CN214652983U - A hoisting structure for assembled stair - Google Patents
A hoisting structure for assembled stair Download PDFInfo
- Publication number
- CN214652983U CN214652983U CN202121163172.2U CN202121163172U CN214652983U CN 214652983 U CN214652983 U CN 214652983U CN 202121163172 U CN202121163172 U CN 202121163172U CN 214652983 U CN214652983 U CN 214652983U
- Authority
- CN
- China
- Prior art keywords
- hoisting
- prefabricated staircase
- staircase
- prefabricated
- wire rope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The application relates to a hoisting structure for an assembled stair, which comprises hoisting equipment, a steel wire rope, an extensible part and a connecting part, wherein the hoisting equipment is connected with the steel wire rope and the extensible part and is used for hoisting the steel wire rope and the extensible part; the end, far away from the hoisting equipment, of the steel wire rope and the end, far away from the hoisting equipment, of the telescopic piece are detachably connected to the prefabricated staircase through connecting pieces, and the telescopic piece is used for increasing or reducing the distance between a corresponding hoisting point of the prefabricated staircase and the hoisting equipment; this application is convenient for prefabricated staircase's alignment installation.
Description
Technical Field
The application relates to prefab installation field especially relates to a hoisting structure for assembled stair.
Background
At present, prefabricated staircases in the assembly type building industry generally adopt integral plate type solid staircases, and the staircases are heavy in weight, complex in construction and installation links, time-consuming and labor-consuming. And the construction mode of traditional assembled stair need dispose the tower crane that the lifting capacity is big, removes prefabricated stair to the mounted position through the tower crane, and the installation period is slow, causes injury such as high altitude fall, object strike easily to the workman.
The existing method adopting the convex beam divides a stair into two sections, and the two sections are respectively installed, so that the installation time is obvious, the tower crane leasing cost is greatly reduced, the occurrence frequency of site safety accidents is reduced after the weight is lightened, and the method is greatly helpful for site safety management; the prefabricated staircase is the diagonal member, when hoist and mount, needs to use the lifting rope to hoist prefabricated staircase to align with another prefabricated staircase that has installed and install and fix.
Aiming at the related technologies, the inventor thinks that the angle of the prefabricated staircase is required to be adjusted at any time according to the previous prefabricated staircase during hoisting to align, the adjustability is poor, and the prefabricated staircase is not convenient to align.
SUMMERY OF THE UTILITY MODEL
In order to facilitate the alignment installation of prefabricated staircase, this application provides a hoisting structure for assembled staircase.
The application provides a hoisting structure for assembled stair adopts following technical scheme:
a hoisting structure for an assembled stair comprises hoisting equipment, a steel wire rope, an extensible member and a connecting member, wherein the hoisting equipment is connected with the steel wire rope and the extensible member and is used for hoisting the steel wire rope and the extensible member; wire rope and extensible member are kept away from lifting device one end and are all passed through the connection can be dismantled on prefabricated stair to the connecting piece, the extensible member be used for increaseing or reduce prefabricated stair correspond the hoisting point with distance between the lifting device.
By adopting the technical scheme, when the prefabricated staircase is installed, the steel wire rope and the telescopic piece are connected to the prefabricated staircase through the connecting piece, the hoisting equipment is started, the hoisting equipment drives the prefabricated staircase to ascend through the steel wire rope and the telescopic piece and keep away from the ground, the telescopic piece is adjusted, the prefabricated staircase is integrally inclined, the stair surface is horizontal, then the prefabricated staircase is hoisted to the position above the position of the prefabricated staircase, the position of the prefabricated staircase is finely adjusted to be aligned, and then the prefabricated staircase is installed; the wire rope and the extensible member that set up will prefabricate stair lift through hoisting equipment, through the flexible of extensible member, increase or reduce the distance that prefabricate stair corresponds between hoisting point and the hoisting equipment, and then adjust the inclination of prefabricate stair, have reduced the rocking from top to bottom of prefabricate stair, reduce colliding with of prefabricate stair, the alignment installation of two prefabricate stairs of being convenient for has improved the installation effectiveness of prefabricate stair.
Optionally, the steel wire rope is arranged close to one end of the high span of the prefabricated staircase, and the expansion piece is arranged close to one end of the low span of the prefabricated staircase.
Through adopting above-mentioned technical scheme, make prefabricated staircase one end be less than the other end through the extensible member, be close to both ends setting, the stress point of dispersion prefabricated staircase along length direction for prefabricated staircase is more stable when hoist and mount.
