Temporary protection structure of elevator shaft
By setting up temporary protective structures connecting columns, protective nets, support frames and support plates on the inside of the elevator shaft, the problem that the existing technology cannot protect the inside of the well hole is solved, and effective acceptance and safety improvement of falling objects is achieved, and through The limiting mechanism extends the service life of key components.
Patent Information
- Application Number
- CN202421085876.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-18
- Publication Date
- 2025-01-03
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing elevator shaft protection net cannot effectively protect the inside of the well hole, resulting in high-level garbage falling off during construction and may hurt staff, posing safety hazards.
A temporary protective structure of elevator shaft is designed, including connecting columns, protective nets, support frames and support plates. The protective nets are fixed at the entrance of the elevator shaft through an adjustment mechanism, and the support frame is used to fit the inner wall of the elevator shaft to act as a bearing for falling objects. The function of the support frame and support plate can be retracted and placed, making it easy to store and transport.
It effectively prevents falling objects from hurting staff, improves the safety of the inner side of the elevator shaft, and reduces the force of the pawl through the limiting mechanism, extends its service life.
Smart Images
Figure CN222295781U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of elevator shaft protection, in particular to a temporary protection structure for an elevator shaft. Background Art
[0002] The elevator shaft is the passage where the elevator is installed. The size of the shaft is determined according to the elevator selection. The elevator track and counterweight track are installed on the shaft wall. The elevator door is installed in the reserved door opening. There is an elevator machine room at the top of the shaft. During the construction process, the elevator opening needs to be equipped with edge protection to prevent people from slipping and falling.
[0003] The existing protective net can only protect the hole entrance, but cannot protect the inside of the well hole. When workers are working inside the well hole, if garbage falls from a high place, it is easy to hit the workers and cause safety accidents. Therefore, a temporary protective structure for the elevator shaft is proposed to address the above problems. Utility Model Content
[0004] The technical problem to be solved by the utility model overcomes the existing defects and can effectively solve the problems in the background technology.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A temporary protective structure for an elevator shaft comprises a connecting column and a protective net, wherein the inner side of one end of the protective net is fixedly connected to the connecting column, an adjusting mechanism is arranged on the inner side of the connecting column, one end of the adjusting mechanism is fixedly connected to a supporting frame, and the supporting frame is rotatably connected to the connecting column, and a supporting plate is fixedly connected to the inner side of the supporting frame.
[0007] Preferably, the number of the support frames and the number of the support plates are both two, and they are symmetrically distributed on both sides of the vertical center line of the connecting column.
[0008] Preferably, the adjustment mechanism includes a first rotating shaft and a second rotating shaft rotatably arranged on the inner sides of both ends of the vertical center line of the connecting column, a first gear is fixedly connected to the outer side of the first rotating shaft, a second gear is fixedly connected to the outer side of the second rotating shaft, the first gear is fixedly connected to one of the support frames, the second gear is fixedly connected to the other support frame, a ratchet is fixedly connected to the outer side of the first rotating shaft, a pawl is arranged at one end of the ratchet, and the pawl is rotatably connected to the connecting column.
[0009] Preferably, one of the support frames is rotatably connected to the connecting column via a first rotating shaft, and the other support frame is rotatably connected to the connecting column via a second rotating shaft.
[0010] Preferably, one end of the first rotating shaft is fixedly connected to a limiting frame, and the outer side of the limiting frame is fixedly connected to a hand wheel.
[0011] Preferably, one end of the connecting column is fixedly connected to a sleeve, the inner side of the sleeve is slidably connected to a limit pin, one end of the limit pin is fixedly connected to a shifting rod, and the shifting rod is slidably connected to the sleeve.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] 1. A temporary protective structure for an elevator shaft, wherein a protective net is fixed at the elevator shaft opening by means of a protective net, a connecting column, a supporting frame and a supporting plate, and the supporting frame and the supporting plate are fixed to the inner side of the elevator shaft under the action of the connecting column, and the edge of the supporting frame is in contact with the inner wall of the elevator shaft, and the supporting frame and the supporting plate play a role in receiving falling objects, thereby preventing the falling objects from injuring the staff, and when the supporting frame and the supporting plate are not in use, the supporting frames and the supporting plates on both sides can be made to fit together and be stored, so as to facilitate the storage and transportation of the staff.
[0014] 2. A temporary protective structure for an elevator shaft, which is equipped with a hand wheel, a limit frame, a sleeve, a limit pin, and a lever. After the support frames and support plates on both sides are fitted together and folded up, the limit frame is supported and limited by the limit pin, thereby reducing the force on the pawl and increasing the service life of the pawl. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0016] Figure 1 The utility model is a schematic diagram of the overall structure of a temporary protective structure for an elevator shaft.
