A modular stair template

Abstract

The application relates to a fixed stair formwork, which comprises a pouring bottom plate and a formwork body, the pouring bottom plate and the formwork body are both arranged to be inclined at an angle, the pouring bottom plate is inclined from top to bottom along the left-right direction, the pouring bottom plate is installed at the lower end of the formwork body, and the bottom of the pouring bottom plate is provided with a mounting bracket; the formwork body is composed of a top formwork and two side plates, the two side plates are symmetrically arranged front and back, and the bottoms of the two side plates are attached to the top of the pouring bottom plate; the application is characterized in that the side plates are hinged to the pouring bottom plate, the construction of the formwork is facilitated, the two side plates clamp the top formwork, the gap between the side plates and the top formwork is reduced, and concrete leakage is avoided; in the formwork removing process, the two side plates are driven to be turned outwards and the pouring bottom plate is translated, automatic formwork removing is realized, and convenience is improved; the two side plates are turned outwards to push the top formwork to be separated from the concrete, and the convenience and efficiency of formwork removing are improved.

Description

Technical Field

[0001] The invention relates to a standardized staircase template and belongs to the technical field of construction. Background Art

[0002] Formwork is a temporary support structure manufactured according to design requirements to shape concrete structures and components into specified positions and geometric dimensions, maintain their correct position, and withstand the self-weight of the formwork and external loads acting on it. The purpose of formwork engineering is to ensure the quality and construction safety of concrete projects, accelerate construction progress, and reduce project costs. The formwork structure used in cast-in-place concrete structure construction mainly consists of three parts: panels, support structures, and connectors. The panels are the load-bearing plates that directly contact the newly poured concrete. The support structures are temporary structures that support the panels, concrete, and construction loads, ensuring that the formwork structure is firmly combined and prevents deformation and damage. Connectors are accessories that connect the panels and support structures into a whole. Formwork is the mold shell and support formed by concrete pouring. According to the properties of the materials, it can be divided into formwork, construction wood plywood, film-faced plywood, multi-layer board, double-sided glued, double-sided film-coated formwork, etc. According to the construction process conditions, formwork can be divided into cast-in-place concrete formwork, pre-assembled formwork, large formwork, and jump formwork.

[0003] The utility model patent with application number CN202021709324.X discloses an aluminum formwork structure for cast-in-place stairs, including a casting base plate and a formwork body, wherein the casting base plate is installed at the lower end of the formwork body, and a mounting bracket is provided on the lower side of the casting base plate. By adding leak-proof reinforcement devices equal to the number of steps of the stairs to the left and right ends of the formwork body of the aluminum formwork for cast-in-place stairs, when the left plate of the formwork body and the casting base plate and the right plate and the casting base plate are reinforced and connected by the new leak-proof reinforcement device, the gap at the junction of the left plate and the right plate with the casting base plate can be sealed under the strong extrusion force generated by the leak-proof reinforcement device, thereby avoiding excessive loss of moisture in the concrete after pouring, which causes the quality of the stairs after molding to deteriorate, and the water in the poured concrete does not overflow excessively, which can also make the mixing of various materials in the concrete more thorough. However, in the prior art, manual demolding is required during demolding, and demolding is difficult because the formwork and concrete are bonded together.

[0004] Therefore, there is a need for a standardized staircase template to improve the convenience of demoulding. Summary of the Invention

[0005] The technical problem to be solved by the present invention is: in order to overcome the shortcomings of the existing technology, a standardized staircase template with improved demoulding convenience is provided.

[0006] The technical solution adopted by the present invention to solve the above problems is: a standardized staircase formwork, including a casting base plate and a formwork body, the casting base plate and the formwork body are both inclined at the same angle, the casting base plate is inclined from top to bottom along the left and right direction, the casting base plate is installed at the lower end of the formwork body, and a mounting bracket is provided at the bottom of the casting base plate;

[0007] The formwork body consists of a top formwork and two side panels, the two side panels are symmetrically arranged front to back, the bottoms of the two side panels are both fitted on the top of the casting base plate, the outer walls of the two side panels are hinged to the outer walls of the front and rear sides of the casting base plate respectively, two sets of flipping mechanisms are provided on the casting base plate, the two sets of flipping mechanisms correspond to the two side panels one by one, the flipping mechanisms are connected to the side panels, and the flipping mechanisms are used to drive the side panels to rotate inward or outward around the hinge center, the top formwork is located between the two side panels, and the front and rear sides of the top formwork are respectively fitted with the two side panels;

[0008] The mounting bracket includes a support plate, which is parallel to the casting base plate. A plurality of base columns are fixedly provided at the bottom of the support plate. A plurality of support columns are passed through the support plate, and the plurality of support columns are parallel to the left and right directions. One end of the support column is fixedly provided at the bottom of the casting base plate. A second hydraulic cylinder is provided on the support plate, and the second hydraulic cylinder drives the support column to move along the axis direction of the support column.

[0009] Preferably, two sets of hinges are provided on the casting base plate, and the two sets of hinges correspond one-to-one to the two side panels. The two sets of hinges are respectively provided on the outer walls of the front and rear sides of the casting base plate. Each set of hinges is provided with multiple hinges, and the multiple hinges in the same group are arranged along the length direction of the casting base plate. The outer walls of the side panels are connected to the outer walls of the casting base plate through hinges.

[0010] Preferably, each group of turning mechanisms is provided with multiple turning mechanisms, and the multiple turning mechanisms in the same group are arranged along the length direction of the casting base plate.

[0011] Preferably, the flipping mechanism includes a vertically arranged transmission rod, a movable coaxial sleeve of which is provided with a movable ring, the movable ring being fixedly connected to the outer wall of the side plate, and a first hydraulic cylinder being provided at the bottom of the casting base plate, the piston end of the first hydraulic cylinder being connected to the bottom end of the transmission rod through an articulated seat, and the first hydraulic cylinder drives the articulated seat to move forward and backward.

[0012] Preferably, the inner side wall of the top of the side panel is concave to form a step, and the step extends to the right side wall of the side panel. The step matches the top template, and the top template rests on the step.

[0013] As preferred, two sets of locking pieces are arranged on the top template, and each set of locking pieces is in one-to-one correspondence with two side plates, and each set of locking pieces is provided with a plurality of locking pieces, and the locking pieces in the same set are arranged along the length direction of the top template, and the locking pieces are used for locking between the side plates and the top template.

[0014] As preferred, the locking piece comprises a first locking block and a second locking block, the first locking block is fixedly arranged on the top of the top template, and the second locking block is fixedly arranged on the outer wall of the side plate, and the first locking block and the second locking block are detachably fixedly connected.

[0015] As preferred, the first locking block and the second locking block are connected through bolts.

[0016] A shaped stair template construction method, comprising the following steps:

[0017] S1, erecting

[0018] The pouring bottom plate, the top template and the two side plates are combined to form a pouring cavity, and the pouring bottom plate is supported by the mounting support;

[0019] S2, concrete pouring

[0020] The concrete is injected into the pouring cavity from the pouring inlet until it is filled;

[0021] S3, vibrating

[0022] The vibrator is used to eliminate the bubbles on the surface or inside of the concrete, so as to prevent the concrete from producing honeycomb and pitted surface and other quality problems;

[0023] S4, concrete solidification

[0024] S5, demolding

[0025] The template body and the pouring bottom plate are separated from the concrete.

[0026] As preferred, the step S5 specifically comprises the following steps:

[0027] S5.1, separating the template body from the concrete

[0028] The template body is rotated outward by the overturning mechanism and separated from the concrete, and when the side plate is rotated outward, the top template is pushed to move upward and separated from the concrete;

[0029] S5.2, separating the pouring bottom plate from the concrete

[0030] The support column is driven to move away from the concrete by the second hydraulic oil cylinder, and the movement of the support column drives the pouring bottom plate to move synchronously and separates the pouring bottom plate from the concrete.

[0031] Compared with the prior art, the advantages of the present invention are:

[0032] 1. The side panels are hinged to the casting bottom plate to facilitate the construction of the formwork;

[0033] 2. Clamp the top formwork with two side panels to reduce the gap between the side panels and the top formwork to prevent concrete leakage;

[0034] 3. During the demolding process, the two side panels are driven to flip outward and the casting bottom plate is moved horizontally, thus realizing automatic demolding and improving convenience.

[0035] 4. The outward flipping of the two side panels pushes the top formwork to separate from the concrete, which not only further improves the convenience of formwork removal, but also improves the efficiency of formwork removal. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 This is a first stereoscopic view of a standardized staircase template according to the present invention;

[0037] Figure 2 This is a second stereoscopic view of a standardized staircase template according to the present invention;

[0038] Figure 3 This is a front view of a standardized staircase template of the present invention;

[0039] Figure 4 This is a right side view of a standardized staircase template of the present invention;

[0040] Figure 5 This is a top view of a standardized staircase template of the present invention;

[0041] Figure 6 It is a structural diagram of the flip mechanism;

[0042] Figure 7 It is a structural diagram of the mounting bracket;

[0043] Figure 8 for Figure 4 A magnified view of part A;

[0044] Figure 9 It is a structural diagram of the top template;

[0045] Figure 10 Schematic diagram of the structure of the side panel.

[0046] in:

[0047] Casting base plate 1, formwork body 2, mounting bracket 3, hinge 4, locking piece 5, casting inlet 6, casting connection port 7;

[0048] Top template 21, side panels 22, turning mechanism 23;

[0049] Transmission rod 23.1, moving ring 23.2, first hydraulic cylinder 23.3, hinged seat 23.4;

[0050] Support plate 31, bottom column 32, support column 33, second hydraulic cylinder 34;

[0051] Step 22.1;

[0052] First locking block 51 , second locking block 52 , bolt 53 . DETAILED DESCRIPTION

[0053] like Figure 1-10 As shown, a standardized staircase formwork in this embodiment includes a casting base plate 1 and a formwork body 2. The casting base plate 1 and the formwork body 2 are both inclined at the same angle. The casting base plate 1 is inclined from top to bottom along the left-right direction. The casting base plate 1 is installed at the lower end of the formwork body 2. A mounting bracket 3 is provided at the bottom of the casting base plate 1.

[0054] The formwork body 2 is composed of a top formwork 21 and two side panels 22. The casting base plate 1, the top formwork 21 and the two side panels 22 together form a casting cavity. The left ends of the casting base plate 1, the top formwork 21 and the two side panels 22 are connected to form a casting inlet 6. The right ends of the casting base plate 1, the top formwork 21 and the two side panels 22 are connected to form a casting connection port 7. The transverse opening length of the casting connection port 7 and the transverse opening length of the casting inlet 6 are both equal to the transverse length of the top formwork 21. During casting, the casting connection port 7 is in close contact with the ground, and concrete is poured into the casting cavity from the casting inlet 6 until it is filled.

[0055] The two side panels 22 are arranged symmetrically front to back, and the bottoms of the two side panels 22 are both attached to the top of the casting bottom plate 1. Two groups of hinges 4 are provided on the casting bottom plate 1, and the two groups of hinges 4 correspond one to one with the two side panels 22. The two groups of hinges 4 are respectively arranged on the outer walls of the front and rear sides of the casting bottom plate 1, and each group of hinges 4 is provided with multiple hinges 4. The multiple hinges 4 in the same group are arranged along the length direction of the casting bottom plate 1. The outer walls of the side panels 22 are connected to the outer walls of the casting bottom plate 1 through the hinges 4. Two groups of flipping mechanisms 23 are provided on the casting bottom plate 1, and the two groups of flipping mechanisms 23 correspond one to one with the two groups of hinges 4. Each group of flipping mechanisms 23 is provided with multiple flipping mechanisms 23. The multiple flipping mechanisms 23 in the same group are arranged along the length direction of the casting bottom plate 1. The flipping mechanisms 23 are connected to the side panels 22. The flipping mechanisms 23 are used to drive the side panels 22 to rotate inward or outward around the hinge center of the hinge 4;

[0056] The turnover mechanism 23 comprises a vertical transmission rod 23.1, a moving ring 23.2 coaxially sleeved on the transmission rod 23.1, the moving ring 23.2 is fixedly connected with the outer wall of the side plate 22, the bottom of the pouring bottom plate 1 is provided with a first hydraulic oil cylinder 23.3, the piston end of the first hydraulic oil cylinder 23.3 is connected with the bottom end of the transmission rod 23.1 through a hinge seat 23.4, and the first hydraulic oil cylinder 23.3 drives the hinge seat 23.4 to move forward and backward;

[0057] The top formwork 21 is located between the two side plates 22, the front and rear sides of the top formwork 21 are respectively attached to the two side plates 22, the inner side wall of the top of the side plate 22 is concave to form a step 22.1, the step 22.1 extends to the right side wall of the side plate 22, the step 22.1 is matched with the top formwork 21, and the top formwork 21 is placed on the step 22.1;

[0058] When demoulding, the hinge seat 23.4 is driven to move outward by the first hydraulic oil cylinder 23.3, the side plate 22 is driven to turn outward around the hinge center of the hinge 4 and is separated from the concrete by the transmission rod 23.1 and the moving ring 23.2, meanwhile, relative movement is generated between the transmission rod 23.1 and the moving ring 23.2, in addition, the step 22.1 pushes the top formwork 21 to move upward and is separated from the concrete during outward turning of the side plate 22, thus, automatic demoulding of the formwork main body 2 is realized;

[0059] When moulding, the hinge seat 23.4 is reversely rotated by the first hydraulic oil cylinder 23.3, and the two side plates 22 can clamp the top formwork 21, the gap between the side plate 22 and the top formwork 21 can be reduced by clamping the top formwork 21 by the two side plates 22, and concrete leakage is avoided;

[0060] The mounting bracket 3 comprises a support plate 31, the support plate 31 is parallel to the pouring bottom plate 1, a plurality of bottom columns 32 are fixedly arranged at the bottom of the support plate 31, a plurality of support columns 33 are arranged on the support plate 31 and are parallel to the left-right direction, one end of the support column 33 is fixedly arranged at the bottom of the pouring bottom plate 1, and a second hydraulic oil cylinder 34 is arranged on the support plate 31, the second hydraulic oil cylinder 34 drives the support column 33 to move along the axis direction of the support column 33;

[0061] After the concrete is completely solidified, the concrete at the pouring inlet 6 is fixedly connected with other building bodies, the fixing of the stair is realized, after the formwork main body 2 is demoulded, the support column 33 is driven to move away from the concrete by the second hydraulic oil cylinder 34, the movement of the support column 33 drives the pouring bottom plate 1 to move synchronously and separates the pouring bottom plate 1 from the concrete, and automatic removal of the pouring bottom plate 1 is realized;

[0062] The top template 21 is provided with two groups of locking members 5, and each group of locking members 5 corresponds to one side plate 22, and each group of locking members 5 is provided with a plurality of locking members 5 arranged along the length direction of the top template 21;

[0063] The locking member 5 comprises a first locking block 51 and a second locking block 52, the first locking block 51 is fixedly arranged on the top of the top template 21, and the second locking block 52 is fixedly arranged on the outer wall of the side plate 22, and the first locking block 51 and the second locking block 52 are detachably fixedly connected through the bolt 53, and the first locking block 51 and the second locking block 52 are bolted to further tightly attach the side plate 22 to the top template 21 and reduce the gap, thereby further preventing concrete leakage;

[0064] Of course, the shaped stair template can be stacked for use, that is, the pouring connection ports 7 and the pouring inlets 6 in the plurality of shaped stair templates are sequentially connected;

[0065] In addition, when the stair is built along the wall, one side plate 22 is removed, and the wall, the pouring bottom plate 1, the top template 21 and the side plate 22 form a pouring cavity;

[0066] A shaped stair template construction method comprises the following steps:

[0067] S1, erecting

[0068] The pouring bottom plate 1, the top template 21 and the two side plates 22 form a pouring cavity, and the pouring bottom plate 1 is supported by the mounting support 3;

[0069] S2, pouring concrete

[0070] The concrete is poured into the pouring cavity from the pouring inlet 6 until it is filled;

[0071] S3, vibrating

[0072] The vibrator is used to eliminate the air bubbles on the surface or in the interior of the concrete, so as to prevent the concrete from having quality problems such as honeycomb and pitted surface;

[0073] S4, concrete solidification

[0074] S5, demolding

[0075] The template main body 2 and the pouring bottom plate 1 are separated from the concrete;

[0076] S5.1, separation of the template main body 2 from the concrete

[0077] The template main body 2 is separated from the concrete by rotating the two side plates 22 outward through the turnover mechanism 23, and the side plate 22 is pushed to move the top template 21 upward and separated from the concrete when the side plate 22 is rotated outward;

[0078] S5.2, Separation of pouring base plate 1 and concrete

[0079] The support column 33 is driven by the second hydraulic cylinder 34 to move in a direction away from the concrete. The movement of the support column 33 drives the casting base plate 1 to move synchronously and separate the casting base plate 1 from the concrete.

[0080] To sum up, the standardized stair formwork is hinged to the casting base plate 1 through the side panels 22, which facilitates the construction of the formwork. Moreover, by clamping the top formwork 21 with the two side panels 22, the gap between the side panels 22 and the top formwork 21 is reduced to avoid concrete leakage. In addition, during the demolding process, automatic demolding is achieved by driving the two side panels 22 to flip outward and the casting base plate 1 to move horizontally, thereby improving convenience. Secondly, the outward flipping of the two side panels 22 can push the top formwork 21 to separate from the concrete, which not only further improves the convenience of demolding, but also improves the demolding efficiency.

[0081] In addition to the above embodiments, the present invention also includes other implementation methods. Any technical solutions formed by equivalent transformation or equivalent replacement should fall within the scope of protection of the claims of the present invention.

Claims

1. A standardized staircase template, characterized by: It comprises a casting base plate (1) and a formwork body (2), wherein the casting base plate (1) and the formwork body (2) are both inclined at the same angle, the casting base plate (1) is inclined from top to bottom along the left-right direction, the casting base plate (1) is installed at the lower end of the formwork body (2), and a mounting bracket (3) is provided at the bottom of the casting base plate (1); The template body (2) is composed of a top template (21) and two side panels (22), the two side panels (22) are arranged symmetrically front and back, the bottoms of the two side panels (22) are both fitted on the top of the casting base plate (1), the outer walls of the two side panels (22) are hinged to the outer walls of the front and rear sides of the casting base plate (1), and two groups of flipping mechanisms (23) are provided on the casting base plate (1), the two groups of flipping mechanisms (23) correspond to the two side panels (22) one by one, the flipping mechanisms (23) are connected to the side panels (22), and the flipping mechanisms (23) are used to drive the side panels (22) to rotate inward or outward around the hinge center, the top template (21) is located between the two side panels (22), and the front and rear sides of the top template (21) are respectively fitted to the two side panels (22); The mounting bracket (3) includes a support plate (31), the support plate (31) is parallel to the casting bottom plate (1), a plurality of bottom columns (32) are fixedly provided at the bottom of the support plate (31), a plurality of support columns (33) are passed through the support plate (31), the plurality of support columns (33) are parallel to the left and right directions, one end of the support column (33) is fixedly provided at the bottom of the casting bottom plate (1), a second hydraulic cylinder (34) is provided on the support plate (31), and the second hydraulic cylinder (34) drives the support column (33) to move along the axis direction of the support column (33); The inner side wall of the top of the side panel (22) is concave to form a step (22.1), the step (22.1) extends to the right side wall of the side panel (22), the step (22.1) matches the top template (21), and the top template (21) rests on the step (22.1); Two groups of locking members (5) are provided on the top template (21), and the two groups of locking members (5) correspond to the two side panels (22) one by one. Each group of locking members (5) is provided with a plurality of locking members, and the plurality of locking members (5) in the same group are arranged along the length direction of the top template (21). The locking members (5) are used for locking between the side panels (22) and the top template (21); The locking member (5) comprises a first locking block (51) and a second locking block (52), wherein the first locking block (51) is fixedly arranged on the top of the top template (21), and the second locking block (52) is fixedly arranged on the outer wall of the side plate (22), and the first locking block (51) and the second locking block (52) are detachably fixedly connected.

2. A standardized staircase formwork according to claim 1, characterized in that: The casting bottom plate (1) is provided with two sets of hinges (4), and the two sets of hinges (4) correspond to the two side plates (22) one by one. The two sets of hinges (4) are respectively provided on the outer walls of the front and rear sides of the casting bottom plate (1). Each set of hinges (4) is provided with a plurality of hinges, and the plurality of hinges (4) in the same set are arranged along the length direction of the casting bottom plate (1). The outer walls of the side plates (22) are connected to the outer walls of the casting bottom plate (1) through the hinges (4).

3. The standardized staircase formwork according to claim 1, characterized in that: Each group of turnover mechanisms (23) is provided with a plurality of turnover mechanisms (23), and the plurality of turnover mechanisms (23) in the same group are arranged along the length direction of the casting bottom plate (1).

4. A standardized staircase formwork according to claim 3, characterized in that: The turning mechanism (23) comprises a vertically arranged transmission rod (23.1), a movable ring (23.2) being coaxially sleeved on the transmission rod (23.1), the movable ring (23.2) being fixedly connected to the outer wall of the side plate (22), a first hydraulic oil cylinder (23.3) being provided at the bottom of the casting base plate (1), a piston end of the first hydraulic oil cylinder (23.3) being connected to the bottom end of the transmission rod (23.1) via an articulated seat (23.4), and the first hydraulic oil cylinder (23.3) driving the articulated seat (23.4) to move forward and backward.

5. The standardized staircase formwork according to claim 1 is characterized in that: The first locking block (51) and the second locking block (52) are connected via bolts (53).

6. A standardized staircase formwork construction method according to any one of claims 1 to 5, characterized in that: The steps include: S1. Construction The casting bottom plate (1), the top formwork (21) and the two side plates (22) are combined to form a casting cavity, and the casting bottom plate (1) is supported by the mounting bracket (3); S2. Concrete pouring Concrete is poured into the pouring cavity from the pouring inlet (6) until it is full; S3. Vibration Use vibrators to eliminate bubbles on the surface or inside of the concrete to prevent honeycombing of the concrete; S4. Concrete solidification S5, demolding Separate the formwork body (2) and the pouring base plate (1) from the concrete.

7. A standardized staircase formwork construction method according to claim 6, characterized in that: The step S5 specifically includes the following steps: S5.

1. Separation of formwork body (2) from concrete The formwork body (2) rotates the two side plates (22) outwards and separates them from the concrete through the turning mechanism (23), and when the side plates (22) rotate outwards, the top formwork (21) is pushed upwards and separated from the concrete; S5.

2. Separation of pouring base plate (1) and concrete The support column (33) is driven by the second hydraulic cylinder (34) to move in a direction away from the concrete. The movement of the support column (33) drives the casting base plate (1) to move synchronously and separates the casting base plate (1) from the concrete.

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