Stress testing device with graded loading function for cold bending of glass

By designing a stress testing device for cold bending glass with graded loading, and using components such as support plates, C-clamps, transmission plates and jacks, graded loading and stress testing of glass can be achieved, solving the problem of poor testing results of existing devices and improving the accuracy and effect of the test.

CN223307968UActive Publication Date: 2025-09-05FAR EAST LIJIN CURTAIN WALL (SHANGHAI) CO LTD
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Patent Information

Application Number
CN202422308352.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-20
Publication Date
2025-09-05
Estimated Expiration
2034-09-20

AI Technical Summary

Technical Problem

Existing stress testing devices for cold bending of glass lack a graded loading function, resulting in poor testing results.

Method used

A stress testing device for glass cold bending with graded loading function was designed. The glass was loaded in grades by means of components such as a support plate, a C-clamp, a transmission plate and a jack. The warping of the glass was recorded using a compression spring and a height scale plate. The stress test was performed in combination with a glass stress detector.

Benefits of technology

The accuracy and effect of glass cold bending stress testing are improved. The displacement and internal stress of each level can be recorded through graded loading, meeting the strict measurement requirements of cold-bent glass.

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Abstract

The utility model provides a glass cold bending stress testing device with a graded loading function, which comprises a supporting plate, a plurality of C-shaped clamps are respectively arranged on two sides of the top of the supporting plate through fixing seats and are arranged at equal intervals, testing glass is fixed on the plurality of C-shaped clamps, and the testing glass is fixed on the supporting plate. A supporting seat is arranged at the top of the supporting plate, an installation shell is arranged on the supporting seat in a sliding and penetrating mode, a sliding hole is formed in one side of the installation shell, a transmission plate is connected to the sliding hole in a sliding mode, a compression spring is arranged in the sliding hole, and one end of the transmission plate is attached to the top of the test glass. Through the arrangement of the transmission plate, the compression spring, the pointer plate and the height scale plate, one end of the tested glass is bent and ascends to drive the transmission plate to ascend, displacement and internal stress of a test point are observed and recorded through the glass stress detector after each stage of loading, and the glass cold bending stress is tested through graded loading. And the glass cold bending stress test effect is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of testing equipment, in particular to a stress testing device for cold bending of glass with a graded loading function. Background Art

[0002] Cold-bending glass technology is a special glass processing method. It applies external force to flat glass or curved glass to deform it, and permanently fixes the flat glass or curved glass to the bottom structure with the expected curve, so as to achieve the expected facade effect. This technology does not require special glass processing technology and mold opening, and is suitable for creating complex building skins, such as the manufacture of curved glass curtain walls. In actual applications, cold-bending glass has strict requirements on glass materials, design teams, and construction teams. The maximum warping value needs to be strictly measured and controlled, and the residual stress must also be ensured to be within a controllable range. Gradually loading the cold bending force to the glass and analyzing it is an effective way to test the stress of glass cold bending. The existing glass cold bending stress testing device has a very simple structural design and does not have a graded loading function. Therefore, the existing glass cold bending stress testing effect is poor. For this reason, it is necessary to design a glass cold bending stress testing device with a graded loading function. Utility Model Content

[0003] The problem to be solved by the utility model is that the existing stress test for cold bending of glass has poor effect.

[0004] In order to solve the above technical problems, the utility model provides a stress testing device for cold bending of glass with a graded loading function, including a support plate, C-clamps are respectively provided on both sides of the top of the support plate through a fixing seat, the number of the C-clamps is multiple and the intervals between the C-clamps are equal, and a test glass is fixed on the multiple C-clamps, a support seat is provided on the top of the support plate, a mounting shell is slid through the support seat, a sliding hole is provided on one side of the mounting shell, a transmission plate is slidably connected to the sliding hole, a compression spring is provided in the sliding hole, one end of the transmission plate is fitted with the top of the test glass, and the other end of the transmission plate extends into the sliding hole and is connected to the compression spring, a jack for applying cold bending force is provided on the top of the support plate, a glass stress detector is provided on the test glass, a height scale plate is provided on the mounting shell, and a pointer plate corresponding to the height scale plate is provided on the transmission plate.

[0005] Preferably, the number of the sliding holes is two and they are symmetrically opened on the mounting shell, and the transmission plate is slidably connected to the two sliding holes.

[0006] Preferably, a diagonal support plate is provided at the bottom of the transmission plate and covers the sliding hole, so as to keep the transmission plate in a horizontal position.

[0007] Preferably, the top of the support seat has an opening, the interior of the support seat has a cavity and is connected to the opening, the bottom of the mounting shell extends into the interior of the support seat and is connected to a transmission assembly, the transmission assembly includes a screw rod, a connecting block and a threaded hole, a threaded hole is opened at one end of the support seat, a screw rod is threadedly connected to the threaded hole, the connecting block is installed on the side of the mounting shell close to the threaded hole, and one end of the screw rod is rotatably connected to the connecting block.

[0008] Preferably, the height of the transmission plate increases by 10 mm per level.

[0009] Preferably, guide rods are provided on both sides of the interior of the support seat, and the connecting block is provided with connecting rods that are engaged and slidably connected with the guide rods.

[0010] Preferably, a turntable is installed on one end of the screw rod away from the support seat.

[0011] Preferably, the support seat is mounted on the support plate by screw connection or clamping.

[0012] Preferably, supporting legs are provided at the four bottom corners of the bottom of the support plate.

[0013] Preferably, a supporting plate is provided on the C-shaped clamp.

[0014] Compared with the prior art, the present invention provides a stress testing device for cold bending of glass with a graded loading function, which has the following beneficial effects:

[0015] 1. The utility model provides a support base and a mounting shell. The mounting shell is slidably connected to the support base so that the mounting shell is close to the test glass. The transmission plate is placed on the top of the test glass. Then, the jack applies a cold bending force from the bottom of the test glass. The transmission plate drives the compression spring to contract, and acts downward on the transmission plate through the compression spring, so that the transmission plate fits tightly on the test glass. The corresponding value of the pointer plate on the height scale plate shows the height increase value of one end of the test glass. According to the maximum warping value, the loading is performed at a level of 10 mm. After each level of loading, the displacement and internal stress of the test point are observed and recorded. By performing a stress test on the cold bending of the glass through graded loading, the effect of the cold bending stress test of the glass is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the connection structure between the support base and the mounting shell of the utility model;

[0018] Figure 3 It is a schematic structural diagram of the transmission component of the present utility model.

[0019] In the figure: 1. Support plate; 2. Fixed seat; 3. C-clamp; 4. Support seat; 5. Mounting shell; 6. Sliding hole; 7. Transmission plate; 8. Compression spring; 9. Jack; 10. Glass stress detector; 11. Height scale plate; 12. Pointer plate; 13. Diagonal support plate; 14. Opening; 15. Transmission assembly; 151. Screw; 152. Connecting block; 153. Threaded hole; 16. Guide rod; 17. Connecting rod; 18. Turntable; 19. Support leg; 20. Support plate. DETAILED DESCRIPTION

[0020] The utility model relates to a stress testing device for cold bending of glass with a graded loading function. Figure 1-3 As shown, it includes a support plate 1, C-shaped clips 3 are respectively provided on both sides of the top of the support plate 1 through a fixing seat 2, the number of the C-shaped clips 3 is multiple and the intervals are equal, and a test glass is fixed on the multiple C-shaped clips 3, a support seat 4 is provided on the top of the support plate 1, a mounting shell 5 is slidably penetrated on the support seat 4, a sliding hole 6 is provided on one side of the mounting shell 5, a transmission plate 7 is slidably connected to the sliding hole 6, a compression spring 8 is provided in the sliding hole 6, one end of the transmission plate 7 is fitted with the top of the test glass, and the other end of the transmission plate 7 extends into the sliding hole 6 and is connected to the compression spring 8, a jack 9 for applying a cold bending force is provided on the top of the support plate 1, a glass stress detector 10 is provided on the test glass, a height scale plate 11 is provided on the mounting shell 5, and a pointer plate 12 corresponding to the height scale plate 11 is provided on the transmission plate 7. By setting the support plate 1, the C-shaped clips 3 are installed on both sides of the top of the support plate 1, and the C-shaped clips 3 are used for measuring the test glass. The glass is fixed to ensure that the test glass is in a horizontal position on the support plate 1. By setting a support base 4 and a mounting shell 5, the mounting shell 5 is connected to the support base 4 by sliding, so that the mounting shell 5 is close to the test glass, and the transmission plate 7 is placed on the top of the test glass. Then the jack 9 applies a cold bending force from the bottom of the test glass. One end of the test glass bends and rises, driving the transmission plate 7 to rise. The transmission plate 7 drives the compression spring 8 to contract, and the compression spring 8 acts downward on the transmission plate 7, so that the transmission plate 7 fits tightly on the test glass. The corresponding value of the pointer plate 12 on the height scale plate 11 shows the height increase value of one end of the test glass. According to the maximum warping value, the loading is performed at a level of 10 mm. After each level of loading, the displacement and internal stress of the test point are observed and recorded by the glass stress detector 10. The stress test of glass cold bending is performed by graded loading to improve the effect of glass cold bending stress test.

[0021] In the embodiment of the present invention, there are two sliding holes 6 and they are symmetrically opened on the mounting shell 5. The transmission plate 7 is slidably connected with the two sliding holes 6. By setting the above structure, the sliding stability of the transmission plate 7 and the sliding holes 6 is improved.

[0022] In an embodiment of the present invention, a diagonal support plate 13 is provided at the bottom of the transmission plate 7 and is covered above the sliding hole 6, so as to keep the transmission plate 7 in a horizontal position. By providing the diagonal support plate 13, the transmission plate 7 is supported from the bottom so that the transmission plate 7 is in a horizontal position.

[0023] In the embodiment of the present utility model, the top of the support base 4 has an opening 14, the interior of the support base 4 has a cavity and is connected to the opening 14, the bottom of the mounting shell 5 extends to the interior of the support base 4 and is connected to a transmission assembly 15, the transmission assembly 15 includes a screw rod 151, a connecting block 152 and a threaded hole 153, one end of the support base 4 is provided with a threaded hole 153, the threaded hole 153 is internally threadedly connected to the screw rod 151, the side of the mounting shell 5 near the threaded hole 153 is installed with a connecting block 152, one end of the screw rod 151 is connected to the connecting block 152 is rotated and connected. By setting up the transmission component 15, the staff can easily and labor-savingly drive the installation shell 5 to move in the support seat 4. By setting the opening 14, the installation shell 5 passes through the opening 14 to the inside of the support seat 4, and the installation shell 5 is driven to move inside the support seat 4 by the transmission component 15. The screw rod 151 is rotated and the screw rod 151 is threadedly rotated in the threaded hole 153. The screw rod 151 is rotatably connected to the connecting block 152, driving the connecting block 152 to move, and the connecting block 152 drives the installation shell 5 to move.

[0024] In an embodiment of the present utility model, the height of the transmission plate 7 rises by 10 mm at a time. By setting the above structure, the test glass is subjected to a cold bending force through the jack 9, the test glass is warped, and the transmission plate 7 rises by 10 mm at a time.

[0025] In an embodiment of the present utility model, guide rods 16 are provided on both sides of the interior of the support seat 4, and a connecting rod 17 is provided on the connecting block 152, which is engaged and slidably connected with the guide rod 16. By providing the guide rod 16 and the connecting rod 17, the connecting rod 17 is slidably connected to the guide rod 16, so that the mounting shell 5 moves along the length direction of the support seat 4, thereby increasing the stability of the movement of the mounting shell 5.

[0026] In the embodiment of the present invention, a turntable 18 is installed at one end of the screw rod 151 away from the support seat 4. By providing the turntable 18, the staff can rotate the screw rod 151 conveniently and labor-savingly.

[0027] In an embodiment of the present invention, the support seat 4 is installed with the support plate 1 by screwing or clamping. By setting the above structure, the support seat 4 and the support plate 1 are detachably installed, so that the position of the support seat 4 on the support plate 1 can be easily adjusted, thereby facilitating the adjustment of the glass cold bending force test position.

[0028] In the embodiment of the present invention, legs 19 are provided at the four bottom corners of the bottom of the support plate 1. By providing the legs 19, the stability of the support plate 1 on the ground is improved.

[0029] In an embodiment of the present invention, a support plate 20 is provided on the C-shaped clamp 3. By providing the support plate 20, the test glass is supported from the bottom, and the contact area is increased, thereby improving the stability of the connection between the test glass and the C-shaped clamp 3.

[0030] When in use, first, place the test glass on the C-clamp 3, and make sure that the test glass is on the support plate 20, and use the C-clamp 3 to fix the test glass away from the warped end, then fix the bottom of the support seat 4 to the top of the support plate 1 by screwing or clamping, and push the transmission plate 7 so that the bottom of the transmission plate 7 fits the top of the test glass, place the jack 9 on the support plate 1, and apply a cold bending force to the bottom of the test glass at the same time, install the glass stress detector 10 on the top of the test glass, the test glass warps and drives the transmission plate 7 to rise, the transmission plate 7 rises in the sliding hole 6, and drives the compression spring 8 to contract, observe the value of the pointer plate 12 on the height scale plate 11, the transmission plate 7 rises 10mm as one level, then stop loading the jack 9, perform stress detection through the glass stress detector 10, record the stress of the glass, and then load one level again, so as to perform a stress graded loading test for glass cold bending.

[0031] It is understood that the present invention is described by way of certain embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. Furthermore, under the guidance of the present invention, these features and embodiments may be modified to suit specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.

Claims

1. A stress testing device for cold bending of glass with a graded loading function, comprising a support plate (1), characterized in that: C-shaped clamps (3) are respectively provided on both sides of the top of the support plate (1) through the fixing seat (2), the number of the C-shaped clamps (3) is multiple and the spacing is equal, and the test glass is fixed on the multiple C-shaped clamps (3), the top of the support plate (1) is provided with a support seat (4), the support seat (4) is slidably penetrated by a mounting shell (5), a sliding hole (6) is opened on one side of the mounting shell (5), the sliding hole (6) is slidably connected to a transmission plate (7), a compression spring (8) is provided in the sliding hole (6), one end of the transmission plate (7) is fitted with the top of the test glass, and the other end of the transmission plate (7) extends into the sliding hole (6) and is connected to the compression spring (8), a jack (9) for applying a cold bending force is provided on the top of the support plate (1), a glass stress detector (10) is provided on the test glass, a height scale plate (11) is provided on the mounting shell (5), and a pointer plate (12) corresponding to the height scale plate (11) is provided on the transmission plate (7).

2. The stress testing device for cold bending of glass with a graded loading function according to claim 1, characterized in that: The number of the sliding holes (6) is two and they are symmetrically opened on the mounting shell (5), and the transmission plate (7) is slidably connected to the two sliding holes (6).

3. The stress testing device for cold bending of glass with a graded loading function according to claim 1, characterized in that: The bottom of the transmission plate (7) is provided with a diagonal support plate (13) which is arranged above the sliding hole (6) and is used to keep the transmission plate (7) in a horizontal position.

4. The stress testing device for cold bending of glass with a graded loading function according to claim 1, characterized in that: The support seat (4) has an opening (14) at the top, the support seat (4) has a cavity inside and is communicated with the opening (14), the bottom of the mounting shell (5) extends into the interior of the support seat (4) and is connected to a transmission assembly (15), the transmission assembly (15) includes a screw rod (151), a connecting block (152) and a threaded hole (153), one end of the support seat (4) is provided with a threaded hole (153), the threaded hole (153) is internally threadedly connected to the screw rod (151), the connecting block (152) is installed on a side of the mounting shell (5) close to the threaded hole (153), and one end of the screw rod (151) is rotatably connected to the connecting block (152).

5. The stress testing device for cold bending of glass with a graded loading function according to claim 4, characterized in that: The height of the transmission plate (7) rises by 10 mm per level.

6. The stress testing device for cold bending of glass with a graded loading function according to claim 4, characterized in that: Guide rods (16) are provided on both sides of the interior of the support seat (4), and connecting rods (17) are provided on the connecting block (152) and are engaged and slidably connected with the guide rods (16).

7. The stress testing device for cold bending of glass with a graded loading function according to claim 5, characterized in that: A turntable (18) is mounted on one end of the screw rod (151) away from the support seat (4).

8. The stress testing device for cold bending of glass with a graded loading function according to claim 1, characterized in that: The support seat (4) is mounted on the support plate (1) by screw connection or clamping.

9. The stress testing device for cold bending of glass with a graded loading function according to claim 1, characterized in that: Support legs (19) are provided at the four bottom corners of the bottom of the support plate (1).

10. The stress testing device for cold bending of glass with a graded loading function according to claim 1, characterized in that: A supporting plate (20) is provided on the C-shaped clamp (3).