CN113277430B - Tower crane base rapid and accurate leveling structure and construction method thereof - Google Patents
Tower crane base rapid and accurate leveling structure and construction method thereof Download PDFInfo
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- CN113277430B CN113277430B CN202110408325.3A CN202110408325A CN113277430B CN 113277430 B CN113277430 B CN 113277430B CN 202110408325 A CN202110408325 A CN 202110408325A CN 113277430 B CN113277430 B CN 113277430B
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- 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
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
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- 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
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Abstract
The invention discloses a quick and accurate leveling structure of a tower crane base and a construction method of the quick and accurate leveling structure, wherein the quick and accurate leveling structure comprises a base, the bottom end of the base is symmetrically connected with supporting seats, the bottom ends of the supporting seats are fixedly connected with supporting legs, leveling boxes are fixedly connected between the supporting seats, the top ends inside the leveling boxes are symmetrically connected with motors, output shafts of the motors are fixedly connected with transmission mechanisms, the transmission mechanisms are fixedly connected with threaded rods, the surfaces of the threaded rods are in threaded connection with threaded sliders, one sides of the threaded sliders are provided with sliding mechanisms, one sides of the threaded sliders are fixedly connected with connecting rods, the bottom ends of the connecting rods are fixedly connected with pressing rods, the bottom ends of the pressing rods are fixedly connected with pressing plates, and one surfaces, close to a control mechanism, of the leveling boxes are provided with gradienters. Has the advantages that: can make the threaded rod rotate under the drive of motor to make the screw slider drive clamp plate downstream, thereby can adjust the roughness of base.
Description
Technical Field
The invention relates to the field of building construction, in particular to a quick and accurate leveling structure of a tower crane base and a construction method thereof.
Background
In the installation process of the engineering tower crane, four support legs of a foundation embedded base need to be leveled, the leveling precision requirement is one thousandth of that of a tower body, and the existing tower crane base is basically installed by erecting a steel pipe frame for supporting or directly connecting the base and a support together. The former has complicated construction and large steel consumption; the structure has the advantages that the structure is simple and convenient to construct, errors are large, in order to enable the flatness of the tower crane base to be more accurate, reduce risks caused by inclination of the tower crane and save materials in procedures, and achieve the purpose of reducing materials in procedures while enabling the flatness of the tower crane base to be more accurate, a quick and accurate leveling structure for the tower crane base is needed to be provided, installation leveling tools in the prior art do not have uniform precision standards, the elevation of each supporting leg is conventionally controlled through a level gauge and a tower ruler, the leveling precision in the mode is difficult to control, time consumption is overlong, and potential safety hazards are prone to remain in subsequent installation and use of the tower crane.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a quick and accurate leveling structure of a tower crane base and a construction method thereof, so as to overcome the technical problems in the prior art.
The technical scheme of the invention is realized as follows:
according to one aspect of the invention, a tower crane base rapid and accurate leveling structure is provided.
The quick and accurate leveling structure of the tower crane base comprises a base, wherein supporting seats are symmetrically connected to the bottom end of the base, supporting legs are fixedly connected to the bottom ends of the supporting seats, a leveling box is fixedly connected between the supporting seats, a motor is symmetrically connected to the top end inside the leveling box, a transmission mechanism is fixedly connected to an output shaft of the motor, a threaded rod is fixedly connected to the transmission mechanism, a threaded slider is connected to the surface of the threaded rod in a threaded manner, a sliding mechanism is arranged on one side of the threaded slider, a connecting rod is fixedly connected to one side of the threaded slider away from the sliding mechanism, a pressure rod is fixedly connected to the bottom end of the connecting rod, a pressure plate is fixedly connected to the bottom end of the pressure rod, a control mechanism is installed on one side of the leveling box, a piston cylinder is fixedly connected to the inside of the supporting seat, and a piston is movably connected to the inside of the piston cylinder, the top end of the piston is fixedly connected with a piston rod, a spring is connected between the top of the piston and the piston cylinder, the spring is wound on the surface of the piston rod, the top end of the piston rod penetrates through the piston cylinder, and is fixedly connected with a pressing block, a baffle is fixedly connected inside the supporting seat, the bottom end of the baffle is fixedly connected with an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with the pressing block, one side of the piston cylinder is fixedly connected with an air suction pipe, one end of the air suction pipe penetrates through the supporting seat, and extends to the outside of the supporting seat, a one-way valve I is installed on the air suction pipe, an air outlet pipe is fixedly connected with the bottom end of the piston cylinder, the bottom end of the air outlet pipe penetrates through the supporting seat, and extend to in the supporting legs, install check valve two on the outlet duct, the case of leveling is close to the spirit level is installed to control mechanism's one side.
