CN208396959U - Vertical water pump motor transmission shaft hitch bar - Google Patents
Vertical water pump motor transmission shaft hitch bar Download PDFInfo
- Publication number
- CN208396959U CN208396959U CN201820814881.4U CN201820814881U CN208396959U CN 208396959 U CN208396959 U CN 208396959U CN 201820814881 U CN201820814881 U CN 201820814881U CN 208396959 U CN208396959 U CN 208396959U
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- CN
- China
- Prior art keywords
- axis
- driving key
- transmission shaft
- snap ring
- water pump
- 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.)
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Abstract
The utility model discloses a kind of vertical water pump motor transmission shaft hitch bar, and transmission shaft includes an axis and two axis, and an axis and two axis are multi-diameter shaft, is provided with the first keyway on an axis, the second keyway is provided on two axis；Hitch bar includes the first snap ring, the second snap ring, the first driving key, the second driving key and sleeve.Two transmission shafts are accurately positioned by the first snap ring and the second snap ring, so that a transmission shaft is transmitted torque to another transmission shaft by the first snap ring, the second snap ring, the first driving key, the second driving key and sleeve, can play the role of connecting transmission shaft in water pump operation.Due to not having axial float, main component is to be arranged symmetrically, and is easily worked so having, the advantages such as easy for assemble or unload.Non-threaded transmission is belonged to due to the connection between two axis again, so having is not in the advantage of the loosening of termination of pumping moment suddenly in operation.
Description
Technical field
The embodiments of the present invention are related to hitch bar, join in particular to a kind of vertical water pump motor transmission shaft
Shaft device.
Background technique
Powerhouse of hydropower station percolating water drains into sump, and leaks sump and be in the minimum of entire power station in the design
Point, draining is easy to appear the danger of water logging workshop not in time.Water pump is the special equipment of hydroelectric power plant's draining, using it is more be vertical
Formula water pump, using traditional coupling system, i.e., the shaft end of two transmission shafts adds the transmission shaft of current most of vertical water pumps
Work has closely-pitched external screw thread, and closely-pitched internal screw thread is machined with inside shaft coupling, and two transmission shafts are screwed into shaft coupling respectively and screw, most
It is eventually that more transmission shaft connections are integral.But after pumping for water pump, the water of discharge pipe line, which can flow back to, to be come, and causes water pump electric
The reversion of machine moment, if things go on like this can cause transmission shaft to loosen and eventually fall out, will pay labour after falling off and the time ties up
It repairs, it is time-consuming and laborious.
Utility model content
The purpose of this utility model is that in view of the above-mentioned drawbacks in the prior art, providing a kind of vertical water pump motor drive
Axis hitch bar, the hitch bar can not only play the role of connecting transmission shaft in water pump operation, can also stop in water pump
After pump, the reversion of motor moment will not cause transmission shaft to loosen, and guarantee that water pump long-term safety is stablized.
To realize above-mentioned purpose of utility model, the utility model adopts the technical scheme that a kind of vertical water pump motor
Transmission shaft hitch bar, the transmission shaft include an axis and two axis, and an axis and two axis are multi-diameter shaft, are provided with the first key on an axis
Slot is provided with the second keyway on two axis；Hitch bar include the first snap ring, the second snap ring, the first driving key, the second driving key and
Sleeve, the first snap ring and the second snap ring are buckled on an axis and two axis, and the first driving key is fixedly mounted on the first keyway, and first
Driving key is fixedly mounted on the second keyway, and sleeve is set in outside an axis and two axis, and is driven with the first driving key and second
Key is fixedly connected.
In addition, the utility model also provides following attached technical scheme:
Glue layer is provided between first driving key and the first keyway, glue layer is used for the first driving key of adhesion and the first key
Slot；Glue layer is provided between second driving key and the second keyway, glue layer is used for the second driving key of adhesion and the second keyway.
Sleeve is fixedly connected by screw with the first driving key and the second driving key.
Compared with the prior art, the advantage of the utility model is: being driven two by the first snap ring and the second snap ring
Axis is accurately positioned, and makes a transmission shaft by the first snap ring, the second snap ring, the first driving key, the second driving key and sleeve to another
A piece transmission shaft transmits torque, can play the role of connecting transmission shaft in water pump operation.Due to there is no axial float, mainly
Component is to be arranged symmetrically, and is easily worked so having, the advantages such as easy for assemble or unload.Again since the connection between two axis belongs to non-spiral shell
Line transmission, so have be not in operation in suddenly termination of pumping moment loosening advantage.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, embodiment or the relevant technologies will be retouched below
Attached drawing needed in stating is briefly described, it should be apparent that, it is practical new that the accompanying drawings in the following description merely relates to this
Some embodiments of type, are not limitation of the utility model.
Fig. 1 is an axis and two axle construction schematic diagrames for the utility model preferred embodiment.
Fig. 2 is the vertical water pump motor transmission shaft hitch bar of the utility model preferred embodiment.
Fig. 3 is the structural schematic diagram of the first snap ring and the second snap ring in Fig. 2.
Specific embodiment
In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have
Body embodiment makees further unrestricted detailed description to technical solutions of the utility model.
See Fig. 1, in order to match with the hitch bar of the present embodiment, original transmission shaft one end is had into the externally threaded shape of closely-pitched
Formula is processed into multi-diameter shaft form, and an axis 101 and two axis 102 as shown in the figure are provided with one of annular groove by front position,
Formed with rear end ladder-like, there are also a circle shaft shoulders for the front end of annular groove.The first keyway 201, two axis 102 are provided on one axis 101
On be provided with the second keyway 202.
See that Fig. 2, hitch bar include the first snap ring 6, the second snap ring 7, the first driving key 3, the second driving key 4 and sleeve 5.
See Fig. 3, it is in respectively semicircular arc, and upper and lower ends are respectively arranged with protrusion that the first snap ring 6 is identical with 7 structure of the second snap ring,
Two protrusions are coupled with the annular groove of an axis 101 and two axis 102 respectively when installation, and two intermediate groove portions of protrusion buckle into an axis
101 and two axis 102 the shaft shoulder.
As shown in Fig. 2, the first snap ring 6 and the second snap ring 7 are symmetrically coupled on an axis 101 and two axis 102, an axis 101
With two axis 102 after two snap rings connect, the gap 1mm is formed.Three are processed respectively on first driving key 3 and the second driving key 4
Tapped through hole, and the first driving key 3 is mounted on blend compounds hydropexis in the first keyway 201 of an axis 101, the second driving key 4
It is mounted on blend compounds hydropexis in the second keyway 202 of two axis 102.The upper and lower ends of sleeve 5, corresponding first driving key 3 and the
The position of two driving keys 4, processes six holes, and 5 sets of the sleeve outsides in an axis 101 and two axis 102 form clearance fit, then
With being screwed into sleeve 5, the first driving key 3, the spiral shell on the second driving key 4 after six 8 cushioning spring washers 9 of socket cap screw
In line through-hole, so that limiting sleeve 5 does not make axial float.The outer circle anchor ring of 8 header planes of socket cap screw and sleeve 5
Keep concordant.
The hitch bar of the present embodiment is not in stop suddenly in operation since the connection between two axis belongs to non-threaded transmission
Pump moment loosens.
It should be pointed out that above-mentioned preferred embodiment is only to illustrate the technical ideas and features of the present invention, purpose
It is to enable those skilled in the art to understand the contents of the present invention and implement them accordingly, this reality can not be limited with this
With novel protection scope.All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover in this reality
Within novel protection scope.
Claims (3)
1. a kind of vertical water pump motor transmission shaft hitch bar, the transmission shaft includes an axis and two axis, it is characterised in that: an axis
It is multi-diameter shaft with two axis, is provided with the first keyway on an axis, the second keyway is provided on two axis；Hitch bar includes the first card
Ring, the second snap ring, the first driving key, the second driving key and sleeve, the first snap ring and the second snap ring are buckled on an axis and two axis,
First driving key is fixedly mounted on the first keyway, and the first driving key is fixedly mounted on the second keyway, and sleeve is set in an axis
It is fixedly connected outside two axis, and with the first driving key and the second driving key.
2. vertical water pump motor transmission shaft hitch bar according to claim 1, it is characterised in that: the first driving key and
Glue layer is provided between one keyway, glue layer is used for the first driving key of adhesion and the first keyway；Second driving key and the second key
Glue layer is provided between slot, glue layer is used for the second driving key of adhesion and the second keyway.
3. vertical water pump motor transmission shaft hitch bar according to claim 1, it is characterised in that: sleeve by screw with
First driving key and the second driving key are fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820814881.4U CN208396959U (en) | 2018-05-29 | 2018-05-29 | Vertical water pump motor transmission shaft hitch bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820814881.4U CN208396959U (en) | 2018-05-29 | 2018-05-29 | Vertical water pump motor transmission shaft hitch bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208396959U true CN208396959U (en) | 2019-01-18 |
Family
ID=65134312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820814881.4U Active CN208396959U (en) | 2018-05-29 | 2018-05-29 | Vertical water pump motor transmission shaft hitch bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208396959U (en) |
-
2018
- 2018-05-29 CN CN201820814881.4U patent/CN208396959U/en active Active
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| GR01 | Patent grant |