CN216620958U - Piston assembly clearance measuring tool - Google Patents
Piston assembly clearance measuring tool Download PDFInfo
- Publication number
- CN216620958U CN216620958U CN202122958034.XU CN202122958034U CN216620958U CN 216620958 U CN216620958 U CN 216620958U CN 202122958034 U CN202122958034 U CN 202122958034U CN 216620958 U CN216620958 U CN 216620958U
- Authority
- CN
- China
- Prior art keywords
- fixed
- bottom plate
- piston assembly
- lever
- bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model belongs to the technical field of measuring tools, and particularly discloses a piston assembly clearance measuring tool which comprises a bottom plate, a fixed support, a sliding support, a lever, a cushion block and a pressing plate, wherein the bottom plate is provided with a first hole and a second hole; the fixed bracket and the cushion block are fixed on the bottom plate, the sliding bracket is arranged on the fixed bracket, and the height of the sliding bracket on the fixed bracket is adjusted through an M6 locking screw; the center of the lever is fixed on the sliding support through a pin and can flexibly swing up and down; the sliding support is provided with a chuck, the dial indicator sleeve is fixed on the chuck through an M5 locking screw, the measuring head is screwed into the dial indicator measuring rod through a thread, and the dial indicator blocking cap is fixed on the lever; the pressing plate is fixed on the bottom plate. The utility model has the advantages of convenient and quick part clamping and capability of ensuring the accuracy of the measurement of the play clearance of the piston assembly of the hydraulic plunger pump.
Description
Technical Field
The utility model belongs to the technical field of measuring tools, and particularly relates to a piston assembly clearance measuring tool.
Background
The size of the play clearance of the piston assembly of the hydraulic plunger pump has great influence on the performance and the service life of a product, and the accuracy of the clearance measurement of the piston assembly cannot be ensured by a common measurement method, so that a clearance measurement tool needs to be designed, the measurement precision is improved, and the performance and the service life of the product are ensured.
SUMMERY OF THE UTILITY MODEL
The utility model provides a piston assembly measuring tool which ensures the accuracy of measuring the moving clearance of a piston assembly of a hydraulic plunger pump.
The technical scheme of the utility model is as follows: a clearance measuring tool for a piston assembly comprises a bottom plate, a fixed support, a sliding support, a lever, a cushion block and a pressing plate; the fixed bracket and the cushion block are fixed on the bottom plate, the sliding bracket is arranged on the fixed bracket, and the height of the sliding bracket on the fixed bracket is adjusted through an M6 locking screw; the center of the lever is fixed on the sliding support through a pin and can flexibly swing up and down; the sliding support is provided with a chuck, the dial indicator sleeve is fixed on the chuck through an M5 locking screw, the measuring head is screwed into the dial indicator measuring rod through a thread, and the dial indicator blocking cap is fixed on the lever; the pressing plate is fixed on the bottom plate.
Preferably, a cushion block is arranged below the fixing support and is fixed on the bottom plate through a pin and a hexagon screw.
Preferably, the pressure plate is provided with a strip-shaped through hole, one end of an M8 screw penetrates through the through hole and is screwed into the base, and the other end of the M8 screw is fixed by a nut.
The utility model has the beneficial effects that: the height of the sliding support is adjusted according to the length of the piston, the large end of the piston is ensured to be in contact with the bottom plate, the small end of the piston can be installed in the measuring head, the piston is fixed in the measuring head through an M4 locking screw, the large end of the piston is pressed through a pressing plate and fixed through a nut on the pressing plate, one end of a lever is pressed through a hand, and the play clearance of the piston assembly is read through a dial indicator. The measuring tool is convenient and quick to clamp parts, and can ensure the accuracy of measuring gaps.
The measuring tool can also modify the size of a measuring head at the position of clamping the piston assembly according to the diameter of the piston end, and measure the play clearance of various piston assemblies.
Drawings
Fig. 1 is an assembly view of a piston assembly clearance measuring tool of the present invention.
Fig. 2 is a schematic plan view of fig. 1.
Fig. 3 is a schematic cross-sectional view of the gauge head.
The reference numerals in the figures are respectively: 1-bottom plate, 2-pin, 3-hexagonal screw, 4-fixed support, 5-M6 locking screw, 6-sliding support, 7-pin, 8-lever, 9-M5 locking screw, 10-measuring head, 11-M4 locking screw, 12-nut, 13-M8 screw, 14-pressing plate, 15, cushion block and 16-dial indicator.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Examples
As shown in fig. 1, a piston assembly gap measuring tool comprises a bottom plate 1, a fixed bracket 4, a sliding bracket 6, a lever 8, a cushion block 15 and a pressure plate 14; the fixed bracket 4 and the cushion block 15 are fixed on the bottom plate 1, the sliding bracket 6 is arranged on the fixed bracket, and the height of the sliding bracket 6 on the fixed bracket 4 is adjusted through the M6 locking screw 5; the center of the lever 8 is fixed on the sliding support through a pin 7 and can flexibly swing up and down; the sliding support 6 is provided with a chuck, the dial indicator sleeve is fixed on the chuck through an M5 locking screw 9, the measuring head 10 is screwed into the measuring rod of the dial indicator through threads, and the dial indicator blocking cap is fixed on the lever 8; the pressure plate 14 is fixed on the bottom plate 1.
