CN220853419U - Online inner hole diameter detection device of spinning piston - Google Patents
Online inner hole diameter detection device of spinning piston Download PDFInfo
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- CN220853419U CN220853419U CN202322583569.2U CN202322583569U CN220853419U CN 220853419 U CN220853419 U CN 220853419U CN 202322583569 U CN202322583569 U CN 202322583569U CN 220853419 U CN220853419 U CN 220853419U
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- ring
- spinning piston
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- 238000009987 spinning Methods 0.000 title claims abstract description 25
- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides an online inner hole diameter detection device of a spinning piston, which belongs to the technical field of inner hole diameter detection and mainly comprises a base which is used for being mounted in a rotating fit manner when the spinning piston is vertically arranged, and a pin hole is exposed out of the top end of the base after the spinning piston is mounted; the measuring component comprises a measuring body, a plurality of measuring rods extending out of the side face of the measuring body are arranged in the measuring body in a sliding fit manner, and all the measuring rods are in an annular array and can synchronously move along respective axial directions; a plurality of scale marks representing corresponding sizes are arranged on the measuring rod along the length direction of the measuring rod. The utility model can conveniently and accurately measure the diameter of the inner hole of the spinning piston, and has smaller dependence on manual experience.
Description
Technical Field
The utility model relates to the technical field of piston machining, in particular to a diameter detection device for an inner hole of a piston.
Background
When the piston is manufactured, the size of an inner hole of the piston is required to be detected, a common pin hole is one of detection objects, and the size precision of the cylindrical hole is directly related to the mounting reliability of the piston assembly. In practice, for this inner bore detection, most pistons, including spinning pistons, are usually the same as the existing bore detection, i.e. a micrometer capable of measuring the inner diameter is adopted, which is the most widely used detection tool, and is almost universal for all bore size detection, namely, the outer sides of two jaws of a vernier caliper are in contact with the inner wall of the bore to be detected, so that the diameter of the bore to be detected is determined, and in order to obtain the size as accurate as possible, the positions of the jaws are often required to be rotated for obtaining the maximum measurement size, and the maximum measurement size is almost the diameter of the bore to be detected. The detection mode is relatively inconvenient to operate, the principle is easy to master, but the measurement accuracy is very much dependent on working experience of a master, and the accuracy difference measured by different people can be very large.
Disclosure of utility model
The utility model aims to provide an online inner hole diameter detection device for a spinning piston, which solves the technical problems that the operation is inconvenient and the operation depends on the experience of detection personnel to a great extent when the diameter of a pin hole is measured.
In order to achieve the purpose, the utility model adopts an online inner hole diameter detection device of the spinning piston, which is provided with a base which is used for being mounted in a rotating fit manner when the spinning piston is vertically arranged, and a pin hole is exposed out of the top end of the base after the spinning piston is mounted;
The measuring component comprises a measuring body, a plurality of measuring rods extending out of the side face of the measuring body are arranged in the measuring body in a sliding fit manner, and all the measuring rods are in an annular array and can synchronously move along respective axial directions; the measuring rod is provided with a plurality of scale marks representing corresponding sizes along the length direction.
The measuring component further comprises a center rod, the center rod axially penetrates through the measuring body and is fixed with the measuring body, one end of a transmission rod is hinged to the part of each measuring rod, the other end of each transmission rod extends into a sliding groove on the center rod, the sliding grooves extend along the length direction of the center rod, a pushing rod is horizontally and slidably installed in each sliding groove, one end of each pushing rod is hinged to the other end of each transmission rod, and the pushing rods axially move through driving of a driving component.
The driving component comprises a sliding ring which is sleeved on the polish rod section of the central rod in an axially sliding fit manner, one end of the sliding ring is fixedly connected with the pushing rod, and the other end of the sliding ring is axially driven by a thread sleeve.
Specifically, the thread bush comprises a thread ring, connecting rods and a compression ring, wherein the thread ring is arranged on a thread section of the central rod in a threaded fit manner, the compression ring is fixed on the end face of the thread ring through a plurality of connecting rods in a ring-shaped array, and the compression ring is used for extruding the sliding ring.
Specifically, one end of the measuring rod inserted into the measuring body is connected with the inner wall of the measuring body through a tension spring, and the tension spring is always in a stretching state. The free end of the measuring rod is fixed with steel balls or arc-shaped battens, and in addition, the number of the measuring rods is preferably three.
The more preferable structure design is that the central rod is fixed on a slide block through a supporting rod, the slide block is rectangular, the slide block is horizontally and slidingly arranged in a cantilever, and the cantilever is fixed on the outer wall of the base; a rotatable screw rod is horizontally arranged in the cantilever, the screw rod penetrates through the sliding block in a threaded fit manner, and one end of the screw rod is in transmission connection with a main shaft of a micro motor fixed at the free end of the cantilever.
The beneficial effects are that: according to the utility model, the diameter size of the pin hole can be known according to the scale mark on the measuring rod through automatic centering of the measuring rod, or whether the diameter is qualified is evaluated, so that the method is simple and effective, easy to operate and less in dependence on manual experience.
