CN210563507U - Self-stabilizing inside and outside sliding type safety protection device in elevator shaft - Google Patents

Abstract

The utility model relates to a safety device in inside and outside sliding elevator shaft of self-stabilizing type, its characterized in that: the device comprises a cantilever frame, a sliding platform and a protection mechanism; the cantilever frame comprises a main beam, a secondary beam, a limiting beam, a vertical beam and a cross beam, and is arranged at the elevator shaft in a cantilever manner; the sliding platform comprises a main frame, a side frame, a main steel plate and a side steel plate, and is connected with the main beam of the cantilever frame in a sliding manner; the protection mechanism comprises a net hanging screw rod and a safety net, the net hanging screw rod is installed on the side frame and located at four corners inside the elevator shaft, and the periphery of the safety net is fixed to the top end of the net hanging screw rod. The utility model discloses the structure is strong from the stability, the operation is few in the well and construction security is good, the turnover rate of utilization is high, the security is torn open fast and energy-concerving and environment-protective good, has overcome that the complicated and site operation volume of conventional pre-buried steel pipe protection technology process is big, the security tears dangerous, reuse rate is low, the construction progress scheduling problem slowly, possesses apparent economic benefits and social.

Description

Self-stabilizing inside and outside sliding type safety protection device in elevator shaft

Technical Field

The utility model relates to a safety device in inside and outside sliding elevator well of self-stabilizing type belongs to the building engineering field, is applicable to the safety protection in the elevator well.

Background

In recent years, with the rapid development of urban and rural construction in China, the building market scale is continuously enlarged, and high-rise and super high-rise buildings are more and more popular. In the construction process of a high-rise building, the protection of an elevator shaft opening is the key point of safety protection of a construction site and is also a high-rise area of a high-rise falling safety accident. At present, the conventional method of construction sites is that a horizontal steel pipe is embedded in an elevator opening, a scaffold board or a wood template is paved on the surface of the elevator opening to serve as a hard horizontal seal, and 1 layer of horizontal pocket net is paved at the upper end of the elevator opening. When this conventional method was implemented, the steel pipe appears and easily leaks to bury, the safe pocket net does not have fixed hanging point, need beat expansion bolts and fix the pocket net, and the reuse of steel pipe, template is comparatively loaded down with trivial details scheduling problem. Meanwhile, the process is complicated, the installation and removal work is dangerous, and a plurality of potential safety hazards exist.

Therefore, in order to effectively solve the problems, a safety protection device in the elevator shaft, which is convenient to install, can be used in a turnover mode and has high construction safety, is urgently needed to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the traditional embedded steel pipe protection technology is complex in process, the field operation amount is large, the installation and disassembly are dangerous, the repeated utilization rate is low, the construction progress is slow and the like, and the safety protection device in the self-stable type inner and outer sliding elevator shaft is provided.

In order to realize the technical purpose, the utility model discloses a following technical scheme:

the utility model relates to a self-stabilizing inside and outside sliding type safety protection device in an elevator shaft, which comprises an elevator shaft, wherein the side surface of the elevator shaft is provided with an elevator door opening, and the elevator shaft comprises a suspension bracket, a sliding platform and a protection mechanism;

the cantilever comprises a main beam, secondary beams, limiting beams, vertical rods and cross beams, wherein two ends of the main beam are respectively positioned outside and inside the elevator shaft, the secondary beams are arranged between the main beams at intervals, the limiting beams are arranged on the lower surface of the main beam and are tightly attached to the inner wall of the elevator shaft, the vertical rods are fixed on the main beam and are positioned at positions close to the outer wall of the elevator shaft, leveling screw rods are arranged at the tops of the vertical rods, two ends of each leveling screw rod are respectively provided with a handle and a leveling steel plate, the leveling steel plates are tightly attached to the outer wall of the elevator shaft, the cross beams are fixed between the two vertical rods, the top;

the sliding platform comprises a main frame, side frames, a main steel plate and side steel plates, wherein the main frame is connected with the main beam in a sliding manner, a main ridge perpendicular to the main beam is arranged in the main frame, the side frames are symmetrically arranged on the left side and the right side of the main frame and hinged with the main frame through hinges, a side ridge perpendicular to the main beam is arranged in the side frames, the main steel plate is tiled on the main ridge, and the side steel plates are tiled on the side ridge;

the protection mechanism comprises a net hanging screw rod and a safety net, the net hanging screw rod is arranged on the side frame and located at four corners inside the elevator shaft, and the periphery of the safety net is fixed to the top end of the net hanging screw rod.