And a cushion block 15 is arranged below the fixed support 4 and is fixed on the bottom plate 1 through a pin 2 and a hexagon screw 3.
The dial indicator is a commercially available product and comprises a stop cap, a dial plate, a sleeve and a measuring rod.
The pressure plate 14 is provided with a strip-shaped through hole, one end of an M8 screw 13 penetrates through the through hole and is screwed into the base 1, and the other end of the M8 screw is fixed by a nut 12.
When the piston assembly is measured, the height of the sliding support 6 is adjusted according to the length of the piston, the large end of the piston is ensured to be in contact with the base 1, the small end of the piston can be installed in the measuring head 10, the piston is fixed in the measuring head 10 through the M4 locking screw 11, the large end of the piston is pressed by the pressing plate 14 and fixed by the nut 12 on the pressing plate 14, one end of the lever 8 is pressed by a hand, and the play clearance of the piston assembly is read through the dial indicator. The measuring tool is convenient and quick to clamp parts, and can ensure the accuracy of measuring gaps.
The measuring tool can also be used for measuring the play clearance of various piston assemblies by modifying the size of the measuring head 10 according to the diameter of the piston.
Claims (3)
1. A piston assembly clearance measuring tool, its characterized in that: comprises a bottom plate (1), a fixed bracket (4), a sliding bracket (6), a lever (8), a cushion block (15) and a pressure plate (14); the fixed support and the cushion block are fixed on the bottom plate, the sliding support is arranged on the fixed support, and the height of the sliding support on the fixed support is adjusted through an M6 locking screw (5); the center of the lever is fixed on the sliding support through a pin (7) and can flexibly swing up and down; the sliding support is provided with a chuck, the dial indicator sleeve is fixed on the chuck through an M5 locking screw (9), the measuring head (10) is screwed into the dial indicator measuring rod through threads, and the dial indicator stop cap is fixed on the lever; the pressing plate is fixed on the bottom plate.
2. The piston assembly clearance measurement tool of claim 1, wherein: and a cushion block is arranged below the fixed support and is fixed on the bottom plate through a pin (2) and a hexagon screw (3).
3. The piston assembly clearance measurement tool of claim 1, wherein: the pressing plate is provided with a strip-shaped through hole, one end of an M8 screw (13) penetrates through the through hole and is screwed into the base, and the other end of the M8 screw is fixed by a nut (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122958034.XU CN216620958U (en) | 2021-11-29 | 2021-11-29 | Piston assembly clearance measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122958034.XU CN216620958U (en) | 2021-11-29 | 2021-11-29 | Piston assembly clearance measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216620958U true CN216620958U (en) | 2022-05-27 |
Family
ID=81699262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122958034.XU Active CN216620958U (en) | 2021-11-29 | 2021-11-29 | Piston assembly clearance measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216620958U (en) |
-
2021
- 2021-11-29 CN CN202122958034.XU patent/CN216620958U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108267055B (en) | Comprehensive testing fixture for fork shaft | |
| CN216620958U (en) | Piston assembly clearance measuring tool | |
| CN115615276B (en) | Caliper with adjustable width and dimension and measuring method | |
| CN105371722A (en) | Checking tool capable of measuring 0.7-dimension end surface teeth | |
| CN201255625Y (en) | Chamfer angle diameter measurement instrument | |
| CN115682882A (en) | Bearing clearance measuring device and method | |
| CN207019598U (en) | Caliper jump-ring slot height detecting device | |
| CN212931273U (en) | Boring bar boring detection gauge | |
| CN202938749U (en) | Gauge for measuring lift of coupling part of common-rail oil injector | |
| CN216694765U (en) | Detector for measuring axial clearance of auxiliary shaft of ball screw | |
| CN212674623U (en) | Load loading device for steel constant-load delayed fracture test | |
| CN213646531U (en) | Stroke coining tool for assembling pressure reducing valve assembly | |
| CN209857797U (en) | Clamping device for detecting runout tolerance of wheel disc brake surface | |
| CN213335846U (en) | High-precision measuring device for measuring runout of bolt thread pitch diameter to polished rod | |
| CN201561717U (en) | Special testing equipment for axial relative size of step shaft | |
| CN109596034B (en) | Depth gauge for ball pin | |
| CN203744884U (en) | Part height dimension measurement mechanism | |
| CN113983887A (en) | Camshaft centre bore size detects anchor clamps | |
| CN218823124U (en) | Brake block compression ratio test tool convenient to replace pressure head | |
| CN219810383U (en) | Measuring device for step depth of air valve hole of cylinder cover | |
| CN201555544U (en) | Bore diameter gage | |
| CN220583296U (en) | Dial gauge measuring mechanism for crankshaft end face | |
| CN202836547U (en) | Positioning device of a bearing measurement instrument | |
| CN213875306U (en) | Buffer device for indenter of hardness tester | |
| CN213301065U (en) | Special detection tool for depth of center hole |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |