CN111089553A - Measuring system for shaft parts - Google Patents
Measuring system for shaft parts Download PDFInfo
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- CN111089553A CN111089553A CN202010216254.2A CN202010216254A CN111089553A CN 111089553 A CN111089553 A CN 111089553A CN 202010216254 A CN202010216254 A CN 202010216254A CN 111089553 A CN111089553 A CN 111089553A
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- base
- tip
- measuring
- measuring system
- shaft parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/003—Measuring of motor parts
Abstract
The application relates to the field of detection and measurement of mechanical parts, in particular to a measurement system for shaft parts, which comprises: a foundation base mounted to the frame; a base mounted to the base and having a first guide rail; and the center device is arranged on the base through the first guide rail in a sliding manner, wherein an adjusting mechanism used for adjusting the relative spatial position of the base relative to the base is arranged between the base and the base. According to the technical scheme of this application, through setting up the adjustment mechanism between foundation base and base, can adjust the relative spatial position of base for the foundation base to the realization detects the measurement to shaft part under the condition of high accuracy centre gripping location.
Description
Technical Field
The application relates to the field of detection and measurement of mechanical parts, in particular to a measurement system for shaft parts.
Background
Shaft parts are very diverse, some for static connections and some for transmitting rotation or torque by means of a rotary motion, such as camshafts or crankshafts in the engine sector. For shaft parts for transmitting rotation or torque, the requirement on dimensional accuracy is high.
For example, it is desirable for the crankshaft of an engine to have precise measurements of various geometric parameters. The problem first faced in the measurement is how to ensure that the crankshaft is accurately clamped in position.
Traditionally, the shaft parts are measured by clamping and positioning by using the center devices at two ends, so whether the shaft parts are accurately clamped and positioned mainly depends on the center devices. However, the traditional centre device cannot be positioned and adjusted in a working state after the assembly is completed, so that the traditional centre device cannot meet the requirements under the working condition of meeting the high requirement on positioning accuracy.
Therefore, how to perform detection and measurement under the condition of realizing high-precision clamping and positioning of the shaft parts becomes a technical problem to be solved in the field.
Disclosure of Invention
In view of this, the present application provides a measurement system for shaft parts, so as to implement detection and measurement of shaft parts under the condition of high-precision clamping and positioning.
According to the present application, a measurement system for a shaft part is proposed, the measurement system comprising: a foundation base mounted to the frame; a base mounted to the base and having a first guide rail; and the centre device is arranged on the base in a sliding way through the first guide rail, wherein an adjusting mechanism used for adjusting the relative space position of the base relative to the base is arranged between the base and the base.
Preferably, the relative spatial position of the base relative to the base comprises at least one of: a distance of the base relative to the base in a height direction; in the horizontal direction, the inclination angle of the base relative to the base seat; an offset displacement of the base relative to the base in a lateral direction.
Preferably, the adjusting mechanism comprises a plurality of adjusting bolts arranged between the base and the foundation base in a vertical direction or a horizontal direction.
Preferably, the base has mounted thereon a first linear actuator connected to the tip device for driving the tip device through the first guide rail to move in a longitudinal direction on the base.
Preferably, the first linear actuator is a hydraulic cylinder, an air cylinder or a linear motor.
Preferably, a tension elastic part is arranged between the base and the tip device, the front end and the rear end of the tension elastic part are respectively connected to the base and the tip device so as to always apply forward tension to the tip device, and the first linear driver is only used for applying backward tension to the base.
Preferably, the tension elastic member is a tension spring extending in a longitudinal direction, and the tension spring has a plurality of tension springs and is disposed at both sides of the tip device.
Preferably, the tip device has a reciprocally switchable extended position and a retracted position in the longitudinal direction, wherein: in the extended position, the first linear actuator does not apply a rearward-directed tension to the tip device and the tension spring applies a forward-directed resilient tension to the tip device; in the retracted position, the first linear actuator exerts a forward resilient tension on the tip device against the tension spring and a rearward tension on the tip device.
Preferably, the tip device comprises: a mount slidably mounted to the base by the first guide rail; and the centre assembly is fixedly arranged on the mounting seat and is provided with a centre shaft facing forwards.
Preferably, the measuring system comprises a measuring device mounted to the mount adjacent the tip device.
Preferably, the measuring device comprises: the sliding seat is longitudinally and slidably arranged on the mounting seat through a second guide rail; the measuring system also comprises a second linear driver which is fixedly arranged on the mounting seat and connected with the sliding seat so as to drive the sliding seat to reciprocate on the mounting seat along the longitudinal direction.
Preferably, the plurality of measuring rods extend in parallel at intervals, and the measuring sensor of each measuring rod is adjacent to the front end of the centre shaft of the centre device.
Preferably, the measuring rod has a working position projecting forward and a non-working position retracted backward in the longitudinal direction, the measuring rod being reciprocally switched between the working position and the non-working position upon actuation of the second linear actuator.
Preferably, the measuring system further comprises a toggle device, the toggle device comprising: a rotation driving device installed to the base; the driving wheel is rotatably sleeved on the center shaft and is in transmission connection with the rotary driving device; the poking disc is arranged on the driving wheel to synchronously rotate, and a poking pin or a poking groove is arranged on the forward end face of the poking disc.
Preferably, a movement margin in the longitudinal direction is provided between the dial plate and the transmission wheel, and an elastic buffer member arranged in the circumferential direction is provided.
Preferably, the dial plate comprises in order from the rear to the front in the longitudinal direction: a base plate installed to the driving wheel; a first floating disk slidably mounted to the base disk in a first radial direction; and a second floating disk slidably mounted to the first floating disk along a second radial direction, an included angle between the second radial direction and the first radial direction being 30 to 90 degrees.
Preferably, the measuring system is used for crankshaft measurements.
According to the technical scheme of this application, through setting up the adjustment mechanism between foundation base and base, can adjust the relative spatial position of base for the foundation base to make top device among the measurement system still can carry out the positioning adjustment after accomplishing the assembly, and then realize detecting the measurement to shaft part under the condition of high accuracy centre gripping location, improve measurement accuracy and measurement of efficiency.
Additional features and advantages of the present application will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate an embodiment of the invention and, together with the description, serve to explain the invention. In the drawings:
FIG. 1 is a perspective view of a measurement system for shaft parts according to a preferred embodiment of the present application;
FIG. 2 is a partially exploded schematic view of the measurement system for shaft parts shown in FIG. 1;
FIG. 3 is a partial schematic view of the measurement system for shaft parts shown in FIG. 1;
FIG. 4 is an exploded view of FIG. 3;
FIG. 5 is an enlarged partial view of the measurement system for shaft parts shown in FIG. 1;
FIG. 6 is a schematic perspective view of a measuring device according to a preferred embodiment of the present application;
FIG. 7 is a schematic perspective view of a toggle device according to a preferred embodiment of the present application;
fig. 8 is a partially exploded view of the toggle device shown in fig. 7.
Detailed Description
In the present application, terms such as "front", "rear", "height direction", "transverse direction", "longitudinal direction", "first radial direction", "second radial direction", etc. are used for convenience of describing the technical solution, and are not used to limit the protection scope of the present application.
The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 and 2, the present application provides a measuring system for a shaft-like part, including: a base 10, the base 10 being mounted to the frame; a base 11, the base 11 being mounted to the base 10 and having a first guide rail 111; and the centre device 12, the centre device 12 is installed on the base 11 through the first guide rail 111 slidably, wherein, be provided with the adjustment mechanism who is used for adjusting the relative spatial position of base 11 relative to base 10 between base 10 and the base 11.
Traditionally, the shaft parts are measured by clamping and positioning by using the center devices at two ends, so whether the shaft parts are accurately clamped and positioned mainly depends on the center devices. However, the traditional centre device cannot be positioned and adjusted in a working state after the assembly is completed, so that the traditional centre device cannot meet the requirements under the working condition of meeting the high requirement on positioning accuracy.
According to the technical scheme of this application, be provided with adjustment mechanism between basic seat 10 and the base 11, this adjustment mechanism can adjust the relative spatial position of base 11 for basic seat 10, including height, offset and inclination etc. between base 11 and the basic seat 10 to make top device 12 among the measurement system still can carry out the positioning adjustment of above-mentioned spatial position after accomplishing the assembly, and then realize detecting the measurement to shaft class part under the condition of high accuracy centre gripping location, improve measurement accuracy and measurement of efficiency.
The base 10 is mounted on a rack, and the mounting relationship between the base 10 and the rack may include fixed mounting or movable mounting according to different actual working conditions and environments. As shown in fig. 1, the base unit 10 is preferably slidably engaged with the frame via guide rails. The guide rails are preferably arranged in the longitudinal direction D3 so that the base 10 can be moved in position in this direction, thereby enabling the measuring system to be applied to shaft parts of various lengths. Be provided with base 11 on the basis seat 10, according to the operating mode needs, the mounting form between this base 11 and the basis seat 10 can include fixed mounting, slidable fit or other adjustable mounting means.
The center devices 12 are used for clamping the end parts of the shaft parts to be measured, the number of the center devices 12 is at least two, and at least two center devices 12 are arranged oppositely to form a clamping space for fixing the shaft parts to be measured. As shown in fig. 1, the base 11 is provided with a first rail 111, and the at least one tip device 12 is slidably mounted to the base 11 via the first rail 111. Wherein the first guide rail 111 is preferably arranged in the longitudinal direction D3 such that the tip device 12 can be moved back and forth in this direction relative to the base 11 to effect a change of the at least one tip device 12 between the sensing position and the non-sensing position.
As shown in fig. 1 and 2, an adjusting mechanism for adjusting the relative spatial position of the base 11 with respect to the base 10 is disposed between the base 10 and the base 11, and the measuring system can be recalibrated and positioned at any time according to different working conditions and environments through the adjusting mechanism, so that the purpose of detecting and measuring shaft parts under the condition of high-precision clamping and positioning is achieved.
The adjusting mechanism adjusts the relative spatial position of the base 11 relative to the base 10 according to the requirements of actual working conditions and environments. As shown in fig. 2, the relative spatial position of the base 11 with respect to the base 10 comprises at least one of: the distance of the base 11 with respect to the base 10 in the height direction D1; the inclination angle of the base 11 with respect to the base 10 in the horizontal direction; the offset displacement of the base 11 relative to the base 10 in the transverse direction D2. Wherein, the center device 12 can be moved in the height direction D1 by adjusting the distance of the base 11 relative to the base 10; the angle of the central axis of the apex device 12 can be adjusted by adjusting the inclination angle of the base 11 relative to the base 10; by adjusting the offset displacement of the base 11 relative to the base 10, the tip device 12 can be moved in the transverse direction D2. The adjusting mode can be independently realized and also can be combined, so that the aim that the measuring system can still be calibrated and positioned after the assembly is finished is fulfilled, and the working efficiency and the service life of the measuring system are improved.
In order to achieve the above-mentioned adjustment of the spatial position of the base 11 relative to the base 10, the adjustment mechanism may have various forms, including but not limited to one or more combinations of threads, slots, pins, and the like. As shown in fig. 2, the adjusting mechanism preferably includes a plurality of adjusting bolts 13 disposed between the base 11 and the base frame 10 in a vertical direction or a horizontal direction. Through this adjusting bolt 13, can realize the manual regulation to the spatial position of base 11 for basic unit 10, have the advantage of convenient to operate. By arranging a plurality of adjusting nuts on the adjusting bolts 13, each adjusting bolt 13 can realize self-locking, and the reliability of the adjustment of the spatial position is improved. Furthermore, the adjusting screw 13 can be replaced by a hydraulic device or a motor-driven screw structure, so as to automatically adjust the spatial position of the base 11 relative to the base 10.
According to the measuring system for the shaft parts, the conversion process of the centre device 12 between the detection position and the non-detection position can be manually controlled, and the automatic driving can be realized by arranging a driver. Preferably, as shown in fig. 3 and 4, the base 11 is mounted with a first linear actuator 14, the first linear actuator 14 being connected to the tip device 12 to drive the tip device 12 to move on the base 11 along the longitudinal direction D3 through the first guide rail 111. The automatic control center device 12 is switched between the detection position and the non-detection position by the control of the first linear actuator 14. The first linear actuator 14 may include a linear actuator such as an electric cylinder, an air cylinder, or a hydraulic cylinder, or may convert the rotation of a motor into linear drive by means of a rack-and-pinion or a lead screw pair. Preferably, the first linear actuator 14 is one of a hydraulic cylinder, an air cylinder, or a linear motor.
In order to avoid the damage to the part or the tip device 12 caused by the hard contact between the tip device 12 and the end of the shaft part to be detected when the tip device 12 enters the detection position, as shown in fig. 3 and 4, a tension elastic element 15 is arranged between the base 11 and the tip device 12, the front end and the rear end of the tension elastic element 15 are respectively connected to the base 11 and the tip device 12 so as to always apply forward tension to the tip device 12, and the first linear actuator 14 is only used for applying backward tension to the base 11. Compared with a bidirectional driving linear driver, the unidirectional first linear driver 14 greatly saves the cost of the measuring system, and meanwhile, the shaft parts to be measured are positioned through the constant acting force of the tension elastic part 15, so that the measuring error in the measuring process is reduced. The elastic pulling part 15 realizes the forward movement of the center device 12 along the longitudinal direction D3, and when the center device 12 is in contact with the shaft part to be measured, the center device and the shaft part are not in hard contact. The tension elastic member 15 may be a spring member, or an elastic member made of other elastic materials (such as rubber) and meeting the requirement of elasticity may be used. As shown in fig. 3 and 4, the tension elastic member 15 is preferably a tension spring extending in the longitudinal direction D3, and the tension spring has a plurality of tension springs and is disposed at both sides of the tip device 12. The number of the plurality of tension springs is preferably even, and the plurality of tension springs are evenly distributed on two sides of the center device 12, so that tension forces of the tension springs on the two sides of the center device 12 are equal, and the service life of the first guide rail 111 is prolonged. With the tension spring 15 disposed between the base 11 and the tip device 12, the tip device 12 has reciprocally switchable extended and retracted positions in the longitudinal direction, wherein: in the extended position, the first linear actuator 14 does not apply a rearward pulling force to the tip device 12 and the tension spring 15 applies a forward elastic pulling force to the tip device 12; in the retracted position, the first linear actuator 14 exerts a forward directed elastic pulling force on the tip device 12 against the tension elastic 15 and a rearward directed pulling force on the tip device 12.
As shown in fig. 4, the center device 12 includes: a mount 121, the mount 121 being slidably mounted to the base 11 through the first guide rail 111; and a tip assembly 122, the tip assembly 122 being fixedly mounted to the mount 121 and having a forwardly facing tip shaft 123. The mounting block 121 is responsible for carrying the tip assembly 122 and is slidably mounted to the base 11 via the first rail 111 such that the tip assembly 122 is slidable relative to the base 11 in the direction of the first rail 111. The tip assembly 122 includes a tip shaft 123, and the tip shaft 123 is used for positioning an end of the shaft part to be measured during the measurement process. The forward end of the tip shaft 123 may be in a conical shape or an arc shape, and preferably, the forward end of the tip shaft 123 is in a spherical shape with a slotted hole, and a sensor or a probe can be arranged through the slotted hole of the spherical tip shaft 123 to measure the end or the shaft hole of the shaft part to be measured while positioning.
As shown in fig. 5, the measuring system comprises a measuring device 16, which measuring device 16 is mounted to a mounting block 121 adjacent to the tip device 12. The measuring device 16 is mounted on the mounting base 121 and is used for collecting parameters of the end of the shaft part to be measured in the measuring process of the measuring system. As shown in fig. 6, the measurement device 16 includes: a sliding seat 161, the sliding seat 161 being longitudinally slidably mounted on the mounting seat 121 through the second rail 112; and a measuring rod 162, a measuring sensor 1621 is arranged at the front end of the measuring rod 162, the rear end of the measuring rod 162 is fixedly arranged on the sliding seat 161, and the measuring system further comprises a second linear driver 17, the second linear driver 17 is fixedly arranged on the mounting seat 121 and is connected with the sliding seat 161 so as to drive the sliding seat 161 to reciprocate on the mounting seat 121 along the longitudinal direction D3. The rear end of the measuring rod 162 is fixedly installed on the sliding base 161 so that the measuring rod 162 can move back and forth with respect to the mounting base 121 to extend or retract the sensor or probe installed at the front end of the measuring rod 162 in the slot of the tip shaft 123. The second linear actuator 17 fixed to the mounting seat 121 can automatically control the extending and retracting operations of the measuring rod 162. It is therefore the case that the measuring rod 162 has a forward projecting operating position and a rearward retracting inoperative position in the longitudinal direction D3, the measuring rod 162 being switched back and forth between the operating position and the inoperative position upon actuation of the second linear drive 17. The second linear actuator 17 may be any one of a hydraulic cylinder, an air cylinder, or a linear motor.
In order to sufficiently measure various parameters of the end portion of the shaft-like part to be measured, as shown in fig. 6, it is preferable that the plurality of measuring rods 162 extend in parallel with a space therebetween, and the measuring sensor 1621 of each measuring rod 162 is adjacent to the front end of the tip shaft 123 of the tip device 12. According to different measurement parameters, the measurement sensor 1621 may be an optical sensor, a magnetic sensor, or a contact sensor, so that the contact probe is attached to the end surface of the shaft component to be measured.
As shown in fig. 7, in order to realize the measurement of the shaft part to be measured in a dynamic state, the measurement system further includes a shifting device 30, and the shifting device 30 includes: a rotation driving device 31, the rotation driving device 31 being attached to the base 11; the transmission wheel 32, the transmission wheel 32 is rotatably sleeved on the centre shaft 123 and is in transmission connection with the rotary driving device 31; a toggle disc 33, the toggle disc 33 is mounted on the transmission wheel 32 to be capable of synchronous rotation, and a toggle pin or a toggle groove 34 is provided on the forward end surface of the toggle disc 33. The rotation driving device 31 is used for providing a driving force for rotating the toggle device 30, and the rotation driving device 31 may be provided by a motor, or may be a mechanism for converting a linear driving into a rotational driving, such as a rack and pinion mechanism. The transmission wheel 32 is rotatably sleeved on the tip shaft 123 and is in transmission connection with the rotation driving device 31, wherein the transmission connection can include any one or more combinations of transmission modes such as belt transmission, gear transmission, transmission shaft transmission and the like. The poking disc 33 is used for realizing the end matching with the shaft parts after the shaft parts to be detected are positioned by the tip shaft 123 through a poking pin or a poking groove 34 arranged on the forward end surface of the poking disc 33. Under the condition that the transmission wheel 32 is provided with a rotary driving force by the rotary driving device 31, the shaft part to be measured is synchronously driven to rotate, and dynamic measurement is realized. When the forward end surface of the poking disc 33 is provided with a poking pin 34, the corresponding end part of the shaft part to be tested is provided with a groove matched with the end part; when the forward end surface of the poking disc 33 is provided with a poking groove 34, the corresponding end part of the shaft part to be tested is provided with a pin matched with the shaft part to be tested. In order to protect the shaft part to be measured and the dial plate 33, a movement margin in the longitudinal direction D3 is provided between the dial plate 33 and the transmission wheel 32, and an elastic buffer 35 arranged in the circumferential direction is provided. Under the action of the elastic buffer 35, the contact process between the dial 33 and the shaft part to be measured is elastic. The elastic buffer 35 may be an elastic element integrally made of an elastic material (such as rubber or resin), or may be a spring element made of a metal or nonmetal material.
As shown in fig. 8, the dial plate 33 includes, in order from the rear to the front in the longitudinal direction D3: a base plate 331, the base plate 331 being mounted on the driving wheel 32; a first floating disk 332, the first floating disk 332 being slidably mounted to the base disk 331 along a first radial direction S1; and a second floating disc 333, the second floating disc 333 being slidably mounted to the first floating disc 332 in a second radial direction S2, the second radial direction S2 being at an angle of 30 degrees to 90 degrees to the first radial direction S1. Preferably, the second radial direction S2 is at an angle of 90 degrees to the first radial direction S1, so that the second floating disc 333 in which the toggle pin or the toggle groove 34 is located is able to float relative to the base disc 331 in the plane of the second radial direction S2 and the first radial direction S1. When the driving wheel 32 rotates under the rotation driving force of the rotation driving device 31, the poking disc 33 and the poked shaft part to be measured rotate synchronously, and at the moment, the basic disc 331, the first floating disc 332 and the second floating disc 333 are in floating fit, so that the poking process cannot influence the positioning of the shaft part by the tip shaft 123, and the dynamic measurement is realized while the positioning accuracy is ensured.
The measuring system for the shaft parts can be applied to the measurement of various shaft parts, and the shaft parts can be detected and measured under the condition of high-precision clamping and positioning. Preferably, the measuring system is used for crankshaft measurements.
