CN210289072U - Adjustable instrument formula elevartor shaft protection operation platform and operation are strutted - Google Patents
Adjustable instrument formula elevartor shaft protection operation platform and operation are strutted Download PDFInfo
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- CN210289072U CN210289072U CN201920697491.8U CN201920697491U CN210289072U CN 210289072 U CN210289072 U CN 210289072U CN 201920697491 U CN201920697491 U CN 201920697491U CN 210289072 U CN210289072 U CN 210289072U
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Abstract
The utility model provides an adjustable tool type elevator shaft protection operation platform and an operation support, which comprises a platform body, a first telescopic leg and a second telescopic leg; the platform body is a rectangular frame body, two adjacent sides of the platform body are respectively provided with a first telescopic leg, and a second telescopic leg is fixed at an included angle of the adjacent sides; the first telescopic leg makes telescopic motion perpendicular to the corresponding side edge of the platform body, and the second telescopic leg makes telescopic motion along a diagonal line passing through the included angle; one side of the two adjacent sides is the side facing away from the elevator shaft door opening; the first telescopic leg comprises 2 groups of telescopic mechanisms and adjusting mechanisms; the adjusting mechanism synchronously adjusts the 2 groups of telescopic mechanisms. Compared with the prior art, the utility model discloses an adjustable, repeatedly usable, instrument formula, liftable elevartor shaft construction operation protection platform is applicable to different cross sectional dimensions's elevartor shaft.
Description
Technical Field
The utility model relates to a construction technical field is an adjustable instrument formula elevartor shaft protection operation platform and operation are strutted particularly.
Background
The rise of the industry causes population to be concentrated in cities, so that land occupation is tense, the city range is still narrow due to gradual expansion, in order to build more building area in a smaller land range, buildings have to be developed to high-rise or even super high-rise, and the design of building structures also shows diversified development. In the construction of high-rise buildings, various construction safety accidents of adjacent edges and holes occur, in particular to the safety accidents of elevator shafts. The elevator shaft protection system is mainly characterized in that the elevator shaft protection system is located inside a building, is small in space, is inconvenient for construction operation such as formwork erection and is a safe weak link in the construction process, and therefore elevator shaft protection of the building is the most important of safety protection of the current construction site.
Among the prior art, protection in the elevator well and operation platform are mostly traditional console mode and detain or the perpendicular protection of formula steel pipe scaffold that encorbelments, generally set up highly higher, and there is great potential safety hazard and cost higher, field operation inconvenience in the work progress, and some needs reserve the hole on elevartor shaft wall concrete structure, cause certain damage to the concrete wall body, also increase secondary shutoff expense. Found through the literature retrieval, patent (CN 204040440U) discloses a instrument formula elevartor shaft operation platform, its upper surface is equipped with the promotion hoist, the left surface is equipped with anti-skidding insection, the lower surface is equipped with erects to prop, be equipped with the dog bottom erectting, this platform upper surface geometric dimensions is fixed, application scope is narrow, in addition, for the convenience of hoist and mount, this elevartor shaft operation platform upper surface and elevartor shaft inner wall can't laminate completely, consequently in actual construction, because platform upper portion quality is big, the easy emergence is toppled, there is certain potential safety hazard. The patent (CN 107687251A) discloses an elevator shaft operation platform and a construction method, and the platform comprises a platform, a vertical ladder and an inclined strut and can be integrally lifted, and the elevator shaft operation platform has the defects that the upper panel of the platform can not be adjusted, the vertical load is only transmitted to a lower structural beam through a short strut, and the integral stress of the structure is unreasonable. Patent (CN 208039791U) discloses a foldable elevator shaft lift-type operating platform, which comprises: the fixed platform, the folding platform, the joist, the ladder stand, the oblique connecting rod and the landing leg have the defects that the folding platform can only expand the platform in one direction, and the problem that the platform is difficult to hang in an elevator shaft still exists. Operation platform with adjustable shear force wall elevartor shaft that patent (CN 207484935U) disclosed, realize the platform extension through telescopic girder and telescopic crossbeam, this technique is not convenient for operate in the actual engineering, and the whole load of operation platform is transmitted through short little anti-falling landing leg, the whole atress of structure is unreasonable, in addition, girder and crossbeam all contain canned paragraph and flexible section, it is flexible to be difficult to realize girder and crossbeam under the load effect, and simultaneously, the bracing is fixed and is caused platform large tracts of land cantilever on canned paragraph stand and canned paragraph girder among the operation platform, be unfavorable for the whole bearing of structure.
