Spiral stair mounting device under space limited working condition
By using components such as transfer platforms, control rollers and hoisting spools under space limitations, intelligent positioning and hoisting of steel structure spiral stairs is realized, solving the problem of difficult to ensure installation accuracy in traditional methods and improving installation efficiency and accuracy.
Patent Information
- Application Number
- CN202422056821.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-23
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-08-23
AI Technical Summary
Traditional steel structure stairs cannot be lifted under space limitations, and it is difficult to ensure accuracy by relying on manual installation.
The device including a transfer platform, a control roller, a lifting spool and a laser rangefinder is adopted. Through the combination of the support platform, auxiliary lifting rack and lifting structure, the intelligent positioning and lifting of the spiral staircase is realized.
It realizes efficient and accurate installation of spiral stairs in a narrow space, solving the problem of difficult control of work surface limitations and positioning accuracy.
Smart Images

Figure CN223061963U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of prefabricated steel structure buildings, in particular to a rotary staircase installation device under the condition of limited space. Background Technique
[0002] With the rapid development of the steel structure construction industry, more and more commercial, industrial and civil buildings, etc. adopt steel structure buildings. Among them, the steel structure rotary staircase has been widely used in many fields due to its unique design and excellent performance. This kind of staircase is not only beautiful and generous, but also has a stable structure, and can meet the needs of various places. Whether it is a commercial space, a residence or a public building, the steel structure rotary staircase can add a touch of elegance and taste to the space with its unique charm. At the same time, due to its unique structural design, the angle and size need to be accurately controlled during the installation process. If there are deviations during the process, it will greatly affect its use effect and safety. In order to ensure the installation accuracy of the steel structure rotary staircase, a precise installation construction method for the steel structure rotary staircase under the condition of limited space is selected.
[0003] The existing disadvantages are as follows:
[0004] First, for traditional steel structure staircases, there is sufficient installation working surface, and the problem that the working surface is narrow, the crane cannot enter, and hoisting operations cannot be carried out is not considered;
[0005] Second, the positioning and adjustment of traditional steel structure staircases mainly rely on manual hoisting operations by workers, and the installation accuracy depends on the operation quality of workers, and the accuracy cannot be guaranteed. Content of the Utility Model
[0006] The purpose of the utility model is to provide a rotary staircase installation device under the condition of limited space to solve the problems put forward in the above background technique.
[0007] To achieve the above purpose, the utility model provides the following technical solution: a rotary staircase installation device under the condition of limited space, including:
[0008] A support platform arranged on the lower plane, which includes a transfer platform for carrying the rotary staircase;
[0009] An auxiliary hoisting frame arranged on the middle plane, which includes regulating rollers for moving and regulating the hoisting direction of the rotary staircase;
[0010] A hoisting structure arranged on the upper plane, which includes a hoisting spool for cooperating with the rest of the structures of the hoisting structure to hoist the rotary staircase.
[0011] Preferably, in addition to the transfer platform, the support platform further includes: a support frame disposed on the lower plane, a platform track provided on the support frame, the platform track being connected to the transfer platform, and the transfer platform being controlled by a platform power controller disposed on the support frame.
[0012] Preferably, there are at least two platform tracks, and platform first limit blocks are provided on all the platform tracks for limiting the transfer platform.
[0013] Preferably, on the platform track, a hydraulic device is provided in the opposite direction of the connected first limit block, and the hydraulic device is controlled by a hydraulic control valve.
[0014] Preferably, in addition to the hoisting spool, the hoisting structure further includes a positioning embedment provided on the upper plane for connecting the remaining structures of the hoisting structure, on which a hoisting driving device is provided, and a second laser rangefinder is provided on the hoisting driving device.
[0015] Preferably, the hoisting driving device is connected to the hoisting spool, and a hook and a buckle are provided on the hoisting spool.
[0016] Preferably, in addition to the regulating roller, the auxiliary hoisting frame further includes a bracket control machine disposed on the middle plane, on which a first laser rangefinder and a bracket track are provided, and a second limit block is provided on the bracket track.
[0017] Preferably, a hoisting bracket is provided on the bracket track, in which a hanger track is provided, the hanger track is connected to the regulating roller, and an auxiliary hanger is provided on the regulating roller for assisting in regulating the position of the spiral staircase.
