CN111017753A - Leveling device and method for inclination of tower body of tower crane after installation - Google Patents
Leveling device and method for inclination of tower body of tower crane after installation Download PDFInfo
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- CN111017753A CN111017753A CN201911345164.7A CN201911345164A CN111017753A CN 111017753 A CN111017753 A CN 111017753A CN 201911345164 A CN201911345164 A CN 201911345164A CN 111017753 A CN111017753 A CN 111017753A
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- tower crane
- tower
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- inclination
- leveling device
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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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- Jib Cranes (AREA)
Abstract
The invention discloses a leveling device and a leveling method for inclination of a tower body of a tower crane after installation, and the leveling device and the leveling method are characterized by comprising an upper underframe connected to the tower body of the crane and a lower underframe connected to an embedded base section, wherein an adjusting mechanism is arranged between the upper underframe and the lower underframe, the adjusting mechanism comprises a threaded sleeve arranged at the lower end of the upper underframe, an adjusting rod arranged perpendicular to the horizontal plane, a locking member arranged at the upper end of the lower underframe and a fixing member matched with the locking member, the fixing member is embedded in the locking member, one end of the adjusting rod penetrates through the lower end of the threaded sleeve, the other end of the adjusting rod is connected with the fixing member, and at least one adjustable. The invention does not need to dismantle and reinstall the tower crane, reasonably reduces the construction success, also improves the safety in the adjusting process, improves the safety factor of operators, effectively shortens the processing period, obviously reduces the engineering construction cost and can effectively ensure the engineering progress.
Description
Technical Field
The invention relates to the technical field of hoisting and transportation, in particular to a leveling device and a leveling method for the inclination of a tower body of a tower crane after the tower crane is installed.
Background
Along with the rapid development of economy, the construction period has more and more urgent requirements on the equipment entering installation, and the installation of each part of the tower crane not only needs to ensure the safety of operation, but also needs the high efficiency of the working efficiency. In the traditional installation of the tower crane, a foundation section at the bottom of the tower crane is directly pre-buried in a cast-in-place concrete foundation structure, and the verticality of a tower body and the horizontal plane can not be changed after the installation is completed. Along with the increasingly complex construction environment, the foundation settlement or the inclination of the foundation section of the tower crane in the concrete solidification process can be inevitably caused due to the fact that the foundation section is not operated according to the standard in the embedding process, and at the moment, the traditional treatment method is to detach the installed tower crane, embed the foundation section again or treat the soil layer structure under the foundation, and reinstall the tower crane after the requirement is met. No matter what kind of scheme, all can consume a large amount of manpower and materials, seriously influence the construction progress, cause the huge loss of whole project. Meanwhile, potential safety hazards exist in the processing process.
How to design a leveling device and a method for the inclination of a tower body after the tower crane is installed, which overcome the defects in the prior art and enable the tower crane to be continuously used in a certain inclination range is a technical problem to be urgently solved by technical personnel in the field.
Disclosure of Invention
In view of the above disadvantages in the prior art, an object of the present invention is to provide a leveling device for processing the inclination of a tower body after the installation of a tower crane, which does not need to disassemble and reinstall the tower crane, reasonably reduces the success of construction, and also improves the safety during the adjustment process.
The invention also aims to provide a leveling method for the inclination of the tower body of the tower crane after the installation, which improves the safety factor of operators, effectively shortens the processing period, obviously reduces the engineering construction cost and can effectively ensure the engineering progress.
The technical scheme adopted by the invention for solving the technical problems is as follows: a levelling device for body of tower slope after tower crane installation, including connecting in the last chassis of hoist body of tower and connecting in the lower chassis of pre-buried basic festival, upward be equipped with adjustment mechanism between chassis and the lower chassis, adjustment mechanism is including setting up the regulation pole that sets up in the thread bush of last chassis lower extreme, perpendicular horizontal plane setting, setting up in the retaining member of chassis upper end and the mounting of cooperation retaining member down, the mounting is embedded in the retaining member, the lower extreme of thread bush is worn to locate to the one end of adjusting the pole, and the other end is connected with the mounting and is set up, and is adjacent be equipped with at least one adjustable vaulting pole between the adjustment mechanism.
