CN108868131B - Temporary support device for prefabricated staircase and application construction method thereof - Google Patents
Temporary support device for prefabricated staircase and application construction method thereof Download PDFInfo
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- CN108868131B CN108868131B CN201810762675.8A CN201810762675A CN108868131B CN 108868131 B CN108868131 B CN 108868131B CN 201810762675 A CN201810762675 A CN 201810762675A CN 108868131 B CN108868131 B CN 108868131B
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- prefabricated staircase
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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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/06—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall
- E04G13/062—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall for stairs or steps
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Abstract
The invention discloses a temporary supporting device for a prefabricated staircase. When the temporary prefabricated staircase supporting device works, the suspension part is matched with the supporting part to support the prefabricated staircase, and the suspension part and the supporting part can be matched with each other to move the prefabricated staircase so as to realize the installation and adjustment of the prefabricated staircase; after the prefabricated staircase is moved to a required position, the lifting part and the suspension part are fixed, and the installation and the support of the prefabricated staircase are completed. Above-mentioned interim strutting arrangement of prefabricated stair simple structure, the load of prefabricated stair is shared by supporting part and lift portion simultaneously for the prefabricated stair supports firmly, and owing to suspend in midair the portion and can move prefabricated stair on the horizontal direction, the removal and the rotation of prefabricated stair all directions can be realized in the cooperation of the interim strutting arrangement of a plurality of above-mentioned prefabricated stairs. In addition, the application and construction method of the temporary support device for the prefabricated staircase is simple to operate and convenient to construct.
Description
Technical Field
The invention relates to the field of construction of assembly type structural engineering, in particular to a temporary support device for a prefabricated staircase and an application construction method thereof.
Background
With the development of modern industrial technology, fabricated buildings are increasingly applied to construction engineering. The fabricated building features that a great amount of building parts are produced and processed in workshop, and the site assembling operation and decoration may be performed synchronously.
However, with the increasing of large-scale projects, the crossing and inserting operations of each operation unit are more frequent, and the difficulty of construction operation is often encountered, for example, the prefabricated stairway with an assembled structure is hoisted, the construction supporting and positioning are difficult, in addition, the support must be stable and stable in the installation process, the safety of the stairway passage is not affected, and the position of the prefabricated stairway is difficult to adjust after the installation. Prior art CN201710771329.1 discloses an interim strutting arrangement of prefabricated stair, including scaffold, lift portion and supporting part, lift portion sets up on the scaffold, and the supporting part is located between lift portion and the prefabricated stair, and the supporting part is including the first support piece, second support piece and the third support piece that connect gradually, and first support piece is connected with lift portion, and second support piece one end is connected with first support piece, and the other end is connected with third support piece, and third support piece is connected with prefabricated stair. Above-mentioned interim strutting arrangement of prefabricated stair simple structure, the load of prefabricated stair is passed to the scaffold frame by the supporting part through lift portion for the prefabricated stair supports firmly. However, the scaffold is often arranged on two sides of the position where the prefabricated staircase is installed, and a support structure is inconvenient to be directly arranged below the prefabricated staircase; when the plurality of supporting structures are matched for supporting, the supporting state of each supporting structure is not easy to judge; in addition, horizontal movement of the prefabricated staircase cannot be realized, and fine adjustment of installation cannot be matched.
Disclosure of Invention
Therefore, the temporary prefabricated staircase supporting device and the application construction method thereof are needed to solve the problem that supporting and positioning are difficult during hoisting of the prefabricated staircase.
The utility model provides a prefabricated staircase temporary support device for support prefabricated staircase, its characterized in that includes:
a main body fixed to a scaffold by a fixing member;
a lifting part arranged at the lower part of the main body part;
a support part located between the lifting part and the prefabricated staircase;
and a suspending part arranged on the upper part of the main body part.
In one embodiment, the support portion includes a first support member, a second support member and a third support member, which are connected in sequence, the first support member is connected to the lifting portion, one end of the second support member is connected to the first support member, the other end of the second support member is connected to the third support member, and the third support member is connected to the prefabricated staircase.
In one embodiment, the second support member is an elastic member.
In one embodiment, the device further comprises a first warning device and a second warning device, when the third support piece compresses the second support piece downwards to a certain distance, the first switch is triggered, and the first warning device is started; when the third supporting piece continues to compress the second supporting piece downwards for a certain distance, the second switch is triggered, the first warning device is closed, and the second warning device is opened.
In one embodiment, the warning device is an indicator light and/or a speaker.
In one embodiment, a sliding block is arranged on the outer side of the third supporting part, a sliding groove matched with the sliding block is fixed on the outer side of the first supporting part, and the first switch and the second switch are arranged in the sliding groove at intervals of a certain distance; when the third supporting piece compresses the second supporting piece downwards, the sliding block slides along the sliding groove to sequentially trigger the first switch and the second switch.
In one embodiment, the first switch and the second switch are arranged on the upper surface of the first support, the first spring and the second spring are arranged on the lower surface of the third support corresponding to the first switch and the second switch, the length of the first spring is longer than that of the second spring, and during the process that the third support compresses the second support downwards, the first spring firstly triggers the first switch, and then the second spring triggers the second switch.
In one embodiment, the alert circuit is connected to: one end of the first switch is connected with the positive electrode of the power supply, the other end of the first switch is divided into two paths, one path is connected with the first indicator light and then connected with the negative electrode of the power supply; the other path is connected with a second switch, then connected with a second indicator light, and then connected with the negative pole of the power supply.
In one embodiment, the third support supporting surface is arranged in parallel with the bottom surface of the prefabricated staircase.
In one embodiment, the suspension portion includes a radial arm, and an end of the radial arm is rotatably connected to the main body portion.
In one embodiment, the suspension includes a telescoping arm.
In one embodiment, the suspension part further comprises a suspension device.
In one embodiment, the suspension means comprises a winch, a pulley, a motor, or the like.
In one embodiment, the hanging part comprises a hook, and the hook is connected with an embedded part of the prefabricated staircase.
In one embodiment, the horizontal position of the hook is moved by telescoping the telescoping swing arm.
In one embodiment, the horizontal position of the hook is moved by a winch, cable, pulley, motor, etc. in cooperation.
In one embodiment, the main body is provided with a sliding groove, and the lower end of the lifting part is arranged in the sliding groove and can slide along the sliding groove.
In one embodiment, two supports of the prefabricated staircase temporary support device, which are positioned at the same height, are connected through a scissor support.
In one embodiment, the third support member is a steel plate.
In one embodiment, the first support member is a steel plate.
In one embodiment, the first support is connected to the lifting portion by a bolt.
In one embodiment, the lift is an oil cap.
The application and construction method of the temporary support device for the prefabricated staircase comprises the following steps:
fixing the main body part on a scaffold;
connecting the support part and the suspension part with the main body part respectively;
hoisting the prefabricated staircase to the supporting part, and connecting the prefabricated staircase with the suspension part;
and adjusting the supporting part and the suspension part to convey the prefabricated staircase to a preset position, and then fixing the lifting part and the suspension part to finish the installation of the prefabricated staircase.
When the temporary prefabricated staircase supporting device works, the suspension part is matched with the supporting part to support the prefabricated staircase, and the suspension part and the supporting part can be matched with each other to move the prefabricated staircase, so that the installation and adjustment of the prefabricated staircase are realized; after the prefabricated staircase is moved to a required position, the lifting part and the suspension part are fixed, and the installation and the support of the prefabricated staircase are completed. Above-mentioned interim strutting arrangement of prefabricated stair simple structure, the load of prefabricated stair is shared by supporting part and lift portion simultaneously for the prefabricated stair supports firmly, and owing to suspend in midair the portion and can move prefabricated stair on the horizontal direction, the removal and the rotation of prefabricated stair all directions can be realized in the cooperation of the interim strutting arrangement of a plurality of above-mentioned prefabricated stairs. In addition, the application and construction method of the temporary support device for the prefabricated staircase is simple to operate and convenient to construct.
Drawings
FIG. 1 is a schematic structural diagram of a temporary support device for prefabricated stairways according to an embodiment;
FIG. 2 is a schematic view of a prefabricated staircase temporary support device supporting a prefabricated staircase according to an embodiment;
fig. 3 is a side view of a prefabricated staircase according to an embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1, the temporary support device for prefabricated stairways of an embodiment includes a main body part 1, a lifting part 2, a support part 3, and a suspension part 4; the main body part 1 is fixed on a scaffold through a fixing component; a lifting part 2 provided on the extension part 12 below the main body 1; the support part 3 is positioned between the lifting part 2 and the prefabricated staircase; and a suspending part 4 provided on the upper part of the body part. The prefabricated staircase 10 is supported by the support part 3 and the suspension part 4.