[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows: for the spiral staircase installation device under the condition of limited space, the utility model can make the installation and positioning of the spiral staircase intelligent, the operation process of the utility model is simple, the efficiency and precision are high, and the problems such as the limitation of the operation surface and the difficulty in controlling the positioning precision in the original technology are solved. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic top view of the installation of an embodiment of the present utility model;
[0020] Figure 2 It is a schematic front view of the installation of an embodiment of the present utility model;
[0021] Figure 3 It is a schematic front view of the hoisting of an embodiment of the present utility model;
[0022] Figure 4 It is a schematic diagram of the support platform of an embodiment of the present utility model;
[0023] Figure 5 Schematic diagram of an auxiliary hoisting frame according to an embodiment of the present utility model;
[0024] Figure 6 Schematic diagram of a hoisting structure according to an embodiment of the present utility model.
[0025] In the figure:
[0026] 1, support platform; 2, auxiliary hoisting frame; 3, hoisting structure
[0027] 11, first limit block; 12, platform track; 13, transfer platform
[0028] 14, platform power controller; 15, support frame; 16, hydraulic device
[0029] 17, hydraulic control valve; 21, hoisting bracket; 22, regulating roller
[0030] 23, hanger track; 24, auxiliary hanger; 25, second limit block
[0031] 26, bracket control machine; 27, bracket track; 28, first laser rangefinder
[0032] 31, positioning embedment; 32, hoisting drive device; 33, hoisting spool
[0033] 34, hook; 35, buckle; 36, second laser rangefinder Detailed implementation manners
[0034] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0035] Such as Figure 1-3As shown in the figure, the present utility model provides a technical solution: a rotating staircase installation device under space - limited working conditions, including: a support platform 1 arranged on the lower plane. The rotating platform 1 is arranged at the opening, half indoors and half outdoors. The support platform 1 is mainly used to transport the rotating staircase indoors. It includes a transfer platform 13 which is used to carry the rotating staircase. An auxiliary hoisting frame 2 is arranged on the middle plane. The auxiliary hoisting frame 2 is used to adjust the rotation direction of the rotating staircase after hoisting, so as to achieve the effect of accurate positioning. It includes a control roller 22 which is used to move and control the hoisting direction of the rotating staircase. The control roller 22 achieves the adjustment effect through rotation. A hoisting structure 3 is arranged on the upper plane. The hoisting structure 3 is used to hoist the rotating staircase to the specified position, so as to connect the two - end staircases. It includes a hoisting spool 33 which is used to cooperate with the other structures of the hoisting structure 3 to hoist the rotating staircase.
[0036] As Figure 4 As shown in the figure, in addition to the transfer platform 13, the support platform 1 further includes: a support frame 15 arranged on the lower plane. The support frame 15 is arranged outdoors at the opening and is used to support one end of the platform track 12. The platform track 12 is arranged on the support frame 15. There are two platform tracks 12. The platform tracks 12 are used to carry the transfer platform 13 and are responsible for carrying the transfer platform 13 to move on the platform tracks 12. The platform tracks 12 are connected to the transfer platform 13. The transfer platform 13 is used to carry the rotating staircase and move it indoors. The transfer platform 13 is controlled by a platform power controller 14 arranged on the support frame 15. The platform power controller 14 and the transfer platform 13 move horizontally on the platform tracks 12. The platform power controller 14 can not only drive the movement of the transfer platform 13, but also control the reverse movement of the transfer platform 13, as well as start and stop. There are at least two platform tracks 12. The two platform tracks 12 can stably support the transfer platform 13. Platform first limit blocks 11 are arranged on all the platform tracks 12 to limit the transfer platform 13 and prevent the transfer platform 13 from detaching from the platform tracks 12 during movement. On the platform tracks 12, a hydraulic device 16 is arranged in the opposite direction of the connected first limit block 11. The hydraulic device 16 extends downward under the control of a hydraulic control valve 17, so as to support the platform track 12 in a narrow indoor position, facilitating the support effect in a narrow space. The hydraulic device 16 is controlled by the hydraulic control valve 17. The hydraulic control valve 17 is used to control the support and retraction of the hydraulic device 16, facilitating placement and recovery. The support frame 15 and the hydraulic device 16 support the platform track 12 and ensure the horizontality of the platform track 12, which is manually leveled through the hydraulic control valve 17.
