CN210655923U - Steel construction building can have enough to meet need formula tower crane and attach wall anchor - Google Patents
Steel construction building can have enough to meet need formula tower crane and attach wall anchor Download PDFInfo
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- CN210655923U CN210655923U CN201920909595.0U CN201920909595U CN210655923U CN 210655923 U CN210655923 U CN 210655923U CN 201920909595 U CN201920909595 U CN 201920909595U CN 210655923 U CN210655923 U CN 210655923U
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- 230000007306 turnover Effects 0.000 claims abstract description 10
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- 239000004035 construction material Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 28
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- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 2
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Abstract
A steel structure building turnover tower crane wall-attached anchoring device comprises a U-shaped connecting steel plate, a rectangular steel plate and an ear plate; the rectangular steel plate is arranged at an opening of the n-shaped connecting steel plate, the rectangular steel plate is connected with the n-shaped connecting steel plate through a high-strength bolt, and the shape of an area formed between the rectangular steel plate and the n-shaped connecting steel plate is matched with the size of a steel column; the otic placode welding is in the outside of a few font connection steel sheet top surfaces and/or the outside of a few font connection steel sheet side, the otic placode hole has been seted up on the otic placode. This tower crane attaches wall anchor construction technique changes girder steel atress situation, avoids extravagant construction material, construction cycle length scheduling problem.
Description
Technical Field
The utility model relates to a technical field of construction equipment, especially a steel construction building can have enough to meet need formula tower crane and attach wall anchor.
Background
In recent years, with the adjustment of national industrial structures and the advocation of green energy-saving building concepts in the building industry, after the decision of vigorously developing the fabricated building is made by the state department, the construction of the fabricated building also brings many difficulties and challenges to the vast construction enterprises. The building has the advantages of high construction speed, small restriction by weather conditions, labor saving, quality improvement in the field of buildings competing for minutes and seconds for construction period and incomparable superiority. The fabricated building becomes the core industry of the transformation of the building industry, and the prefabricated building needs a construction tool, namely a tower crane, to be fabricated on a construction site in factory production. It is well known that steel beam columns bear primarily vertical loads, while wall-attached anchors of tower cranes bear primarily lateral horizontal loads. The traditional tower crane wall-attached anchoring technology mainly adopts pre-buried foundation bolts and connecting steel plates, the construction process is complex, wall-attached anchoring parts need to be pre-buried on beams or floor slabs at the wall-attached installation height in advance, the wall-attached concrete needs to be installed to enable the tower crane wall-attached to be installed, and the construction speed is slow. And the embedded ear plates are cut by oxygen after the later-stage demolition, the embedded steel plates and the embedded bolts are left in the building, and the construction process wastes construction materials and is not suitable for the requirements of people. A tower crane wall-attached anchoring device which can be rotated in all directions, is convenient and quick to install, saves the construction period and improves the working efficiency is urgently needed.
Disclosure of Invention
The tower crane wall-attached anchoring construction technology aims at solving the problems that the stress condition of a steel beam is changed, construction materials are avoided being wasted, the construction period is long and the like. The utility model aims at providing a novel steel construction building can have enough to meet need formula tower crane and attach wall anchor device, overcome above-mentioned problem. The device can realize self-processing production, through embracing post mounting means, successfully turns into vertical load with the side load. Whether the concrete strength of the floor reaches the strength or not is not considered, the attached requirement of the tower crane can be met, and the characteristics of rapid and efficient construction of the fabricated building are met. After the construction is finished, only the nut needs to be loosened, the device is disassembled, and the cleaning can be used in a turnover mode. The effects of energy conservation and environmental protection are achieved.
The technical scheme for solving the problems is as follows: a steel structure building turnover tower crane wall-attached anchoring device comprises a U-shaped connecting steel plate, a rectangular steel plate and an ear plate; the rectangular steel plate is arranged at an opening of the n-shaped connecting steel plate, the rectangular steel plate is connected with the n-shaped connecting steel plate through a high-strength bolt, and the shape of an area formed between the rectangular steel plate and the n-shaped connecting steel plate is matched with the size of a steel column; the otic placode welding is in the outside of a few font connection steel sheet top surfaces and/or the outside of a few font connection steel sheet side, the otic placode hole has been seted up on the otic placode.
The further technical scheme is as follows: the ear plates are double ear plates.
The further technical scheme is as follows: the top surface and the side surface of the n-shaped connecting steel plate are of an integrally formed structure.
Due to the adoption of the technical scheme, the utility model relates to a steel construction building can have enough to meet need formula tower crane and attach wall anchor compares with prior art, has following beneficial effect:
1. the stress changes: through adopting on the steel column and embracing the installation of column type anchor mode the utility model discloses a tower crane attaches wall anchor, the device is connected with the adjustable articulated joint of tower crane, changes to the steel column anchor from current roof beam anchor, changes vertical load with the yawing force conversion, has exert the atress effect of steel column.
2. Saving the construction period: the utility model discloses a tower crane attaches wall anchor's installation, does not receive the influence whether the concrete reaches intensity, and construction convenience is swift, has realized the characteristics of the high efficiency construction of prefabricated building.
3. Energy conservation and environmental protection: the utility model discloses a tower crane attaches wall anchor and can recycle, has energy-concerving and environment-protective characteristics.
It is right below to combine figure and embodiment the utility model relates to a steel construction building can have enough to meet need formula tower crane and attach wall anchor's technical characteristic and do further explanation.
Drawings
FIG. 1 is a schematic structural view of the turnover tower crane wall-attached anchoring device of the steel structure building of the utility model;
fig. 2 is the utility model discloses a steel construction building can have enough to meet need formula tower crane and attach wall anchor installation schematic diagram.
In the figure:
the steel plate comprises 1-lug plates, 2-inverted V-shaped connecting steel plates, 21-top surfaces, 22-side surfaces, 3-rectangular steel plates, 4-bolt holes, 5-high-strength bolts, 6-nuts, 7-adjustable hinged joints, 8-pin shafts, 9-cotter pins, 10-steel columns and 11-lug plate holes.
Detailed Description
As shown in fig. 1, the turnover tower crane wall-attached anchoring device for the steel structure building comprises a connecting steel plate 2 in a shape like a Chinese character 'ji', a rectangular steel plate 3 and an ear plate 1; the rectangular steel plate 3 is arranged at an opening of the n-shaped connecting steel plate 2, the rectangular steel plate 3 is connected with the n-shaped connecting steel plate 2 through a high-strength bolt 5, and the shape of an area formed between the rectangular steel plate 3 and the n-shaped connecting steel plate 2 is matched with the size of a steel column; the rectangular steel plate 3 and the n-shaped connecting steel plate 1 form a column embracing device. Otic placode 1 horizontal welding is in the outside of a few font connection steel sheet top surfaces 21 and/or the outside of a few font connection steel sheet side 22, otic placode hole 11 has been seted up on otic placode 1.
The ear plate 1 is a double ear plate.
The top surface 21 and the side surface 22 of the inverted U-shaped connecting steel plate are of an integrally formed structure. The integrated forming structure has high strength, easy control of manufacturing size and high precision.
The mounting method of the turnover tower crane wall-attached anchoring device for the steel structure building comprises the following steps: the tower crane wall-attached anchoring device is installed in place, the tower crane wall-attached anchoring device is adjusted and fixed, and the ear plate is connected with the wall-attached rod;
the tower crane wall-attached anchoring device is installed in place: the method comprises the following steps of (1) arranging a rectangular steel plate of the wall-attached anchoring device of the tower crane to be hoisted in a hoisting bag, hoisting and transporting the rectangular steel plate 2 in a shape like the Chinese character 'ji' after the rectangular steel plate is transported to the installation position of the steel column attachment height of the building by the tower crane, manually transporting the rectangular steel plate to the installation position after the Chinese character 'ji' shaped connection steel plate 2 is pulled to the specific installation position by manpower when the Chinese character 'ji' shaped connection steel plate 2 is close to the installation position, primarily screwing a;
the tower crane wall-attached anchoring device is adjusted and fixed: adjusting the accurate positions one by one according to the installation position and the elevation line on the steel column, finally screwing the high-strength bolt by using a torque wrench, fixing the tower crane wall-attached anchoring device, painting twice, and maintaining the high-strength bolt by using lubricating oil;
the ear plate is connected with the wall attaching rod: the otic placode of tower crane attaches wall anchor articulates with the one end of adjustable articulated joint 7 through round pin axle and opening whistle cooperation, the other end of adjustable articulated joint 7 is connected with the wall pole that attaches of tower crane.
Before the tower crane wall-attached anchoring device is installed in place, a safety protection rope device needs to be installed and a safety rope needs to be arranged in the air; face sky installation safety protection rope device, include following content:
(1) installation of a safety protection rope device:
the safety protection rope device is characterized in that: in the whole assembly type steel structure, an external scaffold does not need to be installed as an operation and protection system; the temporary protection is performed as a supporting point for installing the protection rope, so that the temporary protection is called as follows: safety protection rope device. In the construction process, the safety protection device has a temporary protection effect, and the other effect is used as a fastening point for installing a tower crane wall-attached anchoring piece and a wall-attached rod operation worker safety belt.
(2) Installing a safety protection rope device: the safety protection rope device consists of two angle steels, two diameter counter-pulling screw rods and an anti-skidding elastic cushion, wherein the two angle steels are both perforated in advance according to the diameters of the counter-pulling screw rods; leading out the elevation of the safety rope device by 2.5-3 m according to the elevation of the building, and positioning the installation position line of the line snapping safety rope device; the installation is favorable to the component atress towards the mode that positive and negative angle steel is separated by the combination, need two people cooperation to accomplish during the installation, leans on safety rope device post central line with the bullet pad earlier, and the angle steel attaches on the bullet pad, wears to draw the screw rod to take one's place, and is just twisted with the spanner, adjusts, finally twists.
(3) The construction sequence of the safety protection rope device is as follows: safety rope devices are installed in all buildings which are near to the air, and the construction sequence of the safety rope devices is that the safety rope devices are constructed from the side shafts of the structures in sequence.
(4) Maintenance of the safety protection rope device: after the safety rope device is installed, the anti-rust paint is coated once, and the anti-rust paint is coated twice; and hanging a warning slogan.
The safety rope is arranged, and comprises the following contents:
(1) butt joint of safety ropes: observing the diameter and the appearance of the steel wire rope, whether the steel wire rope is damaged or not, broken wires and the like; according to the overlapping length, the steel wire rope is threaded on the angle steel, the three plastic buckles are fixed temporarily in advance, the three rope clamps are installed, and the direction of the rope clamps is consistent.
(2) Safety rope arrangement and closing: according to the arrangement of the safety rope device, sequentially threading steel wire ropes, firstly threading the lower parts of the angle steels in the opposite-pulling screw rods, and then bypassing the upper part of the other angle steel to form a stressed pulling piece; and after the safety rope is arranged, tightening and closing the safety rope.
(3) Safety performance of the air safety rope device: checking and calculating the safety performance of the safety rope device; after the empty safety rope device is installed, the counter-pulling screw is screwed down and the safety rope is clamped firmly.
After completion, firstly removing the adjustable hinged joint connected with the upper ear plate of the inverted V-shaped connecting steel plate 2; then loosen the tower crane and attach the nut on the wall anchor, hold in the palm steady nearly font connecting steel plate 2, take off high strength bolt, rectangle steel sheet, then take off nearly font connecting steel plate 2 again, accomplish and demolish the operation. The tower crane wall-attached anchoring device is cleaned, painted and recycled, and can be used in a turnover mode.
The utility model discloses a steel construction building can have enough to meet need formula tower crane and attach wall anchor's otic placode 1 welding on nearly style of calligraphy connecting steel plate 2, nearly style of calligraphy connecting steel plate 2 and 3 armful of column types of rectangular steel plate are effectively connected with the high-strength bolt, and adjustable articulated joint 7 is installed on the otic placode hole with round pin axle 8, prevents to shift the slippage to with 9 chucking of split pin, through the horizontal load transmission of otic placode on the steel column. The rotatable tower crane wall-attached anchoring device for the steel structure building is simple and convenient to construct, saves the construction period and improves the working efficiency; the tower crane is flexible in wall attachment position, is not limited by the height of a floor, and can be flexibly attached according to the attachment height of the wall; the tower crane is attached without the factor of whether concrete is poured on the floor or not. Therefore, the construction technology provides support for the wall-attached anchoring technology of the fabricated steel structure building tower crane, and solves the technical problem of tower crane attachment. The assembly type building turnover tower crane attaches the wall rear-mounted embracing column type anchoring part and can be recycled, so that the construction cost is saved.
The utility model discloses it is required to explain, because the size of steel column all is fixed dimension, the error can not exceed 0.5 mm. Before leaving the factory, the steel column is sprayed with the thin fireproof coating, and the size deviation of the steel column before entering the factory is 0-3mm, so that the anchoring device of the utility model can not be used on projects and has the problems of large gap and incapability of fixing. If the gap is large, wedge-shaped square wood can be used for fixing.
In addition, a construction method of a tower crane wall attachment device is described below, the tower crane wall attachment device includes the steel structure building rotatable tower crane wall attachment anchoring device described in the embodiment, and a construction process flow thereof is as follows: construction preparation → face empty installation safety protection rope device → set up safety rope → tower crane attaches wall anchor takes one's place the installation → tower crane attaches wall anchor adjustment, fixed → attach the wall and connect → attach the wall device and accept use → post-positioned embracing post device (promptly the utility model discloses a tower crane attaches wall anchor) demolishs, retrieves and recycles. The construction preparation, the wall attachment connection, the wall attachment device acceptance and use and other steps are all conventional technologies.
The key points of the construction operation are as follows:
1. the construction preparation comprises the following contents:
1.1 familiarizing with a device design drawing to complete design bottom crossing, technical bottom crossing and construction deployment.
1.2 the construction machinery, labor force and building materials enter the field according to the plan.
1.3 the construction site progress is constructed to the tower crane construction scheme attachment height, and the upper building structure is stable. The method has the condition of attaching and mounting.
1.4 measuring and positioning, checking that the building construction is correct until the height of the attachment height is reached, introducing the elevation to the attachment height of the steel column of the building by the level gauge according to the attachment point of the tower body, and making a column holding positioning line by matching the level gauge with a tower ruler. Then the standard height line of the column is rechecked with the horizontal standard line and the standard height line of the building construction without errors.
2. Face sky installation safety protection rope device, include the following content:
2.1 safety protection rope device installation
The safety protection rope device is characterized in that: in the whole assembled steel structure, an external scaffold does not need to be installed as an operation and protection system. The temporary protection is performed as a supporting point for installing the protection rope, so that the temporary protection is called as follows: safety protection rope device.
2.2 installing a safety protection rope device: the safety protection rope device consists of two angle steels (L50 x 50 x 3), two opposite pull screws with diameters (18-20) and an anti-skid elastic pad, wherein the two angle steels are perforated in advance according to the diameters of the opposite pull screws. According to the elevation of the building, the elevation of the safety rope device is led out to be 2.5-3 m, and the installation position line of the line snapping safety rope device is positioned. The installation is favorable to the component atress towards the mode that positive and negative angle steel is separated by the combination, need two people cooperation to accomplish during the installation, leans on safety rope device post central line with the bullet pad earlier, and the angle steel attaches on the bullet pad, wears to draw the screw rod to take one's place, and is just twisted with the spanner, adjusts, finally twists.
2.3 safety protection rope device construction order: safety rope devices are installed in all buildings which are near to the air, and the construction sequence of the safety rope devices is that the safety rope devices are constructed from the side shafts of the structures in sequence.
2.4 maintenance of the safety protection rope device: after the safety rope device is installed, the anti-rust paint is coated once, and the anti-rust paint is coated twice. Hang warning poster "safety rope device, forbid to demolish".
3. Arranging a safety rope, comprising the following contents:
3.1 safety rope butt joint: the diameter and appearance of the steel wire rope are observed to see whether the steel wire rope is damaged or broken. According to the overlapping length, the steel wire rope is threaded on the angle steel, the three plastic buckles are fixed temporarily in advance, the three rope clamps are installed, and the direction of the rope clamps is consistent.
3.2 safety rope arrangement and closing: according to the arrangement of the safety rope device, the steel wire ropes are sequentially threaded, the lower parts of the angle steels are firstly threaded in the opposite-pulling screw rods, and then the upper parts of the other angle steels are bypassed, so that a stressed pulling piece is formed. After the safety rope is arranged, the safety rope is tightened and closed, and the closing of the safety rope is consistent with the butt joint process principle.
3.3 face empty safety rope device's security performance: checking the safety performance of the safety rope device, and according to the fact that the overall static tension of the safety belt should not be less than 15KN, the theoretical value of the tension distributed to each angle steel is 7.5KN, the friction system U of the elastic cushion and the angle steel is 0.65, and the friction force FN = Ufn, therefore: the tension transmitted to the opposite pulling screw rod is as follows: 7.5/6.5 is 11.54KN, is larger than the allowable tension value of 17.8KN of the counter-pulling screw rod with the diameter of 12mm, and meets the requirement of safe mechanical property. After the empty safety rope device is installed, the counter-pulling screw is screwed down and the safety rope is clamped firmly.
4. The tower crane attaches wall anchor device installation of taking one's place includes following content:
4.1 tower crane attaches wall anchor and fixes temporarily: the rectangular steel plate of the column embracing device to be hoisted is arranged in a hoisting bag, and after the rectangular steel plate is hoisted to the mounting position of the rear column embracing device by utilizing tower crane transportation, 2 double-lug U-shaped connecting steel plate members are hoisted and transported, and when the 2 double-lug U-shaped connecting steel plate members are close to the mounting position, the rectangular steel plate of the column embracing device is manually transported to the mounting position after the concrete mounting position is dragged by adopting manpower, and the bolts are initially screwed and the columns are molded.
4.2 the tower crane attaches the adjustment of wall anchor, fixed: adjusting the accurate positions one by one according to the mounting position and the elevation line on the steel column, finally screwing the bolts by using a torque wrench, fixing the column holding device, brushing oil and paint twice, and coating lubricating oil on the bolts for maintenance.
4.3 installation of the wall-attached anchor piece at another angle: the mounting process refers to steps 4.1 and 4.2.
5. Wall-attached connection
5.1 installing the tower crane wall-attached rod: the tower crane wall attaching frame adopts a wall attaching frame, a pull rod and an adjustable hinged joint which are produced by the original tower crane factory, a frame beam is enclosed into an attaching frame by a high-strength bolt, a nut, a washer and the like, and the attaching frame is connected with two vertexes of a building by the pull rod. The pull rod is connected with the column embracing device on the steel column through the matching of the pin shaft and the opening whistle. After the pull rod and the adjustable hinged joint are installed, the tower crane is adopted to hoist the pull rod to the installation position, the wall attaching frame on the tower body is connected through the pin shaft, and the pull rod is pulled to butt joint of the ear plates of the wall attaching anchoring device of the tower crane through matching of the tower crane and the hand block. The wall attachment device is temporarily fixed using a pin.
5.2 the tower crane attaches the adjustment of wall device, fixed: after the wall attaching device is temporarily fixed, the verticality of the tower body is measured by a theodolite while the length of the whole pull rod is adjusted, the verticality of the tower body below the highest attaching frame is not more than 2/1000, and the inclination angle of the attaching rod cannot exceed 10 degrees. During the installation process, the attachment device and the tower body should be tightly connected, so that whether each node has a loosening phenomenon or not should be checked at any time, and if an abnormal condition is found, the operation should be stopped rapidly to take measures and adjust. After the adjustment is finished, a cotter pin and an opening are inserted. Hang the installation that the sign "tower crane attaches the wall, forbid demolising" accomplished and attaches the wall device.
5.3 another angle attaches the wall and connects: refer to steps 5.1, 5.2.
6. The wall-attached device is used for checking and accepting:
the tower crane wall-attached anchoring device is inspected and accepted, the tower crane wall-attached anchoring device reports supervision and acceptance according to the following conditions that the installation and acceptance data are complete basically, the foundation and the tower body foundation structure are safe, the safety limit and the safety device are sensitive, the transmission of a transmission system is stable, no abnormal noise exists, the operation and use environment meet the requirements and the like, the items of the attachment and anchoring to be accepted include that firstly, the installation position of the column holding device is checked to meet the specified requirements, ②, the tower body and the column holding device are fixed firmly, the attachment height, the spacing, the free height, the anchoring point and the use specification are met, thirdly, the attachment device is fixed firmly, all bolts, pin shafts and complete pins are arranged, the locking of the lock pins is reliable, the iron pads, wedge blocks and other parts are effective, fourthly, the perpendicularity deviation of the attached tower body is less than 2 permillage, and the perpendicularity of the tower body shaft pair bearing surface above the highest attachment point in the attachment state is less than 4 permillage.
6.2 the tower crane attaches the wall device to be reported: after the tower crane is qualified, the tower crane shall be reported to local administrative departments for recording, and can be used after agreeing to the recording.
7. Post-positioned embracing column device (namely the utility model discloses a tower crane attaches wall anchor) demolishs, retrieves and recycles
7.1 dismantling a tower crane: after the engineering is completed, the tower body component is firstly removed, and then the column embracing device is removed. The process flow of disassembling the tower crane (which is the reverse process of installation): descending the tower body → disassembling the wall-attached structure → disassembling a part of the counterweight → the crane jib → disassembling the rest of the counterweight → the crane winch and the counterweight arm → the tower tip → the cab → the swing mechanism → the inner race frame → the first race frame → the foundation race frame → four foundation legs.
7.2 the tower crane attaches the anchor of wall and demolishs: before the anchoring device is dismantled, whether the protection of the operation layer is tight and firm should be checked. The dismounting of the column embracing device is a reverse construction method for mounting, and the dismounting process comprises the following steps: removing the rectangular steel plate → removing the connecting steel plate shaped like Chinese character 'ji'. Firstly, loosening the nut of the column embracing device, supporting the stable inverted V-shaped connecting steel plate, and taking down the bolt and the rectangular steel plate. And then taking down the connecting steel plate in the shape of the Chinese character 'ji'. And finishing the dismantling operation. Cleaning, painting, recycling and reusing.
Claims (3)
1. The utility model provides a steel construction building can have enough to meet need formula tower crane attaches wall anchor, its characterized in that: comprises a connecting steel plate (2) shaped like a Chinese character 'ji', a rectangular steel plate (3) and an ear plate (1); the rectangular steel plate (3) is arranged at an opening of the n-shaped connecting steel plate (2), the rectangular steel plate (3) is connected with the n-shaped connecting steel plate (2) through a high-strength bolt (5), and the shape of an area formed between the rectangular steel plate (3) and the n-shaped connecting steel plate (2) is matched with the size of a steel column; otic placode (1) welding is in the outside of a few font connecting steel plate top surfaces (21) and/or the outside of a few font connecting steel plate side (22), otic placode hole (11) have been seted up on otic placode (1).
2. The steel structure building turnover tower crane wall-attached anchoring device of claim 1, characterized in that: the ear plate (1) is a double-ear plate.
3. The steel structure building turnover tower crane wall-attached anchoring device of claim 1, characterized in that: the top surface (21) and the side surface (22) of the n-shaped connecting steel plate are of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920909595.0U CN210655923U (en) | 2019-06-17 | 2019-06-17 | Steel construction building can have enough to meet need formula tower crane and attach wall anchor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920909595.0U CN210655923U (en) | 2019-06-17 | 2019-06-17 | Steel construction building can have enough to meet need formula tower crane and attach wall anchor |
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| CN210655923U true CN210655923U (en) | 2020-06-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255403A (en) * | 2019-06-17 | 2019-09-20 | 广西建工集团第五建筑工程有限责任公司 | A kind of steel building can turnover type tower crane attached wall anchor and its installation method |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255403A (en) * | 2019-06-17 | 2019-09-20 | 广西建工集团第五建筑工程有限责任公司 | A kind of steel building can turnover type tower crane attached wall anchor and its installation method |
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