CN108894515B - Automatic verticality adjusting device for reinforced concrete prefabricated wall board and using method thereof - Google Patents
Automatic verticality adjusting device for reinforced concrete prefabricated wall board and using method thereof Download PDFInfo
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- CN108894515B CN108894515B CN201810736026.0A CN201810736026A CN108894515B CN 108894515 B CN108894515 B CN 108894515B CN 201810736026 A CN201810736026 A CN 201810736026A CN 108894515 B CN108894515 B CN 108894515B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1808—Holders for bricklayers' lines, bricklayers' bars; Sloping braces
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Abstract
An automatic verticality adjusting device for a reinforced concrete prefabricated wall plate and a using method thereof are disclosed, wherein the device comprises a movable ejector rod, a plumb bob component, a swinging frame, a proximity switch, a mounting seat and a driving mechanism; the driving mechanism drives the movable ejector rod to move left and right; the plumb bob component and the swing frame are vertically and coaxially arranged and can freely swing in a vertical plane around an installation shaft respectively, and the installation shaft is supported on the movable ejector rod; the proximity switch is erected in a swinging mode, and in a free state, the sensing surface of the proximity switch is aligned with the tip end of the plumb bob, and the center of the proximity switch is vertically aligned with the mounting shaft. The device uses in pairs, and the symmetry is installed on the rigid fixing base of prefabricated wallboard both sides, and when the wallboard straightness that hangs down did not reach the requirement, there is a set of proximity switch response face to deviate the plummet pointed end in two sets of devices, and the proximity switch signal changes, and the action of controlling adjusting device in view of the above adjusts until the wallboard is perpendicular to the wallboard slope. The device has simple structure, convenient operation and automatic control, and has positive significance for improving the installation and construction efficiency of the fabricated building.
Description
Technical Field
The invention relates to an assembly type building construction device, in particular to an automatic verticality adjusting device for a reinforced concrete prefabricated wall board and a using method of the automatic verticality adjusting device.
Background
As is well known, in the in-place process of the reinforced concrete prefabricated wall panel, the verticality of the reinforced concrete prefabricated wall panel must be measured and adjusted and temporarily positioned, so that conditions are created for later node and cast-in-place layer pouring. The manual adjustment method is that a constructor uses a measuring instrument to detect and calculate in the positioning process to obtain the verticality deviation value of the prefabricated wall board, and then the verticality deviation value is adjusted again by taking the verticality deviation value as guidance until the verticality deviation value meets the requirement. The method depends on manual intervention, the operation process is complicated, the workload is large, the time consumption is long, the calculation result is easy to have deviation, and the accuracy cannot be guaranteed.
In the reinforced concrete prefabricated wall panel hoisting complete equipment, the automatic verticality adjustment without manual intervention is realized, and the method has positive significance for improving the installation and construction efficiency of the fabricated building.
Disclosure of Invention
The invention aims to provide an automatic verticality adjusting device for a reinforced concrete prefabricated wall board and a using method thereof, and solves the technical problems that an existing manual adjusting method depends on manual intervention, the operation process is complicated, the workload is large, and the time consumption is long.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a prefabricated wallboard of reinforced concrete straightness automatic adjusting device that hangs down which characterized in that: comprises a movable ejector rod, a plumb bob component, a swing frame, a proximity switch, a mounting seat and a driving mechanism; the movable ejector rod is horizontally arranged and arranged on the mounting seat together with the driving mechanism, and the driving mechanism drives the movable ejector rod to move left and right; the plumb bob component and the swing frame are coaxially arranged, a common mounting shaft of the plumb bob component and the swing frame is supported on the movable ejector rod, and the plumb bob component and the swing frame can freely swing in a vertical plane around the mounting shaft respectively; and when the plumb bob assembly and the swing frame are in free states, a connecting line between the center of the sensing surface of the proximity switch and the installation shaft is positioned in the vertical direction, and the sensing surface of the proximity switch is aligned with the tip of the plumb bob in the plumb bob assembly.
As a preferable technical scheme of the invention, the movable ejector rod comprises a rectangular horizontal frame and rollers arranged at the front part of the horizontal frame, coaxial mounting holes for mounting shaft positioning and roller mounting holes for roller positioning are formed in two longitudinal side plates of the horizontal frame, the rollers can rotate freely, and the front ends of the rollers are in rolling contact with the side surfaces of the prefabricated wall panels.
Preferably, the movable ejector rod further comprises a sliding shaft and a screw rod, wherein the sliding shaft is transversely arranged on two sides of the horizontal frame and is axially parallel to the roller mounting hole; the screw rod is longitudinally and rigidly connected to the center of the rear part of the horizontal frame.
Further preferably, the radius of the roller is larger than the distance from the center of the roller mounting hole to the outer edge of the front part of the horizontal frame.
Further preferably, the plumb bob subassembly contains plumb bob, connecting rod and axle sleeve, plumb bob and axle sleeve rigid connection respectively are at the connecting rod both ends, the plumb bob is conical plumb bob, the horizontal vertical suit of axle sleeve is on the installation axle.
Further preferably, the swing frame is U-shaped and comprises two side plates, shaft mounting holes are formed in the upper portions of the side plates, a fixing plate is arranged on the inner side of the lower portion of each side plate, and a proximity switch is mounted on each fixing plate.
Furthermore, when the swing frame is in a free state, a vertical connecting line from the center of the proximity switch sensing surface to the mounting shaft of the swing frame is positioned in the vertical direction; the distance B from the center of the induction surface of the proximity switch to the outermost edge of the side plate at the bottom of the swing frame is equal to the distance A from the axis of the mounting shaft to the outer edge of the roller at the foremost end of the movable ejector rod.
Further preferably, the driving mechanism is composed of a motor, a transmission shaft and a bearing, an output shaft of the motor is connected with the transmission shaft, and the bearing supports the transmission shaft and axially positions the transmission shaft; the transmission shaft and the screw rod are respectively provided with an internal thread and an external thread to form a transmission relation, and the rotary motion of the transmission shaft is converted into the linear motion of the screw rod.
Preferably, the mounting seat extends to form a support plate corresponding to the two transverse sides of the front part of the mounting position of the movable ejector rod, the support plate is provided with two opposite long holes, and two ends of a sliding shaft of the movable ejector rod penetrate into the long holes respectively to serve as auxiliary supports of the movable ejector rod.
In addition, the invention also provides a using method of the automatic verticality adjusting device for the reinforced concrete prefabricated wall panel, which is characterized in that the device is used in pairs, and the specific using method is as follows:
step one, installing a verticality adjusting device: arranging a rigid fixing seat on an existing building structure, and symmetrically installing 2 verticality adjusting devices on the rigid fixing seat by taking a prefabricated wall panel surface as a center, wherein the verticality adjusting devices are positioned at the upper part and the horizontal middle position of a prefabricated wall panel, and the initial state is that a movable ejector rod is far away from the installation position of the prefabricated wall panel;
step two, hoisting the prefabricated wall panel: the crane hoists the prefabricated wall panel to move downwards from the upper parts of the two verticality adjusting devices and the movable ejector rods, and does not loosen the lifting hook firstly after reaching the installation position and positioning the bottom;
step three, pre-jacking: starting the verticality adjusting device, and driving the movable ejector rods to move towards the prefabricated wallboard by the motors on the two sides respectively to perform pre-jacking and tightening, and respectively contacting with the wallboard;
step four, judging the inclination direction: when the verticality of the prefabricated wall panel does not meet the requirement, the sensing surface of one proximity switch in the two groups of verticality adjusting devices deviates from the tip end of the plumb bob, and the signal of the proximity switch is changed; the other group of proximity switches is opposite to the top end of the plumb bob, and the signals of the proximity switches are unchanged, so that the prefabricated wall board can be judged to incline to the side, on which the signals of the proximity switches are unchanged;
step five, adjusting the verticality of the prefabricated wall panel: the crane loosens the lifting hook without unhooking, simultaneously controls the movable ejector rod of the verticality adjusting device with the inclination changed to retreat in the opposite direction of the prefabricated wallboard, the movable ejector rod on the side without the inclination changed continues to advance in the direction of the prefabricated wallboard, pushes the upper part of the prefabricated wallboard to move in the opposite vertical direction, when the prefabricated wallboard reaches the vertical state, the induction surfaces of the proximity switches on the two sides are opposite to the tip end of the plumb bob, the proximity switch signals are the same as the initial state, the wallboard is indicated to be vertical, and at the moment, the action of the movable ejector rod is;
step six, fixing the prefabricated wall panel: mounting and adjusting the prefabricated wall boards at other parts, and performing other mounting and fixing work such as member post-cast node pouring and the like;
step seven, the movable ejector rod retreats: after the prefabricated wallboard is installed, the movable ejector rod is controlled to retreat to be separated from the prefabricated wallboard, and thus, the construction of one prefabricated wallboard is finished.
Compared with the prior art, the invention has the technical advantages that:
1. the device has simple structure, is convenient for batch processing, production and use, and has low requirement on the technical level of constructors;
2. the device is operated in a pure automatic mode, manual intervention is not needed, human resources are saved, and the engineering cost is further reduced;
3. the device can effectively ensure efficiency, is short in time consumption, and has positive significance for improving the installation and construction efficiency of the fabricated building.
Drawings
The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative, not limiting of the invention, and in which:
FIG. 1 is a schematic view of the overall structure of an automatic adjusting device for the verticality of a reinforced concrete prefabricated wall panel according to the present invention;
FIG. 2 is a schematic view of the overlooking structure of the automatic adjusting device for the verticality of the reinforced concrete prefabricated wall panel according to the present invention;
FIG. 3 is a schematic view of the overall structure of the movable carrier rod according to the present invention;
FIG. 4 is a top view of FIG. 3;
fig. 5 is a schematic view of the overall structure of a plumb bob assembly according to the present invention;
FIG. 6 is a left side view of FIG. 5;
FIG. 7 is a schematic view of the overall structure of the swing frame according to the present invention;
FIG. 8 is a left side view of FIG. 7;
FIG. 9 is a schematic view of the initial state of the prefabricated wall panel for perpendicularity adjustment using the apparatus of the present invention;
FIG. 10 is a schematic diagram of the pre-tightening state of the prefabricated wall panel during the perpendicularity adjustment by using the device of the present invention;
fig. 11 is a schematic diagram of the state of finished adjustment when the device of the present invention is used for adjusting the verticality of the prefabricated wall panel.
Reference numerals: 1-movable ejector rod, 11-horizontal frame, 12-roller, 13-sliding shaft, 14-screw, 15-coaxial mounting hole, 16-roller mounting hole, 2-plumb component, 21-plumb, 22-connecting rod, 23-shaft sleeve, 3-swing frame, 31-mounting shaft, 32-fixing plate, 33-side plate, 34-shaft mounting hole, 4-proximity switch, 5-mounting seat, 51-supporting plate, 52-long hole, 6-driving mechanism, 61-motor, 62-transmission shaft, 63-bearing, 7-prefabricated wall plate and 8-rigid fixing seat.
Detailed Description
Hereinafter, embodiments of an automatic adjusting apparatus for the verticality of a reinforced concrete prefabricated wall panel and a method for using the same according to the present invention will be described with reference to the accompanying drawings. The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships. It is noted that the drawings are not necessarily to the same scale so as to clearly illustrate the structures of the various elements of the embodiments of the invention. Like reference numerals are used to denote like parts. The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in figures 1 and 2, the automatic verticality adjusting device for the reinforced concrete prefabricated wall panel is characterized in that: the device comprises a movable ejector rod 1, a plumb bob component 2, a swing frame 3, a proximity switch 4, a mounting seat 5 and a driving mechanism 6; the movable ejector rod 1 is horizontally arranged and arranged on the mounting base 5 together with the driving mechanism 6, and the driving mechanism 6 drives the movable ejector rod 1 to move left and right; the plumb bob component 2 and the swing frame 3 are coaxially arranged, a common mounting shaft 31 is supported on the movable ejector rod 1, and the plumb bob component 2 and the swing frame 3 freely swing in a vertical plane around the mounting shaft 31 respectively; and a proximity switch 4 is arranged on the swing frame 3, when the plumb bob component 2 and the swing frame 3 are both in a free state, a connecting line between the center of the sensing surface of the proximity switch 4 and the mounting shaft 31 is positioned in the vertical direction, and the sensing surface of the proximity switch 4 is aligned with the tip of the plumb bob 21 in the plumb bob component 2. The driving mechanism 6 consists of a motor 61, a transmission shaft 62 and a bearing 63, wherein the output shaft of the motor 61 is connected with the transmission shaft 62, and the bearing 63 supports the transmission shaft 62 and axially positions the transmission shaft; the transmission shaft 62 and the screw 14 are respectively provided with internal threads and external threads to form a transmission relationship, and the rotary motion of the transmission shaft 62 is converted into the linear motion of the screw 14. The mounting seat 5 is respectively extended with a support plate 51 towards the two longitudinal sides of the front part of the movable mandril 1, and the support plate 51 is provided with two opposite long holes 52. Two ends of the sliding shaft 13 on the movable top bar 1 can respectively penetrate into the long holes 52 to be used as auxiliary support of the movable top bar 1.
As shown in fig. 3 and 4, the movable mandril comprises a rectangular horizontal frame 11 and rollers 12 arranged at the front part of the horizontal frame 11, coaxial mounting holes 15 for positioning a mounting shaft 31 and roller mounting holes 16 for positioning the rollers 12 are formed on the left side plate and the right side plate of the horizontal frame 11, the rollers 12 can rotate freely, the front ends of the rollers are in rolling contact with the side surfaces of the prefabricated wall panel 7, and the radius of the rollers is larger than the distance from the centers of the roller mounting holes 16 to the outer edge of the front part of the horizontal frame; the movable ejector rod 1 further comprises a sliding shaft 13 and a screw 14, wherein the sliding shaft 13 is transversely arranged on two sides of the horizontal frame 11 and is axially parallel to the roller mounting hole 16; the screw 14 is rigidly and longitudinally connected to the center of the rear part of the horizontal frame 11, wherein the length direction is longitudinal, that is, the moving direction of the movable mandril is longitudinal, and the left and right are transverse, the same as below.
As shown in fig. 5 and 6, the plumb bob assembly 2 includes a plumb bob 21, a link rod 22, and a boss 23. The plumb 21 and the bushing 23 are rigidly connected to the respective ends of the link 22. Plumb 21 is a conical plumb. The sleeve 23 is fitted over the mounting shaft 31.
As shown in fig. 7 and 8, the swing frame 3 includes two side plates 33, a shaft mounting hole 34 is formed in an upper portion of the side plates, a fixing plate 32 is formed inside a lower portion of the side plates, and the proximity switch 4 is mounted on the fixing plate 32. When the swing frame 3 is in a free state, a vertical connecting line from the center of the sensing surface of the proximity switch 4 to the mounting shaft 31 of the swing frame 3 is positioned in the vertical direction; the distance B from the center of the sensing surface of the proximity switch 4 to the leftmost outer edge of the bottom of the swing frame 3 is equal to the distance A from the axis of the mounting shaft 31 to the outer edge of the roller at the leftmost outer edge of the movable ejector rod 1.
The automatic verticality adjusting device for the reinforced concrete prefabricated wall plate is used in pairs, and the specific using method comprises the following steps:
step one, installing a verticality adjusting device: as shown in fig. 9, a rigid fixing seat 8 is arranged on an existing building structure, 2 perpendicularity adjusting devices and prefabricated wall boards are arranged on the rigid fixing seat 8 in a plane symmetry manner and are positioned at the upper parts and the horizontal middle positions of the prefabricated wall boards, and the initial states are all installation positions of movable ejector rods 1 far away from prefabricated wall boards 7;
step two, hoisting the prefabricated wall panel 7: the crane hoists the prefabricated wall panel 7 to move downwards from the upper parts of the two perpendicularity adjusting devices and the movable ejector rods, and after the prefabricated wall panel reaches the installation position and is positioned at the bottom, the lifting hook is not loosened;
step three, pre-jacking: as shown in fig. 10, the verticality adjusting device is started, and the motors 61 on the two sides respectively drive the movable ejector rods 1 to move towards the direction of the prefabricated wall board 7 for pre-jacking and respectively contact with the wall board;
step four, judging the inclination direction: when the verticality of the prefabricated wall plate 7 does not meet the requirement, the sensing surface of one proximity switch 4 in the two groups of verticality adjusting devices deviates from the tip end of the plumb bob 21, and the signal of the proximity switch 4 is changed; the other group of proximity switches 4 is opposite to the tip of the plumb bob 21, and the signals of the proximity switches are unchanged, so that the prefabricated wall plate 7 can be judged to incline to the side, on which the signals of the proximity switches are unchanged;
step five, adjusting the verticality 7 of the prefabricated wall panel: the crane can release the lifting hook but not unhook, and simultaneously control the inclination to change the movable ejector rod 1 of the verticality adjusting device on one side to retreat in the opposite direction of the prefabricated wall plate 7, the movable ejector rod 1 on the unchanged side continues to advance in the direction of the prefabricated wall plate 7 to push the upper part of the prefabricated wall plate 7 to move in the opposite vertical direction, when the prefabricated wall plate 7 reaches the vertical state, the induction surfaces of the proximity switches 4 on the two sides are both over against the tip end of the plumb 21, the proximity switch signals are the same as the initial state to indicate that the wall plate is vertical, and at the moment, the action of the movable ejector rod can be;
step six, fixing the prefabricated wall plate 7: mounting and adjusting the prefabricated wall panels 7 at other parts, and performing other mounting and fixing work such as member post-cast node pouring and the like;
and seventhly, after the prefabricated wall panel 7 is installed, controlling the movable ejector rod 1 to retreat to be separated from the prefabricated wall panel 7, and finishing the installation construction of one prefabricated wall panel.
The process is convenient for carry out closed-loop control through electrical control system with the top, realizes the automatic adjustment of the prefabricated wallboard installation straightness that hangs down of reinforced concrete.
The device effectively realizes the automatic verticality positioning of the reinforced concrete prefabricated wall panel without manual intervention, and has simple structure and high working efficiency.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a prefabricated wallboard of reinforced concrete straightness automatic adjusting device that hangs down which characterized in that: comprises a movable ejector rod (1), a plumb bob component (2), a swing frame (3), a proximity switch (4), a mounting seat (5) and a driving mechanism (6); the movable ejector rod (1) is horizontally arranged and arranged on the mounting base (5) together with the driving mechanism (6), and the driving mechanism (6) drives the movable ejector rod (1) to move left and right; the plumb bob component (2) and the swing frame (3) are coaxially arranged, a common installation shaft (31) is supported on the movable ejector rod (1), and the plumb bob component (2) and the swing frame (3) freely swing in a vertical plane around the installation shaft (31) respectively; install proximity switch (4) on rocker (3), work as when plummet subassembly (2) and rocker (3) all are in free state, proximity switch's (4) response face center is located vertical direction with the line of installation axle (31), and proximity switch's (4) response face and plummet (21) pointed end in plummet subassembly (2) are adjusted well.
2. The automatic verticality adjusting device for the reinforced concrete prefabricated wall panel according to claim 1, is characterized in that: the movable ejector rod comprises a rectangular horizontal frame (11) and rollers (12) arranged at the front part of the horizontal frame (11), coaxial mounting holes (15) used for positioning a mounting shaft (31) and roller mounting holes (16) used for positioning the rollers (12) are formed in two longitudinal side plates of the horizontal frame (11), the rollers (12) freely rotate in the roller mounting holes (16), and the front ends of the rollers are in rolling contact with the side surfaces of the prefabricated wall panels (7).
3. The automatic verticality adjusting device for the reinforced concrete prefabricated wall panel according to claim 2, is characterized in that: the radius of the roller (12) is larger than the distance from the center of the roller mounting hole (16) to the outer edge of the front part of the horizontal frame.
4. The automatic verticality adjusting device for the reinforced concrete prefabricated wall panel according to claim 2, is characterized in that: the movable ejector rod (1) further comprises a sliding shaft (13) and a screw (14), wherein the sliding shaft (13) is transversely arranged on two sides of the horizontal frame (11) and is axially parallel to the roller mounting hole (16); the screw rod (14) is longitudinally and rigidly connected to the center of the rear part of the horizontal frame (11).
5. The automatic verticality adjusting device for the reinforced concrete prefabricated wall panel according to claim 1, is characterized in that: plumb bob subassembly (2) contain plumb bob (21), connecting rod (22) and axle sleeve (23), plumb bob (21) and axle sleeve (23) rigid connection respectively are at connecting rod (22) both ends, plumb bob (21) are conical plumb bob, axle sleeve (23) horizontal suit is on installation axle (31).
6. The automatic verticality adjusting device for the reinforced concrete prefabricated wall panel according to claim 1, is characterized in that: the swing frame (3) is U-shaped and comprises two side plates (33), shaft mounting holes (34) are formed in the upper portions of the side plates, fixing plates (32) are arranged on the inner sides of the lower portions of the side plates, and proximity switches (4) are mounted on the fixing plates (32).
7. The automatic verticality adjusting device for the reinforced concrete prefabricated wall panel according to claim 6, is characterized in that: when the swing frame (3) is in a free state, a vertical connecting line from the center of the sensing surface of the proximity switch (4) to the mounting shaft (31) of the swing frame (3) is positioned in the vertical direction; the distance B from the center of the sensing surface of the proximity switch (4) to the outermost edge of the bottom side plate (33) of the swing frame (3) is equal to the distance A from the axis of the mounting shaft (31) to the outermost edge of the roller at the foremost end of the movable ejector rod (1).
8. The automatic verticality adjusting device for the reinforced concrete prefabricated wall panel according to claim 1, is characterized in that: the driving mechanism (6) consists of a motor (61), a transmission shaft (62) and a bearing (63), an output shaft of the motor (61) is connected with the transmission shaft (62), and the bearing (63) supports the transmission shaft (62) and axially positions the transmission shaft; the transmission shaft (62) and the screw (14) are respectively provided with an internal thread and an external thread to form a transmission relation, and the rotary motion of the transmission shaft (62) is converted into the linear motion of the screw (14).
9. The automatic verticality adjusting device for the reinforced concrete prefabricated wall panel according to claim 1, is characterized in that: the mounting seat (5) extends to form a supporting plate (51) corresponding to the two transverse sides of the front part of the mounting position of the movable ejector rod (1), the supporting plate (51) is provided with two opposite long holes (52), and two ends of a sliding shaft (13) of the movable ejector rod (1) penetrate into the long holes (52) respectively to serve as auxiliary supports of the movable ejector rod (1).
10. The use method of the automatic verticality adjusting device for the reinforced concrete prefabricated wall panel according to any one of claims 1 to 9 is characterized in that the device is used in pairs, and the specific use method is as follows:
step one, installing a verticality adjusting device: arranging a rigid fixing seat (8) on an existing building structure, and symmetrically installing 2 verticality adjusting devices on the rigid fixing seat (8) by taking a prefabricated wall panel surface as a center, wherein the verticality adjusting devices are positioned at the upper part and the horizontal middle position of a prefabricated wall panel, and the initial state is the installation position of a movable ejector rod (1) far away from a prefabricated wall panel (7);
step two, hoisting the prefabricated wall board (7): the crane hoists the prefabricated wall panel (7) to move downwards from the upper parts of the two perpendicularity adjusting devices and the movable ejector rods, and after the prefabricated wall panel reaches the installation position and is positioned at the bottom, the lifting hook is not loosened;
step three, pre-jacking: starting the verticality adjusting device, and driving the movable ejector rods (1) to move towards the direction of the prefabricated wall plate (7) by the motors (61) on the two sides respectively to be pre-jacked tightly and respectively contact with the wall plate;
step four, judging the inclination direction: when the verticality of the prefabricated wall plate (7) does not meet the requirement, the sensing surface of one proximity switch (4) in the two groups of verticality adjusting devices deviates from the tip end of the plumb bob (21), and the signal of the proximity switch (4) is changed; the other group of proximity switches (4) is opposite to the tip of the plumb bob (21), and the signals of the proximity switches are unchanged, so that the prefabricated wall plate (7) can be judged to incline to the side, on which the signals of the proximity switches are unchanged;
step five, adjusting the verticality of the prefabricated wall plate (7): the crane loosens the lifting hook without unhooking, simultaneously controls the movable ejector rod (1) of the verticality adjusting device with the inclination changed to retreat in the opposite direction of the prefabricated wall plate (7), and continuously advances towards the prefabricated wall plate (7) by the movable ejector rod (1) on the side which is not changed to push the upper part of the prefabricated wall plate (7) to move towards the relative vertical direction; when the prefabricated wall plate (7) reaches a vertical state, the sensing surfaces of the proximity switches (4) on the two sides are opposite to the tip end of the plumb bob (21), the proximity switch signals are the same as the initial state, the wallboard is vertical, and the action of the movable ejector rod is stopped at the moment;
step six, fixing the prefabricated wall board (7): mounting and adjusting the prefabricated wall boards (7) at other parts, and performing member post-cast node pouring and other mounting and fixing work;
step seven, the movable ejector rod (1) retreats: after the prefabricated wall board (7) is installed, the movable ejector rod (1) is controlled to retreat to be separated from the prefabricated wall board (7), and the installation construction of one prefabricated wall board is finished.
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CN201138724Y (en) * | 2007-12-28 | 2008-10-22 | 安徽省电力公司蚌埠供电公司 | Vertical positioning apparatus for mounting of high-voltage segregate switch mechanism |
CN201900424U (en) * | 2010-11-24 | 2011-07-20 | 理想能源设备有限公司 | Load adjusting and positioning device |
CN202298628U (en) * | 2011-10-24 | 2012-07-04 | 武汉地质勘察基础工程有限公司 | Automatic steel pipe column perpendicularity adjusting device using reverse construction method |
CN202611259U (en) * | 2012-03-16 | 2012-12-19 | 张庭伟 | Steel column accurate vertical adjusting device of inverse building construction method |
CN105113708B (en) * | 2015-08-24 | 2018-08-07 | 北京珠穆朗玛绿色建筑科技有限公司 | The assembled architecture of precast reinforced concrete structure and its composition |
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