CN220982207U - Telescopic turntable structure and inner hole measuring device - Google Patents

Abstract

The utility model discloses a telescopic turntable structure and an inner hole measuring device, which belong to the technical field of engineering measurement. The telescopic turntable structure disclosed by the utility model is simple in structure and convenient to assemble, can realize reliable supporting and setting of corresponding tools, accurately complete position adjustment of the tools after setting, realize automatic adjustment of axial and circumferential positions, improve the working reliability and the use flexibility of the corresponding tools, and is especially suitable for application requirements of laser measuring tools in deep hole measuring scenes, ensure the precision and efficiency of deep hole measurement and have good practical values.

Description

Telescopic turntable structure and inner hole measuring device

Technical Field

The utility model belongs to the technical field of engineering measurement, and particularly relates to a telescopic turntable structure and an inner hole measuring device.

Background

In the field of mechanical processing plants, the need for machining deep holes in large workpieces is often encountered. In the processing process, the depth sizes in the holes are detected among the working procedures, so that the deformation of the workpiece is controlled, the technological parameters are adjusted, and the quality of the part is ensured.

For traditional bore sizing methods, it is common to use a measurement caliper or custom bore measurement work piece to manually measure different depths of the deep space. Although the mode can meet the measurement requirement of the inner hole to a certain extent, the mode still has the problems of inaccurate depth positioning, few measurement points, isolated measurement results and high repeated positioning difficulty. Moreover, for sequential measurement of parts in the same batch, the measurement points of the existing measurement mode are different, and for the lack of direct measurement results of continuous transition surfaces in holes, only the inner hole model can be used for surface matching detection, so that the inner hole measurement process is complicated, and the measurement accuracy is poor.

In the prior art, there have been schemes for deep hole measurement by introducing a laser measuring tool, which can meet the control requirement of measurement accuracy to a certain extent, and also can protect the machined surface of a workpiece to a certain extent, and because the measuring range flexibly covers the measurement requirement of a large number of customized inner holes. However, the existing laser measurement is also mostly completed by handheld equipment of a detector, and the problems of low repeated positioning precision, loose data points, difficulty in forming a data chain to carry out inner hole digital modeling and the like still exist, so that certain application limitations exist.

Disclosure of utility model

Aiming at one or more of the defects or improvement demands of the prior art, the utility model provides a telescopic turntable structure and an inner hole measuring device, which can realize reliable support and accurate control of a laser measuring tool in use, complete automatic adjustment of positioning depth and orientation of the laser measuring tool in work and improve efficiency and precision of inner hole measurement.

In order to achieve the above object, according to one aspect of the present utility model, there is provided a telescopic turntable structure including a fixed base plate and a pair of fixed bases disposed on the fixed base plate at intervals; the telescopic device also comprises a telescopic component, a rotating component and a mounting cross rod, wherein the rotating component and the mounting cross rod are respectively arranged at two axial ends of the telescopic component;

One end of the mounting cross rod is connected with the end part of the telescopic component, and a connecting structure for connecting and mounting a corresponding tool is formed at the other end of the mounting cross rod;

The rotating assembly is arranged at one end of the telescopic assembly, which is away from the mounting cross rod, and is connected with the end part of the telescopic assembly in an assembling way and used for driving the telescopic assembly to rotate around the shaft;

The telescopic components are electrically controlled telescopic components, the telescopic components movably penetrate through the two fixing seats, the axial telescopic adjustment of the mounting cross rod can be realized through the telescopic control of the telescopic components, and the rotation of the mounting cross rod around the shaft can be realized under the drive of the rotating components.

As a further improvement of the present utility model, the rotating assembly includes a rotating motor, a transmission module, and a rotating shaft;

One end of the rotating shaft is coaxially connected with the telescopic component, the other end of the rotating shaft is connected with one end of the transmission module, and the other end of the transmission module is connected with an output shaft of the rotating motor, so that the rotating motor can drive the rotating shaft and the telescopic component connected with the rotating shaft to rotate through the transmission module.

As a further improvement of the utility model, the transmission module is a transmission gear set which comprises two transmission gears meshed with each other, wherein one transmission gear is coaxially connected with the output shaft of the rotating motor, and the other transmission gear is coaxially connected with the rotating shaft through a coaxial rotating joint.

As a further improvement of the utility model, the rotating assembly further comprises bearing seats coaxially embedded on the two fixed seats, and bearings are respectively arranged on the two bearing seats, so that two ends of the telescopic assembly are respectively connected with the corresponding fixed seats in a rotating way through the bearings.

As a further improvement of the present utility model, a motor bracket is provided on the fixed base plate corresponding to the rotary electric machine.

As a further improvement of the utility model, the connection of the mounting rail to the end of the telescopic assembly is a detachable connection.

As a further improvement of the utility model, the mounting rail has a plurality of length dimension options.

As a further improvement of the utility model, the axis of the mounting rail is perpendicular to the axis of the telescoping assembly.

In another aspect of the utility model, there is also provided an internal bore measurement apparatus comprising a laser measurement tool disposed on a mounting rail of the telescoping turret structure.

The above-mentioned improved technical features can be combined with each other as long as they do not collide with each other.

In general, the above technical solutions conceived by the present utility model have the beneficial effects compared with the prior art including:

(1) According to the telescopic turntable structure, the telescopic assembly, the rotary assembly and the mounting cross rod are arranged on the fixed bottom plate in a combined mode, so that the supporting arrangement of corresponding tools can be realized, the telescopic adjustment and the rotary adjustment of the corresponding tools in actual use are met, the flexibility of the adjustment of the working state and the working position of the corresponding tools is improved, and the accuracy and the reliability of the acquisition of corresponding operation data are ensured.

(2) According to the telescopic turntable structure, the convenience and the control accuracy of the telescopic turntable structure assembly can be further ensured by optimally setting the specific composition form of the rotating assembly and the specific setting mode of the cross rod, and the flexibility and the convenience of the use of corresponding tools are improved.

(3) According to the inner hole measuring device, the laser measuring tool and the telescopic turntable structure are combined, so that the laser measuring tool can reliably support when measuring the inner diameter of the deep hole, the axial position and the circumferential position of the laser measuring tool can be automatically and accurately adjusted, the efficiency and the accuracy of measuring the inner diameter of the deep hole are improved, the continuity and the consistency of adjusting the measuring positions of different workpieces in different positions and in the same batch of the same workpiece are ensured, the data chain acquisition requirements of different workpieces are met, and the accuracy of measuring the inner diameter of a deep hole part is improved.

(4) The telescopic turntable structure disclosed by the utility model is simple in structure and convenient to assemble, can realize reliable supporting and setting of corresponding tools, accurately complete position adjustment of the tools after setting, realize automatic adjustment of axial and circumferential positions, improve the working reliability and the use flexibility of the corresponding tools, and is especially suitable for application requirements of laser measuring tools in deep hole measuring scenes, ensure the precision and efficiency of deep hole measurement and have good practical values.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front elevational view of a telescoping turret structure in accordance with an embodiment of the utility model;

FIG. 2 is a top plan view of a telescoping turret structure in accordance with an embodiment of the utility model;

FIG. 3 is a left side view of the structure of the telescoping turret structure in an embodiment of the utility model;

FIG. 4 is a right side view of the telescoping turret structure in an embodiment of the utility model;

FIG. 5 is a schematic diagram showing the working state of the inner hole measuring device according to the embodiment of the utility model;

Like reference numerals denote like technical features throughout the drawings, in particular:

1. A fixed bottom plate; 2. a fixing seat; 3. a motor bracket; 4. a telescoping assembly; 5. a rotating assembly; 6. mounting a cross bar; 7. a laser measuring tool; 8. a workpiece to be measured;

501. A bearing seat; 502. a bearing; 503. a rotation shaft; 504. a rotating electric machine; 505. a drive gear set; 506. a coaxial rotary joint; 801. and (5) deep holes to be tested.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Examples:

referring to fig. 1 to 4, the telescopic turntable structure in the preferred embodiment of the present utility model includes a fixed base plate 1 having a plate-like structure, and the telescopic turntable structure can be mounted on a corresponding workbench for use through the fixed base plate 1.

Specifically, the fixed base plate 1 in the preferred embodiment is provided with a pair of fixed bases 2 at intervals for penetrating and installing the telescopic assembly 4. The telescopic assembly 4 in the preferred embodiment is an electrically controlled telescopic assembly, and further preferably is a high-precision electrically controlled telescopic rod, which can realize reciprocating telescopic motion in the axial direction, that is, in the direction of the connecting line of the two fixing bases 2, so as to correspondingly adjust the axial position of a corresponding tool mounted on the end part of the telescopic assembly 4.

Meanwhile, in the preferred embodiment, a rotating assembly 5 is further provided corresponding to the setting of the telescopic assembly 4, and is used for driving the telescopic assembly 4 to perform circumferential rotation control, so as to further realize adjustment of circumferential positions of corresponding tools on the end part of the telescopic assembly 4.

In more detail, the rotating assembly 5 in the preferred embodiment includes bearing seats 501 provided separately on the two fixing bases 2, and bearings 502 are coaxially provided in the two bearing seats 501, respectively. Correspondingly, the two ends of the telescopic assembly 4 are respectively assembled with the fixed seat 2 through the two bearings 502, so that the telescopic assembly 4 has the capability of moving around a shaft.

In order to achieve a connection mounting of the respective tool on one end of the telescopic assembly 4, a mounting cross bar 6 is provided at one end of the telescopic assembly 4, the axis of the mounting cross bar 6 preferably being perpendicular to the axis of the telescopic assembly 4, and a mounting structure of the respective tool is provided at the end of the mounting cross bar 6 facing away from the telescopic assembly 4, so that the respective tool can be quickly mounted at the end of the mounting cross bar 6.

Preferably, the connection of the end parts of the mounting cross bar 6 and the telescopic assembly 4 is detachable, and the mounting cross bar 6 is arranged in a mode with various length specifications being selectable, so that different mounting cross bars 6 can be quickly replaced according to actual needs.

For example, in a specific preferred embodiment, the corresponding tool is a laser measuring tool 7, which can be used to measure the inner diameter information of the deep hole 801 to be measured on the corresponding workpiece 8 to be measured, at this time, the mounting cross bar 6 can be replaced according to the size of the workpiece 8 to be measured and/or the size and position of the deep hole 801 to be measured, so as to meet the requirement of actual measurement, and improve the measurement accuracy.

Further, corresponding to the rotation control of the telescopic assembly 4, a rotation driving module is arranged at the other end of the telescopic assembly, which is away from the mounting cross bar 6, and the automatic rotation control and adjustment of the telescopic assembly 4 are completed by the rotation driving module. In a preferred embodiment, the rotary drive module includes a rotary motor 504 and a drive gear set 505 disposed in correspondence with its output shaft.

In more detail, the transmission gear set 505 in the preferred embodiment includes a pair of gears engaged with each other, one of which is coaxially connected to the output shaft of the rotating motor 504, and the other of which is coaxially matched to the rotating shaft 503 provided at the end of the telescopic assembly 4 through the coaxial rotating joint 506, so that the driving force of the rotating motor 504 can be transmitted to the rotating shaft 503 through the transmission gear set 505 and then to the telescopic assembly 4 through the rotating shaft 503, thereby accomplishing the rotation control of the telescopic assembly 4.

In actual setting, the motor bracket 3 is provided on the fixed base plate 1 in correspondence with the installation of the rotary electric machine 504, as shown in fig. 1.

Through the assembly setting of flexible subassembly 4 and rotating assembly 5 on fixed bottom plate 1, can accurately realize the flexible control of axial expansion and annular rotation of installation horizontal pole 6 on the 4 one end that deviates from rotating assembly 5 of flexible subassembly, and then realize the automatic adjustment of corresponding instrument axial position and annular position, promote the convenience of use and the accuracy of corresponding instrument.

As another embodiment of the present utility model, there is further provided in a preferred embodiment an inner bore measuring device based on the aforementioned telescopic turntable structure, as shown in fig. 5.

It will be appreciated that in this embodiment, the inner hole measuring device is configured to measure the inner diameter of the deep hole 801 to be measured on the corresponding workpiece 8 to be measured, and it is further preferably configured to be a laser ranging unit on the mounting rail 6, and capable of extending into the corresponding deep hole 801 to be measured and completing measurement of the aperture of the corresponding position of the deep hole 801 to be measured.

For the bore measurement device in the preferred embodiment, the form of making a bore measurement of the deep bore 801 to be measured in the workpiece 8 to be measured is shown in fig. 5. At this time, the fixed bottom plate 1 is mounted on a corresponding workbench, the workpiece 8 to be measured is placed on one side of the workbench, the deep hole 801 to be measured is just opposite to one end of the telescopic assembly 4, which is provided with the mounting cross rod 6, and the laser measuring tool 7 arranged at the end of the mounting cross rod 6 can rapidly switch the axial position through the telescopic control of the telescopic assembly 4, and stretches into the deep hole 801 to be measured or is taken out from the deep hole 801 to be measured.

In actual operation, to the control of flexible subassembly 4 and rotating component 5, preferably be provided with the industrial computer, utilize this industrial computer can accomplish the automatic control of flexible subassembly 4 and rotating component 5 voluntarily, further hoisting device's automaticity and convenience. Through the control of the rotating assembly 5, the inner diameter measurement of different positions on the uniform radial end surface of the deep hole 801 to be measured can be realized; through the flexible control of flexible subassembly 4, can realize the measurement of internal diameter on the different radial terminal surfaces of deep hole 801 axial that awaits measuring.

Of course, when the workpiece 8 to be measured changes or the size of the deep hole 801 to be measured changes, the corresponding mounting cross bar 6 can be replaced as required, and the radial distance between the measuring tool and the telescopic assembly 4 can be changed.

The telescopic turntable structure is simple in structure and convenient to assemble, can realize reliable supporting and setting of corresponding tools, accurately complete position adjustment of the tools after setting, realize automatic adjustment of axial and circumferential positions, improve working reliability and use flexibility of the corresponding tools, and is particularly suitable for application requirements of laser measuring tools in deep hole measuring scenes, ensure accuracy and efficiency of deep hole measurement and have good practical value.

It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (9)

1. A telescopic turntable structure comprises a fixed bottom plate and a pair of fixed seats which are arranged on the fixed bottom plate at intervals; the telescopic device is characterized by further comprising a telescopic component, a rotating component and an installation cross rod, wherein the rotating component and the installation cross rod are respectively arranged at two axial ends of the telescopic component;

One end of the mounting cross rod is connected with the end part of the telescopic component, and a connecting structure for connecting and mounting a corresponding tool is formed at the other end of the mounting cross rod;

The rotating assembly is arranged at one end of the telescopic assembly, which is away from the mounting cross rod, and is connected with the end part of the telescopic assembly in an assembling way and used for driving the telescopic assembly to rotate around the shaft;

The telescopic components are electrically controlled telescopic components, the telescopic components movably penetrate through the two fixing seats, the axial telescopic adjustment of the mounting cross rod can be realized through the telescopic control of the telescopic components, and the rotation of the mounting cross rod around the shaft can be realized under the drive of the rotating components.

2. The telescoping turret structure of claim 1, wherein the rotating assembly includes a rotating motor, a drive module, and a rotating shaft;

One end of the rotating shaft is coaxially connected with the telescopic component, the other end of the rotating shaft is connected with one end of the transmission module, and the other end of the transmission module is connected with an output shaft of the rotating motor, so that the rotating motor can drive the rotating shaft and the telescopic component connected with the rotating shaft to rotate through the transmission module.

3. The telescopic turntable structure according to claim 2, wherein the transmission module is a transmission gear set including two transmission gears engaged with each other, one of the transmission gears being coaxially connected to an output shaft of the rotary motor, and the other transmission gear being coaxially connected to the rotary shaft through a coaxial rotary joint.

4. A telescopic turntable structure according to claim 2 or 3, wherein the rotating assembly further comprises bearing seats coaxially embedded in the two fixing seats, and bearings are respectively arranged on the two bearing seats, so that two ends of the telescopic assembly are respectively rotatably connected with the corresponding fixing seats through the bearings.

5. A telescopic turntable structure according to claim 2 or 3, wherein a motor bracket is provided on the stationary base plate in correspondence with the rotary motor.

6. A telescopic turret structure according to any one of claims 1-3, wherein the connection of the mounting rail to the end of the telescopic assembly is a detachable connection.

7. The telescoping turret structure of claim 6 wherein the mounting rails have a plurality of length dimension options.

8. A telescopic turret structure according to any one of claims 1-3, 7, wherein the axis of the mounting rail is perpendicular to the axis of the telescopic assembly.

9. An inner bore measuring device comprising a laser measuring tool, wherein the laser measuring tool is arranged on a mounting rail of a telescopic turntable structure according to any one of claims 1-8.