CN210090004U - Inspection frock of high-pressure oil pump and shaft coupling flange taper fit reliability - Google Patents
Inspection frock of high-pressure oil pump and shaft coupling flange taper fit reliability Download PDFInfo
- Publication number
- CN210090004U CN210090004U CN201921077001.0U CN201921077001U CN210090004U CN 210090004 U CN210090004 U CN 210090004U CN 201921077001 U CN201921077001 U CN 201921077001U CN 210090004 U CN210090004 U CN 210090004U
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- CN
- China
- Prior art keywords
- oil pump
- pressure oil
- coupling flange
- screw
- puller
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- 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.)
- Expired - Fee Related
Links
- 238000010168 coupling process Methods 0.000 title claims abstract description 46
- 230000008878 coupling Effects 0.000 title claims abstract description 45
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 45
- 238000007689 inspection Methods 0.000 title claims abstract description 18
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000010422 painting Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model belongs to the technical field of the diesel engine, a inspection frock of high-pressure oil pump and shaft coupling flange taper fit reliability is proposed. The high-pressure oil pump is provided with a square block for fixing on a workbench; a middle connecting rod on one end wall surface of the square block; the connecting rod is provided with a truncated cone body connected with the square block and a screw I connected with the truncated cone body; the screw I penetrates through a center hole of the coupling flange and is pressed tightly by a compression nut; the end face of the screw I is provided with a conical hole; the inspection tool is provided with a pull code; the puller is fixed on the coupling flange; the pulling code and the high-pressure oil pump are respectively arranged on two sides of the coupling flange; the puller is a circular sleeve with an opening at one end; the closed end of the pull code is provided with a jackscrew hole in the center. The utility model discloses whether can inspect high-pressure oil pump and shaft coupling flange tapering fast is qualified to and whether the interference magnitude is satisfied the requirement in the taper joint.
Description
Technical Field
The utility model belongs to the technical field of the diesel engine, concretely relates to inspection frock of high-pressure oil pump and shaft coupling flange taper fit reliability.
Background
The high-pressure oil pump and the coupling flange are generally inserted into the coupling conical hole through the high-pressure oil pump cone in the manufacturing process of the large and medium diesel engine at present, and proper axial force is applied to enable the high-pressure oil pump and the coupling to form interference taper fit. The common method for inspecting the taper fit is to perform surface painting inspection on the cone and the conical hole, and the cone surface painting method has the defects of uneven paint, too thick coating and the like in the using process, and has relatively high requirements on inspection workers. The cone painting method mainly comprises the steps of rechecking the conicity of the cone and the conical hole, detecting the interference magnitude of the taper fit with small axial force, and fitting the taper with large axial force to a range beyond painting inspection.
SUMMERY OF THE UTILITY MODEL
In order to ensure high-pressure oil pump and shaft coupling flange taper fit's reliability, the utility model aims at providing a high-pressure oil pump and shaft coupling flange taper fit's inspection frock.
The utility model adopts the following technical scheme for accomplishing the above purpose:
a high-pressure oil pump and inspection frock of the flange taper fit reliability of the coupling, the high-pressure oil pump has square blocks used for fixing on work level; the middle part of one end wall surface of the square block is provided with a connecting rod which is vertical to the square block; the connecting rod is provided with a truncated cone body connected with the square block and a screw I connected to the truncated cone body; the screw I penetrates through a center hole of the coupling flange and is pressed tightly by a compression nut; the end face of the screw I is provided with a conical hole; the inspection tool is provided with a pull code; the puller is fixed on the coupling flange through a connecting bolt; the pull code and the high-pressure oil pump are respectively arranged on two sides of the coupling flange; the puller is a circular sleeve with an opening at one end; the center of the closed end of the puller is provided with a jackscrew hole for a puller bolt to pass through; the puller bolt is provided with an outer hexagonal nut and a screw II connected with the outer hexagonal nut; the center of the end head of the screw II of the puller bolt is provided with a conical bulge matched with the conical hole of the screw I; the puller bolt penetrates through the puller and the coupling flange to be connected with the high-pressure oil pump into a whole.
The coupling flange is provided with a flange plate; the center of one side wall surface of the flange plate is provided with a conical sleeve matched with the conical table body on the high-pressure oil pump; the coupling flange is connected with the taper of the conical frustum body on the high-pressure oil pump into a whole through the conical sleeve.
The utility model provides a high-pressure oil pump and inspection frock of shaft coupling flange taper fit reliability adopts above-mentioned technical scheme, not only can inspect whether qualified with the taper hole degree tapering, can inspect whether the shrink fit magnitude of interference satisfies the requirements simultaneously, can inspect the great taper fit of axial force simultaneously, and the method is simple, and the degree of accuracy is high, and coverage is wide, has avoided scribbling the shortcoming that look inspection coverage is little.
The method for rapidly detecting the taper fit reliability has low requirement on operators, the detection tool is simple and light in structure and convenient to operate, and can be used for rapidly detecting whether the tapers of the high-pressure oil pump and the coupling flange are qualified or not and whether the interference magnitude of taper connection meets the requirement or not.
Drawings
Fig. 1 is a schematic structural diagram of a high-pressure oil pump and a coupling taper fit.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural diagram of the middle pull code of the present invention.
Fig. 4 is a schematic structural diagram of the middle pull code bolt of the present invention.
Fig. 5 is a schematic structural diagram of a medium-high pressure oil pump according to the present invention.
Fig. 6 is a schematic structural view of a coupling flange according to the present invention.
In the figure: 1. connecting bolt, 2, puller, 21, puller through hole, 22, wire drawing hole, 3, puller bolt, 31, screw II, 32, conical bulge, 4, high pressure oil pump, 41, conical frustum body, 42, screw I, 43, conical hole, 5, hold-down bolt, 6 and coupling flange,
the specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in figure 1, the high-pressure oil pump and inspection frock of the flange taper fit reliability of the coupling, the high-pressure oil pump 4 has square blocks used for fixing on work level; with reference to fig. 5, the middle of one end wall surface of the square block is provided with a connecting rod perpendicular to the square block; the connecting rod is provided with a truncated cone body 41 connected with the square block and a screw I42 connected with the truncated cone body; the screw I42 penetrates through a central hole of the coupling flange 6 and is pressed by a pressing nut 5; the end face of the screw I42 is provided with a conical hole 43; as shown in fig. 2, the inspection tool has a pull code 2; the puller 2 is fixed on the coupling flange 6 through a connecting bolt 1; the puller 2 and the high-pressure oil pump 4 are respectively arranged at two sides of a coupling flange 5; with reference to fig. 3, the puller 2 is a circular sleeve with an opening at one end; the center of the closed end of the puller 2 is provided with a jackscrew hole 22 for a puller bolt to pass through; with reference to fig. 4, the puller bolt 3 has an outer hexagonal nut and a screw ii 31 connected with the outer hexagonal nut; the center of the end head of the screw II 31 of the puller bolt is provided with a conical bulge 32 matched with the conical hole of the screw I; the puller bolt 3 penetrates through the puller 2 and the coupling flange 6 to be connected with the high-pressure oil pump 4 into a whole.
Referring to fig. 6, the coupling method, 6, has a flange; the center of one side wall surface of the flange plate is provided with a conical sleeve matched with the conical table body on the high-pressure oil pump; the coupling flange is connected with the taper of the conical frustum body on the high-pressure oil pump into a whole through the conical sleeve.
The method for detecting the taper fit reliability of the high-pressure oil pump and the coupling flange by using the detection tool comprises the following steps: fixing the high-pressure oil pump 4 on a workbench, sleeving the coupling flange 6 on the high-pressure oil pump cone 41, pre-tightening the compression nut 5, sleeving a sleeve on the compression nut 5, driving the sleeve to rotate by a torque wrench, tightening the compression nut 5 by a certain tightening torque, then detaching the sleeve, rotating the compression nut 5 by the wrench, and detaching the compression nut 5. As shown in fig. 2, the connecting bolt 1 is screwed into the coupling flange threaded hole 62 through the code through hole 21, the hexagonal heads of the connecting bolt 1 are screwed symmetrically by a wrench, the code bolt 6 is screwed into the code threaded hole 22 until the code bolt conical protrusion 32 abuts against the high-pressure oil pump conical hole 43, then a sleeve is sleeved on the code bolt 6 hexagonal head, a torque value is set for a torque wrench, the sleeve is rotated by the torque wrench, the sleeve drives the code bolt 3 to be screwed into the code threaded hole 22 continuously, axial force far away from the axis of the high-pressure oil pump is provided for the code 2 until the coupling flange and the high-pressure oil pump are pulled off, and the pulling-off phenomenon occurs after the torque value set by the torque wrench, which indicates that the taper connection between the high-pressure oil pump and the coupling flange is qualified, and vice.
The method can effectively and quickly test the taper fit reliability of the high-pressure oil pump and the coupling, is simple to operate, has low requirement on operators, wide test range and high accuracy, and can be used for testing the taper fit reliability of parts in other fields.
Claims (2)
1. The utility model provides a high-pressure oil pump and inspection frock of shaft coupling flange taper fit reliability which characterized in that: the high-pressure oil pump is provided with a square block fixed on the workbench; the middle part of one end wall surface of the square block is provided with a connecting rod which is vertical to the square block; the connecting rod is provided with a truncated cone body connected with the square block and a screw I connected to the truncated cone body; the screw I penetrates through a center hole of the coupling flange and is pressed tightly by a compression nut; the end face of the screw I is provided with a conical hole; the inspection tool is provided with a pull code; the puller is fixed on the coupling flange through a connecting bolt; the pull code and the high-pressure oil pump are respectively arranged on two sides of the coupling flange; the puller is a circular sleeve with an opening at one end; the center of the closed end of the puller is provided with a jackscrew hole for a puller bolt to pass through; the puller bolt is provided with an outer hexagonal nut and a screw II connected with the outer hexagonal nut; the center of the end head of the screw II of the puller bolt is provided with a conical bulge matched with the conical hole of the screw I; the puller bolt penetrates through the puller and the coupling flange to be connected with the high-pressure oil pump into a whole.
2. The inspection tool for the taper fit reliability of the high-pressure oil pump and the coupling flange as claimed in claim 1, wherein: the coupling flange is provided with a flange plate; the center of one side wall surface of the flange plate is provided with a conical sleeve matched with the conical table body on the high-pressure oil pump; the coupling flange is connected with the taper of the conical frustum body on the high-pressure oil pump into a whole through the conical sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921077001.0U CN210090004U (en) | 2019-07-11 | 2019-07-11 | Inspection frock of high-pressure oil pump and shaft coupling flange taper fit reliability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921077001.0U CN210090004U (en) | 2019-07-11 | 2019-07-11 | Inspection frock of high-pressure oil pump and shaft coupling flange taper fit reliability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210090004U true CN210090004U (en) | 2020-02-18 |
Family
ID=69484933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921077001.0U Expired - Fee Related CN210090004U (en) | 2019-07-11 | 2019-07-11 | Inspection frock of high-pressure oil pump and shaft coupling flange taper fit reliability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210090004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346125A (en) * | 2019-07-11 | 2019-10-18 | 河南柴油机重工有限责任公司 | The inspection tooling and the method for inspection of high-pressure oil pump and coupling flange taper fit reliability |
-
2019
- 2019-07-11 CN CN201921077001.0U patent/CN210090004U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346125A (en) * | 2019-07-11 | 2019-10-18 | 河南柴油机重工有限责任公司 | The inspection tooling and the method for inspection of high-pressure oil pump and coupling flange taper fit reliability |
| CN110346125B (en) * | 2019-07-11 | 2024-07-09 | 河南柴油机重工有限责任公司 | Tool and method for checking taper fit reliability of high-pressure oil pump and coupling flange |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200218 |