CN214653038U - Hoist device of prefabricated stair - Google Patents
Hoist device of prefabricated stair Download PDFInfo
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- CN214653038U CN214653038U CN202120699203.XU CN202120699203U CN214653038U CN 214653038 U CN214653038 U CN 214653038U CN 202120699203 U CN202120699203 U CN 202120699203U CN 214653038 U CN214653038 U CN 214653038U
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- prefabricated staircase
- ring
- nail
- lifting
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Abstract
The utility model discloses a hoisting device of a prefabricated staircase, which comprises a hoisting ring (1), a hoisting ring connecting piece (2), a hoisting nail embedded piece (3) and a hoisting rope (6); one end of the lifting ring (1) is connected with one end of the lifting ring connecting piece (2), and the other end of the lifting ring (1) is connected with the hoisting rope (6); hang the top of nail and bury piece (3) and be formed with open-top's cavity form bowl box (33), hang the nail and bury piece (3) pre-buried in prefabricated staircase (4), be formed with in bowl box (33) with rings connecting piece (2) assorted connecting portion (34), make the other end of rings connecting piece (2) can be connected with prefabricated staircase (4) through connecting portion (34). The utility model discloses can improve the hoist and mount convenience and the security of prefabricated stair through pre-buried connecting portion and the rings connecting piece high-speed joint hoist and mount rope and prefabricated stair in prefabricated stair.
Description
Technical Field
The utility model relates to a construction auxiliary device especially relates to a hoist device of prefabricated stair.
Background
At present, the prefabricated assembly type technology in the building field is rapidly developed by the advantages of high construction efficiency, structural convenience, manufacturing simplification and the like, wherein the prefabricated staircase construction technology is widely popularized, and the hoisting requirement on the prefabricated staircase in construction is increased day by day. Most prefabricated staircase hoisting methods of the prior art adopt modes such as pre-buried sleeve, single and double ring bushing or shaped steel compensating beam, the hoist structure is more complicated, maneuverability is poor, and has great potential safety hazard in the work progress, the pre-buried sleeve mode needs operating personnel to screw all hoisting points in place, also can take place during actual operation connecting piece and sleeve and unfinished the condition of screwing up and leading to the stair to drop, brings great hidden danger and loss for building engineering.
Disclosure of Invention
An object of the utility model is to provide a hoist device of prefabricated stair can improve the hoist and mount convenience and the security of prefabricated stair through pre-buried connecting portion and the rings connecting piece high-speed joint hoist and mount rope and prefabricated stair in prefabricated stair.
The utility model discloses a realize like this:
a hoisting device for a prefabricated staircase comprises a hoisting ring, a hoisting ring connecting piece, a hoisting nail embedded piece and a hoisting rope; one end of the lifting ring is connected with the lifting ring connecting piece, and the other end of the lifting ring is connected with one end of the hoisting rope; hang the nail and bury the top of piece and be formed with open-top's cavity form bowl box, hang the nail and bury the piece pre-buried in prefabricated staircase, be formed with in the bowl box with rings connecting piece assorted connecting portion, make rings connecting piece's the other end can be connected with prefabricated staircase through connecting portion.
One end of the lifting ring is provided with a first sleeve ring, the sleeve is rotatably sleeved on the first sleeve ring, the sleeve can rotate relative to the lifting ring, and the lifting ring connecting piece is connected to the sleeve and can rotate synchronously with the sleeve.
The other end of the hanging ring is provided with a second lantern ring, and the hoisting rope is connected to the second lantern ring.
The bottom of the hanging nail embedded part is provided with a positioning ring, positioning ribs are embedded in the prefabricated staircase, and the positioning ribs are matched and run through the positioning ring.
The hanging nail embedding piece is provided with a plurality of anchor nails at intervals, and the plurality of anchor nails are positioned below the bowl box and embedded in the prefabricated staircase.
The plurality of hanging nail embedded parts are symmetrically embedded at the corners of the prefabricated staircase.
The distance between the hanging nail embedded part and the side edge of the prefabricated staircase is 200-350 mm.
The upper end face of the bowl box is flush with the surface of the prefabricated staircase, and the top of the connecting part is not higher than the upper end face of the bowl box.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model discloses owing to be equipped with the pre-buried piece that buries of hanging nail in prefabricated stair, the rings of being convenient for are hungry hoist and mount the high-speed joint and the dismantlement between the rope at prefabricated stair, and the connection reliability is high, ensures hoist and mount stability, security and the high efficiency of prefabricated stair.
2. The utility model discloses owing to be equipped with the bowl box, not only ensured the setting of connecting portion and connect the space, can also hide in prefabricated staircase through the grout material is sealed to be filled in after prefabricated staircase installation targets in place, do not influence the use of prefabricated staircase, do not influence the outward appearance of prefabricated staircase yet.
3. The utility model has the advantages of simple structure, safe easy-to-use, construction are convenient, the practicality is strong, with low costs, easily popularize and apply in each building structure's hoist and mount operation.
Drawings
Fig. 1 is a sectional view of the hoisting device of the prefabricated staircase of the utility model;
FIG. 2 is a front view of the hanging ring of the hoisting device of the prefabricated staircase of the utility model, which is connected with the hanging nail embedded part through the hanging ring connecting part;
FIG. 3 is a side view of the hanging ring of the lifting device of the prefabricated staircase;
fig. 4 is the utility model discloses prefabricated staircase's hoist device is at the pre-buried schematic diagram on prefabricated staircase.
In the figure, 1 a lifting ring, 11 a sleeve, 12 a first sleeve ring, 13 a second sleeve ring, 2 a lifting ring connecting piece, 3 a lifting nail embedded piece, 31 a positioning ring, 32 an anchor, 33 a bowl box, 34 a connecting part, 4 prefabricated stairs, 5 a positioning rib and 6 a lifting rope.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1 to 3, a lifting device for a prefabricated staircase comprises a lifting ring 1, a lifting ring connecting piece 2, a lifting nail embedded piece 3 and a lifting rope 6; one end of the lifting ring 1 is connected with one end of the lifting ring connecting piece 2, and the other end of the lifting ring 1 is connected with the hoisting rope 6; hang the top of nail embedded 3 and be formed with open-top's cavity form bowl box 33, hang the nail embedded 3 pre-buried in prefabricated staircase 4, be formed with in the bowl box 33 with rings connecting piece 2 assorted connecting portion 34, make rings connecting piece 2's the other end can be connected with prefabricated staircase 4 through connecting portion 34. The lifting ring 1, the lifting ring connecting piece 2 and the lifting nail embedded piece 3 can be made of 20 # steel and have good strength and load-carrying performance. The hoisting ring connecting piece 2 and the connecting part 34 are convenient and reliable to disassemble and assemble.
One end of the lifting ring 1 is provided with a first lantern ring 12, a sleeve 11 is rotatably sleeved on the first lantern ring 12, the sleeve 11 can rotate relative to the lifting ring 1, the lifting ring connecting piece 2 is connected to the sleeve 11 and can rotate synchronously with the sleeve 11, and the angle of the lifting rope 6 is adjusted conveniently during lifting.
The other end of rings 1 be formed with the second lantern ring 13, hoist and mount rope 6 is connected on second lantern ring 13, the connection of hoist and mount rope 6 of being convenient for, and can rotate relatively between hoist and mount rope 6 and rings 1, ensure the angle modulation of hoist and mount rope 6 when hoist and mount.
The bottom of the hanging nail embedded part 3 is provided with a positioning ring 31, a positioning rib 5 is embedded in the prefabricated staircase 4, and the positioning rib 5 is matched with and penetrates through the positioning ring 31. The embedded position precision of the hanging nail embedded part 3 can be improved through the insertion of the positioning ring 31 and the positioning rib 5, and the embedded reliability of the hanging nail embedded part 3 is ensured. The positioning ribs 5 can be embedded into the prefabricated staircase 4 by adopting extra reinforcing steel bars, the original reinforcing steel bars of a reinforcing steel bar framework in the prefabricated staircase 4 can also be adopted, and the positioning rings 31 are matched with the positioning ribs 5 in size.
Hang nail and bury piece 3 on the interval be formed with a plurality of anchor 32, a plurality of anchor 32 is located the below of bowl box 33 and pre-buried in prefabricated staircase 4, can improve the pre-buried reliability of hanging nail and bury piece 3 in prefabricated staircase 4, hang nail and bury piece 3 and break away from with prefabricated staircase 4 when guaranteeing to hoist.
Referring to fig. 4, a plurality of the hanging nail embedded parts 3 are symmetrically embedded at the corners of the prefabricated staircase 4, so that the stress of each hoisting point of the prefabricated staircase 4 is ensured to be uniform during hoisting, and the hoisting stability and safety of the prefabricated staircase 4 are ensured.
The distance between the hanging nail embedded part 3 and the side edge of the prefabricated staircase 4 is 200-350mm, so that the damage caused by overlarge stress on the side edge of the prefabricated staircase 4 is avoided.
The up end of bowl box 33 flush with the surface of prefabricated staircase 4, the top of connecting portion 34 is not higher than the up end of bowl box 33, after prefabricated staircase 4 installed in place, bowl box 33 was filled to accessible concrete, hides connecting portion 34, makes prefabricated staircase 4 level and smooth, pleasing to the eye in surface.
The utility model discloses a use method is:
in the prefabrication process of the prefabricated staircase 4, two C25 positioning ribs 5 are embedded at the top and the bottom of the prefabricated staircase 4, four hanging nail embedded parts 3 are embedded at the two ends of the top and the two ends of the bottom of the prefabricated staircase 4, and the two ends of the two positioning ribs 5 respectively penetrate through the positioning rings 31 of the four hanging nail embedded parts 3, so that the accurate embedded positions of the hanging nail embedded parts 3 are ensured. Every hangs nail and buries piece 3 and increase area of contact through setting up a plurality of anchor nail 32, ensures the pre-buried reliability in prefabricated staircase 4, hangs nail and buries piece 3 and drops from prefabricated staircase 4 when avoiding hoist and mount. Hang nail and bury piece 3 and expose connecting portion 34 prefabricated staircase 4 and reserve sufficient connection space through bowl box 33 when pre-buried, make rings 1 can match the lock joint on connecting portion 34 through rings connecting piece 2, rings connecting piece 2 can adopt lower extreme open-ended shape structure of falling C, connecting portion 34 can adopt T shape structure, ensure rings connecting piece 2 and connecting portion 34's lock joint reliability, also can adopt connecting pieces such as bolt, hasp to further lock between rings connecting piece 2 and connecting portion 34, ensure the safety of hoist and mount operation.
The hoisting ropes 6 can adopt steel wire ropes, one ends of the four hoisting ropes 6 are connected to the second lantern ring 13 of the hoisting ring 1, and the other ends of the four hoisting ropes 6 are connected to hoisting equipment, so that the prefabricated staircase 4 can be hoisted through the hoisting equipment. The prefabricated staircase 4 carries out angle control and regulation at the in-process accessible hand block of hoist and mount to satisfy prefabricated staircase 4's hoist and mount angle requirement, make between prefabricated staircase 4 tread preformed hole and the ground preformed anchor head coincide each other and the plane displacement deviation is no longer than 20mm, ensure that the installation of prefabricated staircase 4 is fixed. After the prefabricated staircase 4 is hoisted in place and installed and fixed, the hanging ring connecting piece 2 is separated from the connecting part 34, the bowl box 33 is filled with C40-grade CGM grouting material in a sealing mode, the hanging nail embedded piece 3 is completely hidden in the prefabricated staircase 4, the surface of the prefabricated staircase 4 is flat, and the appearance and the use of the prefabricated staircase 4 are not affected.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides a hoist device of prefabricated staircase, characterized by: comprises a lifting ring (1), a lifting ring connecting piece (2), a lifting nail embedded piece (3) and a lifting rope (6); one end of the lifting ring (1) is connected with one end of the lifting ring connecting piece (2), and the other end of the lifting ring (1) is connected with the hoisting rope (6); hang the top of nail and bury piece (3) and be formed with open-top's cavity form bowl box (33), hang the nail and bury piece (3) pre-buried in prefabricated staircase (4), be formed with in bowl box (33) with rings connecting piece (2) assorted connecting portion (34), make the other end of rings connecting piece (2) can be connected with prefabricated staircase (4) through connecting portion (34).
2. The hoist device of prefabricated staircase according to claim 1, characterized in that: one end of the lifting ring (1) is provided with a first sleeve ring (12), the sleeve (11) is rotatably sleeved on the first sleeve ring (12), the sleeve (11) can rotate relative to the lifting ring (1), and the lifting ring connecting piece (2) is connected to the sleeve (11) and can rotate synchronously with the sleeve (11).
3. The hoist device of prefabricated staircase according to claim 1, characterized in that: the other end of the hanging ring (1) is provided with a second lantern ring (13), and the hoisting rope (6) is connected to the second lantern ring (13).
4. The hoist device of prefabricated staircase according to claim 1, characterized in that: hang the bottom of nail embedded part (3) and be formed with holding ring (31), pre-buried location muscle (5) in prefabricated staircase (4), location muscle (5) match runs through holding ring (31).
5. The prefabricated staircase lifting device as claimed in claim 1 or 4, wherein: hang and be formed with a plurality of anchor nail (32) on nail embedded spare (3) at the interval, a plurality of anchor nail (32) are located the below of bowl box (33) and pre-buried in prefabricated staircase (4).
6. The prefabricated staircase lifting device as claimed in claim 1 or 4, wherein: the hanging nail embedded pieces (3) are symmetrically embedded at the corners of the prefabricated staircase (4).
7. The prefabricated staircase hoisting device of claim 6, wherein: the distance between the hanging nail embedded part (3) and the side edge of the prefabricated staircase (4) is 200-350 mm.
8. The hoist device of prefabricated staircase according to claim 1, characterized in that: the upper end surface of the bowl box (33) is flush with the surface of the prefabricated staircase (4), and the top of the connecting part (34) is not higher than the upper end surface of the bowl box (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120699203.XU CN214653038U (en) | 2021-04-07 | 2021-04-07 | Hoist device of prefabricated stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120699203.XU CN214653038U (en) | 2021-04-07 | 2021-04-07 | Hoist device of prefabricated stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214653038U true CN214653038U (en) | 2021-11-09 |
Family
ID=78459571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120699203.XU Active CN214653038U (en) | 2021-04-07 | 2021-04-07 | Hoist device of prefabricated stair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214653038U (en) |
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2021
- 2021-04-07 CN CN202120699203.XU patent/CN214653038U/en active Active
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