Furthermore, slide mechanism includes slide bar, slider and connecting block, the inside bottom symmetric connection of levelling box has the slide bar, the surperficial sliding connection of slide bar has the slider, one side of slider pass through the connecting block with screw thread slider fixed connection.
Further, drive mechanism includes belt pulley one, belt and belt pulley two, the output shaft fixedly connected with belt pulley one of motor, belt pulley one is connected with belt pulley two through the belt, the axle center department of belt pulley two with threaded rod fixed connection.
Further, control mechanism includes control panel, control panel is installed to the one side of case of leveling, the motor with electric telescopic handle all with control panel electric connection.
Furthermore, the top end of the slide bar is fixedly connected with a limiting plate, and the limiting plate is fixedly connected with the supporting seat.
Furthermore, openings are symmetrically formed in the bottom of the leveling box, and the openings are matched with the pressing plate.
Furthermore, the top of the supporting seat is fixedly connected with a supporting frame.
According to another aspect of the invention, a use method of a tower crane base rapid and accurate leveling structure is provided.
The use of this quick accurate leveling structure of tower crane base includes following step:
the method comprises the following steps: firstly, observing the position of bubbles in a level gauge on a leveling box;
step two: starting a motor and an electric telescopic rod at the side where the bubbles deflect;
step three: the electric telescopic rod drives the piston to move back and forth in the piston cylinder through the pressing block and the piston rod;
step four: the piston cylinder sucks external air through the air suction pipe and discharges air through the air outlet pipe, so that impulsive force is generated at the bottom of the supporting leg;
step five: the motor drives the threaded rod to rotate through the transmission mechanism, so that the threaded sliding block moves downwards;
step six: the threaded sliding block drives the pressing plate to move downwards through the connecting rod and the pressing rod and is in contact with the ground;
step seven: the level is again observed and the motor is turned off when the bubble is in the neutral position.
Furthermore, the air outlet pipe in the fourth step generates impulsive force at the bottom of the supporting leg, so that the pressing plate can be pressed downwards conveniently, and the supporting base on the side is lifted so as to reach a balanced state.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the invention, the threaded rod can be rotated under the driving of the motor through the arrangement of the base, the supporting seat, the supporting legs, the leveling box, the motor, the threaded rod, the threaded slider, the connecting rod, the pressing plate, the piston cylinder, the piston rod, the spring, the pressing block, the baffle plate, the electric telescopic rod, the air suction pipe, the air outlet pipe, the check valve II and the level gauge, so that the threaded rod can be driven by the motor to rotate, the threaded slider drives the pressing plate to move downwards, the flatness of the base can be adjusted, the piston can move back and forth in the piston cylinder under the driving of the electric telescopic rod, impact force is generated at the bottoms of the supporting legs, and the supporting seat can be conveniently lifted.
(2) The sliding mechanism is arranged, so that the threaded slider can conveniently move on the surface of the threaded rod, and can be limited from rotating along with the rotation of the threaded rod when moving, and the threaded slider can move more stably.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a quick and accurate leveling structure of a tower crane base according to an embodiment of the invention;
FIG. 2 is an internal cross-sectional view of a leveling box in a tower crane base rapid and accurate leveling structure according to the embodiment of the invention;
FIG. 3 is a flow structure diagram of a use method of a tower crane base rapid and accurate leveling structure according to an embodiment of the invention.
Reference numerals are as follows:
1. a base; 2. a supporting base; 3. supporting legs; 4. a leveling box; 5. a motor; 6. a threaded rod; 7. a threaded slider; 8. a connecting rod; 9. a pressure lever; 10. pressing a plate; 11. a piston cylinder; 12. a piston; 13. a piston rod; 14. a spring; 15. a pressing block; 16. a baffle plate; 17. an electric telescopic rod; 18. an air intake duct; 19. an air outlet pipe; 20. a second one-way valve; 21. a level gauge; 22. a slide bar; 23. a slider; 24. connecting blocks; 25. a first belt pulley; 26. a belt; 27. a second belt pulley; 28. a control panel; 29. a limiting plate; 30. an opening; 31. a support frame; 32. and a one-way valve I.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
According to the embodiment of the invention, a quick and accurate leveling structure of a tower crane base is provided.
The first embodiment is as follows:
referring to fig. 1-2, the quick and accurate leveling structure of the tower crane base comprises a base 1, wherein the bottom end of the base 1 is symmetrically connected with supporting seats 2, the bottom ends of the supporting seats 2 are fixedly connected with supporting legs 3, leveling boxes 4 are fixedly connected between the supporting seats 2, the top ends inside the leveling boxes 4 are symmetrically connected with motors 5, output shafts of the motors 5 are fixedly connected with transmission mechanisms, the transmission mechanisms are fixedly connected with threaded rods 6, the surface threads of the threaded rods 6 are connected with threaded sliders 7, one sides of the threaded sliders 7 are provided with sliding mechanisms, one sides of the threaded sliders 7 far away from the sliding mechanisms are fixedly connected with connecting rods 8, the bottom ends of the connecting rods 8 are fixedly connected with pressing rods 9, the bottom ends of the pressing rods 9 are fixedly connected with pressing plates 10, one side of the leveling boxes 4 is provided with a control mechanism, and the inside of the supporting seats 2 is fixedly connected with piston cylinders 11, the piston is movably connected with the inside of the piston cylinder 11, the top end of the piston 12 is fixedly connected with a piston rod 13, a spring 14 is connected between the top of the piston 12 and the piston cylinder 11, the spring 14 is wound on the surface of the piston rod 13, the top end of the piston rod 13 penetrates through the piston cylinder 11 and is fixedly connected with a pressing block 15, the inside of the supporting seat 2 is fixedly connected with a baffle 16, the bottom end of the baffle 16 is fixedly connected with an electric telescopic rod 17, the output end of the electric telescopic rod 17 is fixedly connected with the pressing block 15, one side of the piston cylinder 11 is fixedly connected with an air suction pipe 18, one end of the air suction pipe 18 penetrates through the supporting seat 2 and extends out of the supporting seat 2, a one-way valve I32 is installed on the air suction pipe 18, the bottom end of the piston cylinder 11 is fixedly connected with an air outlet pipe 19, and the bottom end of the air outlet pipe 19 penetrates through the supporting seat 2, and extend to in the supporting legs 3, install the check valve two 20 on the outlet duct 19, leveling box 4 is close to control mechanism's one side is installed the spirit level 21.
Through the scheme of the invention, the threaded rod 6 can be driven by the motor 5 to rotate, so that the threaded slider 7 drives the pressing plate 10 to move downwards, the flatness of the base 1 can be adjusted, and the piston 12 can move back and forth in the piston cylinder 11 under the drive of the electric telescopic rod 17, so that impact force is generated at the bottom of the supporting leg 3, and the supporting leg 2 can be conveniently lifted.
The second embodiment:
referring to fig. 1-2, for the sliding mechanism, the sliding mechanism includes a sliding rod 22, a slider 23 and a connecting block 24, the sliding rod 22 is symmetrically connected to the bottom end inside the leveling box 4, the slider 23 is slidably connected to the surface of the sliding rod 22, one side of the slider 23 is fixedly connected to the threaded slider 7 through the connecting block 24, for the transmission mechanism, the transmission mechanism includes a first belt pulley 25, a belt 26 and a second belt pulley 27, the first belt pulley 25 is fixedly connected to the output shaft of the motor 5, the first belt pulley 25 is connected to the second belt pulley 27 through the belt 26, the axial center of the second belt pulley 27 is fixedly connected to the threaded rod 6, for the control mechanism, the control mechanism includes a control panel 28, a control panel 28 is installed on one side of the leveling box 4, and both the motor 5 and the electric telescopic rod 17 are electrically connected to the control panel 28, for the slide bar 22, a limiting plate 29 is fixedly connected to the top end of the slide bar 22, the limiting plate 29 is fixedly connected to the support seat 2, for the leveling box 4, openings 30 are symmetrically formed in the bottom of the leveling box 4, the openings 30 are matched with the pressing plate 10, and for the support seat 2, a support frame 31 is fixedly connected to the top of the support seat 2.
Through the scheme of the invention, the sliding mechanism is arranged, so that the threaded slider 7 can move on the surface of the threaded rod 6 conveniently, and the threaded slider 7 can be limited from rotating along with the rotation of the threaded rod 6 during moving, so that the movement of the threaded slider 7 is more stable.
Referring to fig. 3, the use of the tower crane base rapid and accurate leveling structure includes the following steps:
the method comprises the following steps: firstly, observing the position of bubbles in a level gauge 21 on the leveling box 4;
step two: starting the motor 5 and the electric telescopic rod 17 at the side where the bubbles deflect;
step three: the electric telescopic rod 17 drives the piston 12 to move back and forth in the piston cylinder 11 through the pressing block 15 and the piston rod 13;
step four: the piston cylinder 11 sucks external air through the air suction pipe 18 and discharges the air through the air outlet pipe 19, so that impulsive force is generated at the bottom of the supporting legs 3;
step five: the motor 5 drives the threaded rod 6 to rotate through the transmission mechanism, so that the threaded sliding block 7 moves downwards;
step six: the threaded sliding block 7 drives the pressing plate 10 to move downwards through the connecting rod 8 and the pressing rod 9 and is in contact with the ground;
step seven: looking again at the level 21, the motor 5 is switched off when the bubble is in the neutral position.
In a further embodiment, the air outlet pipe 19 in the fourth step generates an impulse force at the bottom of the supporting foot 3, which can facilitate the pressing plate 10 to press downwards, so as to lift the supporting seat 2 on the side, so as to achieve the equilibrium state.
Compared with the prior art, the invention has the following beneficial effects: can make threaded rod 6 rotate under motor 5's drive to make threaded slider 7 drive clamp plate 10 downstream, thereby can adjust the roughness of base 1, and make piston 12 round trip movement in piston cylinder 11 under electric telescopic handle 17's drive, thereby produce the impulsive force in supporting legs 3 bottom, be convenient for lift supporting seat 2.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a quick accurate leveling structure of tower crane base, its characterized in that includes base (1), the bottom symmetric connection of base (1) has supporting seat (2), the equal fixedly connected with supporting legs (3) in bottom of supporting seat (2), fixedly connected with leveling case (4) between supporting seat (2), the inside top symmetric connection of leveling case (4) has motor (5), the output shaft fixedly connected with drive mechanism of motor (5), drive mechanism fixedly connected with threaded rod (6), the surface threaded connection of threaded rod (6) has thread slider (7), one side of thread slider (7) is equipped with slide mechanism, thread slider (7) are kept away from slide mechanism's one side fixedly connected with connecting rod (8), the bottom fixedly connected with depression bar (9) of connecting rod (8), the bottom end of the pressure lever (9) is fixedly connected with a pressure plate (10), one side of the leveling box (4) is provided with a control mechanism, the inside of the supporting seat (2) is fixedly connected with a piston cylinder (11), the inside of the piston cylinder (11) is movably connected with a piston (12), the top end of the piston (12) is fixedly connected with a piston rod (13), a spring (14) is connected between the top of the piston (12) and the piston cylinder (11), the spring (14) is wound on the surface of the piston rod (13), the top end of the piston rod (13) penetrates through the piston cylinder (11) and is fixedly connected with a pressing block (15), the inside of the supporting seat (2) is fixedly connected with a baffle (16), the bottom end of the baffle (16) is fixedly connected with an electric telescopic rod (17), and the output end of the electric telescopic rod (17) is fixedly connected with the pressing block (15), one side fixedly connected with breathing pipe (18) of piston cylinder (11), the one end of breathing pipe (18) is run through supporting seat (2), and extend to outside supporting seat (2), install check valve one (32) on breathing pipe (18), the bottom fixedly connected with outlet duct (19) of piston cylinder (11), the bottom of outlet duct (19) is run through supporting seat (2), and extend to in supporting legs (3), install check valve two (20) on outlet duct (19), levelling box (4) are close to spirit level (21) are installed to control mechanism's one side.
2. The quick accurate leveling structure of tower crane base according to claim 1, characterized in that, slide mechanism includes slide bar (22), slider (23) and connecting block (24), the inside bottom symmetric connection of leveling case (4) has slide bar (22), the surperficial sliding connection of slide bar (22) has slider (23), one side of slider (23) pass through connecting block (24) with screw slider (7) fixed connection.
3. The tower crane base fast and accurate leveling structure according to claim 2, wherein the transmission mechanism comprises a first belt pulley (25), a belt (26) and a second belt pulley (27), the first output shaft of the motor (5) is fixedly connected with the first belt pulley (25), the first belt pulley (25) is connected with the second belt pulley (27) through the belt (26), and the axle center of the second belt pulley (27) is fixedly connected with the threaded rod (6).
4. The quick accurate leveling structure of tower crane base according to claim 3, characterized in that control mechanism includes control panel (28), control panel (28) are installed to the one side of leveling case (4), motor (5) with electric telescopic handle (17) all with control panel (28) electric connection.
5. The tower crane base rapid and accurate leveling structure according to claim 4, wherein a limiting plate (29) is fixedly connected to the top end of the sliding rod (22), and the limiting plate (29) is fixedly connected with the supporting seat (2).
6. The tower crane base rapid and accurate leveling structure according to claim 5, wherein openings (30) are symmetrically formed in the bottom of the leveling box (4), and the openings (30) are matched with the pressing plate (10).
7. The tower crane base rapid and accurate leveling structure according to claim 6, wherein a support frame (31) is fixedly connected to the top of the support base (2).
8. A use method of a tower crane base rapid and accurate leveling structure is characterized in that the use method of the tower crane base rapid and accurate leveling structure in claim 7 comprises the following steps:
the method comprises the following steps: firstly, observing the position of bubbles in a level gauge (21) on a leveling box (4);
step two: starting a motor (5) and an electric telescopic rod (17) at the side where the bubbles deflect;
step three: the electric telescopic rod (17) drives the piston (12) to move back and forth in the piston cylinder (11) through the pressing block (15) and the piston rod (13);
step four: the piston cylinder (11) sucks external air through the air suction pipe (18) and discharges air through the air outlet pipe (19), so that impact force is generated at the bottom of the supporting leg (3);
step five: the motor (5) drives the threaded rod (6) to rotate through the transmission mechanism, so that the threaded sliding block (7) moves downwards;
step six: the threaded sliding block (7) drives the pressing plate (10) to move downwards through the connecting rod (8) and the pressing rod (9) and is in contact with the ground;
step seven: the level (21) is again observed and the motor (5) is switched off when the bubble is in the intermediate position.
9. The use method of the quick and accurate leveling structure of the tower crane base according to claim 8, wherein the air outlet pipe (19) in the fourth step generates impact force at the bottom of the supporting foot (3), so that the pressing plate (10) can be pressed downwards conveniently, and the supporting base (2) on the side is lifted so as to reach a balanced state.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110408325.3A CN113277430B (en) | 2021-04-16 | 2021-04-16 | Tower crane base rapid and accurate leveling structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110408325.3A CN113277430B (en) | 2021-04-16 | 2021-04-16 | Tower crane base rapid and accurate leveling structure and construction method thereof |
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| CN113277430A CN113277430A (en) | 2021-08-20 |
| CN113277430B true CN113277430B (en) | 2022-07-15 |
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| CN101081680A (en) * | 2006-10-27 | 2007-12-05 | 段会宗 | Bottom lifting tower crane |
| CN203877793U (en) * | 2014-01-26 | 2014-10-15 | 中国建筑第八工程局有限公司 | Tower crane base leveling structure |
| CN107083919A (en) * | 2016-02-15 | 2017-08-22 | 哈尼斯菲格技术公司 | Adaptive levelling control system |
| CN107640709A (en) * | 2016-07-22 | 2018-01-30 | 潘素云 | Tower crane base with adjustable structure |
| CN207267793U (en) * | 2017-08-17 | 2018-04-24 | 广州协安建设工程有限公司 | A kind of placing device of tower crane leg |
| CN207390864U (en) * | 2017-09-07 | 2018-05-22 | 宿迁学院 | A kind of tower crane with stowable falling proof device |
| CN210151527U (en) * | 2019-06-14 | 2020-03-17 | 陈戈 | Ground tamping device for bridge construction |
| CN212893618U (en) * | 2020-07-28 | 2021-04-06 | 安徽庞源机械工程有限公司 | Tower crane steel platform support structure with adjustable |
-
2021
- 2021-04-16 CN CN202110408325.3A patent/CN113277430B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101081680A (en) * | 2006-10-27 | 2007-12-05 | 段会宗 | Bottom lifting tower crane |
| CN203877793U (en) * | 2014-01-26 | 2014-10-15 | 中国建筑第八工程局有限公司 | Tower crane base leveling structure |
| CN107083919A (en) * | 2016-02-15 | 2017-08-22 | 哈尼斯菲格技术公司 | Adaptive levelling control system |
| CN107640709A (en) * | 2016-07-22 | 2018-01-30 | 潘素云 | Tower crane base with adjustable structure |
| CN207267793U (en) * | 2017-08-17 | 2018-04-24 | 广州协安建设工程有限公司 | A kind of placing device of tower crane leg |
| CN207390864U (en) * | 2017-09-07 | 2018-05-22 | 宿迁学院 | A kind of tower crane with stowable falling proof device |
| CN210151527U (en) * | 2019-06-14 | 2020-03-17 | 陈戈 | Ground tamping device for bridge construction |
| CN212893618U (en) * | 2020-07-28 | 2021-04-06 | 安徽庞源机械工程有限公司 | Tower crane steel platform support structure with adjustable |
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| CN113277430A (en) | 2021-08-20 |
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