Optionally, the number of the steel wire ropes is two, and the two sets of the telescopic pieces are respectively arranged close to four corners of the prefabricated staircase.
By adopting the technical scheme, lifting points are increased, the integral stress points of the prefabricated staircase are dispersed, the stability of the prefabricated staircase during lifting is further enhanced, the swinging of the prefabricated staircase in the lifting and adjusting processes is reduced, and the safety is improved.
Optionally, the connecting piece includes link, connecting bolt and set nut, has seted up the confession on the prefabricated staircase the hole for hoist that connecting bolt passed, connecting bolt stretches out prefabricated staircase roof one end and sets up to cyclic annular, and with the link is hung and is established the connection, set nut threaded connection is at the connecting bolt other end.
Through adopting above-mentioned technical scheme, link, connecting bolt and the set nut of setting can be fixed on prefabricated stair through connecting bolt and set nut's cooperation, through link connecting wire rope and connecting bolt, extensible member and connecting bolt, and then realize being connected dismantling of hoisting point, the be convenient for connected of lifting device and prefabricated stair.
Optionally, the connecting piece further comprises a gasket, the gasket is coaxially sleeved on the connecting bolt and arranged between the positioning nut and the bottom wall of the prefabricated staircase.
Through adopting above-mentioned technical scheme, the gasket of setting can increase with prefabricated staircase's area of contact, and then strengthens connecting bolt and prefabricated staircase's joint strength for be connected between the two more stable.
Optionally, the connecting piece includes connector link and connecting rod, has seted up the hole for hoist on the prefabricated stair, the connector link is including passing the montant that the hole for hoist set up and the buckle that sets firmly at the montant both ends, two the connector link is provided with one the connecting rod, the connecting rod sets up in prefabricated stair below to pass adjacent two the buckle sets up.
Through adopting above-mentioned technical scheme, the connector link and the connecting rod of setting connect adjacent two connector links through the connecting rod to support prefabricated staircase, pass prefabricated staircase through the montant and be connected with wire rope or extensible member, make prefabricated staircase fixed more firm, reduce prefabricated staircase and rock in width direction.
Optionally, the extensible member includes hand block, hand block one end with hoisting equipment connects, the other end with the connecting piece is connected.
Through adopting above-mentioned technical scheme, finely tune the holistic inclination of prefabricated stair through dragging hand block to reduced rocking from top to bottom, avoided taking place to collide with and make the unfilled corner fall the angle phenomenon and take place, easy operation, the controllability is strong.
Optionally, the extensible member includes cylinder and couple, cylinder one end sets up lifting device is last, the other end with the couple is articulated, just the couple with the connecting piece is connected.
Through adopting above-mentioned technical scheme, the cylinder and the couple of setting realize stretching out and drawing back through adjusting the cylinder, realize finely tuning the holistic inclination of prefabricated stair, reduce human labor, and the process is steady, labour saving and time saving.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the prefabricated staircase is lifted by the lifting equipment through the arranged steel wire rope and the telescopic piece, the distance between a corresponding lifting point of the prefabricated staircase and the lifting equipment is increased or reduced through the hand-operated hoist or the air cylinder, so that the inclination angle of the prefabricated staircase is adjusted, the vertical shaking of the prefabricated staircase is reduced, the collision of the prefabricated staircase is reduced, the two prefabricated staircases can be conveniently aligned and installed, and the installation efficiency of the prefabricated staircase is improved;
2. the four lifting points are arranged in a dispersed manner, so that the lifting points are increased, the stress points of the whole prefabricated staircase are dispersed, the stability of the prefabricated staircase during lifting is further enhanced, the shaking of the prefabricated staircase during lifting and adjusting is reduced, and the safety is improved;
3. the connecting piece is fixed on the prefabricated staircase through the matching of the connecting bolt and the positioning nut, the contact area between the connecting bolt and the prefabricated staircase is increased through the gasket, the connecting strength between the connecting bolt and the prefabricated staircase is further enhanced, the detachable connection of a lifting point is realized, and the connection between a lifting device and the prefabricated staircase is facilitated; connect two adjacent connector links through the connecting rod to support prefabricated staircase, pass prefabricated staircase through the montant and be connected with wire rope or extensible member, make the fixed of prefabricated staircase more firm, reduce prefabricated staircase and rock in width direction.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present application.