In view of the above technical current situations of building markets and elevator shaft protection projects, it is urgently needed to develop a liftable elevator shaft protection operation platform and a matched construction method, wherein the liftable elevator shaft protection operation platform has the advantages of component toolization, assembly, factory production, operation braking, simplification and precision.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an adjustable instrument formula elevartor shaft protection operation platform improves stability, the holding power of elevartor shaft operation platform and strut, and is convenient for hoist and mount, and reuse rate is high.
The utility model discloses an above-mentioned technical problem is solved to following technical scheme:
an adjustable tool type elevator shaft protection operation platform comprises a platform body, a first telescopic leg and a second telescopic leg; the platform body is a rectangular frame body, two adjacent sides of the platform body are respectively provided with a first telescopic leg, and a second telescopic leg is fixed at an included angle of the adjacent sides; the first telescopic leg makes telescopic motion perpendicular to the corresponding side edge of the platform body, and the second telescopic leg makes telescopic motion along a diagonal line passing through the included angle; one side of the two adjacent sides is the side facing away from the elevator shaft door opening;
the first telescopic leg comprises 2 groups of telescopic mechanisms and adjusting mechanisms; the adjusting mechanism synchronously adjusts the 2 groups of telescopic mechanisms.
Preferably, the telescopic mechanism comprises a first connecting rod, a first sleeve, a first screw rod and a cushion block; the first connecting rod is vertical to the side edge of the platform body and is horizontally fixed, the other end of the first connecting rod is rotationally fixed with one end of a first sleeve, and the other end of the first sleeve is in threaded connection with one end of a first screw rod; the other end of the first screw rod is fixed with the cushion block; the two groups of telescopic mechanisms are arranged in parallel, and the two cushion blocks are connected through a connecting rod; the upper surface of the cushion block is coplanar with the upper surface of the platform body; the outer wall of the first sleeve is axially provided with screw teeth to form a gear section;
the adjusting mechanism comprises a rack, a rotary rod and a fixed rod; the bottom surface of the rack is provided with screw teeth, the screw teeth are parallel to the side edges of the platform body, are placed on the two first sleeves and are meshed with the gear section; the rack is provided with a long hole which is communicated up and down along the length direction, and one side of the long hole is provided with screw teeth; one end of the rotary rod is provided with a gear, the gear extends into the long hole to be meshed with the screw teeth on the side edge of the long hole, and the gear is tangent to the other side of the long hole; the rotary rod body is rotationally fixed with the fixed rod; the dead lever can be dismantled and fix on the platform body.
Preferably, the gear is also provided with a limit plate above; the width of the limiting plate is larger than that of the long hole; when the gear is meshed with the thread teeth in the long hole, the limiting plate is lapped on the upper surface of the rack.
Preferably, the fixed rod is an L-shaped rod body, the end part of the horizontal section of the fixed rod is rotationally fixed with the rod body of the rotating rod, the end part of the vertical section of the fixed rod is a prismatic section, and a prismatic hole matched with the end part of the vertical section is formed in the corresponding position of the platform body.
Preferably, the horizontal section and the rod body of the rotating rod are rotationally fixed through a bearing.
Preferably, two sides of the wire tooth section are provided with baffle rings, and the rack is limited between the two baffle rings.
Preferably, the second telescopic leg comprises a second connecting rod, a second loop bar, a second screw rod and a right-angle leg; the second connecting rod is fixed at the included angle part along the diagonal line and is coaxially and threadedly connected with the second sleeve rod, the other end of the second sleeve rod is coaxially and threadedly connected with one end of a second screw rod, and the other end of the second screw rod is fixed with the right-angle support leg; the highest point of the right-angle support leg is as high as the upper surface of the platform body.
