CN211904632U - A place platform for stair structure capability test - Google Patents
A place platform for stair structure capability test Download PDFInfo
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- CN211904632U CN211904632U CN202020806888.9U CN202020806888U CN211904632U CN 211904632 U CN211904632 U CN 211904632U CN 202020806888 U CN202020806888 U CN 202020806888U CN 211904632 U CN211904632 U CN 211904632U
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- sliding seat
- base
- screw rod
- guide rail
- lifting
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- 238000012360 testing method Methods 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 2
- 238000011056 performance test Methods 0.000 description 11
- 238000010276 construction Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model relates to a placement platform for testing the structural performance of a stair, which is arranged on a foundation, and a base of the placement platform is fixed on the foundation; the guide rail is horizontally arranged on the base; the bottom of the front and rear sliding seats is provided with a roller; the roller is clamped on the guide rail and can roll along the surface of the guide rail, so that the front sliding seat and the rear sliding seat move along the extension direction of the guide rail; supporting blocks are arranged at the tops of the front sliding seat and the rear sliding seat; the lifting bracket is vertically arranged on one side of the base; the lifting driving motor is fixed on the lifting bracket; the bottom end of the screw rod is connected to a lifting driving motor and is driven by the lifting driving motor to rotate; the top end of the screw rod is pivoted with the lifting bracket; the upper and lower sliding seats are in threaded connection with the screw rod and are driven by the screw rod to lift. The utility model discloses simple structure, convenient to use, its position through the height of adjusting the upper and lower sliding seat and front and back sliding seat to can support the stair of different specifications, make this place the platform application scope wide.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a test equipment of stair performance, concretely relates to a place the platform for stair structural performance tests belongs to building engineering technical field.
[ background of the invention ]
In the traditional building, most of work needs to be finished on a construction site, and the problems of long construction period, serious environmental pollution, large stacking field, shortage of constructors and the like become barriers for inhibiting the progress of the building industry. The stair is an important building component, and the traditional stair needs to be subjected to formwork support, steel bar binding, concrete pouring and form removal in the construction process, and cannot be vertically transported by using the stair before the form removal.
With the transformation from the traditional building to the industrialized building, under the big background of the vigorous development of the assembled building in China, the prefabricated assembled staircases are also adopted in a large number of concrete assembled projects, and the prefabricated assembly is realized to a certain extent.
For the stairs in the steel structure assembly type building, a mechanical property test needs to be carried out on a stair test piece, for example, a prefabricated stair structure property test supporting mode is disclosed in page 10 A.1 of the building industry standard JG/T562 and 2018 precast concrete of the people's republic of China, and the prefabricated stairs are placed on a fixed hinged support and then are tested in a mode of adding a load block on the stairs. However, the fixed hinge supports have fixed spacing and height, and can only be tested for prefabricated staircases with specific specifications, and the universality is poor.
Therefore, in order to solve the above technical problems, it is necessary to provide an innovative placement platform for stair structure performance testing to overcome the above-mentioned drawbacks in the prior art.
[ Utility model ] content
In order to solve the problems, an object of the utility model is to provide a simple structure adjusts the convenience, and application scope is wide is used for stair structural performance test's place the platform.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a placement platform for testing the structural performance of a stair is arranged on a foundation and comprises a base, a guide rail, a front sliding seat, a rear sliding seat, a lifting bracket, a lifting driving motor, a screw rod and an upper sliding seat and a lower sliding seat; wherein the base is fixed on a foundation; the guide rail is horizontally arranged on the base; the bottom of the front sliding seat and the rear sliding seat is provided with a roller; the roller is clamped on the guide rail and can roll along the surface of the guide rail, so that the front sliding seat and the rear sliding seat move along the extension direction of the guide rail; the top of the front sliding seat and the rear sliding seat is provided with a supporting block; the lifting bracket is vertically arranged on one side of the base; the lifting driving motor is fixed on the lifting bracket; the bottom end of the screw rod is connected to a lifting driving motor and is driven by the lifting driving motor to rotate; the top end of the screw rod is pivoted with the lifting bracket; the upper and lower sliding seats are in threaded connection with the screw rod and driven by the screw rod to lift.
The utility model discloses a place the platform for stair structural performance test further sets up to: the guide rails are provided with two parallel guide rails, and a limiting strip is arranged between the two guide rails; a plurality of limiting grooves are uniformly distributed on the limiting strip; limiting plates are welded at the bottoms of the front sliding seat and the rear sliding seat; and a limiting bolt is clamped in any limiting groove and is connected with the limiting strip and the limiting plate.
The utility model discloses a place the platform for stair structural performance test further sets up to: the base is formed by welding and splicing 20# b channel steel, and a plurality of mounting feet are arranged on two sides of the base; the mounting feet are mounted on the foundation through expansion bolts.
The utility model discloses a place the platform for stair structural performance test further sets up to: inclined struts are respectively arranged on two sides of the lifting support; the bracing is connected to the base.