By adopting the technical scheme, the distance setting between the upper bottom frame and the lower bottom frame is changed by adjusting the adjusting mechanism, so that the inclination leveling effect of the tower crane within a certain angle can be quickly realized; the adjustable stay bar can improve the stability between the upper chassis and the lower chassis.
Preferably, the fixing part is a sphere with an opening at the upper end, and the lower end of the adjusting rod penetrates through the opening to be movably connected with the sphere.
By adopting the technical scheme, the ball bodies can be set to different diameters, so that the adjusting rod can meet different requirements in the normal work and inclination adjusting process of the tower crane.
Preferably, the locking piece comprises a lower pressing plate and an upper pressing plate which are sequentially arranged at the upper end of the lower frame, cavities matched with the fixing pieces are formed in the lower pressing plate and the upper pressing plate, and gaps are formed between the fixing pieces and the inner walls of the cavities.
By adopting the technical scheme, the movably connected ball body can automatically rotate in the cavity, so that the change of the included angle of the upper chassis and the lower chassis is realized; the gap is used for arranging lubricating oil, so that the flexibility of the adjusting rod in scheduling is improved.
Preferably, the upper pressure plate and the lower pressure plate are provided with through bolt holes on the same axis, and the upper pressure plate and the lower pressure plate are fixedly arranged through nut through threaded holes which are provided with bolts in a sleeved mode.
Through adopting above-mentioned technical scheme, through the fixed top and bottom plates of nut for the spheroidal locking effect of activity, the operation of the elasticity is also convenient for to the mode of setting up of nut.
Preferably, the adjusting rod and the adjustable stay bar are both threaded devices with adjustable lengths.
Through adopting above-mentioned technical scheme, the rotatory mode of screw thread can cooperate the spheroid mounting of activity to carry out the regulation of length, simple structure, and the convenience is controlled.
Preferably, the lower end of the threaded sleeve is provided with a locknut sleeved on the adjusting rod.
By adopting the technical scheme, the safety is improved by loosening the nut.
Preferably, the inner wall of the lower end of the upper pressure plate is provided with a groove, and the lower pressure plate is provided with a through groove.
By adopting the technical scheme, the flexibility of the rotation of the ball body is improved; the through groove can be used for the outflow of moisture, prevents that long-time ponding overstock from leading to damaging increase of service life.
Preferably, the adjusting mechanisms are respectively arranged at four corner supporting points between the upper chassis and the lower chassis, and the adjustable supporting rods are arranged in parallel in pairs.
Preferably, two ends of the adjustable support rods are respectively connected with the upper base frame and the lower base frame in a staggered mode through the rotatable piece, and the two parallel adjustable support rods are arranged in a staggered mode.
By adopting the technical scheme, the four adjusting mechanisms can form a cube, and the four adjustable support rods are respectively arranged on four surfaces, so that the stress is average, the vertical staggered arrangement of each adjustable support rod forms a triangular included angle, the support stability is improved, the parallel adjustable support rods are arranged in a staggered manner, and the support stability can be improved again.
The leveling method for the inclination of the tower body of the tower crane after the installation comprises the following steps:
(1) the lower bottom frame of the leveling device is connected to the embedded foundation section of the tower crane, and the upper bottom frame of the leveling device is connected to the tower body of the tower crane;
(2) firstly, balancing a tower crane, ensuring that four adjusting rods are pressed, and adding lubricating oil into a sphere rotating cavity;
(3) the bolt and the nut of the pressing plate are loosened by one turn, the locknut is rotated to the bottom of the adjusting rod, and the rotation and the displacement within a certain range of the ball body in the lower cavity can be ensured through the special shape of the lower bottom frame cavity designed by motion simulation and stress analysis;
(4) according to the actual inclination direction, the spanner is utilized to simultaneously rotate the position adjusting rods of all the fulcrums, the screwing length of the adjusting rods and the threaded sleeves of the lower bottom frame is controlled through forward rotation and backward rotation, the included angle between the upper bottom frame and the lower bottom frame is changed, and therefore the perpendicularity of a tower body of the tower crane connected with the upper bottom frame is changed;
(5) after the levelness of the adjusting rod of the adjusting piece to the upper bottom frame meets the use requirement, an upper pressure plate is fastened, through calculation and simulation, a cavity of the pressure plate can ensure that the pressure plate has enough contact area with the adjusting rod ball in various allowed states, the function of locking the adjusting rod ball can be achieved through pre-tightening a high-strength bolt nut, a check nut is rotated, and the adjusting rod is locked;
(6) whether the adjustable stay bar and the adjustable nut of the inspection piece are loosened, whether the bolts at each part are loosened is inspected, and the leveling of the tower crane is completed according to various requirements.