Fig. 2 is a schematic view of another perspective in embodiment 1 of the present application.
Fig. 3 is a schematic view of the overall structure of embodiment 2 of the present application.
Fig. 4 is a schematic view of another perspective in embodiment 2 of the present application.
Description of reference numerals: 1. hoisting equipment; 11. a hook; 2. a wire rope; 3. a telescoping member; 31. a lifting rope; 32. a chain block; 33. a cylinder; 34. hooking; 4. a connecting member; 41. hanging a ring; 42. a connecting bolt; 43. a gasket; 44. positioning a nut; 45. hoisting holes; 46. a connecting buckle; 461. a vertical rod; 462. a retaining ring; 47. a connecting rod; 48. a supporting strip; 5. and (6) prefabricating the stairs.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a hoisting structure for assembled stair.
Example 1
Referring to fig. 1, a hoisting structure for prefabricated staircase includes lifting device 1, wire rope 2, extensible member 3 and connecting piece 4, and lifting device 1 includes the tower crane (not shown in the figure) and articulates lifting hook 11 on the tower crane, and wire rope 2 and extensible member 3 distribute along prefabricated staircase 5 length direction, and wire rope 2 and 3 one end of extensible member are connected with lifting hook 11, and the other end passes through connecting piece 4 and can dismantle the connection on prefabricated staircase 5.
Referring to fig. 1, two steel wire ropes 2 are arranged perpendicular to the length direction of the prefabricated staircase 5, one end of each steel wire rope is hung on a lifting hook 11 and fixed through a buckle, the other end of each steel wire rope is connected with a connecting piece 4, and the steel wire ropes 2 are arranged close to one high-span end of the prefabricated staircase 5; wire rope 2 extensible member 3 is provided with two sets ofly, and extensible member 3 is close to prefabricated staircase 5 low-span one end and sets up, increases the hoisting point, improves the stability when prefabricated staircase 5 hoists. The hoisting point of wire rope 2 and extensible member 3 is close to 5 four corners settings of prefabricated stair respectively, and all sets up between first floor tread and last one deck tread for the avris of prefabricated stair 5 is kept away from to the hoisting point, and the intensity of avoiding the hoisting point department is low excessively, improves the security.
Referring to fig. 1 and 2, the connecting member 4 includes a hanging ring 41, a connecting bolt 42, a gasket 43 and a positioning nut 44, a hoisting hole 45 for the connecting bolt 42 to pass through is formed in the prefabricated staircase 5, one end of the connecting bolt 42 extending out of the top wall of the prefabricated staircase 5 is arranged in a ring shape and is connected with the hanging ring 41 in a hanging manner, the hanging ring 41 is arranged in a U shape, and two ends of the hanging ring 41 are fixed by bolts. The positioning nut 44 is in threaded connection with the other end of the connecting bolt 42; the gasket 43 is coaxially sleeved on the connecting bolt 42 and arranged between the positioning nut 44 and the bottom wall of the prefabricated staircase 5, and the diameter of the gasket 43 is larger than that of the hoisting hole 45.
With reference to fig. 1, the telescopic element 3 comprises two solutions, solution one: the telescopic part 3 comprises a lifting rope 31 and a manual hoist 32, one end of the lifting rope 31 is hung on the lifting hook 11 and is fixed through a buckle, the other end of the lifting rope is hung on a connecting hook of the manual hoist 32 and is fixed through a buckle, and the connecting hook at one end of the manual hoist 32 far away from the lifting rope 31 is hung on the hanging ring 41; the hand block 32 can also be replaced by an electric block.
Referring to fig. 3, scheme two: expansion part 3 includes lifting rope 31, cylinder 33 and couple 34, and cylinder 33 keeps away from piston rod one end welding and has the go-between, and lifting rope 31 one end articulates on lifting hook 11 to it is fixed through the buckle, and the other end is hung and is established on the go-between, and fixed through the buckle, and couple 34 articulates in the piston rod one end of cylinder 33, and the articulated shaft level, and couple 34 articulates on link 41.
