CN210484435U - Shaft end pump coupling of speed reducer - Google Patents
Shaft end pump coupling of speed reducer Download PDFInfo
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- CN210484435U CN210484435U CN201920667641.0U CN201920667641U CN210484435U CN 210484435 U CN210484435 U CN 210484435U CN 201920667641 U CN201920667641 U CN 201920667641U CN 210484435 U CN210484435 U CN 210484435U
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Abstract
The utility model discloses a reduction gear axle head pump shaft coupling, the power distribution box comprises a box body, the gear shaft, shaft coupling body and two-way axle head pump gear shaft set up in the box, the gear shaft terminal surface along radially being equipped with the shaft coupling body on the bar groove of boss cooperation hookup, first shoulder hole and second shoulder hole are seted up to the shaft coupling body along the axial lead, the axle footpath of first shoulder hole and two-way axle head pump cooperatees, the shaft coupling body along radially being equipped with the keyway that communicates with first shoulder hole, two C type parallel key symmetries set up in the keyway of shaft coupling body, make first shoulder hole form flat hole, flat axle on the two-way axle head pump is stretched and is linked with flat hole cooperation. The utility model has the advantages of simple structure and reasonable design, not only overall dimension is little, light in weight, low in manufacturing cost, and simple to operate has high-efficient energy-conservation simultaneously, and non-maintaining has reduced use cost, and in addition, the hookup is reliable, great improvement reduction gear force-feed lubrication's reliability.
Description
Technical Field
The invention relates to a coupler, in particular to a shaft end pump coupler of a speed reducer.
Background
Forced lubrication in a speed reducer lubrication mode is widely applied, and currently, an oil pump is generally adopted to suck lubricating oil in a speed reducer box into a lubrication pipeline and then the lubricating oil is respectively sent to each lubrication point of the speed reducer through an oil distributor. The power source of the oil pump is two types: one is that the motor and the oil pump are combined into a whole to form an oil pump motor set; there are three disadvantages to this approach; firstly, the weight is heavy, and the installation space is large; secondly, a power supply and a control circuit are additionally provided; third, high manufacturing and use costs. The other is a shaft bidirectional shaft end pump which can overcome the defects of the oil pump motor set and solve the problem of power connection between an end pump and a reducer gear shaft.
Disclosure of Invention
The invention provides a reducer shaft end pump coupling which is compact in structure, reliable in connection, convenient to install and low in cost.
In order to achieve the aim, the invention is realized by the following technical scheme:
the invention relates to a shaft end pump coupler of a speed reducer, which comprises a box body, a gear shaft, a coupler body and a bidirectional shaft end pump, wherein the gear shaft is arranged in the box body, the end surface of the gear shaft is radially provided with a strip-shaped groove which is matched and connected with a boss on the coupler body, the coupler body is provided with a first stepped hole and a second stepped hole along the axial lead, the first stepped hole is matched and connected with the axial diameter of the bidirectional shaft end pump, the coupler body is radially provided with a key groove which is communicated with the first stepped hole, two C-shaped flat keys are symmetrically arranged in the key groove of the coupler body, so that the first stepped hole forms a flat inner hole, a flat shaft extension on the bidirectional shaft end pump is matched and connected with the flat inner hole, the width of the key groove is B and is smaller than the diameter D of the first stepped hole, the depth of the key groove is H, the H is larger than the height, l is equal to the sum of the lengths of the two C-shaped flat keys and the thickness of the flat shaft of the bi-directional shaft end pump.
The invention is further improved in that: the gear shaft 4 is placed in a bearing hole of the box body through a bearing.
The invention is further improved in that: the key grooves on the coupler body 5 are symmetrically distributed by taking the neutral plane of the boss as a reference.
The invention is further improved in that: the width and the depth of the strip-shaped groove of the gear shaft are both larger than the thickness B and the height h of the boss on the coupler body.
The invention is further improved in that: the unthreaded hole of the bidirectional shaft end pump is in threaded connection with the threaded interface of the transparent cover through a screw.
The invention is further improved in that: the light hole of the transparent cover is screwed at the threaded interface of the box body through a bolt.
The invention has the beneficial effects that: the power on the gear shaft is transmitted to the coupler body through the connection of the strip-shaped groove on the end face of the gear shaft and the boss on the coupler body, the coupler body transmits the power to the flat shaft of the bidirectional shaft end pump through the two C-shaped flat keys, so that the rotor of the bidirectional shaft end pump is driven to rotate, and the bidirectional shaft end pump is not influenced by the rotating direction and is a special lubricating pump for quantitatively sucking and spitting lubricating oil according to the fixed direction.
The invention has simple structure, reasonable design, small overall dimension, light weight, low manufacturing cost, convenient installation, high efficiency, energy saving, maintenance free and reduced use cost, in addition, the connection is reliable, and the reliability of the forced lubrication of the speed reducer is greatly improved.
Drawings
FIG. 1 is a schematic diagram of the present invention.
FIG. 2 is a schematic view of a boss of the present invention.
Fig. 3 is a schematic end view of the coupling body of the present invention.
Fig. 4 is a schematic view of the coupling body of the present invention.
Fig. 5 is a schematic view of a bi-directional axial end pump.
Wherein: the coupling comprises a box body 1, bolts 2, a transparent cover 3, a gear shaft 4, a coupling body 5, a bidirectional shaft end pump 6, screws 7, a flat key 8-C and a boss 9.
Detailed Description
In order to enhance the understanding of the present invention, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, wherein the embodiments are only used for explaining the present invention, and do not limit the protection scope of the present invention.
Referring to fig. 1-5, the invention is a shaft end pump coupling of a speed reducer, comprising a box body 1, a gear shaft 4, a coupling body 5 and a bidirectional shaft end pump 6, wherein an unthreaded hole of the bidirectional shaft end pump 6 is screwed at a threaded interface of a transparent cover 3 through a screw 7, the unthreaded hole of the transparent cover is screwed at the threaded interface of the box body through a bolt 2, the gear shaft 4 is arranged in the box body 1, the gear shaft 4 is placed in a bearing hole of the box body through a bearing, the end surface of the gear shaft 4 is provided with a strip-shaped groove matched and connected with a boss 9 on the coupling body 5 along the radial direction, the width and the depth of the strip-shaped groove of the gear shaft 4 are both larger than the thickness B and the height h of the boss 9 on the coupling body 5, the coupling body 5 is provided with a first stepped hole and a second stepped hole along the axial lead, the first stepped hole is matched with the axial diameter of the, the keyway on the shaft coupling body 5 uses 9 neutral planes of boss as the benchmark symmetric distribution, 8 symmetries of two C type parallel keys set up in the keyway of shaft coupling body 5, make flat hole of first step hole formation, flat axle on the two-way axle end pump 6 is stretched and is linked with flat hole cooperation, the keyway width is B, and be less than the diameter D in first step hole, the degree of depth of keyway is H, H is greater than the height of C type parallel key, and H is less than the effective length that the axle of two-way axle end pump 6 stretched, keyway length is L, L equals the total of the thickness of two C type parallel keys length and the flat axle of two-way axle end pump 6.
The invention has simple structure, reasonable design, small overall dimension, light weight, low manufacturing cost, convenient installation, high efficiency, energy saving, maintenance free and reduced use cost, in addition, the connection is reliable, and the reliability of the forced lubrication of the speed reducer is greatly improved.
The contents of the embodiments in the present specification are merely illustrations of implementation forms of the inventive concept, and the scope of the present invention should not be construed as being limited to the specific forms set forth in the embodiments, but also as equivalent technical means which can be conceived by those skilled in the art based on the inventive concept.
Claims (6)
1. The utility model provides a reduction gear axle head pump shaft coupling, includes box (1), gear shaft (4), shaft coupling body (5) and two-way axle head pump (6), its characterized in that: the gear shaft (4) is arranged in the box body (1), the end face of the gear shaft (4) is radially provided with a strip-shaped groove which is matched and connected with a boss on the coupler body (5), the coupler body (5) is provided with a first stepped hole and a second stepped hole along the axial lead, the first stepped hole is matched with the axial diameter of the bidirectional axial end pump (6), the coupler body (5) is radially provided with a key groove communicated with the first stepped hole, two C-shaped flat keys (8) are symmetrically arranged in the key groove of the coupler body (5) to enable the first stepped hole to form a flat inner hole, a flat shaft on the bidirectional axial end pump (6) is stretched and matched and connected with the flat inner hole, the width of the key groove is B and is smaller than the diameter D of the first stepped hole, the depth of the key groove is H, and the H is larger than the height of the C-shaped flat key, and H is smaller than the effective length of the shaft extension of the bidirectional shaft end pump (6), the length of the key groove is L, and L is equal to the sum of the lengths of the two C-shaped flat keys and the thickness of the flat shaft of the bidirectional shaft end pump (6).
2. A reducer shaft-end pump coupling as set forth in claim 1, wherein: the gear shaft (4) is placed in a bearing hole of the box body through a bearing.
3. A reducer shaft-end pump coupling as set forth in claim 1, wherein: the key grooves on the coupler body (5) are symmetrically distributed by taking the neutral plane of the boss as a reference.
4. A reducer shaft-end pump coupling as set forth in claim 1, wherein: the width and the depth of the strip-shaped groove of the gear shaft (4) are both larger than the thickness B and the height h of the boss on the coupler body (5).
5. A reducer shaft-end pump coupling as set forth in claim 1, wherein: the unthreaded hole of the bidirectional shaft end pump (6) is screwed at the threaded interface of the transparent cover (3) through a screw (7).
6. The reducer shaft-end pump coupling of claim 5, wherein: the light hole of the transparent cover is in threaded connection with the threaded interface of the box body through a bolt (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920667641.0U CN210484435U (en) | 2019-05-10 | 2019-05-10 | Shaft end pump coupling of speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920667641.0U CN210484435U (en) | 2019-05-10 | 2019-05-10 | Shaft end pump coupling of speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210484435U true CN210484435U (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920667641.0U Active CN210484435U (en) | 2019-05-10 | 2019-05-10 | Shaft end pump coupling of speed reducer |
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| CN (1) | CN210484435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107606A (en) * | 2019-05-10 | 2019-08-09 | 江苏国茂减速机股份有限公司 | A kind of reducer shaft end pump shaft coupling |
-
2019
- 2019-05-10 CN CN201920667641.0U patent/CN210484435U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107606A (en) * | 2019-05-10 | 2019-08-09 | 江苏国茂减速机股份有限公司 | A kind of reducer shaft end pump shaft coupling |
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