Precise measuring device for parallelism of parallel shafts

Abstract

The utility model discloses a precision measuring device for parallelism of a parallel shaft, which comprises a reference shaft, a sliding base is connected onto the reference shaft, a mounting seat is connected onto the sliding base in a sliding manner, the mounting seat is connected with a dial indicator through a universal indicator rod, and a measuring head end of a measuring rod of the dial indicator points to a shaft to be measured. The dial indicator is positioned and locked through the universal indicator rod; the utility model relates to a precision measuring device for measuring the parallelism between two shafts. The device can complete high-precision measurement in a short time, and the position of the shaft is adjusted according to a measurement result, so that the parallelism is ensured to meet the requirement. Therefore, not only are the measurement precision and efficiency improved, but also the workload and experience requirements of operators are reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the precise measuring equipment technical field, and specifically relates to the parallelism precision measuring device of parallel shaft. BACKGROUND

[0002] In the process of machining, manufacturing and assembling, the mechanical structure of two parallel shafts is often encountered, and ensuring the parallelism between the two shafts is crucial for the smooth installation and normal operation of the equipment. The assembly accuracy of parallelism directly affects the performance, service life of the equipment and the quality of the product. For example, in the transmission system, the parallelism deviation of the shafts may cause excessive wear, noise increase, and even system failure. Therefore, the practical application of the device is very wide. At present, the traditional method for measuring the parallelism of two shafts usually relies on the use of angle blocks or measures the distance of the outer side at both ends of the two shafts with a screw micrometer, and calculates the difference. Although these methods can provide a certain accuracy, they have limitations such as complex operation, long time-consuming, and inability to measure in cross state. In addition, some methods require higher experience of the operator, which is easy to introduce human error.

[0003] Moreover, it is greatly affected by environmental conditions, especially when frequent adjustments are needed or measurements are taken in a narrow space, the efficiency and accuracy of traditional methods often cannot meet the needs of modern industry. With the development of industrial automation and intelligent manufacturing, the precision and convenience of measuring equipment are increasingly required. Especially in the field of high-precision machining, equipment that can quickly and accurately measure and adjust the parallelism of two shafts is in urgent need. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a parallel shaft parallelism precision measuring device, which solves the problems of poor precision and complex operation in the current measurement of two shaft parallelism.

[0005] The technical scheme adopted by the utility model is: a parallel shaft parallelism precision measuring device, comprising a reference shaft arranged in parallel with the measured shaft, a sliding base connected to the reference shaft, a mounting seat slidingly connected to the sliding base, a dial gauge connected to the mounting seat through a universal gauge rod, and the universal gauge rod positioning and locking the dial gauge by tightening the knob; the measuring head end of the dial gauge points to the measured shaft.

[0006] The utility model is characterized in that,

[0007] Further, the sliding base is slidingly connected to the reference shaft through a base screw to form an adjustable clamping component.

[0008] Further, a guide rail is fixed to the upper part of the sliding base, the guide rail is slidingly connected to a guide rail working end, the mounting seat is fixed to the guide rail working end, and the universal gauge rod is installed on the mounting seat.

[0009] Further, the universal table rod comprises a universal connecting rod a and a universal connecting rod b, one end of the universal connecting rod a is hinged to the upper part of the mounting base, the other end is hinged to the universal connecting rod b, and the tail end of the universal connecting rod b is connected with the dial gauge through the dial gauge adjusting mechanism; the dial gauge is clamped on the dial gauge adjusting mechanism, and the dial gauge adjusting mechanism can adjust the positioning direction of the dial gauge at will.

[0010] Further, the universal connecting rod a is sleeved in the sleeve a, the universal connecting rod b is sleeved in the sleeve b, the universal connecting rod a, the sleeve a and the universal connecting rod b, the sleeve b are connected through the taper screw, and the taper screw is threadedly connected with the knob; the taper screw is further sleeved with a taper sleeve at one end close to the knob, one end of the universal connecting rod a connected with the mounting base is arranged to abut against the spherical surface end of the fixing screw and is rotationally connected through the fixing sleeve a; the universal connecting rod b is also rotationally connected with the dial gauge adjusting mechanism in a spherical surface contact mode.

[0011] Further, one end of the universal connecting rod a in contact with the fixing screw is a concave spherical surface, and the other end connected with the universal connecting rod b is a taper surface; one end of the universal connecting rod b in contact with the dial gauge adjusting mechanism is a concave spherical surface, and the other end connected with the universal connecting rod a is a taper surface; the taper surface ends of the universal connecting rod a and the universal connecting rod b pass through the center holes of the sleeve a and the sleeve b respectively and are abutted against the taper screw.

[0012] Further, the measured shaft and the reference shaft are fixed on the frame formed by the sectional material a and the sectional material b through the bearing seat, so that the two optical axes are stable and immovable.

[0013] Further, the sectional material a and the sectional material b are connected into a stable frame structure through the corner code, the nut and the screw.

[0014] Further, the reference shaft and the sliding base are connected in a V-shaped clamping groove mode.

[0015] Function description:

[0016] The precision measurement device for parallelism of parallel shafts is mainly composed of a dial gauge, a positioning mechanism and a precision guide rail mechanism. Through cooperation of these components, the device can accurately measure the parallelism of two shafts, and quickly adjust according to the measurement result, so as to ensure that the technical requirements are met.

[0017] Structure design:

[0018] Dial gauge: used for directly reading measurement values.

[0019] Positioning mechanism: the reference shaft and the sliding base are automatically centered through the contact between the V-shaped straight groove surface on the sliding base and the cylindrical surface of the reference shaft to form an adjustable clamping component, so as to ensure that the measured shaft is stable and immovable during the measurement process.

[0020] Precision guide mechanism: including guide rail, guide rail provides accurate, stable movement measurement stroke, ensure that the measurement process can keep the dial gauge between the relative position of the reference measurement axis always parallel.

[0021] Adjusting mechanism: during the measurement process, the torque wrench is used according to the parallelism of the measured shaft, the fastening bolt on the bearing seat of the measured shaft is adjusted, and then the parallelism of the upper generatrix and the side generatrix of the measured shaft is detected respectively, so that the required parallelism requirement is achieved.

[0022] The beneficial effects of the utility model are: the precision measurement device for parallel shaft parallelism provided by the utility model can efficiently and accurately measure and adjust the parallelism of two shafts through the cooperation of the dial gauge, the positioning mechanism and the precision guide mechanism. The device is widely applied in mechanical assembly and production processes, ensures assembly quality, improves the operation stability and service life of mechanical equipment. In the manufacturing and precision machining field, it is crucial to ensure the parallelism of two shafts of mechanical parts. In order to improve manufacturing precision and reduce assembly problems, it is crucial to develop a high-precision precision measurement device for parallel shaft parallelism.

[0023] The device can complete high-precision measurement in a short time, and adjust the position of the shaft according to the measurement result, so as to ensure that the parallelism meets the requirements. This not only improves the measurement accuracy and efficiency, but also reduces the workload and experience requirements of the operator. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is the top view of the precision measurement device for parallel shaft parallelism of the utility model;

[0025] Figure 2 is the front view of the precision measurement device for parallel shaft parallelism of the utility model;

[0026] Figure 3 is the mechanism movement diagram of the precision measurement device for parallel shaft parallelism of the utility model;

[0027] Figure 4 is the axonometric view of the precision measurement device for parallel shaft parallelism of the utility model;

[0028] Figure 5 is the axonometric view of the precision measurement device for parallel shaft parallelism of the utility model.

[0029] Figure 6 is the perspective view of the universal gauge rod of the precision measurement device for parallel shaft parallelism of the utility model.

[0030] Figure 7 is the explosion view of the universal gauge rod of the precision measurement device for parallel shaft parallelism of the utility model.

