Calibrating device for brake disc inner distance ruler

Abstract

A brake disc inner distance ruler calibration device comprises a calibration measuring rod, a base, an indicating value calibration assembly and a measuring rod measuring force calibration assembly, the indicating value calibration assembly and the measuring rod measuring force calibration assembly are connected to the base, the indicating value calibration assembly comprises a movable measuring seat and an adjustable measuring seat, the bottom end of the movable measuring seat and the bottom end of the adjustable measuring seat are located on a base sliding rail, and the measuring rod measuring force calibration assembly is located on the base sliding rail. A fixed measuring head is arranged on the inner side of the movable measuring seat, a differential measuring head corresponding to the fixed measuring head in position is arranged on the inner side of the adjustable measuring seat, a microdrum capable of reading the distance between the fixed measuring head and the differential measuring head is connected to the outer side of the differential measuring head, and the measuring rod measuring force calibration assembly comprises a force measuring screw positioning seat, a force measuring adjusting screw and a dynamometer. The force measuring screw positioning seat is connected with the front side of the movable measuring seat through a connecting device, and the dynamometer is connected with the front side of the adjustable measuring seat through a connecting device. According to the utility model, verification and calibration of the indicating value of the brake disc inner distance ruler and the measuring force of the measuring rod can be simply and rapidly completed, and the detection precision and efficiency are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of calibrating devices of measuring tool, in particular to a kind of brake disc inner distance ruler calibrating device. BACKGROUND

[0002] Brake disc inner distance ruler is a kind of professional measuring tool for measuring brake disc inner distance, its structure can see Chinese patent with patent application No.202021630464.8.For ensuring brake disc inner distance ruler measurement accuracy, improve maintenance efficiency and meet industry standard requirements, brake disc inner distance ruler's indication and measuring rod measurement force need to be periodically verified and calibrated.

[0003] Currently, there is no device specially used for calibrating brake disc inner distance ruler indication, and industry staff mainly uses (0-1000) mm vernier caliper to detect brake disc inner distance ruler indication error, which has the disadvantage of low detection accuracy, and the indication error of caliper exceeds 0.07mm, which cannot meet the detection requirement of brake disc inner distance ruler indication error ±0.15mm. There is also no special tool specially used for detecting brake disc inner distance ruler measuring rod measurement force, and industry staff needs to fix force gauge by means of flat plate and multiple magnetic force table, and then adopts hand push brake disc inner distance ruler to realize detection of measuring rod measurement force. This measurement method needs to be improved in detection accuracy and efficiency. SUMMARY

[0004] The utility model aims at the defects existing in the prior art, and provides a kind of brake disc inner distance ruler calibrating device, which can simply and quickly complete the indication and measuring rod measurement force verification and calibration of brake disc inner distance ruler, and effectively improve detection accuracy and efficiency.

[0005] The utility model discloses a technical scheme which is adopted to realize the above-mentioned purpose is: a brake disc inner distance ruler calibration device, including the proofreading amount pole, base, the indication calibration subassembly and the measuring rod measurement force calibration subassembly, and the indication calibration subassembly and the measuring rod measurement force calibration subassembly are connected on the base respectively, and the base is long strip, and the base includes bottom locating block, connecting plate and slide rail, and the bottom locating block bottom end is even and can be positioned on the worktable, and the connecting plate is connected on the bottom locating block and extends vertically upward, and the slide rail is connected on the connecting plate top end, the indication calibration subassembly includes movable measuring seat and adjustable measuring seat, and the movable measuring seat and adjustable measuring seat bottom end are positioned at the both ends position of base slide rail respectively, and the movable measuring seat and adjustable measuring seat all can slide relative to the slide rail, and the movable measuring seat inboard is provided with fixed measuring head, and the adjustable measuring seat inboard is provided with the differential measuring head corresponding with the fixed measuring head position each other, and the differential measuring head outboard is connected with the differential cylinder that can read the distance between fixed measuring head and differential measuring head, the measuring rod measurement force calibration subassembly includes force screw positioning seat, force adjusting screw and force gauge, and the force screw positioning seat is connected with movable measuring seat front side through connecting device, and the force gauge is connected with adjustable measuring seat front side through connecting device, and the force adjusting screw extends to the side where the force gauge is from the inside to the outside and passes the internal thread hole of force screw positioning seat and extends, and the force touch of force gauge extends inward and is opposite with the position of force adjusting screw.

