CN210898723U

CN210898723U - Rear end cover structure of hydraulic motor

Info

Publication number: CN210898723U
Application number: CN201922307710.XU
Authority: CN
Inventors: 孔艺
Original assignee: Zhenjiang Daxing Machinery Manufacturing Co ltd
Current assignee: Zhenjiang Daxing Machinery Manufacturing Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-06-30
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a rear end cover structure of a hydraulic motor, which comprises a rear end cover body, wherein a stator shell is fixed on the front end surface of the rear end cover body, an oil distribution disc is fixed on the front end surface of the stator shell, an outer shell is fixed on the front end surface of the oil distribution disc, the rear end cover body, the stator shell, the oil distribution disc and the outer shell are fixedly connected through fastening bolts, retainer ring grooves are respectively fixed on the two side surfaces of the stator shell and one side surface of the outer shell, positioning retainer rings are respectively fixed on the inner side surface of the rear end cover body and the two side surfaces of the oil distribution disc, flange gaskets are fixed on the inner side surfaces of the fastening bolt nuts, anti-loosening blocks are fixed on the inner side surfaces of the flange gaskets, anti-loosening clamping grooves are fixed in the middle parts of the anti-, this hydraulic motor rear end cap structure, the quick accurate location of being convenient for, effectual fastening bolt that prevents becomes flexible causes the sealed damage of faying face to take place to leak.

Description

Rear end cover structure of hydraulic motor

Technical Field

The utility model belongs to the technical field of hydraulic motor, concretely relates to hydraulic motor rear end cap structure.

Background

The hydraulic motor uses liquid as working medium, and utilizes the pressure energy of the liquid to transmit power, thereby obtaining the required linear reciprocating motion or rotary motion. The hydraulic pressure has the characteristics of large transmission power, easy transmission and configuration and the like, and is widely applied in industrial and civil industries. Compared with mechanical transmission and electric transmission, the hydraulic motor transmission has the following advantages: various elements driven by the hydraulic motor can be conveniently and flexibly arranged according to requirements; the weight is light, the volume is small, the motion inertia is small, and the reaction speed is high; the control is convenient, the stepless speed regulation in a large range can be realized, and the overload protection can be automatically realized; mineral oil is generally adopted as a working medium, the relative motion surface can be automatically lubricated, and the service life is long; the linear motion is realized very easily, the automation of machine is realized very easily, and current hydraulic motor rear end cap structure is when connecting, and the accurate positioning of not being convenient for is connected, and the part easily takes place the skew, influences the connection efficiency, and hydraulic motor is in long-time after using because of fastening bolt becomes flexible the sealed damage of faying face and takes place to leak to influence the use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic motor rear end cap structure to when solving the connection, be not convenient for pinpoint, hydraulic motor takes place not hard up problem at long-time back fastening bolt that uses.

In order to achieve the above object, the utility model provides a following technical scheme: a rear end cover structure of a hydraulic motor comprises a rear end cover body, wherein a stator shell is fixed on the surface of the front end of the rear end cover body, an oil distribution disc is fixed on the surface of the front end of the stator shell, an outer shell is fixed on the surface of the front end of the oil distribution disc, the rear end cover body, the stator shell, the oil distribution disc and the outer shell are fixedly connected through fastening bolts, clamping ring grooves are fixed on the two side surfaces of the stator shell and one side surface of the outer shell through mold casting, positioning clamping rings are fixed on the inner side surface of the rear end cover body and the two side surfaces of the oil distribution disc through mold casting, countersunk holes are fixed on the four corners of the back side of the rear end cover body through mold casting, flange gaskets are fixed on the inner side surfaces of the fastening bolt nuts through mold cold heading, anti-loosening blocks are fixed on the inner side surfaces of the flange gaskets through mold cold heading, anti, the top and the bottom of the rear end cover body are both provided with positioning holes through turning tools, and positioning plungers are fixed inside the positioning holes through thread engagement.

Preferably, a sealing ring is fixed among the rear end cover body, the stator shell, the oil distribution disc and the outer shell through a clamping groove.

Preferably, the rear end cover body, the stator shell, the oil distribution disc and the outer shell are fixedly clamped with the positioning clamping ring through clamping ring grooves.

Preferably, the positioning plunger penetrates through the positioning hole and is fixedly connected with the anti-loosening clamping groove.

Preferably, a sealing gasket is fixed at the bottom of the inner side of the countersunk head hole through a clamping groove.

Preferably, the anti-loosening block is of a cylindrical structure, and the outer diameter of the anti-loosening block is smaller than the inner diameter of the counter bore.

The utility model discloses a technological effect and advantage: this hydraulic motor rear end cap structure, carry out the joint through rand recess and location rand, the rear end cap body of being convenient for, stator housing, join in marriage quick accurate positioning when being connected between food tray and the shell body, the condition of avoiding the skew takes place, influence the connection efficiency, pass the locating hole and pass through screw thread interlock fastening connection through twisting the location plunger, make the plunger on location plunger top stretch into and fix a position in the locking draw-in groove at locking piece middle part, effectually prevent that hydraulic motor from causing the sealed damage of faying face to take place to leak because of fastening bolt is not hard up after long-time use, thereby the influence is used.

Drawings

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

FIG. 2 is an enlarged schematic view of the area A of the present invention;

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

In the figure: 1-a rear end cover body, 2-a sealing ring, 3-a stator shell, 4-an oil distribution disc, 5-an outer shell, 6-a retainer ring groove, 7-a positioning retainer ring, 8-a counter bore, 9-a fastening bolt, 10-a flange gasket, 11-an anti-loosening block, 12-an anti-loosening clamping groove, 13-a sealing gasket, 14-a positioning hole and 15-a positioning plunger.

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.

The utility model provides a hydraulic motor rear end cap structure as shown in the figure, which comprises a rear end cap body 1, a stator shell 3 is fixed on the front end surface of the rear end cap body 1 to play the role of fixing, an oil distribution disc 4 is fixed on the front end surface of the stator shell 3 to distribute high and low pressure oil paths, an outer shell 5 is fixed on the front end surface of the oil distribution disc 4 to protect and install the internal parts of the hydraulic motor, the rear end cap body 1, the stator shell 3, the oil distribution disc 4 and the outer shell 5 are fixedly connected through a fastening bolt 9, the rear end cap body 1, the stator shell 3, the oil distribution disc 4 and the outer shell 5 are connected into an integral structure, the two side surfaces of the stator shell 3 and one side surface of the outer shell 5 are respectively fixed with a clamping ring groove 6 through mould casting to play the role of connection, the positioning clamping ring 7 is fixed on the inner side surface of the rear end cap body 1, play the effect of connecting, 1 dorsal part four corners of rear end cap body all is fixed with counter sink 8 through the mould casting, play the effect that holds, fastening bolt 9 nut inboard surface is fixed with flange gasket 10 through the mould cold-heading, play increase area of contact, reduce pressure and prevent not hard up effect, 10 inboard surfaces of flange gasket are fixed with anti-loosening block 11 through the mould cold-heading, play fixed effect, anti-loosening block 11 middle part is fixed with locking draw-in groove 12 through the mould cold-heading, play the effect of joint, 1 top of rear end cap body and bottom both sides all open through the lathe tool have locating hole 14, play the effect of location, 14 inside screw thread interlocks through the locating plunger 15 that is fixed with of locating hole, play the effect of location.

Concretely, be fixed with sealing washer 2 through the draw-in groove between rear end cap body 1, stator housing 3, join in marriage the food tray 4 and the shell body 5, play sealed effect, prevent that hydraulic oil from leaking outward.

Particularly, the rear end cover body 1, the stator shell 3, the oil distribution disc 4 and the outer shell 5 are fixedly connected with the positioning clamping ring 7 through the clamping ring groove 6, so that the functions of facilitating connection and preventing deviation are achieved.

Specifically, the positioning plunger 15 penetrates through the positioning hole 14 to be fixedly connected with the anti-loosening clamping groove 12, and plays a role in preventing loosening.

Specifically, a sealing gasket 13 is fixed at the bottom of the inner side of the counter bore 8 through a clamping groove, so that the sealing effect is achieved, and hydraulic oil is prevented from leaking outwards.

Specifically, locking piece 11 shape is cylindrical structure, and locking piece 11 external diameter is less than 8 internal diameters of counter sink, is convenient for hold the installation.

The working principle is as follows: in the use process of the rear end cover structure of the hydraulic motor, a rear end cover body 1, a stator shell 3, an oil distribution disc 4 and an outer shell 5 are sequentially connected with a positioning clamping ring 7 in a clamping and fixing way through a clamping ring groove 6, a fastening bolt 9 is sequentially screwed to penetrate through the rear end cover body 1, the stator shell 3, the oil distribution disc 4 and the outer shell 5 to form an integral structure, an anti-loosening block 11 is accommodated in a counter bore 8, a flange gasket 10 is fastened outside the counter bore 8 through friction torque to enable the fastening bolt 9 to finish fastening, the anti-loosening block 11, the flange gasket 10 and the fastening bolt 9 are of an integral structure, the sealing ring 2 is extruded to enable the rear end cover body 1, the stator shell 3, the oil distribution disc 4 and the outer shell 5 to be in sealing connection, a positioning plunger 15 is sequentially screwed to penetrate through a positioning hole 14 to enable a plunger at the top end of the positioning plunger 15 to extend into an, the positioning hole 14 and the positioning plunger 15 are relatively positioned under the action force of thread engagement, the fastening bolt 9 is fastened through the fastening matching of the positioning plunger 15 and the anti-loosening clamping groove 12, the fastening bolt 9 is prevented from loosening, and therefore the using process of the whole hydraulic motor rear end cover structure is completed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a hydraulic motor rear end cap structure, includes rear end cap body (1), its characterized in that: the stator cover is characterized in that a stator shell (3) is fixed on the surface of the front end of the rear end cover body (1), an oil distribution disc (4) is fixed on the surface of the front end of the stator shell (3), an outer shell (5) is fixed on the surface of the front end of the oil distribution disc (4), the rear end cover body (1), the stator shell (3), the oil distribution disc (4) and the outer shell (5) are fixedly connected through fastening bolts (9), clamping ring grooves (6) are fixed on the surfaces of two sides of the stator shell (3) and one side of the outer shell (5) through die casting, positioning clamping rings (7) are fixed on the surfaces of the inner side of the rear end cover body (1) and the surfaces of two sides of the oil distribution disc (4) through die casting, countersunk holes (8) are fixed on four corners of the back side of the rear end cover body (1) through die casting, and flange gaskets (10) are fixed on, flange gasket (10) inboard surface is fixed with through the mould cold-heading and prevents loose piece (11), prevent loose piece (11) middle part and be fixed with locking draw-in groove (12) through the mould cold-heading, rear end cap body (1) top and bottom both sides are all opened through the lathe tool has locating hole (14), locating hole (14) are inside to be fixed with location plunger (15) through the screw thread interlock.

2. A hydraulic motor rear end cover structure according to claim 1, wherein: and a sealing ring (2) is fixed between the rear end cover body (1), the stator shell (3), the oil distribution disc (4) and the outer shell (5) through a clamping groove.

3. A hydraulic motor rear end cover structure according to claim 1, wherein: the rear end cover body (1), the stator shell (3), the oil distribution disc (4) and the outer shell (5) are fixedly connected with the positioning clamping ring (7) in a clamping mode through the clamping ring groove (6).

4. A hydraulic motor rear end cover structure according to claim 1, wherein: and the positioning plunger (15) penetrates through the positioning hole (14) and is fixedly connected with the anti-loosening clamping groove (12).

5. A hydraulic motor rear end cover structure according to claim 1, wherein: and a sealing gasket (13) is fixed at the bottom of the inner side of the counter bore (8) through a clamping groove.

6. A hydraulic motor rear end cover structure according to claim 1, wherein: the anti-loosening block (11) is of a cylindrical structure, and the outer diameter of the anti-loosening block (11) is smaller than the inner diameter of the counter bore (8).