[0037] As Figure 5As shown in the figure, in addition to the regulating roller 22, the auxiliary lifting frame 2 further includes a support control machine 26 disposed in the middle plane. The support control machine 26 is used to control the drive of the lifting support 21 to ensure that the lifting support 21 can move horizontally on the support track 27, so that the lifting support 21 can move on the support track 27. The lifting support 21 is used to carry the hanger track 23 and ensure connection with the regulating roller 22. It is provided with a first laser rangefinder 28 and the support track 27. The first laser rangefinder 28 is used to observe the distance data of the lifting structure 3 during lifting. By inputting the three-dimensional positioning data into the auxiliary hanger 24, the first laser rangefinder 28 is used to position the rotating staircase. A second limit block 25 is provided on the support track 27. The second limit block 25 is used to limit the lifting support 21 to prevent the lifting support 21 from disengaging during movement on the support track 27. The lifting support 21 is provided on the support track 27. The lifting support 21 is used to carry the hanger track 23 so that the regulating roller 22 can rotate and move thereon. The hanger track 23 is provided therein. The hanger track 23 meshes with the regulating roller 22 to support the regulating roller 22 to rotate and move on the hanger track 23. The hanger track 23 is connected to the regulating roller 22 for lifting the regulating roller 22. The regulating roller 22 is provided with an auxiliary hanger 24. The auxiliary hanger 24 is used to connect with the ear on the rotating staircase. During the lifting of the rotating staircase by the lifting structure 3, the rotating staircase is rotated and adjusted to ensure its positioning during lifting, which is used to assist in regulating the position of the rotating staircase, so as to achieve the effect of positioning it during installation.
[0038] As Figure 6 As shown in the figure, in addition to the lifting spool 33, the lifting structure 3 further includes a lifting spool 33 which is used to cooperate with the hook 34 and the buckle 35 to connect the ear of the rotating staircase, lift the rotating staircase, and hoist it to the position where the rotating staircase needs to be installed. The positioning embedment 31 is arranged on the upper plane. The positioning embedment 31 is used to fix the entire lifting structure 3 on the upper plane of the floor and connect the remaining structures of the lifting structure 3. It is provided with a lifting drive device 32. The lifting drive device 32 is used to control the rotation of the lifting spool 33, so as to traction the hook 34 and the buckle 35 through the towing rope, thereby hoisting the rotating staircase. The second laser rangefinder 36 is provided on the lifting drive device 32. The second laser rangefinder 36 is used to determine the overall spatial position positioning of the lifting structure 3 to ensure the lifting accuracy. The lifting drive device 32 is connected to the lifting spool 33. The lifting drive device 32 is used to control the drive of the lifting spool 33, so as to achieve the effect of traction on the hook 34 and the buckle 35. The hook 34 and the buckle 35 are provided on the lifting spool 33. The buckle 35 is connected to the hook 34. The buckle 35 is used to prevent the situation of unhooking during the hoisting of the rotating staircase.
[0039] As described above, this embodiment is a rotary staircase installation device under space - limited working conditions, including: a support platform 1 disposed on the lower plane, which includes a transfer platform 13 for carrying the rotary staircase. In addition to the transfer platform 13, the support platform 1 further includes: a support frame 15 disposed on the lower plane, on which a platform track 12 is provided. The platform track 12 is connected to the transfer platform 13. The transfer platform 13 is controlled by a platform power controller 14 disposed on the support frame 15. There are at least two platform tracks 12, and platform first limit blocks 11 are provided on all the platform tracks 12 for limiting the transfer platform 13. On the platform track 12, a hydraulic actuator 16 is provided in the opposite direction of the connected first limit block 11, and the hydraulic actuator 16 is controlled by a hydraulic control valve 17.
[0040] Support the support frame 15 outside the hole, and then control the hydraulic actuator 16 through the hydraulic control valve 17. The support frame 15 and the hydraulic actuator 16 support the platform track 12 and ensure the level of the platform track 12. Manually level it through the hydraulic control valve 17. In the narrow space inside the building, use the hydraulic actuator 16 to support the platform track 12 without manual installation. Then, set the rotary staircase on the support transfer platform 13, and use the platform power controller 14 to control the support transfer platform 13 to move into the hole along the platform track 12 to achieve the effect of carrying the rotary staircase into the hole.
[0041] As described above, this embodiment is a rotary staircase installation device under space - limited working conditions, including: an auxiliary hoisting frame 2 disposed on the middle plane, which includes a regulating roller 22 for moving and regulating the hoisting direction of the rotary staircase. In addition to the regulating roller 22, the auxiliary hoisting frame 2 further includes a bracket control machine 26 disposed on the middle plane, on which a first laser rangefinder 28 and a bracket track 27 are provided. A second limit block 25 is provided on the bracket track 27, and a hoisting bracket 21 is provided on the bracket track 27, in which a hoist track 23 is provided. The hoist track 23 is connected to the regulating roller 22, and an auxiliary hoist 24 is provided on the regulating roller 22 for assisting in regulating the position of the rotary staircase.