The utility model also provides an adjustable tool type elevator shaft protection operation support, which comprises an operation platform and a support system; the operation platform is the operation platform; the supporting system comprises a main bearing part and an auxiliary bearing part; the lower end of the main bearing part is supported at the bottom edge of an elevator shaft door opening of the lower-layer structure, and the high end of the main bearing part supports one side of the lower surface of the platform body, which is far away from the elevator shaft door opening; the bottom end of the auxiliary bearing part is supported on the main bearing part, and the lower surface of the top supporting platform body is close to the other side of the elevator shaft door opening.
Preferably, the main bearing part comprises at least two parallel inclined struts, the at least two inclined struts are respectively arranged at two sides of the elevator shaft door opening, the lower ends of the inclined struts are fixedly provided with support legs, and the support legs are supported at the bottom edge of the elevator shaft door opening of the lower-layer structure; the auxiliary bearing parts comprise vertical braces with the same number as the inclined braces, each vertical brace corresponds to one inclined brace, the bottom end of each vertical brace is fixedly connected with an inclined brace rod body, and the high end of each vertical brace is fixedly connected with the platform body; and the vertical support is abutted against a wall body above the door opening of the elevator shaft of the lower-layer building.
Preferably, the support legs are of L-shaped structures and are clamped at right-angle edges of the bottom edge of the elevator shaft door opening.
The utility model has the advantages that:
1. the utility model discloses an adjustable, reusable, tool-type and liftable elevator shaft construction operation protection platform, which is suitable for elevator shafts with different section sizes; the utility model discloses an elevator shaft construction operation protection platform, which is characterized in that a first telescopic leg and a second telescopic leg are arranged at two side edges of a platform body, so that the area of an operation surface can be adjusted within a certain range, and two requirements of hoisting and filling the elevator shaft are met; the plurality of telescopic mechanisms are synchronously adjusted, the processes are consistent, the first telescopic legs and the second telescopic legs tightly prop against the inner wall of the elevator shaft, the purpose of fully filling the elevator shaft is achieved, and meanwhile, the horizontal dynamic load of the platform in the construction process can be effectively transmitted to the inner wall of the elevator shaft, so that the horizontal disturbance caused by the construction operation activity on the platform is avoided, the stability of the platform is ensured, and the supporting strength is improved; in addition, the platform body is abutted against the side of the door opening of the elevator shaft before being adjusted in the elevator shaft, so that an operator can conveniently enter the elevator shaft, and the safety factor is high;
2. the telescopic mechanism is stable in structure and exquisite in design, and particularly, the two cushion blocks are connected through the connecting rod to ensure that the two cushion blocks move axially along the first screw rod; the rack is matched with the gear section and the gear, so that the axial synchronous motion of the first screw rod is realized, and the stress balance of the upper surface of the platform in the horizontal direction is effectively ensured; the fixed rod is detachably fixed on the platform body, and an operator operates above the platform, so that the operation is convenient and fast, and the fixed rod can be quickly detached after adjustment;
3. the fixed rod is matched with the platform body through a polygonal hole, so that rapid matching and disassembly are realized;
4. after the telescopic mechanism is full of the elevator shaft, the cushion block is abutted against the side wall of the lower-layer structure of the elevator shaft, and the whole vertical load of the structure of the utility model can be transmitted to the lower-layer structure beam under the matching of the cushion block, the inclined strut, the vertical strut and the support leg, so that a scaffold does not need to be built from the bottom layer, and the structure is safe and stable;
5. the horizontal load of the platform is uniformly transmitted to the inner wall of the elevator shaft through the telescopic legs, the vertical load is transmitted to a lower layer of completed engineering structure through the main bearing part, and the lower end support legs of the inclined struts of the main bearing part are directly erected above right-angle sides at the bottom edge of the elevator shaft door opening;
6. the horizontal operation surface in the platform is matched with the size of the inner space of the elevator shaft, so that articles on the platform can be effectively prevented from falling in the construction process;
7. the both sides limit of this platform body sets up the flexible foot of first flexible foot and second, can adjust the working face area in the certain limit, full elevartor shaft inner space, so platform body area and from the weight average be less than traditional elevartor shaft protection platform, have small and exquisite, light, material saving, be convenient for hoist and mount etc. advantage.
