CN212616165U

CN212616165U - High-thrust driver

Info

Publication number: CN212616165U
Application number: CN202021019052.0U
Authority: CN
Inventors: 周志辉
Original assignee: Kaiduo Intelligent Technology Shanghai Co ltd
Current assignee: Kaiduo Intelligent Technology Shanghai Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-02-26
Anticipated expiration: 2030-06-05

Abstract

The utility model relates to a high thrust driver, which belongs to the technical field of mechanical transmission equipment and comprises a box body, a speed reducer and a servo motor, wherein a driving wheel, a synchronous belt and a driven wheel are arranged in the box body, the driven wheel is fixedly connected with a ball screw, the ball screw is sleeved with a screw nut and an outer sleeve, the screw nut is fixedly sleeved with an inner sleeve, the inner sleeve is matched with a limit groove of the outer sleeve through a limit bulge, the servo motor drives the driven wheel to rotate through the driving wheel and the synchronous belt after deceleration, and further drives the ball screw to rotate, the inner sleeve converts the rotation of the screw nut relative to the ball screw into axial movement under the action of the limit bulge and the limit groove, thereby providing driving force at the front end of the inner sleeve, the driving force is converted by the servo motor in pure mechanical transmission, the short part, and the pushing force is controlled more accurately, the maintenance is easy, the hydraulic oil does not need to be replaced periodically, and the cost is saved.

Description

High-thrust driver

Technical Field

The utility model relates to a mechanical transmission equipment technical field, in particular to big thrust driver.

Background

In the technical field of mechanical transmission equipment, most of drivers are driven by hydraulic pressure, so that the hydraulic oil needs to be periodically replaced, and the use cost of the drivers is increased; in addition, in consideration of the problem of hydraulic pressure, the driving force of the hydraulic actuator is small, when large driving force is needed, a plurality of actuators are often needed to work simultaneously, and the hydraulic actuator is often influenced by space.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect of the prior art, the utility model provides a high thrust driver, servo motor drive from the driving wheel rotation through action wheel and hold-in range drive after the speed reducer slows down, and then under ball screw and screw-nut's cooperation, can provide enough big drive power for the inner skleeve.

The technical scheme for realizing the purpose is as follows:

the utility model provides a high thrust driver, which comprises a box body, a speed reducer and a servo motor, wherein the servo motor is fixedly arranged on one side of the box body through the speed reducer;

the box body is also internally provided with a driving wheel sleeved at the output end of the speed reducer, a synchronous belt sleeved on the driving wheel and a driven wheel which is synchronously and rotationally connected with the driving wheel through the synchronous belt, the inner ring of the driven wheel is fixedly connected with a ball screw, and the ball screw and the speed reducer protrude out of the box body in the same direction;

the ball screw is sleeved with a screw nut, the screw nut consists of a nut head close to the box body and a nut body far away from the box body, the nut body is sleeved with an inner sleeve, one end, close to the box body, of the inner sleeve is fixedly connected to the nut head, the other end of the inner sleeve extends towards the direction far away from the box body, and the inner sleeve is provided with a limiting bulge vertically protruding out of the inner sleeve;

ball screw still overlaps and is equipped with the outer sleeve, the stiff end of outer sleeve is fixed inlay to be located the box, and rotate through bearing arrangement connect in ball screw's outer lane, the extension pot head of outer sleeve is located the inner skleeve, and follows the length direction of ball screw be equipped with spacing protruding matched with spacing recess.

Further, spacing arch is located by position sleeve and an organic whole the position sleeve outlying a plurality of is protruding to be constituteed, the position sleeve card is located the nut head with between the inner skleeve, and the cover is located on the nut body, nut head, position sleeve and inner skleeve pass through the screw and can dismantle the connection, make things convenient for the dismouting of position sleeve and inner skleeve, and the structure is compacter simultaneously, and the relation of connection is firm between nut head, position sleeve and the inner skleeve.

Furthermore, a sealing device is arranged at one end, far away from the box body, of the outer sleeve, and the sealing device is in clearance fit with the outer ring of the inner sleeve and used for forming sealing between the inner sleeve and the outer sleeve and preventing dust and other impurities from entering the box body.

Furthermore, the inner skleeve is kept away from the one end of box is installed and is changeed the spiale, the front driving plate is installed to the other end of changeing the spiale, through setting up the spiale, makes things convenient for the front driving plate of different specifications of inner skleeve connection for the drive.

Furthermore, a rear mounting seat is installed at one end, far away from the speed reducer, of the box body, so that the large-thrust driver can be conveniently and fixedly installed.

Furthermore, the high-thrust driver further comprises a hanging plate, one end of the bottom of the hanging plate is mounted at the top of the rear mounting seat, the other end of the bottom of the hanging plate is mounted at the top of the front driving plate, and the top of the hanging plate is provided with a plurality of hanging rings, so that the high-thrust driver can be conveniently lifted and operated.