[0017] Figure 2 The utility model is a schematic diagram of the installation structure of a support plate of a temporary protective structure for an elevator shaft.
[0018] Figure 3 The utility model is a schematic diagram of the installation structure of the first gear of the temporary protection structure of the elevator shaft.
[0019] Figure 4 The utility model is a schematic diagram of the installation structure of a limit frame of a temporary protective structure of an elevator shaft.
[0020] Figure 5 The utility model is a schematic diagram of the installation structure of a lever of a temporary protective structure for an elevator shaft.
[0021] Figure 6 The utility model is a schematic structural diagram of a limit pin of a temporary protective structure for an elevator shaft.
[0022] Figure 7 The utility model is a schematic diagram of the installation structure of a temporary protective structure for an elevator shaft when in use.
[0023] In the figure: 1. connecting column; 2. supporting frame; 3. supporting plate; 4. first rotating shaft; 5. second rotating shaft; 6. first gear; 7. second gear; 8. hand wheel; 9. limit frame; 10. sleeve; 11. limit pin; 12. lever; 13. ratchet; 14. pawl; 15. protective net; 16. elevator shaft. DETAILED DESCRIPTION
[0024] The utility model is further described below in conjunction with specific implementation methods, wherein the accompanying drawings are only used for exemplary descriptions and represent only schematic diagrams rather than actual drawings, and cannot be understood as limitations on this patent. In order to better illustrate the specific implementation methods of the utility model, some parts of the accompanying drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the accompanying drawings may be omitted. Based on the specific implementation methods in the utility model, all other specific implementation methods obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0025] Example
[0026] like Figure 1-7 As shown, a temporary protective structure for an elevator shaft comprises a connecting column 1 and a protective net 15, wherein the inner side of one end of the protective net 15 is fixedly connected to the connecting column 1, and the inner side of the connecting column 1 is provided with an adjusting mechanism, and one end of the adjusting mechanism is fixedly connected to a supporting frame 2, and the supporting frame 2 is rotatably connected to the connecting column 1, and the inner side of the supporting frame 2 is fixedly connected to a supporting plate 3, so that the protective net 15 is fixed at the elevator shaft opening, and at the same time, the supporting frame 2 and the supporting plate 3 are fixed to the inner side of the elevator shaft 16 under the action of the connecting column, and at the same time, the edge of the supporting frame 2 is in contact with the inner wall of the elevator shaft 16, and the supporting frame 2 and the supporting plate 3 play a role in receiving falling objects, thereby preventing the staff from being injured by falling objects, and when the supporting frame 2 and the supporting plate 3 are not in use, the supporting frames 2 and the supporting plates 3 on both sides can be made to fit together and put away, so as to facilitate the storage and transportation of the staff.
[0027] As a further improvement of the utility model, Figure 1 , Figure 2 and Figure 7As shown, there are two support frames 2 and two support plates 3, which are symmetrically distributed on both sides of the vertical center line of the connecting column 1, so as to improve the safety of protection through multiple support frames 2 and support plates 3.
[0028] As a further improvement of the utility model, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the adjustment mechanism includes a first rotating shaft 4 and a second rotating shaft 5 which are rotatably arranged on the inner sides of both ends of the vertical center line of the connecting column 1, a first gear 6 is fixedly connected to the outer side of the first rotating shaft 4, a second gear 7 is fixedly connected to the outer side of the second rotating shaft 5, the first gear 6 is fixedly connected to one of the support frames 2, the second gear 7 is fixedly connected to the other support frame 2, a ratchet 13 is fixedly connected to the outer side of the first rotating shaft 4, a pawl 14 is arranged at one end of the ratchet 13, and the pawl 14 is rotatably connected to the connecting column 1, the positions of the two support frames 2 and the support plate 3 can be adjusted under the cooperation of the first gear 6 and the second gear 7, and when the support frames 2 and the support plates 3 on both sides are gradually retracted, the first rotating shaft 4 can be prevented from being accidentally lost under the action of the ratchet 13 and the pawl 14, and rotates back.
[0029] As a further improvement of the utility model, Figure 1 , Figure 2 , Figure 7 As shown, one of the support frames 2 is rotatably connected to the connecting column 1 via a first rotating shaft 4, and the other support frame 2 is rotatably connected to the connecting column 1 via a second rotating shaft 5, ensuring that the first rotating shaft 4 and the second rotating shaft 5 drive the corresponding support frame 2 to rotate normally.
[0030] As a further improvement of the utility model, Figure 3 and Figure 4 As shown, one end of the first rotating shaft 4 is fixedly connected to a limiting frame 9, and a hand wheel 8 is fixedly connected to the outer side of the limiting frame 9. The hand wheel 8 and the limiting frame 9 facilitate the staff to rotate the first rotating shaft 4.
[0031] As a further improvement of the utility model, Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, one end of the connecting column 1 is fixedly connected to a sleeve 10, and the inner side of the sleeve 10 is slidably connected to a limit pin 11. One end of the limit pin 11 is fixedly connected to a lever 12, and the lever 12 is slidably connected to the sleeve 10. After the support frames 2 and the support plates 3 on both sides are fitted together and folded up, the limit frame 9 is supported and limited by the limit pin 11, thereby reducing the thrust of the ratchet wheel on the pawl 14 and improving the service life of the pawl 14.
[0032] Workflow: When the elevator shaft 16 needs to be protected, the protection net 15 is first fixed at the elevator shaft opening, and then the staff moves the limit pin 11 from one side of the limit frame 9 through the lever 12, and then the pawl 14 is pushed upward to separate the pawl 14 from the ratchet 13. At this time, without the limit of the pawl 14, the support frames 2 and the support plates 3 on both sides begin to rotate toward the inner wall of the elevator shaft 16 until the support frame 2 fits the inner wall of the elevator shaft 16 together. The support frame 2 and the support plate 3 play a role in receiving falling objects, thereby preventing the falling objects from injuring the staff;
[0033] When the support frame 2 and the support plate 3 are not in use, the staff uses the hand wheel 8 and the limit frame 9 to rotate the first shaft 4 clockwise, and then the first shaft 4 rotates the first gear 6 clockwise, and the first gear 6 rotates the second gear 7 and the second shaft 5 counterclockwise, so that the support frames 2 and support plates 3 on both sides can be fitted together and put away, which is convenient for the staff to store and transport. At the same time, the staff moves the limit pin 11 out from the inner side of the sleeve 10 through the lever 12, so that the limit pin 11 and the limit frame 9 are abutted together, and the limit pin 11 is used to support and limit the limit frame 9, thereby reducing the thrust of the ratchet on the pawl 14 and increasing the service life of the pawl 14.
[0034] The above is a preferred implementation mode of the utility model. The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. Technical personnel in this industry should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the utility model. Without departing from the protection scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model to be protected. The protection scope of the utility model is defined by the attached claims and their equivalents.
Claims
1. A temporary protection structure for an elevator shaft, comprising a connecting column (1) and a protection net (15), characterized in that: A connecting column (1) is fixedly connected to the inner side of one end of the protective net (15); an adjustment mechanism is provided on the inner side of the connecting column (1); a support frame (2) is fixedly connected to one end of the adjustment mechanism; the support frame (2) is rotatably connected to the connecting column (1); and a support plate (3) is fixedly connected to the inner side of the support frame (2).
2. The temporary protection structure for an elevator shaft according to claim 1, characterized in that: The number of the support frames (2) and the number of the support plates (3) are both two, and they are symmetrically distributed on both sides of the vertical center line of the connecting column (1).
3. The temporary protection structure for an elevator shaft according to claim 1, characterized in that: The adjustment mechanism comprises a first rotating shaft (4) and a second rotating shaft (5) which are rotatably arranged on the inner sides of both ends of the vertical center line of the connecting column (1); a first gear (6) is fixedly connected to the outer side of the first rotating shaft (4); a second gear (7) is fixedly connected to the outer side of the second rotating shaft (5); the first gear (6) is fixedly connected to one of the supporting frames (2); the second gear (7) is fixedly connected to the other supporting frame (2); a ratchet (13) is fixedly connected to the outer side of the first rotating shaft (4); a pawl (14) is arranged at one end of the ratchet (13); and the pawl (14) is rotatably connected to the connecting column (1).
4. The temporary protection structure for an elevator shaft according to claim 3, characterized in that: One of the support frames (2) is rotatably connected to the connecting column (1) via a first rotating shaft (4), and the other support frame (2) is rotatably connected to the connecting column (1) via a second rotating shaft (5).
5. The temporary protection structure for an elevator shaft according to claim 3, characterized in that: One end of the first rotating shaft (4) is fixedly connected to a limiting frame (9), and the outer side of the limiting frame (9) is fixedly connected to a hand wheel (8).
6. The temporary protection structure for an elevator shaft according to claim 1, characterized in that: One end of the connecting column (1) is fixedly connected to a sleeve (10), the inner side of the sleeve (10) is slidably connected to a limit pin (11), one end of the limit pin (11) is fixedly connected to a lever (12), and the lever (12) is slidably connected to the sleeve (10).