Preferably, the middle part of the main ridge is provided with a protrusion, a side baffle parallel to the main beam is arranged below the main frame, the side baffle and the protrusion are matched to form a sliding groove, the width of the sliding groove is the same as that of the main beam, and the main frame is in sliding connection with the main beam through the sliding groove.

Preferably, sleeves are arranged at the positions, located at four corners inside the elevator shaft, above the side frames, and the bottoms of the net hanging screws are inserted into the corresponding sleeves.

Preferably, the two ends of the cross beam are provided with first steel rings, the inner end of the main beam is provided with second steel rings, the number of the second steel rings is the same as that of the first steel rings, the positions of the second steel rings correspond to those of the first steel rings, and the two ends of the steel wire rope are respectively connected with the corresponding first steel rings and the corresponding second steel rings.

Preferably, the edge of the inner side of the main frame is provided with grooves which are equivalent to the second steel rings and are in one-to-one correspondence with the positions of the second steel rings, the second steel rings are positioned in the corresponding grooves, and the highest points of the second steel rings are flush with the top surface of the main frame.

Preferably, the outermost end of main frame be equipped with first ear roof beam, the main frame is close to elevartor shaft outer wall position and is equipped with the second ear roof beam, the montant fix on the second ear roof beam, the bottom and the first ear roof beam of bracing fixed.

Preferably, the top of the vertical rod is provided with a threaded sleeve, and the leveling screw penetrates through the threaded sleeve and is matched with the threaded sleeve.

Preferably, the main beam is made of I-shaped steel, the secondary beam is made of square tube steel, and the thickness of the secondary beam corresponds to the height of the web plate of the main beam.

Preferably, the secondary beam closest to the inner wall of the elevator shaft corresponds to the limiting beam up and down.

The utility model has the following characteristics and beneficial effect:

(1) the cantilever frame is tightly propped against the outer wall of the elevator shaft through the leveling bolt, self-stability is realized through the inclined strut and the steel wire rope, the installation of the protective device is firmer, and the construction quality is guaranteed.

(2) The platform that slides is through the stupefied interlock of the protruding main of side fender and lower part in the girder top, has guaranteed the stability of the process of sliding, can be with the installation of the platform that slides of coincide state and pass in the elevartor shaft outside simultaneously and take one's place, compares traditional pre-buried steel pipe protection technology, has avoided a large amount of interior operations of well, has improved the security of construction.

(3) The cantilever frame can be tightly propped through the leveling bolt without operations such as embedding, fixing and the like of an embedded part; the sliding platforms can be overlapped, and the transportation, the installation and the disassembly are more convenient; the safety net hanger is arranged on the net hanging screw which is screwed in the sleeve, so that the process of beating expansion bolts to fix the net bag is omitted, and the construction period is effectively shortened.

(4) The sliding platform and the cantilever frame are prefabricated in a factory, and only need to be transported to the site to be installed and recycled, so that the site workload can be effectively reduced, and the energy-saving and environment-friendly performance is better.

Drawings

FIG. 1 is a cross-sectional view of a self-stabilizing inside and outside slip hoistway safety guard;

3 FIG. 3 2 3 is 3 a 3 sectional 3 view 3 of 3 the 3 safety 3 device 3 A 3- 3 A 3 in 3 the 3 self 3- 3 stabilized 3 inside 3 and 3 outside 3 sliding 3 type 3 elevator 3 shaft 3 shown 3 in 3 FIG. 3 1 3; 3

FIG. 3 is a cross-sectional view of the self-stabilizing inside and outside slip hoistway safety guard of FIG. 2 taken along the line B-B;

FIG. 4 is a detail view of a leveling bolt mounting node;

FIG. 5 is a schematic view of the mounting cantilever;

FIG. 6 is a schematic view of a fixed cantilever mount;

FIG. 7 is a schematic view of the installation of the skid platform and skid positioning;

FIG. 8 is a schematic view of the installation of a screen screw;

FIG. 9 is a schematic view of the laying of a safety net;

