CN218120871U - Coaxiality detection device of pump - Google Patents
Coaxiality detection device of pump Download PDFInfo
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- CN218120871U CN218120871U CN202221654898.0U CN202221654898U CN218120871U CN 218120871 U CN218120871 U CN 218120871U CN 202221654898 U CN202221654898 U CN 202221654898U CN 218120871 U CN218120871 U CN 218120871U
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Abstract
The utility model provides a axiality detection device of pump, detect structure and axial including round bar, location structure, radial and detect the structure and all install on the round bar, radial and detect the structure and the axial is located location structure one side. The biggest characteristics of this patent are direction and the adjustment value of quick definite adjustment, and one-time success basically has changed making a round trip, adjustment many times, the detection many times of traditional scheme, and measuring tool easy operation is convenient, and general bench worker will master, and easy operation is easy, and measuring error reduces, therefore the installation accuracy of pump and motor improves, and the instrument cost is low, makes simply.
Description
Technical Field
The utility model belongs to the technical field of check out test set, in particular to axiality detection device of pump.
Background
The torque output by the motor is transmitted to the water pump shaft through the coupler (because the working conditions are different, the forms of the coupler are different, but most of the structures are connected through a section shaft, as shown in fig. 1, the coaxiality of the motor shaft (a), the section shaft (b), the pump shaft (c), the motor half-coupler (d), the section shaft half-coupler (e) and the pump shaft half-coupler (f) respectively needs to meet the requirement of tolerance according to the mechanical principle, the equipment runs stably, and the service life of the equipment can be ensured.
(1) More advanced laser centering instrument: the geometric dimension is large, and no way is provided for erecting the water pump coupler; or the device can be erected, but the detection displacement of the jigger is large because of elastic connection, the prying amount is large when the gasket is added or reduced, and the target of the laser generator can be off target; the laser centering instrument cannot be used for the reasons that the connecting line of the laser centering instrument and computer equipment are possibly damaged due to severe field environment.
(2) A vernier caliper: because the length relationship also does not allow the axial deviation of the coupling to be measured.
(3) Tape measure: the method for measuring the axial deviation and the optical gap method are used for detecting the coaxiality of the water pump, the detection error is large, the measurement precision is low, and the coaxiality of the water pump can only reach the requirement of 0.6mm to 1.0mm generally.
Because the rotating speed of the water pump is high (reaches 2900 revolutions per minute), the coaxiality can not meet the requirement, the service life of the water pump is short, faults occur frequently, production is delayed, the time for processing the faults (replacing an elastic rubber ring, replacing a six-claw pad, replacing a coupler, replacing a motor, replacing the water pump, replacing a packing and the like) is prolonged, the cost of ton steel is increased, and the workload and the maintenance cost of maintenance personnel are increased.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a axiality detection device of pump.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a coaxiality detection device of a pump comprises a round rod, a positioning structure, a radial detection structure and an axial detection structure;
the positioning structure, the radial detection structure and the axial detection structure are all arranged on the round rod;
the radial detection structure and the axial detection structure are positioned on one side of the positioning structure.
Preferably, the positioning structure comprises a third bolt and a first positioning block;
the first positioning block is in sliding fit along the axial direction of the round rod;
the third bolt is connected with the first positioning block in a threaded mode along the radial direction of the round rod, and the tail end of the third bolt is abutted to the round rod.
Preferably, the radial detection structure comprises a first mounting hole and a first dial indicator;
the first mounting hole is arranged along the radial direction of the round rod;
the first dial indicator is mounted in the first mounting hole.
Preferably, the axial detection structure comprises a second positioning block, a fourth bolt and a second dial indicator;
the second positioning block is in sliding fit along the axial direction of the round rod;
the fourth bolt is in threaded connection with the second positioning block along the radial direction of the round rod, and the tail end of the fourth bolt abuts against the round rod;
and the second dial indicator is in threaded connection with the second positioning block along the axial direction of the round rod.
Preferably, connecting holes are formed in two ends of the round rod.
Preferably, a second bolt and a second nut are further connected to two ends of the round rod along the radial direction;
the second bolt penetrates through the connecting hole.
Preferably, the first positioning block is of a cuboid structure;
the upper end of the first positioning block is provided with a first matching hole which is used for being in sliding fit with the round rod;
the lower end of the first positioning block is provided with a waist hole;
the waist hole is matched with a first bolt and a first nut.
Preferably, an adjusting block is further arranged between the front end of the first bolt and the first positioning block, and the rear end of the first bolt is connected with the first nut.
Preferably, the second positioning block is of a cuboid structure, and the upper end of the second positioning block is provided with a second matching hole for connecting with the round rod;
and a second mounting hole is formed in the lower end of the second positioning block and used for mounting a second dial indicator.
Preferably, the axial detection structure is used for axial runout detection, and the radial detection structure is used for radial runout detection.
The utility model has the advantages that:
1. the method has the greatest characteristic that the adjustment direction and the adjustment value are quickly determined, one-time success is basically realized, and the back-and-forth, multiple adjustment and multiple detection of the traditional scheme are changed;
2. the measuring tool is simple and convenient to operate and can be mastered by a common fitter;
3. the operation is simple and easy, and the measurement error is reduced, so that the installation precision of the pump and the motor is improved;
4. the tool has low cost and simple manufacture.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 shows a schematic structural view of a coupling of a pump;
fig. 2 shows a schematic structural diagram of a coaxiality detection device of a pump according to the present invention;
fig. 3 shows a schematic structural diagram of the first positioning block of the present invention;
fig. 4 shows a schematic structural diagram of the second positioning block of the present invention.
In the figure: 1. a round bar; 101. connecting holes; 102. a first mounting hole; 2. a first nut; 3. an adjusting block; 4. a first bolt; 5. a second bolt; 6. a second nut; 7. a third bolt; 8. a first positioning block; 801. a first mating hole; 802. a waist hole; 9. a fourth bolt; 10. a first percentile table; 11. a second dial indicator; 12. a second positioning block; 1201. a second mating hole; 1202. and a second mounting hole.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely illustrate the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than 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.
A coaxiality detection device of a pump is shown in figure 2 and comprises a round rod 1, a positioning structure, a radial detection structure and an axial detection structure;
the positioning structure, the radial detection structure and the axial detection structure are all arranged on the round rod 1;
the radial detection structure and the axial detection structure are positioned on one side of the positioning structure.
The round bar 1 is made of stainless steel, and the straightness is mainly required in the machining process according to the technical requirements.
Further, the positioning structure comprises a third bolt 7 and a first positioning block 8;
the first positioning block 8 is in sliding fit along the axial direction of the round rod 1;
the third bolt 7 is connected with the first positioning block 8 in a threaded mode along the radial direction of the round rod 1, and the tail end of the third bolt is abutted to the round rod 1.
It should be noted that the first positioning block 8 can slide on the round bar 1, and then abut against the round bar 1 through the third bolt 7, so that the first positioning block 8 can be fixed on the round bar 1.
Further, the radial detection structure includes a first mounting hole 102 and a first dial indicator 10;
the first mounting hole 102 is arranged along the radial direction of the round rod 1;
the first percentage table 10 is mounted in the first mounting hole 102.
It should be noted that the first percentage table 10 can be used to measure the run-out in the radial direction of the pump shaft.
Further, the axial detection structure comprises a second positioning block 12, a fourth bolt 9 and a second dial indicator 11;
the second positioning block 12 is in sliding fit along the axial direction of the round rod 1;
the fourth bolt 9 is in threaded connection with the second positioning block 12 along the radial direction of the round rod 1, and the tail end of the fourth bolt abuts against the round rod 1;
the second dial indicator 11 is in threaded connection with the second positioning block 12 along the axial direction of the round rod 1.
It should be noted that the second positioning block 12 can slide on the round bar 1, and then the second positioning block 12 can be fixed on the round bar 1 by the fourth bolt 9.
Further, both ends of the round bar 1 are provided with connecting holes 101.
It should be noted that the connection holes 101 at both ends of the round bar 1 are required to keep the shaft coaxial with the hole and the hole coaxial with the hole.
Furthermore, a second bolt 5 and a second nut 6 are connected to two ends of the round rod 1 along the radial direction;
the second bolt 5 passes through the connection hole 101.
Further, as shown in fig. 3, the first positioning block 8 is a rectangular parallelepiped structure;
the upper end of the first positioning block 8 is provided with a first matching hole 801 which is used for sliding matching with the round rod 1;
the lower end of the first positioning block 8 is provided with a waist hole 802;
the waist hole 802 is fitted with a first bolt 4 and a first nut 2.
The first positioning block 8 is arranged on the round rod 1, and the upper part of the first positioning block is positioned by a third bolt 7 during working; the lower part is through the coupling joint of second bolt 5 and pump together (only need 1 bolt just, be equivalent to replacing coupling bolt once), and the lower part is waist hole 802, can adapt to different coupling flange sizes.
Furthermore, an adjusting block 3 is arranged between the front end of the first bolt 4 and the first positioning block 8, and the rear end of the first bolt 4 is connected with the first nut 2.
Further, as shown in fig. 4, the second positioning block 12 is a rectangular parallelepiped structure, and a second fitting hole 1201 is formed at the upper end thereof for connecting with the round bar 1;
the lower end of the second positioning block 12 is provided with a second mounting hole 1202 for mounting a second dial indicator 11.
It should be noted that the second positioning block 12 is installed on the round bar 1, the upper portion is positioned by the fourth bolt 9 during working, and the lower portion is mainly installed with the second dial indicator 11 for measuring axial runout.
Further, the axial detection structure is used for axial runout detection, and the radial detection structure is used for radial runout detection.
It should be noted that, the utility model discloses a axiality detection device's working process as follows:
connecting one end of the section shaft with a pump coupling (only four bolts can be used), screwing the bolts, and connecting and fastening the other end of the section shaft by the four bolts;
installing a detection device: installing a first positioning block 8 in a hole of a coupler at the pump end by using a first bolt 4 (the first positioning block 8 can only be installed on a half coupler of a pump), wherein the first bolt 4 is adjusted according to the size of the coupler;
the round rod 1 is adjusted to enable the center line of the first mounting hole 102 to be aligned to the middle of the thickness position of the flange of the motor half-coupling, and then the third bolt 7 can be used for preventing the first positioning block 8 from displacing;
a second positioning block 12 is arranged beside the motor half-coupling by using a fourth bolt 9, so that the axial runout is conveniently measured;
mounting the first dial gauge 10 at the first mounting hole 102, and mounting the second dial gauge 11 at the second mounting hole 1202;
the coupling is slowly rotated and the readings of the first dial indicator 10 and the second dial indicator 11 at different positions are recorded.
The position of the motor can be quickly adjusted according to the reading value.
And after the adjustment is finished, rotating the coupler again, detecting again, and removing the detection device after the detection device is qualified.
And recovering all bolts (including the motor anchor bolts), fastening, and then commissioning and delivering for use.
It should be noted that the processing of the coupling generally meets the requirements, and the axial runout detection of the coupling halves of the motor is not required in principle.
It should be noted that the utility model discloses aim at solving the difficult problem of pump class equipment fixing process centering precision low, inefficiency, its superiority lies in:
(1) The utility model has simple tools and greatly reduces the maintenance difficulty and the installation difficulty;
(2) The operation time is greatly shortened;
(3) The equipment installation precision is improved, and the service life of the equipment is prolonged;
(4) The tool is simple to manufacture, and simple and efficient to operate;
(5) Has popularization: similar equipment installation process can be popularized, and efficiency is greatly improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The coaxiality detection device of the pump is characterized by comprising a round rod (1), a positioning structure, a radial detection structure and an axial detection structure;
the positioning structure, the radial detection structure and the axial detection structure are all arranged on the round rod (1);
the radial detection structure and the axial detection structure are positioned on one side of the positioning structure.
2. The coaxiality detection apparatus of a pump according to claim 1, wherein the positioning structure includes a third bolt (7) and a first positioning block (8);
the first positioning block (8) is in sliding fit along the axial direction of the round rod (1);
the third bolt (7) is in threaded connection with the first positioning block (8) along the radial direction of the round rod (1), and the tail end of the third bolt is abutted to the round rod (1).
3. The coaxiality detection apparatus of a pump according to claim 1, wherein the radial detection structure includes a first mounting hole (102) and a first dial indicator (10);
the first mounting hole (102) is arranged along the radial direction of the round rod (1);
the first dial indicator (10) is mounted in the first mounting hole (102).
4. The coaxiality detection device of a pump according to claim 2, wherein the axial detection structure comprises a second positioning block (12), a fourth bolt (9) and a second dial indicator (11);
the second positioning block (12) is in axial sliding fit along the round rod (1);
the fourth bolt (9) is in threaded connection with the second positioning block (12) along the radial direction of the round rod (1), and the tail end of the fourth bolt is abutted against the round rod (1);
and the second dial indicator (11) is in threaded connection with the second positioning block (12) along the axial direction of the round rod (1).
5. The coaxiality detection device of a pump according to claim 1, wherein both ends of the round rod (1) are provided with connecting holes (101).
6. The coaxiality detection device of the pump according to claim 5, wherein a second bolt (5) and a second nut (6) are further connected to both ends of the round rod (1) in the radial direction;
the second bolt (5) penetrates through the connecting hole (101).
7. The coaxiality detection device of a pump according to claim 2, wherein the first positioning block (8) has a rectangular parallelepiped structure;
the upper end of the first positioning block (8) is provided with a first matching hole (801) which is used for being in sliding fit with the round rod (1);
the lower end of the first positioning block (8) is provided with a waist hole (802);
the waist hole (802) is matched with a first bolt (4) and a first nut (2).
8. The coaxiality detection device of the pump according to claim 7, wherein an adjusting block (3) is further arranged between the front end of the first bolt (4) and the first positioning block (8), and the rear end of the first bolt (4) is connected with the first nut (2).
9. The coaxiality detection device of the pump according to claim 4, wherein the second positioning block (12) is of a cuboid structure, and a second matching hole (1201) is formed in the upper end of the second positioning block and is used for being connected with the round rod (1);
and a second mounting hole (1202) is formed in the lower end of the second positioning block (12) and used for mounting a second dial indicator (11).
10. A pump coaxiality detection apparatus according to any one of claims 1 to 9, wherein the axial detection structure is used for axial runout detection, and the radial detection structure is used for radial runout detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221654898.0U CN218120871U (en) | 2022-06-28 | 2022-06-28 | Coaxiality detection device of pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221654898.0U CN218120871U (en) | 2022-06-28 | 2022-06-28 | Coaxiality detection device of pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218120871U true CN218120871U (en) | 2022-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221654898.0U Active CN218120871U (en) | 2022-06-28 | 2022-06-28 | Coaxiality detection device of pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218120871U (en) |
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2022
- 2022-06-28 CN CN202221654898.0U patent/CN218120871U/en active Active
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