The implementation principle of the embodiment 1 of the application is as follows: when the prefabricated staircase 5 is installed, the connecting bolt 42 penetrates through the hoisting hole 45, the gasket 43 is sleeved at one end of the connecting bolt 42 penetrating through the prefabricated staircase 5, the positioning nut 44 is in threaded connection with one end of the connecting bolt 42 penetrating through the prefabricated staircase 5 until the gasket 43 is abutted against the prefabricated staircase 5, the two steel wire ropes 2 are close to one end of the high span of the prefabricated staircase 5, and the hand-operated hoist 32 is close to one end of the low span of the prefabricated staircase 5 to complete hoisting and fixing of the prefabricated staircase 5. The tower crane is started, the tower crane drives the steel wire rope 2 and the telescopic piece 3 to ascend through the lifting hook 11, then the prefabricated staircase 5 is driven to ascend and is far away from the ground, the hand-operated hoist 32 is adjusted, the prefabricated staircase 5 is integrally inclined until the tread is horizontal, then the prefabricated staircase 5 is lifted to the position above the position of the prefabricated staircase, the position of the fine-adjustment prefabricated staircase 5 is aligned, and then the prefabricated staircase 5 is installed.
Example 2
Referring to fig. 3 and 4, the present embodiment is different from embodiment 1 in that the connecting member 4 includes a connecting buckle 46, a connecting rod 47 and a supporting bar 48, the connecting buckle 46 includes a vertical rod 461 and a retaining ring 462 integrally arranged, and the two retaining rings 462 are arranged at two ends of the vertical rod 461 respectively; the prefabricated staircase 5 is provided with a hoisting hole 45 for the connecting buckle 46 to pass through; connecting rod 47 corresponds two connector links 46 and is provided with one, and connecting rod 47 sets up along prefabricated staircase 5 width direction, and connecting rod 47 and support bar 48 parallel pass support bar 48 to with support bar 48 clearance fit, connecting rod 47 wears out support bar 48 both ends and passes the adjacent two buckles in prefabricated staircase 5 below respectively, and support bar 48 is square, and support bar 48 roof level and with prefabricated staircase 5 diapire butt, support prefabricated staircase 5. The telescopic part 3 can adopt any one of two schemes, the telescopic part 3 in the second scheme is shown in figure 1, and the hook 34 is hung on a retaining ring 462 above the prefabricated staircase 5.
The implementation principle of embodiment 2 of the present application is as follows: when the prefabricated staircase 5 is hoisted and fixed, one end of the connecting buckle 46, which is far away from the steel wire transverse or telescopic piece 3, penetrates through the hoisting hole 45 until the retaining ring 462 completely extends out of the hoisting hole 45, then the connecting rod 47 and the supporting bar 48 are placed below the prefabricated staircase 5, one end of the connecting rod 47 is adjusted to penetrate through one retaining ring 462, then the connecting rod 47 is adjusted to slide along the supporting bar 48, the other end of the connecting rod 47 penetrates through the other retaining ring 462, and the hoisting and fixing of the prefabricated staircase 5 are completed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a hoisting structure for assembled stair, includes lifting device (1) and wire rope (2), its characterized in that: the hoisting equipment (1) is connected with the steel wire rope (2) and the telescopic piece (3) and is used for hoisting the steel wire rope (2) and the telescopic piece (3); one ends, far away from the hoisting equipment (1), of the steel wire rope (2) and the telescopic piece (3) are connected to the prefabricated staircase (5) in a detachable mode through the connecting piece (4), and the telescopic piece (3) is used for increasing or reducing the distance between the corresponding hoisting point of the prefabricated staircase (5) and the hoisting equipment (1).
2. The hoisting structure for an assembled staircase according to claim 1, characterized in that: the steel wire rope (2) is close to one end of the prefabricated staircase (5) with a high span and the telescopic piece (3) is close to one end of the prefabricated staircase (5) with a low span.
3. The hoisting structure for an assembled staircase according to claim 2, characterized in that: the two steel wire ropes (2) are arranged, and the two groups of telescopic pieces (3) are arranged and are respectively close to four corners of the prefabricated staircase (5).
4. The hoisting structure for an assembled staircase according to claim 1, characterized in that: connecting piece (4) are including link (41), connecting bolt (42) and set nut (44), offer the confession on prefabricated staircase (5) hoisting hole (45) that connecting bolt (42) passed, connecting bolt (42) stretch out prefabricated staircase (5) roof one end and set up to cyclic annular, and with link (41) are hung and are established the connection, set nut (44) threaded connection is at the connecting bolt (42) other end.