According to the preferred embodiment of the present application, after the shaft-like part to be measured enters the detection area, the first linear actuator 14 is released, the tension elastic element 15 is released, and the mounting seat 121 is pulled by the elastic force of the tension elastic element 15 to move forward relative to the base 11, so that the tip shaft 123 fixed to the mounting seat 121 positions the end of the shaft-like part to be measured. And then the second linear driver 17 drives the measuring sensor 1621 to extend out from the slotted holes at the two sides of the tip shaft 123 along the extending direction of the second guide rail 112, and the end of the shaft part to be measured is measured by the measuring sensor 1621 to judge whether the positioning is accurate. In the process, if the positioning of the tip shaft 123 has errors, the spatial position of the measuring system can be calibrated at any time through the adjusting bolt 13. After accurate positioning, the rotary driving device 31 through the shifting device 30 provides rotary driving force to make the shifting disk 33 rotate, the shifting disk 33 forms a rotary speed difference with the end part of the shaft part to be measured, and then the shifting pin or the shifting groove 34 is matched with the groove or the pin of the end part of the shaft part to be measured to drive the shaft part to be measured to rotate, and the dynamic measurement is realized by matching with the measuring and detecting device arranged on the periphery of the shaft part to be measured.
The preferred embodiments of the present application have been described in detail above, but the present application is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present application within the technical idea of the present application, and these simple modifications all belong to the protection scope of the present application.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described in the present application.
In addition, any combination of the various embodiments of the present application is also possible, and the same should be considered as disclosed in the present application as long as it does not depart from the idea of the present application.
Claims (10)
1. Measuring system for shaft parts, characterized in that it comprises:
a base (10), the base (10) being mounted to the frame;
a base (11), the base (11) being mounted to the base (10) and having a first guide rail (111); and
a tip device (12), the tip device (12) being slidably mounted to the base (11) by the first guide rail (111), wherein,
an adjusting mechanism for adjusting the relative spatial position of the base (11) relative to the base (10) is arranged between the base (10) and the base (11);
the relative spatial position of the base (11) with respect to the base (10) comprises at least one of:
-the distance of the base (11) with respect to the base (10) in the height direction (D1);
the inclination angle of the base (11) with respect to the base (10) in the horizontal direction;
-an offset displacement of the base (11) with respect to the base (10) in a transverse direction (D2).
2. Measuring system for shaft parts according to claim 1, characterized in that the adjusting mechanism comprises a plurality of adjusting bolts (13) arranged vertically or horizontally between the base (11) and the foundation base (10).
3. Measuring system for shaft parts according to claim 1, characterized in that a first linear drive (14) is mounted on the base (11), which first linear drive (14) is connected to the tip device (12) for driving the tip device (12) to move in the longitudinal direction (D3) on the base (11) via the first guide rail (111).
4. The measuring system for shaft parts according to claim 3, characterized in that a tension elastic member (15) is arranged between the base (11) and the tip device (12), the front end and the rear end of the tension elastic member (15) are respectively connected to the base (11) and the tip device (12) so as to always apply forward tension to the tip device (12),
the first linear actuator (14) is only used for applying a backward pulling force to the base (11);
the tip arrangement (12) has a reciprocally switchable extended position and a retracted position in a longitudinal direction, wherein:
in the extended position, the first linear actuator (14) does not apply a rearward pulling force to the tip arrangement and the tension spring (15) applies a forward resilient pulling force to the tip arrangement (15);
in the retracted position, the first linear actuator (14) exerts a forward resilient tension on the tip arrangement (12) against the tension spring (15) and a rearward tension on the tip arrangement.
5. Measuring system for shaft parts according to claim 4, characterized in that the tension spring (15) is a tension spring extending in the longitudinal direction (D3), which spring is provided in several pieces and arranged on both sides of the tip device (12).
6. Measuring system for shaft parts according to claim 1, characterized in that the tip device (12) comprises:
a mounting seat (121), wherein the mounting seat (121) is slidably mounted on the base (11) through the first guide rail (111); and
a tip assembly (122) fixedly mounted to the mount (121) and having a forwardly facing tip shaft (123).
7. Measuring system for shaft parts according to claim 6, characterized in that the measuring system comprises a measuring device (16), which measuring device (16) is mounted to the mounting seat (121) adjacent to the tip device (12);
the measuring device (16) comprises:
a sliding seat (161), wherein the sliding seat (161) is longitudinally slidably mounted on the mounting seat (121) through a second guide rail (112); and
a measuring rod (162), a measuring sensor is arranged at the front end of the measuring rod (162), the rear end of the measuring rod (162) is fixedly arranged on the sliding seat (161),
the measuring system further comprises a second linear driver (17), wherein the second linear driver (17) is fixedly arranged on the mounting seat (121) and is connected with the sliding seat (161) so as to drive the sliding seat (161) to reciprocate on the mounting seat (121) along the longitudinal direction (D3).
8. The measuring system for shaft parts according to claim 7, characterized in that the measuring rods (162) are plural, the plural measuring rods (162) extending in parallel at a distance from each other, the measuring sensor (1621) of each measuring rod (162) being adjacent to the tip shaft (123) front end of the tip device (12);
the measuring rod (162) has a forward-projecting working position and a rearward-retracting non-working position in the longitudinal direction (D3), the measuring rod (162) being reciprocally switchable between the working position and the non-working position upon actuation of the second linear actuator (17).
9. Measuring system for shaft parts according to claim 6, characterized in that the measuring system further comprises a toggle device (30) comprising:
a rotation drive device (31), wherein the rotation drive device (31) is mounted on the base (11);
the transmission wheel (32), the transmission wheel (32) is rotatably sleeved on the centre shaft (123) and is in transmission connection with the rotary driving device (31);
the poking disc (33), the poking disc (33) is arranged on the driving wheel (32) to rotate synchronously, and a poking pin or a poking groove (34) is arranged on the forward end surface of the poking disc (33);
a movement margin in the longitudinal direction (D3) is provided between the dial plate (33) and the drive wheel (32), and an elastic buffer (35) arranged in the circumferential direction is provided.
10. Measuring system for shaft parts according to claim 9, characterized in that the dial plate (33) comprises, in succession from back to front in the longitudinal direction (D3):
a base plate (331), the base plate (331) being attached to the driving wheel (32);
a first floating disc (332), the first floating disc (332) being slidably mounted to the base disc (331) in a first radial direction (S1); and
a second floating disc (333), the second floating disc (333) being slidably mounted to the first floating disc (332) in a second radial direction (S2), the second radial direction (S2) being at an angle of 30 to 90 degrees to the first radial direction (S1).
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| CN202010216254.2A CN111089553B (en) | 2020-03-25 | 2020-03-25 | Measuring system for shaft parts |
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| CN202010216254.2A CN111089553B (en) | 2020-03-25 | 2020-03-25 | Measuring system for shaft parts |
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| CN111089553B CN111089553B (en) | 2020-06-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397557A (en) * | 2020-06-02 | 2020-07-10 | 南京泰普森自动化设备有限公司 | Position degree measuring device and position degree measuring method |
| CN111515885A (en) * | 2020-07-06 | 2020-08-11 | 南京泰普森自动化设备有限公司 | Shaft part dynamic measurement system and clamping device thereof |
| CN113295122A (en) * | 2021-07-27 | 2021-08-24 | 南京泰普森自动化设备有限公司 | Gearbox shafting measurement system and measurement device thereof |
| CN114877952A (en) * | 2022-07-11 | 2022-08-09 | 山东华颂北理智能科技有限公司 | Main shaft assembly detection device based on numerical control machine tool |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111397557A (en) * | 2020-06-02 | 2020-07-10 | 南京泰普森自动化设备有限公司 | Position degree measuring device and position degree measuring method |
| CN112179302A (en) * | 2020-06-02 | 2021-01-05 | 南京泰普森自动化设备有限公司 | Position degree measuring device and position degree measuring method |
| CN111515885A (en) * | 2020-07-06 | 2020-08-11 | 南京泰普森自动化设备有限公司 | Shaft part dynamic measurement system and clamping device thereof |
| CN113295122A (en) * | 2021-07-27 | 2021-08-24 | 南京泰普森自动化设备有限公司 | Gearbox shafting measurement system and measurement device thereof |
| CN114877952A (en) * | 2022-07-11 | 2022-08-09 | 山东华颂北理智能科技有限公司 | Main shaft assembly detection device based on numerical control machine tool |
| CN114877952B (en) * | 2022-07-11 | 2022-10-04 | 山东华颂北理智能科技有限公司 | Main shaft assembly detection device based on numerical control machine tool |
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