As shown in fig. 2, the support portion 3 includes a first support member 31, a second support member 32 and a third support member 33 which are connected in sequence, the first support member 31 is connected to the lifting portion 2, one end of the second support member 32 is connected to the first support member 31, the other end of the second support member is connected to the third support member 33, and the third support member 33 is connected to the prefabricated staircase. The suspending part 4 includes a retractable arm 41, a cable 42 and a hook 43, and the upper part of the main body 1 is provided with a rotary shaft 11 rotatably connected to the suspending part 4.
As shown in fig. 3 and 4, in general, a plurality of prefabricated stairways 10 are included in a building structure, and the prefabricated stairways 10 cannot be supported and fixed by the structure itself due to the local absence of the prefabricated stairways 10 of the prefabricated concrete structure steel bar anchoring type. During the construction, the scaffold setting is in the position of structure disappearance, and after the installation is accomplished, the load that supporting part 3 and suspension portion 4 bore is transmitted for main part 1, then transmits the scaffold, and the structure of lower part is transmitted for to the scaffold layer by layer again, until transmitting ground.
Because the heights and the positions of the prefabricated stairways 10 to be hoisted of different buildings and different layers are possibly different, after the hoisted prefabricated stairways 10 are placed on the supporting parts 3, embedded parts connected with the hooks of the hoisting instruments on the prefabricated stairways 10 are connected with the hooks 43 of the hanging parts 4; the prefabricated staircase 2 is lifted to a set height by adopting the lifting part 2 and the suspension part 4, and the horizontal position of the prefabricated staircase 10 is adjusted by the extension and the rotation of the spiral arm 41 of the suspension part 4. In this embodiment, the lifting part 12 is an oil top, and the cable 42 of the oil top and the suspension part is used to lift the prefabricated staircase 2, so that the operation is easy and labor-saving.
As shown in fig. 1 and 2, the support part 3 serves to connect the lifting part 2 and the prefabricated staircase 10. In this embodiment, the first support 31 is a steel plate, and the first support 31 is connected to the lifting part 2 by bolts. On arranging the steel sheet in the top of oil top held in the palm, then adopt the bolt to fix steel sheet and top support, and then realize being connected of first support piece 31 and lifting unit 2. The detachable connection of the first support member 31 and the lifting portion 2 can be realized by adopting bolt connection, and the assembly and construction are facilitated.
In the present embodiment, the second support 32 includes a plurality of springs. As shown in fig. 1 and 2, the springs of the second support member 32 are connected to the first support member 31 and the third support member 33, respectively, and make the third support member 33 positioned on the second support member 32 form an inclined surface. The inclination angle of the supporting surface of the supporting piece 3 is matched with that of the prefabricated staircase; meanwhile, due to the elasticity of the second supporting piece 32, the prefabricated staircase can be better protected in the supporting process, and meanwhile, the position of the prefabricated staircase can be conveniently adjusted by matching with the hanging part 4.
Since the stairway will generally be at an angle to the horizontal, in this embodiment the third support member 33 is parallel to the bottom surface of the prefabricated stairway 10, as shown in figure 1. That is, the third support member 33 forms a slope, and the slope angle of the slope is the same as the slope angle of the prefabricated staircase 10, when the prefabricated staircase 10 is placed on the third support member 33, the third support member 33 is attached to the bottom surface of the prefabricated staircase 10, so that the connection between the third support member 33 and the prefabricated staircase 10 is a surface-to-surface connection, providing the maximum support for the prefabricated staircase 2.
Referring to fig. 1 and 2, the application and construction method of the temporary support device 1 for the prefabricated staircase includes the following steps:
the main body 1 is fixed to a scaffold. The accessible is prefabricated on main part 1 be convenient for with scaffold frame fixed connection's connecting elements (such as connect the clamp soon, joint groove, joint ring etc.), fast and firmly with main part 1 with scaffold frame fixed. The main body part and the scaffold can also be fixed by means of clamps, screws, iron wire bundling and the like.
The lifting part 2, the supporting part 3 and the suspending part 4 are connected to the main body part 1, and the respective components of the suspending part 4 are installed and adjusted, and the swing arm 41 is rotated about the swing shaft 11 so that the swing arm 41 of the suspending part 4 is positioned outside the space where the prefabricated staircase 10 is hoisted.
The prefabricated staircase 10 is hoisted to the supporting part 3 through an external hoisting apparatus, the swing arm 41 of the suspension part 4 is rotated, and the embedded part connected with the external hoisting apparatus on the prefabricated staircase 10 is changed into be connected with the lifting hook 43 of the suspension part 4.
The prefabricated staircase 10 is carried to a preset position by adjusting the lifting part 2 and the suspension part 4, and then the lifting part 2 and the suspension part 4 are fixed, so that the prefabricated staircase 10 is installed.
Above-mentioned prefabricated staircase temporary support device has connected prefabricated staircase 10 and provides the support for prefabricated staircase 10, has overcome and can't support and fixed problem through structure itself when prefabricated staircase 10 local loss, has guaranteed the safety and the quality of reinforcing bar anchor type prefabricated staircase 10 installation and construction. And, can be in the space narrow and small, when large-scale hoist and mount apparatus can't carry out accurate location installation with prefabricated stair, remove prefabricated stair, it is rotatory to make things convenient for install prefabricated stair rapidly. Above-mentioned interim strutting arrangement of prefabricated staircase simple structure, convenient to use supports the weight of prefabricated staircase through supporting part 3 and the cooperation of portion 4 of suspending in midair, and is more firm, safe. In addition, the application and construction method of the temporary support device for the prefabricated staircase is simple in steps and suitable for popularization and application.
Example 2
In this embodiment, a strip-shaped sliding block is disposed on the outer side of the third supporting member 33, and a sliding groove adapted to the sliding block is fixed on the outer side of the first supporting member; the upper end of the strip-shaped sliding block is hinged with the third supporting piece 33, and the lower end of the strip-shaped sliding block is inserted into the sliding groove. The first switch and the second switch are arranged in the sliding groove at intervals according to a specific distance; when the third supporting piece compresses the second supporting piece downwards, the sliding block slides along the sliding groove to sequentially trigger the first switch and the second switch. The first switch and the second switch can be buttons arranged on one side inside the sliding groove, and when the sliding block passes through, the sliding block extrudes the buttons to send out switch signals. Of course, the first switch and the second switch may be other types of switches that can be mechanically triggered or inductively triggered by the slider, which will not be described in detail herein.
One end of the first switch is connected with the positive electrode of the power supply, the other end of the first switch is divided into two paths, one path is connected with the first indicator light and then connected with the negative electrode of the power supply; the other path is connected with a second switch, then connected with a second indicator light, and then connected with the negative pole of the power supply.
When control suspend in midair 4 cooperation support portion 3 supports prefabricated staircase 10 or adjusts the position of prefabricated staircase 10, first pilot lamp and second pilot lamp can indicate the atress condition of support portion 3 makes things convenient for operating personnel to adjust and suspends portion 4 and lift portion 2 in midair, supports prefabricated staircase better or adjusts the position of prefabricated staircase 10 better, prevents that a plurality of prefabricated staircase temporary support device during collaborative work, and certain supporting portion atress undersize or too big and the emergence accident.
The plurality of strip-shaped sliding blocks are arranged along the outer side of the third supporting piece 33, when the warning device is triggered to give an alarm, the third supporting piece 33 can be ensured to be supported along a specific direction (along the direction of the sliding groove, namely vertically downwards) when the second supporting piece 32 is compressed, invalid support cannot be caused due to the deviation of the spring, and the stability and the safety of support are improved.
Example 3
In this embodiment, the difference from embodiment 1 is that the swing arm 41 of the suspending unit 4 is not retractable, the swing arm 41 is provided with a pulley structure, and the lifting and lowering of the hook and the movement in the direction of the swing arm 41 are adjusted by a plurality of cables, and the principle thereof is the same as that of the hook control of the hoisting machine in the related art, and will not be described in detail here.
Example 4
In this embodiment, the prefabricated staircase 10 is provided with an embedded part on the side surface, and the third supporting member 33 is connected with the prefabricated staircase 10 through the embedded part. In order to secure the stability of the prefabricated staircase 10 on the temporary support means, the prefabricated staircase 10 is fixed on the third support member 33. In this embodiment, the embedment is a sleeve and an anchor foot. The sleeve is a hollow tube, the bottom end of the tube is closed and is provided with an anchor foot. Bolts are then inserted into the sleeves to connect the prefabricated staircase 10 with the third supports 33.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a prefabricated staircase temporary support device for support prefabricated staircase, its characterized in that includes:
a main body fixed to a scaffold by a fixing member;
a lifting part arranged at the lower part of the main body part;
the supporting part is positioned between the lifting part and the prefabricated staircase and comprises three supporting pieces which are sequentially connected, and one of the three supporting pieces is an elastic piece;
and a suspending part arranged on the upper part of the main body part.
2. The prefabricated staircase temporary support device as claimed in claim 1, wherein the support part comprises a first support part, a second support part and a third support part which are connected in sequence, the first support part is connected with the elevating part, one end of the second support part is connected with the first support part, the other end of the second support part is connected with the third support part, and the third support part is connected with the prefabricated staircase.
3. The prefabricated staircase temporary support device of claim 2, wherein the second support member is a plurality of springs.
4. The prefabricated staircase temporary support device of claim 3, further comprising a first indicator light and a second indicator light, wherein a first switch is activated when a third support member compresses the second support member downward a distance, and wherein the first indicator light is illuminated; and when the third support continues to compress the second support downwards for a certain distance, a second switch is triggered, the first indication is extinguished, and the second indication lamp is lightened.
5. The prefabricated staircase temporary support device of claim 3, wherein the third support member support surface is disposed in parallel with the bottom surface of the prefabricated staircase.
6. The pre-fabricated staircase temporary support device of claim 1, wherein the suspension comprises a telescoping radial arm, the radial arm end being rotatably connected with the main body portion.
7. The prefabricated staircase temporary support device of claim 6, wherein the suspension further comprises a suspension device.
8. The precast stair temporary support device of claim 7, wherein the suspension portion comprises hooks connected with embedments of the precast stairs.
9. The prefabricated staircase temporary support device of claim 1, wherein two support parts provided at the same height are connected by a scissor support.
10. A construction method for applying the temporary supporting device for the prefabricated staircase according to any one of the claims 1 to 9, which comprises the following steps:
fixing the main body part on a scaffold;
connecting the support part and the suspension part with the main body part respectively;
hoisting the prefabricated staircase to the supporting part, and connecting the prefabricated staircase with the suspension part;
and adjusting the supporting part and the suspension part to convey the prefabricated staircase to a preset position, and then fixing the lifting part and the suspension part to finish the installation of the prefabricated staircase.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810762675.8A CN108868131B (en) | 2018-07-12 | 2018-07-12 | Temporary support device for prefabricated staircase and application construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810762675.8A CN108868131B (en) | 2018-07-12 | 2018-07-12 | Temporary support device for prefabricated staircase and application construction method thereof |
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| CN108868131A CN108868131A (en) | 2018-11-23 |
| CN108868131B true CN108868131B (en) | 2021-01-26 |
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| CN110656769A (en) * | 2019-09-29 | 2020-01-07 | 上海二十冶建设有限公司 | Stair inclined formwork supporting device and using method thereof |
| CN110952788B (en) * | 2019-12-13 | 2022-07-22 | 三一筑工科技股份有限公司 | Beam-slab auxiliary installation robot for assembly type hoisting |
| CN113321115B (en) * | 2021-05-19 | 2024-03-12 | 万达集团股份有限公司 | Special device for transporting hoisting mould |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1049699A (en) * | 1989-08-22 | 1991-03-06 | 钱泽民 | Safety display device for single hydraulic prop |
| US6786233B1 (en) * | 2001-02-23 | 2004-09-07 | Schwing America, Inc. | Boom utilizing composite material construction |
| CN204958299U (en) * | 2015-07-21 | 2016-01-13 | 袁蓓莎 | Fork truck with hoisting accessory |
| CN107489279A (en) * | 2017-08-31 | 2017-12-19 | 上海建工七建集团有限公司 | Precast stair supporting apparatus and its application construction method |
| CN107954306A (en) * | 2017-11-21 | 2018-04-24 | 上海建工五建集团有限公司 | Precast stair Lift-on/Lift-off System and hanging method |
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