Drawings
The drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and, together with the description, serve to explain the principles of the utility model.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of FIG. 1 at I;
FIG. 3 is an enlarged view at II in FIG. 2;
FIG. 4 is a schematic view of a partial construction of a measuring rod;
Fig. 5 is a sliding installation structure of the support bar.
The reference numerals of the components indicate that a base 1, a spinning piston 2, a pin hole 201, a cantilever 3, a supporting rod 4, a center rod 5, a thread section 501, a measuring rod 6, a scale line 601, a measuring body 7, a transmission rod 8, a sliding ring 9, a compression ring 10, a connecting rod 11, a thread ring 12, a pushing rod 13, a tension spring 14, a micro motor 15, a sliding block 16 and a screw rod 17.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the device for detecting the diameter of an inner hole of a spinning piston comprises a base 1, wherein the base 1 is rotatably installed when the spinning piston 2 is vertically arranged, and when the spinning piston 2 is installed, a pin hole 201 is exposed out of the top end of the base 1, so that a measuring part is inserted for detection.
In particular, as shown in fig. 2-3, the measuring component comprises a measuring body 7, the measuring body 7 can be cylindrical, a plurality of measuring rods 6 are slidably arranged in the measuring body 7 and can axially extend out of the side surface of the measuring body 7, the surfaces of the measuring rods 6 are smooth, all the measuring rods 6 are in an annular array, and can synchronously move along respective axial directions, namely, the initial lengths of all the side rods extending out of the measuring body 7 are consistent, and the sliding speeds are also completely consistent when the side bodies continue to slide out. For intuitively representing the size, a plurality of graduation marks 601 representing the corresponding size are arranged on the measuring rod 6 along the length direction thereof. In more detail, with continued reference to fig. 1-3, the measuring component further comprises a central rod 5, which central rod 5 extends axially through the measuring body 7 and is fixed to the measuring body 7, in particular, integrally formed. In addition, in the part of each measuring rod 6 located at the measuring body 7, one end of a transmission rod 8 is hinged, the other end of the transmission rod 8 can extend into a sliding groove on the center rod 5, the sliding groove extends along the length direction of the center rod 5, correspondingly, all sliding grooves are also arranged in an annular array around the center rod 5, a pushing rod 13 is horizontally and slidably arranged in each sliding groove, one end of the pushing rod 13 is hinged with the other end of the transmission rod 8, the pushing rod 13 is driven by a driving part to axially move, when the driving part axially moves, all pushing rods 13 can be pushed to synchronously move forward, then all the transmission rods 8 push the respective measuring rods 6 to synchronously extend out of the measuring body 7, in the extending process, even if the mounting position of the center rod 5 deviates from the pin hole 201, the center rod 5 always keeps horizontal, when all the measuring rods 6 extend synchronously, the center rod 6 naturally has an automatic function, finally, the pin hole 201 and the center rod 5 are coaxially arranged, the measuring rod 601 displays the scale line, and the scale line 601 of the measuring rod can be directly arranged at the same size as the size of the measuring body or the two scale line can be directly arranged at the position of the boundary measuring body or the two sides of the measuring body can be directly determined as the size of the boundary measuring body or the two measuring body is directly or the size of the measuring body is directly determined as the size line is directly beyond the boundary line or the measuring body is directly determined as the measuring body.
In order to better realize synchronous transmission, in this embodiment, the driving component includes a sliding ring 9, the sliding ring 9 is sleeved on the polish rod section of the central rod 5 in an axially sliding fit manner, one end of the sliding ring 9 is fixedly connected with a pushing rod 13, the other end of the sliding ring is axially driven by a threaded sleeve, the threaded sleeve specifically includes a threaded ring 12, a connecting rod 11 and a pressing ring 10, as shown in fig. 2-3, the threaded ring 12 is mounted on the threaded section 501 of the central rod 5 in a threaded fit manner, the pressing ring 10 is reliably fixed on the end face of the threaded ring 12 through a plurality of connecting rods 11 in a ring array, and the pressing ring 10 is used for pressing the sliding ring 9 to push the sliding ring 9 to move, so that the transmission rod 8 moves, and finally the measuring rod 6 is driven to move. Specifically, as shown in the structure of fig. 3, the measuring rod 6 is inserted into one end of the measuring body 7, and can be connected with the inner wall of the measuring body 7 through the tension spring 14, and the tension spring 14 is always in a stretched state, so that the measuring rod 6 cannot shake easily, and when the sliding ring 9 is retracted, the measuring rod 6 is pulled to be retracted and reset. In order to better improve the centering effect, in this embodiment, as shown in fig. 2 or fig. 4, the free ends of all the measuring rods 6 are fixed with steel balls, or arc-shaped tiles are fixed, and the tiles can be seamlessly attached to the inner wall of the pin hole 201, and in addition, the number of the measuring rods 6 is preferably three, so as to better center and measure.
As one of the preferred design structures, as shown in fig. 1 and 5, in which the center rod 5 is fixed to a slider 16 through a support rod 4, the slider 16 has a rectangular shape, the slider 16 is horizontally slidably mounted in a cantilever 3, and the cantilever 3 is fixed to the outer wall of the base 1. At the same time, a rotatable screw rod 17 is horizontally mounted in the cantilever 3, the screw rod 17 is threaded through the slider 16, one end of the screw rod 17 is in transmission connection with a spindle of a micro motor 15 fixed at the free end of the cantilever 3, the micro motor 15 rotates with sliding axial movement, so that the support rod 4 moves horizontally, and consequently the central rod 5 also moves horizontally, so that after the measuring rod 6 enters the pin hole 201, the measuring rod moves further to the most suitable position and then moves axially, and is in reliable contact with the inner wall of the pin hole 201, for example, preferably moves to the most suitable half of the depth direction of the pin hole 201.
The measuring rod 6 and the accessory components thereof in the embodiment can be provided with a plurality of groups, and the groups can be axially arranged along the central rod 5 to better balance and measure the diameters of the pin holes 201.
The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present utility model.
Claims (8)
1. The utility model provides a spinning piston on-line hole diameter detection device which characterized in that: when the spinning piston (2) is vertically placed, the base (1) is rotatably matched and installed, and after the spinning piston (2) is installed, the pin hole (201) is exposed out of the top end of the base (1);
The measuring device also comprises a measuring part, wherein the measuring part comprises a measuring body (7), a plurality of measuring rods (6) extending out of the side surface of the measuring body (7) are arranged in the measuring body (7) in a sliding fit manner, and all the measuring rods (6) are in an annular array and can synchronously move along the respective axial directions; a plurality of scale marks (601) representing corresponding sizes are arranged on the measuring rod (6) along the length direction of the measuring rod.
2. The on-line bore diameter sensing device of a spinning piston of claim 1, wherein: the measuring component further comprises a center rod (5), the center rod (5) axially penetrates through the measuring body (7) and is fixed with the measuring body, one end of a transmission rod (8) is hinged to the part of each measuring body (7), the other end of the transmission rod (8) extends into a sliding groove on the center rod (5), the sliding groove extends along the length direction of the center rod (5), a pushing rod (13) is horizontally and slidably installed in each sliding groove, one end of the pushing rod (13) is hinged to the other end of the transmission rod (8), and the pushing rod (13) axially moves through the driving of a driving component.
3. The on-line bore diameter sensing device of a spinning piston of claim 2, wherein: the driving part comprises a sliding ring (9), the sliding ring (9) is sleeved on the polish rod section of the central rod (5) in an axial sliding fit manner, one end of the sliding ring (9) is fixedly connected with the pushing rod (13), and the other end of the sliding ring is axially driven by a threaded sleeve.
4. The on-line bore diameter sensing device of a spinning piston of claim 3, wherein: the thread bushing comprises a thread ring (12), connecting rods (11) and a compression ring (10), wherein the thread ring (12) is installed on a thread section (501) of the central rod (5) in a threaded fit manner, the compression ring (10) is fixed on the end face of the thread ring (12) through a plurality of connecting rods (11) which are in an annular array, and the compression ring (10) is used for extruding the sliding ring (9).
5. The on-line bore diameter sensing device of a spinning piston of claim 2, wherein: one end of the measuring rod (6) inserted into the measuring body (7) is connected with the inner wall of the measuring body (7) through a tension spring (14), and the tension spring (14) is always in a stretching state.
6. The on-line bore diameter sensing device of a spinning piston of claim 1, wherein: the free end of the measuring rod (6) is fixed with a steel ball or an arc-shaped tile.
7. The on-line bore diameter sensing device of a spinning piston of claim 1, wherein: the number of the measuring rods (6) is three.
8. The on-line bore diameter sensing device of a spinning piston according to any one of claims 2-7, wherein: the center rod (5) is fixed on a sliding block (16) through a supporting rod (4), the sliding block (16) is rectangular, the sliding block (16) is horizontally and slidably arranged in a cantilever (3), and the cantilever (3) is fixed on the outer wall of the base (1); a rotatable screw rod (17) is horizontally arranged in the cantilever (3), the screw rod (17) penetrates through the sliding block (16) in a threaded fit manner, and one end of the screw rod (17) is in transmission connection with a main shaft of a micro motor (15) fixed at the free end of the cantilever (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322583569.2U CN220853419U (en) | 2023-09-22 | 2023-09-22 | Online inner hole diameter detection device of spinning piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322583569.2U CN220853419U (en) | 2023-09-22 | 2023-09-22 | Online inner hole diameter detection device of spinning piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220853419U true CN220853419U (en) | 2024-04-26 |
Family
ID=90774315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322583569.2U Active CN220853419U (en) | 2023-09-22 | 2023-09-22 | Online inner hole diameter detection device of spinning piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220853419U (en) |
-
2023
- 2023-09-22 CN CN202322583569.2U patent/CN220853419U/en active Active
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