CN213870228U

CN213870228U - Hydraulic pump main shaft convenient to connect

Info

Publication number: CN213870228U
Application number: CN202022411319.7U
Authority: CN
Inventors: 冯永国
Original assignee: Shenyang Heyuan Seiko Technology Co ltd
Current assignee: Shenyang Heyuan Seiko Technology Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-08-03
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a hydraulic pump main shaft convenient to connect, including the connecting axle and the main shaft body, the right side of connecting axle and the equal fixedly connected with ring flange in left side of the main shaft body, the ladder recess has been seted up to the center department on main shaft body surface, the right side fixedly connected with integral key shaft of the main shaft body. The utility model discloses a set up hexagon socket head cap positioning bolt, elasticity plum blossom post, the ring flange, spacing recess, the business turn over slot, store up and receive the recess, the rotation screw, reset spring, the arc clamp plate, support the cover, accomodate the cooperation of recess and location inserted bar and use, make things convenient for the hydraulic pump main shaft to be connected with external equipment axis body, the use of hydraulic pump main shaft is more convenient like this, hydraulic pump main shaft has been solved in the use, be connected because of inconvenient and external equipment axis body, the in-process that causes the connection has consumed the plenty of time, can not effectively transmit the moment of torsion after connecting simultaneously, thereby lead to the hydraulic pump main shaft inconvenient problem to appear.

Description

Hydraulic pump main shaft convenient to connect

Technical Field

The utility model relates to a hydraulic pump technical field specifically is a hydraulic pump main shaft convenient to connect.

Background

The hydraulic pump is a power element of a hydraulic system, is driven by an engine or a motor, sucks oil from a hydraulic oil tank, discharges pressure oil, and sends the pressure oil to an element of an execution element, and is divided into a gear pump, a plunger pump, a vane pump and a screw pump according to the structure; a hydraulic component for providing pressurized liquid for hydraulic transmission is a pump, and has the functions of converting mechanical energy of a power machine into pressure energy of liquid, so that the service life of a hydraulic pump is influenced by a plurality of factors, the design and the manufacturing of the pump are related to the selection of some elements related to the use of the pump, the operation in the trial run process and the like, the hydraulic pump is formed by assembling various parts, a main shaft is one of the elements, the conventional main shaft of the hydraulic pump is inconvenient to be connected with an external device shaft body in the use process, a large amount of time is consumed in the connection process, and torque cannot be effectively transmitted after connection, so that the problem of inconvenience in use of the main shaft of the hydraulic pump is caused, and the practicability of the main shaft of the hydraulic pump is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic pump main shaft convenient to connect possesses the advantage that makes things convenient for hydraulic pump main shaft and external equipment axis body to be connected, has solved hydraulic pump main shaft in the use, is connected because of inconvenient and external equipment axis body, causes the in-process of connecting to consume a large amount of time, can not effectively transmit the moment of torsion after connecting simultaneously to lead to inconvenient problem to appear in the hydraulic pump main shaft.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic pump main shaft convenient to connect comprises a connecting shaft and a main shaft body, wherein flange plates are fixedly connected to the right side of the connecting shaft and the left side of the main shaft body, a stepped groove is formed in the center of the surface of the main shaft body, a spline shaft is fixedly connected to the right side of the main shaft body, a limiting groove is formed in the outer ring of the outer side surface of each flange plate, an inlet and outlet slot is formed in the inner ring of each limiting groove, the flange plates penetrate through the inner sides of the inlet and outlet slots, an elastic plum blossom pillar is arranged on one side corresponding to the two inlet and outlet slots in a penetrating mode, a storage groove is formed in the surface of the outer ring of each flange plate, one side, close to the circle center of each flange plate, of each storage groove, far away from each storage groove, is communicated with a storage groove, reset springs are fixedly connected to the two sides of the storage grooves, one side, far away from the inner cavities of the storage grooves, is fixedly connected with arc-shaped press plates, the utility model discloses a novel structure of arc clamp plate, including arc clamp plate, inner circle, storage recess, hexagonal positioning bolt, screw hole, support cover, the center department fixedly connected with location inserted bar of arc clamp plate inner circle, one side that the arc clamp plate was kept away from to the location inserted bar extends to in the elasticity plum blossom post, the center department fixedly connected with on arc clamp plate outer lane surface supports the cover, the inner circle of storing up the recess is provided with hexagon socket head positioning bolt, hexagon socket head positioning bolt keeps away from one side of storing up the recess and runs through the rotation screw and extend to the inner chamber that supports the cover and be sliding contact.