[0006] The further technical scheme of the utility model is: the movable measuring seat includes movable sliding block, fixed measuring head mounting block, clamping plate I, and the movable sliding block is positioned on the slide rail, and the fixed measuring head mounting block is connected on the inboard upper end of movable sliding block, and the fixed measuring head is installed on the inboard surface of fixed measuring head mounting block, and the clamping plate I is connected on the upper end of fixed measuring head mounting block.

[0007] The further technical scheme of the utility model is: the inboard upper end of movable sliding block is provided with movable measuring seat locking screw that can fix movable measuring seat on the slide rail of base.

[0008] The further technical scheme of the utility model is: the adjustable measuring seat includes adjustable sliding block, differential measuring head mounting block, clamping plate II, and the adjustable sliding block is positioned on the slide rail, and the differential measuring head mounting block is connected on the inboard upper end of adjustable sliding block, and the differential measuring head is installed on the inboard surface of differential measuring head mounting block, and the differential cylinder is connected on the outboard of differential measuring head mounting block, and the inboard of differential cylinder passes through differential measuring head mounting block and is connected with differential measuring head, and the clamping plate II is connected on the upper end of differential measuring head mounting block, and the position of clamping plate II and clamping plate I each other corresponds.

[0009] The further technical scheme of the utility model is: the inboard upper end of adjustable sliding block is provided with adjustable measuring seat locking screw that can fix adjustable measuring seat on the slide rail of base.

[0010] The further technical scheme of the utility model discloses: the clamping plate I is perpendicular and is connected on the two parallel metal sheets of the upper end surface of fixed measuring head mounting block, the clamping plate II is perpendicular and is connected on the two parallel metal sheets of the upper end surface of differential measuring head mounting block, the inner side of clamping plate I and clamping plate II is provided with the gasket of being able to support the limiting hook of brake disc inside distance ruler both ends limit hook respectively.

[0011] The further technical scheme of the utility model discloses: the fixed measuring head mounting block outside is connected with the limiting hook hanging block I that can extend to the above of force screw positioning seat, the differential measuring head mounting block outside is connected with the limiting hook hanging block II that can extend to the above of force gauge, the position of limiting hook hanging block I and limiting hook hanging block II correspond with each other.

[0012] The further technical scheme of the utility model discloses: the lower side of force screw positioning seat is equipped with the screw hole that cooperates with force adjustment screw, the upper end of force screw positioning seat is connected through connecting device on the front side surface of the mobile sliding block of mobile measuring seat, force screw positioning seat can be moved with mobile measuring seat relative slide rail, force gauge is connected through connecting device with the adjustable sliding block front side of adjustable measuring seat, and force gauge can be moved with adjustable measuring seat relative slide rail.

[0013] The further technical scheme of the utility model discloses: the slide rail between mobile measuring seat and adjustable measuring seat is provided with the V-shaped support that can support the calibration amount rod, and V-shaped support can slip between mobile measuring seat and adjustable measuring seat relative slide rail.

[0014] The utility model discloses a kind of brake disc inside distance ruler calibration devices, and has the following beneficial effects: by being provided with the indication calibration component on the base slide rail, the reading of detecting device can be directly read out, and reading measurement value is read from brake disc inside distance ruler, the difference between measurement value and the reading of detecting device is the indication error of brake disc inside distance ruler, the indication error of brake disc inside distance ruler can be quickly obtained, brake disc inside distance ruler can be positioned in indication calibration component quickly and stably, convenient to use;The utility model positioning accurate indication error is not more than 0.03mm, can satisfy detection requirement;Measuring rod measurement force calibration component is arranged on the side of base connecting plate, brake disc inside distance ruler can be positioned between measuring rod measurement force calibration component quickly, whether measuring rod measurement force is in specified range can also be calibrated quickly by measuring rod measurement force calibration component, realize that a set of calibration device can detect indication error also can detect measuring rod measurement force, improve detection precision and efficiency;Since mobile measuring seat and adjustable measuring seat can be moved on slide rail, the distance between mobile measuring seat and adjustable measuring seat is adjustable, the indication error of brake disc inside distance ruler of multiple measurement size sections can be realized on a set of calibration device, such as the brake disc inside distance ruler of (615~635) mm, (745~765) mm, (785~805) mm, (810~830) mm, (850~870) mm can be detected, wide range of application, effectively reduce cost, improve economic benefits.

[0015] The utility model discloses a brake disc inner distance ruler calibration device makes further description to the utility model discloses a brake disc inner distance ruler calibration device below combining with the drawing and example. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure diagram of the utility model discloses a brake disc inner distance ruler calibration device;

[0017] Figure 2 It is Figure 1 It is the left view of the utility model discloses a brake disc inner distance ruler calibration device ( for clearly showing doing two times amplification);

[0018] Figure 3 It is the schematic diagram of the utility model discloses a brake disc inner distance ruler calibration device to brake disc inner distance ruler carries out the indication value calibration;

[0019] Figure 4 It is the schematic diagram of the utility model discloses a brake disc inner distance ruler calibration device to brake disc inner distance ruler carries out the force measurement of measuring rod;

[0020] Explanation of the attached drawings: 1-base, 2-movable measuring seat, 3-adjustable measuring seat, 4-force screw positioning seat, 5-force adjusting screw, 6-moving slider, 7-movable measuring seat locking screw, 8-fixed measuring head mounting block, 9-clip plate I, 10-pad, 11-fixed measuring head, 12-limit hook hanging block I, 13-V-shaped support, 14-slideway, 15-clip plate II, 16-differential measuring head mounting block, 17-differential measuring head, 18-limit hook hanging block II, 19-force contact, 20-differential cylinder, 21-adjustable measuring seat locking screw, 22-adjustable slider, 23-dynamometer, 24-connection plate, 25-bottom positioning block, 26-calibration amount rod, 27-brake disc inner distance ruler, 28-limit hook. DETAILED DESCRIPTION

[0021] As Figure 1 , Figure 2 The utility model discloses a brake disc inner distance ruler calibration device for detecting brake disc inner distance ruler 27 indication value error and measuring rod measurement force. The utility model includes calibration amount rod 26, base 1, indication value calibration subassembly and measuring rod measurement force calibration subassembly. According to the measurement range different and can select the calibration amount rod 26 of different length, Figure 1 Only show a calibration amount rod 26 in the middle. Indication value calibration subassembly and measuring rod measurement force calibration subassembly are connected on base 1 respectively.

[0022] As Figure 1 , Figure 2As shown, the base 1 is long strip-shaped, and the base 1 comprises a bottom positioning block 25, a connecting plate 24 and a slide rail 14. The bottom positioning block 25 is flat at the bottom end and can be positioned on a workbench. The connecting plate 24 is connected to the bottom positioning block 25 and extends vertically upward. The slide rail 14 is connected to the top end of the connecting plate 24. The arrangement structure of the bottom positioning block 25 and the connecting plate 24 of the base 1 is like the structure of a H-shaped steel with the upper flange plate removed, i.e. the lower flange plate and the web of the H-shaped steel. The slide rail 14 is connected to the upper surface of the connecting plate 24 by screws.

[0023] As shown in Figure 1 , the value calibration assembly comprises a movable measuring seat 2 and an adjustable measuring seat 3. The bottom ends of the movable measuring seat 2 and the adjustable measuring seat 3 are positioned at the two end positions of the slide rail 14 of the base 1 respectively, and both the movable measuring seat 2 and the adjustable measuring seat 3 can slide relative to the slide rail 14. The inner side of the movable measuring seat 2 is provided with a fixed measuring head 11. The inner side of the adjustable measuring seat 3 is provided with a differential measuring head 17 corresponding to the position of the fixed measuring head 11. The outer side of the differential measuring head 17 is connected with a differential cylinder 20 capable of reading the distance between the fixed measuring head 11 and the differential measuring head 17. The slide rail 14 between the movable measuring seat 2 and the adjustable measuring seat 3 is provided with a V-shaped support 13 capable of supporting a calibration amount rod 26. The V-shaped support 13 can slide relative to the slide rail 14 between the movable measuring seat 2 and the adjustable measuring seat 3.