By adopting the technical scheme, the inclination leveling of the tower crane can be realized under the state that the tower crane does not need to be disassembled, so that the normal working requirement of the tower crane is realized.
The invention has the beneficial effects that: adopt adjusting device's use for during tower machine bottom foundation is energy-conserving directly pre-buried pours into concrete foundation structure, the body of the tower can be adjusted, need not dismantle and reinstall the tower machine, makes tower crane can continue to use in certain tilt range, rationally reduces construction cost, guarantees the engineering progress, has also ensured the security simultaneously.
Drawings
FIG. 1 is a schematic plan view of the present invention after installation;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a partial schematic view of the adjusting rod ball of the present invention disposed in the inner cavity of the locking member;
FIG. 4 is a schematic diagram of the state of the installed tower crane of the present invention after the tower crane is tilted;
FIG. 5 is a schematic diagram of the state of the installed tower crane after being adjusted after being inclined;
FIG. 6 is a top view of the present invention;
fig. 7 is an enlarged schematic view of the invention after tilt adjustment.
In the figure: 1. an upper chassis; 2. an adjustable brace bar; 3. a locknut; 4. adjusting a rod; 5. a locking member; 6. a lower chassis; 7. a threaded sleeve; 8. a fixing member; 9. a lower pressing plate; 10. an upper pressure plate; 11. a gap; 12. a nut; 13. a groove; 14. a through groove.
Detailed Description
The technical solution of the present invention is further specifically described below by way of specific examples in conjunction with the accompanying drawings.
Example 1
Referring to fig. 1 to 7, a levelling device for tower body slope after tower crane installation, including connecting in the last chassis 1 of hoist tower body and connecting in the lower chassis 6 of pre-buried basic festival, upward be equipped with adjustment mechanism between chassis 1 and the lower chassis 6, adjustment mechanism is including setting up in the adjusting lever 4 of the thread bush 7 of last chassis 1 lower extreme, perpendicular horizontal plane setting, setting up in retaining member 5 and the mounting 8 of cooperation retaining member 5 of lower chassis 6 upper end, the mounting 8 is embedded in retaining member 5, the lower extreme of thread bush 7 is worn to locate by the one end of adjusting lever 4, and the other end is connected the setting with mounting 8, and is adjacent be equipped with at least one adjustable vaulting pole 2 between the adjustment mechanism.
The fixing part 8 is a sphere with an opening at the upper end, and the lower end of the adjusting rod 4 penetrates through the opening to be movably connected with the sphere.
Retaining member 5 is including setting gradually holding down plate 9 and the top board 10 in 6 upper ends of lower chassis, holding down plate 9 and top board 10 in all be equipped with the cavity of cooperation mounting 8, be equipped with clearance 11 between mounting 8 and the cavity inner wall.
The upper pressing plate 10 and the lower pressing plate 9 are provided with through bolt holes on the same axis, and the upper pressing plate 10 and the lower pressing plate 9 are fixedly arranged through threaded holes of nuts 12 which are sleeved with bolts.
The inner wall of the lower end of the upper pressing plate 10 is provided with a groove 13, and the lower pressing plate 9 is provided with a through groove 14.
The adjusting rod 4 and the adjustable stay bar 2 are both threaded devices with adjustable lengths. This spheroid can be under the not locked state in the cavity free rotation of 6 bases of chassis down, through four rotatory regulation poles 4 change adjust pole 4 and go up the change of 6 contained angles of chassis about the length of closing soon of 1 thread bush 7 of chassis, thereby the change of the straightness that hangs down of tower crane's body and the horizontal plane that realizes being connected with last chassis 1, until meeting the operation requirement, then adjust pole 4 spheroid through retaining member locking, with the position of closing soon of 1 thread bush 7 of last chassis, thereby tower crane's safe handling has been guaranteed. The tower crane in a certain angle can be quickly inclined and leveled by using the leveling device.
The lower end of the threaded sleeve 7 is provided with a locking screw 3 sleeved on the adjusting rod 4.
