CN112627560A - Horizontal protective structure of elevator shaft - Google Patents
Horizontal protective structure of elevator shaft Download PDFInfo
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- CN112627560A CN112627560A CN202011410872.7A CN202011410872A CN112627560A CN 112627560 A CN112627560 A CN 112627560A CN 202011410872 A CN202011410872 A CN 202011410872A CN 112627560 A CN112627560 A CN 112627560A
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- precast concrete
- protection
- elevator shaft
- protective structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
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- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses an elevator shaft horizontal protection structure, belongs to the field of construction of constructional engineering, and provides an elevator shaft horizontal protection structure which can realize horizontal installation and cannot extend out of a door opening, wherein the elevator shaft horizontal protection structure comprises embedded components, horizontal protection rods and protection plates, the embedded components are respectively arranged on two opposite side walls in an elevator shaft, and each embedded component comprises a plurality of positioning jacks which are distributed at intervals in the horizontal direction; the horizontal protection rods are provided with a plurality of rods, the two ends of each horizontal protection rod are respectively inserted into corresponding positioning insertion holes in the two opposite embedded components, and the protection plates are tiled on the horizontal protection rods. The invention solves the problems that a common protective structure has a certain included angle with the horizontal plane, and part of horizontal members need to extend out of the elevator shaft door opening and then be supported on a floor slab at the door opening; and adopt split type and modular dismouting, use, can conveniently recycle, improve protective structure's use turnover efficiency.
Description
Technical Field
The invention relates to the field of construction engineering construction, in particular to an elevator shaft horizontal protection structure.
Background
In the actual construction process, the construction support of the elevator shaft is gradually changed into a special derrick as an elevator construction platform from a mode of building a full support. The horizontal protection in the elevator shaft is also changed into the mode that the template protection is erected on a full scaffold, and the steel pipe fasteners are mainly adopted to erect or form steel welding supports, the supports use the ground on one side of an elevator door opening as vertical support, walls on two sides of the door opening limit the movement of the supports in the horizontal direction, and the other ends of the supports and the horizontal surface form a certain included angle and are obliquely supported on the elevator shaft wall on the other side. Thereby forming a stable inclined supporting frame with a smaller angle, and forming a horizontal protection structure after paving the wood board.
The method has the following defects:
1. the protective structure and the horizontal plane have a certain included angle, and objects falling from the upper part are easy to bounce out of the door opening, so that certain potential safety hazards are caused.
2. The traditional protective structure horizontal component needs to extend out of an elevator shaft door opening and is supported on a floor slab at the door opening, the sealing of the elevator shaft door opening is influenced, a certain space of an elevator front chamber is occupied, and certain potential safety hazards exist.
3. The steel pipe is used for building the horizontal protection fastener for connection, the fastener is easy to damage due to external force impact, the construction period is long, the project cost is high, and the profile steel horizontal support is high in cost and weight.
4. The protection frame occupies a certain vertical space in the elevator shaft, and certain influence is caused on construction of other procedures in the elevator shaft.
5. The requirements for the quality of workers are high when the supports are manufactured and disassembled, and the installation can be completed smoothly only by the cooperation of two or more persons after the platform supports are formed.
The above problems are all the places where the conventional elevator shaft protection method needs to be improved. How to improve horizontal protective structure's security, simplify the platform and set up the degree of difficulty, reduce the platform and set up the cost. It is necessary to adopt a new protection method and a new process to solve the above problems.
Disclosure of Invention
The invention aims to provide a horizontal protective structure of an elevator shaft, which can be horizontally installed and cannot protrude from a door opening.
The technical scheme adopted by the invention for solving the technical problems is as follows: the elevator shaft horizontal protection structure comprises embedded components, horizontal protection rods and protection plates, wherein the embedded components are respectively arranged on two opposite side walls in an elevator shaft, each embedded component comprises a plurality of positioning jacks which are distributed at intervals in the horizontal direction, and the positioning jacks on the two opposite embedded components are in one-to-one correspondence; the horizontal protection rods are provided with a plurality of rods, the two ends of each horizontal protection rod are respectively inserted into corresponding positioning insertion holes in the two relative embedded components, the horizontal protection rods are sequentially distributed at intervals along the embedded components, and the protection plates are tiled on the horizontal protection rods.
Further, the method comprises the following steps: each embedded assembly comprises an embedded steel plate, a plurality of corner connectors and a plurality of precast concrete blocks, wherein the number of the precast concrete blocks is half of that of the corner connectors; two angle yards and a precast concrete piece constitute a jack unit, and two angle yards in every jack unit weld on pre-buried steel sheet, and precast concrete piece fixed mounting is provided with the location jack between two angle yards in this jack unit on the precast concrete piece.
