CN113235954B - Positioning frame for sliding support base plate and construction method of sliding support stair - Google Patents
Positioning frame for sliding support base plate and construction method of sliding support stair Download PDFInfo
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- CN113235954B CN113235954B CN202110596776.4A CN202110596776A CN113235954B CN 113235954 B CN113235954 B CN 113235954B CN 202110596776 A CN202110596776 A CN 202110596776A CN 113235954 B CN113235954 B CN 113235954B
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- support
- plate
- base
- sliding
- base plate
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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
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Connection Of Plates (AREA)
Abstract
The application relates to a positioning frame for a sliding support base plate, which comprises a fixing device and a tensioning device; the fixing device comprises a base and a fixing mechanism for fixing the base on the pouring template; the tensioning device comprises a support arranged on the base and a clamping mechanism arranged on the support, wherein the clamping mechanism comprises two oppositely arranged clamping plates and a locking assembly used for controlling the two clamping plates to clamp the base plate; the tensioning device also comprises a force application mechanism which applies tension to the backing plate through the two clamping plates. The positioning frame can effectively ensure the levelness and the flatness of the base plate, thereby ensuring the construction quality of the base plate. The application also relates to a construction method of the sliding support stair, which comprises the steps of building a pouring template, erecting a positioning frame, pouring and removing the template, wherein the positioning frame tensions the base plate, so that the smoothness of the base plate is ensured, and the construction quality of the base plate and the sliding support stair can be effectively ensured.
Description
Technical Field
The invention relates to the technical field of stair construction equipment, in particular to a positioning frame for a sliding support base plate and a construction method of a sliding support stair.
Background
At present, a common mode of stairs of a building is a plate-type stair, but the stair-type stair has poor earthquake resistance and low safety during an earthquake, so that the escape function of the building during the earthquake is seriously influenced. As a substitute of a plate stair, the replacement of the sliding support stair is widely applied to various buildings with higher requirements on earthquake-resistant performance due to good earthquake resistance.
The sliding support stair is named because the sliding support base plate is arranged at the joint of the lower end of the stair section plate and the platform beam. The material of the sliding support base plate is usually steel plate or polytetrafluoroethylene plate to ensure effective sliding between the stair and the platform. Generally, the sliding support base plate is fixed on a pouring template before the platform or pouring, namely fixed on a bench slab or a platform beam in an embedded mode.
And for the base plate made of polytetrafluoroethylene materials, because the base plate is made of flexible materials, the flatness of the base plate needs to be guaranteed, and the base plate can effectively support the stairs. Therefore, the staff need constantly adjust the gesture of backing plate when fixed backing plate to guarantee that the backing plate is in the horizontality, can influence the installation effectiveness of backing plate. And when concreting, the backing plate receives the impact when the concrete flows easily, and the backing plate takes place the skew easily this moment, is unfavorable for guaranteeing the installation quality of backing plate.
Disclosure of Invention
In order to improve the installation efficiency of the sliding support base plate and the construction quality of the sliding support base plate, the application provides a positioning frame for the sliding support base plate and a construction method of a sliding support stair.
On the one hand, this application provides a locating rack for slip support backing plate, adopts following technical scheme:
a positioning frame for a sliding support base plate comprises a fixing device and a tensioning device; the fixing device comprises a base and a fixing mechanism for fixing the base on the pouring template;
the tensioning device comprises a support arranged on the base and a clamping mechanism arranged on the support, wherein the clamping mechanism comprises two oppositely arranged clamping plates and a locking assembly used for controlling the two clamping plates to clamp the base plate; the tensioning device also comprises a force application mechanism which applies tensile force to the base plate through the two clamping plates.
Through adopting above-mentioned technical scheme, when installing sliding support on the template, at first fix fixed establishment on the template, make the base be in stable state, use clamping mechanism to press from both sides tight fixed to the backing plate afterwards, operation stressing mechanism applys appropriate pulling force to the backing plate afterwards, can flatten the backing plate, guarantees the planarization and the stability of backing plate to promote construction quality and efficiency of construction.
