Simulation device for outer diameter measurement training

Abstract

The invention discloses a simulation device for external diameter measurement training, which relates to the field of measurement teaching aids and comprises a base, a vertical shaft is fixed on the base, a transverse shaft is fixed on the vertical shaft, two ends of the transverse shaft are respectively connected with a replaceable fixed joint and a replaceable movable joint, and the movable joint is connected to the transverse shaft through a distance adjusting device. The ends, away from the transverse shaft, of the fixed connector and the movable connector are matched cambered surfaces. According to the invention, an outer diameter simulation object which continuously changes in a certain range is provided between the movable joint and the fixed joint through the distance adjusting device, and the device replaces a traditional precision forming device to serve as a training tool, and can be used for training a large number of precision assembly operators to master operation and use methods of outer diameter measuring tools such as a spiral micrometer and a vernier caliper. The device is simple in structure, small in size, low in cost and convenient to use, and can be widely applied to practical teaching training of spiral micrometer gauges, vernier calipers and other measuring tools in vocational colleges, training institutions and other places.

Description

Technical Field

[0001] The invention relates to the field of measuring teaching aids, in particular to a simulation device used for outer diameter measurement training. Background Art

[0002] In engineering, the outer diameter is usually an important indicator to measure product quality. In some precision assembly fields, it is also necessary to measure the outer diameter of some high-precision devices. Therefore, outer diameter measurement is a very important process. It is crucial for operators to master the operation and use of outer diameter measuring tools.

[0003] Traditional outer diameter measurement methods are mostly contact methods, such as calipers, vernier calipers, micrometers, etc. The current training of operators is mostly done directly using various precision molded components. On the one hand, the training process may cause wear of precision molded components; on the other hand, precision molded components are expensive and limited in quantity, so it is difficult to meet the needs of training a large number of operators at the same time. Based on this, a simulation device for outer diameter measurement training is proposed. Summary of the invention

[0004] The present invention is intended to provide a simulation device for outer diameter measurement training to solve the problem that precision molded components are difficult to meet the training needs of a large number of operators at the same time.

[0005] In order to achieve the above object, the present invention provides the following technical solutions:

[0006] A simulation device for outer diameter measurement training comprises a base, a vertical axis is fixed on the base, a horizontal axis is fixed on one end of the vertical axis away from the base, two ends of the horizontal axis are respectively connected with replaceable fixed joints and movable joints, the movable joint is connected to the horizontal axis through a distance adjustment device, and the ends of the fixed joint and the movable joint away from the horizontal axis are both matching arc surfaces.

[0007] Furthermore, the distance adjusting device includes a distance adjusting shaft and a differential sleeve, the differential sleeve is provided with a scale on one circle, the differential sleeve is rotationally connected with one end of the horizontal shaft, the differential sleeve is sleeved on the distance adjusting shaft, the distance adjusting shaft includes a distance indicating shaft, a threaded shaft and a fixed shaft, the distance indicating shaft is connected to the fixed shaft through a threaded shaft, the threaded shaft and the differential sleeve are threadedly connected, the distance indicating shaft is arranged at one end away from the horizontal shaft, the distance indicating shaft is provided with a scale, the fixed shaft is arranged in a recessed accommodating chamber at one end of the horizontal shaft, and a locking device and a limiting device are provided on the fixed shaft.

[0008] Furthermore, the pitch of the thread on the threaded shaft is 0.5 mm, the scale on the differential sleeve divides one circle of the differential sleeve into 50 grids, and the scale on the distance indicating shaft displays the distance moved by the distance adjusting shaft.

[0009] Furthermore, the locking device includes a locking screw, which is threadedly connected to the side of the fixed shaft. The locking screw passes through a slide groove on the side of the transverse shaft accommodating chamber, and the locking screw is rotated to tightly fix the fixed shaft and the transverse shaft.

[0010] Furthermore, the limiting device includes a limiting protrusion and a limiting groove, the limiting protrusion is arranged on the side of the fixed axis, the limiting groove is arranged on the side of the horizontal axis accommodating chamber, and the limiting protrusion and the limiting groove form a sliding connection.

[0011] Furthermore, the movable joint and the fixed joint are connected to the horizontal axis and the distance adjusting device through threads.

[0012] Furthermore, the base, the vertical axis and the horizontal axis are connected by welding.

[0013] Furthermore, the base, vertical axis or horizontal axis is engraved with a base length value, and the base length is the straight-line distance between the farthest point of the arc surface of the movable joint relative to the arc surface of the fixed joint when the displacement of the distance adjustment device is zero.

[0014] Furthermore, the movable joint and the fixed joint have models with different arc surface styles and outer diameters.

[0015] The principle and beneficial effects of this technical solution:

[0016] The base of the present invention is used to fix the training device on the training platform, and the movable joint is moved relative to the horizontal axis through the distance adjustment device, and a certain range of continuously changing outer diameter simulation objects are provided between the movable joint and the fixed joint. The present invention replaces the traditional precision molded device as a training tool. One set of the present invention can simulate precision molded devices with different outer diameters, which greatly saves costs and can be used to train a large number of precision assembly operators to master the operation and use of outer diameter measuring tools such as screw micrometers and vernier calipers. The present invention has a simple structure, small size, low cost, and is convenient and practical. It can be widely used in vocational schools, training institutions and other places for practical training and teaching of tools such as screw micrometers and vernier calipers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an overall schematic diagram of a simulation device for outer diameter measurement training;

[0018] Figure 2 A partial cross-sectional view of a simulation device for outer diameter measurement training;

[0019] Figure 3 The figure is a schematic diagram of a spacing axis of a simulation device used for outer diameter measurement training.

[0020] The reference numerals in the drawings of the specification include:

[0021] 1. Base; 2. Vertical axis; 3. Horizontal axis; 4. Fixed joint; 5. Movable joint; 6. Arc surface; 7. Distance adjustment device; 701. Distance adjustment axis; 7011. Distance indicating axis; 7012. Threaded axis; 7013. Fixed axis; 702. Differential sleeve; 8. Locking device; 801. Locking screw; 802. Slide groove; 9. Limiting device; 901. Limiting convex point; 902. Limiting groove; 10. Scale. DETAILED DESCRIPTION

[0022] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments:

[0023] like Figure 1-3 As shown, a simulation device for outer diameter measurement training includes a base 1, a vertical axis 2 is fixed on the base 1, a horizontal axis 3 is fixed on the end of the vertical axis 2 away from the base 1, and replaceable fixed joints 4 and movable joints 5 are respectively connected at both ends of the horizontal axis 3, and the movable joint 5 is connected to the horizontal axis 3 through a distance adjustment device 7, and the ends of the fixed joint 4 and the movable joint 5 away from the horizontal axis 3 are both matched arc surfaces 6.

[0024] The fixed joint 4 is connected to the horizontal axis 3 by threads, and the movable joint 5 is connected to the distance adjusting device 7 by threads. The movable joint 5 and the fixed joint 4 have different arc surface 6 styles and outer diameter models. The movable joint 5 and the fixed joint 4 with appropriate arc surface 6 styles and outer diameter models can be selected according to actual conditions. For example, when simulating the measurement of the outer diameter of a sphere, an arc-shaped arc surface 6 and an appropriate outer diameter model can be selected, and when simulating the measurement of the outer diameter of a cylinder, a cylindrical arc surface 6 and an appropriate outer diameter model can be selected.

[0025] The base 1, the vertical axis 2 and the horizontal axis 3 are connected by welding, and the vertical axis 2 and the horizontal axis 3 form a T-shape to obtain better stability, ensuring that the simulation device will not shake or tip over during use, while being convenient for measurement trainees to learn and use.

