Thin concrete plate prestress tension reinforcing base plate
By designing a thin concrete plate prestressed tensioning reinforcement pad including webs and reinforcement plates, the bonding connection between the reinforcement plate and webs and other structural elements are used to solve the problem of stress concentration and burst during prestressed tensioning, and the effect of improving the quality of concrete tensioning and avoiding economic losses is achieved.
Patent Information
- Application Number
- CN202421008003.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-05-10
AI Technical Summary
During prestressed tensioning, the area of the thin concrete plate is small, and the angle of the force is not on the same horizontal line as the web, which causes the web to burst easily, causing quality problems and economic losses.
A thin concrete plate prestressed tension reinforcement pad is designed, including web and reinforcement board. Through the abutment connection between the reinforcement board and the web, the connection between the working anchor and the positioning block, the elastic sliding of the fixing block and the ring board, the threaded connection between the adjustment groove and the screw hole, the elastic support of the steel bar and the angle adjustment of the reinforcement board is achieved.
It effectively solves the problem of stress concentration, improves the quality of concrete tensioning, avoids bursting, reduces economic losses, and adjusts the contact angle of the reinforcement plate when the web surface is uneven, ensuring the stability of the prestress tensioning operation.
Smart Images
Figure CN222862075U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to a prestressed tensioning and reinforcing pad for a thin concrete slab. Background Art
[0002] The web refers to a beam or plate beam connecting the upper and lower flanges or the vertical plate or side wall of the box beam below the flange of the T-beam. Its main function is to resist shear force and also bear part of the bending moment. When the web of a general small box beam is prestressed, because the web is relatively thin, the concentrated force area of the concrete is small during prestressing, and the force angle is not on the same horizontal line as the web. During prestressing, the web is prone to bursting, causing quality problems and economic losses to the project. Utility Model Content
[0003] The purpose of the utility model is to provide a thin concrete slab prestressed tensioning reinforcement pad to solve the problems raised in the above-mentioned background technology that the concentrated force area of the concrete is small during prestressing, the force angle and the web are not on the same horizontal line, and the web is prone to bursting during prestressing, causing quality problems and economic losses to the project.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a prestressed tensioning reinforcement pad for a thin concrete slab, comprising a web and a reinforcement plate, the reinforcement plate acting on the outer surface of the web, the surface of the web fixedly connected with a steel bar, the outer surface of the steel bar is sleeved with a working anchor, the outer surface of the working anchor is fixedly connected with a positioning block, the surface of the reinforcement plate is provided with a positioning groove, the surface of the reinforcement plate is provided with a circular hole running through the surface of the reinforcement plate, and the inner side of the circular hole is fixedly connected with a fixing plate, the surface of the fixing plate is fixedly connected with a fixing block, the inner side of the fixing block is fixedly connected with a supporting spring, the surface of the supporting spring is fixedly connected with a ring plate, the surface of the reinforcement plate is provided with an adjusting groove, the surface of the reinforcement plate is provided with a screw hole, the inner side of the screw hole is threadedly connected with a screw, the outer surface of the screw is sleeved with a supporting block, and the surface of the support block is provided with a sliding groove.
[0005] Preferably, the reinforcing plate is in the shape of a thin plate, the working anchor and the reinforcing plate are abutted and connected, and the steel bar passes through the working anchor and the reinforcing plate and is embedded and connected with the web.
[0006] Preferably, the positioning blocks are in a semi-spherical shape, and are evenly distributed on a side of the working anchor close to the reinforcing plate, and the positioning grooves and the positioning blocks are correspondingly connected.
[0007] Preferably, the fixing block is fixed at the middle position of the circular hole on the surface of the reinforcing plate through a fixing plate, and the fixing block is cylindrical in shape.
[0008] Preferably, a circular groove is formed on the surface of the fixing block, the support spring is fixedly connected to the circular groove, and the ring plate is elastically slidably connected to the circular groove via the support spring.
[0009] Preferably, the adjustment groove is provided around the reinforcing plate, the inner side of the adjustment groove is inclined, and the screw hole acts on the outer surface of the reinforcing plate.
[0010] Preferably, the screw rod passes through the surface of the support block through a slide groove, and the support block consists of two parts, one part of the support block is block-shaped, and the other part of the support block is plate-shaped, and the outer surface of the support block is inclined.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. Through the abutment connection between the reinforcing plate and the web, under the connection between the working anchor and the positioning block, and under the action of the positioning block and the positioning groove, the connection and positioning effect between the working anchor and the reinforcing plate is achieved. Under the elastic sliding of the fixed block and the ring plate, the elastic support effect of the steel bar at the connection position in the reinforcing plate is achieved. Through the action of the reinforcing plate, the problem of force concentration is effectively solved during prestressing, the quality of concrete tensioning is improved, quality problems caused by concrete tensioning cracking are avoided, and economic losses are reduced.
[0013] 2. Through the connection between the reinforcing plate and the adjusting groove, the plug-in connection between the support block and the adjusting groove, the plug-in connection between the screw and the slide groove, and the threaded connection between the screw and the screw hole, the position of the support block on the reinforcing plate is changed to adjust the contact angle between the reinforcing plate and the web. When the surface of the web is uneven, the reinforcing plate is kept horizontal to avoid affecting the prestressing operation of the web due to its angle. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a front view stereoscopic schematic diagram of the structure of the utility model;
[0015] Figure 2 This is a three-dimensional schematic diagram of the structure of the working anchor of the utility model from the back;
[0016] Figure 3 It is a three-dimensional schematic diagram of the structure of the reinforcement plate of the utility model;
[0017] Figure 4 For this utility model Figure 3 A partially cutaway perspective schematic diagram of the structure of the middle fixing block;
[0018] Figure 5 It is a schematic diagram of a partial three-dimensional cross-sectional view of the structure of the reinforcement plate of the utility model.
[0019] In the figure: 1. web; 2. reinforcement plate; 21. adjustment slot; 22. screw hole; 23. screw rod; 24. support block; 25. slide slot; 3. working anchor; 4. steel bar; 5. positioning block; 6. positioning slot; 7. fixing plate; 8. fixing block; 9. support spring; 10. ring plate. DETAILED DESCRIPTION
[0020] See also Figure 1-5 , an embodiment provided by the utility model:
[0021] A thin concrete slab prestressed tensioning reinforcement pad comprises a web 1 and a reinforcement plate 2, wherein the reinforcement plate 2 acts on the outer surface of the web 1, a steel bar 4 is fixedly connected to the surface of the web 1, a working anchor 3 is sleeved on the outer surface of the steel bar 4, a positioning block 5 is fixedly connected to the outer surface of the working anchor 3, a positioning groove 6 is provided on the surface of the reinforcement plate 2, a circular hole is provided through the surface of the reinforcement plate 2, and a fixing plate 7 is fixedly connected to the inner side of the circular hole, a fixing block 8 is fixedly connected to the surface of the fixing plate 7, and a support spring is fixedly connected to the inner side of the fixing block 8 9, a ring plate 10 is fixedly connected to the surface of the support spring 9, an adjusting groove 21 is provided on the surface of the reinforcing plate 2, a screw hole 22 is provided on the surface of the reinforcing plate 2, a screw rod 23 is threadedly connected to the inner side of the screw hole 22, a support block 24 is sleeved on the outer surface of the screw rod 23, and a slide groove 25 is provided on the surface of the support block 24. Through the connection between the web 1 and the steel bar 4, under the connection between the working anchor 3 and the reinforcing plate 2, the prestressed tensioning strength of the web 1 is improved to avoid bursting of the contact position between the steel bar 4 and the web 1 due to the tensioning of the steel bar 4.
[0022] Furthermore, the reinforcing plate 2 is in the shape of a thin plate, the working anchor 3 and the reinforcing plate 2 are abutted and connected, the steel bar 4 passes through the working anchor 3 and the reinforcing plate 2 and is embedded and connected with the web 1. Through the abutment connection between the web 1 and the reinforcing plate 2, under the contact between the working anchor 3 and the reinforcing plate 2, the bursting of the contact position between the steel bar 4 and the web 1 is avoided due to the tension of the steel bar 4.
[0023] Furthermore, the positioning block 5 is semi-spherical in shape, and the positioning block 5 is evenly distributed on one side of the working anchor 3 close to the reinforcing plate 2. The positioning groove 6 and the positioning block 5 are correspondingly connected. Through the connection between the working anchor 3 and the positioning block 5, and under the connection between the reinforcing plate 2 and the positioning groove 6, the positioning block 5 and the positioning groove 6 are abutted and connected to achieve the connection and positioning effect between the working anchor 3 and the reinforcing plate 2.
[0024] Furthermore, the fixing block 8 is fixed in the middle of the circular hole on the surface of the reinforcing plate 2 by the fixing plate 7. The fixing block 8 is cylindrical in shape. Through the connection between the fixing plate 7 and the fixing block 8, under the action of the fixing plate 7, the supporting and fixing effect of the action position of the fixing block 8 is achieved.
[0025] Furthermore, a circular groove is provided on the surface of the fixed block 8, the support spring 9 is fixedly connected to the circular groove, the ring plate 10 is elastically slidably connected to the circular groove through the support spring 9, and through the connection between the circular groove on the fixed block 8 and the support spring 9, under the action of the support spring 9, the elastic rotation effect of the ring plate 10 on the fixed block 8 is achieved, and under the action of the ring plate 10, the abutment support effect of the connection position of the steel bar 4 on the reinforcing plate 2 is achieved.
[0026] Furthermore, the adjustment groove 21 is opened around the reinforcing plate 2, the inner side of the adjustment groove 21 is inclined, and the screw hole 22 acts on the outer surface of the reinforcing plate 2. Through the connection between the reinforcing plate 2 and the adjustment groove 21, under the action of the screw hole 22, the screw rod 23 realizes the regulating effect of the support block 24 on the action position in the adjustment groove 21.
[0027] Furthermore, the screw rod 23 passes through the surface of the support block 24 through the slide groove 25. The support block 24 is composed of two parts. One part of the support block 24 is block-shaped, and the other part of the support block 24 is plate-shaped. The outer surface of the support block 24 is inclined. Under the connection between the support block 24 and the slide groove 25, the slide groove 25 can be used to facilitate the change of the position of the screw rod 23 on the support block 24, thereby facilitating the adjustment operation of the position of the support block 24 in the adjustment groove 21.
[0028] Working principle: when the reinforcing plate 2 is used, the reinforcing plate 2 is passed through the steel bar 4 to make the reinforcing plate 2 contact with the web 1. When the surface of the web 1 is uneven, the screw 23 at the corresponding position is rotated to change the position of the support block 24 in the adjustment groove 21. Through the action of the slide groove 25, the contact position of the support block 24 on the reinforcing plate 2 is changed to achieve the effect of adjusting the action angle of the reinforcing plate 2. When the working anchor 3 is installed, the positioning effect of its connection is achieved through the action of the positioning block 5 and the positioning groove 6. Under the connection of the fixed block 8 and the support spring 9, the ring plate 10 is elastically slid on the fixed block 8. Through the action of the ring plate 10, the elastic support effect of the steel bar 4 at the action position on the reinforcing plate 2 is achieved.
Claims
1. A thin concrete slab prestressed tension reinforcement pad, comprising a web and a reinforcement plate, characterized in that: The reinforcing plate acts on the outer surface of the web plate, the surface of the web plate is fixedly connected with a steel bar, the outer surface of the steel bar is sleeved with a working anchor, the outer surface of the working anchor is fixedly connected with a positioning block, the surface of the reinforcing plate is provided with a positioning groove, the surface of the reinforcing plate is penetrated with a circular hole, and the inner side of the circular hole is fixedly connected with a fixing plate, the surface of the fixing plate is fixedly connected with a fixing block, the inner side of the fixing block is fixedly connected with a supporting spring, the surface of the supporting spring is fixedly connected with a ring plate, the surface of the reinforcing plate is provided with an adjusting groove, the surface of the reinforcing plate is provided with a screw hole, the inner side of the screw hole is threadedly connected with a screw, the outer surface of the screw is sleeved with a supporting block, and the surface of the support block is provided with a sliding groove.
2. A thin concrete slab prestressed tensioning reinforcement pad according to claim 1, characterized in that: The reinforcing plate is in the shape of a thin plate, the working anchor and the reinforcing plate are abutted and connected, and the steel bar penetrates the working anchor and the reinforcing plate and is embedded and connected with the web.
3. A thin concrete slab prestressed tensioning reinforcement pad according to claim 1, characterized in that: The positioning blocks are in a semi-spherical shape, and are evenly distributed on a side of the working anchor close to the reinforcing plate. The positioning grooves and the positioning blocks are correspondingly connected.
4. The thin concrete slab prestressed tensioning reinforcement pad according to claim 1 is characterized in that: The fixing block is fixed at the middle position of the circular hole on the surface of the reinforcing plate through a fixing plate, and the fixing block is in a cylindrical shape.
5. The thin concrete slab prestressed tensioning reinforcement pad according to claim 1, characterized in that: A circular groove is provided on the surface of the fixing block, the support spring is fixedly connected to the circular groove, and the ring plate is elastically slidably connected to the circular groove via the support spring.
6. The thin concrete slab prestressed tensioning reinforcement pad according to claim 1, characterized in that: The adjusting groove is arranged around the reinforcing plate, the inner side of the adjusting groove is inclined, and the screw hole acts on the outer surface of the reinforcing plate.
7. The thin concrete slab prestressed tensioning reinforcement pad according to claim 1, characterized in that: The screw rod passes through the surface of the support block through a slide groove. The support block consists of two parts, one part of the support block is block-shaped, and the other part of the support block is plate-shaped. The outer surface of the support block is inclined.