and forth. The invention can provide a rotation locking function during the normal operation of the crane to improve the operation safety of the floating crane.
Description
Technical Field
The invention relates to a rotation locking device, in particular to an automatic rotation locking device of a crane, and belongs to the field of cranes.
Background
Due to the reason that the structural manufacturing and machining precision of the large trolley type or roller type full-rotation floating crane is not high, a large gear backlash is usually selected to ensure that a rotation gear can be normally meshed, so that the floating crane can seriously shake left and right under the action of surging, the rotation positioning is difficult, and meanwhile certain safety risks and the like exist. At present, domestic floating cranes of the type generally only provide a manual rotation locking device under the towing state of the crane, and when the crane is normal, the locking device can not provide a rotation locking function and can not solve the rotation shaking problem.
Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic rotation locking device of a crane, which realizes the rotation self-locking function of the crane in the working state.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the automatic rotation locking device of the crane is characterized in that: the locking rack and the transverse driving device and the radial driving device are respectively connected by adopting a sliding mechanism so that the locking rack is relatively fixed in the driving direction of the driving device and can slide back and forth along the direction vertical to the driving direction.
Furthermore, the sliding mechanism is a sliding rail and a sliding chute, and the sliding rail and the sliding chute are respectively fixed on the side surface of the locking rack and the driving device.
Further, the slide rail is T type slide rail, and the channel is the T type spout that matches with the slide rail in the spout, and T type slide rail sets up in T type spout and can freely slide in T type spout.
Further, the slide rail is a dovetail slide rail, the chute inner channel is a dovetail groove matched with the slide rail, and the dovetail slide rail is arranged in the dovetail groove and can freely slide in the dovetail groove.
Furthermore, the transverse driving devices are divided into two groups, wherein one group of transverse driving devices is arranged on one side of the side surfaces on the two sides of the locking rack, and the other group of transverse driving devices is arranged on the other side of the side surfaces on the two sides of the locking rack.
Furthermore, the two groups of radial driving devices are symmetrically arranged at two ends of one side of the locking rack, which is far away from the large gear ring.
Further, horizontal drive arrangement and radial drive arrangement contain the lead screw, the turbine nut, the worm, driving motor, casing and connecting seat, the turbine nut rotates and sets up at the casing inboard, the outside of turbine nut is the turbine structure and the outside and the worm intermeshing of turbine nut, the worm rotates and sets up in the casing side and worm one end is connected with driving motor and is rotated by driving motor drive, the turbine nut center is opened has a screw and is provided with the internal thread that matches with the lead screw on the screw inner wall, the turbine nut cover is established in the lead screw outside and lead screw threaded connection, the one end and the connecting seat of casing are connected, lead screw one end sets up in the connecting seat, the lead screw other end is worn out casing other end tip and is connected with the locking rack.
Furthermore, threaded holes connected with the equipment rack are formed in four corners of the connecting seat.
Furthermore, one end of the shell is of a spherical structure, the peripheral edge of the spherical structure is provided with a convex edge protruding out of the side face of the shell, a ball groove matched with the spherical structure at the end part of the shell is formed in the connecting seat, and the peripheral edge of the ball groove is provided with an annular groove channel used for limiting the convex edge.
Compared with the prior art, the invention has the following advantages and effects:
1. the invention provides an automatic rotation locking device of a crane, which can provide a rotation locking function during the normal working period of the crane, solve the problem of shaking of a floating crane caused by surge and improve the working safety of the floating crane;
2. the rotary locking device can realize the automatic alignment and automatic lock falling functions of the locking block, and improves the overall operation performance of the crane.
Drawings
Fig. 1 is a schematic diagram of an automatic rotation locking device of a crane.
Fig. 2 is a using state diagram of the automatic rotation locking device of the crane.
Fig. 3 is a sectional view of an automatic rotation locking device of a crane according to the present invention.
Fig. 4 is a schematic view of the driving device of the present invention.
Detailed Description
To elaborate on technical solutions adopted by the present invention to achieve predetermined technical objects, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, it is obvious that the described embodiments are only partial embodiments of the present invention, not all embodiments, and technical means or technical features in the embodiments of the present invention may be replaced without creative efforts, and the present invention will be described in detail below with reference to the drawings and in conjunction with the embodiments.