[0026] The distance adjusting device 7 includes a distance adjusting shaft 701 and a differential sleeve 702. The differential sleeve 702 is provided with a scale 10 in one circle. The differential sleeve 702 is rotatably connected with one end of the horizontal axis 3. The differential sleeve 702 is sleeved on the distance adjusting shaft 701. The distance adjusting shaft 701 includes a distance indicating shaft 7011, a threaded shaft 7012 and a fixed shaft 7013. The distance indicating shaft 7011 is connected to the fixed shaft 7013 through the threaded shaft 7012. The threaded shaft 7012 is threadedly connected to the differential sleeve 702. The distance indicating shaft 7011 is arranged at one end away from the horizontal axis 3. The distance indicating shaft 7011 is provided with a scale 10. The fixed shaft 7013 is arranged in a recessed accommodating chamber at one end of the horizontal axis 3. The fixed shaft 7013 is provided with a locking device 8 and a limiting device 9. When adjusting the distance, the differential sleeve 702 is rotated, and the differential sleeve 702 rotates relative to the horizontal axis 3. Since the threaded shaft 7012 and the differential sleeve 702 form a threaded connection, the distance adjustment shaft 701 moves relatively. The lateral displacement of the distance adjustment device 7 can be known through the scale 10 on the differential sleeve 702 and the distance indicating shaft 7011.

[0027] The base 1, vertical axis 2 or horizontal axis 3 is engraved with the value of the base length. The base length is the straight-line distance between the farthest point of the arc surface 6 of the movable joint 5 relative to the arc surface 6 of the fixed joint 4 when the displacement of the distance adjusting device 7 is zero. The simulated outer diameter length can be obtained by adding the lateral displacement of the distance adjusting device 7 to the base length.

[0028] The pitch of the thread on the threaded shaft 7012 is 0.5mm, and the scale 10 on the differential sleeve 702 divides one circle of the differential sleeve 702 into 50 grids. The scale 10 on the distance-indicating shaft 7011 displays the distance moved by the distance-adjusting shaft 701. When the differential sleeve 702 rotates one circle, the distance-adjusting shaft 701 moves 0.5mm, and one circle of the differential sleeve 702 is divided into 50 grids. The accuracy is 0.01, which can meet the accuracy required for simulating precision molded components. By changing the number of grids divided on the differential sleeve 702, other accuracies can be obtained. By comparing the measured indication with the simulated outer diameter length reading, measurement trainees can judge their own measurement accuracy and make corresponding adjustments and improvements in the next measurement to achieve the purpose of training.

[0029] The locking device 8 includes a locking screw 801, which forms a threaded connection with the side of the fixed shaft 7013. The locking screw 801 passes through the slide groove 802 on the side of the accommodating chamber of the horizontal axis 3. The locking screw 801 is rotated to tightly fix the fixed shaft 7013 to the horizontal axis 3. After selecting a suitable simulated outer diameter length, the fixed shaft 7013 is tightly fixed to the horizontal axis 3 by tightening the locking screw 801 to prevent the differential sleeve 702 from being touched during multiple training sessions, causing the simulated outer diameter length to change accidentally, thereby affecting the training effect.

[0030] The limiting device 9 includes a limiting protrusion 901 and a limiting groove 902. The limiting protrusion 901 is arranged on the side of the fixed axis 7013, and the limiting groove 902 is arranged on the side of the accommodating chamber of the horizontal axis 3. The limiting protrusion 901 and the limiting groove 902 form a sliding connection. The limiting protrusion 901 cooperates with the sliding groove 802 on the horizontal axis 3 to prevent the radial direction of the adjustable axis 701 relative to the horizontal axis 3 from changing.

[0031] The specific implementation process is as follows:

[0032] During the simulation training, select the appropriate type of movable joint 5 and fixed joint 4 and connect them to the horizontal axis 3 or the distance adjusting device 7 through threads, then rotate the differential sleeve 702 of the distance adjusting device 7 to select the appropriate simulated outer diameter length, tighten the locking screw 801 to fix the distance adjusting shaft 701, and finally select the appropriate measuring tool to measure, and compare the reading with the simulated outer diameter length to judge the measurement accuracy, and make corresponding adjustments and improvements in the next measurement to achieve the purpose of training.

[0033] The invention has the advantages of simple structure, small volume, low cost, convenience and practicality, and can be widely used in vocational schools, training institutions and other places for practical teaching and training of tools such as micrometers and vernier calipers.

[0034] The above is only an embodiment of the present invention, and the common knowledge such as the known specific technical solutions and / or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A simulation device for outer diameter measurement training, characterized in that: The invention comprises a base (1), a vertical axis (2) being fixed on the base (1), a horizontal axis (3) being fixed at one end of the vertical axis (2) away from the base (1), two ends of the horizontal axis (3) being respectively connected with a replaceable fixed joint (4) and a movable joint (5), the movable joint (5) being connected to the horizontal axis (3) via a distance adjustment device (7), and the ends of the fixed joint (4) and the movable joint (5) away from the horizontal axis (3) both being matching arc surfaces (6).

2. A simulation device for outer diameter measurement training according to claim 1, characterized in that: The distance adjusting device (7) comprises a distance adjusting shaft (701) and a differential sleeve (702), wherein the differential sleeve (702) is provided with a scale (10) on one circle, wherein the differential sleeve (702) is rotatably connected to one end of the horizontal shaft (3), wherein the differential sleeve (702) is sleeved on the distance adjusting shaft (701), wherein the distance adjusting shaft (701) comprises a distance indicating shaft (7011), a threaded shaft (7012) and a fixed shaft (7013), wherein the distance indicating shaft (7011) is connected to the horizontal shaft (3). The fixed shaft (7013) is connected via a threaded shaft (7012), the threaded shaft (7012) and the differential sleeve (702) are threadedly connected, the distance indicating shaft (7011) is arranged at an end away from the horizontal axis (3), the distance indicating shaft (7011) is provided with a scale (10), the fixed shaft (7013) is arranged in a recessed accommodating chamber at one end of the horizontal axis (3), and the fixed shaft (7013) is provided with a locking device (8) and a limiting device (9).

3. A simulation device for outer diameter measurement training according to claim 2, characterized in that: The pitch of the thread on the threaded shaft (7012) is 0.5 mm, the scale (10) on the differential sleeve (702) divides one circle of the differential sleeve (702) into 50 grids, and the scale (10) on the distance-indicating shaft (7011) displays the distance moved by the distance-adjusting shaft (701).

4. A simulation device for outer diameter measurement training according to claim 2, characterized in that: The locking device (8) comprises a locking screw (801), wherein the locking screw (801) is threadedly connected to the side of the fixed shaft (7013), and the locking screw (801) passes through a slide groove (802) on the side of the accommodating chamber of the transverse shaft (3). The locking screw (801) is rotated to tightly fix the fixed shaft (7013) and the transverse shaft (3).

5. The simulation device for outer diameter measurement training according to claim 2, characterized in that: The limiting device (9) comprises a limiting protrusion (901) and a limiting groove (902), wherein the limiting protrusion (901) is arranged on the side of the fixed shaft (7013), and the limiting groove (902) is arranged on the side of the accommodating chamber of the horizontal shaft (3), and the limiting protrusion (901) and the limiting groove (902) form a sliding connection.

6. A simulation device for outer diameter measurement training according to claim 1, characterized in that: The movable joint (5) and the fixed joint (4) are connected to the horizontal shaft (3) and the distance adjustment device (7) via threads.

7. The simulation device for outer diameter measurement training according to claim 1, characterized in that: The base (1), the vertical axis (2) and the horizontal axis (3) are connected by welding.

8. A simulation device for outer diameter measurement training according to any one of claims 1 to 7, characterized in that: The base (1), the vertical axis (2) or the horizontal axis (3) is engraved with a base length value, and the base length is the straight-line distance between the farthest point of the arc surface (6) of the movable joint (5) relative to the arc surface (6) of the fixed joint (4) when the displacement of the distance adjustment device (7) is zero.

9. A simulation device for outer diameter measurement training according to claim 8, characterized in that: The movable joint (5) and the fixed joint (4) have models with different cambered surface (6) styles and outer diameters.

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