Device for detecting depth and parallelism of turbocharger shell

Abstract

The utility model relates to the technical field of turbocharger shell detection, in particular to a depth and parallelism detection device for a turbocharger shell, the outer edge of the turbocharger shell is supported by a positioning ring, the positioning ring is rotatably connected with a positioning seat, and the turbocharger shell rotates along with the positioning ring, so that the depth and parallelism of the turbocharger shell are detected. The interior of the turbocharger shell is matched with the measuring contact, the shape of the interior of the turbocharger shell is detected through the measuring contact, then the shape is displayed through the digital display meter, and the turbocharger shell can be rapidly detected.

Description

TECHNICAL FIELD

[0001] The utility model relates to turbocharger housing detection technical field especially relates to turbocharger housing depth and parallelism detection device. BACKGROUND

[0002] Depth and parallelism detection often meet in mechanical industry, and common detection tools are mostly three coordinates or depth gauges, and height gauges and dial gauges are used to detect parallelism, if the reading is within the threshold, the depth of turbocharger housing is judged to be qualified, and if the difference between the maximum value and the minimum value of the reading is within the threshold, the parallelism of turbocharger housing is judged to be qualified, but the above tools have limitations as general measuring tools, are greatly influenced by product structure, and are especially low in detection quality and efficiency for turbocharger housing, which is a high-precision complex special-shaped part.

[0003] Therefore, a special device is needed to solve the above problems and ensure detection quality and efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the deficiencies in the prior art and provides a turbocharger housing depth and parallelism detection device.

[0005] The utility model is realized through the following technical schemes: a turbocharger housing depth and parallelism detection device, including the base of the gauge, be provided with the locating seat on the base of the gauge, be provided with the locating ring for supporting the outer edge of turbocharger housing on the locating seat, the locating ring is rotatably connected between the locating seat, still be provided with detection assembly on the locating seat, the detection assembly includes the upward measuring contact, the measuring contact is located in the inside of the locating ring, the measuring contact is connected with the digital display gauge through the rotating rod.

[0006] Further, the locating seat is provided with a pressing device matched with the locating ring, the pressing device includes a rotating shaft rotatably connected with the locating seat, an upward extension rod is arranged on the upper end of the rotating shaft, and a pressing plate matched with the turbocharger housing is arranged on the upper end of the extension rod.

[0007] Further, the rotating shaft sequentially penetrates the locating seat and the base of the gauge downwards, the lower end of the rotating shaft is connected with a rotating handle, and the rotating shaft and the locating seat are connected through a spacer.

[0008] Further, the extension rod and the rotating shaft are screw-connected.

[0009] Further, the base of the gauge is further provided with a placing seat, and the placing seat is provided with a calibration piece.

[0010] Further, the base of the gauge is connected with a handle.

[0011] Further, the base of the testing tool is connected with a supporting leg.

[0012] Further, the detection assembly has two groups, and the two groups of detection assemblies are distributed on two sides of the positioning seat.

[0013] The utility model discloses beneficial effect lies in:

[0014] 1, through the positioning ring support turbocharger shell periphery, positioning ring and positioning seat between rotatory connection, turbocharger shell in with positioning ring rotatory process, turbocharger shell interior and measurement contact cooperate, and then through measurement contact detection turbocharger shell interior shape, then through digital display gauge display, can fast detection turbocharger shell to the turbocharger shell;

[0015] 2, set up pressure device, and then make turbocharger shell and positioning ring pressure tightly, improve detection accuracy. DRAWINGS

[0016] Figure 1 It is structural schematic diagram for example 1.

[0017] Figure 2 It is structural schematic diagram for positioning seat.

[0018] Figure 3 It is disassembled schematic diagram for positioning seat.

[0019] Figure 4 It is structural schematic diagram for example 2 stop pin.

[0020] Wherein: 1, testing tool base;2, supporting leg;3, handle;4, positioning seat;5, flat face thrust needle bearing;6, positioning ring;7, tightening screw;8, open press plate;9, digital display gauge;10, calibration piece;11, placing seat;12, turbocharger shell;13, cover plate;14, measurement contact;15, rotating rod;16, table seat;17, spacer;18, rotating shaft;20, stop pin;21, stop groove;22, thrust spring;23, push ring;24, guide sleeve;25, push rod;26, operating rod;27, force bar;28, bearing;29, flat face bearing. DETAILED DESCRIPTION

[0021] In the description of the utility model, need explaining further, unless another explicit provision and limitation, term " setting " " install " " connect " " connection " should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can indirectly connect through intermediate medium, can be two elements inside intercommunication. For ordinary skilled in the art, the above-mentioned term in the utility model can be understood according to specific meaning in specific circumstances.

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0023] Example 1

[0024] like Figures 1-3 As shown, a device for detecting the depth and parallelism of a turbocharger housing includes a fixture base 1, which is made of aluminum alloy plate, is lightweight and has high structural strength. To reduce weight, process holes are machined on the fixture base 1.