[0024] As shown in Figure 1 , 2 , in this embodiment, the movable measuring seat 2 comprises a movable sliding block 6, a fixed measuring head mounting block 8 and a clamping plate I 9. The movable sliding block 6 is positioned on the slide rail 14. The fixed measuring head mounting block 8 is connected to the inner side upper end of the movable sliding block 6. The fixed measuring head 11 is mounted on the inner side surface of the fixed measuring head mounting block 8. The clamping plate I 9 is connected to the upper end of the fixed measuring head mounting block 8. The clamping plate I 9 is two parallel metal plates connected perpendicularly to the upper end surface of the fixed measuring head mounting block 8. The clamping plate I 9 is used for positioning a limiting hook 28 of one end of a brake disc inner distance ruler 27. The inner side of the clamping plate I 9 is provided with a pad 10 capable of supporting the limiting hook 28 of one end of the brake disc inner distance ruler 27. The outer side upper end of the movable sliding block 6 is provided with a movable measuring seat locking screw 7 capable of fixing the movable measuring seat 2 on the slide rail 14 of the base 1. When the movable measuring seat locking screw 7 is loosened, the movable sliding block 6 can move relative to the slide rail 14. When the movable measuring seat locking screw 7 is locked, the movable measuring seat 2 is fixed on the slide rail 14.

[0025] As shown in Figure 1 , 2As shown, in the embodiment, the adjustable measuring seat 3 comprises an adjustable sliding block 22, a differential probe mounting block 16, and a clamping plate II 15. The adjustable sliding block 22 is positioned on the slide rail 14, the differential probe mounting block 16 is connected to the inner side upper end of the adjustable sliding block 22, the differential probe 17 is mounted on the inner side surface of the differential probe mounting block 16, the differential cylinder 20 is connected to the outer side of the differential probe mounting block 16, and the inner side of the differential cylinder 20 is connected with the differential probe 17 through the differential probe mounting block 16. The clamping plate II 15 is connected to the upper end of the differential probe mounting block 16, and the clamping plate II 15 is vertically connected to the upper end surface of the differential probe mounting block 16. The clamping plate II 15 is used for positioning the limiting hook 28 of one end of the brake disc inner distance ruler 27. The positions of the clamping plate II 15 and the clamping plate I 9 correspond to each other, that is, the horizontal positions and the vertical positions are the same respectively. The inner side of the clamping plate II 15 is provided with the pad 10 capable of supporting the limiting hook 28 of one end of the brake disc inner distance ruler 27. The outer side upper end of the adjustable sliding block 22 is provided with the adjustable measuring seat locking screw 21 capable of fixing the adjustable measuring seat 3 on the slide rail 14 of the base 1. By loosening the adjustable measuring seat locking screw 21, the adjustable sliding block 22 can move relative to the slide rail 14. By locking the adjustable measuring seat locking screw, the adjustable measuring seat 3 is fixed on the slide rail 14.

[0026] As shown in Figure 1 , 2 As shown, the measuring rod force measurement calibration assembly comprises a force screw positioning seat 4, a force adjusting screw 5, and a force gauge 23. The force gauge 23 is connected to the front side of the adjustable measuring seat 3 through a connecting device. The force adjusting screw 5 extends from the outside to the inside through the threaded hole of the force screw positioning seat 4 and extends to the side where the force gauge 23 is located. The force contact 19 of the force gauge 23 extends inward and is opposite to the position of the force adjusting screw 5. In the embodiment, the lower side of the force screw positioning seat 4 is provided with a threaded hole matched with the force adjusting screw 5. The upper end of the force screw positioning seat 4 is connected to the front side surface of the moving sliding block 6 of the moving measuring seat 2 through a connecting device. The force screw positioning seat 4 can move relative to the slide rail 14 with the moving measuring seat 2. The force gauge 23 is connected to the front side of the adjustable sliding block 22 of the adjustable measuring seat 3 through a connecting device. The force gauge 23 can move relative to the slide rail 14 with the adjustable measuring seat 3. The outer side of the fixed probe mounting block 8 is connected with the limiting hook hanging block I 12 capable of extending above the force screw positioning seat 4. The outer side of the differential probe mounting block 16 is connected with the limiting hook hanging block II 18 capable of extending above the force gauge 23. The positions of the limiting hook hanging block I 12 and the limiting hook hanging block II 18 correspond to each other.

[0027] The use method is: 1. according to the measurement range of the detected brake disc inner distance gauge 27, the corresponding calibration amount rod 26 is selected and arranged between the movable measuring seat 2 and the adjustable measuring seat 3 of the value calibration assembly, the calibration amount rod 26 is supported by the V-shaped support 13, one end of the calibration amount rod 26 is in contact with the fixed measuring head 11, the differential measuring head 17 is adjusted to be close to the calibration amount rod 26, the length of the calibration amount rod 26 is measured by the differential measuring head 17, and the reading is consistent with the calibration amount rod 26; 2. after the zero position is calibrated, the calibration amount rod 26 and the V-shaped support 13 are removed, the calibration device reading is adjusted to the detected point, and then the brake disc inner distance gauge 27 is arranged on the calibration device, as shown in the figure, the two limiting hooks 28 of the brake disc inner distance gauge are hung on the gasket 10 inside the two end clamping plates I 9 and clamping plates II 15, the fixed measuring head of the brake disc inner distance gauge 27 is in contact with the fixed measuring head 11 of the calibration device, and the movable measuring head of the brake disc inner distance gauge 27 is in contact with the differential measuring head 17; 3. the measurement value of the brake disc inner distance gauge 27 is read, and the difference between the measurement value and the calibration device reading is the indication error of the brake disc inner distance gauge 27; 4. after the indication errors of all points are detected, as shown in the figure, the brake disc inner distance gauge 27 is arranged between the force screw rod positioning seat 4 of the force bar measurement force calibration assembly and the force meter 23, and the force bar measurement force is detected, when detecting, the two limiting hooks 28 at the two ends of the brake disc inner distance gauge 27 are hung in the two end limiting hook hanging blocks I 12 and limiting hook hanging blocks II 18 respectively, the brake disc inner distance gauge 27 reading is adjusted to the upper limit and lower limit value of the measurement range by adjusting the force adjusting screw rod 5, the corresponding two readings are read on the force meter 23, and the readings are within the specified range, and the readings are not within the specified range. Figure 3 Figure 4

[0028] The above examples are only preferred embodiments of the present application, and the structure of the present application is not limited to the forms listed in the above examples, and any modification, equivalent replacement and the like made within the spirit and principles of the present application should be included in the protection scope of the present application.​​

Claims

1. A brake disc inside caliper alignment device, characterized by, The application relates to a force calibration device, which comprises a proofing amount rod (26), a base (1), a value calibration assembly and a measuring rod measuring force calibration assembly, the value calibration assembly and the measuring rod measuring force calibration assembly are connected to the base (1) respectively, the base (1) is in a strip shape, the base (1) comprises a bottom positioning block (25), a connecting plate (24) and a slide rail (14), the bottom positioning block (25) is flat at the bottom end and can be positioned on a workbench, the connecting plate (24) is connected to the bottom positioning block (25) and extends vertically upwards, and the slide rail (14) is connected to the top end of the connecting plate (24), the value calibration assembly comprises a movable measuring seat (2) and an adjustable measuring seat (3), the bottom ends of the movable measuring seat (2) and the adjustable measuring seat (3) are positioned at the two end positions of the base slide rail (14) respectively, and the movable measuring seat (2) and the adjustable measuring seat (3) can slide relative to the slide rail (14), the inner side of the movable measuring seat (2) is provided with a fixed measuring head (11), the inner side of the adjustable measuring seat (3) is provided with a differential measuring head (17) corresponding to the position of the fixed measuring head (11), the outer side of the differential measuring head (17) is connected with a differential cylinder (20) capable of reading the distance between the fixed measuring head (11) and the differential measuring head (17), the measuring rod measuring force calibration assembly comprises a force screw positioning seat (4), a force adjusting screw (5) and a force gauge (23), the force screw positioning seat (4) is connected to the front side of the movable measuring seat (2) through a connecting device, the force gauge (23) is connected to the front side of the adjustable measuring seat (3) through a connecting device, the force adjusting screw (5) passes through the internal thread hole of the force screw positioning seat (4) from outside to inside and extends towards the side where the force gauge (23) is located, and the force touch head (19) of the force gauge (23) extends inwardly and is opposite to the position of the force adjusting screw (5).