Preferably, the inner diameter of the storage groove is larger than the outer diameter of the end part of the inner hexagonal positioning bolt, and the surface of the inner hexagonal positioning bolt is in threaded connection with the inner cavity of the rotating screw hole.

Preferably, the surface of the arc-shaped pressing plate is in sliding contact with the inner cavity of the containing groove, and the radian of the inner ring of the arc-shaped pressing plate is the same as that of the surface of the outer ring of the elastic quincuncial column.

Preferably, the surface of elasticity plum blossom post outer lane is closely for cooperating with the inner chamber of business turn over slot, has the clearance between the corresponding one side of two ring flanges.

Preferably, the left side of the connecting shaft is fixedly connected with external mechanical equipment, and the right side of the main shaft body and the spline shaft extend into the hydraulic pump.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up hexagon socket head cap positioning bolt, elasticity plum blossom post, the ring flange, spacing recess, the business turn over slot, store up and receive the recess, the rotation screw, reset spring, the arc clamp plate, support the cover, accomodate the cooperation of recess and location inserted bar and use, make things convenient for the hydraulic pump main shaft to be connected with external equipment axis body, the use of hydraulic pump main shaft is more convenient like this, hydraulic pump main shaft has been solved in the use, be connected because of inconvenient and external equipment axis body, the in-process that causes the connection has consumed the plenty of time, can not effectively transmit the moment of torsion after connecting simultaneously, thereby lead to hydraulic pump main shaft inconvenient problem to appear, be worth promoting.

2. The utility model discloses a recess is received in the setting storage, can accomodate hexagon socket head cap positioning bolt's tip, through rotating the screw, in the rotatory entering support cover of hexagon socket head cap positioning bolt made things convenient for, through arc clamp plate and location inserted bar, can fix a position elasticity plum blossom post, through elasticity plum blossom post, conveniently carry out elastic connection between with two ring flanges.

Drawings

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

FIG. 2 is a side view of the flange structure of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention;

fig. 4 is a schematic view of the arc-shaped pressing plate of the present invention.

In the figure: 1 connecting axle, 2 hexagon socket head cap positioning bolts, 3 elasticity plum blossom post, 4 ring flanges, 5 main shaft bodies, 6 ladder grooves, 7 integral key shafts, 8 spacing recesses, 9 business turn over slots, 10 storage recesses, 11 rotation screws, 12 reset springs, 13 arc clamp plates, 14 support cover, 15 storage recesses, 16 location inserted bars.