[0025] The positioning seat 4 is installed on the gauge base body 1 through bolts, the positioning seat 4 is cylindrical, the positioning seat 4 is surrounded by a stainless steel plate, thereby avoiding interference in the rotating process of the turbocharger shell 12, a convex platform is coaxially installed on the upper end of the positioning seat 4, a positioning ring 6 for supporting the outer edge of the turbocharger shell 12 is installed on the positioning seat 4, the positioning ring 6 is sleeved outside the convex platform, the positioning ring 6 and the positioning seat 4 are rotationally connected through a flat thrust needle bearing 5, a cover plate 13 is also installed on the convex platform through bolts, the cover plate 13 is located on the upper end of the positioning ring 6, thereby limiting the positioning ring 6, the cover plate 13 blocks the gap between the positioning ring 6 and the convex platform, thereby reducing the entry of dust into the gap between the positioning ring 6 and the convex platform, the positioning ring 6 is gap-fitted with the side wall of the convex platform and is lubricated by grease, a pressing device that cooperates with the positioning ring 6 is installed on the positioning seat 4, the pressing device includes a rotating shaft 18 that is rotationally connected with the positioning seat 4, specifically, the rotating shaft 18 passes through the positioning seat 4 and the gauge base body 1 downward in sequence, the rotating shaft 18 and the positioning seat 4 are connected through a spacer 17, the spacer 17 is coaxially connected with the positioning seat 4, which can be integrally formed, can be nested and fixed, or can be rotationally connected through a bearing, the rotating shaft 18 and the spacer 17 are connected through a bearing 28, the spacer 17 is provided with the bearing 28 at the upper end and the lower end, thereby ensuring the free rotation of the rotating shaft 18, the bearing 28 is transitionally and fixedly connected between the rotating shaft 18 and the spacer 17, thereby supporting the rotating shaft 18 in a normal state, the lower end of the rotating shaft 18 is connected with a rotating handle, the rotating shaft 18 and the rotating handle are integrally formed, the lower end of the rotating shaft 18 is matched with the gauge base body 1 through a flat bearing 29, thereby ensuring the stability of rotation, an upward extension rod is coaxially connected with the upper end of the rotating shaft 18, the extension rod is threadedly connected with the rotating shaft 18, thereby being capable of adjusting the position between the extension rod and the rotating shaft 18, a pressing plate that cooperates with the turbocharger shell 12 is installed on the upper end of the extension rod, in this embodiment, the pressing plate is an open pressing plate 8, the extension rod is a tightening screw 7, the outer diameter value of the nut of the screw is greater than the opening width value of the open pressing plate 8, thereby being capable of pressing the open pressing plate 8 downward through the nut, the nut of the tightening screw 7 is connected with a force rod 27, thereby facilitating tightening.

[0026] The positioning seat 4 is further provided with a detection assembly, the detection assembly comprises an upward measuring contact 14, the measuring contact 14 is located inside the positioning ring 6, specifically, the measuring contact 14 is in the shape of a rod, and a wear-resistant ball head is fixed to the upper end of the measuring contact 14, thereby reducing the friction between the turbocharger shell 12 and the measuring contact 14, the measuring contact 14 is pushed downward by the bottom of the inner cavity of the turbocharger shell 12 during detection, the measuring contact 14 penetrates the boss and the cover plate 13 upward, and the measuring contact 14 is connected with a digital display gauge 9 through a rotating rod 15, an opening is formed in the side wall of the positioning seat 4, the rotating rod 15 is installed in the opening through a transverse pin shaft, the rotating rod 15 comprises a horizontal rod matched with the measuring contact 14 and a vertical rod matched with the digital display gauge 9, the lower end of the measuring contact 14 abuts against the end of the horizontal rod, and the vertical rod is connected with the pin shaft at the included angle with the horizontal rod, and the digital display gauge 9 is installed on the gauge base body 1 through a gauge seat 16, the detection assembly has two groups, the two groups of detection assemblies are distributed on the two sides of the positioning seat 4, and the two groups of detection assemblies can detect the same circumferential position of the turbocharger shell 12 or different circumferential positions of the turbocharger shell 12, a pressing device is installed, thereby pressing the turbocharger shell 12 and the positioning ring 6, and the detection accuracy is improved.

[0027] The gauge base body 1 is further provided with a placing seat 11 fixed through bolts, and a calibration piece 10 is placed on the placing seat 11, the calibration piece 10 is processed with the same cavity as the turbocharger shell 12, thereby calibrating the detection assembly, the gauge base body is connected with a handle 3, thereby facilitating movement, and the gauge base body 1 is connected with a supporting leg 2.

[0028] The turbocharger shell 12 depth and parallelism detection device provided in the embodiment has the following working principle,

[0029] Calibration, the calibration piece 10 is placed on the positioning ring 6, the calibration piece 10 is rotated for one circle to confirm that the rotation is not hindered, the digital display gauge 9 is reset to zero, and the calibration piece 10 is removed;

[0030] Installation, the turbocharger shell 12 is placed on the positioning ring 6, then the tightening screw 7 is screwed, the opening pressing plate 8 presses the turbocharger shell 12 on the positioning ring 6, and the fixed rotating handle avoids the rotation of the rotating shaft 18 during the process;

[0031] Detection, the turbocharger shell 12 is rotated for one circle, and the reading of the digital display gauge 9 is read during the process, if the reading is within the threshold value, it is judged that the depth of the turbocharger shell 12 is qualified, if the difference between the maximum value and the minimum value of the reading is within the threshold value, it is judged that the parallelism of the turbocharger shell 12 is qualified, and the turbocharger shell 12 can be quickly detected.

[0032] Embodiment 2

[0033] As Figure 4As shown, a turbocharger shell depth and parallelism detection device, different from the embodiment 1, the rotating shaft 18 is connected with a rotation stopping operation device, the rotation stopping operation device comprises a rotation stopping groove 21 processed in the side wall of the handle, the detection tool base body 1 is installed with a rotation stopping pin 20 matched with the rotation stopping groove 21, specifically, the detection tool base body 1 is installed with a guide sleeve 24, the guide sleeve 24 is penetrated by a push rod 25, the guide sleeve 24 and the push rod 25 are in sliding fit, the push rod 25 is extended to the inside of the guide sleeve 24 and connected with a push ring 23, the push ring 23 and the push rod 25 are in threaded connection, the push ring 23 is installed with a push spring 22 between the guide sleeve, the push spring 22 is in compressed state in normal state, thereby exerting a pushing force on the push ring 23, the push rod 25 is connected with the rotation stopping pin 20 at the end, the push rod 25 is extended to the outside of the guide sleeve 24 and connected with an operation lever 26, the guide sleeve 24 is processed with a clamping groove matched with the operation lever 26 at the outer end, in use, the push rod is pulled to move outward through the operation lever 26, the operation lever 26 is supported by the end of the guide sleeve 24 by rotating the operation lever 26, at this time, the rotation stopping pin 20 is separated from the rotation stopping groove 21, the rotating shaft 18 can rotate freely, thereby detecting the depth and parallelism of the turbocharger shell, the operation lever 26 is located in the clamping groove by rotating the operation lever 26, at this time, the rotation stopping pin 20 is inserted into the rotation stopping groove 21, the rotating shaft 18 cannot rotate, thereby removing or installing the turbocharger shell.

[0034] It is worth noting that in this application, the coaxial rotating connection can be connected by rotating support structures such as bearings and shaft sleeves; the plane rotating connection can be supported by plane bearings, or can be used with a gap fit, and the gap is filled with lubricating grease to ensure the stability of relative rotation.

[0035] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included in the protection scope of the present application.

Claims

1. A turbocharger housing depth and parallelism inspection device, characterized by, The utility model provides a kind of turbine supercharger shell outer edge detection device, including gauge base body, the positioning seat is provided on the gauge base body, the positioning ring for supporting turbine supercharger shell outer edge is provided on the positioning seat, the positioning ring is rotatably connected between the positioning seat, detection assembly is further provided on the positioning seat, the detection assembly includes upward measuring contact, the measuring contact is located inside the positioning ring, the measuring contact is connected digital display gauge by rotating rod.

2. The turbocharger housing depth and parallelism inspection apparatus of claim 1, wherein, The positioning seat is provided with the pressing device matched with the positioning ring, the pressing device includes the rotating shaft rotatably connected with the positioning seat, the rotating shaft upper end is provided with the upward extension rod, the extension rod upper end is provided with the pressing plate matched with turbine supercharger shell.

3. The turbocharger housing depth and parallelism inspection apparatus of claim 2, wherein, The rotating shaft sequentially passes through the positioning seat and the gauge base body downwards, the rotating shaft lower end is connected with the handle, and the rotating shaft is connected with the positioning seat through the spacer.

4. The turbocharger housing depth and parallelism inspection apparatus of claim 3, wherein, The extension rod is threadedly connected with the rotating shaft.

5. The turbocharger housing depth and parallelism inspection apparatus of claim 1, wherein, The gauge base body is further provided with the placing seat, and the calibration piece is provided on the placing seat.

6. The turbocharger housing depth and parallelism inspection apparatus of claim 1, wherein, The gauge base body is connected with the handle.

7. The turbocharger housing depth and parallelism inspection apparatus of claim 1, wherein, The gauge base body is connected with the supporting leg.

8. The turbocharger housing depth and parallelism inspection apparatus of claim 1, wherein, The detection assembly has two groups, and the two groups of detection assemblies are distributed on the two sides of the positioning seat.

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