Furthermore, an annular groove is coaxially formed in the outer ring of the outer sleeve and close to the box body, an annular pressing sheet is arranged in the annular groove and is installed on the box body through screws and used for fixing the outer sleeve, preventing the outer sleeve from rotating along with the inner sleeve and enhancing the connection strength of the outer sleeve and the box body.

Has the advantages that: compared with the prior art, the utility model is different in that the high thrust driver provided by the utility model comprises a box body, a speed reducer and a servo motor, a driving wheel, a synchronous belt and a driven wheel are arranged in the box body, the driven wheel is fixedly connected with a ball screw, the ball screw is sleeved with a screw nut and an outer sleeve, the screw nut is fixedly sleeved with the inner sleeve, the inner sleeve is matched with a limit groove of the outer sleeve through a limit bulge, the servo motor drives the driven wheel to rotate through the driving wheel and the synchronous belt after deceleration, and further drives the ball screw to rotate, the inner sleeve converts the rotation of the screw nut relative to the ball screw into axial movement under the limit action of the limit bulge and the limit groove, thereby providing driving force at the front end of the inner sleeve, the short part limited by hydraulic oil pressure is avoided under the conversion of pure, the large-thrust driver has the advantages that large thrust can be provided, the thrust is controlled to be more accurate, the transmission precision is higher, the large-thrust driver is easy to maintain, hydraulic oil does not need to be periodically replaced, and the cost is saved more.

Drawings

Fig. 1 is a schematic structural diagram of a high thrust driver according to a preferred embodiment of the present application.

FIG. 2 is a front cross-sectional view of a high thrust actuator in accordance with a preferred embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a of fig. 2 of the present application.

FIG. 4 is a top cross-sectional view of a high thrust driver in accordance with a preferred embodiment of the present application.

The device comprises a box body 1, a driving wheel 11, a synchronous belt 12, a driven wheel 13, a rear mounting seat 14, a speed reducer 2, an output end 21, a servo motor 3, a ball screw 4, a screw nut 5, a screw nut 51, a nut body 52, an inner sleeve 6, a limiting protrusion 61, a positioning sleeve 62, a protrusion 63, an outer sleeve 7, a fixed end 71, a bearing device 72, an extending end 73, a limiting groove 74, a sealing device 75, an annular pressing sheet 76, an 8-rotating shaft, a front driving plate 81, a hanging plate 9 and a hanging ring 91.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Referring to fig. 1 to 4, the utility model provides a high thrust driver, which comprises a box body 1, a speed reducer 2 and a servo motor 3, wherein the servo motor 3 is fixedly installed on the right side of the box body 1 through the speed reducer 2, the servo motor 3 is rotatably connected with the speed reducer 2, and an output end 21 of the speed reducer 2 is positioned in the box body 1;

the box body 1 is also internally provided with a driving wheel 11 sleeved at an output end 21 of the speed reducer 2, a synchronous belt 12 sleeved on the driving wheel 11 and a driven wheel 13 which is connected with the driving wheel 11 through the synchronous belt 12 in a synchronous rotating manner, an inner ring of the driven wheel 13 is fixedly connected with a ball screw 4, the ball screw 4 penetrates out of the box body 1 rightwards and extends to the outside of the box body 1, the servo motor 3 drives the driving wheel 11 to rotate after being decelerated by the speed reducer 2, and the driving wheel 11 drives the driven wheel 13 to rotate through the synchronous belt 12, so that the ball screw 4 and the driven wheel 13 rotate together;

the ball screw 4 is sleeved with a screw nut 5, the screw nut 5 is in running fit with the ball screw 4, the screw nut 5 consists of a nut head 51 close to the box body 1 and a nut body 52 far away from the box body 1, the nut body 52 is sleeved with an inner sleeve 6, the left end of the inner sleeve 6 is fixedly connected with the nut head 51, so that the inner sleeve 6 and the screw nut 5 are fixed together, the right end of the inner sleeve 6 extends towards the direction far away from the box body 1, and the inner sleeve 6 is provided with a limiting bulge 61 vertically protruding out of the inner sleeve 6;

ball screw 4 still overlaps and is equipped with outer sleeve 7, the stiff end 71 of outer sleeve 7 left end is fixed to be inlayed and is located box 1, and rotate through bearing device 72 connect in ball screw 4's outer lane, the extension end 73 cover of outer sleeve 7 right-hand member is located inner skleeve 6, and follows ball screw 4's length direction be equipped with spacing protruding 61 matched with spacing recess 74, when inner skleeve 6 rotates along with screw-nut 5, through the rotation of spacing protruding 61 of spacing recess 74 restriction to make inner skleeve 6's axial rotation turn into and control the removal along ball screw 4 axial, thereby control inner skleeve 6 is to the internal withdrawal or outwards stretch out for provide big thrust.