The method for the leveling device for the inclination of the tower body of the tower crane after the installation comprises the following steps:
(1) the lower bottom frame 6 of the leveling device is connected to the embedded foundation section of the tower crane, and the upper bottom frame 1 of the leveling device is connected to the tower body of the tower crane;
(2) firstly, balancing the tower crane, ensuring that four adjusting rods 4 are pressed, and adding lubricating oil into a spherical rotating cavity;
(3) the high-strength bolt and nut 12 of the pressing plate is unscrewed for one circle, the anti-loose nut 3 of the rotating piece is screwed to the bottom of the adjusting rod 4, and the rotation and the displacement within a certain range of the ball body in the lower cavity can be ensured through the special shape of the cavity of the lower frame 6 designed through motion simulation and stress analysis;
(4) according to the actual inclination direction, the spanner is utilized to simultaneously rotate the position adjusting rods 4 of all the supporting points, the screwing length of the adjusting rods 4 and the threaded sleeves 7 of the lower bottom frame 6 is controlled through forward rotation and backward rotation, the included angle between the upper bottom frame 6 and the lower bottom frame 6 is changed, so that the verticality of a tower body of the tower crane connected with the upper bottom frame 1 is changed, the verticality of the tower crane and the tower body can be measured and calculated through external equipment, and the required verticality is achieved, for example, the tower crane and the tower body are measured through a trolley provided with a heavy object, and then the measured values are calculated, so that the accurate verticality;
(5) after the levelness of the adjusting piece adjusting rod 4 to the upper underframe 1 meets the use requirement, an upper pressure plate is fastened, through calculation and simulation, a cavity of the pressure plate can ensure that the pressure plate has enough contact area with a sphere of the adjusting rod 4 in various allowed states, the function of locking the sphere of the adjusting rod 4 can be achieved through pre-tightening the high-strength bolt, the locknut 3 is rotated, and the adjusting rod 4 is locked;
(6) whether the adjustable support rod 2 and the adjustable nut 12 of the inspection piece are loosened or not is checked, whether bolts at all parts are loosened or not is checked, and the leveling of the tower crane is completed according to all the requirements.
The leveling underframe is arranged behind the bottom support, the structure is shown in fig. 3, the pressing plate is guaranteed to be tightly pressed on the ball body at the lower part of the adjusting rod 4 through the pre-tightening of the high-strength bolt in this state, and the adjusting rod 4 with reasonable design has threads, materials and ball body diameter according to the load borne by the whole machine of the tower crane, so that the adjusting rod 4 can meet different requirements in the normal work and inclination adjusting process of the tower crane.
The leveling underframe is arranged at the lowest part of the tower crane and is divided into an upper underframe and a lower underframe, the middles of the upper underframe and the lower underframe are connected through adjusting rods 4 at four pivot positions, the upper underframe 1 can be connected with tower crane bodies with different sections, the lower underframe 6 can be connected with embedded foundation sections of tower cranes with different sections, and the leveling underframe can be widely applied to tower cranes with different models. Four adjust pole 4 and be the screw means of adjustable length, the screw means lower part is rotatable spheroid, this spheroid can be under the locked state free rotation in the cavity of chassis 6 base down, through four rotatory regulation poles 4 change adjust the change of pole 4 and the change of the length of closing soon of 1 thread bush 7 of last chassis and realizing chassis 6 contained angle about, thereby the change of the tower body of the tower crane who realizes being connected with last chassis 1 and the straightness that hangs down of horizontal plane, until meeting the operation requirement, then lead to the locking piece and lock 4 spheroids of pole of regulation, with the position of closing soon of 1 thread bush 7 of last chassis, thereby tower crane's safe handling has been guaranteed. The tower crane in a certain angle can be quickly inclined and leveled by using the leveling device.
Example 2
The adjusting mechanisms are respectively arranged at four corner supporting points between the upper chassis 1 and the lower chassis 6, and the adjustable supporting rods 2 are arranged in parallel in pairs.
Two ends of the adjustable support rods 2 are respectively connected to the upper base frame 1 and the lower base frame 6 in a staggered mode through rotatable pieces, and the two parallel adjustable support rods 2 are arranged in a staggered mode.
Example 3
The inner wall of the lower end of the upper pressing plate 10 is provided with a groove 13, and the lower pressing plate 9 is provided with a through groove 14.
By adopting the technical scheme, the leveling underframe is arranged behind the bottom support legs, the structure is shown in figure 1, and the pressing plate is ensured to press the ball body at the lower part of the adjusting rod 4 in the state through the pre-tightening of the high-strength bolt. According to the load borne by the whole tower crane, the threads, materials and the diameter of the sphere of the adjusting rod 4 are reasonably designed, so that the adjusting rod 4 meets different requirements in the normal working and inclination adjusting processes of the tower crane; after the tower crane inclines, the tower crane is firstly balanced to ensure that the four adjusting rods 4 are pressed, and the tower crane balancing refers to a means for balancing the action of the weight of the front and rear arms and reducing the bending moment on the tower body when the perpendicularity is measured by a copying machine of the tower crane or the tower crane is used for jacking operation, and can be carried out only according to the specification provided by a manufacturer. In the invention, because the leveling device is added, the original numerical value needs to be further calculated, so that the leveling numerical value after the leveling device is installed is obtained, the pressed state of the four adjusting rods 4 is further ensured, and lubricating oil is added into the sphere rotating cavity; the high-strength bolt and nut 12 of the pressing plate is unscrewed for 1 circle (if the adjusting rod 4 is difficult to rotate, the sphere can be unscrewed for 0.5-1 circle according to actual conditions), the locknut 3 is rotated to the bottom of the adjusting rod 4, the special shape of the lower frame 6 cavity designed through motion simulation and stress analysis can ensure that the sphere rotates in the lower cavity and moves in a certain range, and the state of the adjusting rod 4 and the sphere are in the lower frame 6.
According to the actual inclination direction, the spanner is utilized to simultaneously rotate the position adjusting rods 4 of all the fulcrums, the screwing length of the adjusting rods 4 and the threaded sleeves 7 of the lower bottom frame 6 is controlled through forward rotation and backward rotation, the included angle (shown in figure 7) between the upper bottom frame and the lower bottom frame 6 is changed, so that the perpendicularity of the tower body of the tower crane connected with the upper bottom frame 1 is changed, the perpendicularity is measured through a trolley hung with a noon, and the perpendicularity is calculated through calculating data, so that the angle of 90; after the levelness of the adjusting rod 4 to the upper underframe 1 is adjusted to meet the use requirement (less than or equal to 1/1000) (as shown in fig. 5), a pressure plate is fastened, through calculation and simulation, the cavity of the pressure plate can ensure that the pressure plate has enough contact area with the sphere of the adjusting rod 4 in various allowed states, the function of locking the sphere of the adjusting rod 4 can be achieved through pre-tightening the high-strength bolt, the locknut 123 is rotated, and the adjusting rod 4 is locked;
and (4) checking whether the adjustable nuts 12 of the adjustable support rods 2 are loosened or not, checking whether the bolts are loosened or not, and finishing the leveling of the tower crane according to the requirements.
The leveling of the tower crane can be realized after the operation is carried out according to the mode, so that the normal working requirement of the tower crane is realized.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (10)
1. A levelling device for body of a tower slope behind tower crane installation, including connecting in last chassis (1) of crane body of a tower and connecting in lower chassis (6) of pre-buried basic festival, its characterized in that: go up chassis (1) and be equipped with adjustment mechanism down between chassis (6), adjustment mechanism is including setting up in threaded sleeve (7), the regulation pole (4) that perpendicular horizontal plane set up of last chassis (1) lower extreme, setting up in retaining member (5) of chassis (6) upper end and cooperation retaining member's mounting (8) down, mounting (8) are embedded in retaining member (5), the lower extreme of threaded sleeve (7) is worn to locate by the one end of adjusting pole (4), and the setting is connected with mounting (8) to the other end, and is adjacent be equipped with at least one adjustable vaulting pole (2) between the adjustment mechanism.
2. The leveling device for the inclination of the tower body of the tower crane after the installation according to claim 1, wherein: the fixing piece (8) is a sphere with an opening at the upper end, and the lower end of the adjusting rod (4) penetrates through the opening to be movably connected with the sphere.
3. The leveling device for the inclination of the tower body of the tower crane after the installation according to claim 2, wherein: retaining member (5) including set gradually holding down plate (9) and top board (10) in chassis (6) upper end down, holding down plate (9) and top board (10) in all be equipped with the cavity of cooperation mounting (8), be equipped with clearance (11) between mounting (8) and the cavity inner wall.
