Standard sample of rebound modulus tester

Abstract

The utility model provides a rebound modulus tester standard sample, and relates to the technical field of rebound modulus test.The rebound modulus tester standard sample comprises a supporting box, a fixing frame is fixedly installed on the outer side of the supporting box, fixing sleeves are fixedly installed at the four corners of the top of the fixing frame, and sliding blocks are slidably installed on the inner sides of the fixing sleeves. A rebound modulus tester needing to be calibrated is placed on the inner side of a mounting plate, a second electric telescopic rod is controlled to drive a pressing fixing plate to fix the rebound modulus tester, a C-shaped clamping groove is formed in the upper portion of the mounting plate, so that the device can fix measuring instruments of different sizes, a first motor is controlled to drive a worm to rotate, and the rebound modulus tester is calibrated. The worm drives the plurality of worms to rotate through the belt pulley and the synchronous belt, so that the worms can drive the screw rod to rotate through the turbine, the screw rod can drive the sliding block to slide on the inner side of the fixed sleeve through screw-thread fit after rotation, and the sliding block can drive the measuring instrument to adjust the height.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of modulus of resilience test, especially relates to modulus of resilience tester standard sample. BACKGROUND

[0002] In the field of road engineering, building engineering etc., modulus of resilience is one of important indexes for measuring material mechanics performance. Modulus of resilience tester is special equipment for measuring material modulus of resilience, and standard sample is the key factor for guaranteeing the accuracy and reliability of test result. At present, the existing modulus of resilience tester standard sample on market has some deficiencies, such as unreasonable structure, complex manufacturing process, unstable performance etc. These problems all influence the accuracy and reliability of test result.

[0003] In the prior art, the standard samples of multiple testers need to be stored in the box when in use, and need to be taken out and fixed when measuring. Since the specifications of the multiple testers are different, it is inconvenient to fix them. Therefore, the modulus of resilience tester standard sample is provided. UTILITY MODEL CONTENT

[0004] Therefore, the modulus of resilience tester standard sample is provided to solve the above technical problems to some extent.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The modulus of resilience tester standard sample comprises a support box, a fixing frame is fixedly installed outside the support box, a fixing sleeve is fixedly installed at the top of the four corners of the fixing frame, a sliding block is slidably installed inside the fixing sleeve, an installation plate is fixedly installed at the top of the sliding block, a lifting assembly is arranged above the fixing frame, a replacing assembly is arranged above the support box, and a fixing mechanism is arranged above the installation plate.

[0007] As a further improvement of the above scheme, the lifting assembly comprises a first motor, a worm, a lead screw, a turbine, a belt pulley and a synchronous belt, the first motor is fixedly installed at the front side of the fixing frame, the worm is fixedly installed at the output end of the first motor, the worm is rotatably installed at the left and right sides of the inner side of the fixing frame, the lead screw is rotatably installed at the top of the four corners of the fixing frame, the turbine is fixedly installed at the outer side of the lead screw, the belt pulley is fixedly installed at the outer side of the worm, the synchronous belt is tautly arranged at the outer side of the belt pulley, and the worm and the turbine are engaged.

[0008] Through the above technical scheme, the worm can be driven to rotate by the worm wheel and the synchronous belt after the worm rotates, the screw rod can be driven to rotate by the worm, the sliding block can be driven to slide up and down by the screw rod through thread cooperation, the inside of the sliding block is provided with a threaded hole, and the sliding block simultaneously slides up and down depending on the thread direction cooperation of the screw rod and the sliding block above the screw rod, so that the sliding block can slide simultaneously after the screw rod rotates.

[0009] As a further improvement of the above scheme, the replacement assembly comprises a rotating disc, a battery compartment, a first electric telescopic rod, a clamping block, a standard sample for resilience modulus tester, a second motor, a drive shaft and a transmission gear, the rotating disc is rotatably installed on the top of the support box, the battery compartment is fixedly installed on the top of the rotating disc, the first electric telescopic rod is fixedly installed on the inside of the rotating disc, the clamping block is fixedly installed on the output end of the first electric telescopic rod, the standard sample for resilience modulus tester is arranged on the inside of the rotating disc, the second motor is fixedly installed on the inside of the support box, the drive shaft is fixedly installed on the output end of the second motor, and the transmission gear is fixedly installed on the outside of the drive shaft.

[0010] Through the above technical scheme, the transmission gear can drive the rotating disc to rotate after the transmission gear rotates, and the standard sample for resilience modulus tester above the rotating disc can be adjusted in position, so that the device can be used for calibrating different measuring instruments.

[0011] As a further improvement of the above scheme, the fixing mechanism comprises a second electric telescopic rod and a downward pressing fixing plate, the second electric telescopic rod is fixedly installed on the top of the mounting plate and left and right sides thereof, and the downward pressing fixing plate is fixedly installed on the output end of the second electric telescopic rod.

[0012] Through the above technical scheme, the measuring instrument can slide into the inside of the mounting plate, so that the second electric telescopic rod drives the downward pressing fixing plate to descend, the downward pressing fixing plate can press and fix the measuring instrument, and the measuring instrument can be measured in cooperation with the standard sample for resilience modulus tester after being fixed.

[0013] As a further improvement of the above scheme, the mounting plate is provided with a sliding-in groove, the top of the mounting plate is provided with a C-shaped placing groove, and the downward pressing fixing plate has the same shape as the placing groove.

[0014] As a further improvement of the above scheme, the top of the rotating disc is provided with a plurality of clamping grooves, and the standard sample for resilience modulus tester is arranged in the inside of the clamping grooves.

[0015] As a further improvement of the above scheme, a gear groove is formed around the outside of the rotating disc, and the transmission gear is engaged with the adjacent gear groove.

[0016] As a further improvement of the above scheme, the inner side of the fixed sleeve is provided with a limiting groove, and the outer side of the sliding block is provided with a limiting block which is slidingly installed in the inner side of the limiting groove.

[0017] Compared with the prior art, the rebound modulus tester standard sample has the beneficial effects that:

[0018] (1) The rebound modulus tester standard sample of the utility model, through setting the lifting assembly (1), the rebound modulus tester that needs to be calibrated is placed at the inner side of the mounting plate, the second electric telescopic rod is controlled to drive the lower pressing fixed plate to fix it, the C-shaped clamping groove is set at the upper side of the mounting plate, so that the device can fix the measuring instrument of different sizes, the first motor is controlled to drive the worm to rotate, the worm drives multiple worms to rotate through the belt pulley and synchronous belt, the worm can drive the lead screw to rotate through the turbine, the lead screw can drive the sliding block to slide at the inner side of the fixed sleeve after rotating through the thread cooperation, and the sliding block can drive the measuring instrument to adjust the height;

[0019] (2) The rebound modulus tester standard sample of the utility model, through setting the replacement assembly, different rebound modulus tester standard samples can be used according to different measuring instruments, the rebound modulus tester standard sample can be placed at the inner side of the turntable, the first electric telescopic rod is controlled to drive the clamping block to clamp and fix it, the second motor is controlled to drive the driving shaft and the transmission gear to rotate, the transmission gear can drive the turntable to rotate through the tooth groove at the upper side of the turntable, so that the corresponding rebound modulus tester standard sample moves to the lower side of the measuring instrument, and the device is convenient and fast for measuring and calibrating the measuring instrument.

[0020] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The three-dimensional structure schematic diagram of the rebound modulus tester standard sample provided by the utility model is shown;

[0022] Figure 2 The three-dimensional diagram of the explosion part structure of the rebound modulus tester standard sample provided by the embodiment of the present application is shown;

[0023] Figure 3 The three-dimensional diagram of the explosion part structure of the rebound modulus tester standard sample provided by the embodiment of the present application is shown; Figure 2 The enlarged structure schematic diagram of A in the middle is shown;

[0024] Figure 4 The three-dimensional diagram of the explosion part structure of the rebound modulus tester standard sample provided by the embodiment of the present application is shown;

[0025] Figure 5A schematic view showing a three-dimensional view of part of the structure of a standard sample of a modulus of resilience tester is shown.

[0026] Reference signs:

[0027] 1, lifting assembly; 2, replacement assembly; 3, fixing mechanism; 4, support box; 5, fixing frame; 6, fixing sleeve; 7, sliding block; 8, mounting plate;

[0028] 11, first motor; 12, worm; 13, screw rod; 14, turbine; 15, pulley; 16, synchronous belt;

[0029] 21, turntable; 22, battery compartment; 23, first electric telescopic rod; 24, clamping block; 25, standard sample for modulus of resilience tester; 26, second motor; 27, drive shaft; 28, transmission gear;

[0030] 31, second electric telescopic rod; 32, downward pressing fixing plate. DETAILED DESCRIPTION

[0031] In order to further understand the inventive content, characteristics and effects of the present application, the following embodiments are exemplified and described in detail as follows in conjunction with the drawings.

[0032] The structure of the present application will be described in detail below in conjunction with the drawings.

[0033] Reference Figures 1-5 The standard sample for modulus of resilience tester comprises a support box 4, a fixing frame 5 fixedly installed on the outer side of the support box 4, a fixing sleeve 6 fixedly installed on the top four corners of the fixing frame 5, a sliding block 7 slidably installed on the inner side of the fixing sleeve 6, a mounting plate 8 fixedly installed on the top of the sliding block 7, a lifting assembly 1 arranged above the fixing frame 5, a replacement assembly 2 arranged above the support box 4, and a fixing mechanism 3 arranged above the mounting plate 8.

[0034] In the embodiment, the lifting assembly 1 comprises a first motor 11, a worm 12, a screw rod 13, a turbine 14, a pulley 15 and a synchronous belt 16. The first motor 11 is fixedly installed on the front side of the fixing frame 5, the worm 12 is fixedly installed on the output end of the first motor 11, the worm 12 is rotatably installed on the inner side of the fixing frame 5, the screw rod 13 is rotatably installed on the top four corners of the fixing frame 5, the turbine 14 is fixedly installed on the outer side of the screw rod 13, the pulley 15 is fixedly installed on the outer side of the worm 12, the synchronous belt 16 is tautly arranged on the outer side of the pulley 15, and the worm 12 and the turbine 14 are engaged. The device can drive the mounting plate 8 to lift, so that different measuring instruments can be installed, the lifting assembly 1 can drive different measuring instruments to lift and measure, and thus the device can meet the internal use of the laboratory.

[0035] In the embodiment, the replacement assembly 2 comprises a rotating disc 21, a battery compartment 22, a first electric telescopic rod 23, a clamping block 24, a standard sample for resilience modulus tester 25, a second motor 26, a driving shaft 27 and a transmission gear 28. The rotating disc 21 is rotatably installed on the top of the support box 4. The battery compartment 22 is fixedly installed on the top of the rotating disc 21. The first electric telescopic rod 23 is fixedly installed on the inner side of the rotating disc 21. The clamping block 24 is fixedly installed on the output end of the first electric telescopic rod 23. The standard sample for resilience modulus tester 25 is arranged on the inner side of the rotating disc 21. The second motor 26 is fixedly installed on the inner side of the support box 4. The driving shaft 27 is fixedly installed on the output end of the second motor 26. The transmission gear 28 is fixedly installed on the outer side of the driving shaft 27. The transmission gear 28 can drive the rotating disc 21 to rotate after being rotated, so that the rotating disc 21 drives the standard sample for resilience modulus tester 25 on the inner side to rotate to the position. The device can use the corresponding standard sample for resilience modulus tester 25 to measure after installing different measuring instruments. The resilience modulus tester is prior art, which is internally provided with a loading device, a loading head, a displacement sensor, a data acquisition card and a microprocessor. The loading head can contact the standard sample for resilience modulus tester 25 and transmit pressure. The displacement sensor can measure the displacement change when rebounding. The measuring instrument is prior art, so the utility model does not make superfluous repetition.

[0036] In the embodiment, the fixing mechanism 3 comprises a second electric telescopic rod 31 and a pressing fixed plate 32. The second electric telescopic rod 31 is fixedly installed on the top of the mounting plate 8 on both sides. The pressing fixed plate 32 is fixedly installed on the output end of the second electric telescopic rod 31.

[0037] In the embodiment, the mounting plate 8 is provided with a sliding groove. The top of the mounting plate 8 is provided with a C-shaped placing groove. The shape of the pressing fixed plate 32 is the same as that of the placing groove. The measuring instrument can be placed on the inner side of the mounting plate 8. The pressing fixed plate 32 can press and fix the measuring instrument.

[0038] In the embodiment, the top of the rotating disc 21 is provided with a plurality of clamping grooves. The standard sample for resilience modulus tester 25 is arranged on the inner side of the clamping groove. The clamping groove facilitates the placement of the standard sample for resilience modulus tester 25, so that the first electric telescopic rod 23 can drive the clamping block 24 to clamp and fix the standard sample for resilience modulus tester 25.

[0039] In the embodiment, a plurality of gear grooves are arranged on the outer side of the rotating disc 21. The transmission gear 28 is engaged with the adjacent gear groove. The transmission gear 28 can be matched with the gear groove after being rotated, so that the transmission gear 28 can drive the rotating disc 21 to rotate, thereby adjusting the position of the standard sample for resilience modulus tester 25.

[0040] In this embodiment, the inner side of the fixed sleeve 6 is provided with a limiting groove, the outer side of the sliding block 7 is provided with a limiting block, and the limiting block is slidingly installed on the inner side of the limiting groove; the limiting groove facilitates the sliding block 7 to be less likely to rotate with the lead screw 13 after being stressed, so that the sliding block 7 can only slide on the inner side of the fixed sleeve 6.

[0041] Specific operation is that the rebound modulus tester to be calibrated is placed on the inner side of the mounting plate 8, the second electric telescopic rod 31 is controlled to drive the lower pressing fixed plate 32 to fix it, the C-shaped clamping groove is formed on the upper side of the mounting plate 8, so that the device can fix the measuring instruments of different sizes, the first motor 11 is controlled to drive the worm 12 to rotate, the worm 12 drives multiple worms 12 to rotate through the belt pulley 15 and the synchronous belt 16, the worm 12 drives the lead screw 13 to rotate through the turbine 14, the lead screw 13 drives the sliding block 7 to slide on the inner side of the fixed sleeve 6 through the threaded cooperation after rotating, and the sliding block 7 drives the measuring instrument to adjust the height; different rebound modulus tester standard samples 25 can be used according to different measuring instruments, the rebound modulus tester standard sample 25 is placed on the inner side of the turntable 21, the first electric telescopic rod 23 is controlled to drive the clamping block 24 to clamp and fix it, the second motor 26 is controlled to drive the driving shaft 27 and the transmission gear 28 to rotate, the transmission gear 28 drives the turntable 21 to rotate through the tooth groove on the upper side of the turntable 21, so that the corresponding rebound modulus tester standard sample 25 moves to the lower side of the measuring instrument, and the device is more convenient and fast for measuring and calibrating the measuring instrument.

[0042] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0043] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A standard test specimen for a modulus of resilience tester, characterized in that, include: A support box (4) is provided with a fixed frame (5) fixedly installed on the outside of the support box (4). Fixed sleeves (6) are fixedly installed at the four corners of the top of the fixed frame (5). Sliding blocks (7) are slidably installed on the inside of the fixed sleeves (6). An installation plate (8) is fixedly installed on the top of the sliding blocks (7). A lifting component (1) is provided above the fixed frame (5). A replacement component (2) is provided above the support box (4). A fixing mechanism (3) is provided above the installation plate (8).

2. The resilient modulus tester standard specimen of claim 1, wherein, The lifting assembly (1) includes a first motor (11), a worm (12), a lead screw (13), a turbine (14), a pulley (15), and a timing belt (16). The first motor (11) is fixedly installed on the front side of the fixed frame (5). The worm (12) is fixedly installed on the output end of the first motor (11). The worm (12) is rotatably installed on the left and right sides of the inner side of the fixed frame (5). The lead screw (13) is rotatably installed on the top four corners of the fixed frame (5). The turbine (14) is fixedly installed on the outside of the lead screw (13). The pulley (15) is fixedly installed on the outside of the worm (12). The timing belt (16) is tensioned on the outside of the pulley (15). The worm (12) and the turbine (14) mesh with each other.

3. The resilient modulus tester standard specimen of claim 1, wherein, The replacement component (2) includes a turntable (21), a battery compartment (22), a first electric telescopic rod (23), a clamping block (24), a standard sample (25) for a spring modulus tester, a second motor (26), a drive shaft (27), and a transmission gear (28). The turntable (21) is rotatably mounted on the top of the support box (4). The battery compartment (22) is fixedly mounted on the top of the turntable (21). The first electric telescopic rod (23) is fixedly mounted on the inner side of the turntable (21). The clamping block (24) is fixedly mounted on the output end of the first electric telescopic rod (23). The standard sample (25) for a spring modulus tester is set on the inner side of the turntable (21). The second motor (26) is fixedly mounted on the inner side of the support box (4). The drive shaft (27) is fixedly mounted on the output end of the second motor (26). The transmission gear (28) is fixedly mounted on the outer side of the drive shaft (27).

4. The resilient modulus tester standard specimen of claim 1, wherein, The fixing mechanism (3) includes a second electric telescopic rod (31) and a pressing fixing plate (32). The second electric telescopic rod (31) is fixedly installed on the top left and right sides of the mounting plate (8), and the pressing fixing plate (32) is fixedly installed on the output end of the second electric telescopic rod (31).

5. The resilient modulus tester standard specimen of claim 4, wherein, The mounting plate (8) has a sliding groove, and the top of the mounting plate (8) has a C-shaped placement groove. The shape of the pressing fixing plate (32) is the same as the shape of the placement groove.

6. The resilient modulus tester standard specimen of claim 3, wherein, The top of the turntable (21) is provided with multiple slots, and the standard sample (25) of the spring modulus tester is set inside the slots.

7. The resilient modulus tester standard specimen of claim 3, wherein, The turntable (21) has a toothed groove around its outer circumference, and the transmission gear (28) meshes with the adjacent toothed groove.

8. The standard specimen for the resilient modulus tester according to claim 1, characterized in that, The inner side of the fixed sleeve (6) is provided with a limiting groove, and the outer side of the sliding block (7) is provided with a limiting block, which is slidably installed on the inner side of the limiting groove.

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