CN214740120U - Elevator well adjustable protective bracket that stretches out and draws back - Google Patents
Elevator well adjustable protective bracket that stretches out and draws back Download PDFInfo
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- CN214740120U CN214740120U CN202120656898.3U CN202120656898U CN214740120U CN 214740120 U CN214740120 U CN 214740120U CN 202120656898 U CN202120656898 U CN 202120656898U CN 214740120 U CN214740120 U CN 214740120U
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Abstract
The utility model discloses a telescopic adjustable protective bracket for an elevator shaft, which comprises two main stress steel pipes arranged in parallel and two auxiliary stress steel pipes arranged in parallel, wherein the auxiliary stress steel pipes are vertically arranged between the two main stress steel pipes; a pair of positioning plates are welded at the upper parts of the two ends of each main stress steel pipe at intervals, and a clamping groove is formed between each pair of positioning plates; the two ends of each auxiliary stress steel pipe are respectively inserted with an early-dismantling screw rod, one end of each early-dismantling screw rod, which is close to the auxiliary stress steel pipe, is respectively provided with a tightening nut, the outer end part of each early-dismantling screw rod is respectively fixedly provided with a clamping hook, and two clamping hooks corresponding to the two ends of each auxiliary stress steel pipe are respectively clamped in clamping grooves on the end parts of the same sides of the two main stress steel pipes. The utility model discloses a protective bracket ann tears open simply, the operation is short, efficient, can have enough to meet the need the use in time.
Description
Technical Field
The utility model belongs to an elevator well protector, concretely relates to flexible adjustment formula protective bracket of elevator well.
Background
With the demands of city development and improvement of human living environment, the number of high-rise buildings and super high-rise buildings is increasing, and the use frequency of elevators is becoming more and more common. In the construction process, because the process is more, and the construction of each process has the current situation that alternately goes on with the cycle is longer, leads to the elevator well to have the potential safety hazard of object that falls from high altitude, so need set up elevator guard gate and well protector in elevartor shaft department.
At present, the elevator shaft protection usually adopts two modes of hard protection and soft protection, but no matter which protection form is adopted, the protection is realized by relying on a protection support as a support system. The protective support is generally characterized in that sleeves for penetrating through long steel pipes are reserved on shear walls on two sides of a well, two short steel pipes and fasteners are combined and fixed with the long steel pipes in the well to form a well-shaped support, and then wood boards or flat nets are laid on the support or bound to form a protective device. However, the common protective bracket is very complicated to mount and dismount, and the operation time is long.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art not enough and provide an ann tears the flexible adjustable formula protective cradle of elevator well that simply just the operation time spent is short open.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
a telescopic adjustable protective support for an elevator shaft comprises two main stressed steel pipes arranged in parallel and two auxiliary stressed steel pipes arranged in parallel, wherein the auxiliary stressed steel pipes are vertically arranged between the two main stressed steel pipes; a pair of positioning plates are welded at the upper parts of the two ends of each main stress steel pipe at intervals, and a clamping groove is formed between each pair of positioning plates; the two ends of each auxiliary stress steel pipe are respectively inserted with an early-dismantling screw rod, one end of each early-dismantling screw rod, which is close to the auxiliary stress steel pipe, is respectively provided with a tightening nut, the outer end part of each early-dismantling screw rod is respectively fixedly provided with a clamping hook, and two clamping hooks corresponding to the two ends of each auxiliary stress steel pipe are respectively clamped in clamping grooves on the end parts of the same sides of the two main stress steel pipes.
Furthermore, the main stress steel pipe and the auxiliary stress steel pipe are arranged in a coplanar manner.
Furthermore, the positioning plate is in a semi-arc shape and is coaxially arranged with the main stress steel pipe; the clamping groove is C-shaped with a downward opening.
Furthermore, the tightening nut is a straight tightening nut.
Furthermore, the clamping hook is C-shaped with an inclined downward opening, the inner surface of the clamping hook is an arc-shaped surface, and the diameter of the clamping hook is consistent with the outer diameter of the main stress steel pipe.
Furthermore, a positioning head is fixedly arranged on the inner surface of the clamping hook, and a positioning hole for inserting the positioning head is formed in the main stress steel pipe corresponding to the clamping groove in a matched mode.
Furthermore, the clamping hook is in a rectangular groove shape with an outward opening, and the height and the depth in the groove of the clamping hook are consistent with the outer diameter of the main stressed steel pipe.
Furthermore, round holes are formed in the upper frame and the lower frame of the clamping hook and in the positions perpendicular to the center of the main stress steel pipe, round holes are correspondingly formed in the main stress steel pipe corresponding to the clamping grooves, and the clamping hook and the main stress steel pipe are fixed together by inserting positioning bolts into the round holes.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the utility model discloses a protective bracket ann tears simply, the operation is short in time, can accomplish support body equipment and flat net installation in an hour by an operation workman, than traditional protection mode homoenergetic saving about 50% on personnel's quantity and operating time, consequently practiced thrift the labour cost, improved the installation effectiveness, have certain effect to reducing the construction total cost. And the utility model discloses a protective bracket can adopt the regularization preparation, and the size is unified, can have enough to meet the need the use many times, and the appearance is pleasing to the eye simultaneously, has certain help effect to promoting the whole image of engineering.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural diagram of a main stressed steel pipe;
FIG. 3 is a schematic structural diagram of a secondary stressed steel tube;
FIG. 4 is another structural diagram of the auxiliary stressed steel tube;
in the figure: 1. the device comprises a main stress steel pipe, 2, a positioning plate, 3, a clamping groove, 4, an auxiliary stress steel pipe, 5, a clamping hook, 6, a screwing nut, 7 and an early-dismantling screw rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, the utility model discloses a telescopic adjustable protective bracket for elevator shaft, which comprises two main stressed steel pipes 1 arranged in parallel and two auxiliary stressed steel pipes 4 arranged in parallel, wherein the main stressed steel pipes 1 and the auxiliary stressed steel pipes 4 are arranged in a coplanar manner, and the auxiliary stressed steel pipes 4 are vertically arranged between the two main stressed steel pipes 1; a pair of semi-arc positioning plates 2 are welded at the upper parts of the two ends of each main stress steel pipe 1 at intervals, and a clamping groove 3 is formed between each pair of positioning plates 2; the positioning plate 2 is coaxial with the main stress steel pipe 1, and the clamping groove 3 is C-shaped with a downward opening. The two ends of each auxiliary stress steel pipe 4 are respectively inserted with an early-dismantling screw rod 7, one end of each early-dismantling screw rod 7, which is close to the auxiliary stress steel pipe 4, is respectively provided with a one-line-shaped tightening nut 6, the outer end part of each early-dismantling screw rod 7 is respectively fixedly provided with a clamping hook 5, the clamping hook 5 is C-shaped, the inner surface of the clamping hook 5 is an arc-shaped surface, and the diameter of the clamping hook 5 is consistent with the outer diameter of the main stress steel pipe 1. Two corresponding hooks 5 at two ends of each auxiliary stressed steel pipe 4 are respectively clamped in the clamping grooves 3 at the same side end parts of the two main stressed steel pipes 1.
As shown in fig. 3, the hook 5 is C-shaped with an opening inclined downward, and the inner surface of the hook 5 is an arc surface and has a diameter consistent with the outer diameter of the main stressed steel pipe. The inner surface of the hook 5 is fixedly provided with a positioning head, and the main stress steel pipe 1 corresponding to the clamping groove 3 is provided with a positioning hole for inserting the positioning head.
As shown in fig. 4, the hook 5 may also be a rectangular groove shape that is open outward, and the height and depth in the groove of the hook 5 are both consistent with the outer diameter of the main force-bearing steel pipe 1. Round holes are formed in the upper frame and the lower frame of the clamping hook 5 and in the position perpendicular to the center of the main stress steel pipe 1, round holes are correspondingly formed in the main stress steel pipe 1 corresponding to the clamping groove 3, and the clamping hook 5 and the main stress steel pipe 1 are fixed together by inserting a positioning bolt into the round holes.
The utility model discloses in, from four aspects comprehensive consideration such as the intensity of security, convenience and material, cost of manufacture that protective bracket used, main atress steel pipe 1 and vice atress steel pipe 4 adopt to set up the Q235 steel pipe that the scaffold frame used in the construction and make, locating plate 2 adopts the band iron that 5mm is thick to make, and the pothook 5 of C font adopts the thick Q235 steel sheet of 20mm to make, early tear lead screw 7 open adopts early tear lead screw of branch 30 open. The following presents the fabrication and assembly process of the present invention using the 2350 x 2100mm cross-sectional size of the elevator shaft as a design template.
Preparation: (1) the welding position of the positioning plate 2 is determined according to the length size in the shaft; according to the size of the long side direction of the elevator shaft, two steel pipes with the length of 3150mm are determined to be used as main stress steel pipes 1 penetrating through the shear wall, marks are made at the positions, 425mm inwards, of the two ends of each main stress steel pipe 1, the marks are used for welding a first positioning plate 2, and then the marks are used for welding a second positioning plate 2 at intervals of 21mm inwards along the marks. (2) According to the outer diameter of the main stress steel pipe 1, a flat iron with the thickness of 5mm is processed into a shape consistent with the outer diameter radian of the main stress steel pipe 1, then the flat iron is cut into a semi-circular arc with the width of 20mm and the length equal to the diameter of the main stress steel pipe 1 to serve as a positioning plate 2, the positioning plate 2 is welded at the mark position of the main stress steel pipe 1, a pair of positioning plates 2 are welded at the end part of each main stress steel pipe 1, the distance between the two positioning plates 2 is 21mm, and a clamping groove 3 with a downward opening and a C shape is formed in the middle. (3) According to the outer diameter of the main stress steel pipe 1, C-shaped hooks 5 are cut on a steel plate with the thickness of 20mm, and the cutting edges of the hooks 5 are polished smoothly to prevent hands from being injured. (4) The end part of the hook 5 is welded at the end part of one side of an early-dismantling screw rod 7 with the length of 500mm, after an in-line screwing nut 6 is installed at the other side of the early-dismantling screw rod 7, the early-dismantling screw rod 7 is sleeved at the two ends of a steel pipe with the length of 1500mm, and the steel pipe is used as an auxiliary stress steel pipe 4.
Assembling and using: (1) reserving a 65PVC wire pipe in a position 200mm away from the ground and 25mm away from the inner side wall of a hoistway in a shear wall reinforcing steel bar net rack perpendicular to one side of a main stress steel pipe 1 before fixing shear wall templates around a current-layer elevator shaft; after concrete pouring and formwork dismantling are completed, two main stress steel pipes 1 respectively penetrate through reserved holes on two sides. (2) Hang and establish simple and easy operation platform on two main atress steel pipes 1, operating personnel stands on operation platform, places the pothook 5 at first vice atress steel pipe 4 both ends respectively in draw-in groove 3 of two main atress steel pipes 1 with one side, then screws up nut 6 through the adjustment, withholds vice atress steel pipe 4 tightly on main atress steel pipe 1. The auxiliary stress steel pipe 4 is fixed in a way that the position is adjusted to be tightly propped against the main stress steel pipe 1 through the linear tightening nut 6, the requirements of different well widths can be met, and the application range is wider. (3) The position of the main stress steel pipe 1 is adjusted, so that the outer edge of the positioning plate 2 on one side of the first auxiliary stress steel pipe 4 is attached to the inner wall of the well, then the second auxiliary stress steel pipe 4 is installed on the other side of the main stress steel pipe 1, and the main stress steel pipe 1 and the auxiliary stress steel pipe 4 are combined together to form the protective support shaped like a Chinese character 'jing'. The installation mode of the main stress steel pipe 1 and the auxiliary stress steel pipe 4 changes the current situation that the gap between the net body and the well wall is overlarge due to the fact that the fastener is adopted for fixing, and the gap between the periphery of the net body and the well wall can be controlled within 25 mm. (4) And an operator stands on the operation platform, and the side ropes at each tying point of the flat net are tightly wound with the bracket, wherein the distance between the tying points is not more than 750 mm.
Claims (8)
1. The utility model provides a flexible adjustment formula protective cradle of elevator well which characterized in that: the steel tube comprises two main stressed steel tubes (1) arranged in parallel and two auxiliary stressed steel tubes (4) arranged in parallel, wherein the auxiliary stressed steel tubes (4) are vertically arranged between the two main stressed steel tubes (1); a pair of positioning plates (2) are welded on the upper parts of the two ends of each main stress steel pipe (1) at intervals, and a clamping groove (3) is formed between each pair of positioning plates (2); the auxiliary stress steel pipe (4) is characterized in that an early-dismantling screw rod (7) is inserted into pipe orifices at two ends of each auxiliary stress steel pipe (4), one end, close to the auxiliary stress steel pipe (4), of each early-dismantling screw rod (7) is provided with a tightening nut (6), the outer end of each early-dismantling screw rod (7) is fixedly provided with a clamping hook (5), and two clamping hooks (5) corresponding to two ends of each auxiliary stress steel pipe (4) are clamped in clamping grooves (3) at the same side end parts of the two main stress steel pipes (1) respectively.
2. The telescopic adjustable protective bracket for an elevator shaft according to claim 1, characterized in that: the main stress steel pipe (1) and the auxiliary stress steel pipe (4) are arranged in a coplanar manner.
3. The telescopic adjustable protective bracket for an elevator shaft according to claim 1, characterized in that: the positioning plate (2) is in a semi-arc shape and is coaxially arranged with the main stress steel pipe (1); the clamping groove (3) is C-shaped with a downward opening.
4. The telescopic adjustable protective bracket for an elevator shaft according to claim 1, characterized in that: the tightening nut (6) is a straight tightening nut.
5. The telescopic adjustable protective bracket for an elevator shaft according to claim 1, characterized in that: the clamping hook (5) is C-shaped with an opening inclined downwards, the inner surface of the clamping hook (5) is an arc-shaped surface, and the diameter of the inner surface is consistent with the outer diameter of the main stress steel pipe (1).
6. The telescopic adjustable protective bracket for an elevator shaft according to claim 5, wherein: the inner surface of the clamping hook (5) is fixedly provided with a positioning head, and a positioning hole for inserting the positioning head is formed in the main stress steel pipe (1) corresponding to the clamping groove (3) in a matched mode.
7. The telescopic adjustable protective bracket for an elevator shaft according to claim 1, characterized in that: the clamping hook (5) is in a rectangular groove shape with an outward opening, and the height and the depth of the clamping hook (5) in the groove are consistent with the outer diameter of the main stressed steel pipe (1).
8. The telescopic adjustable protective bracket for an elevator shaft according to claim 7, wherein: round holes are formed in the upper frame and the lower frame of the clamping hook (5) and in the position perpendicular to the center of the main stressed steel pipe (1), round holes are correspondingly formed in the main stressed steel pipe (1) corresponding to the clamping groove (3), and the clamping hook (5) and the main stressed steel pipe (1) are fixed together through the round holes by inserting positioning bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120656898.3U CN214740120U (en) | 2021-03-31 | 2021-03-31 | Elevator well adjustable protective bracket that stretches out and draws back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120656898.3U CN214740120U (en) | 2021-03-31 | 2021-03-31 | Elevator well adjustable protective bracket that stretches out and draws back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214740120U true CN214740120U (en) | 2021-11-16 |
Family
ID=78599345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120656898.3U Active CN214740120U (en) | 2021-03-31 | 2021-03-31 | Elevator well adjustable protective bracket that stretches out and draws back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214740120U (en) |
-
2021
- 2021-03-31 CN CN202120656898.3U patent/CN214740120U/en active Active
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