2. A brake disc backspacing gauge calibration device as claimed in claim 1 wherein, The movable measuring seat (2) comprises a movable slide block (6), a fixed measuring head mounting block (8) and a clamping plate I (9), the movable slide block (6) is positioned on the slide rail (14), the fixed measuring head mounting block (8) is connected to the inner side upper end of the movable slide block (6), the fixed measuring head (11) is mounted on the inner side surface of the fixed measuring head mounting block (8), and the clamping plate I (9) is connected to the upper end of the fixed measuring head mounting block (8).

3. A brake disc backspacing gauge calibration device as claimed in claim 2, wherein, The outer side upper end of the movable slide block (6) is provided with a movable measuring seat locking screw (7) capable of fixing the movable measuring seat (2) on the base slide rail (14).

4. A brake disc backspacing gauge calibration device as defined in claim 2 wherein, The adjustable measuring seat (3) comprises an adjustable slide block (22), a differential measuring head mounting block (16) and a clamping plate II (15), the adjustable slide block (22) is positioned on the slide rail (14), the differential measuring head mounting block (16) is connected to the inner side upper end of the adjustable slide block (22), the differential measuring head (17) is mounted on the inner side surface of the differential measuring head mounting block (16), the differential cylinder (20) is connected to the outer side of the differential measuring head mounting block (16), the inner side of the differential cylinder (20) passes through the differential measuring head mounting block (16) and is connected with the differential measuring head (17), and the clamping plate II (15) is connected to the upper end of the differential measuring head mounting block (16), and the positions of the clamping plate II (15) and the clamping plate I (9) are opposite to each other.

5. A brake disc backspacing gauge calibration device as claimed in claim 4 wherein, The outer side upper end of the adjustable slide block (22) is provided with an adjustable measuring seat locking screw (21) capable of fixing the adjustable measuring seat (3) on the base slide rail (14).

6. A brake disc backspacing gauge calibration device as defined in claim 4 wherein, The clamping plate I (9) is vertically connected to two parallel metal plates on the upper end surface of the fixed measuring head mounting block (8), the clamping plate II (15) is vertically connected to two parallel metal plates on the upper end surface of the differential measuring head mounting block (16), and the inner sides of the clamping plate I (9) and the clamping plate II (15) are respectively provided with the cushion blocks (10) capable of supporting the limiting hooks (28) at both ends of the brake disc inside gage (27).

7. A brake disc backspacing gauge calibration device as defined in claim 4 wherein, The outer side of the fixed measuring head mounting block (8) is connected with the limiting hook hanging block I (12) capable of extending above the force screw positioning seat (4), the outer side of the differential measuring head mounting block (16) is connected with the limiting hook hanging block II (18) capable of extending above the force gauge (23), and the positions of the limiting hook hanging block I (12) and the limiting hook hanging block II (18) correspond to each other.

8. A brake disc backspacing gauge calibration device as defined in claim 4 wherein, The lower side of the force screw positioning seat (4) is provided with a threaded hole matched with the force adjusting screw (5), the upper end of the force screw positioning seat (4) is connected to the front side surface of the moving slide block (6) of the moving measuring seat (2) through a connecting device, the force screw positioning seat (4) can move relative to the slide rail (14) along with the moving measuring seat (2), the force gauge (23) is connected to the front side of the adjustable slide block (22) of the adjustable measuring seat (3) through a connecting device, and the force gauge (23) can move relative to the slide rail (14) along with the adjustable measuring seat (3).

9. A brake disc backspacing gauge calibration device as defined in claim 1 wherein, The slide rail (14) between the moving measuring seat (2) and the adjustable measuring seat (3) is provided with the V-shaped support (13) capable of supporting the calibration amount rod (26), and the V-shaped support (13) can slide relative to the slide rail (14) between the moving measuring seat (2) and the adjustable measuring seat (3).

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