Further, the method comprises the following steps: and the positions of the precast concrete blocks corresponding to the corner connectors on the two sides are provided with second screw holes, and the corner connectors on the two sides are provided with first screw holes to fixedly install the precast concrete blocks in the middle through screws.
Further, the method comprises the following steps: the positioning insertion hole is a blind hole or a through hole arranged on the precast concrete block, and one end of the opening of the positioning insertion hole penetrates out of the surface of the corresponding side wall in the elevator shaft.
Further, the method comprises the following steps: and the embedded steel plate is provided with a mounting hole for allowing the precast concrete block to pass through.
Further, the method comprises the following steps: the size of the embedded steel plate is as follows: the height is 80mm, the thickness is 3mm, and the length L is less than or equal to the width D of the corresponding side wall in the elevator shaft; the angle code is 90-degree equilateral angle steel, the thickness is 3mm, the width is 50mm, the length a is consistent with the corresponding width d of the precast concrete block, and the middle part of one side of the angle code, which is in contact with the precast concrete block, is provided with a first screw hole with a screw thread and the diameter of which is 4 mm; the middle part of precast concrete piece sets up the location jack, and the degree of depth of location jack is 50mm, the hole size of location jack and the tip size adaptation of the horizontal guard bar that corresponds, and the position that corresponds with both sides angle sign indicating number in the periphery both sides of precast concrete piece is provided with diameter 4mm and the second screw hole more than 10mm of degree of depth.
Further, the method comprises the following steps: the embedded steel plates are welded with vertical steel bars in the side walls of the corresponding sides in the elevator shaft.
Further, the method comprises the following steps: the horizontal guard bar is a telescopic and adjustable structure.
Further, the method comprises the following steps: the horizontal protection rod comprises a fixed rod and a telescopic rod, and an expansion joint is arranged between the fixed rod and the telescopic rod.
Further, the method comprises the following steps: the telescopic joint comprises a telescopic sleeve, a spring and a limiting end cover, one end of the telescopic sleeve is fixedly connected with one end of the fixed rod, the other end of the telescopic sleeve is provided with the limiting end cover, one end of the telescopic rod penetrates through the limiting end cover and then is inserted into the telescopic sleeve in a limiting mode through an expansion head structure of the end, the spring is arranged in the telescopic sleeve, and two ends of the spring are pre-compressed and tightly abutted between the fixed rod and a corresponding end of the telescopic rod.
The invention has the beneficial effects that:
1. the problem of protective structure and horizontal plane commonly used have certain contained angle, and the upper portion falls the thing and easily the bounce-back door opening, causes the potential safety hazard is solved.
2. The problem of traditional protective structure's partial horizontal component need stretch out behind the elevartor shaft door opening and support on the floor of door opening department and influence the closure of elevartor shaft door opening, occupy certain elevator antechamber space grade drawback is solved.
3. The horizontal protection rod and the horizontal protection plate in the protection structure can be conveniently disassembled and assembled, can be recycled, and reduces the cost.
4. The protective structure can be integrally and horizontally arranged, so that the vertical space in the elevator shaft is not occupied, and the influence on the construction of other procedures in the elevator shaft is reduced.
5. The protective structure is simple and easy to assemble, disassemble and use integrally, has low requirement on the skill of operators, and can be installed by simple training.
6. The horizontal protection rod, the protection plate, the corresponding embedded component and other structures in the protection structure can be detached and modularly assembled and disassembled, so that the using turnover efficiency of the protection structure can be improved.
Drawings
Fig. 1 is a top view of an elevator hoistway horizontal protective structure according to the present invention after installation;
FIG. 2 is a schematic view of the protection board of FIG. 1 after being hidden;
FIG. 3 is a front view of a portion of the fastener insert of the present invention;
FIG. 4 is a top half sectional view of a portion of the fastener insert of the present invention;
FIG. 5 is an enlarged view of a portion A of FIG. 4;
FIG. 6 is a front view of a precast concrete block;
FIG. 7 is a half sectional view of a precast concrete block;
FIG. 8 is a schematic view of an angle code;
FIG. 9 is a partial schematic view of a telescoping section of the horizontal guard bar;
labeled as: the novel concrete block fixing device comprises an embedded component 1, a horizontal protection rod 2, a protection plate 3, a positioning jack 4, an embedded steel plate 5, an angle connector 6, a precast concrete block 7, a second screw hole 8, a screw 9, a mounting hole 10, a first screw hole 11, a fixing rod 12, an expansion link 13, an expansion joint 14, an expansion sleeve 15, a spring 16, a limiting end cover 17, a side wall 18 and a vertical steel bar 19.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
It should be noted that, if there are directional indication terms, such as the terms of direction and orientation, above, below, left, right, front and back, in the present invention, for facilitating the description of the relative positional relationship between the components, the absolute position that is not the positional relationship between the related components and the components is specifically referred to, and is only used for explaining the relative positional relationship and the motion situation between the components in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly. When the present invention relates to a number, such as "a plurality", "several", etc., two or more than two are specifically referred to.
As shown in fig. 1 to 9, the horizontal protection structure of an elevator shaft according to the present invention includes embedded components 1, horizontal protection rods 2, and protection plates 3, where the embedded components 1 are respectively disposed on two opposite side walls 18 in the elevator shaft, each embedded component includes a plurality of positioning insertion holes 4 arranged at intervals along the horizontal direction, and the positioning insertion holes 4 on two opposite embedded components 1 are in one-to-one correspondence; horizontal protection pole 2 is provided with a plurality of roots, and in every horizontal protection pole 2's both ends inserted the location jack 4 that corresponds in two relative pre-buried subassemblies 1 respectively, a plurality of horizontal protection poles 2 set up along pre-buried subassembly 1 interval distribution in proper order, and protection shield 3 tiling sets up on horizontal protection pole 2.
The embedded assembly 1 is embedded into a corresponding side wall 18 in an elevator shaft, and specifically, the embedded assembly 1 is embedded into the corresponding side wall 18 during concrete pouring construction of the side wall; after the pre-burying construction of the pre-buried component 1 is completed, the corresponding positioning insertion holes 4 on the pre-buried component 1 penetrate out from the side wall 18 towards the inner side wall surface of the elevator shaft so as to be used for installing the horizontal protection rods 2 subsequently. Certainly, not generally, in the invention, a plurality of positioning insertion holes 4 should be arranged on each embedded assembly 1, so that the installation of a corresponding number of horizontal protection rods 2 can be met, and the horizontal protection rods 2 are tiled and distributed in the elevator shaft at intervals in parallel to serve as a horizontal platform structure for supporting the protection plate 3.
More specifically, each embedded component 1 comprises an embedded steel plate 5, a plurality of corner connectors 6 and a plurality of precast concrete blocks 7, wherein the number of the precast concrete blocks 7 is half of that of the corner connectors 6; two angle yards 6 and a precast concrete piece 7 constitute a jack unit, and two angle yards 6 welding in every jack unit are on pre-buried steel sheet 5, and precast concrete piece 7 fixed mounting is provided with location jack 4 between two angle yards 6 in this jack unit on precast concrete piece 7. Like this, can provide more firm anchor effect through pre-buried steel sheet 5, and through a precast concrete piece 7 of two angle sign indicating number 6 fixed mounting, then can ensure the joint strength of concrete piece 7 and pre-buried steel sheet 5. More specifically, in order to further improve the installation firmness of the embedded steel plates 5, the side walls 18 are usually made of reinforced concrete, and therefore the embedded steel plates 5 can be further welded and connected with the vertical steel bars 19 in the corresponding side walls 18 in the elevator shaft. The precast concrete block 7 is used for forming the positioning insertion hole 4 with a certain depth to meet the end insertion depth requirement of the horizontal protection rod 2. Specifically, as shown in the specific structure shown in fig. 1 and fig. 2, 9 jack units are arranged on a single embedded assembly 1 arranged on the corresponding side wall 18 of the elevator shaft; therefore, the two embedded assemblies 1 embedded in the side walls 18 at two sides can be used for positioning and installing 9 horizontal protection rods 2.
More specifically, the positioning insertion hole 4 may be a blind hole or a through hole formed in the precast concrete block 7, wherein the blind hole is preferably adopted, so that the concrete entering the positioning insertion hole 4 in the pre-burying process can be reduced. Of course, without loss of generality, the open end of the positioning socket 4 should protrude from the surface of the corresponding side wall 18 in the elevator shaft; if the structure is a blind hole structure, only one end is open, so the open end is toward the elevator shaft; in the case of a through hole, the opening end of either end may face the elevator shaft. Reference may be made in particular to the schematic structural illustrations shown in fig. 5 to 7, which show a blind via structure.
In addition, the present invention may further provide the pre-buried steel plate 5 with an installation hole 10 for allowing the precast concrete block 7 to pass therethrough. Therefore, the precast concrete blocks 7 can be fixedly installed on the embedded steel plates 5 through the corner connectors 6, and can also play a certain limiting role through the installation holes 10 by penetrating the installation holes 10.
In addition, more specifically, the invention provides a specific size example of the structure of each embedded component 1 as follows by combining the general elevator shaft size: the size of the embedded steel plate 5 is as follows: the height is 80mm, the thickness is 3mm, and the length L is less than or equal to the width D of the corresponding side wall 18 in the elevator shaft; the angle code 6 is an equilateral angle steel with 90 degrees, the thickness is 3mm, the width is 50mm, the length a is consistent with the corresponding width d of the precast concrete block 7, and the middle part of one side of the angle code 6, which is in contact with the precast concrete block 7, is provided with a first screw hole 11 with a screw thread and the diameter of which is 4 mm; the middle part of precast concrete piece 7 sets up location jack 4, and the degree of depth of location jack 4 is 50mm, and the hole size of location jack 4 and the tip size adaptation of the horizontal guard bar 2 that corresponds are provided with diameter 4mm and the second screw hole 8 of the more than 10mm of degree of depth in the position that the periphery both sides of precast concrete piece 7 and both sides angle sign indicating number 6 correspond.
In addition, the horizontal protection bar 2 is a bar structure for supporting the protection bar above, and specifically, the horizontal protection bar 2 may adopt a bar structure such as a steel bar, a steel pipe, and the like. In addition, in order to facilitate the installation of the horizontal protection bar 2, it is further preferable in the present invention that the horizontal protection bar 2 is configured to be telescopically adjustable. Specifically, referring to fig. 9, the horizontal protection bar 2 includes a fixed bar 12 and a telescopic bar 13, and a telescopic joint 14 is provided between the fixed bar 12 and the telescopic bar 13. The telescopic joint 14 comprises a telescopic sleeve 15, a spring 16 and a limiting end cover 17, one end of the telescopic sleeve 15 is fixedly connected with one end of the fixed rod 12, the other end of the telescopic sleeve 15 is provided with the limiting end cover 17, one end of the telescopic rod 13 is inserted into the telescopic sleeve 15 in a limiting manner through an expansion head structure of the end after passing through the limiting end cover 17, the spring 16 is arranged in the telescopic sleeve 15, and two ends of the spring 16 are pre-compressed and tightly abutted between corresponding ends of the fixed rod 12 and the telescopic rod 13. Therefore, the fixing rods 12 and the telescopic rods 13 at the two ends can be relatively folded towards the middle after the compression springs 16 are compressed, so that the length of the horizontal protection rod 2 is shortened, the two ends of the horizontal protection rod 2 are smoothly inserted into the corresponding positioning insertion holes 4 at the two sides, then the acting force of the compression springs 16 is sent out, the compression springs 16 restore to the positions to prop the fixing rods 12 and the telescopic rods 13 open, and then the two ends of the horizontal protection rod 2 are smoothly inserted into the corresponding positioning insertion holes 4 at the two sides and keep the insertion state. Of course, without loss of generality, after all the horizontal protection rods 2 are installed, a substantially horizontal platform covering the elevator shaft can be formed by all the horizontal protection rods 2, and then a protection plate 3 is laid above the platform to form an integral elevator shaft horizontal protection structure.
Claims (10)
1. Horizontal protective structure of elevartor shaft, its characterized in that: the elevator shaft embedded device comprises embedded components (1), horizontal protection rods (2) and protection plates (3), wherein the embedded components (1) are respectively arranged on two opposite side walls (18) in an elevator shaft, each embedded component comprises a plurality of positioning jacks (4) which are distributed at intervals in the horizontal direction, and the positioning jacks (4) on the two opposite embedded components (1) are in one-to-one correspondence; horizontal protection pole (2) are provided with a plurality of roots, and in the location jack (4) that correspond in two relative pre-buried subassemblies (1) were inserted respectively at the both ends of every horizontal protection pole (2), a plurality of horizontal protection poles (2) set up along pre-buried subassembly (1) interval distribution in proper order, and protection shield (3) tiling sets up on horizontal protection pole (2).
2. The elevator hoistway horizontal protective structure of claim 1, wherein: each embedded assembly (1) comprises an embedded steel plate (5), a plurality of corner connectors (6) and a plurality of precast concrete blocks (7), wherein the number of the precast concrete blocks (7) is half of that of the corner connectors (6); two angle sign indicating numbers (6) and a precast concrete piece (7) constitute a jack unit, and two angle sign indicating numbers (6) in every jack unit weld on pre-buried steel sheet (5), and precast concrete piece (7) fixed mounting is provided with location jack (4) between two angle sign indicating numbers (6) in this jack unit on precast concrete piece (7).
3. The elevator hoistway horizontal protective structure of claim 2, wherein: the second screw holes (8) are formed in the positions, corresponding to the corner connectors (6) on the two sides, of the precast concrete blocks (7), the first screw holes (11) are formed in the corner connectors (6) on the two sides, and the precast concrete blocks (7) are fixedly installed in the middle through the screws (9).
4. The elevator hoistway horizontal protective structure of claim 2, wherein: the positioning insertion holes (4) are blind holes or through holes arranged on the precast concrete blocks (7), and one open ends of the positioning insertion holes (4) penetrate out of the surfaces of the corresponding side walls (18) in the elevator shaft.
5. The elevator hoistway horizontal protective structure of claim 2, wherein: and the embedded steel plate (5) is provided with a mounting hole (10) allowing the precast concrete block (7) to pass through.
6. The elevator hoistway horizontal protective structure of claim 3, wherein: the size of the embedded steel plate (5) is as follows: the height is 80mm, the thickness is 3mm, and the length L is less than or equal to the width D of the corresponding side wall (18) in the elevator shaft; the angle brace (6) is a 90-degree equilateral angle steel, the thickness of the angle brace is 3mm, the width of the angle brace is 50mm, the length a of the angle brace is consistent with the corresponding width d of the precast concrete block (7), and the middle of one side of the angle brace (6) contacting the precast concrete block (7) is provided with a first screw hole (11) with a screw thread and the diameter of which is 4 mm; the middle part of precast concrete piece (7) sets up location jack (4), and the degree of depth of location jack (4) is 50mm, the hole size of location jack (4) and the tip size adaptation of the horizontal guard bar (2) that corresponds, and the position that corresponds in the periphery both sides of precast concrete piece (7) and both sides angle sign indicating number (6) is provided with diameter 4mm and the second screw hole (8) more than 10mm of degree of depth.
7. The elevator hoistway horizontal protective structure of claim 2, wherein: the embedded steel plates (5) are welded with vertical steel bars (19) in corresponding side walls (18) in the elevator shaft.
8. The elevator hoistway horizontal protective structure of any one of claims 1 to 7, wherein: the horizontal protection rod (2) is of a telescopic and adjustable structure.
9. The elevator hoistway horizontal protective structure of claim 8, wherein: the horizontal protection rod (2) comprises a fixed rod (12) and a telescopic rod (13), and a telescopic joint (14) is arranged between the fixed rod (12) and the telescopic rod (13).
10. The elevator hoistway horizontal protective structure of claim 9, wherein: the telescopic joint (14) comprises a telescopic sleeve (15), a spring (16) and a limiting end cover (17), one end of the telescopic sleeve (15) is fixedly connected with one end of the fixed rod (12), the other end of the telescopic sleeve (15) is provided with the limiting end cover (17), one end of the telescopic rod (13) penetrates through the limiting end cover (17) and then is inserted into the telescopic sleeve (15) in a limiting mode through an expansion head structure of the end, the spring (16) is arranged in the telescopic sleeve (15), and two ends of the spring (16) are abutted between corresponding ends of the fixed rod (12) and the telescopic rod (13) in a pre-compression mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011410872.7A CN112627560A (en) | 2020-12-04 | 2020-12-04 | Horizontal protective structure of elevator shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011410872.7A CN112627560A (en) | 2020-12-04 | 2020-12-04 | Horizontal protective structure of elevator shaft |
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| CN112627560A true CN112627560A (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011410872.7A Pending CN112627560A (en) | 2020-12-04 | 2020-12-04 | Horizontal protective structure of elevator shaft |
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| CN (1) | CN112627560A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114468574A (en) * | 2021-12-27 | 2022-05-13 | 苏州金螳螂软装艺术有限公司 | Pre-embedded installation method and structure of movable furniture |
| CN116145936A (en) * | 2023-02-27 | 2023-05-23 | 中国十九冶集团有限公司 | Assembled construction platform for elevator installation and installation method |
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| WO2019140521A1 (en) * | 2018-01-19 | 2019-07-25 | Jonathan Jonny Melic | Safety net and safety net components for multi-storey building construction |
| CN110952792A (en) * | 2019-11-19 | 2020-04-03 | 中建四局第六建设有限公司 | Regularization turnover elevator shaft horizontal protection structure and construction method thereof |
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| KR101012339B1 (en) * | 2010-09-30 | 2011-02-09 | (주)대진가설산업 | An expandable safety-shield installation device |
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| CN207092581U (en) * | 2017-08-16 | 2018-03-13 | 湖北广盛建设集团有限责任公司 | A kind of elevator provisional protection column |
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Application publication date: 20210409 |
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