The utility model discloses a place the platform for stair structural performance test further sets up to: the lifting support is formed by welding and splicing HW 200X 200H-shaped steel.
The utility model discloses a place the platform for stair structural performance test further sets up to: guide wheels are respectively arranged on two sides of the upper sliding seat and the lower sliding seat; the guide wheel is limited in the H-shaped steel and can move up and down along the H-shaped steel.
The utility model discloses a place the platform for stair structural performance test still sets up to: the upper sliding seat and the lower sliding seat are horizontally arranged, and the supporting block is pivoted to the tops of the front sliding seat and the rear sliding seat; and the upper and lower sliding seats and the supporting block support a stair.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a place the platform for stair structural performance test simple structure, convenient to use, its position through the height of adjusting the upper and lower sliding seat and front and back sliding seat to can support the stair of different specifications, make this place the platform application scope wide.
[ description of the drawings ]
Fig. 1 is a perspective view of the placement platform for testing stair structure performance of the present invention.
Fig. 2 is an installation schematic diagram of the placement platform for testing stair structure performance of the present invention.
Fig. 3 is a partially enlarged view of a portion a in fig. 1.
Fig. 4 is a side view of fig. 2.
Fig. 5 is a partially enlarged view at B in fig. 4.
[ detailed description ] embodiments
Referring to the attached drawings 1 to 5 of the specification, the present invention relates to a placement platform for testing the performance of a stair structure, which is installed on a foundation 10 and comprises a base 1, a guide rail 2, a front sliding seat 3, a rear sliding seat 3, a lifting support 4, a lifting driving motor 5, a screw rod 6, an upper sliding seat 7, a lower sliding seat 7, and the like.
Wherein the base 1 is fixed on a foundation 10. Specifically speaking, the base 1 is formed by welding and splicing 20# b channel steel, and a plurality of mounting feet 11 are arranged on two sides of the base. The mounting feet 11 are mounted on the foundation 10 by expansion bolts 12.
The guide rail 2 is horizontally arranged on the base 1 and is arranged along the base 1 in the front-back direction. In the present embodiment, the guide rail 2 is provided with two parallel rails. A limit strip 8 is arranged between the two guide rails 2. A plurality of U-shaped limiting grooves 81 are uniformly distributed on the limiting strip 8.
The bottom of the front and rear sliding seats 3 is provided with a roller 31. The roller 31 is clamped on the guide rail 2 and can roll along the surface of the guide rail 2, so that the front and rear sliding seats 3 move along the extending direction of the guide rail 2. The top of the front and rear sliding seats 3 is provided with a supporting block 32, and in the present embodiment, the supporting block 32 is pivoted to the top of the front and rear sliding seats 3, so that the position of the supporting block 32 can be adjusted.
Further, a limiting plate 33 is welded at the bottom of the front and rear sliding seats 3; a limiting bolt 34 is clamped in the limiting groove 81 of any limiting strip 8 and connected with the limiting strip 8 and the limiting plate 33, so that the front and rear sliding seats 3 are locked, and the front and rear sliding seats 3 are prevented from moving after being adjusted in place.
The lifting support 4 is vertically arranged on one side of the base 1, and inclined struts 41 are respectively arranged on two sides of the lifting support; the inclined strut 41 is connected to the base 1, so that the stability of the lifting support 4 is greatly improved. In this embodiment, the lifting bracket 4 is formed by welding and splicing HW200 x 200H-shaped steel.
The lifting driving motor 5 is fixed on the bottom of the lifting bracket 4. The bottom end of the screw rod 6 is connected to the lifting driving motor 5 and is driven by the lifting driving motor 5 to rotate; the top end of the screw rod 6 is pivoted on the lifting bracket 4.
The upper and lower sliding seats 7 are in threaded connection with the screw rod 6 and are driven by the screw rod 6 to lift. The upper and lower sliding seats 7 and the supporting block 32 are both horizontally arranged; the up-down sliding seat 7 and the supporting block 32 support a staircase 9.
Further, guide wheels 71 are respectively installed on two sides of the upper and lower sliding seats 7; the guide wheel 71 is limited in the H-shaped steel of the lifting support 4 and can move up and down along the H-shaped steel, so that the lifting direction of the upper and lower sliding seats 7 is limited.
The utility model discloses a place the platform for stair structural performance test's theory of operation as follows: the positions of the front sliding seat and the rear sliding seat 3 are adjusted according to the length of the stairs, and the upper limiting bolt 34 is installed after the front sliding seat and the rear sliding seat 3 are adjusted in place, so that safety accidents caused by the movement of the front sliding seat and the rear sliding seat 3 are avoided. The height of the upper sliding seat 7 and the lower sliding seat 7 is adjusted according to the height of the stairs, namely, the screw rod 6 is driven to rotate by the rotation of the lifting driving motor 5, and the screw rod 6 rotates to drive the upper sliding seat 7 to lift along the radial direction of the screw rod 6. After the front and rear sliding seats 3 and the upper and lower sliding seats 7 are adjusted in place, the stairs 9 can be placed on the front and rear sliding seats 3 and the upper and lower sliding seats 7. And the stairs with different specifications can be supported through the positions of the front and rear sliding seats 3 and the upper and lower sliding seats 7, so that the application range of the placing platform is wide. The performance test process of the stair is explained in detail in the China "architecture industry standard JG/T562 and 2018 precast concrete of the people's republic of China", and is not repeated herein.
The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.
Claims (7)
1. The utility model provides a place the platform for stair structure capability test, its installation on the ground, its characterized in that: comprises a base, a guide rail, a front sliding seat, a rear sliding seat, a lifting bracket, a lifting driving motor, a screw rod and an upper sliding seat and a lower sliding seat; wherein the base is fixed on a foundation; the guide rail is horizontally arranged on the base; the bottom of the front sliding seat and the rear sliding seat is provided with a roller; the roller is clamped on the guide rail and can roll along the surface of the guide rail, so that the front sliding seat and the rear sliding seat move along the extension direction of the guide rail; the top of the front sliding seat and the rear sliding seat is provided with a supporting block; the lifting bracket is vertically arranged on one side of the base; the lifting driving motor is fixed on the lifting bracket; the bottom end of the screw rod is connected to a lifting driving motor and is driven by the lifting driving motor to rotate; the top end of the screw rod is pivoted with the lifting bracket; the upper and lower sliding seats are in threaded connection with the screw rod and driven by the screw rod to lift.
2. The landing platform for stair structure performance testing of claim 1, wherein: the guide rails are provided with two parallel guide rails, and a limiting strip is arranged between the two guide rails; a plurality of limiting grooves are uniformly distributed on the limiting strip; limiting plates are welded at the bottoms of the front sliding seat and the rear sliding seat; and a limiting bolt is clamped in any limiting groove and is connected with the limiting strip and the limiting plate.
3. The landing platform for stair structure performance testing of claim 1, wherein: the base is formed by welding and splicing 20# b channel steel, and a plurality of mounting feet are arranged on two sides of the base; the mounting feet are mounted on the foundation through expansion bolts.
4. The landing platform for stair structure performance testing of claim 1, wherein: inclined struts are respectively arranged on two sides of the lifting support; the bracing is connected to the base.
5. The landing platform for stair structure performance testing of claim 1, wherein: the lifting support is formed by welding and splicing HW 200X 200H-shaped steel.
6. The landing platform for stair structure performance testing of claim 5, wherein: guide wheels are respectively arranged on two sides of the upper sliding seat and the lower sliding seat; the guide wheel is limited in the H-shaped steel and can move up and down along the H-shaped steel.
7. The landing platform for stair structure performance testing of claim 5, wherein: the upper sliding seat and the lower sliding seat are horizontally arranged, and the supporting block is pivoted to the tops of the front sliding seat and the rear sliding seat; and the upper and lower sliding seats and the supporting block support a stair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020806888.9U CN211904632U (en) | 2020-05-15 | 2020-05-15 | A place platform for stair structure capability test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020806888.9U CN211904632U (en) | 2020-05-15 | 2020-05-15 | A place platform for stair structure capability test |
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| Publication Number | Publication Date |
|---|---|
| CN211904632U true CN211904632U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020806888.9U Active CN211904632U (en) | 2020-05-15 | 2020-05-15 | A place platform for stair structure capability test |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375954A (en) * | 2021-07-16 | 2021-09-10 | 江苏和天下节能科技股份有限公司 | Detection apparatus for prefabricated staircase |
| CN113670588A (en) * | 2021-07-27 | 2021-11-19 | 浙江宝业现代建筑工业化制造有限公司 | Test stand for testing structural performance of stairs with different specifications |
| CN115266168A (en) * | 2022-07-22 | 2022-11-01 | 浙江宝业现代建筑工业化制造有限公司 | A placement platform for structural performance testing of horizontal prefabricated components |
| CN116067637A (en) * | 2023-02-27 | 2023-05-05 | 无锡江炟建设工程质量检测有限公司 | General test device for performance test of prefabricated staircase structure |
-
2020
- 2020-05-15 CN CN202020806888.9U patent/CN211904632U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375954A (en) * | 2021-07-16 | 2021-09-10 | 江苏和天下节能科技股份有限公司 | Detection apparatus for prefabricated staircase |
| CN113670588A (en) * | 2021-07-27 | 2021-11-19 | 浙江宝业现代建筑工业化制造有限公司 | Test stand for testing structural performance of stairs with different specifications |
| CN115266168A (en) * | 2022-07-22 | 2022-11-01 | 浙江宝业现代建筑工业化制造有限公司 | A placement platform for structural performance testing of horizontal prefabricated components |
| CN116067637A (en) * | 2023-02-27 | 2023-05-05 | 无锡江炟建设工程质量检测有限公司 | General test device for performance test of prefabricated staircase structure |
| CN116067637B (en) * | 2023-02-27 | 2023-11-07 | 无锡江炟建设工程质量检测有限公司 | General test device for performance test of prefabricated staircase structure |
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