CN105668435A - Stable motion type tower crane - Google Patents
Stable motion type tower crane Download PDFInfo
- Publication number
- CN105668435A CN105668435A CN201610112797.3A CN201610112797A CN105668435A CN 105668435 A CN105668435 A CN 105668435A CN 201610112797 A CN201610112797 A CN 201610112797A CN 105668435 A CN105668435 A CN 105668435A
- Authority
- CN
- China
- Prior art keywords
- wire guide
- guide roller
- brake frame
- brake shoes
- bascule
- 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.)
- Granted
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Classifications
-
- 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
- B66C23/88—Safety gear
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention provides a stable motion type tower crane which comprises a base, a tower body, a rotating table, a tower top, a cargo boom, a balance arm and a hoisting mechanism, wherein the hoisting mechanism comprises a walking frame, rollers, a mounting box, a speed adjusting device, a haulage cable, a balancing device and a hook; the rollers are mounted at the upper end of the walking frame; the mounting box is mounted at the lower end of the walking frame; the speed adjusting device is mounted in the mounting box, and comprises a wire guide roller, a C-shaped brake rack and a plurality of brake blocks; the balancing device comprises two conical heavy blocks, a connecting rod, a rotary disc and a plurality of wind shields; the hook is mounted at the lower end of the balancing device; the haulage cable penetrates through the wire guide roller to be connected with the upper end of the balancing device; and a moving track for allowing the rollers to move is arranged on the balance arm. The stable motion type tower crane is convenient to use, and the stability and safety of the tower crane are effectively improved.
Description
Technical field
The present invention relates to crane technical field, particularly relate to a kind of motion stabilization type derrick crane.
Background technology
Derrick crane (towercrane) is called for short tower crane, also known as tower crane, originates from West Europe. Swing arm is contained in the revolving crane on towering tower body top. Working space is big, the installation of vertically and horizontally conveying and the building element that are mainly used in housing construction material. It is made up of metal structure, operating mechanism and electrical system three part. Metal structure includes tower body, crane arm and base etc. But current derrick crane is due to work high above the ground it is difficult to ensure that transport the stability of object, and owing to transport weighing items is widely different, therefore the speed of object transport is not easy to regulation and control.
Summary of the invention
Based on the technical problem that background technology exists, the present invention proposes a kind of motion stabilization type derrick crane.
A kind of motion stabilization type derrick crane that the present invention proposes, including base, tower body, turntable, tower top, crane arm, counter-jib and derricking gear;
Tower body is arranged on base upper end, and turntable is arranged on tower body upper end, and tower top is arranged on turntable upper end, crane arm and counter-jib and is installed on tower top and is positioned at tower top opposite sides, and derricking gear is arranged on crane arm;
Derricking gear includes walker, roller, installation case, arrangements for speed regulation, pull rope, bascule and hook; Roller is arranged on walker upper end, installs case and is arranged on walker lower end, and arrangements for speed regulation are arranged in installation case; Arrangements for speed regulation include Wire guide roller, C shape brake frame and multiple brake shoes, Wire guide roller may be rotatably mounted in installation case, C shape brake frame is arranged on Wire guide roller periphery, brake shoes is all movably mounted on Wire guide roller, brake shoes moving direction is Wire guide roller radial direction, brake shoes is respectively positioned on same plane, and is connected with Wire guide roller by elastic component, and C shape brake frame is positioned at brake shoes place plane; Bascule includes two conical pouring weights, connecting rod, rotation dish and multiple deep bead, two conical pouring weights are separately mounted to the top and bottom of connecting rod, the tip of two conical pouring weights is all towards in the direction away from each other, rotation dish is rotating to be arranged on connecting rod, it is peripheral that deep bead is installed in rotation dish, and is uniformly distributed along rotation dish circumference; Hook is arranged on bascule lower end, and pull rope connects the upper end of bascule through Wire guide roller;
Counter-jib is provided with and the moving track moved for roller.