Drawings
Fig. 1 is a schematic view of the overall structure of a work platform according to embodiment 1 of the present invention;
FIG. 2 is an enlarged view of detail A in FIG. 1;
fig. 3 is an axial sectional view schematically illustrating a first telescoping mechanism in embodiment 1 of the present invention;
fig. 4 is a schematic radial sectional view of a first telescoping mechanism in embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a second extendable leg in embodiment 1 of the present invention;
FIG. 6 is a schematic view showing the overall construction of an operation support in embodiment 2 of the present invention;
fig. 7 is a schematic side view of the operation support in the elevator shaft after leveling in embodiment 2 of the invention.
Detailed Description
In order to further understand and appreciate the structural features and advantages of the present invention, preferred embodiments and the accompanying drawings are described in detail as follows:
example 1
As shown in fig. 1 and 2, an adjustable tool type elevator shaft protection operation platform comprises a platform body 1, a first telescopic leg 2 and a second telescopic leg 3; the platform body 1 is a rectangular frame body welded by profile steel, two adjacent sides of the rectangular frame body are respectively provided with a first telescopic leg 2, and an included angle of the adjacent sides is fixed with a second telescopic leg 3; the first telescopic leg 2 makes telescopic motion vertical to the corresponding side edge of the platform body 1, and the second telescopic leg 3 makes telescopic motion along a diagonal line passing through the included angle; one of the first telescopic legs 2 is mounted on the platform body 1 on the side facing away from the elevator shaft opening 10.
As shown in fig. 3 and 4, the first telescopic leg 2 comprises two sets of telescopic mechanisms 21 and adjusting mechanisms 22; the telescoping mechanism 21 comprises a first connecting rod 211, a first sleeve 212, a first screw rod 213, a cushion block 214 and a limiting sleeve 215; first connecting rod 211 can be the platform body 1 interior strengthening rib extends to the outside one section body of rod of platform body to reach the reduction welding point, improve the bulk strength's of platform body 1 purpose, many strengthening rib cross position welded fastening. The free end of the first connecting rod 211 is provided with an outward ring 2111, the inner cavity of one end of the first sleeve 212 is provided with a sealing plate 2121 at a certain distance from the end, the outer wall is provided with an external thread, one end of the limiting sleeve 215 is provided with an inner ring 2151 extending towards the inner circular direction, and the inner wall of the limiting sleeve is provided with an internal thread. When the device is installed, the limiting sleeve 215 is sleeved on the first connecting rod 211 and is screwed and fixed with the first sleeve 212, and the outer ring 2111 is limited between the inner ring 2151 and the sealing plate 2121. In order to reduce the friction between the first connecting rod 211 and the first sleeve 212 during rotation, the present embodiment further includes an annular slide groove 2125 formed on the sealing plate 2121, a plurality of balls 2124 are mounted in the slide groove 2125, and the outer ring 2111 and the sealing plate 2121 are connected by the balls 2124 in a rolling manner. By the limiting fit of the limiting sleeve 215 and the sealing plate 2121, the cushion block 214 cannot retract when subjected to a wall or other reaction force. The other end of the first sleeve 212 is in threaded connection with one end of a first screw rod 213; the other end of the first screw rod 213 is fixed with a cushion block 214; the two groups of telescopic mechanisms 21 are arranged in parallel, and the two cushion blocks 214 are connected through a connecting rod 215; the upper surface of the cushion block 214 is coplanar with the upper surface of the platform body 1; the outer wall of the first sleeve 212 is axially configured with screw teeth to form a gear section 2122; two sides of the gear section 2122 are provided with retaining rings 2123, and the width between the two retaining rings 2123 is equal to the width of the rack 221, so as to limit the rack 221 from moving back and forth.
The adjusting mechanism 22 comprises a rack 221, a rotary rod 222 and a fixed rod 223; the bottom surface of the rack 221 is configured with screw teeth, and is placed on the two first sleeves 212 parallel to the side of the platform body 1, and is limited between the two retaining rings 2123, and is meshed with the gear section 2122. The rack 221 is limited between the two retaining rings 2123, so that the rack 221 is prevented from moving back and forth.
