Device for detecting horizontal repeated load resistance of building guardrail

Abstract

The utility model discloses a device for detecting the horizontal repeated load resistance of a building guardrail. The device comprises a carrier device, a loading device and a measuring device, the carrier device comprises a first supporting assembly and a second supporting assembly, the first supporting assembly can be arranged on the ground, the second supporting assembly is connected with the first supporting assembly, and the second supporting assembly can stand on the outer side of the guardrail; the loading device comprises a driving device, a first loading assembly and a second loading assembly, the driving device is arranged on the carrier device, the measuring device comprises a first measuring piece and a second measuring piece, and the first loading assembly is arranged on the first supporting assembly and is connected with the driving device after being connected with the first measuring piece; the second loading assembly is arranged on the second supporting assembly and is connected with the driving device after being connected with the second measuring piece; the device is very suitable for detecting the horizontal repeated load resistance of the building guardrail on site, and can solve the problem that the outer side of the guardrail is suspended on site in the past and is difficult to test.

Description

Technical Field

[0001] The utility model belongs to the technical field of horizontal repeated load resistance performance detection of building guardrails, and in particular relates to a detection device for the horizontal repeated load resistance performance of building guardrails. Background Art

[0002] Building guardrails are currently widely used in public buildings, civil buildings, industrial buildings and municipal buildings. Guardrails play a key role in protecting people's activities. In the project acceptance requirements, the corresponding horizontal repeated load resistance performance test report is required during acceptance. At present, the research on building guardrail detection devices is mostly focused on horizontal load resistance, and there is less research on horizontal repeated load resistance; the detection devices for the horizontal repeated load resistance performance of guardrails on the market are mainly used in laboratories, which are not suitable for on-site testing. The detection devices used in the past have limited operational capabilities, large size, heavy weight, difficult disassembly and inconvenient transportation, and it is difficult to meet the on-site guardrail resistance to horizontal repeated load detection needs; the outer side of the on-site guardrail is mostly suspended, which is not convenient for applying test loads on the outside, which increases the difficulty of the horizontal repeated load test between the inner and outer sides of the guardrail; At present, there is a lack of a dedicated detection device to facilitate the on-site building guardrail resistance to horizontal repeated load performance detection.

[0003] Therefore, a new technology is needed to solve the problem that the prior art lacks a detection device for the horizontal repeated load resistance performance of building guardrails. Utility Model Content

[0004] In order to solve the above problems in the prior art, the utility model provides a detection device for the horizontal repeated load resistance performance of a building guardrail, which is very suitable for on-site horizontal repeated load resistance performance detection of the building guardrail, and can facilitate the application of test loads to the outer side of the building guardrail.

[0005] The utility model adopts the following technical solutions:

[0006] A device for detecting the horizontal repeated load resistance of a building guardrail, comprising a carrier device, a loading device and a measuring device; the carrier device comprises a first support assembly and a second support assembly, the first support assembly can be set on the ground, the second support assembly is connected to the first support assembly, and the second support assembly can stand outside the guardrail; the loading device comprises a driving device, a first loading assembly and a second loading assembly, the driving device is set on the carrier device, the measuring device comprises a first measuring piece and a second measuring piece, the first loading assembly is set on the first supporting assembly, and after the first measuring piece is connected, it is connected to the driving device; the second loading assembly is set on the second supporting assembly, and after the second measuring piece is connected, it is connected to the driving device.

[0007] Furthermore, the second supporting assembly is adjustably connected to the first supporting assembly.

[0008] Furthermore, the first supporting assembly can be fixed on the ground by a suction cup assembly or an anchoring assembly.

[0009] Furthermore, the first supporting assembly includes a vertical rod and a diagonal brace, one end of the vertical rod can be set on the ground, and the other end of the vertical rod can be connected to the second supporting assembly; one end of the diagonal brace can be set on the ground, and the other end can be obliquely connected to the vertical rod.

[0010] Furthermore, the second support assembly includes a connecting rod, a cross rod and a vertical arm rod, the connecting rod is connected to the first support assembly, one end of the cross rod is connected to the connecting rod, and the other end of the cross rod is connected to the vertical arm rod.

[0011] Furthermore, the first loading assembly includes a first fixed pulley, a first steel wire rope and a first adsorption member; the first fixed pulley is arranged on the first supporting assembly; one end of the first steel wire rope is connected in series with the first measuring member and then connected to the driving device, and the other end of the first steel wire rope is connected to the first adsorption member after passing around the first fixed pulley.

[0012] Furthermore, the second loading assembly includes a fixed pulley group, a second steel wire rope and a second adsorption member, and the fixed pulley group is arranged on the second supporting assembly; one end of the second steel wire rope is connected in series with the second measuring member and then connected to the driving device, and the other end of the second steel wire rope is connected to the second adsorption member after passing around the fixed pulley group.

[0013] Furthermore, the first adsorption component is a glass suction cup.

[0014] Furthermore, the driving device is a manual rotating wheel or a driving motor.

[0015] Furthermore, the first measuring member and the second measuring member are both dynamometers.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model discloses a detection device for the horizontal repeated load resistance performance of a building guardrail, comprising a carrier device, a loading device and a measuring device, wherein the carrier device comprises a first supporting assembly and a second supporting assembly, the first supporting assembly can be flexibly fixed on the ground on site, not only can it provide a carrier for the first loading assembly to attach to (facilitating the first loading assembly to perform a tensile load test on the inner surface of the guardrail at the inner side of the guardrail), but also can provide a stable connection foundation for the second supporting assembly; the second supporting assembly is connected to the first supporting assembly and can be suspended on the outer side of the guardrail, providing a carrier for the second loading assembly to attach to, facilitating the second loading assembly to perform a tensile load test on the outer surface of the guardrail at the outer side of the guardrail.

[0018] The loading device of the utility model comprises a driving device, a first loading assembly and a second loading assembly, wherein the driving device can be arranged at any height position of the carrier device according to actual needs, so as to facilitate driving the first loading assembly and the second loading assembly to perform a load test; the first loading assembly is arranged on the first supporting assembly, and when the mechanical properties of the guardrail are tested on site, the first loading assembly can be adsorbed on the surface of the inner side of the guardrail plate, and can perform a tensile load test under the drive of the driving device, while the second loading assembly is arranged on the second supporting assembly, and the second loading assembly is also connected to the driving device. During the test, the second loading assembly can be adsorbed on the surface of the outer side of the guardrail plate on the outer side of the guardrail, and can perform a tensile load test under the drive of the driving device.

[0019] During the test, the adsorption position of the first loading component on the inner side of the guardrail and the adsorption position of the second loading component on the outer side of the guardrail must face each other, so as to ensure the accuracy of the test results of the guardrail's resistance to horizontal repeated loads; wherein, the measuring device of the utility model includes a first measuring piece and a second measuring piece, the first measuring piece is arranged between the connection between the first loading component and the driving device, and the second measuring piece is arranged between the connection between the second loading component and the driving device. During the test, the first measuring piece can monitor the pulling force applied by the driving device to the first loading component, and the second measuring piece can monitor the pulling force applied by the driving device to the second loading component. Through clear data display, the scientific nature of the test process can be guaranteed, and the accuracy of the test results can be guaranteed.

[0020] The utility model is very suitable for on-site testing of the horizontal repeated load resistance performance of building guardrails, and can facilitate the application of test loads to the outer side of the building guardrail, which can solve the problem that it is difficult to conduct tests on the outer side of the on-site guardrail in the past. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The technology of the utility model is further described in detail below in conjunction with the accompanying drawings and specific embodiments:

[0022] Figure 1 It is a front view of the detection device from the first viewing angle;

[0023] Figure 2 is a three-dimensional schematic diagram of the first viewing angle of the detection device;

[0024] Figure 3 is a front view of the detection device from a second viewing angle;

[0025] Figure 4 It is a stereoscopic schematic diagram of the detection device from a second viewing angle.

[0026] Reference numerals:

[0027] 1-carrier device; 11-first support assembly; 111-vertical rod; 112-diagonal brace; 12-second support assembly; 121-connecting rod; 122-cross rod; 123-vertical arm;

[0028] 2-loading device; 21-driving device; 211-manual rotating wheel; 22-first loading assembly; 221-first fixed pulley; 222-first steel wire rope; 223-first adsorption member; 23-second loading assembly; 231-fixed pulley group; 2311-second fixed pulley; 2312-third fixed pulley; 2313-fourth fixed pulley; 232-second steel wire rope; 233-second adsorption member;

[0029] 3- measuring device; 31- first measuring piece; 32- second measuring piece;

[0030] 4- Anchor assembly. DETAILED DESCRIPTION

[0031] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the utility model, so as to fully understand the purpose, scheme and effect of the utility model. It should be noted that the embodiments and features in the embodiments in this application can be combined with each other without conflict. The same reference numerals used throughout the drawings indicate the same or similar parts.

[0032] It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it can be directly fixed or connected to the other feature, or it can be indirectly fixed or connected to the other feature. In addition, the descriptions of up, down, left, right, etc. used in the present invention are only relative to the relative positional relationship of the components of the present invention in the accompanying drawings.

[0033] Reference Figures 1 to 4A device for detecting the horizontal repeated load resistance of a building guardrail comprises a carrier device 1, a loading device 2 and a measuring device 3; the carrier device 1 comprises a first supporting assembly 11 and a second supporting assembly 12, the first supporting assembly 11 can be set on the ground, the second supporting assembly 12 is connected to the first supporting assembly 11, and the second supporting assembly 12 can stand outside the guardrail; the loading device 2 comprises a driving device 21, a first loading assembly 22 and a second loading assembly 23, the driving device 21 is arranged on the carrier device 1, the measuring device 3 comprises a first measuring piece 31 and a second measuring piece 32, the first loading assembly 22 is arranged on the first supporting assembly 11, and is connected to the driving device 21 after connecting the first measuring piece 31; the second loading assembly 23 is arranged on the second supporting assembly 12, and is connected to the driving device 21 after connecting the second measuring piece 32.

[0034] Reference Figures 1 to 4 In one embodiment, the second support assembly 12 is adjustably connected to the first support assembly 11. This design can facilitate the detection device to be flexibly applied to the mechanical properties detection of guardrails of different heights.

[0035] In one embodiment, the second support assembly 12 is connected to the first support assembly 11 by stepless adjustment (such as sliding connection), and the height of the second support assembly 12 can be adjusted by stepless adjustment, so that the second loading assembly can act on the appropriate position of the outer surface of the guardrail during the load test.

[0036] In one embodiment, the second support assembly 12 is connected to the first support assembly 11 in a stepped adjustment manner. The second support assembly 12 is provided with an adjustment section (such as a plurality of bolt holes arranged in the adjustment section) to adjust the connection with the first support assembly 11. The height of the second support assembly 12 can be adjusted through the adjustment section, so that the second loading assembly can act on a suitable position on the outer surface of the guardrail during the load test.

[0037] In one embodiment, the first support assembly 11 can be fixed on the ground through a suction cup assembly or an anchor assembly 4; when the on-site ground is a tiled ground (or other smooth ground), the first support assembly 11 can be fixed on the ground through a suction cup assembly; Figures 1 to 4 When the on-site ground is a rough ground (or other rough ground), the first support assembly 11 can be fixed to the ground through the anchor assembly 4; this design improves the adaptability of the detection device to different floor working conditions.

[0038] Reference Figures 1 to 4In one embodiment, the first support assembly 11 includes a vertical rod 111 and a diagonal brace 112, one end of the vertical rod 111 can be set on the ground, and the other end of the vertical rod 111 can be connected to the second support assembly 12; wherein, when one end of the vertical rod 111 is set on the ground, a suitable suction cup assembly or anchor assembly 4 can be flexibly selected for fixation, and when the other end of the vertical rod 111 is connected to the second support assembly 12, a stepped adjustment connection or a stepless adjustment connection can be flexibly selected; one end of the diagonal brace 112 can be set on the ground, and the other end can be obliquely connected to the vertical rod 111; wherein, when one end of the diagonal brace 112 is set on the ground, a suitable suction cup assembly or anchor assembly 4 can be flexibly selected for fixation, and the main function of the diagonal brace is to strengthen the vertical rod 111 and increase its stability as a carrier.

[0039] Reference Figures 1 to 4 In one embodiment, the second support assembly includes a connecting rod 121, a crossbar 122 and a vertical arm 123;

[0040] The connecting rod 121 is connected to the vertical rod 111 of the first supporting assembly 11. When connected, a step-adjustable connection, a stepless adjustment connection, or a direct rigid connection can be selected; when a step-adjustable connection is selected, an adjustment section is preferably provided on the connecting rod 121, and height adjustment is achieved by arranging a plurality of bolt holes on the adjustment section. At this time, the connecting rod 121 and the vertical rod 111 are bolted; when a stepless adjustment connection is selected, the connecting rod 121 is preferably slidably connected to the vertical rod 111, and the position is locked by a locking assembly; when a direct rigid connection is selected, the connecting rod 121 and the vertical rod 111 are preferably bolted and fixed (rigid, not disassembled), and welding can also be selected;

[0041] One end of the cross bar 122 is connected to the connecting rod 121; when connected, it is preferably a detachable connection, and the detachable connection here is fixed by bolts and angle brackets;

[0042] The other end of the cross bar 122 is connected to the vertical arm 123; when connected, it is preferred that the other end of the cross bar 122 is detachably connected to the vertical arm 123, and the detachable connection method here is fixed with bolts and angle brackets.

[0043] Reference Figures 1 to 4 In one embodiment, the vertical rod 111, the connecting rod 121, the cross rod 122 and the vertical arm rod 123 are all pipes with square cross-sections; the vertical rod 111, the diagonal brace 112, the connecting rod 121, the cross rod 122 and the vertical arm rod 123 can be made of steel or high-performance composite materials, such as aluminum alloy; when high-performance composite materials are selected, the overall weight of the detection device can be greatly reduced, which is convenient for transportation and on-site assembly.

[0044] Reference Figures 1 to 4 In one embodiment, the first loading assembly 22 includes a first fixed pulley 221, a first steel wire rope 222 and a first adsorption member 223; the first fixed pulley 221 is arranged on the vertical rod 111 of the first supporting assembly 11; one end of the first steel wire rope 222 is connected in series with the first measuring member 31 and then connected to the driving device 21, and the other end of the first steel wire rope 222 is connected to the first adsorption member 223 after passing around the first fixed pulley 221; wherein, the driving device 21 is arranged on the vertical rod 111.

[0045] Preferably, the first fixed pulley 221 is arranged on the vertical rod 111 in a height-adjustable manner.

[0046] Reference Figures 1 to 4 In one embodiment, the second loading assembly 23 includes a fixed pulley group 231, a second steel wire rope 232 and a second adsorption member 233, and the fixed pulley group 231 is arranged on the second support assembly 12; one end of the second steel wire rope 232 is connected in series with the second measuring member 32 and then connected to the driving device 21, and the other end of the second steel wire rope 232 is connected to the second adsorption member 233 after passing around the fixed pulley group 231.

[0047] Reference Figures 1 to 4 In one embodiment, the fixed pulley group 231 includes a second fixed pulley 2311, a third fixed pulley 2312 and a fourth fixed pulley 2313, the second fixed pulley 2311 is arranged below the vertical arm 123, the third fixed pulley 2312 is arranged at one end of the cross bar 122, and the fourth fixed pulley 2313 is arranged at the other end of the cross bar 122; specifically, one end of the second steel wire rope 232 is connected in series with the second measuring piece 32 and then connected to the driving device 21, and the other end of the second steel wire rope 232 is connected to the second adsorption piece 233 after passing around the third fixed pulley 2312, the fourth fixed pulley 2313 and the second fixed pulley 2311 in sequence.

[0048] Reference Figure 1 In one embodiment, the first adsorption member 223 is a glass suction cup, which is used to be adsorbed on the center position of the inner side of the guardrail panel, so as to facilitate the tensile load test on the inner side; the second adsorption member 233 is a glass suction cup, which is used to be adsorbed on the center position of the outer side of the guardrail panel, so as to facilitate the tensile load test on the outer side.

[0049] In one embodiment, the driving device 21 is a manual rotating wheel 211 or a driving motor.

[0050] Reference Figure 1In one embodiment, the first measuring member 31 and the second measuring member 32 are both dynamometers.

[0051] Reference Figure 1 In this embodiment, the driving device 21 is a manual rotating wheel 211. After the first steel wire rope 222 is connected to the first measuring piece 31, the first measuring piece 31 is then connected to the rotating shaft of the manual rotating wheel 211 in a clockwise manner through the steel wire rope. Conversely, after the second steel wire rope 232 is connected to the second measuring piece 32, the second measuring piece 32 is then connected to the rotating shaft of the manual rotating wheel 211 in a counterclockwise manner through the steel wire rope.

[0052] Reference Figures 1 to 4 In one embodiment, the method for using the detection device of the utility model comprises the following steps:

[0053] S1. Fix the vertical rod 111 and the diagonal brace 112 on the ground inside the guardrail to be tested;

[0054] S2. Install the first fixed pulley 221 on the vertical rod 111 according to the height of the center position of the guardrail panel;

[0055] S3, installing the third fixed pulley 2312 and the fourth fixed pulley 2313 on the crossbar 122; installing the second fixed pulley 2311 on the vertical arm 123;

[0056] S4. Connect the connecting rod 121 of the second supporting assembly 12 to the top of the vertical rod 111 according to the height of the center position of the guardrail panel;

[0057] S5, installing the manual rotating wheel 211 on the vertical rod 111;

[0058] S6, adsorbing and connecting the first adsorption member 223 to the center position of the inner side of the guardrail panel, and adsorbing and connecting the second adsorption member 233 to the center position of the outer side of the guardrail panel;

[0059] S7, winding the first steel wire rope 222 clockwise around the rotating shaft of the manual rotating wheel 211, and connecting it in series with the first measuring member 31, and then passing through the first fixed pulley 221, and connecting to the first adsorption member 223;

[0060] The second steel wire rope 232 is wound counterclockwise and fixed on the rotating shaft of the manual rotating wheel 211 , and is connected in series with the second measuring member 32 , and then passes through the third fixed pulley 2312 , the fourth fixed pulley 2313 and the second fixed pulley 2311 in sequence, and is connected to the second adsorption member 233 .

[0061] S8, rotate the manual wheel 211 counterclockwise to make the first measuring member 31 reach 1000N and stabilize for 3s; then, rotate the manual wheel 211 clockwise to make the second measuring member 32 reach 1000N and stabilize for 3s;

[0062] S9. Repeat the operation of S8 10 times.

[0063] By means of the detection device and the use method of the utility model, the user can efficiently complete the detection of the horizontal repeated load resistance performance of the guardrail panel on site.

[0064] For other contents of the detection device for the horizontal repeated load resistance performance of a building guardrail described in the utility model, please refer to the prior art and will not be repeated here.

[0065] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Therefore, any modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A device for testing the horizontal repeated load resistance performance of a building guardrail, characterized in that: It includes a carrier device, a loading device and a measuring device; the carrier device includes a first supporting assembly and a second supporting assembly, the first supporting assembly can be set on the ground, the second supporting assembly is connected to the first supporting assembly, and the second supporting assembly can stand on the outside of the guardrail; the loading device includes a driving device, a first loading assembly and a second loading assembly, the driving device is set on the carrier device, the measuring device includes a first measuring piece and a second measuring piece, the first loading assembly is set on the first supporting assembly, and after being connected to the first measuring piece, it is connected to the driving device; the second loading assembly is set on the second supporting assembly, and after being connected to the second measuring piece, it is connected to the driving device.

2. The device for detecting the horizontal repeated load resistance of a building guardrail according to claim 1 is characterized in that: The second supporting assembly is adjustably connected to the first supporting assembly.

3. The device for detecting the horizontal repeated load resistance of a building guardrail according to claim 1 is characterized in that: The first supporting assembly can be fixed on the ground by a suction cup assembly or an anchoring assembly.

4. The device for detecting the horizontal repeated load resistance of a building guardrail according to claim 1 is characterized in that: The first supporting assembly includes a vertical rod and an oblique brace, one end of the vertical rod can be set on the ground, and the other end of the vertical rod can be connected to the second supporting assembly; one end of the oblique brace can be set on the ground, and the other end can be obliquely connected to the vertical rod.

5. The device for detecting the horizontal repeated load resistance of a building guardrail according to claim 1 is characterized in that: The second supporting assembly comprises a connecting rod, a cross rod and a vertical arm rod, wherein the connecting rod is connected to the first supporting assembly, one end of the cross rod is connected to the connecting rod, and the other end of the cross rod is connected to the vertical arm rod.

6. The device for detecting the horizontal repeated load resistance of a building guardrail according to claim 1 is characterized in that: The first loading assembly includes a first fixed pulley, a first steel wire rope and a first adsorption member; the first fixed pulley is arranged on the first supporting assembly; One end of the first steel wire rope is connected in series with the first measuring member and then connected to the driving device, and the other end of the first steel wire rope is connected to the first adsorption member after passing around the first fixed pulley.

7. The device for detecting the horizontal repeated load resistance of a building guardrail according to claim 1 is characterized in that: The second loading assembly comprises a fixed pulley block, a second steel wire rope and a second adsorption member, and the fixed pulley block is arranged on the second supporting assembly; One end of the second steel wire rope is connected in series with the second measuring member and then connected to the driving device, and the other end of the second steel wire rope is connected to the second adsorption member after passing around the fixed pulley block.

8. The device for detecting the horizontal repeated load resistance performance of a building guardrail according to claim 6, characterized in that: The first adsorption component is a glass suction cup.

9. The device for detecting the horizontal repeated load resistance of a building guardrail according to claim 1, characterized in that: The driving device is a manual rotating wheel or a driving motor.

10. The device for detecting the horizontal repeated load resistance performance of a building guardrail according to claim 1, characterized in that: The first measuring piece and the second measuring piece are both dynamometers.

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