A mechanical performance testing device for building guardrail and a method for using the same

Abstract

The present invention discloses a mechanical property detection device for a building guardrail and a usage method. The detection device includes a base device, a crossbar device, a sliding module, and a loading device; the crossbar device is arranged on the base device; the sliding module includes a guide rail assembly and a moving assembly; the guide rail assembly is arranged on the base device; the moving assembly is detachably and slidably arranged on the guide rail assembly; the loading device is one or more of a soft heavy object, a hard heavy object, and a pressurizing assembly; the soft heavy object can be arranged on the crossbar device for the mechanical property detection of the building guardrail; the hard heavy object can be arranged on the crossbar device for the mechanical property detection of the building guardrail; the pressurizing assembly can be arranged on the moving assembly for the mechanical property detection of the building guardrail; it further includes a non-contact deformation measurement system, which is arranged beside the base device for the deformation measurement of the building guardrail; the present invention can perform multiple mechanical property detections successively, which helps to improve the detection efficiency and is very suitable for on-site detection.

Description

Technical Field

[0001] The invention belongs to the field of mechanical property testing of building guardrails, and specifically relates to mechanical property testing equipment for building guardrails and a use method thereof. Background Art

[0002] Building guardrails are currently widely used in public buildings, civil buildings, industrial buildings and municipal engineering. Guardrails play a key role in protecting people's activities. During the project acceptance, it is required to provide a test report on the building guardrail's resistance to soft and heavy objects, resistance to hard and heavy objects, resistance to horizontal loads, and resistance to vertical loads. Due to the lack of dedicated testing equipment, affected by factors such as the height of the guardrail on site and the spacing between columns, it is necessary to build scaffolding on site according to the actual situation and install loading devices during testing. Its installation, disassembly and transportation are inconvenient, and the detection efficiency is very low. Moreover, since most of the existing testing equipment can only meet the test of one mechanical property, when multiple mechanical property tests are required, multiple sets of testing equipment must be carried; the equipment is large and heavy, and it takes a lot of manpower to transport and reassemble at the test site. At present, there is a lack of a dedicated building guardrail mechanical property testing equipment to be applicable to the testing of the building guardrail's resistance to soft and heavy objects, resistance to hard and heavy objects, resistance to horizontal loads, and resistance to vertical loads; at present, there is also a lack of a scientific method to guide the use of new building guardrail mechanical property testing equipment.

[0003] Therefore, a new technology is needed to solve the problem that the existing technology lacks a method for using a building guardrail mechanical properties testing device; a new technology is needed to solve the problem that the existing technology lacks a method for using a building guardrail mechanical properties testing device. Summary of the invention

[0004] In order to solve the above problems in the prior art, the present invention provides a mechanical properties testing device for building guardrails, which can be used for testing multiple mechanical properties of building guardrails.

[0005] The present invention adopts the following technical solutions:

[0006] A mechanical property testing device for a building guardrail comprises a base device, a crossbar device, a sliding module and a loading device; the base device stands on the ground;

[0007] The crossbar device is arranged on the base device;

[0008] The sliding module comprises a guide rail assembly and a moving assembly; the guide rail assembly is arranged on the base device; the moving assembly is detachable and slidably arranged on the guide rail assembly;

[0009] The loading device is one or more of a soft weight object, a hard weight object, and a pressurizing component;

[0010] The soft heavy object can be arranged on the crossbar device to detect the anti-soft heavy object impact performance of the building guardrail;

[0011] The hard heavy object can be arranged on the crossbar device to detect the anti-hard heavy object impact performance of the building guardrail;

[0012] The pressurizing component can be arranged on the moving component and used for testing the horizontal load resistance performance or vertical load resistance performance of the building guardrail;

[0013] It also includes a non-contact deformation measurement system, which is arranged beside the base device and is used for deformation measurement of the building guardrail.

[0014] Furthermore, the moving assembly includes a first slider and a second cross bar, and the second cross bar is slidably arranged on the guide rail assembly through the first slider; the moving assembly is provided with a first adjustment assembly for adjusting the moving assembly to be fixed on the guide rail assembly.

[0015] Furthermore, the second crossbar is provided with a first guide rail and a second guide rail; the pressurizing assembly includes a jack and a sliding assembly; the jack is arranged on the first guide rail or the second guide rail through a sliding block assembly.

[0016] Furthermore, the pressurizing assembly is provided with a second adjusting assembly for adjusting the pressurizing assembly to be fixed on the first guide rail or the second guide rail.

[0017] Furthermore, it also includes a supporting device; the supporting device is arranged beside the base device, and the rear end of the pressurizing assembly is connected to the supporting device.

[0018] Furthermore, the supporting device comprises a supporting rod; the rear end of the pressurizing assembly is connected to the supporting rod.

[0019] Furthermore, the support device also includes a reaction frame; the reaction frame is arranged beside the base device; one end of the support rod is connected to the rear end of the pressurizing assembly, and the other end of the support rod can be connected to the reaction frame.

[0020] Furthermore, the non-contact deformation measurement system includes a sensing and measuring device, a central device and a processing device; the sensing and measuring device includes a sensor, the sensor is used for deformation measurement of the building guardrail, the sensor is connected to the central device, and the central device is connected to the processing device.

[0021] Furthermore, it also includes a reinforcement component; the reinforcement component is used for bottom reinforcement; the reinforcement component is one or more of an anchor component and a suction cup component.

[0022] Another object of the present invention is to provide a method for using a building guardrail mechanical properties testing device, which can scientifically guide people to use new testing equipment to perform corresponding mechanical properties tests on building guardrails.

[0023] A method for using a mechanical performance testing device for a building guardrail, wherein the method has four uses, corresponding to soft heavy object impact resistance testing, hard heavy object impact resistance testing, horizontal load resistance testing, and vertical load resistance testing; when performing a building guardrail performance test, one or more of the following four methods of use are selected in a targeted manner;

[0024] The first method of use includes the following steps:

[0025] A1. Transport the base device, crossbar device and soft heavy objects to the guardrail to be tested;

[0026] A2. Adjust the height of the base device according to the height of the guardrail to be tested, and install the crossbar device on the top of the base device;

[0027] A3. Suspend the soft heavy object on the crossbar device by wire rope, and conduct two tests on the anti-impact performance of the soft heavy object. Adjust the center of gravity of the soft heavy object to the middle of the span of the guardrail handrail and the center of the railing to be tested respectively.

[0028] A4. Conduct testing and collect relevant data.

[0029] The second method of use includes the following steps:

[0030] B1. Transport the base device, crossbar device and hard heavy objects to the guardrail to be tested;

[0031] B2. Adjust the height of the base device according to the height of the guardrail to be tested, and install the crossbar device on the top of the base device;

[0032] B3. Suspend the hard and heavy object on the crossbar device through the wire rope and adjust the center of gravity of the hard and heavy object to the center of the guardrail;

[0033] B4. Conduct testing and collect relevant data.

[0034] The third method of use includes the following steps:

[0035] C1. Transport the base device, sliding module, pressurizing assembly and supporting device to the guardrail to be tested;

[0036] C2. Install two sets of pressurizing components onto the moving components;

[0037] C3. Install the moving assembly on the guide rail assembly;

[0038] C4. Adjust the moving assembly up and down to a suitable height according to the height of the guardrail handrail, and lock the position of the moving assembly through the first adjusting assembly;

[0039] According to the position of the part to be tested of the guardrail, adjust the two sets of pressurizing components left and right along the horizontal direction of the second crossbar, and make the front ends of the jacks in the two sets of pressurizing components keep in horizontal contact with the part to be tested, and then lock the positions of the two sets of pressurizing components;

[0040] C5. Install the supporting device;

[0041] C51. Install the support rod at the rear end of the jack of the pressurizing assembly and adjust the length so that it is supported on the structure or reaction frame;

[0042] C511. When the support rod is connected to the reaction frame, a reinforcement assembly is installed at the bottom of the reaction frame to ensure that it is stably fixed on the ground;

[0043] C6. Conduct testing and collect relevant data.

[0044] The fourth method of use includes the following steps:

[0045] D1. Transport the base device, sliding module, pressurizing assembly and supporting device to the guardrail to be tested;

[0046] D2. Install two sets of pressurizing components onto the moving components;

[0047] D3. Install the moving assembly onto the guide rail assembly;

[0048] D4. According to the height of the guardrail handrail, adjust the moving assembly up and down to a suitable height, and lock the position of the moving assembly through the first adjustment assembly;

[0049] According to the position of the part to be tested of the guardrail, adjust the two sets of pressurizing components left and right along the horizontal direction of the second crossbar, and make the front ends of the jacks in the two sets of pressurizing components keep in vertical contact with the part to be tested, and then lock the positions of the two sets of pressurizing components;

[0050] D5. Install the supporting device;

[0051] D51. Install the support rod at the rear end of the jack of the pressurizing assembly and adjust the length so that it is supported on the structure or reaction frame;

[0052] D511. When the support rod is connected to the reaction frame, a reinforcement assembly is installed at the bottom of the reaction frame to ensure that it is stably fixed on the ground;

[0053] D6. Conduct testing and collect relevant data.

[0054] Compared with the prior art, the present invention has the following beneficial effects:

[0055] A mechanical property testing device for a building guardrail of the present invention comprises a base device, a crossbar device, a sliding module and a loading device. The base device stands on the ground and can provide a stable bottom foundation for the crossbar device, the sliding module and the loading device, so as to facilitate the subsequent mechanical property testing of the building guardrail. Preferably, the bottom of the base device can be equipped with moving wheels to facilitate the movement of the device. When the mechanical property test is required, only the base device needs to be supported by a person. The crossbar device is arranged on the top of the base device. The sliding module comprises a guide rail assembly and a moving assembly. The guide rail assembly is arranged on the base device, and the moving assembly is detachable and slidably arranged on the guide rail assembly. The loading device is one or more of a soft weight object, a hard weight object and a pressurizing assembly. When the loading device is a soft weight object, the soft weight object is arranged on the crossbar device and is softly moved. A heavy object is used to impact the building guardrail, so as to test the building guardrail's resistance to soft heavy object impact; when the loading device is a hard heavy object, the hard heavy object is set on the cross bar device, and the building guardrail is impacted by the hard heavy object, so as to test the building guardrail's resistance to hard heavy object impact; when the loading device is a pressurizing component, the pressurizing component is set on the moving component, and the building guardrail is load tested by the pressurizing component, so as to test the building guardrail's resistance to horizontal load or vertical load; wherein, the moving component of the present invention is detachably arranged on the guide rail component, and can be removed when no load test is carried out, and can be installed when a load test is required. This design can facilitate the orderly implementation of anti-impact tests and anti-load tests, so that the present invention can carry out multiple mechanical property tests successively.

[0056] The present invention provides a method for using a mechanical property testing device for a building guardrail. The method can scientifically guide people to use a new type of testing device to perform mechanical property tests on the building guardrail, which is beneficial to the smooth acceptance of the building guardrail and to ensuring the safety of the use of the building guardrail. At the same time, the correct method of use is beneficial to increasing the service life of the testing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0057] The technology of the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments:

[0058] Figure 1 It is a three-dimensional structural diagram of the testing equipment when the building guardrail is ready to be tested for its soft heavy object impact resistance performance;

[0059] Figure 2 It is a three-dimensional structural diagram of the testing equipment when the building guardrail is ready to be tested for its resistance to hard heavy object impact performance;

[0060] Figure 3 It is a three-dimensional structural diagram of the testing equipment when the building guardrail is ready to be tested for its horizontal load resistance performance;

[0061] Figure 4 yes Figure 3 A front view of

[0062] Figure 5 is a cross-sectional schematic diagram in which a guide rail is arranged on the second crossbar and a pressurizing assembly is arranged on the guide rail;

[0063] Figure 6 It is a front view of the jack installed in the fixed assembly;

[0064] Figure 7 It is a three-dimensional structural diagram of the testing equipment when the building guardrail is ready to be tested for its vertical load resistance performance;

[0065] Figure 8 yes Figure 7 A front view of

[0066] Fig. 9 It is a connection diagram of the non-contact deformation measurement system;

[0067] Fig.10 is Fig. 9 Schematic diagram of measuring guardrail handrails based on the

[0068] Fig.11 It is a diagram of the connection between the sensor, power supply, receiver, and computer;

[0069] Fig.12 This is a schematic diagram of the arrangement of the sensor measuring device next to the testing equipment when the building guardrail is to be tested for its soft heavy object impact resistance performance;

[0070] Fig.13 This is a schematic diagram of the arrangement of sensor measurement devices next to the testing equipment when the building guardrail is prepared for the horizontal load resistance performance test;

[0071] Fig.14 yes Fig.13 Schematic diagram of the connection between the sensor measurement device, the central device and the processing equipment;

[0072] Fig.15 This is a schematic diagram of the arrangement of sensor measurement devices next to the testing equipment when the building guardrail is ready for the vertical load resistance performance test;

[0073] Fig.16 yes Fig.15 Schematic diagram of the connection between the sensor measurement device, the central device and the processing equipment.

[0074] Reference numerals:

[0075] 1-base device; 11-first vertical rod; 12-second vertical rod; 13-first diagonal brace; 14-second diagonal brace; 15-bottom frame; 16-moving wheel;

[0076] 2-crossbar device; 21-first crossbar; 22-lifting ring;

[0077] 3-sliding module; 31-guide rail assembly; 311-left guide rail; 312-right guide rail; 32-moving assembly; 321-first slider; 322-second crossbar; 323-first guide rail; 324-second guide rail;

[0078] 4-loading device; 41-soft weight object; 42-hard weight object; 43-pressing assembly; 431-jack; 432-sliding assembly; 4321-second slider; 4322-fixing assembly; A-fixing flange; B-clamping clamp; C-clamping bolt; 44-wire rope; D-horizontal direction; E-vertical direction;

[0079] 5-support device; 51-support rod; 52-reaction frame; 521-first vertical rod; 522-support leg; 523-arm frame; 524-third crossbar;

[0080] 6-reinforcement component; 61-anchoring component;

[0081] 7-non-contact deformation measurement system; 71-sensing measurement device; 711-sensor; H-mounting piece; 712-reflector; K-clamp; 713-bracket assembly; F-first bracket; G-second bracket; J-joint; 72-central device; 721-receiver; 73-processing equipment; 731-computer;

[0082] 81- tread; 82- building guardrail column; 83- guardrail handrail. DETAILED DESCRIPTION

[0083] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the present invention, so as to fully understand the purpose, scheme and effect of the present invention. It should be noted that the embodiments in this application and the features in the embodiments can be combined with each other without conflict. The same reference numerals used throughout the drawings indicate the same or similar parts.

[0084] It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature, or it may 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 drawings.

[0085] Reference Figures 1 to 16 , a mechanical property testing device for building guardrails, comprising a base device 1, a crossbar device 2, a sliding module 3 and a loading device 4; the base device 1 stands on the ground;

[0086] The crossbar device 2 is arranged on the base device 1;

[0087] The sliding module 3 includes a guide rail assembly 31 and a moving assembly 32; the guide rail assembly 31 is arranged on the base device 1; the moving assembly 32 is detachably and slidably arranged on the guide rail assembly 31;

[0088] The loading device 4 is one or more of a soft weight object 41, a hard weight object 42, and a pressurizing component 43;

[0089] The soft heavy object 41 can be arranged on the crossbar device 2 to detect the anti-soft heavy object impact performance of the building guardrail;

[0090] The hard heavy object 42 can be arranged on the crossbar device 2 to detect the anti-hard heavy object impact performance of the building guardrail;

[0091] The pressurizing component 43 can be arranged on the moving component 32, and is used for testing the horizontal load resistance performance or the vertical load resistance performance of the building guardrail;

[0092] The detection device further comprises a non-contact deformation measurement system 7, which is arranged beside the base device 1 and is used for deformation measurement of the building guardrail;

[0093] Among them, the soft heavy object impact resistance test, the hard heavy object impact resistance test, the horizontal load resistance test and the vertical load resistance test are carried out successively.

[0094] Reference Figures 1 to 8 In one embodiment, the base device 1 includes a first vertical rod 11, a second vertical rod 12, a first diagonal brace 13, a second diagonal brace 14 and a bottom frame 15, wherein the first vertical rod 11 and the second vertical rod 12 are vertically arranged on the bottom frame 15 and maintain a set spacing; one end of the first diagonal brace 13 is connected to the bottom frame 15, and the other end is obliquely connected to the first vertical rod 11; one end of the second diagonal brace 14 is connected to the bottom frame 15, and the other end is obliquely connected to the second vertical rod 12.

[0095] Reference Figures 1 to 8Preferably, movable wheels 16 are provided at the bottom of the bottom frame 15 to facilitate the movement of the base device 1. During the test, people are required to hold it stable or the reinforcement component 6 is required to reinforce it. The bottom frame 15 can not only serve as a carrier for the first vertical rod 11 and the second vertical rod 12, but also as a carrier for placing other components. When a transfer device is needed, a plate can be installed on the bottom frame 15. After that, the components to be transferred can be placed on the plate, and the base device 1 with movable wheels 16 can assist in the transfer. This design facilitates the transfer of components of the detection equipment and helps to improve the detection efficiency.

[0096] In one embodiment, the first vertical rod 11 and the second vertical rod 12 are height-adjustable.

[0097] In one embodiment, the crossbar device 2 includes a first crossbar 21, and the first crossbar 21 is arranged on the top of the base device 1 in an adjustable height; preferably, the first crossbar 21 is connected to the first vertical bar 11 and the second vertical bar 12 in a sliding connection, which can ensure that the first crossbar 21 is adjusted to a suitable test height, which is convenient for hanging soft heavy objects or hard heavy objects; Figure 4 , the first cross bar 21 is provided with a hanging ring 22; Figure 1 When testing the anti-soft heavy object impact performance of the building guardrail, the soft heavy object 41 is suspended on the ring 22 by a steel wire rope 44, and the soft heavy object 41 swings and impacts the building guardrail (simulating the actual soft object impact); refer to Figure 2 When testing the anti-hard heavy object impact performance of the building guardrail, the hard heavy object 42 is suspended on the hanging ring through the wire rope 44, and the hard heavy object 42 swings to hit the building guardrail (simulating the actual hard object impact).

[0098] Reference Figure 3 and Figure 4 In one embodiment, the moving component 32 includes a first slider 321 and a second cross bar 322, and the second cross bar 322 can be slidably set on the guide rail component 31 through the first slider 321; the moving component 32 is provided with a first adjustment component for adjusting the moving component 32 to be fixed on the guide rail component 31.

[0099] Reference Figure 3 and Figure 4 In one embodiment, the guide rail assembly 31 includes a left guide rail 311 and a right guide rail 312 ; the left guide rail 311 is arranged on the first vertical rod 11 , and the right guide rail 312 is arranged on the second vertical rod 12 .

[0100] Reference Figure 3 and Figure 4In one embodiment, a first guide rail 323 and a second guide rail 324 are provided on the second cross bar 322; the pressurizing assembly 43 includes a jack 431 and a sliding assembly 432; the jack 431 is arranged on the first guide rail 323 or the second guide rail 324 through the sliding block assembly 432.

[0101] Reference Figure 3 , Figure 4 and Figure 5 In one embodiment, the sliding assembly 432 includes a second sliding block 4321 and a fixing assembly 4322 for fixing the jack. During installation, the jack 431 is fixed to the fixing assembly 4322, the fixing assembly 4322 is fixed to the second sliding block 4321, and the second sliding block 4321 is slidably connected to the first guide rail 323 or the second guide rail 324.

[0102] Reference Figure 5 and Figure 6 In one embodiment, the fixing assembly 4322 includes a fixing flange A, a clamping plate B and a clamping bolt C. The jack 431 is installed in the fixing flange A, and then the clamping plate B and the clamping bolt C are used to lock and fix the jack 431.

[0103] In one embodiment, the pressurizing component 43 is provided with a second adjusting component for adjusting the pressurizing component 43 to be fixed on the first guide rail 323 or the second guide rail 324 to prevent the second slider 4321 from moving laterally on the first guide rail 323 or the second guide rail 324 during testing.

[0104] Reference Figure 3 and Figure 4 In one embodiment, when performing a horizontal load resistance test on a building guardrail, the pressurizing assembly 43 is provided with two groups, and therefore, the first guide rail 323 is provided with two groups of sliding assemblies 432 and two jacks 431, and the two jacks 431 are connected in parallel through a synchronization valve; Figure 7 and Figure 8 When conducting a vertical load resistance test on a building guardrail, the pressure-applying assembly 43 is provided with two groups, and therefore, two groups of sliding assemblies 432 are provided on the second guide rail 324, and two jacks 431 are also provided, and the two jacks 431 are connected in parallel through a synchronization valve.

[0105] Reference Figure 3 and Figure 4 (or refer to Figure 7 and Figure 8), in one embodiment, the first guide rail 323 and the second guide rail 324 have the same specifications, and the pressure component 43 can be installed in or removed from both ends of the guide rail (such as the first guide rail). Because the horizontal load resistance test and the vertical load resistance test are carried out independently in sequence, the two sets of pressure components 43 can be removed from the end of the corresponding guide rail (such as the first guide rail) after completing one of the tests, and then installed on the other guide rail (such as the second guide rail) for the next test; through this design, the horizontal load resistance test, the vertical load resistance test, and the front and back tests can share two sets of pressure components 43.

[0106] In one embodiment, the first adjustment component and the second adjustment component are threaded locking handles.

[0107] Reference Figure 3 and Figure 4 (or refer to Figure 7 and Figure 8 ), in one embodiment, the detection equipment further comprises a supporting device 5; the supporting device 5 is arranged beside the base device 1, and the rear end of the pressurizing component 43 is connected to the supporting device 5.

[0108] Reference Figure 3 and Figure 4 (or refer to Figure 7 and Figure 8 ), in one embodiment, the supporting device 5 includes a supporting rod 51; the rear end of the jack 431 in the pressurizing assembly 43 is connected to the supporting rod 51, and the supporting rod 51 can be supported on a structure (such as a wall or a structural column), and can also be connected to a reaction frame 52 developed by the present invention, so that the jack 431 can apply force to the building guardrail during a (horizontal or vertical) load test.

[0109] In one embodiment, the support rod 51 can be adjusted in length.

[0110] Reference Figure 3 and Figure 4 (or refer to Figure 7 and Figure 8 ), in one embodiment, the supporting device 5 also includes a reaction frame 52; the reaction frame 52 is arranged next to the base device 1; one end of the supporting rod 51 is connected to the rear end of the jack 431 in the pressurizing assembly 43, and the other end of the supporting rod 51 can be connected to the reaction frame 52.

[0111] Reference Figure 3 and Figure 4In one embodiment, when conducting a horizontal load resistance test on a building guardrail, the reaction frame 52 includes a first vertical pole 521 and a support leg 522. The first vertical pole 521 is arranged next to the base device 1. One end of the support leg 522 is connected to the first vertical pole 521, and the other end is fixed to the ground to reinforce the first vertical pole 521. At this time, if the jack 431 needs support, the rear end of the jack 431 can be connected to the first vertical pole 521 through the support rod 51.

[0112] Reference Figure 7 and Figure 8 In another embodiment, when conducting a vertical load resistance test on a building guardrail, the reaction frame 52 further includes an arm 523 and a third cross bar 524. The arm 523 is height-adjustably arranged at the upper end of the first vertical pole 521. The third cross bar 524 connects the arm 523 of two adjacent reaction frames. At this time, if the jack 431 needs support, the rear end of the jack 431 can be connected to the third cross bar 524 through the support rod 51.

[0113] Reference Figures 9 to 16 In one embodiment, the non-contact deformation measurement system 7 includes a sensing and measuring device 71, a central device 72 and a processing device 73; the sensing and measuring device 71 includes a sensor 711, and the sensor 711 is used for deformation measurement of a building guardrail, and the sensor 711 is connected to the central device 72, and the central device 72 is connected to the processing device 73.

[0114] Reference Fig. 9 and Fig.10 In one embodiment, the sensing and measuring device 71 also includes a reflective sheet 712 and a bracket assembly 713. The reflective sheet 712 can be installed on the guardrail handrail 83. The bracket assembly 713 can be placed upright near the guardrail handrail 83. The sensor 711 can be arranged on the bracket assembly 713 corresponding to the reflective sheet 712.

[0115] Ginseng Fig.10 In one embodiment, a building guardrail column 82 is provided on the tread 81, and a guardrail handrail 83 is provided on the building guardrail column 82. The reflective sheet 712 is provided with a clip portion K, and the reflective sheet 712 is installed on the guardrail handrail 83 through the clip portion K. The reflective sheet 712 cooperates with the sensor 711 to perform deformation measurement, which can improve the measurement accuracy.

[0116] In one embodiment, the bracket assembly 713 is provided with a height adjustment assembly, and the height adjustment assembly can adjust the height of the bracket assembly 713; preferably, the height adjustment assembly is a threaded locking handle.

[0117] In one embodiment, the height of the support assembly 713 is adjusted by stepless adjustment, and the stepless adjustment can adjust the support assembly 713 to any suitable height; Fig. 9 and Fig.10 Preferably, the support assembly 713 is telescopically adjustable, and the support assembly 713 includes a first support F and a second support G. The first support F is sleeved in the lumen of the second support G and is telescopically movable, and then the position is locked or loosened through the height adjustment assembly.

[0118] In another embodiment, the bracket assembly 713 is adjusted in height by step-by-step adjustment, and the step-by-step adjustment can adjust the bracket assembly 713 to a set height; the bracket assembly 713 includes a first bracket F and a second bracket G, and the first bracket F locks itself at different positions of the second bracket G through a plurality of bolt holes spaced apart in the vertical direction, thereby achieving height adjustment, and the position is locked or loosened through the height adjustment assembly during the process.

[0119] Reference Fig.10 In one embodiment, the sensor 711 is provided with a mounting member H, and the bracket assembly 713 is provided with a coupling member J, and the mounting member H can be connected to the coupling member J.

[0120] Reference Fig.10 In one embodiment, the mounting member H is a fixing seat, and the coupling member J is a fixing plate; in this embodiment, the fixing seat is a magnetic fixing seat, and the fixing plate is a steel plate. This design can facilitate the sensor 711 to be quickly placed on the steel plate of the bracket assembly 713.

[0121] In another embodiment, the mounting piece is a first Velcro, the coupling piece is a second Velcro, and the sensor 711 can be quickly attached to the second Velcro through the first Velcro.

[0122] In one embodiment, the sensor 711 can also be directly fixed to the guardrail handrail 83 according to the site conditions.

[0123] In one embodiment, the sensor 711 is an infrared sensor; the reflective sheet 712 is a reflective sheet.

[0124] In one embodiment, the bracket assembly 713 may be made of steel material or a high-performance composite material, such as aluminum alloy. When the bracket assembly 713 is made of aluminum alloy, the weight of the bracket assembly can be greatly reduced, making it easier to transport and arrange the bracket assembly.

[0125] Reference Fig. 9In one embodiment, the central device 72 includes a receiver 721; the processing device 73 includes a computer 731; the sensor 711 can be connected to the receiver 721 by wire or wirelessly; the receiver 721 can be connected to the computer 731 by wire or wirelessly; in this embodiment, the sensor 711 is provided with a connection port, the sensor 711 is connected to the central device 72 by wire through the connection port, the central device 72 is connected to the computer 731 by wire, and a dedicated deformation measurement program is installed in the computer 731, which can control the sensor 711 and record data; the non-contact deformation measurement system 7 of the present invention can automatically collect and record deformation conditions, and the degree of automation is relatively high.

[0126] Reference Fig.11 In one embodiment, it also includes a power supply; the sensor 711 is connected to the power supply.

[0127] Furthermore, the power supply can also provide power to the central device 72 and the processing device 73.

[0128] Reference Fig. 9 and Fig.12 In one embodiment, the sensor 711, the reflector 712 and the bracket assembly 713 form a set of sensing and measuring devices 71. When measuring the anti-soft heavy object impact performance of the building guardrail, a set of the sensing and measuring devices 71 is arranged to monitor a position of the guardrail handrail, wherein the sensor 711 is connected to the central device 72 by wires, and the central device 72 is connected to the processing equipment 73 by wires.

[0129] Reference Fig.13 and Fig.14 In one embodiment, the sensor 711, the reflector 712 and the bracket assembly 713 form a set of sensing and measuring devices 71. When measuring the horizontal load resistance performance of the building guardrail, five sets of the sensing and measuring devices 71 are arranged to monitor five different positions of the guardrail handrail. The sensors 711 in the five sets of the sensing and measuring devices 71 are all connected to the central device 72 by wires, and the central device 72 is further connected to the processing equipment 73 by wires.

[0130] Reference Fig.15 and Fig.16 In one embodiment, the sensor 711, the reflector 712 and the bracket assembly 713 form a set of sensing and measuring devices 71. When measuring the vertical load resistance performance of the building guardrail, three sets of the sensing and measuring devices 71 are arranged to monitor three different positions of the guardrail handrail. The sensors 711 in the three sets of the sensing and measuring devices 71 are all connected to the central device 72 by wires, and the central device 72 is further connected to the processing equipment 73 by wires.

[0131] Reference Figure 3 and Figure 4 In one embodiment, the detection device also includes a reinforcement component 6; the reinforcement component 6 is used for bottom reinforcement; the reinforcement component 6 is one or more of an anchor component 61 and a suction cup component; when the floor is a rough floor (or other rough floor), the anchor component 61 can be selected for bottom reinforcement; when the floor is a tile floor (or other smooth floor), the suction cup component can be selected for bottom reinforcement; the reinforcement component 6 can be installed on the base device 1 for bottom reinforcement, and can also be installed on the reaction frame 52 of the support device 5 for bottom reinforcement.

[0132] Reference Figure 1 to Figure 2 In one embodiment, the base device 1 and the crossbar device 2 can be made of steel material or a high-performance composite material.

[0133] Preferably, the base device 1 and the crossbar device 2 are made of high-performance composite materials, such as aluminum alloy.

[0134] Another object of the present invention is to provide a method for using a building guardrail mechanical properties testing device, which can scientifically guide people to use new testing equipment to perform corresponding mechanical properties tests on building guardrails.

[0135] A method for using a mechanical performance testing device for a building guardrail, wherein the method has four uses, corresponding to soft heavy object impact resistance testing, hard heavy object impact resistance testing, horizontal load resistance testing, and vertical load resistance testing; when performing a building guardrail performance test, one or more of the following four methods of use are selected in a targeted manner;

[0136] Reference Figure 1 In one embodiment, the first method of use comprises the following steps:

[0137] A1, transport the base device 1, the crossbar device 2 and the soft heavy object 41 to the guardrail to be tested;

[0138] A2. According to the height of the guardrail to be detected, adjust the height of the first vertical rod 11 and the second vertical rod 12, and install the crossbar device 2 on the top of the base device 1;

[0139] A3. Suspend the soft heavy object 41 on the crossbar device 2 by means of a steel wire rope 44, and perform two tests on the anti-impact performance of the soft heavy object, and adjust the center of gravity of the soft heavy object 41 to the middle of the span of the guardrail handrail and the center of the railing to be tested.

[0140] A4. Carry out inspection and collect relevant data according to "Glass and Metal Guardrails for Buildings" JG / T 342-2012.

[0141] Reference Figure 2 In one embodiment, the second method of use comprises the following steps:

[0142] B1, transporting the base device 1, the crossbar device 2 and the hard heavy object 42 to the guardrail to be tested;

[0143] B2. According to the height of the guardrail to be detected, adjust the height of the first vertical rod 11 and the second vertical rod 12, and install the crossbar device 2 on the top of the base device 1;

[0144] B3. Suspend the hard heavy object 42 on the crossbar device 2 by the wire rope 44, and adjust the center of gravity of the hard heavy object 42 to the center of the guardrail;

[0145] B4. Carry out inspection and collect relevant data according to "Glass and Metal Guardrails for Buildings" JG / T 342-2012.

[0146] Reference Figure 3 , Figure 4 and Fig.13 In one embodiment, the third method of use comprises the following steps:

[0147] C1, transport the base device 1, the sliding module 3, the pressurizing assembly 43 and the supporting device 5 to the guardrail to be inspected;

[0148] C2, installing two sets of pressurizing components 43 onto the moving component 32;

[0149] C3, installing the moving assembly 32 on the guide rail assembly 31;

[0150] C4. Adjust the moving assembly 32 up and down to a suitable height according to the height of the guardrail handrail, and lock the position of the moving assembly 32 by the first adjusting assembly;

[0151] According to the position of the guardrail to be inspected, the two sets of pressurizing components 43 are adjusted left and right along the second cross bar 322 in the horizontal direction, and the front ends of the jacks 431 in the two sets of pressurizing components 43 are kept in contact with the to-be-inspected part in the horizontal direction D, and then the positions of the two sets of pressurizing components 43 are locked;

[0152] C5, installing the supporting device 5;

[0153] C51, install the support rod 51 at the rear end of the jack 431 of the pressurizing assembly 43, and adjust the length so that it is supported on a structure (such as a wall or a structural column) or a reaction frame 52 developed by the present invention;

[0154] C511. When the support rod 51 is connected to the reaction frame 52, a reinforcement assembly 6 is installed at the bottom of the reaction frame 52 to ensure that it is stably fixed on the ground;

[0155] C6. Carry out inspection and collect relevant data according to "Glass and Metal Guardrails for Buildings" JG / T 342-2012.

[0156] Reference Figure 7 , Figure 8 and Fig.15 In one embodiment, the fourth method of use comprises the following steps:

[0157] D1, transport the base device 1, the sliding module 3, the pressurizing assembly 43 and the supporting device 5 to the guardrail to be inspected;

[0158] D2, installing two sets of pressurizing components 43 onto the moving component 32;

[0159] D3, installing the moving assembly 32 onto the guide rail assembly 31;

[0160] D4. According to the height of the guardrail handrail, adjust the moving assembly 32 up and down to a suitable height, and lock the position of the moving assembly 32 by the first adjusting assembly;

[0161] According to the position of the guardrail to be inspected, the two sets of pressurizing components 43 are adjusted left and right along the second cross bar 322 in the horizontal direction, and the front ends of the jacks 431 in the two sets of pressurizing components 43 are kept in contact with the to-be-inspected part in the vertical direction E, and then the positions of the two sets of pressurizing components 43 are locked;

[0162] D5, installing the supporting device 5;

[0163] D51, install the support rod 51 at the rear end of the jack 431 of the pressurizing assembly 43, and adjust the length so that it is supported on a structure (such as a structural beam or floor) or a reaction frame 52 developed by the present invention;

[0164] D511. When the support rod 51 is connected to the reaction frame 52, a reinforcement assembly 6 is installed at the bottom of the reaction frame 52 to ensure that it is stably fixed on the ground;

[0165] D6. Conduct testing and collect relevant data according to "Glass and Metal Guardrails for Buildings" JG / T 342-2012.

[0166] In one embodiment, in the A4 step, or the B4 step, or the C6 step, or the D6 step, the non-contact deformation measurement system 7 is used to perform detection and collect relevant data.

[0167] In one embodiment, the detection step of the non-contact deformation measurement system 7 includes the following steps:

[0168] E1. Arrange the positions of the sensor measuring device 71, the central device 72 and the processing device 73 first;

[0169] E2, then connect the sensor measuring device 71, the central device 72 and the processing device 73 respectively;

[0170] E3. After the connection is completed, non-contact deformation measurement and data collection are performed.

[0171] The mechanical properties testing equipment for building guardrails of the present invention has the following technical advantages:

[0172] (1) The present invention can realize the detection of the building guardrail's resistance to soft heavy object impact, hard heavy object impact, horizontal load resistance and vertical load resistance through the combination of different components.

[0173] (2) The present invention can realize three-dimensional stepless sliding adjustment by coordinating the moving assembly and the guide rail assembly, and the guide rail of the second cross bar and the sliding assembly, can realize the detection of guardrails of different heights and different spans, and can realize flexible switching of different detection items.

[0174] (3) The base device of the present invention is made of high-quality aluminum alloy material, which reduces the weight of the detection equipment and facilitates carrying, transportation and movement between different detection positions for external inspection.

[0175] (4) In addition to serving as a supporting structure for other components of the testing equipment, the base device of the present invention can also serve as a transport vehicle for carrying other components of the testing equipment, thereby facilitating the movement and reassembly of the on-site testing equipment.

[0176] For other contents of the mechanical properties testing equipment and the use method of the building guardrail described in the present invention, please refer to the prior art and will not be repeated here.

[0177] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Therefore, any modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the technical solution of the present invention shall still fall within the scope of the technical solution of the present invention.

Claims

1. A mechanical properties testing device for building guardrails, characterized in that: It includes a base device, a crossbar device, a sliding module and a loading device; the base device stands on the ground; The crossbar device is arranged on the base device; The sliding module comprises a guide rail assembly and a moving assembly; the guide rail assembly is arranged on the base device; the moving assembly is detachable and slidably arranged on the guide rail assembly; The loading device is one or more of a soft weight object, a hard weight object, and a pressurizing component; The soft heavy object can be arranged on the crossbar device to detect the anti-soft heavy object impact performance of the building guardrail; The hard heavy object can be arranged on the crossbar device to detect the anti-hard heavy object impact performance of the building guardrail; The pressurizing component can be arranged on the moving component and used for testing the horizontal load resistance performance or vertical load resistance performance of the building guardrail; Also included is a non-contact deformation measurement system, which is arranged beside the base device and is used for deformation measurement of the building guardrail; Wherein, the moving assembly comprises a first slider and a second crossbar, and the second crossbar is slidably arranged on the guide rail assembly through the first slider; the moving assembly is provided with a first adjustment assembly for adjusting the moving assembly to be fixed on the guide rail assembly; The second crossbar is provided with a first guide rail and a second guide rail; the pressurizing assembly includes a jack and a sliding assembly; the jack is arranged on the first guide rail or the second guide rail through a sliding block assembly; The sliding assembly includes a second sliding block and a fixing assembly for fixing the jack; during installation, the jack is fixed on the fixing assembly, the fixing assembly is fixed on the second sliding block, and the second sliding block is slidably connected to the first guide rail or the second guide rail; The fixing assembly includes a fixing flange, a clamping plate and a clamping bolt. During installation, the jack is installed in the fixing flange, and then the jack is locked and fixed by the clamping plate and the clamping bolt.

2. The building guardrail mechanical properties testing equipment according to claim 1 is characterized in that: The pressurizing component is provided with a second adjusting component for adjusting the pressurizing component to be fixed on the first guide rail or the second guide rail.

3. The building guardrail mechanical properties testing equipment according to claim 1 is characterized in that: It also includes a supporting device; the supporting device is arranged beside the base device, and the rear end of the pressurizing assembly is connected to the supporting device.

4. The building guardrail mechanical properties testing equipment according to claim 3 is characterized in that: The supporting device comprises a supporting rod; the rear end of the pressurizing assembly is connected to the supporting rod.

5. The building guardrail mechanical properties testing equipment according to claim 4 is characterized in that: The support device also includes a reaction frame; the reaction frame is arranged beside the base device; one end of the support rod is connected to the rear end of the pressurizing assembly, and the other end of the support rod can be connected to the reaction frame.

6. The building guardrail mechanical properties testing equipment according to claim 1 is characterized in that: The non-contact deformation measurement system includes a sensing and measuring device, a central device and a processing device; the sensing and measuring device includes a sensor, the sensor is used for deformation measurement of a building guardrail, the sensor is connected to the central device, and the central device is connected to the processing device.

7. The building guardrail mechanical properties testing equipment according to claim 1 is characterized in that: It also includes a reinforcement component; the reinforcement component is used for bottom reinforcement; the reinforcement component is one or more of an anchor component and a suction cup component.

8. A method for using the building guardrail mechanical properties testing device according to any one of claims 1 to 7, characterized in that: There are four methods of use, corresponding to the soft heavy object impact resistance test, hard heavy object impact resistance test, horizontal load resistance test and vertical load resistance test respectively; when doing the performance test of the building guardrail, one or more of the following four methods of use are selected; The first method of use includes the following steps: A1. Transport the base device, crossbar device and soft heavy objects to the guardrail to be tested; A2. Adjust the height of the base device according to the height of the guardrail to be tested, and install the crossbar device on the top of the base device; A3. Suspend the soft heavy object on the crossbar device through the steel wire rope, and conduct two soft heavy object impact resistance tests. Adjust the center of gravity of the soft heavy object to the middle of the guardrail handrail and the center of the guardrail to be tested. A4. Conduct testing and collect relevant data. The second method of use includes the following steps: B1. Transport the base device, crossbar device and hard heavy objects to the guardrail to be tested; B2. Adjust the height of the base device according to the height of the guardrail to be tested, and install the crossbar device on the top of the base device; B3. Suspend the hard and heavy object on the crossbar device through the wire rope and adjust the center of gravity of the hard and heavy object to the center of the guardrail; B4. Conduct testing and collect relevant data. The third method of use includes the following steps: C1. Transport the base device, sliding module, pressurizing assembly and supporting device to the guardrail to be tested; C2. Install two sets of pressurizing components onto the moving components; C3. Install the moving assembly on the guide rail assembly; C4. Adjust the moving assembly up and down to a suitable height according to the height of the guardrail handrail, and lock the position of the moving assembly through the first adjusting assembly; According to the position of the part to be tested of the guardrail, adjust the two sets of pressurizing components left and right along the horizontal direction of the second crossbar, and make the front ends of the jacks in the two sets of pressurizing components keep in horizontal contact with the part to be tested, and then lock the positions of the two sets of pressurizing components; C5. Install the supporting device; C51. Install the support rod at the rear end of the jack of the pressurizing assembly and adjust the length so that it is supported on the structure or reaction frame; C511. When the support rod is connected to the reaction frame, a reinforcement assembly is installed at the bottom of the reaction frame to ensure that it is stably fixed on the ground; C6. Conduct testing and collect relevant data. The fourth method of use includes the following steps: D1. Transport the base device, sliding module, pressurizing assembly and supporting device to the guardrail to be tested; D2. Install two sets of pressurizing components onto the moving components; D3. Install the moving assembly onto the guide rail assembly; D4. According to the height of the guardrail handrail, adjust the moving assembly up and down to a suitable height, and lock the position of the moving assembly through the first adjustment assembly; According to the position of the part to be tested of the guardrail, adjust the two sets of pressurizing components left and right along the horizontal direction of the second crossbar, and make the front ends of the jacks in the two sets of pressurizing components keep in vertical contact with the part to be tested, and then lock the positions of the two sets of pressurizing components; D5. Install the supporting device; D51. Install the support rod at the rear end of the jack of the pressurizing assembly and adjust the length so that it is supported on the structure or reaction frame; D511. When the support rod is connected to the reaction frame, a reinforcement assembly is installed at the bottom of the reaction frame to ensure that it is stably fixed on the ground; D6. Conduct testing and collect relevant data.

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