[0042] After the rotary staircase is hoisted, the first laser rangefinder 28 is used to observe the distance data of the hoisting structure 3 during hoisting. By inputting the three - dimensional positioning data into the hoisting precision auxiliary control host of the auxiliary hoist 24 and combining it with the positioning data of the first laser rangefinder 28, the overall hoisting precision is controlled. Then, the bracket control machine 26 controls the hoisting bracket 21 to move horizontally on the bracket track 27, and the second limit block 25 prevents the hoisting bracket 21 from derailing.
[0043] As described above, in this embodiment, a rotating staircase installation device under space-limited working conditions includes: a hoisting structure 3 disposed on the upper plane, which includes a hoisting spool 33. The hoisting spool 33 is used to cooperate with the rest of the structures of the hoisting structure 3 to hoist the rotating staircase. In addition to the hoisting spool 33, the hoisting structure 3 further includes a positioning embedment 31 disposed on the upper plane for connecting the rest of the structures of the hoisting structure 3. A hoisting driving device 32 is provided thereon, and a second laser rangefinder 36 is provided on the hoisting driving device 32. The hoisting driving device 32 is connected to the hoisting spool 33, and a hook 34 and a buckle 35 are provided on the hoisting spool 33.
[0044] First, fix the positioning embedment 31 on the upper layer of the roof. After the hoisting is completed, cut the hoisting ring without affecting the on-site floor slab to prevent the temporary addition of hoisting points and the temporary drilling of holes in the floor slab. Connect the hoisting driving device 32 to the positioning embedment 31 as a temporary hoisting point. The hoisting driving device 32 controls the lifting and lowering of the hoisting spool 33, and the hoisting spool 33 hoists the rotating staircase. The hook 34 is equipped with a buckle 35 to prevent the rotating staircase from unhooking during hoisting.
[0045] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A rotary staircase installation device under space-constrained working conditions, characterized in that, Comprising: A support platform disposed on the lower plane, which includes a transfer platform for carrying the spiral staircase; An auxiliary hoisting frame disposed on the middle plane, which includes a regulating roller for moving and regulating the hoisting direction of the spiral staircase; A hoisting structure disposed on the upper plane, which includes a hoisting spool for cooperating with the remaining structures of the hoisting structure to hoist the spiral staircase.
2. The rotary staircase installation device under a space-constrained working condition according to claim 1, characterized in that: In addition to the transfer platform, the support platform further includes a support frame disposed on the lower plane, on which a platform track is provided. The platform track is connected to the transfer platform, and the transfer platform is controlled by a platform power controller disposed on the support frame.
3. The rotary staircase installation device under the working conditions with limited space according to claim 2, characterized in that: There are at least two platform tracks, and platform first limit blocks are provided on all the platform tracks for limiting the transfer platform.
4. A rotary staircase installation device under space-constrained working conditions according to claim 3, characterized in that: On the platform track, a hydraulic device is provided in the opposite direction of the connected first limit block, and the hydraulic device is controlled by a hydraulic control valve.
5. A rotary staircase installation device under a space-constrained working condition according to claim 1 or 2, characterized in that: In addition to the hoisting spool, the hoisting structure further includes a positioning embedment disposed on the upper plane for connecting the remaining structures of the hoisting structure, on which a hoisting driving device is provided, and a second laser rangefinder is provided on the hoisting driving device.
6. A rotary staircase installation device under a space-constrained working condition according to claim 5, characterized in that: The hoisting driving device is connected to the hoisting spool, and a hook and a buckle are provided on the hoisting spool.
7. A rotary staircase installation device under space-constrained working conditions according to claim 5, characterized in that: In addition to the regulating roller, the auxiliary hoisting frame further includes a bracket control machine disposed on the middle plane, on which a first laser rangefinder and a bracket track are provided, and a second limit block is provided on the bracket track.
8. The rotary staircase installation device under a space-limited working condition according to claim 7, characterized in that: A hoisting bracket is provided on the bracket track, in which a hanger track is provided. The hanger track is connected to the regulating roller, and an auxiliary hanger is provided on the regulating roller for assisting in regulating the position of the spiral staircase.