4. The leveling device for the inclination of the tower body of the tower crane after the installation according to claim 3, wherein: the upper pressure plate (10) and the lower pressure plate (9) are provided with through bolt holes on the same axis, and the upper pressure plate and the lower pressure plate are fixedly arranged through threaded holes through nuts (12) which are provided with bolts in a sleeved mode.
5. The leveling device for the inclination of the tower body of the tower crane after the installation according to claim 4, wherein: the adjusting rod (4) and the adjustable stay bar (2) are both threaded devices with adjustable lengths.
6. The leveling device for the inclination of the tower body of the tower crane after the installation according to claim 5, wherein: the lower end of the threaded sleeve is provided with a locknut (3) sleeved on the adjusting rod (4).
7. The leveling device for the inclination of the tower body of the tower crane after the installation according to claim 1, wherein: the inner wall of the lower end of the upper pressure plate is provided with a groove (13), and the lower pressure plate is provided with a through groove (14).
8. The leveling device for the inclination of the tower body of the tower crane after the installation according to claim 1, wherein: the adjusting mechanisms are respectively arranged at four corner supporting points between the upper chassis (1) and the lower chassis (6), and the adjustable supporting rods (2) are arranged in parallel in pairs.
9. The leveling device for the inclination of the tower body of the tower crane after the installation according to claim 8, wherein: two ends of the adjustable supporting rods (2) are respectively connected with the upper chassis (1) and the lower chassis (6) in a staggered manner through rotatable pieces, and the two parallel adjustable supporting rods (2) are arranged in a staggered manner.
10. The method for the leveling device for the inclination of the tower body of the tower crane after the installation is characterized by comprising the following steps of:
the lower bottom frame of the leveling device is connected to the embedded foundation section of the tower crane, and the upper bottom frame of the leveling device is connected to the tower body of the tower crane;
firstly, balancing a tower crane, ensuring that four adjusting rods are pressed, and adding lubricating oil into a sphere rotating cavity;
the bolt and the nut of the pressing plate are loosened by one turn, the locknut is rotated to the bottom of the adjusting rod, and the rotation and the displacement within a certain range of the ball body in the lower cavity can be ensured through the special shape of the lower bottom frame cavity designed by motion simulation and stress analysis;
according to the actual inclination direction, the spanner is utilized to simultaneously rotate the position adjusting rods of all the fulcrums, the screwing length of the adjusting rods and the threaded sleeves of the lower bottom frame is controlled through forward rotation and backward rotation, the included angle between the upper bottom frame and the lower bottom frame is changed, and therefore the perpendicularity of a tower body of the tower crane connected with the upper bottom frame is changed;
after the levelness of the adjusting rod of the adjusting piece to the upper bottom frame meets the use requirement, an upper pressure plate is fastened, through calculation and simulation, a cavity of the pressure plate can ensure that the pressure plate has enough contact area with the adjusting rod ball in various allowed states, the function of locking the adjusting rod ball can be achieved through pre-tightening a high-strength bolt nut, a check nut is rotated, and the adjusting rod is locked;
whether the adjustable stay bar and the adjustable nut of the inspection piece are loosened, whether the bolts at each part are loosened is inspected, and the leveling of the tower crane is completed according to various requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911345164.7A CN111017753A (en) | 2019-12-24 | 2019-12-24 | Leveling device and method for inclination of tower body of tower crane after installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911345164.7A CN111017753A (en) | 2019-12-24 | 2019-12-24 | Leveling device and method for inclination of tower body of tower crane after installation |
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| CN111017753A true CN111017753A (en) | 2020-04-17 |
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| CN201911345164.7A Pending CN111017753A (en) | 2019-12-24 | 2019-12-24 | Leveling device and method for inclination of tower body of tower crane after installation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114108629A (en) * | 2021-11-09 | 2022-03-01 | 杭州临安路桥工程有限公司 | Long and short pile composite foundation leveling construction device |
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2019
- 2019-12-24 CN CN201911345164.7A patent/CN111017753A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114108629A (en) * | 2021-11-09 | 2022-03-01 | 杭州临安路桥工程有限公司 | Long and short pile composite foundation leveling construction device |
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