The rack 221 is provided with a long hole 2211 which is through up and down along the length direction, one side of the long hole 2211 is provided with screw teeth, the rotating rod 222 is vertically arranged, the bottom end of the rotating rod is provided with a gear 2221, the gear 2221 extends into the long hole 2211, one side of the gear is meshed with the screw teeth in the long hole 2211, and the other side of the gear is tangent to the other side of the long hole 2211; a limit plate 2222 is further arranged above the gear 2221; the width of the limit plate 2222 is greater than the width of the long hole 2211; when the gear 2221 is engaged with the internal thread of the long hole 2211, the limit plate 2222 is engaged with the upper surface of the rack 221.
The fixed pole 223 is the L type body of rod, and the tip of its horizontal segment passes through the bearing rotation with the body of rod of swing arm 222 to be fixed, and the swing arm 222 after fixing is perpendicular with the horizontal segment, and the tip of vertical section is the polygon cross-section, and what this embodiment given is that square cross-section is seted up and have and vertical section tip complex prism shape hole 11 in the relevant position of platform body 1, and this embodiment is the quad slit. Hexagonal hole 2220 is opened at the top of swing arm 222, which is convenient for handle installation and operation.
As shown in fig. 4, the second telescopic leg 3 comprises a second connecting rod 31, a second sleeve rod 32, a second lead screw 33 and a right-angle leg 34; the second connecting rod 31 is fixed at the included angle along the diagonal, and also can stretch out one section of body of rod outside the body for the diagonal strengthening rib of platform body 1, is generally in the below of violently indulging the muscle, and square timber is laid to the top of being convenient for. The second connecting rod 31 is provided with an external thread and is coaxially and threadedly connected with the second sleeve rod 32, the other end of the second sleeve rod 32 is coaxially and threadedly connected with one end of a second screw rod 33, and the other end of the second screw rod 33 is fixed with a right-angle support leg 34; the highest point of the right angle foot 34 is level with the upper surface of the platform body. Through rotating second loop bar 32, realize that second lead screw 33 extends, drive the right angle and support in elevator shaft wall angle department, for the ease of manual or adopt the spanner to rotate second loop bar 32, can adopt prismatic type loop bar.
Example 2
As shown in fig. 5 and 6, the embodiment provides an adjustable tool room elevator shaft protection operation support, which comprises an operation platform and a support system; the working platform is the working platform in the embodiment 1 or the embodiment 2; the supporting system comprises a main bearing part and an auxiliary bearing part; the lower end of the main bearing part is supported at the bottom edge of an elevator shaft door opening 10 of the lower-layer structure, and the lower surface of the high-end supporting platform body 1 is far away from one side of the elevator shaft door opening 10; the bottom end of the auxiliary bearing part is supported on the main bearing part, and the lower surface of the top supporting platform body 1 is close to the other side of the elevator shaft door opening 10.
The main bearing part provided by the embodiment comprises at least two parallel inclined struts 41, the at least two inclined struts 41 are respectively arranged at two sides of the elevator shaft door opening 10, the lower ends of the inclined struts 41 are fixed with supporting legs 42, the supporting legs 42 are of an L-shaped structure, and the supporting legs 42 are clamped at right-angle edges at the bottom edge of the elevator shaft door opening 10. The two struts 414 are also connected by a construction rod 40 to improve stability. The auxiliary bearing parts comprise vertical braces 51 with the same number as the inclined braces 41, each vertical brace 51 corresponds to one inclined brace 41, the bottom end of each vertical brace 51 is fixedly connected with the rod body of the inclined brace 41, and the high end of each vertical brace is fixed on the lower surface of the platform body 1; the vertical supports 51 abut against the wall above the elevator shaft door opening 10 of the lower-story building. The two vertical struts 51 are connected by the construction rod 40 to improve stability.
The construction and installation method comprises the following steps: (1) hoisting: connecting a steel wire rope at a lifting ring of the platform, firmly fixing, and then lifting an elevator shaft protection operation support to a position above a position to be installed in the elevator shaft according to the safety operation rules of the tower crane; (2) primary installation: under the command of a hoisting commander, the L-shaped support leg 42 at the lower part of the platform is clamped on the lower-layer structural beam through the in-place hook, and one corner of the fixed panel, which is not provided with the oblique telescopic leg, is attached to the inner corner of the elevator shaft; (3) coarse adjustment: preliminarily fixing the L-shaped support leg 42 at the lower part of the platform by reserving foundation bolts, and then adjusting the second telescopic leg 3 to enable the end part of the oblique telescopic leg to tightly prop against the inner angle of the elevator shaft adjacent to the oblique telescopic leg; (4) and (3) precise adjustment: the first telescopic leg 2 is adjusted through the rotary rod 222 to be tightly propped against the inner wall surface of the elevator shaft, the flatness of the platform body is checked by using a horizontal ruler, the fixed rod 223 (together with the rotary rod 222) and the rack 221 are pulled out after the design requirements are met, and then the foundation bolt of the L-shaped leg 42 at the lower part of the fixed platform is screwed down; (5) dismantling the steel wire rope of the tower crane to finish the mounting and fixing operation of the supporting platform in the elevator shaft operation, as shown in fig. 6; (6) installing a horizontal operation surface: the method comprises the following steps that square wood and a template are sequentially laid on the upper portion of an elevator shaft protection operation platform, the square wood and the template are fixed through nails, and the template is fully laid in the space in the elevator shaft to form a horizontal operation surface; (7) the turnover use: after the wall templates at the elevator shaft position are completely removed, when concrete reaches the strength of a person, the platform can be removed for turnover, before the platform is removed, firstly, materials which can slide off the horizontal operation surface are cleaned, then, the templates and the square timber are sequentially removed from top to bottom, then, a steel wire rope is connected at the lifting ring of the platform, then, foundation bolts of L-shaped supporting legs 42 at the lower part of the fixed platform are screwed off, a rack 221 and a fixed rod 223 (installed together with a rotary rod 222) are installed, the first telescopic leg 2 and the second telescopic leg 3 are adjusted to retract, and then, the platform is lifted to a corresponding construction layer through a tower crane, and then, the steps of (1) to (6) are repeated to complete the turnover, use and.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an adjustable instrument formula elevartor shaft protection operation platform which characterized in that: comprises a platform body, a first telescopic leg and a second telescopic leg; the platform body is a rectangular frame body, two adjacent sides of the platform body are respectively provided with a first telescopic leg, and a second telescopic leg is fixed at an included angle of the adjacent sides; the first telescopic leg makes telescopic motion perpendicular to the corresponding side edge of the platform body, and the second telescopic leg makes telescopic motion along a diagonal line passing through the included angle; one side of the two adjacent sides is the side facing away from the elevator shaft door opening;
the first telescopic leg comprises 2 groups of telescopic mechanisms and adjusting mechanisms; the adjusting mechanism synchronously adjusts the 2 groups of telescopic mechanisms.
2. The adjustable tool-type elevator shaft protective working platform according to claim 1, characterized in that: the telescopic mechanism comprises a first connecting rod, a first sleeve, a first screw rod and a cushion block; the first connecting rod is vertical to the side edge of the platform body and is horizontally fixed, the other end of the first connecting rod is rotationally fixed with one end of a first sleeve, and the other end of the first sleeve is in threaded connection with one end of a first screw rod; the other end of the first screw rod is fixed with the cushion block; the two groups of telescopic mechanisms are arranged in parallel, and the two cushion blocks are connected through a connecting rod; the upper surface of the cushion block is coplanar with the upper surface of the platform body; the outer wall of the first sleeve is axially provided with screw teeth to form a gear section;
the adjusting mechanism comprises a rack, a rotary rod and a fixed rod; the bottom surface of the rack is provided with screw teeth, the screw teeth are parallel to the side edges of the platform body, are placed on the two first sleeves and are meshed with the gear section; the rack is provided with a long hole which is communicated up and down along the length direction, and one side of the long hole is provided with screw teeth; one end of the rotary rod is provided with a gear, the gear extends into the long hole to be meshed with the screw teeth on the side edge of the long hole, and the gear is tangent to the other side of the long hole; the rotary rod body is rotationally fixed with the fixed rod; the dead lever can be dismantled and fix on the platform body.
3. The adjustable tool-type elevator shaft protective working platform according to claim 2, characterized in that: the gear is also provided with a limiting plate above; the width of the limiting plate is larger than that of the long hole; when the gear is meshed with the thread teeth in the long hole, the limiting plate is lapped on the upper surface of the rack.
4. An adjustable tool elevator shaft protective work platform according to claim 2 or 3, characterized in that: the fixed rod is an L-shaped rod body, the end part of the horizontal section of the fixed rod is rotationally fixed with the rod body of the rotating rod, the end part of the vertical section of the fixed rod is a prismatic section, and a prismatic hole matched with the end part of the vertical section is formed in the corresponding position of the platform body.
5. The adjustable tool elevator shaft protective working platform according to claim 4, characterized in that: the horizontal section is rotationally fixed with the rod body of the rotary rod through a bearing.
6. The adjustable tool-type elevator shaft protective working platform according to claim 2, characterized in that: and two sides of the wire tooth section are provided with baffle rings, and the rack is limited between the two baffle rings.
7. The adjustable tool-type elevator shaft protective working platform according to claim 1, characterized in that: the second telescopic leg comprises a second connecting rod, a second sleeve rod, a second screw rod and a right-angle leg; the second connecting rod is fixed at the included angle part along the diagonal line and is coaxially and threadedly connected with the second sleeve rod, the other end of the second sleeve rod is coaxially and threadedly connected with one end of a second screw rod, and the other end of the second screw rod is fixed with the right-angle support leg; the highest point of the right-angle support leg is as high as the upper surface of the platform body.
8. The utility model provides an adjustable instrument room elevartor shaft protection operation is strutted, its characterized in that: comprises a working platform and a supporting system; the work platform is the work platform of any one of claims 1 to 7; the supporting system comprises a main bearing part and an auxiliary bearing part; the lower end of the main bearing part is supported at the bottom edge of an elevator shaft door opening of the lower-layer structure, and the high end of the main bearing part supports one side of the lower surface of the platform body, which is far away from the elevator shaft door opening; the bottom end of the auxiliary bearing part is supported on the main bearing part, and the lower surface of the top supporting platform body is close to the other side of the elevator shaft door opening.
9. The adjustable tool room elevator shaft protective working support of claim 8, wherein: the main bearing part comprises at least two inclined struts which are arranged in parallel, the at least two inclined struts are respectively arranged on two sides of an elevator shaft door opening, the lower ends of the inclined struts are fixedly provided with support legs, and the support legs are supported on the bottom edge of the elevator shaft door opening of the lower-layer structure; the auxiliary bearing parts comprise vertical braces with the same number as the inclined braces, each vertical brace corresponds to one inclined brace, the bottom end of each vertical brace is fixedly connected with an inclined brace rod body, and the high end of each vertical brace is fixedly connected with the platform body; and the vertical support is abutted against a wall body above the door opening of the elevator shaft of the lower-layer building.
10. The adjustable tool room elevator shaft protective working support of claim 9, wherein: the supporting legs are of L-shaped structures and are clamped at right-angle edges of the bottom edge of the elevator shaft door opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920697491.8U CN210289072U (en) | 2019-05-15 | 2019-05-15 | Adjustable instrument formula elevartor shaft protection operation platform and operation are strutted |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920697491.8U CN210289072U (en) | 2019-05-15 | 2019-05-15 | Adjustable instrument formula elevartor shaft protection operation platform and operation are strutted |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005186A (en) * | 2019-05-15 | 2019-07-12 | 合肥建工集团有限公司 | An adjustable tool type elevator shaft protection operation platform and operation support |
| CN113863647A (en) * | 2021-11-11 | 2021-12-31 | 中建科技集团有限公司 | Self-lifting elevator shaft protection operation platform suitable for multiple calibers |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005186A (en) * | 2019-05-15 | 2019-07-12 | 合肥建工集团有限公司 | An adjustable tool type elevator shaft protection operation platform and operation support |
| CN113863647A (en) * | 2021-11-11 | 2021-12-31 | 中建科技集团有限公司 | Self-lifting elevator shaft protection operation platform suitable for multiple calibers |
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