Preferably, derricking gear also includes buffer unit, buffer unit includes two J-shaped bars, the all activities of the upper end of two J-shaped bars connect installation case, connected by elastic component in the middle part of two J-shaped bars, two J-shaped bar lower end kinks are all towards in the direction away from each other, and pull rope is passed through by between two J-shaped bars.
Preferably, derricking gear also includes prior-warning device, and prior-warning device includes pulling force sensor and alarm, and pulling force sensor is for detecting the pulling force of the elastic component connecting two J-shaped bars, and pulling force sensor communicates to connect alarm.
Preferably, the two ends of C shape brake frame are mounted on buffer part, and two buffer part move closer to along the direction away from C shape brake frame axis.
Preferably, installing in case and be provided with block, block is positioned at C shape brake frame opening part, and the distance between block and Wire guide roller is more than the distance between C shape brake frame inwall and Wire guide roller.
Preferably, removable on tower body luggage carrier is installed.
Pass through hook when the present invention uses and transport object, in transport process, pull rope can drive Wire guide roller to rotate, Wire guide roller rotation can drive brake shoes to rotate, brake shoes is under the influence of centrifugal force away from Wire guide roller axis, when the speed that Wire guide roller rotates reaches certain value, brake shoes and C shape brake frame contact internal walls, the effective translational speed to pull rope regulates and controls, two conical pouring weights effectively prevent pull rope from offseting due to action of gravity, when having strong wind again, wind-force drives turn disc by deep bead, in the stability that can be effectively improved pull rope due to gyroscopic effect. the present invention is easy to use, and is effectively improved stability and the safety of derrick crane.
Accompanying drawing explanation
Fig. 1 is a kind of motion stabilization type tower type crane structure schematic diagram that the present invention proposes;
Fig. 2 is derricking gear perspective view.
Detailed description of the invention
Shown in seeing figures.1.and.2, a kind of motion stabilization type derrick crane that the present invention proposes, including base 1, tower body 2, turntable 3, tower top 4, crane arm 5, counter-jib 6 and derricking gear.
Tower body 2 is arranged on base 1 upper end, and turntable 3 is arranged on tower body 2 upper end, and tower top 4 is arranged on turntable 3 upper end, crane arm 5 and counter-jib 6 and is installed on tower top 4 and is positioned at tower top 4 opposite sides, and derricking gear is arranged on crane arm 5.
Derricking gear includes walker 71, roller 72, installs case 73, arrangements for speed regulation, pull rope 75, bascule, hook 77, buffer unit and prior-warning device; Roller 72 is arranged on walker 71 upper end, installs case 73 and is arranged on walker 71 lower end, and arrangements for speed regulation are arranged in installation case 73; Arrangements for speed regulation include Wire guide roller 741, C shape brake frame 742 and multiple brake shoes 743, Wire guide roller 741 may be rotatably mounted in installation case 73, it is peripheral that C shape brake frame 742 is arranged on Wire guide roller 741, brake shoes 743 is all movably mounted on Wire guide roller 741, brake shoes 743 moving direction is Wire guide roller 741 radial direction, brake shoes 743 is respectively positioned on same plane, and is connected with Wire guide roller 741 by elastic component, and C shape brake frame 742 is positioned at brake shoes 743 place plane; Bascule includes two conical pouring weights 761, connecting rod 762, rotation dish 763 and multiple deep bead 764, two conical pouring weights 761 are separately mounted to the top and bottom of connecting rod 762, the tip of two conical pouring weights 761 is all towards in the direction away from each other, rotation dish 763 is rotating to be arranged on connecting rod 762, it is peripheral that deep bead 764 is installed in rotation dish 763, and is uniformly distributed along rotation dish 763 circumference;Hook 77 is arranged on bascule lower end, and pull rope 75 connects the upper end of bascule through Wire guide roller 741; Buffer unit includes two J-shaped bars 781, the all activities of the upper end of two J-shaped bars 781 connect installation case 73, being connected by elastic component in the middle part of two J-shaped bars 781, two J-shaped bar 781 lower end kinks are all towards in the direction away from each other, and pull rope 75 is passed through by between two J-shaped bars 781; Prior-warning device includes pulling force sensor and alarm 791, and pulling force sensor is for detecting the pulling force of the elastic component connecting two J-shaped bars 781, and pulling force sensor communicates to connect alarm 791.
Counter-jib 6 is provided with and the moving track moved for roller 72.
Hook 77 transport object is passed through when the present invention uses, in transport process, pull rope 75 can drive Wire guide roller 741 to rotate, Wire guide roller 741 rotation can drive brake shoes 743 to rotate, brake shoes 743 is under the influence of centrifugal force away from Wire guide roller 741 axis, when the speed that Wire guide roller 741 rotates reaches certain value, brake shoes 743 and C shape brake frame 742 contact internal walls, the effective translational speed to pull rope 75 regulates and controls, two conical pouring weights 761 effectively prevent pull rope 75 from offseting due to action of gravity, when having strong wind again, wind-force drives rotation dish 763 to rotate by deep bead 764, in the stability that can be effectively improved pull rope 75 due to gyroscopic effect. the conical pouring weight 761 of two J-shaped bars 781 and connecting rod 762 upper end rotates when improving, then coordinates the effect of elastic component effectively the bascule risen to be cushioned, it is prevented that clashes into and causes that the present invention damages. alarm 791 starts when value of thrust exceedes certain numerical value, and during by effectively preventing hook 77 from arriving certain altitude, pull rope 75 continues to pull up bascule, causes pull rope 75 to fracture.
In present embodiment, the two ends of C shape brake frame 742 are mounted on buffer part, and two buffer part move closer to along the direction away from C shape brake frame 742 axis, reduce brake shoes 743 and clash into, with C shape brake frame 742 end, the probability damaged.
In present embodiment, installing in case 73 and be provided with block 731, block 731 is positioned at C shape brake frame 742 opening part, and the distance between block 731 and Wire guide roller 741 is more than the distance between C shape brake frame 742 inwall and Wire guide roller 741. When brake shoes 743 and block 731 against time, brake shoes 743 can stop that Wire guide roller 741 is rotated further.
In present embodiment, tower body 2 may move luggage carrier 21 is installed, facilitate small article stably to rise.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; it is equal to replacement according to technical scheme and inventive concept thereof or is changed, all should be encompassed within protection scope of the present invention.
Claims (6)
1. a motion stabilization type derrick crane, it is characterised in that: include base (1), tower body (2), turntable (3), tower top (4), crane arm (5), counter-jib (6) and derricking gear;
Tower body (2) is arranged on base (1) upper end, turntable (3) is arranged on tower body (2) upper end, tower top (4) is arranged on turntable (3) upper end, crane arm (5) and counter-jib (6) are installed in tower top (4) and above and are positioned at tower top (4) opposite sides, and derricking gear is arranged on crane arm (5);
Derricking gear includes walker (71), roller (72), installs case (73), arrangements for speed regulation, pull rope (75), bascule and hook (77);Roller (72) is arranged on walker (71) upper end, installs case (73) and is arranged on walker (71) lower end, and arrangements for speed regulation are arranged in installation case (73), arrangements for speed regulation include Wire guide roller (741), C shape brake frame (742) and multiple brake shoes (743), Wire guide roller (741) may be rotatably mounted in installation case (73), it is peripheral that C shape brake frame (742) is arranged on Wire guide roller (741), brake shoes (743) is all movably mounted on Wire guide roller (741), brake shoes (743) moving direction be Wire guide roller (741) radially, brake shoes (743) is respectively positioned on same plane, and be connected with Wire guide roller (741) by elastic component, C shape brake frame (742) is positioned at brake shoes (743) place plane, bascule includes two conical pouring weights (761), connecting rod (762), rotation dish (763) and multiple deep bead (764), two conical pouring weights (761) are separately mounted to the top and bottom of connecting rod (762), the tip of two conical pouring weights (761) is all towards in the direction away from each other, rotation dish (763) is rotating to be arranged on connecting rod (762), it is peripheral that deep bead (764) is installed in rotation dish (763), and is uniformly distributed along rotation dish (763) circumference, hook (77) is arranged on bascule lower end, and pull rope (75) connects the upper end of bascule through Wire guide roller (741),
Counter-jib (6) is provided with and the moving track for roller (72) movement.