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. 1-4, a hydraulic pump spindle convenient for connection includes a connecting shaft 1 and a spindle body 5, a flange 4 is fixedly connected to both the right side of the connecting shaft 1 and the left side of the spindle body 5, a stepped groove 6 is formed in the center of the surface of the spindle body 5, a spline shaft 7 is fixedly connected to the right side of the spindle body 5, the left side of the connecting shaft 1 is fixedly connected to an external mechanical device, the right side of the spindle body 5 and the spline shaft 7 extend into the hydraulic pump, a limiting groove 8 is formed in the outer ring of the outer surface of the flange 4, an inlet and outlet slot 9 is formed in the inner ring of the limiting groove 8, a flange 4 is penetrated through the inner side of the inlet and outlet slot 9, an elastic plum blossom pillar 3 is penetrated through the corresponding side of the two inlet and outlet slots 9, the surface of the outer ring of the elastic plum blossom pillar 3 is tightly fitted with the inner cavity of the inlet and outlet slot 9, and a gap is formed between the corresponding sides of the two flanges 4, through the elastic plum blossom pillar 3, the two flange plates 4 are conveniently and elastically connected, the surface of the outer ring of the flange plate 4 is provided with a storage groove 10, one side of the storage groove 10, which is close to the circle center of the flange plate 4, is communicated with a rotating screw hole 11, one side of the rotating screw hole 11, which is far away from the storage groove 10, is communicated with a storage groove 15, both sides of the inner cavity of the storage groove 15, which are positioned at the rotating screw hole 11, are fixedly connected with a reset spring 12, one side of the reset spring 12, which is far away from the inner cavity of the storage groove 15, is fixedly connected with an arc-shaped pressing plate 13, the center of the inner ring of the arc-shaped pressing plate 13 is fixedly connected with a positioning insertion rod 16, one side of the positioning insertion rod 16, which is far away from the arc-shaped pressing plate 13, extends into the elastic plum blossom pillar 3, the surface of the arc-shaped pressing plate 13 is in sliding contact with the inner cavity of the storage groove 15, the radian of the inner ring of the arc-shaped pressing plate 13 is the same as that of the surface of the outer ring of the elastic plum blossom pillar 3, and through the arc-shaped pressing plate 13 and the positioning insertion rod 16, the elastic plum blossom pillar 3 can be positioned, the center of the surface of the outer ring of the arc-shaped pressing plate 13 is fixedly connected with a supporting sleeve 14, the inner ring of the storage groove 10 is provided with an inner hexagonal positioning bolt 2, one side of the inner hexagonal positioning bolt 2, which is far away from the storage groove 10, penetrates through the rotating screw hole 11 and extends to the inner cavity of the supporting sleeve 14 to be in sliding contact with the inner cavity of the supporting sleeve 14, the hydraulic pump main shaft is conveniently connected with an external equipment shaft body by arranging the inner hexagonal positioning bolt 2, the elastic plum blossom pillar 3, the flange plate 4, the limiting groove 8, the in-out slot 9, the storage groove 10, the rotating screw hole 11, the reset spring 12, the arc-shaped pressing plate 13, the supporting sleeve 14, the storage groove 15 and the positioning inserted rod 16 in a matching use manner, so that the use of the hydraulic pump main shaft is more convenient, the problem that the hydraulic pump main shaft is inconvenient to be connected with the external equipment shaft body in the use and consumes a large amount of time in the connection process is solved, can not effectively transmit the moment of torsion after connecting simultaneously to lead to inconvenient in use's problem to appear in the hydraulic pump main shaft, be worth promoting, store up the internal diameter of receiving recess 10 and be greater than the external diameter of 2 tip of hexagon socket head cap screw, the surface of hexagon socket head cap screw 2 passes through threaded connection with the inner chamber that rotates screw 11, receives recess 10 through setting up storage, can accomodate the tip of hexagon socket head cap screw 2, through rotating screw 11, make things convenient for the rotatory entering of hexagon socket head cap screw 2 to support in the cover 14.

When the positioning device is used, mechanical equipment to be connected is moved to the left side of a hydraulic pump, a connecting shaft 1 on the moving mechanical equipment corresponds to a main shaft body 5, an elastic plum blossom pillar 3 is inserted into an inlet and outlet slot 9, two flange plates 4 are elastically connected, an inner hexagonal positioning bolt 2 is placed into a storage groove 10 and rotated, the inner hexagonal positioning bolt 2 is rotated to enter a supporting sleeve 14, the inner hexagonal positioning bolt 2 is continuously rotated to drive an arc-shaped pressing plate 13 to move towards the elastic plum blossom pillar 3, a reset spring 12 is stretched in the process, a positioning inserted rod 16 is finally completely inserted into the elastic plum blossom pillar 3, after the first elastic plum blossom pillar 3 is positioned, the flange plates 4 are rotated to enable the next storage groove 10 to enter a construction range, then the inner positioning bolt 2 is installed, and the steps are repeated until all the elastic plum blossom pillars 3 are positioned, and finally, positioning the mechanical equipment.

All parts used in the application document are standard parts and can be purchased from the market, and the specific connection mode of all parts adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, and detailed description is not given here.

In summary, the following steps: this hydraulic pump main shaft convenient to connect, through setting up hexagon socket head cap positioning bolt 2, elasticity plum blossom post 3, ring flange 4, spacing recess 8, business turn over slot 9, store up and receive recess 10, rotate screw 11, reset spring 12, arc clamp plate 13, support cover 14, the cooperation of accomodating recess 15 and location inserted bar 16 is used, hydraulic pump main shaft has been solved in the use, be connected because of inconvenient and external equipment axis body, the in-process that causes the connection has consumed a large amount of time, can not effectively transmit the moment of torsion after connecting simultaneously, thereby lead to the hydraulic pump main shaft inconvenient problem to appear.

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 hydraulic pump main shaft convenient to connect, includes connecting axle (1) and main shaft body (5), its characterized in that: the right side of the connecting shaft (1) and the left side of the main shaft body (5) are fixedly connected with flange plates (4), a stepped groove (6) is formed in the center of the surface of the main shaft body (5), spline shafts (7) are fixedly connected to the right side of the main shaft body (5), a limiting groove (8) is formed in the outer ring of the outer side surface of each flange plate (4), an in-and-out slot (9) is formed in the inner ring of each limiting groove (8), the flange plates (4) are penetrated through the inner sides of the in-and-out slots (9), elastic plum blossom pillars (3) are penetrated through the corresponding sides of the two in-and-out slots (9), a storage groove (10) is formed in the surface of the outer ring of each flange plate (4), a rotating screw hole (11) is communicated with one side, close to the circle center of each flange plate (4), of the rotating screw hole (11) far away from the storage groove (10), and a storage groove (15) is communicated with one side, accomodate the inner chamber of recess (15) and be located the equal fixedly connected with reset spring (12) in both sides of rotating screw (11), reset spring (12) are kept away from one side fixedly connected with arc clamp plate (13) of accomodating recess (15) inner chamber, fixedly connected with location inserted bar (16) are located at the center of arc clamp plate (13) inner circle, one side that arc clamp plate (13) were kept away from in location inserted bar (16) extends to elasticity plum blossom post (3), the center fixedly connected with of department of arc clamp plate (13) outer lane surface supports cover (14), the inner circle of storing up recess (10) is provided with hexagon socket head cap positioning bolt (2), hexagon socket head positioning bolt (2) are kept away from one side of storing up recess (10) and are run through and are rotated screw (11) and extend to the inner chamber that supports cover (14) and be sliding contact.

2. A conveniently connectable hydraulic pump spindle according to claim 1, wherein: the inner diameter of the storage groove (10) is larger than the outer diameter of the end part of the inner hexagonal positioning bolt (2), and the surface of the inner hexagonal positioning bolt (2) is connected with the inner cavity of the rotating screw hole (11) through threads.

3. A conveniently connectable hydraulic pump spindle according to claim 1, wherein: the surface of the arc-shaped pressing plate (13) is in sliding contact with the inner cavity of the containing groove (15), and the radian of the inner ring of the arc-shaped pressing plate (13) is identical to that of the surface of the outer ring of the elastic plum blossom pillar (3).

4. A conveniently connectable hydraulic pump spindle according to claim 1, wherein: the surface of the outer ring of the elastic plum blossom pillar (3) is tightly matched with the inner cavity of the in-out slot (9), and a gap is reserved between one corresponding sides of the two flange plates (4).

5. A conveniently connectable hydraulic pump spindle according to claim 1, wherein: the left side of connecting axle (1) and external mechanical equipment fixed connection, the right side of main shaft body (5) and integral key shaft (7) all extend to in the hydraulic pump.