As shown in figures 1 and 2, the automatic rotation locking device of the crane comprises a locking rack 1 and a driving device, wherein the driving device comprises at least one group of transverse driving devices 2 and at least one group of radial driving devices 3, the at least one group of transverse driving devices 2 are arranged on one side or two sides of two side surfaces of the locking rack 1, the locking rack 1 is connected with the transverse driving devices 2 and driven by the transverse driving devices 2 to freely slide along the horizontal transverse direction, the at least one group of radial driving devices 3 are arranged on one side of the locking rack far away from a large gear ring 4, the locking rack 1 is connected with the radial driving devices 3 and driven by the radial driving devices 3 to freely slide along the radial direction of the large gear ring 4, the locking rack 1 is connected with the transverse driving device 2 and the radial driving device 3 respectively by adopting a sliding mechanism, so that the locking rack 1 is relatively fixed in the driving direction of the driving device and can slide back and forth along the direction vertical to the driving direction.
The sliding mechanism is a sliding rail 5 and a sliding chute 6, and the sliding rail 5 and the sliding chute 6 are respectively fixed on the side surface of the locking rack 1 and the driving device.
One embodiment of the sliding mechanism: slide rail 5 is T type slide rail, and the channel is the T type spout that matches with slide rail 5 in the spout 6, and T type slide rail sets up in T type spout and can freely slide in T type spout.
Another embodiment of the sliding mechanism: the slide rail 5 is the forked tail slide rail, and the channel is the dovetail that matches with the slide rail in the spout 6, and the forked tail slide rail sets up in the dovetail and can freely slide in the dovetail.
The transverse driving devices 2 are two groups, wherein one group of transverse driving devices 2 is arranged on one side of the two side surfaces of the locking rack 1, and the other group of transverse driving devices 2 is arranged on the other side of the two side surfaces of the locking rack 1. The radial driving devices 3 are two groups, and the two groups of radial driving devices 3 are symmetrically arranged at two ends of one side of the locking rack 1 far away from the large gear ring.
The transverse driving device 2 and the radial driving device 3 comprise a screw rod 7, a turbine nut 8, a worm 9, a driving motor 10, a shell 11 and a connecting seat 12, the turbine nut 8 is rotatably arranged on the inner side of the shell 11, the outer side of the turbine nut 8 is of a turbine structure, the outer side of the turbine nut 8 is meshed with the worm 9, the worm 9 is rotatably arranged on the side surface of the shell 11, one end of the worm 9 is connected with the driving motor 10 and driven to rotate by the driving motor 10, a screw hole is formed in the center of the turbine nut 8, an internal thread matched with the screw rod 7 is arranged on the inner wall of the screw hole, the turbine nut 8 is sleeved on the outer side of the screw rod 7 and in threaded connection with the screw rod 7, one end of the shell 11 is connected with the connecting seat 12, one end of the screw rod. The driving motor 10 drives the worm 9 to rotate, drives the worm wheel nut 8 to rotate, and the worm wheel nut 8 drives the internal screw rod 7 to rotate, so that the screw rod 7 stretches along the axis direction of the driving device, and the locking rack 1 connected with the screw rod is pushed.
Threaded holes connected with the equipment frame are formed in four corners of the connecting seat 12, so that the driving device can be conveniently locked and fixed on the equipment frame.
One end of the shell 11 is a spherical structure, the peripheral edge of the spherical structure is provided with a convex edge which is convex to the side surface of the shell, a ball groove which is matched with the spherical structure at the end part of the shell 11 is arranged in the connecting seat 12, and the peripheral edge of the ball groove is provided with an annular groove channel which is used for limiting the convex edge.
When the automatic rotation locking device of the crane is used, a crane control program adjusts the two groups of transverse driving devices 2 according to signals of the position detection sensor, so that teeth of the locking rack 1 and teeth of the large gear ring 4 can be in concave-convex correspondence with each other, and then the two groups of radial driving devices 3 are adjusted to push the locking rack 1 to be completely meshed with the gear pair of the large gear ring 4. When the gears of the locking rack 1 and the large gear ring 4 are completely meshed, the four sets of driving devices are tightly pushed and self-locked to limit the rotary motion of the rotary part of the crane, so that the problem of rotary shaking is effectively solved.
The invention provides an automatic rotation locking device of a crane, which can provide a rotation locking function during the normal working period of the crane, solve the problem of shaking of a floating crane caused by surge and improve the working safety of the floating crane; the rotary locking device can realize the automatic alignment and automatic lock falling functions of the locking block, and improves the overall operation performance of the crane.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The automatic rotation locking device of the crane is characterized in that: the locking rack and the transverse driving device and the radial driving device are respectively connected by adopting a sliding mechanism so that the locking rack is relatively fixed in the driving direction of the driving device and can slide back and forth along the direction vertical to the driving direction.
2. An automatic slewing lock device for a crane according to claim 1, wherein: the sliding mechanism is a sliding rail and a sliding chute which are respectively fixed on the side surface of the locking rack and the driving device.
3. An automatic slewing lock device for a crane according to claim 2, wherein: the slide rail is T type slide rail, and the channel is the T type spout that matches with the slide rail in the spout, and T type slide rail sets up in T type spout and can freely slide in T type spout.
4. An automatic slewing lock device for a crane according to claim 2, wherein: the slide rail is the forked tail slide rail, and the channel is the dovetail that matches with the slide rail in the spout, and the forked tail slide rail sets up in the dovetail and can freely slide in the dovetail.
5. An automatic slewing lock device for a crane according to claim 1, wherein: the transverse driving devices are divided into two groups, one group of transverse driving devices are arranged on one side of the side surfaces of the two sides of the locking rack, and the other group of transverse driving devices are arranged on the other side of the side surfaces of the two sides of the locking rack.
6. An automatic slewing lock device for a crane according to claim 1, wherein: the radial driving devices are arranged in two groups, and the two groups of radial driving devices are symmetrically arranged at two ends of one side of the locking rack, which is far away from the large gear ring.
7. An automatic slewing lock device for a crane according to claim 1, wherein: horizontal drive arrangement and radial drive arrangement contain the lead screw, the turbine nut, the worm, driving motor, casing and connecting seat, the turbine nut rotates and sets up at the casing inboard, the outside of turbine nut is the turbine structure and the outside and the worm intermeshing of turbine nut, the worm rotates to set up at the casing side and worm one end is connected with driving motor and is rotated by driving motor drive, turbine nut center is opened has a screw and is provided with the internal thread that matches with the lead screw on the screw inner wall, the turbine nut cover is established in the lead screw outside and lead screw threaded connection, the one end and the connecting seat of casing are connected, lead screw one end sets up in the connecting seat, the lead screw other end is worn out casing other end tip and is connected with the locking rack.
8. An automatic slewing lock device for a crane according to claim 1, wherein: and threaded holes connected with the equipment rack are formed in four corners of the connecting seat.
9. An automatic slewing lock device for a crane according to claim 1, wherein: one end of the shell is of a spherical structure, the periphery of the spherical structure is provided with a convex edge which is convex to the side face of the shell, a ball groove which is matched with the spherical structure at the end part of the shell is formed in the connecting seat, and the periphery of the ball groove is provided with an annular groove channel which is used for limiting the convex edge.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011266199.4A CN112253655A (en) | 2020-11-13 | 2020-11-13 | Automatic rotation locking device of crane |
Applications Claiming Priority (1)
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CN202011266199.4A CN112253655A (en) | 2020-11-13 | 2020-11-13 | Automatic rotation locking device of crane |
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CN112253655A true CN112253655A (en) | 2021-01-22 |
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CN202011266199.4A Pending CN112253655A (en) | 2020-11-13 | 2020-11-13 | Automatic rotation locking device of crane |
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Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4269543A (en) * | 1979-08-29 | 1981-05-26 | Freiede & Goldman, Ltd. | Mobile, offshore, self-elevating (jack-up) unit leg/hull rigidification system |
JPH04201996A (en) * | 1990-11-30 | 1992-07-22 | Hitachi Constr Mach Co Ltd | Turning locking device for construction machine |
US6199442B1 (en) * | 1998-03-26 | 2001-03-13 | Bauer Spezialtiefbau Gmbh | Slewing ring brake |
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JP3120996U (en) * | 2005-12-19 | 2006-04-27 | 秀雄 島崎 | Vehicle-mounted crane |
CN201050056Y (en) * | 2007-04-13 | 2008-04-23 | 中国海洋石油总公司 | Self-elevating drilling platform pile leg locking device |
CN201458613U (en) * | 2009-07-08 | 2010-05-12 | 上海三一科技有限公司 | Rotary locking device |
CN203079599U (en) * | 2013-02-21 | 2013-07-24 | 中联重科股份有限公司 | Slewing locking device and engineering machinery |
CN103388325A (en) * | 2013-08-05 | 2013-11-13 | 四川宏华石油设备有限公司 | Connecting and unloading device and application method thereof |
CN204702445U (en) * | 2015-04-28 | 2015-10-14 | 青岛天时海洋石油装备有限公司 | Ocean loop wheel machine rotary locking device |
CN108999166A (en) * | 2018-09-10 | 2018-12-14 | 江苏科技大学 | A kind of self-lifting hoister ship pile leg locking device |
CN109667255A (en) * | 2019-02-01 | 2019-04-23 | 太原重工股份有限公司 | Automatically lock unlocking system and method |
CN110848090A (en) * | 2019-10-12 | 2020-02-28 | 天津大学 | Fan impeller butt joint self-locking and self-unlocking system with air bag auxiliary holding device |
CN211039472U (en) * | 2019-11-08 | 2020-07-17 | 徐州重型机械有限公司 | 360-degree mechanical locking mechanism for hoisting machinery |
-
2020
- 2020-11-13 CN CN202011266199.4A patent/CN112253655A/en active Pending
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4269543A (en) * | 1979-08-29 | 1981-05-26 | Freiede & Goldman, Ltd. | Mobile, offshore, self-elevating (jack-up) unit leg/hull rigidification system |
JPH04201996A (en) * | 1990-11-30 | 1992-07-22 | Hitachi Constr Mach Co Ltd | Turning locking device for construction machine |
US6199442B1 (en) * | 1998-03-26 | 2001-03-13 | Bauer Spezialtiefbau Gmbh | Slewing ring brake |
US6231269B1 (en) * | 1999-03-05 | 2001-05-15 | Friede & Goldman, Ltd. | Apparatus for releasing a rack chock of a jack-up rig |
JP3120996U (en) * | 2005-12-19 | 2006-04-27 | 秀雄 島崎 | Vehicle-mounted crane |
CN201050056Y (en) * | 2007-04-13 | 2008-04-23 | 中国海洋石油总公司 | Self-elevating drilling platform pile leg locking device |
CN201458613U (en) * | 2009-07-08 | 2010-05-12 | 上海三一科技有限公司 | Rotary locking device |
CN203079599U (en) * | 2013-02-21 | 2013-07-24 | 中联重科股份有限公司 | Slewing locking device and engineering machinery |
CN103388325A (en) * | 2013-08-05 | 2013-11-13 | 四川宏华石油设备有限公司 | Connecting and unloading device and application method thereof |
CN204702445U (en) * | 2015-04-28 | 2015-10-14 | 青岛天时海洋石油装备有限公司 | Ocean loop wheel machine rotary locking device |
CN108999166A (en) * | 2018-09-10 | 2018-12-14 | 江苏科技大学 | A kind of self-lifting hoister ship pile leg locking device |
CN109667255A (en) * | 2019-02-01 | 2019-04-23 | 太原重工股份有限公司 | Automatically lock unlocking system and method |
CN110848090A (en) * | 2019-10-12 | 2020-02-28 | 天津大学 | Fan impeller butt joint self-locking and self-unlocking system with air bag auxiliary holding device |
CN211039472U (en) * | 2019-11-08 | 2020-07-17 | 徐州重型机械有限公司 | 360-degree mechanical locking mechanism for hoisting machinery |
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Application publication date: 20210122 |