CN211852035U - Coupling device for pump bench test - Google Patents
Coupling device for pump bench test Download PDFInfo
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- CN211852035U CN211852035U CN202020442605.7U CN202020442605U CN211852035U CN 211852035 U CN211852035 U CN 211852035U CN 202020442605 U CN202020442605 U CN 202020442605U CN 211852035 U CN211852035 U CN 211852035U
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Abstract
The utility model discloses a connecting device for pump stand test, which comprises a connecting component, one end of the connecting component is connected with a coupling, the other end is connected with a coupling flange, the coupling assembly comprises a first coupling flange, a second coupling flange and a connecting column for coupling the first coupling flange and the second coupling flange, the outer circle diameters of the first coupling flange and the second coupling flange are the same, eight first through holes are uniformly distributed on the excircle of one end of the first connecting flange, eight second through holes are arranged on the excircle of one end of the second connecting flange, the eight second through holes are divided into four groups, one group consists of three second through holes which are uniformly distributed, in addition, the three groups of the connecting devices for the pump stand test are respectively composed of two opposite second through holes, the coupling which is not required to be replaced when different types of fuel injection pumps are tested is carried out, the coupling flange and the test stand flange can be quickly installed, and the test efficiency is improved.
Description
Technical Field
The utility model relates to a diesel engine technical field specifically is a coupling device is used in pump station test.
Background
The fuel injection pump test bed is mainly used for testing, debugging and reliability tests of fuel injection pumps, and various types of fuel injection pumps need to be tested frequently. The shaft coupling is a mechanical part used for connecting two shafts in different mechanisms to enable the shafts to rotate together to transmit torque, and plays a role in connection. The fuel injection pump test bed adopts a diaphragm coupling, and the diaphragm coupling compensates the relative displacement of two coupled shafts by the elastic deformation of the diaphragm. The coupling flange is mounted on the input shaft of the injection pump through a key groove on the conical surface, so that the coupling flange can rotate together with the camshaft of the injection pump.
The coupling flange on the general fuel injection pump can not be directly connected with the flange plate of the test bed, and a coupling is required to be designed to connect the flange plate and the coupling flange together. One end of the coupling is connected with the flange plate, and the other end of the coupling is connected with the coupling flange. Therefore, after the injection pump test is finished, when the next injection pump is tested, the coupling on the test bench needs to be disassembled, and another coupling corresponding to the injection pump needs to be replaced. Therefore, in order to meet the test requirements of the fuel injection pump, a large number of couplings of different types are required to be prepared on the fuel injection pump test bed, and corresponding couplings are customized, so that the production cost is improved, and the couplings need to be frequently replaced, which results in a large amount of waste of manpower and material resources.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome current defect, provide a coupling device for pump station test, the shaft coupling that need not to change when carrying out different grade type injection pump test can realize the quick installation of shaft coupling flange and test bench flange, improves test efficiency, has further promoted the utility model discloses an availability factor can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pump stand is coupling device for experiment, includes the coupling subassembly, and the one end and the coupling of coupling subassembly are connected, and the other end and coupling flange connection, the coupling subassembly includes first coupling flange, second coupling flange and is used for hookup spliced pole two, and the excircle diameter of first coupling flange is the same with the second coupling flange, the one end excircle equipartition of first coupling flange has eight first through-holes, and the one end excircle of second coupling flange is equipped with eight second through-holes, and eight second through-holes divide into four groups, and a set of three second through-holes by evenly distributed constitutes, and three groups constitute by two relative second through-holes respectively in addition.
As an optimal technical scheme of the utility model, be equipped with the ring boss on the first coupling flange, the ring boss is mutually supported with the coupling flange hole.
As a preferred technical solution of the present invention, the first coupling flange has a contour size equal to a contour size of the flange on the coupling.
As a preferred technical scheme of the utility model, first coupling flange is through the fixing bolt and the shaft coupling fixed connection who pass first through-hole, and the stud and the shaft coupling flange fixed connection of second coupling flange through passing the second through-hole.
As an optimized technical scheme of the utility model, the spliced pole is inside hollow structure.
As an optimized technical scheme of the utility model, the distance between first coupling flange and the second coupling flange is 0.3 ~ 0.7 times of flange diameter.
Compared with the prior art, the beneficial effects of the utility model are that: this experimental coupling device of using of pump platform compact structure, reasonable in design, occupation space is little during the use, can be quick carry out the experimental hookup of pump oil pump, improved work efficiency greatly, saved manpower and materials simultaneously, the hookup subassembly set up can assemble the hookup according to the coupling flange of difference, need not to change the coupling, the setting of first coupling flange conveniently carries out the quick installation of coupling, the setting of second coupling flange conveniently carries out the quick installation with the coupling flange.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the coupling assembly;
fig. 3 is a right side view of fig. 2.
In the figure: the coupling comprises a coupling 1, a fixing bolt 2, a stud 3, a connecting component 4, a second through hole 5, a coupling flange 6, a first connecting flange 7, a connecting column 8 and a second connecting flange 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a connecting device for a pump stand test comprises a connecting component 4, one end of the connecting component 4 is connected with a coupling 1, the other end of the connecting component 4 is connected with a coupling flange 6, the connecting component 4 comprises a first connecting flange 7, a second connecting flange 9 and a connecting column 8 for connecting the first connecting flange 7 and the second connecting flange 9, the diameters of the outer circles of the first connecting flange 7 and the second connecting flange 9 are the same, eight first through holes are uniformly distributed on the outer circle of one end of the first connecting flange 7, the first connecting flange 7 is fixedly connected with the coupling 1 through fixing bolts 2 penetrating through the first through holes, a circular boss is arranged on the first connecting flange 7 and matched with a flange hole on the coupling 1, the circular boss is arranged to play a positioning role, the axis of the connecting component 4 is ensured to be on the same straight line with the axis of the coupling 1 and the axis of the coupling flange 6, the contour size of the first connecting flange 7 is the same as the contour size of the flange on the, the tight and reliable connection between the matching surfaces of the first connecting flange and the second connecting flange can be effectively ensured, eight second through holes 5 are arranged on the excircle of one end of the second connecting flange 9, the eight second through holes 5 are divided into four groups, one group consists of three second through holes 5 which are uniformly distributed, the other three groups respectively consist of two opposite second through holes 5, the second connecting flange 9 is fixedly connected with a coupling flange 6 through a stud 3 which passes through the second through holes 5, a connecting column 8 is of an internal hollow structure, the connecting column 8 is of a hollow structure, the weight of the whole connecting assembly can be reduced, the connecting assembly can be quickly started and quickly braked, the distance between the first connecting flange 7 and the second connecting flange 9 is 0.3-0.7 time of the diameter of the flange, the optimal installation stability can be ensured, the quick starting and the quick braking of a test bed are convenient, the connecting device for the test of the pump bed is compact in structure, reasonable in design and small in, the test connection of the pump oil pump can be rapidly carried out, the working efficiency is greatly improved, and the production cost is reduced.
When in use: the connecting component 4 is positioned through eight fixing bolts 2 arranged on the first connecting flange 7 and connected with the coupling 1 and a circular ring boss on the first connecting flange 7, so that the axis of the connecting component 4 is in the same straight line with the axis of the coupling 1 and the axis of the coupling flange 6, the second connecting flange 9 is connected with the fuel injection pump coupling flange through the stud 3, the number of the second through holes 5 is eight, two opposite second through holes 5 are paired and can form three groups, the three 120-degree second through holes 5 form one group and can be connected with fuel injection pumps of four types, when the connecting component is used for testing, the connecting component 4 is converted to a certain angle, and the fuel injection pump after replacement and the matched second through holes 5 are connected through the studs 3, so that rapid installation can be realized.
The utility model can be operated conveniently, occupies little space when in use, and is convenient for operation and use; the test connection of the pump oil pump can be rapidly carried out, and the use convenience is improved; the arrangement of the connecting component 4 can avoid replacing the shaft coupling 1 during testing, thereby further improving the use convenience.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a pump platform is coupling device for experiment which characterized in that: the coupling device comprises a coupling component (4), one end of the coupling component (4) is connected with a coupling (1), the other end of the coupling component is connected with a coupling flange (6), the coupling component (4) comprises a first coupling flange (7), a second coupling flange (9) and a connecting column (8) for coupling the first coupling flange (7) and the second coupling flange (9), the diameters of the outer circles of the first coupling flange (7) and the second coupling flange (9) are the same, eight first through holes are uniformly distributed on the outer circle of one end of the first coupling flange (7), eight second through holes (5) are arranged on the outer circle of one end of the second coupling flange (9), the eight second through holes (5) are divided into four groups, one group of the eight second through holes is composed of three uniformly distributed second through holes (5), and the other three groups are respectively composed of two opposite second through holes.
2. The coupling device for pump stand testing of claim 1, wherein: and a circular boss is arranged on the first connecting flange (7) and matched with a flange hole on the coupling (1).
3. The coupling device for pump stand testing of claim 1, wherein: the contour size of the first connecting flange (7) is the same as that of the flange on the coupling (1).
4. The coupling device for pump stand testing of claim 1, wherein: the first connecting flange (7) is fixedly connected with the coupling (1) through a fixing bolt (2) penetrating through the first through hole, and the second connecting flange (9) is fixedly connected with the coupling flange (6) through a stud (3) penetrating through the second through hole (5).
5. The coupling device for pump stand testing of claim 1, wherein: the connecting column (8) is of an internal hollow structure.
6. The coupling device for pump stand testing of claim 1, wherein: the distance between the first connecting flange (7) and the second connecting flange (9) is 0.3-0.7 times of the diameter of the flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020442605.7U CN211852035U (en) | 2020-03-31 | 2020-03-31 | Coupling device for pump bench test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020442605.7U CN211852035U (en) | 2020-03-31 | 2020-03-31 | Coupling device for pump bench test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211852035U true CN211852035U (en) | 2020-11-03 |
Family
ID=73137797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020442605.7U Active CN211852035U (en) | 2020-03-31 | 2020-03-31 | Coupling device for pump bench test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211852035U (en) |
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2020
- 2020-03-31 CN CN202020442605.7U patent/CN211852035U/en active Active
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