2. motion stabilization type derrick crane according to claim 1, it is characterized in that: derricking gear also includes buffer unit, buffer unit includes two J-shaped bars (781), upper end all activities of two J-shaped bars (781) connect installation case (73), two J-shaped bar (781) middle parts are connected by elastic component, two J-shaped bar (781) lower end kinks are all towards in the direction away from each other, and pull rope (75) is passed through by between two J-shaped bars (781).
3. motion stabilization type derrick crane according to claim 2, it is characterized in that: derricking gear also includes prior-warning device, prior-warning device includes pulling force sensor and alarm (791), pulling force sensor is used for detecting the pulling force of the elastic component connecting two J-shaped bars (781), pulling force sensor communication connection alarm (791).
4. motion stabilization type derrick crane according to claim 1, it is characterised in that: the two ends of C shape brake frame (742) are mounted on buffer part, and two buffer part move closer to along the direction away from C shape brake frame (742) axis.
5. motion stabilization type derrick crane according to claim 1, it is characterized in that: install in case (73) and block (731) is installed, block (731) is positioned at C shape brake frame (742) opening part, and the distance between block (731) and Wire guide roller (741) is more than the distance between C shape brake frame (742) inwall and Wire guide roller (741).
6. motion stabilization type derrick crane according to claim 1, it is characterised in that: upper may move of tower body (2) is provided with luggage carrier (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610112797.3A CN105668435B (en) | 2016-02-29 | 2016-02-29 | A kind of motion stabilization type derrick crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610112797.3A CN105668435B (en) | 2016-02-29 | 2016-02-29 | A kind of motion stabilization type derrick crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105668435A true CN105668435A (en) | 2016-06-15 |
| CN105668435B CN105668435B (en) | 2017-05-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610112797.3A Expired - Fee Related CN105668435B (en) | 2016-02-29 | 2016-02-29 | A kind of motion stabilization type derrick crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105668435B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3796322A (en) * | 1972-11-24 | 1974-03-12 | Heede Int Inc | Crane trolley indicator |
| EP0846650A1 (en) * | 1996-12-03 | 1998-06-10 | Potain | Method and device for mounting jib tension elements on tower cranes |
| KR20050032069A (en) * | 2005-03-02 | 2005-04-06 | 김병두 | Safety tower crane |
| DE102010055325A1 (en) * | 2010-12-21 | 2012-06-21 | Wolffkran Holding Ag | Boom tensioning system for a tower crane |
| CN204474183U (en) * | 2015-03-03 | 2015-07-15 | 青岛顶实机械有限公司 | A kind of safe tower crane |
| CN205397954U (en) * | 2016-02-29 | 2016-07-27 | 芜湖合建路桥机械有限公司 | Motion stable form tower crane |
-
2016
- 2016-02-29 CN CN201610112797.3A patent/CN105668435B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3796322A (en) * | 1972-11-24 | 1974-03-12 | Heede Int Inc | Crane trolley indicator |
| EP0846650A1 (en) * | 1996-12-03 | 1998-06-10 | Potain | Method and device for mounting jib tension elements on tower cranes |
| KR20050032069A (en) * | 2005-03-02 | 2005-04-06 | 김병두 | Safety tower crane |
| DE102010055325A1 (en) * | 2010-12-21 | 2012-06-21 | Wolffkran Holding Ag | Boom tensioning system for a tower crane |
| CN204474183U (en) * | 2015-03-03 | 2015-07-15 | 青岛顶实机械有限公司 | A kind of safe tower crane |
| CN205397954U (en) * | 2016-02-29 | 2016-07-27 | 芜湖合建路桥机械有限公司 | Motion stable form tower crane |
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| Publication number | Publication date |
|---|---|
| CN105668435B (en) | 2017-05-31 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20180229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |