CN218623014U - Prefabricated subtract heavy stair convenient to installation - Google Patents
Prefabricated subtract heavy stair convenient to installation Download PDFInfo
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- CN218623014U CN218623014U CN202221857698.5U CN202221857698U CN218623014U CN 218623014 U CN218623014 U CN 218623014U CN 202221857698 U CN202221857698 U CN 202221857698U CN 218623014 U CN218623014 U CN 218623014U
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- stair
- installation
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- handrail
- prefabricated
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Steps, Ramps, And Handrails (AREA)
Abstract
The utility model belongs to the technical field of prefabricated stair specifically are a prefabricated heavy stair that subtracts convenient to installation, the stair front and back end all seted up the mounting groove, the mounting groove in be connected with the handrail through positioner, stair top face and bottom face on equal interval be equipped with two sets of grout holes, stair on the interval be equipped with four rings of group.
Description
Technical Field
The utility model belongs to the technical field of prefabricated stair, specifically be a prefabricated heavy stair that subtracts convenient to installation.
Background
Because cast-in-place stairs have more defects, various technical schemes for industrially manufacturing stair products in factories are provided in recent years in the field so as to be directly installed on buildings for use;
current prefabricated heavy stair that subtracts generally pour through the mould, place preset position through the hoist, then install the handrail, in the engineering of installation handrail, generally with handrail and stair integration, the handrail maintenance of being not convenient for, and the installation is complicated, and handrail and stair integration process are complicated, the cost increase.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a prefabricated heavy stair that subtracts convenient to installation, solved current prefabricated heavy stair that subtracts and generally pour through the mould, place preset position through the hoist, then install the handrail, in the engineering of installation handrail, generally with handrail and stair integration, the handrail maintenance of being not convenient for, and the installation is complicated, handrail and stair integration process are complicated, the technical problem of cost-push.
The utility model discloses the scheme of taking does: the utility model provides a prefabricated subtract heavy stair convenient to installation, includes stair, its characterized in that, stair front and back end all seted up the mounting groove, the mounting groove in be connected with the handrail through positioner, stair top face and bottom face on all the interval be equipped with two sets of grout holes, stair on the interval be equipped with four rings of group.
Preferably, positioner include two sets of locating holes that the interval was established in the mounting groove, it is two sets of the equal sliding connection of locating hole have the reference column, reference column one end fixedly connected with fixed block, fixed block and stairwell be equipped with the cover and locate the positioning spring on the reference column, the handrail on be equipped with reference column complex locking hole, the mounting groove in the interval be equipped with several supplementary first mounting holes, the handrail on the interval be equipped with the second mounting hole that corresponds with first mounting hole, first mounting hole and second mounting hole in through bolted connection.
Preferably, a plurality of groups of lightening holes are arranged on the stairs at intervals, and PVC sleeves are arranged in the lightening holes.
The utility model has the advantages that:
1. the handrail is convenient to mount, the handrail can be dismounted through the fixing block, the handrail is convenient to replace, meanwhile, a primary positioning and fixing function is achieved when the handrail is mounted, and in the next step, the first mounting hole and the second mounting hole are fixed through the bolts, so that a good effect is achieved, and the handrail is convenient to position;
2. the PVC sleeve can reduce the weight of the stair, save the cost and reduce the burden of stair installation.
Drawings
Fig. 1 is one of perspective views of the present invention.
Fig. 2 is one of the perspective sectional views of the present invention.
Fig. 3 is a partially enlarged view a of fig. 2.
Fig. 4 is a second perspective view of the present invention.
Reference numerals: 1. a staircase; 2. mounting grooves; 3. a handrail; 4. grouting holes; 5. a hoisting ring; 6. positioning holes; 7. a positioning column; 8. a fixed block; 9. a positioning spring; 10. a locking hole; 11. a first mounting hole; 12. a second mounting hole; 13. and (7) lightening holes.
Detailed Description
The foregoing and other features, aspects and utilities of the present invention will be apparent from the following more particular description of the embodiments of the invention when read in conjunction with the accompanying drawings of fig. 1-4. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The embodiment I provides a prefabricated subtract heavy stair 1 convenient to installation, including stair 1, its characterized in that, stair 1 front and back end all seted up mounting groove 2, mounting groove 2 in be connected with handrail 3 through positioner, stair 1 top face and bottom face on all the interval be equipped with two sets of grout holes 4, stair 1 on the interval be equipped with four groups of rings 5.
In the second embodiment, on the basis of the first embodiment, the positioning device includes two sets of positioning holes 6 arranged in the mounting groove 2 at intervals, two sets of positioning holes 6 are connected with the positioning columns 7 in a sliding mode, one ends of the positioning columns 7 are fixedly connected with the fixing blocks 8, the positioning springs 9 sleeved on the positioning columns 7 are arranged between the fixing blocks 8 and the stairs 1, the handrail 3 is provided with locking holes 10 matched with the positioning columns 7, a plurality of sets of auxiliary first mounting holes 11 are arranged in the mounting groove 2 at intervals, the handrail 3 is provided with second mounting holes 12 corresponding to the first mounting holes 11 at intervals, and the first mounting holes 11 are connected with the second mounting holes 12 through bolts.
In the third embodiment, on the basis of the second embodiment, a plurality of groups of lightening holes 13 are arranged on the stair 1 at intervals, and PVC sleeves are arranged in the lightening holes 13.
When the embodiment is used, the stair installation process comprises the following steps: (1) The hoisting beam is provided with long and short steel wire ropes to ensure that the stair hoisting is in a normal use state, the low span is adjusted by a chain block to ensure that the hoisting beam and the step are in a horizontal state, and the stair hoisting steel wire ropes are perpendicular to the hoisting ropes so as to be convenient to take place; (2) the horizontal included angle a between the main sling and the hoisting beam is not smaller than 60 degrees; (3) When the stair boards are in place, the stair boards are vertically installed downwards from the top, the stair boards are upward on an operation layer, the sidelines of the stair boards are aligned with installation control lines on the stairs, and the stair boards need to be stopped stably and slowly released when put down, so that quick and violent releasing is strictly prohibited; (4) Finely adjusting the stair boards by using a crowbar after the basic position is in place until the position is correct, laying the stair boards flatly, paying attention to correct elevation, and unhooking after correction; correspond the grout hole of reserving on the stair with the registration bar that work platform reserved, place whole stair and finish after finishing and the correction, be connected with carrying out the grout of stair stiff end, then finish the installation of fixed (5) stair of stair slip end, install the handrail, when handrail and stair mounting groove position correspond, when the handrail removes a locating position, the reference column cooperates with the locking hole, play the fixed effect of preliminary location, going on to first mounting hole through the bolt, the second mounting hole is connected, make handrail and stair more stable. (6) The hanging ring is cut off to ensure the flatness of the stair under the protection of finished products, and the work of overall maintenance, beautification, spraying of anticorrosive paint and the like is carried out on the stair;
this mounting means, the simple safety of mounting means, the interval is equipped with several groups lightening hole on the stair, is equipped with the PVC sleeve pipe in the lightening hole, can play the effect that subtracts heavy, has solved current prefabricated lightening stair and has generally pour through the mould, places preset position through the hoist, then installs the handrail, in the engineering of installation handrail, generally with handrail and stair integration, the handrail maintenance of being not convenient for, and the installation is complicated, handrail and stair integration process is complicated, the technical problem of cost increase.
The above description is only for the purpose of illustrating the present invention, and it should be understood that the present invention is not limited to the above embodiments, and various modifications conforming to the spirit of the present invention are within the scope of the present invention.
Claims (3)
1. The utility model provides a prefabricated heavy stair (1) that subtracts convenient to installation, includes stair (1), its characterized in that, stair (1) front and back end all seted up mounting groove (2), mounting groove (2) in be connected with handrail (3) through positioner, stair (1) top face and bottom face on all the interval be equipped with two sets of grout holes (4), stair (1) go up the interval and be equipped with four rings (5).
2. The prefabricated weight-reducing stair (1) convenient to install according to claim 1, wherein the positioning device comprises two groups of positioning holes (6) arranged at intervals in the installation groove (2), the two groups of positioning holes (6) are connected with positioning columns (7) in a sliding mode, one ends of the positioning columns (7) are fixedly connected with fixing blocks (8), positioning springs (9) sleeved on the positioning columns (7) are arranged between the fixing blocks (8) and the stair (1), locking holes (10) matched with the positioning columns (7) are formed in the handrail (3), a plurality of groups of auxiliary first installation holes (11) are arranged at intervals in the installation groove (2), second installation holes (12) corresponding to the first installation holes (11) are arranged at intervals in the handrail (3), and the first installation holes (11) are connected with the second installation holes (12) through bolts.
3. Prefabricated weight-reducing staircase (1) for easy installation according to claim 2, characterised in that said staircase (1) is provided with several sets of weight-reducing holes (13) at intervals, said holes (13) being provided with PVC sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221857698.5U CN218623014U (en) | 2022-07-19 | 2022-07-19 | Prefabricated subtract heavy stair convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221857698.5U CN218623014U (en) | 2022-07-19 | 2022-07-19 | Prefabricated subtract heavy stair convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218623014U true CN218623014U (en) | 2023-03-14 |
Family
ID=85456654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221857698.5U Active CN218623014U (en) | 2022-07-19 | 2022-07-19 | Prefabricated subtract heavy stair convenient to installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218623014U (en) |
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2022
- 2022-07-19 CN CN202221857698.5U patent/CN218623014U/en active Active
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