Preferably, the fixing mechanism comprises a support stud arranged on the base in a penetrating mode, and the support stud is matched with the base in a rotating mode.
Through adopting above-mentioned technical scheme, the staff only need bore the screw hole on the template, can install the support double-screw bolt on the template, effectively promotes the convenience of locating rack installation.
Preferably, the support stud is sleeved with a leveling plate, and the leveling plate is in threaded fit with the support stud; the side wall of the leveling plate is provided with a through hole, and the through hole is communicated with the threaded hole on the leveling plate;
a limiting bolt is in threaded fit with the inner part of the through hole; and one side of the limiting bolt, which faces the supporting stud, is provided with an ejector rod, and the ejector rod is in sliding fit with the through hole.
Through adopting above-mentioned technical scheme, spacing bolt can promote ejector pin and support double-screw bolt butt to make the screed-plate fix on the support double-screw bolt, consequently the staff can adjust the base through the position of adjusting the screed-plate, thereby guarantees the horizontality of backing plate under the tension state.
Preferably, the base is provided with a sliding groove, the support is arranged in the sliding groove in a sliding manner, and the base is provided with a fastening bolt for fixing the support.
Through adopting above-mentioned technical scheme, the staff can adjust the position of support to in the position of adjusting the power application mechanism, thereby be convenient for guarantee the position accuracy of backing plate.
Preferably, the base is provided with a central hole, the sliding groove is positioned on the inner wall of the central hole, and the sliding groove is arranged around the periphery of the central hole;
the periphery of the support is provided with a flange matched with the sliding groove, the diameter of the flange is larger than that of the central hole, and the diameter of the support is smaller than that of the central hole; the fastening bolt penetrates through the base and extends into the sliding groove.
Through adopting above-mentioned technical scheme, the support can move in the vertical direction, consequently is convenient for the staff and adjusts the position of support in a flexible way, the use of the locating rack of being convenient for.
Preferably, the force applying mechanism comprises a tension screw rod arranged on the support in a penetrating manner and a tension plate arranged on the tension screw rod; the two clamping plates are arranged on the tension plate, and one clamping plate is fixed on the tension plate.
Through adopting above-mentioned technical scheme, use two splint to carry out the centre gripping to the backing plate to rotate stretch-draw screw, can apply the pulling force to the backing plate, the staff operation of being convenient for.
Preferably, the support comprises a sliding plate and a spherical seat, the sliding plate is provided with a placing hole matched with the spherical seat, and the inner wall of the placing hole is arranged in a cambered surface fitted with the spherical seat; the tensioning screw rod penetrates through the spherical seat and is in threaded connection with the spherical seat.
Through adopting above-mentioned technical scheme, the setting up of spherical seat makes the staff can adjust the angle of stretch-draw screw rod to in the levelness and the position accuracy of assurance backing plate, the staff of being convenient for uses.
Preferably, the locking assembly comprises a locking bolt and a locking nut matched with the locking bolt; the two clamping plates are respectively provided with a bolt hole for a locking bolt to pass through; and one side of each of the two opposite clamping plates is provided with a rodent.
Through adopting above-mentioned technical scheme, the stability of two splint can be guaranteed to the locking bolt, and the rodent can be clenched the backing plate when splint press from both sides tightly the backing plate, guarantees the stability of backing plate.
On the other hand, the application provides a construction method of a sliding support stair, which comprises the following steps:
1) building a pouring template;
2) erecting a positioning frame; using two positioning frames, and respectively placing the two positioning frames on two sides of the pouring template; fixing the base on the template through a fixing mechanism; clamping two ends of the base plate by using a clamping mechanism, and applying a pulling force to the base plate by using a force application mechanism to keep the base plate flat;
3) pouring, namely pouring concrete in the template;
4) and removing the mold, removing the positioning frame and the pouring template, and cutting the part of the base plate extending to one side of the stair.
Through adopting above-mentioned technical scheme, strain the backing plate through using the locating rack to guarantee the planarization of backing plate, consequently can effectively guarantee the construction quality of backing plate and sliding support stair.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the working personnel can clamp and fix the base plate by using the clamping plate, then the tensioning screw rod is rotated, so that tension can be applied to the base plate, the smoothness of the base plate is ensured, meanwhile, the angle of the tensioning screw rod and the position of the support can be adjusted, the position precision of the positioning frame for positioning the base plate is effectively ensured, and the construction quality of the base plate is effectively ensured;
2. the leveling plate is sleeved on the supporting stud and can be fixed on the supporting stud through the limiting bolt and the ejector rod, so that a worker can adjust the base through adjusting the position of the leveling plate, and the levelness of the base plate in a tensioning state is guaranteed.
Drawings
FIG. 1 is a schematic view of a sliding support mat mounted to a casting form with a spacer according to an embodiment of the present disclosure;
FIG. 2 is a schematic view showing a positioning frame for a slide mount pad in the embodiment of the present application;
FIG. 3 is a schematic view for demonstrating the mating relationship between the screed plate and the support studs;
FIG. 4 is a schematic diagram illustrating the connection between the force applying mechanism and the base;
fig. 5 is a schematic structural view of the urging mechanism and the support.
In the drawings, the reference numbers: 1. a fixing device; 11. a base; 111. fastening a bolt; 12. a fixing mechanism; 121. a support stud; 122. a leveling plate; 123. a limit bolt; 124. a top rod; 2. a tensioning device; 21. a support; 211. a slide plate; 212. a spherical seat; 22. a clamping mechanism; 221. a splint; 222. locking the bolt; 223. locking the nut; 224. a rodent; 23. a force applying mechanism; 231. stretching the screw; 232. a stressing rod; 233. a tension plate; 3. a template; 4. a backing plate.
Detailed Description
The present invention is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a locating rack for a sliding support base plate. Referring to fig. 1 and 2, the spacer for a sliding support mat includes a fixing device 1, and the fixing device 1 includes a base 11 and a fixing mechanism 12 provided on the base 11. The fixing mechanism 12 includes four support studs 121 penetrating the base 11, and the four support studs 121 are parallel to each other and are all mounted on the base 11 through bearings, so that each support stud 121 can rotate on the base 11. The base 11 is mounted on the casting form 3 by drilling threaded holes in the casting form 3 in advance and fitting the support studs 121 with the threaded holes. Be provided with tensioning device 2 on base 11, tensioning device 2 is including setting up support 21 on base 11 and clamping mechanism 22 and the additional force mechanism 23 of setting on support 21, and clamping mechanism 22 is located between base 11 and the template 3 of pouring to can press from both sides tightly 4 tip of backing plate, and the staff can operate additional force mechanism 23 and apply the pulling force to backing plate 4, guarantee the planarization of backing plate 4.
Referring to fig. 2 and 3, a leveling plate 122 is further sleeved on the support stud 121, and the leveling plate 122 is in threaded fit with the support stud 121, so that a worker can rotate the leveling plate 122, thereby adjusting the position of the leveling plate 122 on the support stud 121. The side wall of the leveling plate 122 is provided with a through hole communicated with the threaded hole on the leveling plate 122, the through hole is also provided with a threaded hole, and the through hole is internally matched with a limit bolt 123. The limit bolt 123 is provided with a top rod 124 on one side facing the support stud 121, and when the worker screws the limit bolt 123, the end of the top rod 124 can be controlled to abut against the support stud 121, so that the leveling plate 122 can be fixed on the support stud 121.
Referring to fig. 3, the end of ram 124 can mate with threads on support stud 121, thereby preventing ram 124 from causing significant damage to support stud 121.
Referring to fig. 4 and 5, the support 21 includes a sliding plate 211, a central hole for placing the sliding plate 211 is opened at a central position of the base 11, a sliding groove is opened on an inner wall of the central hole, and the sliding groove is disposed around a peripheral side of the central hole. The side wall of the sliding plate 211 is provided with a flange matched with the sliding chute, the diameter of the flange is larger than that of the central hole, and the diameter of the sliding plate 211 is smaller than that of the central hole, so that the sliding plate 211 can slide on the base 11 to adjust the position of the sliding plate 211. The base 11 is further provided with a fastening bolt 111, the fastening bolt 111 penetrates through the base 11, and the end portion of the fastening bolt 111 extends into the sliding chute and abuts against the flange, so that the sliding plate 211 is fixed.
Referring to fig. 4 and 5, the support 21 further includes a spherical seat 212 disposed at a central position of the sliding plate 211, and the sliding plate 211 is opened with a placing hole matched with the spherical seat 212, and the placing hole is in surface contact with the spherical seat 212, so that the spherical seat 212 can rotate on the support 21.
Referring to fig. 4, the force applying mechanism 23 includes a tension screw 231 inserted into the spherical seat 212 and threadedly engaged with the spherical seat 212, and one end of the tension screw 231 extends to a side of the base 11 facing away from the form 3 and is connected to a force applying rod 232, so that a worker can conveniently operate the tension screw 231. The other end of the tension screw 231 extends between the formwork 3 and the base 11 and the formwork 3 and is connected with a tension plate 233, the tension plate 233 being rotatable about the axis of the tension screw 231.
Referring to fig. 4, the clamping mechanism 22 includes two clamping plates 221 disposed opposite to each other, one of the clamping plates 221 is fixed on the tension plate 233, the other clamping plate 221 is provided with a guide block, and the tension plate 233 is provided with a guide groove matched with the guide block, so that the clamping plate 221 can slide along the guide groove, so that the two clamping plates 221 can clamp the backing plate 4.
Referring to fig. 2, a locking assembly is further disposed on the clamping plates 221, the locking assembly includes a locking bolt 222 and a locking nut 223, the locking nut 223 is simultaneously inserted into the two clamping plates 221, and the locking nut 223 is engaged with the locking bolt 222, so as to fix the two clamping plates 221 to each other.
Referring to fig. 2, the opposite sides of the two clamping plates 221 are each provided with a rodent 224. Two sets of meshing intermeshing effectively promote the fixed effect of splint 221 to backing plate 4, promote the stability of backing plate 4.
The implementation principle of locating rack for sliding support base plate in the embodiment of the application is as follows: the support studs 121 are fixed on the pouring template 3, the clamping plates 221 are used for clamping and fixing the base plate 4, then the tensioning screws 231 are rotated, tension can be applied to the base plate 4, the position of the base plate 4 is adjusted, and the levelness of the base plate 4 is guaranteed. And finally, pouring the sliding support 21 stairs.
The embodiment of the application also discloses a construction method of the sliding support 21 stair, which comprises the following steps:
1) building a pouring template 3;
2) erecting a positioning frame; two positioning frames are used and are respectively arranged on two sides of the pouring template 3; fixing a base 11 on the template 3 through a fixing mechanism 12; clamping two ends of the backing plate 4 by using a clamping mechanism 22, and applying a pulling force to the backing plate 4 by using a force applying mechanism 23 to keep the backing plate 4 flat;
3) pouring, namely pouring concrete in the template 3;
4) and (4) removing the mould, removing the positioning frame and the pouring template 3, and cutting the part of the base plate 4 extending to one side of the stair.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. The utility model provides a locating rack for sliding support backing plate which characterized in that: comprises a fixing device (1) and a tensioning device (2); the fixing device (1) comprises a base (11) and a fixing mechanism (12) for fixing the base (11) on the pouring template (3);
the tensioning device (2) comprises a support (21) arranged on the base (11) and a clamping mechanism (22) arranged on the support (21), wherein the clamping mechanism (22) comprises two oppositely arranged clamping plates (221) and a locking assembly for controlling the two clamping plates (221) to clamp the base plate (4); the tensioning device (2) further comprises a force application mechanism (23) for applying tension to the base plate (4) through two clamping plates (221);
the fixing mechanism (12) comprises a support stud (121) which is arranged on the base (11) in a penetrating mode, and the support stud (121) is matched with the base (11) in a rotating mode;
the stress application mechanism (23) comprises a tension screw (231) arranged on the support (21) in a penetrating manner and a tension plate (233) arranged on the tension screw (231); the two clamping plates (221) are arranged on the tension plate (233), and one clamping plate (221) is fixed on the tension plate (233);
the locking assembly comprises a locking bolt (222) and a locking nut (223) matched with the locking bolt (222); bolt holes for the locking bolts (222) to penetrate are formed in the two clamping plates (221).
2. The spacer for a sliding support base plate according to claim 1, wherein: the support stud (121) is sleeved with a leveling plate (122), and the leveling plate (122) is in threaded fit with the support stud (121); a through hole is formed in the side wall of the leveling plate (122) and is communicated with the threaded hole in the leveling plate (122);
a limiting bolt (123) is in threaded fit with the inner part of the through hole; a top rod (124) is arranged on one side, facing the support stud (121), of the limiting bolt (123), and the top rod (124) is in sliding fit with the through hole; and (3) tightening the limiting bolt (123), and enabling the ejector rod (124) to abut against the support stud (121), so that the leveling plate (122) is fixed on the support stud (121).
3. The spacer for a sliding support base plate according to claim 1, wherein: the base (11) is provided with a sliding groove, the support (21) is arranged in the sliding groove in a sliding mode, and the base (11) is provided with a fastening bolt (111) used for fixing the support (21).
4. The spacer for a sliding support base plate according to claim 3, wherein: the base (11) is provided with a central hole, the sliding groove is positioned on the inner wall of the central hole, and the sliding groove is arranged around the periphery of the central hole;
a flange matched with the sliding groove is arranged on the peripheral side of the support (21), the diameter of the flange is larger than that of the central hole, and the diameter of the support (21) is smaller than that of the central hole; the fastening bolt (111) penetrates through the base (11) and extends into the sliding chute.
5. The spacer for a sliding support base plate according to claim 1, wherein: the support (21) comprises a sliding plate (211) and a spherical seat (212), a placing hole matched with the spherical seat (212) is formed in the sliding plate (211), and the inner wall of the placing hole is arranged in an arc surface fit with the spherical seat (212); the tension screw rod (231) penetrates through the spherical seat (212) and is in threaded connection with the spherical seat (212).
6. The spacer for a sliding support base plate according to claim 1, wherein: the opposite sides of the two splints (221) are provided with a rodent (224).
7. A construction method of a sliding seat staircase using the spacer for a sliding seat pad according to any one of claims 1 to 6, characterized in that: the method comprises the following steps:
1) building a pouring template (3);
2) erecting a positioning frame; using two positioning frames, and respectively placing the two positioning frames on two sides of the pouring template (3); fixing a base (11) on the pouring template (3) through a fixing mechanism (12); clamping two ends of the backing plate (4) by using a clamping mechanism (22), and applying a pulling force to the backing plate (4) by using a force application mechanism (23) to keep the backing plate (4) flat;
3) pouring, namely pouring concrete in the pouring template (3);
4) and (3) removing the form, removing the positioning frame and the pouring template (3), and cutting the part of the cushion plate (4) extending to one side of the stair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110596776.4A CN113235954B (en) | 2021-05-31 | 2021-05-31 | Positioning frame for sliding support base plate and construction method of sliding support stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110596776.4A CN113235954B (en) | 2021-05-31 | 2021-05-31 | Positioning frame for sliding support base plate and construction method of sliding support stair |
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| Publication Number | Publication Date |
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| CN113235954A CN113235954A (en) | 2021-08-10 |
| CN113235954B true CN113235954B (en) | 2022-05-17 |
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| CN202110596776.4A Active CN113235954B (en) | 2021-05-31 | 2021-05-31 | Positioning frame for sliding support base plate and construction method of sliding support stair |
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