Preferably, spacing arch 61 is located by position sleeve 62 and an organic whole a plurality of protruding 63 of position sleeve 62 outlying are constituteed, position sleeve 62 card is located nut head 51 with between inner skleeve 6, and the cover is located on the nut body 52, nut head 51, position sleeve 62 and inner skleeve 6 pass through the screw and can dismantle the connection, make things convenient for position sleeve 62 and inner skleeve 6's dismouting, and the structure is compacter simultaneously, and the relation of connection between nut head 51, position sleeve 62 and the inner skleeve 6 is more firm.

Preferably, the right-hand member of outer sleeve 7 is equipped with sealing device 75, and this sealing device 75 can be threaded sleeve cooperation skeleton oil blanket, and threaded sleeve overlaps and establishes in the outer lane of inner skleeve 6 to the spiro union is at the inner circle of outer sleeve 7, and the skeleton oil blanket sets up the inboard at threaded sleeve, sealing device with the outer lane clearance fit of inner skleeve 6 for form sealedly between inner skleeve 6 and outer sleeve 7, prevent the entering of debris such as dust, avoid influencing ball screw 4 and screw nut 5's normal running fit, avoid spacing protruding 61 and spacing recess 74's sliding fit simultaneously.

Preferably, the right end of the inner sleeve 6 is provided with the transfer shaft 8, the right end of the transfer shaft 8 is provided with the front driving plate 81, and the inner sleeve 6 is conveniently connected with the front driving plates 81 with different specifications through the arrangement of the transfer shaft 5 for driving.

Preferably, the left end of the box body 1 is provided with a rear mounting seat 14 to facilitate the mounting and fixing of the high-thrust driver.

Preferably, in consideration of the heavy weight of the servo motor 3, the reducer 2 and other devices, the high thrust actuator is further provided with a hanging plate 9, the left end of the bottom of the hanging plate 9 is mounted on the top of the rear mounting seat 15, the right end of the bottom of the hanging plate 9 is mounted on the top of the front driving plate 81, and the top of the hanging plate 9 is provided with two hanging rings 91, so that the high thrust actuator is convenient to lift and operate and convenient to use.

Preferably, an annular groove is coaxially formed in the outer ring of the outer sleeve 7 close to the box body 1, an annular pressing sheet 76 is arranged in the annular groove, and the annular pressing sheet 76 is mounted on the box body 1 through screws and used for fixing the outer sleeve 7 and preventing the outer sleeve 7 from rotating together with the inner sleeve 6.

The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.

Claims

1. A high-thrust driver is characterized by comprising a box body, a speed reducer and a servo motor, wherein the servo motor is fixedly arranged on one side of the box body through the speed reducer, the servo motor is rotationally connected with the speed reducer, and the output end of the speed reducer is positioned in the box body;

the ball screw is further sleeved with an outer sleeve, the fixed end of the outer sleeve is fixedly embedded in the box body and is rotatably connected with the outer ring of the ball screw through a bearing device, the extending end sleeve of the outer sleeve is arranged on the inner sleeve, and the extending end sleeve of the outer sleeve is arranged on the inner sleeve and is arranged along the length direction of the ball screw and is provided with a limiting groove matched with the limiting protrusion.

2. The high thrust driver as claimed in claim 1, wherein said limiting protrusion is composed of a positioning sleeve and a plurality of protrusions integrally formed on the periphery of said positioning sleeve, said positioning sleeve is clamped between said nut head and said inner sleeve and sleeved on said nut body, and said nut head, said positioning sleeve and said inner sleeve are detachably connected by screws.

3. The high thrust driver as set forth in claim 1, wherein an end of said outer sleeve remote from said housing is provided with a sealing means which is a clearance fit with an outer race of said inner sleeve.

4. The high thrust driver as claimed in claim 1, wherein one end of said inner sleeve remote from said case is mounted with a transfer shaft, and the other end of said transfer shaft is mounted with a front driving plate.

5. The high thrust driver as claimed in claim 4, wherein a rear mounting seat is mounted to an end of said housing remote from said reducer.

6. The high thrust driver as claimed in claim 5, further comprising a hanger plate, wherein one end of the bottom of said hanger plate is mounted on the top of said rear mounting base, and the other end of said hanger plate is mounted on the top of said front driving plate, and a plurality of hanging rings are provided on the top of said hanger plate.

7. The high thrust driver as claimed in claim 1, wherein an annular groove is coaxially provided at the outer ring of said outer sleeve close to said case, an annular pressing piece is provided in said annular groove, and said annular pressing piece is mounted to said case by means of screws.