CN214837319U

CN214837319U - Coupling for large water pump

Info

Publication number: CN214837319U
Application number: CN202121566291.2U
Authority: CN
Inventors: 章晓
Original assignee: Wuxi Gaoxin Metal Manufacturing Co ltd
Current assignee: Wuxi Gaoxin Metal Manufacturing Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-11-23
Anticipated expiration: 2031-07-09

Abstract

The utility model relates to a large-scale water pump technical field just discloses a shaft coupling for large-scale water pump, including two half even axises, two half even axises pass through bolted connection, the lower surface mounting of half even axises has inside hollow extension rod, the surface of extension rod is equipped with the external screw thread. This shaft coupling for large-scale water pump, insert driving shaft or transmission shaft respectively half inside of linking the axle body, then swivel nut, when the nut rotates, drive montant and lantern ring rebound, the lantern ring drives two rings rebound, during first ring rebound, can drive the extension of second telescopic link through swing joint's connecting rod, be annular array on the inner wall of extension rod because of the second telescopic link, the second telescopic link drives splint extension, can press from both sides tight driving shaft or transmission shaft, and make its axle center with half linking the axle body on same vertical line, make driving shaft and driven shaft have higher concentricity, stability when improving driving shaft and driven shaft rotation.

Description

Coupling for large water pump

Technical Field

The utility model relates to a large-scale water pump technical field specifically is a shaft coupling for large-scale water pump.

Background

Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal.

Liquids, gas mixtures, and liquids containing suspended solids may also be transported. The technical parameters of the water pump performance include flow, suction lift, shaft power, water power, efficiency and the like; the pump can be divided into a volume water pump, a vane pump and the like according to different working principles. The displacement pump transfers energy by utilizing the change of the volume of a working chamber; vane pumps transfer energy by the interaction of rotating vanes with water and are available in the types of centrifugal pumps, axial flow pumps, mixed flow pumps, and the like.

The existing coupler still has some defects when in actual use, for example, the coupler enables the connection of a shaft and a shaft to be in clearance connection, so that the coaxiality is poor, the coaxiality of a power shaft cannot be ensured in the process of transmitting power, the swing is easy to generate, and the working performance of the whole water pump is influenced.

SUMMERY OF THE UTILITY MODEL

(solving) the technical problem

The utility model provides a not enough to prior art, the utility model provides a shaft coupling for large-scale water pump possesses advantages such as stability when improving driving shaft and driven shaft rotation, has solved the shaft coupling and has made the axle be the clearance hookup with being connected of axle, and consequently the axiality is poor, and its axiality can't be ensured at the in-process of transmission power to the power shaft, easily produces the swing, influences the complete machine working property's of water pump problem.

(II) technical scheme

For the purpose of realizing above-mentioned stability when improving driving shaft and driven shaft rotation, the utility model provides a following technical scheme: a coupler for a large-scale water pump comprises two half-connecting shaft bodies, wherein the two half-connecting shaft bodies are connected through bolts, an extension rod with a hollow inner part is mounted on the lower surface of each half-connecting shaft body, external threads are arranged on the outer surface of the extension rod, nuts are connected on the external threads through threads, two vertical rods are fixedly mounted on the outer surface of each nut, lantern rings are fixedly mounted at the top ends of the two vertical rods, two first telescopic rods are fixedly mounted on the lower surface of each half-connecting shaft body, two circular rings are fixedly mounted at the bottom ends of the two first telescopic rods and respectively form a first circular ring and a second circular ring from top to bottom, the lantern rings are sleeved on the outer surface of the second circular ring, a plurality of connecting rods are movably connected to the upper surface of the first circular ring, a plurality of second telescopic rods are fixedly mounted on the inner wall of the extension rod, and a clamping plate is fixedly mounted at one end, far away from the extension rod, of each second telescopic rod, the clamping plate is movably connected with the connecting rod.

Preferably, a plurality of long-strip-shaped holes are formed in the outer surface of the extension rod, and the connecting rod is located inside the long-strip-shaped holes.

Preferably, the range of the included angle between the connecting rod and the first circular ring is thirty to sixty degrees.

Preferably, the outer surface of the clamping plate is provided with a friction pad.

Preferably, the number of the second telescopic rods is more than four, and the second telescopic rods are arranged on the inner wall of the extension rod in an annular array.

Preferably, the outer surface of the extension rod is provided with an opening, and a bolt is arranged in the opening.

(III) advantageous effects

Compared with the prior art, the utility model provides a large-scale shaft coupling for water pump possesses following beneficial effect:

this shaft coupling for large-scale water pump, when using, insert the inside of half axle body with driving shaft or transmission shaft respectively, then swivel nut, when the nut rotates, drive montant and lantern ring rebound, the lantern ring drives two rings rebound, during first ring rebound, the connecting rod that can pass through swing joint drives the extension of second telescopic link, be annular array on the inner wall of extension rod because of the second telescopic link, the second telescopic link drives the extension of splint, can press from both sides tight driving shaft or transmission shaft, and make its axle center with half axle body on same vertical line, make driving shaft and driven shaft have higher concentricity, stability when improving driving shaft and driven shaft rotation.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic bottom view of the present invention.

In the figure: 1. a semi-axis body; 2. an extension pole; 3. an external thread; 4. a nut; 5. a vertical rod; 6. a collar; 7. a first telescopic rod; 8. a first circular ring; 9. a second circular ring; 10. a connecting rod; 11. a second telescopic rod; 12. a splint; 13. an elongated aperture.

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, a coupler for a large water pump comprises two half-coupling bodies 1, the two half-coupling bodies 1 are connected through bolts, an extension rod 2 with a hollow interior is mounted on the lower surface of the half-coupling body 1, an external thread 3 is arranged on the outer surface of the extension rod 2, a nut 4 is connected on the outer surface of the external thread 3 through a thread, two vertical rods 5 are fixedly mounted on the outer surface of the nut 4, a lantern ring 6 is fixedly mounted at the top ends of the two vertical rods 5, two first telescopic rods 7 are fixedly mounted on the lower surface of the half-coupling body 1, two rings are fixedly mounted at the bottom ends of the two first telescopic rods 7 and respectively form a first ring 8 and a second ring 9 from top to bottom, the lantern ring 6 is sleeved on the outer surface of the second ring 9, a plurality of connecting rods 10 are movably connected on the upper surface of the first ring 8, a plurality of second telescopic rods 11 are fixedly mounted on the inner wall of the extension rod 2, one end of the second telescopic rod 11 far away from the extension rod 2 is fixedly provided with a clamping plate 12, and the clamping plate 12 is movably connected with the connecting rod 10.

Furthermore, a plurality of long form holes 13 have been seted up to extension rod 2's surface, and connecting rod 10 is located long form hole 13's inside, makes things convenient for connecting rod 10's activity, guarantees that the device can steady operation.

Furthermore, the included angle range between the connecting rod 10 and the first circular ring 8 is thirty-sixty degrees, so that the phenomenon that the device is damaged and cannot be used due to too large or too small angle is avoided.

Furthermore, the outer surface of the clamping plate 12 is provided with a friction pad, which has the effect of increasing the friction force, so that the clamping plate 12 can be tightly attached to the driving shaft or the transmission shaft inserted into the semi-coupling shaft body 1.

Furthermore, the number of the second telescopic rods 11 is more than four, and the second telescopic rods are annularly arrayed on the inner wall of the extension rod 2, so that the driving shafts or the transmission shafts inserted into the half connecting shaft body 1 are uniformly stressed, and the driving shafts or the transmission shafts and the axle center of the half connecting shaft body 1 are on the same vertical line.

Further, the surface of extension rod 2 is equipped with the trompil, is equipped with the bolt in the trompil, when using, inserts driving shaft or transmission shaft in half even axle body 1, and it has the hole that corresponds with the trompil to open on driving shaft or the transmission shaft, inserts the bolt in it, plays to make driving shaft or transmission shaft and half even axle body 1 zonulae occludens.

To sum up, this shaft coupling for large-scale water pump, when using, insert driving shaft or transmission shaft respectively half the inside of even axis body 1, then swivel nut 4, when nut 4 rotates, drive montant 5 and lantern ring 6 rebound, lantern ring 6 drives two rings rebound, when first ring 8 rebound, connecting rod 10 that can pass through swing joint drives second telescopic link 11 extension, be annular array on the inner wall of extension rod 2 because of second telescopic link 11, second telescopic link 11 drives splint 12 extension, can press from both sides tight driving shaft or transmission shaft, and make its axle center with half even axis body 1 on same vertical line, make driving shaft and driven shaft have higher concentricity, stability when improving driving shaft and driven shaft rotation.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means matured in the prior art, the machines, the parts and the equipment adopt the conventional types in the prior art, the circuit connection adopts the conventional connection mode in the prior art, no specific description is provided here, meanwhile, the electric elements appearing in the specification are electrically connected with the external main controller and the mains supply, the peripheral controller mentioned in the specification can play a control role for the electric elements mentioned in the specification, and the peripheral controller is the conventional known equipment.

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

1. The utility model provides a shaft coupling for large-scale water pump, includes two half shaft coupling bodies (1), and bolted connection is passed through in two half shaft coupling bodies (1), its characterized in that: the lower surface of the half-shaft body (1) is provided with an extension rod (2) with a hollow inner part, the outer surface of the extension rod (2) is provided with an external thread (3), the outer surface of the external thread (3) is connected with a nut (4) in a threaded manner, the outer surface of the nut (4) is fixedly provided with two vertical rods (5), the top ends of the two vertical rods (5) are fixedly provided with a lantern ring (6), the lower surface of the half-shaft body (1) is fixedly provided with two first telescopic rods (7), the bottom ends of the two first telescopic rods (7) are fixedly provided with two rings which are respectively a first ring (8) and a second ring (9) from top to bottom, the lantern ring (6) is sleeved on the outer surface of the second ring (9), the upper surface of the first ring (8) is movably connected with a plurality of connecting rods (10), the inner wall of the extension rod (2) is fixedly provided with a plurality of second telescopic rods (11), one end of the second telescopic rod (11) far away from the extension rod (2) is fixedly provided with a clamping plate (12), and the clamping plate (12) is movably connected with the connecting rod (10).

2. The coupling for the large water pump according to claim 1, wherein: a plurality of long-strip-shaped holes (13) are formed in the outer surface of the extension rod (2), and the connecting rod (10) is located inside the long-strip-shaped holes (13).

3. The coupling for the large water pump according to claim 1, wherein: the included angle range between the connecting rod (10) and the first circular ring (8) is thirty-sixty degrees.

4. The coupling for the large water pump according to claim 1, wherein: the outer surface of the clamping plate (12) is provided with a friction pad.

5. The coupling for the large water pump according to claim 1, wherein: the number of the second telescopic rods (11) is more than four, and the second telescopic rods are arranged on the inner wall of the extension rod (2) in an annular array.

6. The coupling for the large water pump according to claim 1, wherein: the outer surface of the extension rod (2) is provided with an opening, and a bolt is arranged in the opening.