FIG. 10 is a schematic view of a drawknot cord;

in the figure: 1. the main beam, 2, the secondary beam, 3, the limiting beam, 4, the diagonal brace, 5, the vertical rod, 6, the cross beam, 7, the main ridge, 8, the main steel plate, 9, the sleeve, 10, the net hanging screw, 11, the steel wire rope, 12, the safety net, 13, the leveling steel plate, 14, the leveling screw, 15, the first steel ring, 16, the side steel plate, 17, the side ridge, 18, the hinge, 19, the groove, 20, the side frame, 21, the main frame, 22, the side stop, 23, the first ear beam, 24, the threaded sleeve, 25, the handle, 26, the protrusion, 27, the second steel ring and 28, the first ear beam.

Detailed Description

The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, and the following examples are illustrative of the present invention and are not limited to the following examples.

This embodiment uses certain high-rise building construction as an example, and building floor height 3.6m, elevator well size 2.2m x 2.1m, elevator door entrance to a cave size 1.1m x 2.1m, adopted in the work progress of elevator well the utility model relates to a safety device in interior outer sliding elevator well of self-stabilization type.

As shown in figure 1, the utility model relates to a from inside and outside slip formula elevator well safety device of stable type, including cantilever frame, sliding platform and protection machanism.

With reference to fig. 1 and 2, the cantilever frame comprises a main beam 1, a secondary beam 2, a limiting beam 3, a vertical beam 5 and a cross beam 6, wherein the main beam 1 and an inclined strut 4 are 200 × 100 × 10mm I-steel, the main beam 1 is 4.2m long, the vertical beam 5, the cross beam 6, the secondary beam 2 and the limiting beam 3 are 180 × 180 × 10mm square steel, the vertical beam 5 is 3m high, the cross beam 6 and the secondary beam 2 are 0.8m long, and the limiting beam 3 is 1m long. The main beam 1 both ends are located elevartor shaft outside and inside respectively, and secondary beam 2 interval sets up between main beam 1, and spacing beam 3 is established at main beam 1 lower surface to hug closely with the elevartor shaft inner wall, wherein, secondary beam 2 and spacing beam 3 that are closest to the elevartor shaft inner wall are corresponding relation from top to bottom. The thickness of the secondary beam 2 corresponds to the height of the web plate of the main beam 1, and two ends of the secondary beam 2 are welded with the web plates of the main beams 1 at two sides. The outermost end of main frame 21 is equipped with first ear 23, and main frame 21 is close to elevartor shaft outer wall position and is equipped with second ear 28, and first ear 23 and second ear 28 are 180 x 10mm square steel, and length is 0.23m, and 5 bottom welding of montant are on second ear 28, and 5 tops of montant are supported through bracing 4 and the 1 outside end of girder, and the bottom and the first ear 23 welding of bracing 4. Referring to fig. 4, a threaded sleeve 24 is arranged at the top of each vertical rod 5, a leveling screw 14 is arranged inside the threaded sleeve 24 in a matching manner, a handle 25 and a leveling steel plate 13 are arranged at two ends of the leveling screw 14 respectively, the handle 25 is used for rotating the leveling screw 14 to adjust the position of the leveling steel plate 13, the leveling steel plate 13 is tightly attached to the outer wall of the elevator shaft after adjustment is completed, a cross beam 6 is fixed between the two vertical rods 5, first steel rings 15 are arranged at two ends of the cross beam 6, second steel rings 27 are arranged at the inner end of the main beam 1, the number of the second steel rings 27 is the same as that of the first steel rings 15, the two steel rings are corresponding in position, the cross beam 6 is tied with the inner side end of the main beam 1 through a steel wire rope 11, and two ends of the steel wire rope 11. Above-mentioned bracing 4 and wire rope 11 all play the effect of guaranteeing the frame wholeness of encorbelmenting, make the frame structure of encorbelmenting more stable.

Referring to fig. 1 to 3, the sliding platform includes a main frame 21, side frames 20, a main steel plate 8 and side steel plates 16, wherein the main frame 21 and the side frames 20 are made of square steel of 50 × 50 × 10mm, the sizes of the square steel are 1.1 × 2.1m and 0.55 × 2.1m respectively, the main frame 21 is connected with the main beam 1 in a sliding manner, a main ridge 7 perpendicular to the main beam 1 is arranged inside the main frame 21, the side frames 20 are symmetrically arranged on the left side and the right side of the main frame 21 and hinged to the main frame 21 through hinges 18, a side ridge 17 perpendicular to the main beam 1 is arranged inside the side frame 20, the side ridge 17 is made of square steel of 40 × 50 × 10mm, the length of the side ridge is 0.45m, the main steel plate 8 is flatly laid on the main ridge 7, and the side steel plates 16 are; sleeves 9 are arranged above the side frames 20 at four corners inside the elevator shaft. Referring to fig. 3, the main ridge 7 is formed by welding two sections of square steel 40 × 50 × 10mm long by 0.1m and one section of square steel 40 × 60 × 10mm long by 0.8m, a protrusion 26 is further arranged at the middle part, a side block 22 parallel to the main beam 1 is arranged below the main frame 21, the side block 22 is made of square steel 50 × 50 × 10mm long by 2100mm, the side block 22 and the protrusion 26 are matched to form a sliding groove, the width of the sliding groove is the same as that of the main beam 1, and the main frame 21 is in sliding connection with the main beam 1 through the sliding groove. The inner side edge of the main frame 21 is provided with the grooves 19 which are equal to the second steel rings 27 in quantity and are in one-to-one correspondence with the positions of the second steel rings 27, and when the main frame 21 slides into the elevator shaft, the second steel rings 27 are positioned in the corresponding grooves 19, so that the main frame 21 or the second steel rings 27 can be prevented from being damaged due to collision between the main frame 21 and the second steel rings 27. The highest point of the second steel ring 27 is flush with the top surface of the main frame 21, so that the surface of the main frame 21 is smooth.

Referring to fig. 1 and 3, the protection mechanism includes a net hanging screw 10 and a safety net 12, the net hanging screw 10 is disposed on the side frame 20 and is located at four corners inside the elevator shaft, the bottom of the net hanging screw 10 is inserted into the corresponding sleeve 9, and the periphery of the safety net 12 is fixed to the top end of the net hanging screw 10.

The construction method of the self-stabilizing inside and outside sliding type safety protection device in the elevator shaft comprises the following steps: firstly, referring to fig. 5, a suspension bracket is hung at the elevator shaft, so that the outer part of a main beam 1 is erected on a floor outside the elevator shaft, the inner part of the main beam is suspended inside the elevator shaft, and a limit beam 3 is tightly attached to the inner wall of the elevator shaft; then, as shown in fig. 6, installing and adjusting the leveling steel plate 13 on the upper part of the vertical rod 5, and changing the position of the leveling steel plate 13 by rotating the handle 25 clockwise or anticlockwise to enable the leveling steel plate 13 to be tightly pressed against the outer wall of the elevator shaft; then, as shown in fig. 7, the main frame 21 and the side frames 20, which are stacked together, are installed on the main beam 1 above the outer portion of the elevator shaft to form a sliding platform, the sliding platform is pushed from the outside to the inside so that the sliding platform is integrally slid into the elevator shaft, and the side frames 20 on both sides are unfolded; then, as shown in fig. 8 and 9, mesh hanging screws 10 are arranged at four corners inside the elevator shaft above the side frames 20, and the periphery of a safety net 12 is fixed on the tops of the mesh hanging screws 10 to form a protection mechanism; then, as shown in fig. 10, the other end of the steel wire rope 11 is connected to the first steel ring 15, and the main beam 1 and the cross beam 6 are tied together.

After the construction is finished, the steel wire rope 11 is removed, the safety net 12 is taken down, the net hanging screw rod 10 is removed, the sliding platform is overlapped, the sliding platform slides to the outer side of the elevator shaft along the main beam 1 and is recovered, the leveling screw rod 14 and the leveling steel plate 13 are taken down, and the cantilever frame is taken out of the elevator shaft and is recovered.

The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (9)

1. The utility model provides a from inside and outside sliding safety device in elevator shaft of stable type, includes the elevartor shaft, the elevartor shaft side is equipped with elevator door opening, its characterized in that: the device comprises a cantilever frame, a sliding platform and a protection mechanism;

the cantilever frame comprises main beams (1), secondary beams (2), limiting beams (3), vertical rods (5) and cross beams (6), wherein two ends of the main beams (1) are respectively positioned outside and inside the elevator shaft, the secondary beams (2) are arranged between the main beams (1) at intervals, the limiting beams (3) are arranged on the lower surfaces of the main beams (1), the steel wire rope is tightly attached to the inner wall of an elevator shaft, the vertical rods (5) are fixed on the main beam (1) and are positioned close to the outer wall of the elevator shaft, leveling screw rods (14) are arranged at the tops of the vertical rods (5), handles (25) and leveling steel plates (13) are respectively arranged at two ends of each leveling screw rod (14), the leveling steel plates (13) are tightly attached to the outer wall of the elevator shaft, the cross beam (6) is fixed between the two vertical rods (5), the top ends of the vertical rods (5) are supported with the outer side end of the main beam (1) through inclined struts (4), and the cross beam (6) is tied with the inner;

the sliding platform comprises a main frame (21), side frames (20), main steel plates (8) and side steel plates (16), wherein the main frame (21) is in sliding connection with the main beam (1), main ridges (7) perpendicular to the main beam (1) are arranged inside the main frame (21), the side frames (20) are symmetrically arranged on the left side and the right side of the main frame (21) and hinged to the main frame (21) through hinges (18), side ridges (17) perpendicular to the main beam (1) are arranged inside the side frames (20), the main steel plates (8) are flatly laid on the main ridges (7), and the side steel plates (16) are flatly laid on the side ridges (17);

the protection mechanism comprises net hanging screws (10) and a safety net (12), the net hanging screws (10) are arranged on the side frames (20) and located at four corners inside the elevator shaft, and the periphery of the safety net (12) is fixed to the top ends of the net hanging screws (10).

2. The self-stabilizing inside and outside sliding type safety device in elevator shaft according to claim 1, characterized in that: the middle part of the main edge (7) is provided with a bulge (26), a side baffle (22) parallel to the main beam (1) is arranged below the main frame (21), the side baffle (22) and the bulge (26) are matched to form a sliding groove, the width of the sliding groove is the same as that of the main beam (1), and the main frame (21) is in sliding connection with the main beam (1) through the sliding groove.

3. The self-stabilizing inside and outside sliding type safety device in elevator shaft according to claim 1, characterized in that: sleeves (9) are arranged at the positions, located at four corners inside the elevator shaft, above the side frames (20), and the bottoms of the net hanging screw rods (10) are inserted into the corresponding sleeves (9).

4. The self-stabilizing inside and outside sliding type safety device in elevator shaft according to claim 1, characterized in that: crossbeam (6) both ends be equipped with first steel ring (15), girder (1) inner is equipped with second steel ring (27), the quantity of second steel ring (27) is the same with the quantity of first steel ring (15), and the position corresponds, the both ends of wire rope (11) are connected with first steel ring (15) and second steel ring (27) that correspond respectively.

5. The self-stabilizing inside and outside sliding type safety device in elevator shaft according to claim 1, characterized in that: the edge of the inner side of the main frame (21) is provided with grooves (19) which are equal to the second steel rings (27) and correspond to the positions of the second steel rings one by one, the second steel rings (27) are positioned in the corresponding grooves (19), and the highest point of the second steel rings (27) is flush with the top surface of the main frame (21).

6. The self-stabilizing inside and outside sliding type safety device in elevator shaft according to claim 1, characterized in that: the outermost end of main frame (21) be equipped with first ear roof beam (23), main frame (21) are close to elevartor shaft outer wall position and are equipped with second ear roof beam (28), montant (5) fix on second ear roof beam (28), the bottom and first ear roof beam (23) of bracing (4) fixed.

7. The self-stabilizing inside and outside sliding type safety device in elevator shaft according to claim 1, characterized in that: the top of montant (5) be equipped with threaded sleeve (24), leveling screw rod (14) run through threaded sleeve (24) and with threaded sleeve (24) cooperation.

8. The self-stabilizing inside and outside sliding type safety device in elevator shaft according to claim 1, characterized in that: the main beam (1) is made of I-shaped steel, the secondary beam (2) is made of square tube steel, and the thickness of the secondary beam (2) corresponds to the height of a web plate of the main beam (1).

9. The self-stabilizing inside and outside sliding type safety device in elevator shaft according to claim 1, characterized in that: the secondary beam (2) closest to the inner wall of the elevator shaft and the limiting beam (3) are in up-down corresponding relation.

Images