Device for detecting bending resistance of prefabricated part

Abstract

The utility model provides a device for detecting the bending resistance of a prefabricated part. The device comprises a bearing plate, a moving mechanism and a detecting mechanism, wherein the bearing plate is provided with a feeding part, a discharging part and a sliding rail; the moving mechanism comprises a bearing table, a sliding sleeve and a driving device; the sliding sleeve is slidably connected with the sliding rail; the bearing table is located on the upper portion of the sliding sleeve and comprises a supporting part and a waste residue collecting part, and the waste residue collecting part is provided with a movable lining. The driving devices are arranged on the feeding part and the discharging part correspondingly. The detection mechanism comprises a detection frame and a pressurization mechanism, and the detection frame is movably provided with a protection plate. According to the utility model, the moving mechanism is arranged, so that the prefabricated part can be accurately moved into the detection space, which is faster and more convenient; by arranging the movable lining, continuous detection of a plurality of components is realized, and the detection efficiency is improved; by arranging the protection plate, effective shielding is formed, and the safety of the detection process is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of detection devices, in particular to a device for detecting the anti-bending performance of a prefabricated component. Background Art

[0002] The main components of prefabricated buildings or bridge structures are prefabricated reinforced concrete components. Before the main components are put into mass production, they are generally tested for their bending resistance to ensure that their strength meets the standard requirements, thereby ensuring the quality of the building.

[0003] In the prior art, the device for testing the anti-bending performance of prefabricated components is generally a concrete bending toughness testing machine. When in use, the component to be tested is placed on a stand, and the critical point of bending deformation and the degree of bending under different pressures are calculated by applying pressure to evaluate the anti-bending performance. The device requires manual handling of components and is more suitable for testing components of smaller specifications. It is difficult to quickly load and unload large components, and the waste residue generated is difficult to clean, which seriously affects the testing efficiency. At the same time, during the testing process, the prefabricated components are subjected to greater pressure, and it is easy for fragments to splash and injure people, posing a major safety hazard. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a prefabricated component anti-bending performance testing device, which realizes the rapid loading and unloading of large prefabricated components, improves the detection efficiency and safety, and realizes continuous detection of multiple components.

[0005] The technical solution adopted by the utility model is:

[0006] A device for detecting the bending resistance of a prefabricated component, comprising:

[0007] The supporting plate is provided with an upper material portion and a lower material portion opposite to each other, and a plurality of parallel slide rails are provided between the upper material portion and the lower material portion;

[0008] A moving mechanism is slidably connected to the slide rail, and comprises a supporting platform for carrying the prefabricated components, wherein the supporting platform is provided with a waste slag collecting portion;

[0009] The detection mechanism comprises a detection frame and a pressure mechanism arranged on the detection frame, wherein the slide rail passes through the detection frame, and when the moving mechanism drives the prefabricated component to the inside of the detection frame, the pressure mechanism applies pressure to the prefabricated component;

[0010] The detection frame is movably provided with a protective plate for shielding the interior of the detection frame.

[0011] Furthermore, the supporting platform also includes a plurality of supporting parts, and the waste residue collecting parts are recessed downwards between adjacent supporting parts; and the waste residue collecting parts extend in a direction perpendicular to the slide rail.

[0012] Furthermore, the moving mechanism also includes a sliding sleeve and a driving device;

[0013] The sliding sleeve is arranged at the lower part of the supporting platform and cooperates with the sliding rail;

[0014] The driving devices are respectively arranged at the loading part and the unloading part, and are connected with the supporting platform through a traction steel cable.

[0015] Furthermore, the waste residue collecting part is provided with a movable liner, and the movable liner is magnetically connected to the waste residue collecting part.

[0016] Furthermore, the detection frame includes a column, a top plate, a sliding rod and the protective plate;

[0017] The columns are dispersedly arranged on the supporting plate and located outside the slide rail;

[0018] The top plate is arranged on the upper part of the column;

[0019] The slide bars are respectively arranged on the side end surface of the top plate and the side end surface of the supporting plate on the same side thereof, and are parallel to the slide rails;

[0020] The upper and lower ends of the protective plate are respectively slidably connected to the sliding rod.

[0021] Furthermore, the side end surface of the top plate is also provided with a threaded driving rod, the threaded driving rod is parallel to the sliding rod and is connected to the output end of the driving motor;

[0022] A first slider is disposed at the upper end of the protection plate, and the first slider is provided with a thread groove matched with the threaded driving rod and a through hole matched with the sliding rod;

[0023] A second sliding block is disposed at the lower end of the protective plate, and the second sliding block is provided with the through hole matched with the sliding rod of the supporting plate.

[0024] Further, the pressurizing mechanism is arranged in the middle of the top plate, and comprises a hydraulic cylinder, a load sensor, a load distribution beam and a pressurizing rod;

[0025] The telescopic rod of the hydraulic cylinder extends downward, and the load sensor is arranged at the bottom;

[0026] The load distribution beam is connected to the lower part of the plurality of load sensors and is arranged in a direction parallel to the slide rail;

[0027] The pressure rods are dispersedly arranged at the lower part of the load distribution beam.

[0028] Furthermore, limit plates are provided at both ends of the slide rail.

[0029] Furthermore, the protective plate is made of a steel frame and a high-strength glass plate.

[0030] The advantages and positive effects of the utility model are as follows: the utility model realizes the rapid loading and unloading of prefabricated components by setting a moving mechanism, so that the prefabricated components can be accurately moved to the detection space, which is faster and more convenient; by setting a movable lining, waste residue can be cleaned more conveniently, and continuous detection of multiple components can be realized, thereby improving the detection efficiency; by setting a protective plate, the detection space is isolated from the operator, forming an effective shielding, thereby improving the safety of the detection process. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural schematic diagram of a specific embodiment of the utility model;

[0032] Figure 2 It is a schematic diagram of the slide rail structure of a specific embodiment of the utility model;

[0033] Figure 3 It is a top view of a supporting platform of a specific embodiment of the utility model;

[0034] Figure 4 It is a schematic diagram of the movable liner structure of a specific embodiment of the utility model;

[0035] Figure 5 It is a schematic diagram of the protective plate structure of a specific embodiment of the utility model.

[0036] In the figure:

[0037] 1. Support plate 101, loading part 102, unloading part

[0038] 103, slide rail 2, moving mechanism 201, supporting platform

[0039] 2011, support part 2012, waste slag collection part 2013, mobile lining

[0040] 202, sliding sleeve 203, driving device 204, traction cable

[0041] 3. Detection mechanism 301, detection frame 3011, column

[0042] 3012, top plate 3013, slide bar 3014, protective plate

[0043] 3015, threaded driving rod 3016, driving motor 3017, first sliding block

[0044] 3018, second slider 302, pressurizing mechanism 3021, hydraulic cylinder

[0045] 3022, load sensor 3023, load distribution beam 3024, pressure rod DETAILED DESCRIPTION

[0046] The embodiments of the present utility model are described below in conjunction with the accompanying drawings.

[0047] like Figure 1-Figure 5 As shown, the utility model proposes a device for testing the anti-bending performance of prefabricated components, including a supporting plate 1, a moving mechanism 2 and a testing mechanism 3, wherein a loading portion 101 and a unloading portion 102 are arranged at opposite ends of the supporting plate 1, and a plurality of parallel slide rails 103 are arranged between the loading portion 101 and the unloading portion 102; the moving mechanism 2 is slidably connected to the slide rails 103, and includes a supporting platform 201 for carrying the prefabricated components, and the supporting platform 201 is provided with a waste slag collecting portion 2012; the testing mechanism 3 includes a testing frame 301 and a pressurizing mechanism 302, the pressurizing mechanism 302 is arranged on the testing frame 301, and the slide rail 103 passes through the testing frame 301, when the moving mechanism 2 drives the prefabricated components to arrive inside the testing frame 301, the pressurizing mechanism 302 applies pressure to the prefabricated components; the testing frame 301 is movably provided with a protective plate 3014 for shielding the inside of the testing frame 301.

[0048] In this embodiment, the support plate 1 is in the shape of an elongated plate, and the slide rail 103 is arranged along the length direction of the support plate 1; the detection frame 301 is arranged in the middle of the support plate 1, and a detection space for accommodating the support platform 201 and the prefabricated components is arranged inside it, and the slide rail 103 runs through the detection space; when in use, the support platform 201 is moved to the side close to the loading part 101, and the prefabricated components are placed on the support platform 201 through the lifting equipment; the support platform 201 is moved along the slide rail 103 to the detection frame 301, and the protective plate of the detection frame 301 is 3014 moves to the set position to block the detection space; the pressure mechanism 302 applies pressure to the prefabricated component to complete the detection of the prefabricated component's anti-bending performance; during the detection process, the operator is located on the outside of the protective plate 3014 to prevent the flying of fragments generated when the prefabricated component is bent and broken, causing safety accidents; at the same time, the debris generated when the prefabricated component is bent and broken falls to the waste slag collection part 2012, and the waste slag can be conveniently cleaned after the detection is completed, thereby realizing continuous and efficient detection of multiple prefabricated components.

[0049] The number of slide rails 103 can be set according to demand. In the present embodiment, there are four slide rails 103 which are evenly and dispersedly arranged on the upper surface of the supporting plate 1. Limiting plates are provided at both ends of the slide rails 103 to prevent the supporting platform 201 from falling off the slide rails.

[0050] The protective plate 3014 can be constructed on one or two sides of the detection frame 301 parallel to the slide rail 103; in the present embodiment, one protective plate 3014 is provided to separate the operator from the detection space, and has good safety protection performance; preferably, a plurality of protective plates 3014 are provided, and a plurality of protective plates 3014 are movably provided on the detection frame 301, so that the detection space is completely closed during the detection process, and has a better safety protection effect.

[0051] In this embodiment, Figure 3 As shown, in order to better support prefabricated components of different shapes, the support platform 201 also includes a plurality of support parts 2011, which are arranged on the upper part of the support platform 201, and the length direction of which is perpendicular to the slide rail 103 and extends to the two slide rails 103 at the outermost edge; usually, the pressure part of the prefabricated component is the middle part of its length direction, and the length direction of the prefabricated component is supported by a plurality of support parts 2011, with the purpose of making it more stably fixed on the support platform 201; at the same time, the space between two adjacent support parts 2011 is recessed downward to form a waste residue collection part 2012, preferably, when the prefabricated component is placed on the support part 2011, its preset pressure part is arranged above the waste residue collection part 2012, and the waste residue generated by the bending damage of the prefabricated component during the detection process directly falls into the waste residue collection part 2012, so that the waste residue can be cleaned up promptly and quickly after the detection is completed.

[0052] In a specific embodiment, the number of the supporting parts 2011 is two, and a waste residue collecting part 2012 is formed by a depression between the two supporting parts 2011 .

[0053] The present application can be used to test the bending resistance of prefabricated panels or prefabricated piles in buildings or bridges. Such components are not only large in size but also heavy, and are difficult to carry manually. In order to more conveniently move the prefabricated components into the detection space, the moving mechanism 2 also includes a sleeve 202 and a driving device 203. The sleeve 202 is arranged at the lower part of the supporting platform 201, and cooperates with the slide rail 103 to slide along the length direction of the slide rail 103. The driving device 203 is respectively arranged at the loading part 101 and the unloading part 102, and is respectively connected to the two ends of the supporting platform 201 through the traction cable 204. In other words, by starting the driving device 203 located at one end of the slide rail 103, the traction cable 204 and the supporting platform 201 can be driven to move from the other end to the end, thereby realizing the accurate movement of the prefabricated components into the detection space, which is faster and more convenient.

[0054] Specifically, the bottom end of the slide rail 103 is connected to the top end of the support plate 1, and the slide sleeve 202 is sleeved on the upper end of the slide rail 103, and its shape matches the shape of the slide rail 103, so that the slide sleeve 202 is not easy to be separated when moving along the slide rail 103;

[0055] In this embodiment, the driving device 203 adopts a winch, which is respectively fixed to the loading part 101 and the unloading part 102 through a frame. By running the winch, the traction cable 204 can be shortened or extended; traction rings are provided at both ends of the supporting platform 201, and the traction rings are connected to the traction cable 204. When one of the driving devices 203 is running to shorten the traction cable 204, the supporting platform 201 is synchronously moved along the slide rail 103, and finally the precise movement of the prefabricated component is realized, so that the pressed part is moved to the bottom of the pressurizing mechanism 302.

[0056] Preferably, in order to collect the waste slag more conveniently, the waste slag collecting part 2012 is provided with a movable lining 2013, and the movable lining 2013 is magnetically connected to the side wall of the waste slag collecting part 2012. The debris generated when the prefabricated component is bent and broken falls onto the movable lining 2013. After the inspection is completed and the prefabricated component is removed, the mobile lining 2013 can be removed to achieve rapid cleaning of the waste slag.

[0057] In a specific embodiment, Figure 3-Figure 4 As shown, the movable liner 2013 is made of a canvas pad, which is arranged inside the waste slag collecting part 2012 and extends to the supporting part 2011 on both sides; the canvas pad and the side walls of the waste slag collecting part 2012 are respectively provided with magnetic suction plates and steel plates, the purpose of which is to make the movable liner 2013 fit and fix to the waste slag collecting part 2012, and at the same time it can be more conveniently removed, so as to quickly complete the cleaning of the waste slag, thereby improving the detection efficiency and realizing continuous detection of multiple components.

[0058] In a preferred embodiment, the detection frame 301 includes a column 3011, a top plate 3012, a slide bar 3013 and a protective plate 3014; the columns 3011 are dispersedly arranged on the support plate 1 and are located on the outside of the slide rail 103, the top plate 3012 is arranged on the upper part of the columns 3011, the columns 3011 and the top plate 3012 together constitute a detection space, the slide rail 103 runs through the detection space, and the driving device 203 drives the support platform 201 and the prefabricated component to enter or leave the detection space; the slide bars 3013 are respectively arranged on the top plate 3012 and the slide bar 3013. The side end surface of the plate 3012 and the side end surface of the supporting plate 1 on the same side are arranged parallel to the slide rail 103. Preferably, the side end surface of the top plate 3012 and the side end surface of the supporting plate 1 are located in the same plane; the upper and lower ends of the protective plate 3014 are respectively slidably connected to the slide rod 3013; when in use, when the supporting platform 201 and the prefabricated component reach the set position in the detection space, move the protective plate 3014 to block one side of the detection frame 301 to prevent fragments generated during the detection process from flying out of the detection space and causing safety accidents.

[0059] Preferably, if Figure 1 , Figure 5As shown, a threaded drive rod 3015 is also provided on the side end surface of the top plate 3012, and the threaded drive rod 3015 is parallel to the slide rod 3013 and connected to the output end of the drive motor 3016; a first slider 3017 is provided on the upper end of the protective plate 3014, and the first slider 3017 is provided with a threaded groove matching with the threaded drive rod 3015 and a through hole matching with the slide rod 3013; a second slider 3018 is provided on the lower end of the protective plate 3014, and the second slider 3018 is also configured with a through hole matching with the slide rod 3013. Specifically, the first slider 3017 is connected to the slide rod 3013 and the threaded drive rod 3015 located on the side end surface of the top plate 3012, and the second slider 3018 is connected to the slide rod 3013 located on the side end surface of the support plate 1; when in use, the drive motor 3016 drives the threaded drive rod 3015 to rotate, and then drives the first slider 3017 to move along the threaded drive rod 3015, and the slide rods 3013 located above and below play a limiting role, thereby realizing the smooth sliding of the protective plate 3014 and completing the shielding of the detection space.

[0060] Preferably, both ends of the sliding rod 3013 and the threaded driving rod 3015 are fixed by connecting seats respectively, so as to further improve the stability of the protective plate 3014.

[0061] Preferably, the protective plate 3014 is made of a steel frame and a high-strength glass plate, so that it has good impact resistance and is convenient for operators to observe and better monitor the stress and deformation of the prefabricated components.

[0062] In this embodiment, Figure 1 As shown, the pressurizing mechanism 302 is arranged in the middle of the top plate 3012, including a hydraulic cylinder 3021, a load sensor 3022, a load distribution beam 3023 and a pressurizing rod 3024; the telescopic rod of the hydraulic cylinder 3021 extends downward, and a load sensor 3022 is arranged at the bottom; the load distribution beam 3023 is connected to the lower part of multiple load sensors 3022, and is arranged in a direction parallel to the slide rail 103; the pressurizing rod 3024 is dispersedly arranged at the lower part of the load distribution beam 3023.

[0063] In this embodiment, two hydraulic cylinders 3021 are configured, and a load sensor 3022 is provided at the bottom of the telescopic rod of the two hydraulic cylinders 3021. A load distribution beam 3023 is provided at the lower part of the two load sensors 3022, and two pressure rods 3024 are provided at the lower part of the load distribution beam 3023. During detection, the detection part of the prefabricated component is located below the pressure rod 3024. The hydraulic cylinder 3021 is started to drive the pressure rod 3024 to move downward to pressurize the prefabricated component.

[0064] In order to make the pressure exerted by the two pressure rods 3024 on the prefabricated components equal, the two pressure rods 3024 have the same relative position with the two hydraulic cylinders 3021 respectively.

[0065] In a specific embodiment, the detection method using the above-mentioned prefabricated component anti-bending performance detection device includes the following steps:

[0066] S1, start the driving device 203, make the supporting platform 201 close to the loading part 101, install the movable liner on the waste slag collecting part 2012, and make it fit with the waste slag collecting part 2012;

[0067] S2, using lifting equipment to lift the prefabricated component to be tested to the support platform 201; placing the prefabricated component in a horizontal state on the support part 2011;

[0068] S3. Install strain gauges and displacement meters on prefabricated components. Specifically, the strain gauges are fixed to the preset compression and tension zones of the prefabricated components by epoxy resin, and the displacement meters are set at the bottom of the preset compression parts of the prefabricated components. The strain gauges and displacement meters are connected to a computer; the computer is used to store data transmitted by the strain gauges and displacement meters.

[0069] S4, start the driving device 203 located at the unloading part 102 to shorten the traction cable 204, drive the supporting platform 201 and the prefabricated component to move synchronously to the bottom of the pressing mechanism 302, and align the pressing rod 3024 with the preset pressing position of the prefabricated component.

[0070] S5, starting the driving motor 3016 to move the protection plate 3014 to one side of the detection frame 301 to shield the inside of the detection frame 301;

[0071] S6, start the hydraulic cylinder 3021, make the pressure rod 3024 abut against the top of the prefabricated component, adjust the pressure value to gradually increase, and calculate the critical value of the prefabricated component bending and the bending range under different pressures;

[0072] S7, start the driving device 203 located at the unloading part 102, so that the supporting platform 201 and the prefabricated component move synchronously to the unloading part 102;

[0073] S8. Remove the prefabricated components by lifting equipment;

[0074] S9. Remove the mobile liner 2013 and clean up the concrete debris.

[0075] The utility model realizes the rapid loading and unloading of prefabricated components by arranging a moving mechanism, so that the prefabricated components can be accurately moved into the detection space, which is faster and more convenient; by arranging a movable lining, waste residue can be cleaned more conveniently, thereby improving the detection efficiency and realizing continuous detection of multiple components; by arranging a protective plate, the detection space is isolated from the operator, forming an effective shielding, thereby improving the safety of the detection process.

[0076] The above is a detailed description of the embodiments of the utility model, but the contents are only preferred embodiments of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A device for testing the bending resistance of prefabricated components, characterized in that: include: The supporting plate is provided with an upper material portion and a lower material portion opposite to each other, and a plurality of parallel slide rails are provided between the upper material portion and the lower material portion; A moving mechanism is slidably connected to the slide rail, and comprises a supporting platform for carrying the prefabricated components, wherein the supporting platform is provided with a waste slag collecting portion; The detection mechanism comprises a detection frame and a pressure mechanism arranged on the detection frame, the slide rail passes through the detection frame, and when the moving mechanism drives the prefabricated component to the inside of the detection frame, the pressure mechanism applies pressure to the prefabricated component; The detection frame is movably provided with a protective plate for shielding the interior of the detection frame.

2. The device for detecting the anti-bending performance of prefabricated components according to claim 1, characterized in that: The supporting platform further comprises a plurality of supporting parts, and the adjacent supporting parts are recessed downward to form the waste residue collecting part; the waste residue collecting part extends in a direction perpendicular to the slide rail.

3. The device for detecting the anti-bending performance of prefabricated components according to claim 2, characterized in that: The moving mechanism also includes a sliding sleeve and a driving device; The sliding sleeve is arranged at the lower part of the supporting platform and cooperates with the sliding rail; The driving devices are respectively arranged at the loading part and the unloading part, and are connected with the supporting platform through a traction steel cable.

4. The device for detecting the anti-bending performance of prefabricated components according to claim 3 is characterized in that: The waste residue collecting part is provided with a movable liner, and the movable liner is magnetically connected to the waste residue collecting part.

5. The device for detecting the anti-bending performance of prefabricated components according to any one of claims 1 to 4, characterized in that: The detection frame includes a column, a top plate, a sliding rod and the protective plate; The columns are dispersedly arranged on the supporting plate and located outside the slide rail; The top plate is arranged on the upper part of the column; The slide bars are respectively arranged on the side end surface of the top plate and the side end surface of the supporting plate on the same side thereof, and are parallel to the slide rails; The upper and lower ends of the protective plate are respectively slidably connected to the sliding rod.

6. The device for detecting the anti-bending performance of prefabricated components according to claim 5, characterized in that: The side end surface of the top plate is also provided with a threaded driving rod, the threaded driving rod is parallel to the sliding rod and is connected to the output end of the driving motor; A first slider is disposed at the upper end of the protection plate, and the first slider is provided with a thread groove matched with the threaded driving rod and a through hole matched with the sliding rod; A second sliding block is disposed at the lower end of the protective plate, and the second sliding block is provided with the through hole matched with the sliding rod of the supporting plate.

7. The device for detecting the anti-bending performance of prefabricated components according to claim 6, characterized in that: The pressurizing mechanism is arranged in the middle of the top plate, and comprises a hydraulic cylinder, a load sensor, a load distribution beam and a pressurizing rod; The telescopic rod of the hydraulic cylinder extends downward, and the load sensor is arranged at the bottom; The load distribution beam is connected to the lower part of the plurality of load sensors and is arranged in a direction parallel to the slide rail; The pressure rods are dispersedly arranged at the lower part of the load distribution beam.

8. The device for testing the anti-bending performance of prefabricated components according to claim 1, characterized in that: Limiting plates are arranged at both ends of the slide rail.

9. The device for testing the anti-bending performance of prefabricated components according to claim 7, characterized in that: The protective plate is made of a steel frame and a high-strength glass plate.

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