5. The hoisting structure for an assembled staircase according to claim 4, characterized in that: the connecting piece (4) further comprises a gasket (43), the gasket (43) is coaxially sleeved on the connecting bolt (42) and arranged between the positioning nut (44) and the bottom wall of the prefabricated staircase (5).
6. The hoisting structure for an assembled staircase according to claim 1, characterized in that: connecting piece (4) have seted up hoisting hole (45) including connector link (46) and connecting rod (47), on prefabricated staircase (5), connector link (46) are including passing montant (461) that hoisting hole (45) set up and set firmly buckle (462) at montant (461) both ends, two connector link (46) are provided with one connecting rod (47), connecting rod (47) set up in prefabricated staircase (5) below to pass adjacent two buckle (462) set up.
7. The hoisting structure for an assembled staircase according to claim 1, characterized in that: the telescopic piece (3) comprises a manual hoist (32), one end of the manual hoist (32) is connected with the hoisting equipment (1), and the other end of the manual hoist (32) is connected with the connecting piece (4).
8. The hoisting structure for an assembled staircase according to claim 1, characterized in that: the telescopic piece (3) comprises a cylinder (33) and a hook (34), one end of the cylinder (33) is arranged on the hoisting equipment (1), the other end of the cylinder is hinged to the hook (34), and the hook (34) is connected with the connecting piece (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121163172.2U CN214652983U (en) | 2021-05-27 | 2021-05-27 | A hoisting structure for assembled stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121163172.2U CN214652983U (en) | 2021-05-27 | 2021-05-27 | A hoisting structure for assembled stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214652983U true CN214652983U (en) | 2021-11-09 |
Family
ID=78486901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121163172.2U Active CN214652983U (en) | 2021-05-27 | 2021-05-27 | A hoisting structure for assembled stair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214652983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114634093A (en) * | 2022-05-19 | 2022-06-17 | 中铁九局集团第四工程有限公司 | Hoist device of prefabricated staircase |
-
2021
- 2021-05-27 CN CN202121163172.2U patent/CN214652983U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114634093A (en) * | 2022-05-19 | 2022-06-17 | 中铁九局集团第四工程有限公司 | Hoist device of prefabricated staircase |
| WO2023001316A1 (en) * | 2022-05-19 | 2023-01-26 | 中铁九局集团第四工程有限公司 | Hoisting device for prefabricated staircase |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202000646U (en) | Self-lifting construction platform integrating vertical transportation device and mould frame | |
| CN105908761A (en) | Construction technology of hanging basket moving platform for high slope | |
| CN214652983U (en) | A hoisting structure for assembled stair | |
| CN111021749A (en) | Simple hoisting mechanism for bare concrete exterior wall cladding and construction method thereof | |
| CN217555581U (en) | Automatic unhooking device for steel structure multi-section columns | |
| CN210460016U (en) | Integrated form single power lift material platform | |
| CN112177309A (en) | Assembled protection platform used in building elevator shaft | |
| CN208166361U (en) | A kind of overlength light-weight metal roof boarding lifting attachment device | |
| CN214828568U (en) | Tower crane pedestrian passageway capable of being integrally lifted along with climbing frame | |
| CN113585860B (en) | Method for assembling and disassembling double-arm holding pole | |
| CN211691536U (en) | Simple lifting mechanism for bare concrete exterior wall cladding | |
| CN210886924U (en) | Maintenance platform in retractable double-cable-plane cable-stayed bridge tower stay cable area | |
| CN209778122U (en) | Jacking sleeve frame for mounting standard knot | |
| CN210529505U (en) | Circulation device is torn open in ann of wet seam template of bridge concatenation formula | |
| CN215974684U (en) | High-altitude portable tower dismantling derrick mast | |
| CN220319082U (en) | Hanging basket installed on inclined web member of inverted triangle pipe truss | |
| CN210857952U (en) | Novel attached lifting scaffold | |
| CN219710928U (en) | Steel construction operation basket | |
| CN113682975A (en) | High-altitude portable tower dismantling derrick mast | |
| CN218145297U (en) | Suspension type pier top platform | |
| CN218323799U (en) | Rapid assembly type high-altitude suspension multidirectional adjusting operation platform | |
| CN212954042U (en) | Lattice formula cable saddle hoist and mount portal | |
| CN219260998U (en) | Anchor cable stretching device | |
| CN212406038U (en) | Lower hanging construction platform module of high-altitude large-cantilever steel roof truss | |
| CN216949441U (en) | Steel ladder stand for assembly type building stairwell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |