CN210563407U

CN210563407U - Clamping groove type stair template formwork structure of marking time

Info

Publication number: CN210563407U
Application number: CN201921471314.4U
Authority: CN
Inventors: 郑龙; 陈兴; 成雪剑; 程强
Original assignee: China Metallurgical Construction Engineering Group Co Ltd
Current assignee: China Metallurgical Construction Engineering Group Co Ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-05-19
Anticipated expiration: 2029-09-05

Abstract

The utility model relates to a clamping groove type stair template formwork structure of marking time, which comprises an inclined bottom template, wherein vertical side templates are respectively arranged along the two side edges of the bottom template, a plurality of clamping grooves are arranged on the side templates at intervals along the length direction, and the marking time templates are inserted and installed in the clamping grooves; vertical outer guard plates are respectively connected along the edges of two sides of the bottom template, the templates on two sides are arranged between the two outer guard plates, the outer side surfaces of the side templates are abutted against the inner side surfaces of the corresponding outer guard plates, two ends of the step template are also abutted against the inner side surfaces of the corresponding outer guard plates respectively, and the outer guard plates completely cover all the clamping grooves on the corresponding sides; the bottom formwork is laid with a steel bar net layer, two ends of the bottom formwork are respectively butted with the structural layers, and two ends of the steel bar net layer are respectively connected with embedded steel bars extending from the two structural layers. The utility model has simple and compact structure, and can effectively prevent the concrete slurry from leaking; the both ends of reinforcing bar stratum reticulare link to each other with the structural layer reinforcing bar respectively, and the intensity of the stair of marking time after the shaping obtains effectively guaranteeing.

Description

Clamping groove type stair template formwork structure of marking time

Technical Field

The utility model belongs to the technical field of fixed building, concretely relates to draw-in groove formula stair template formwork structure of marking time.

Background

The common stair step template installation needs to firstly arrange the side plates according to the step plane size, the vertical face size and the step number after the side plates are installed, position the arrangement size, mark the elastic lines on the side plates at two sides, cut the step plates along the elastic line ruler, and then install and reinforce the step plates and the side plates; the installation method generally utilizes the thickness of a wood template as a holding layer to obliquely fix the step plate on the side plate wall by using nails, and then step tightening or iron wires are used for reinforcing each step, but the conditions of the step plate and the side plate expanding die are still more in the construction process, the reinforcing process is more complicated, time-consuming and labor-consuming, the corresponding template is more difficult to remove, and the formed external corner of the stair is easily damaged, so that secondary repair is caused; the ends of the iron wires used for partial reinforcement are solidified into the concrete surface, secondary cutting is needed, the forming quality is affected, and each layer of stepping installation needs to be performed with line snapping typesetting on the side mold, which is time-consuming and labor-consuming!

At present, there are also some template improvement schemes for stair steps, such as: CN104074354A, CN204983651U, CN106088589A, etc. improve the efficiency of formwork support to a certain extent and repeatedly use, but still have the shortcoming in the aspect of use, the seepage of side form, the intensity of stair after the shaping etc. problem need further optimization and improvement.

Disclosure of Invention

The above-mentioned not enough to prior art, the to-be-solved technical problem of the utility model is to provide a draw-in groove formula stair template formwork structure of marking time avoids the side form and the problem of the easy seepage of template hookup location of marking time when using, gains the reliable effect of intensity of simple, the difficult seepage of use, shaping back stair of institutional advancement.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the clamping groove type stair tread template support structure comprises a square plate-shaped bottom template, wherein two ends of the bottom template are vertically provided with a height difference to be inclined, two sides of the bottom template are equal in height, the bottom template is supported on a frame body, vertical side templates are respectively arranged along two side edges of the bottom template, a plurality of clamping grooves are formed in the side templates at intervals along the length direction and used for installing tread templates, the clamping grooves are vertical and upwards penetrate through the upper edges of the side templates so as to facilitate the insertion and installation of the tread templates, and the tread templates are inserted into two clamping grooves with opposite heights on the templates at two sides; the adjacent two stages of stepping templates have height difference, and the lower surface of the previous stage of stepping template is flush with the upper surface of the next stage of stepping template; the two side templates are arranged between the two outer templates, the outer side surfaces of the side templates are abutted against the inner side surfaces of the corresponding outer templates, the two ends of the step template are also abutted against the inner side surfaces of the corresponding outer templates, and the outer templates completely cover all the clamping grooves on the corresponding sides from the side direction to prevent leakage; and a steel bar net layer is laid on the bottom template in parallel to the bottom template, two ends of the bottom template are respectively butted with the two structural layers with the height difference, and two ends of the steel bar net layer are respectively connected with embedded steel bars extending from the two structural layers.

Further perfecting the technical scheme, the cross section of the stepping template is square, and the bottom of the clamping groove is also a square groove shape corresponding to the clamping groove.

Furthermore, the stepping template is of a double-layer structure and is formed by overlapping a template and a batten layer, and the template faces the direction of the previous stepping template.

Furthermore, the middle parts of all the step templates are connected with the long battens, and the lower ends of the long battens are abutted to the upper surfaces of the corresponding structural layers.

Furthermore, the lower edge of the long batten is in a sawtooth shape corresponding to the step shape formed by all the stepping templates.

Furthermore, the reinforcing bar net layer is formed by binding a plurality of reinforcing bars which are criss-cross, and two ends of the longitudinal reinforcing bar of the reinforcing bar net layer are fixedly connected with the embedded reinforcing bars extending from the two structural layers in a welding mode.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a draw-in groove formula stair template formwork structure of marking time, the both ends of having add the outer casing that pastes mutually and having marked time the template outside and passed corresponding side form back also with the medial surface looks butt of the outer casing that corresponds, compact structure, the outer casing covers all draw-in grooves from the side direction completely and can effectively prevent concrete thick liquid from the draw-in groove and mark time between the template seepage.

2. The utility model discloses a draw-in groove formula stair template formwork structure of marking time, adjacent two-stage template of marking time have the lower surface of difference in height and the last one-level template of marking time and the upper surface parallel and level of the next stage template of marking time, during the use, fill into the thick form concrete thick liquid of drier, floating convenient operation, apparent quality is good after the shaping.

3. The utility model discloses a draw-in groove formula stair template formwork structure of marking time has add the reinforcing bar stratum reticulare at the die block board, the both ends of reinforcing bar stratum reticulare respectively with the extension phase fixed connection of upper and lower structural layer in situ embedded bar, after the concrete thick liquid after the packing solidifies, the intensity of the fashioned stair of marking time is effectively ensured.

Drawings

FIG. 1 is a schematic structural view of a formwork structure of a slot-type stair tread of an embodiment;

FIG. 2 is a view taken from FIG. 1 with the outer protective plate hidden so as to show the internal structure of the formwork structure of the slot-type stair step formwork;

FIG. 3-the top view of FIG. 1;

4-3 are enlarged partial views of the tread template end;

FIG. 5-a schematic view of the sideform in the particular embodiment in isolation;

FIG. 6 is the effect diagram of the formed stair step;

7-3 are schematic diagrams of a basic improved structure;

FIG. 8-schematic view of the structure of the long square in the embodiment alone;

the steel bar mesh-type formwork comprises a bottom formwork 1, an outer guard plate 2, side formworks 3, clamping grooves 31, a step formwork 4, a formwork making plate 41, a batten layer 42, a steel bar mesh layer 5, a structural layer 6, a frame body 7 and long battens 8.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 3, the formwork structure of the grooved stair tread of the embodiment includes a square plate-shaped bottom formwork 1, two ends of the bottom formwork 1 have a height difference in the vertical direction to be inclined, two sides of the bottom formwork 1 are equal in height, the bottom formwork 1 is supported on a frame body 7, vertical side formworks 3 are respectively arranged along two side edges of the bottom formwork 1, referring to fig. 5, a plurality of clamping grooves 31 are arranged on the side formworks 3 along the length direction at intervals for installing the tread formworks 4, the clamping grooves 31 vertically and upwardly penetrate through the upper edges of the side formworks 3 to facilitate the insertion and installation of the tread formworks 4, the two side formworks 3 are prepared uniformly, the shape and the size of each clamping groove 31 formed in each side formwork are the same, the tread formworks 4 are inserted and installed in two opposite high-level clamping grooves 31 on the two side formworks 3, the two adjacent tread formworks 4 have a height difference, and the lower surface of the tread formwork 4 of the upper stage is flush with the upper surface of the tread formwork Aligning; the two side templates 3 are arranged between the two outer templates 2, the outer side surfaces of the side templates 3 are abutted against the inner side surfaces of the corresponding outer templates 2, the two ends of the step template 4 are also abutted against the inner side surfaces of the corresponding outer templates 2, and the outer templates 2 completely cover all the clamping grooves 31 on the corresponding sides from the side direction to prevent leakage; a reinforcing steel bar net layer 5 is laid on the bottom formwork 1 in parallel with the bottom formwork 1, two ends of the bottom formwork 1 respectively correspond to two structural layers 6 with height difference (usually, a platform structure at the turning position of a step stair, and part of the structure can also be a floor layer), and two ends of the reinforcing steel bar net layer 5 are respectively connected with the extending ends of embedded reinforcing steel bars in the two structural layers 6.

In the clamping groove type stair template formwork structure of the specific embodiment, two adjacent step templates 4 have height difference, the lower surface of the upper step template 4 is flush with the upper surface of the lower step template 4, when the clamping groove type stair template formwork structure is used, dry viscous concrete slurry is filled, the floating operation is convenient, and the apparent quality after molding is good; the outer side of each side die is additionally provided with the outer guard plate 2 which is attached to the outer side of each side die, and two ends of the step template 4 are abutted to the inner side surface of the corresponding outer guard plate 2 after penetrating through the corresponding side die, so that the structure is compact, and the outer guard plates 2 completely cover all the clamping grooves 31 from the side direction, so that concrete grout can be effectively prevented from leaking between the clamping grooves 31 and the step templates 4; and the bottom template 1 is additionally provided with a reinforcing mesh layer 5, two ends of the reinforcing mesh layer 5 are respectively and fixedly connected (can be bound or welded) with the extension parts of the embedded steel bars in the upper structural layer 6 and the lower structural layer 6, and after the filled concrete slurry is solidified, the strength of the formed stair tread is effectively guaranteed.

The cross section of the stepping template 4 is square, and the bottom of the clamping groove 31 is also a square groove shape corresponding to the clamping groove.

Thus, the preparation of the step template 4 is simple, and the appearance of the clamping groove 31 is corresponding to the shape of the step template, so that the leakage can be prevented.

Referring to fig. 4, the stepping template 4 has a double-layer structure, and is formed by stacking a template 41 and a batten layer 42, wherein the template 41 faces the direction of the stepping template 4 at the previous stage.

Therefore, the material cost can be reduced, and the use strength and the use effect can be guaranteed; in use, the shuttering 41 is in contact with the filled concrete slurry.

The reinforcing mesh layer 5 is formed by binding a plurality of criss-cross reinforcing steel bars, and two ends of the longitudinal reinforcing steel bars of the reinforcing mesh layer 5 are fixedly connected with the extending ends of the embedded reinforcing steel bars in the two structural layers 6 in a welding mode.

Therefore, the strength of the reinforcing mesh layer 5 is guaranteed, and the reinforcing mesh layer is conveniently and reliably connected with the structural layer 6.

When the blanking is carried out, the bottom template 1 is blanked according to the designed size or the measured value, the outer guard plate 2 and the side template 3 have the same specification and can be blanked together, and the clamping groove 31 is cut on the side template 3 according to the designed size; preparing a step template 4 corresponding to the clamping groove 31, namely a template making plate 41 and a batten layer 42, overlapping the two layers, and jacking the two layers from one side of the batten layer 42 by using a nail to fixedly connect the two layers; prefabricating a reinforcement mesh layer 5, wherein the number of layers is designed; when the device is used, a frame body 7 is erected, the lower part of the frame body 7 can be a plane or a next layer of formed stairs, the frame body 7 supports a bottom template 1, battens can be additionally arranged to support the lower surface of the bottom template 1 so as to avoid damaging the lower surface of the bottom template 1, outer templates 2 are respectively erected on the two side edges of the bottom template 1 and fixedly connected through nails, side templates 3 are arranged on the inner sides of the outer templates 2, step tightening can be used on the two outer templates 2 in order to prevent a mold from expanding, a reinforcing mesh layer 5 is arranged on the bottom template 1, and step templates 4 at all levels are inserted into a clamping groove 31; the whole template structure is supported between the upper structural layer 6 and the lower structural layer 6, and the two ends of the reinforcing mesh layer 5 are respectively welded and fixedly connected with the ends of the extending embedded steel bars in the corresponding structural layers 6. And (3) filling the semi-dry viscous concrete grout between the bottom template 1 and the side template 3, and leveling the corresponding levels according to the upper surfaces of the step templates 4. After the concrete slurry is solidified to meet the strength requirement, each template can be disassembled to form the stair step, and referring to fig. 6, each template can be repeatedly used.

Referring to fig. 7 and 8, in practice, the middle parts of all the stepping formworks 4 can be connected with the long battens 8, the long battens 8 are parallel to the bottom formworks 1, are arranged on each stepping formwork 4 and can be fixedly connected with each stage by nails, and the lower ends of the long battens 8 abut against the upper surfaces of the corresponding structural layers 6. Like this, strengthen the holistic steadiness of template structure, template 4 can not warp the protrusion to next stage of marking time, is convenient for ensure fashioned quality. The lower edge of the long batten 8 can be a sawtooth shape or an inverted step shape corresponding to the step shape formed by all the step templates 4. Therefore, when in use, the mark-time templates can be correspondingly attached to the mark-time templates 4 one by one, and the reinforcing effect is better.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The clamping groove type stair tread template support structure comprises a square plate-shaped bottom template, wherein two ends of the bottom template are vertically provided with a height difference to be inclined, two sides of the bottom template are equal in height, the bottom template is supported on a frame body, vertical side templates are respectively arranged along two side edges of the bottom template, a plurality of clamping grooves are formed in the side templates at intervals along the length direction and used for installing tread templates, the clamping grooves are vertical and upwards penetrate through the upper edges of the side templates so as to facilitate the insertion and installation of the tread templates, and the tread templates are inserted into two clamping grooves with opposite heights on the templates at two sides; the method is characterized in that: the adjacent two stages of stepping templates have height difference, and the lower surface of the previous stage of stepping template is flush with the upper surface of the next stage of stepping template; the two side templates are arranged between the two outer templates, the outer side surfaces of the side templates are abutted against the inner side surfaces of the corresponding outer templates, the two ends of the step template are also abutted against the inner side surfaces of the corresponding outer templates, and the outer templates completely cover all the clamping grooves on the corresponding sides from the side direction to prevent leakage; and a steel bar net layer is laid on the bottom template in parallel to the bottom template, two ends of the bottom template are respectively butted with the two structural layers with the height difference, and two ends of the steel bar net layer are respectively connected with embedded steel bars extending from the two structural layers.

2. The formwork structure of the slot-type stair tread of claim 1, wherein: the cross section of the stepping template is square, and the bottom of the clamping groove is also a square groove shape corresponding to the clamping groove.

3. The formwork structure of the slot-type stair tread of claim 1, wherein: the stepping template is of a double-layer structure and is formed by overlapping a template and a batten layer, and the template faces the direction of the previous stepping template.

4. The formwork structure of the slot-type stair tread of claim 1, wherein: the middle parts of all the step templates are connected with the long battens, and the lower ends of the long battens are abutted against the upper surfaces of the corresponding structural layers.

5. The template formwork structure of the slot-type stair tread of claim 4, wherein: the lower edge of the long batten is in a sawtooth shape corresponding to the step shape formed by all the step templates.

6. The formwork structure of the slot-type stair tread of claim 1, wherein: the reinforcing steel bar net layer is formed by binding a plurality of reinforcing steel bars which are criss-cross, and two ends of the longitudinal reinforcing steel bars of the reinforcing steel bar net layer are fixedly connected with the embedded reinforcing steel bars extending from the two structural layers in a welding mode.