[0031] In the figure, 1. corner code, 2. profile a, 3. measured shaft, 4. dial gauge, 5. universal table rod, 6. profile b, 7. bearing seat, 8. nut, 9. screw, 10. base screw, 11. sliding base, 12. reference shaft, 13. guide rail, 14. guide rail working end, 15. mounting seat, 16. universal connecting rod a, 17. universal connecting rod b, 18. dial gauge adjusting mechanism, 19. knob, 20. fixed sleeve a, 21. fixing screw, 22. conical screw, 23. sleeve a, 24. sleeve b, 25. conical sleeve. DETAILED DESCRIPTION

[0032] The utility model will be described in detail below in combination with the drawings and specific embodiments, so that the advantages and characteristics of the utility model are more easily understood by the person skilled in the art.

[0033] Embodiment 1

[0034] Referring to Figure 1 The utility model discloses a precision measuring device of parallelism of parallel shafts, including reference shaft 12, be connected with sliding base 11 on reference shaft 12, sliding connection has mounting seat 15 on sliding base 11, mounting seat 15 is connected with dial gauge 4 through universal table rod 5, and the measuring head end of the dial gauge 4 gauge rod points to measured shaft 3.

[0035] Embodiment 2

[0036] Referring to Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 The utility model discloses a precision measuring device of parallelism of parallel shafts, including reference shaft 12, be connected with sliding base 11 on reference shaft 12, sliding connection has mounting seat 15 on sliding base 11, mounting seat 15 is connected with dial gauge 4 through universal table rod 5, and the measuring head end of the dial gauge 4 gauge rod points to measured shaft 3. Sliding base 11 is slidably connected with reference shaft 12 through base screw 10 and constitutes adjustable clamping component.

[0037] The upper portion of sliding base 11 is fixed with guide rail 13, and the guide rail 13 is slidably connected with guide rail working end 14, the mounting seat 15 is fixed on the guide rail working end 14, and the universal table rod 5 is installed on the mounting seat 15.

[0038] Embodiment 3

[0039] The utility model discloses a precision measuring device of parallelism of parallel shafts, including reference shaft 12, be connected with sliding base 11 on reference shaft 12, sliding connection has mounting seat 15 on sliding base 11, mounting seat 15 is connected with dial gauge 4 through universal table rod 5, and the measuring head end of the dial gauge 4 gauge rod points to measured shaft 3;

[0040] The sliding base 11 is slidably connected to the reference shaft 12 via the base screw 10 to form an adjustable clamping component.

[0041] A guide rail 13 is fixed on the upper portion of the sliding base 11 . The guide rail 13 is slidably connected to a guide rail working end 14 . The mounting seat 15 is fixed on the guide rail working end 14 , and the gimbal rod 5 is mounted on the mounting seat 15 .

[0042] like Figure 6-7 As shown, the universal indicator rod 5 includes a universal connecting rod a16 and a universal connecting rod b17. One end of the universal connecting rod a16 is hinged to the upper part of the mounting seat 15, and the other end is hinged to the universal connecting rod b17. The end of the universal connecting rod b17 is connected to the dial indicator 4 through the dial indicator adjustment mechanism 18; the dial indicator 4 is clamped on the dial indicator adjustment mechanism 18, and the dial indicator adjustment mechanism 18 can adjust the positioning direction of the dial indicator 4.

[0043] The universal connecting rod a16 is sleeved in the sleeve a23, and the universal connecting rod b17 is sleeved in the sleeve b24. The universal connecting rod a16, the sleeve a23 and the universal connecting rod b17, the sleeve b24 are connected by a conical screw 22, and the conical screw 22 is threadedly connected to the knob 19;

[0044] A conical sleeve 25 is also embedded on the end of the conical screw 22 close to the knob 19. The universal connecting rod a16 is connected to the mounting seat 15, one end of which is pressed against the spherical end of the fixing screw 21, and is rotationally connected through the fixing sleeve a20; the universal connecting rod b17 and the dial indicator adjustment mechanism 18 are also spherically contacted and rotationally connected.

[0045] The end of the universal connecting rod a16 that contacts the fixing screw 21 is a concave spherical surface, and the end connected to the universal connecting rod b17 is a conical surface; the end of the universal connecting rod b17 that contacts the dial indicator adjustment mechanism 18 is a concave spherical surface, and the end connected to the universal connecting rod a16 is a conical surface; the conical ends of the universal connecting rod a16 and the universal connecting rod b17 respectively pass through the center holes of the sleeve a23 and the sleeve b24 and are tightened on the conical screw 22.

[0046] The connecting end of sleeve a23 and sleeve b24 is respectively provided with a through hole, and the conical screw 22 passes through the two through holes in sequence and is threadedly connected to the knob 19; by rotating the knob 19, the conical sleeve 25 moves axially, and the conical screw 22 also moves axially through the conical surface of the universal connecting rod a16, and the end surface of the universal connecting rod a16 presses against the spherical surface of the fixing screw 21, so that the universal connecting rod a16 and the fixing screw 21 are fastened;

[0047] At the same time, the universal connecting rod b17 also has a conical surface and a conical screw that cooperates, which also allows the universal connecting rod b17 to be fastened to the dial indicator adjustment mechanism 18 to achieve position fastening.

[0048] Example 4

[0049] The utility model discloses parallel shaft parallelism's precision measuring device, including reference shaft 12, the reference shaft 12 is connected with the sliding base 11, the sliding base 11 is slidably connected with the mounting seat 15, the mounting seat 15 is connected with the dial gauge 4 through universal table rod 5, the dial gauge 4's amount rod measuring head end points to the measured shaft 3. The sliding base 11 is slidably connected with the reference shaft 12 through base screw 10 and constitutes adjustable clamping component.

[0050] The sliding base 11 is slidably connected with the guide rail working end 14, and the mounting seat 15 is fixed on the guide rail working end 14.

[0051] As shown in Figure 4-5 The measured shaft 3 and the reference shaft 12 are fixed on the frame formed by profile a2 and profile b6 through bearing seat 7 respectively, and the stability of the two optical axes is ensured.

[0052] The profile a2 and the profile b6 are connected into a stable frame structure through angle code 1, nut 8 and screw 9.

[0053] The reference shaft 12 and the sliding base 11 are connected in a V-shaped clamping groove mode.

[0054] The universal connecting rod a, the universal connecting rod b and the guide rail 14 are all made of steel.

[0055] Example 5

[0056] The utility model discloses parallel shaft parallelism's precision measuring device. Its mechanism movement diagram as shown in Figure 3 The main function of the device is to detect the parallelism between a fixed measured shaft and a movable dial gauge parallel to the reference shaft.

[0057] Working principle: when measuring parallelism, first, ensure the stability and accuracy of the reference shaft. Then, align the axis (or corresponding reference surface) of the measured shaft with the reference shaft, so that the dial gauge can move freely along the axis direction of the measured component. As the dial gauge moves along the measured shaft, the position change between the measured shaft and the reference shaft can be observed. This position change can be quantified by reading the dial gauge, and then the parallelism error between the two can be calculated.

[0058] The dial gauge of the present application adjusts the detection position through the mounting seat fixed on the guide rail working end.

[0059] Example 6

[0060] The overall structure of the device is shown in Figure 1As shown, the frame structure is composed of four sections of profiles, corner connectors 1, nuts 8 and screws 9, the reference shaft and the measured shaft are installed on the profiles through the bearing seat 7, the sliding base 11 is fixed to the reference shaft 12 through the base screw 10, the guide rail 13, the guide rail working end 14 and the mounting seat 15 are installed on the sliding base 11, and the mounting seat 15 and the dial gauge 4 are connected through the universal gauge rod 5.

[0061] The clamping groove type structure between the sliding base 11 and the reference shaft of the device can ensure that the fastening connection does not slip and has good effect.

[0062] The above is only a preferred embodiment of the present application, and the present application will not be limited to the embodiments shown in the present application, but will be consistent with the widest range of principles and novel characteristics disclosed in the present application. Any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments still belong to the scope of the technical scheme of the present application.

Claims

1. A precision measuring device for parallelism of parallel axes, characterized in that, Including the datum axis (12), the datum axis (12) is connected with the sliding base (11), the sliding base (11) is connected with the mounting seat (15) on the sliding connection, the mounting seat (15) is connected with the dial gauge (4) through the universal dial gauge rod (5), the dial gauge (4) is connected with the measured shaft (3) through the dial gauge rod measuring head end.

2. The precision measuring apparatus for parallelism of parallel axes according to claim 1, wherein The sliding base (11) is connected with the datum axis (12) through the base screw (10) and the sliding connection, and constitutes an adjustable clamping part.

3. The precision measuring apparatus for parallelism of parallel axes according to claim 1, wherein, The sliding base (11) is fixed with a guide rail (13) on the upper part, the guide rail (13) is connected with the guide rail working end (14) through the sliding connection, the mounting seat (15) is fixed on the guide rail working end (14), and the universal dial gauge rod (5) is installed on the mounting seat (15).

4. The precision measuring apparatus for parallelism of parallel axes according to claim 3, wherein The universal dial gauge rod (5) includes a universal connecting rod a (16) and a universal connecting rod b (17), one end of the universal connecting rod a (16) is hinged with the upper part of the mounting seat (15), the other end is hinged with the universal connecting rod b (17), and the tail end of the universal connecting rod b (17) is connected with the dial gauge (4) through the dial gauge adjusting mechanism (18); the dial gauge (4) is clamped on the dial gauge adjusting mechanism (18), and the dial gauge adjusting mechanism (18) can adjust the positioning direction of the dial gauge (4) at will.

5. The precision measuring device for parallelism of parallel axes according to claim 4, characterized in that The universal connecting rod a (16) is sleeved in the sleeve a (23), the universal connecting rod b (17) is sleeved in the sleeve b (24), the universal connecting rod a (16), the sleeve a (23) and the universal connecting rod b (17), the sleeve b (24) are connected through the taper screw (22), the taper screw (22) is screwed with the knob (19), one end of the taper screw (22) close to the knob (19) is also nested with a taper sleeve, one end of the universal connecting rod a (16) connected with the mounting seat (15) is top to the spherical end of the fixed screw (21), and the rotating connection is realized through the fixed sleeve a (20); the universal connecting rod b (17) and the dial gauge adjusting mechanism (18) are also spherical contact rotating connection.

6. The precision measuring device for parallelism of parallel axes according to claim 5, characterized in that One end of the universal connecting rod a (16) contacting the fixed screw (21) is concave spherical, and the other end connected with the universal connecting rod b (17) is tapered; one end of the universal connecting rod b (17) contacting the dial gauge adjusting mechanism (18) is concave spherical, and the other end connected with the universal connecting rod a (16) is tapered; the tapered ends of the universal connecting rod a (16) and the universal connecting rod b (17) pass through the center holes of the sleeve a (23) and the sleeve b (24) and are tightly pressed on the taper screw (22).

7. The precision measuring apparatus for parallelism of parallel axes according to claim 1, wherein The measured shaft (3) and the datum axis (12) are respectively fixed on the frame formed by the profile a (2) and the profile b (6) through the bearing seat (7), so as to ensure the stability of the two optical axes.

8. The precision measuring apparatus for parallelism of parallel axes according to claim 7, wherein The profile a (2) and the profile b (6) are connected into a stable frame structure through the corner code (1), the nut (8) and the screw (9).

9. The precision measuring device for parallelism of parallel axes according to claim 2, characterized in that The datum axis (12) and the sliding base (11) are connected through the V-shaped clamping groove.

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