CN219262829U

CN219262829U - Telescopic rotary hydraulic cylinder

Info

Publication number: CN219262829U
Application number: CN202222987168.9U
Authority: CN
Inventors: 葛本利; 徐宁宁
Original assignee: Shenyang Hansen Technology Co ltd
Current assignee: Shenyang Hansen Technology Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-06-27
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses a telescopic rotary hydraulic cylinder, which is characterized in that a hydraulic cylinder arranged in a telescopic rotary hydraulic cylinder main body is driven by a driving motor to rotate, a ball screw is matched with a ball screw nut, so that friction force is reduced, and the screw connection is smoother and the operation is stable; a stable installation structure is arranged between the outer wall of the hydraulic cylinder and the cylindrical shell, so that the installation stability of the hydraulic cylinder is enhanced; the rotary connecting structure is assembled at the positions of the lower end of the hydraulic cylinder, the output upper end of the driving motor and the corresponding position of the cylindrical shell, so that the stability of rotary connection between the hydraulic cylinder and the output upper end of the driving motor can be improved; install on other equipment through stable unable adjustment base, the clearance can be offset to the spring bolt structure, prevents not hard up, improves stability.

Description

Telescopic rotary hydraulic cylinder

Technical Field

The utility model relates to the technical field of hydraulic cylinders, in particular to a telescopic rotary hydraulic cylinder.

Background

The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion. The device has simple structure and reliable operation. When it is used to realize reciprocating motion, it can eliminate speed reducer, and has no transmission clearance and smooth motion, so that it can be widely used in hydraulic systems of various machines.

The prior art has the following problems: most of the existing telescopic rotary hydraulic cylinders have the problem of poor stability, and the devices are easy to loose due to vibration and the like in the use process, so that the telescopic rotary hydraulic cylinder has strong practicability and can enhance the connection stability among the devices of the telescopic rotary hydraulic cylinder.

Disclosure of Invention

The utility model aims to provide a telescopic rotary hydraulic cylinder so as to solve the problems in the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a flexible rotation type pneumatic cylinder, includes flexible rotation type pneumatic cylinder main part, flexible rotation type pneumatic cylinder main part includes the cylinder shell, cylinder shell upper surface middle part embedding is equipped with ball screw nut, cylinder shell inner chamber bottom surface is pegged graft there is the pneumatic cylinder, all fixedly connected with stable mounting structure between pneumatic cylinder outer wall upper and lower both sides and the cylinder shell, flexible upper end of pneumatic cylinder passes through flange fixedly connected with ball screw, ball screw middle part spiro union is in ball screw nut, and ball screw upper end fixedly mounted has the mounting panel, cylinder shell bottom surface welded fastening has driving motor, driving motor's output upper end, pneumatic cylinder lower extreme and cylinder shell correspond position department and are equipped with rotation connection structure, position fixed mounting has stable unable adjustment base between cylinder shell outer wall and the driving motor outer wall.

According to the technical scheme, stable mounting structure includes the lantern ring of fixed mounting in the pneumatic cylinder outer wall, the even integrated into one piece in the left and right sides of lantern ring edge has the connecting plate, the left and right sides wall spiro union of cylinder shell has first fixing bolt, the inboard end spiro union of first fixing bolt is on the connecting plate.

According to the technical scheme, the rotary connection structure comprises a fixed ring inserted into the lower end of the inner cavity of the cylindrical shell, a bearing is fixedly assembled on the inner annular surface of the fixed ring, the outer wall of the output upper end of the driving motor is fixedly assembled on the inner annular surface of the bearing, the output upper end of the driving motor is fixedly connected to the middle part of the bottom surface of the hydraulic cylinder, the left side wall and the right side wall of the cylindrical shell are in threaded connection with second fixing bolts, the inner side ends of the second fixing bolts are in threaded connection with the outer wall of the fixed ring, the outer wall of the second fixing bolts is sleeved with a spring washer, and the spring washer is positioned between a nut of the second fixing bolt and the outer wall of the cylindrical shell.

According to the technical scheme, the stable fixed base comprises an upper circular ring fixedly sleeved at the lower end of the outer wall of the cylindrical shell, a lower circular ring is fixedly sleeved at the lower end of the outer wall of the driving motor, and spring bolt structures are respectively arranged in the front, the back, the left and the right of the upper circular ring and the lower circular ring.

According to the technical scheme, the spring bolt structure comprises a long rod bolt penetrating through the edges of the upper circular ring and the lower circular ring, a limiting ring is integrally formed in the middle of the long rod bolt, springs are sleeved on the upper side and the lower side of the outer wall of the long rod bolt, the inner side ends of the springs are abutted to the limiting ring, and the outer side ends of the springs are abutted to the upper circular ring and the lower circular ring.

Compared with the prior art, the utility model has the following beneficial effects:

according to the telescopic rotary hydraulic cylinder, the hydraulic cylinder arranged in the telescopic rotary hydraulic cylinder body is driven by the driving motor to rotate, the ball screw is matched with the ball screw nut, so that friction force is reduced, the screw connection is smoother, and the operation is stable; a stable installation structure is arranged between the outer wall of the hydraulic cylinder and the cylindrical shell, so that the installation stability of the hydraulic cylinder is enhanced; the rotary connecting structure is assembled at the positions of the lower end of the hydraulic cylinder, the output upper end of the driving motor and the corresponding position of the cylindrical shell, so that the stability of rotary connection between the hydraulic cylinder and the output upper end of the driving motor can be improved; install on other equipment through stable unable adjustment base, the clearance can be offset to the spring bolt structure, prevents not hard up, improves stability.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the main body structure of the telescopic rotary hydraulic cylinder of the present utility model;

fig. 3 is a schematic view of the structure of the stable fixing base of the present utility model.

In the figure: 1-telescopic rotary hydraulic cylinder main body, 11-cylindrical shell, 12-ball screw nut, 13-hydraulic cylinder, 14-stable mounting structure, 141-lantern ring, 142-connecting plate, 143-first fixing bolt, 15-ball screw, 2-mounting plate, 3-driving motor, 4-rotation connecting structure, 41-threaded hole, 42-second fixing bolt, 43-spring washer, 5-stable fixing base, 51-upper circular ring, 52-lower circular ring, 53-spring bolt structure, 531-long rod bolt, 532-spacing ring, 533-spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides the following technical solutions: the utility model provides a flexible rotation type pneumatic cylinder, including flexible rotation type pneumatic cylinder main part 1, flexible rotation type pneumatic cylinder main part 1 includes cylindrical shell 11, cylindrical shell 11 upper surface middle part embedding is equipped with ball screw nut 12, cylindrical shell 11 inner chamber bottom surface is pegged graft and is had pneumatic cylinder 13, all fixedly connected with stabilizes mounting structure 14 between pneumatic cylinder 13 outer wall upper and lower both sides and the cylindrical shell 11, the flexible upper end of pneumatic cylinder 13 passes through flange fixedly connected with ball screw 15, ball screw 15 middle part spiro union is in ball screw nut 12, and ball screw 15 upper end fixed mounting has mounting panel 2, cylindrical shell 11 bottom surface welded fastening has driving motor 3, driving motor 3's output upper end, pneumatic cylinder 13 lower extreme and cylindrical shell 11 correspond position department and are equipped with rotation connection structure 4, the fixed mounting has stable unable adjustment base 5 between cylindrical shell 11 outer wall and the driving motor 3 outer wall.

The hydraulic cylinder 13 arranged in the telescopic rotary type hydraulic cylinder main body 1 is driven by the driving motor 3 to rotate, the ball screw 15 is matched with the ball screw nut 12, friction is reduced, the screw connection is smoother, and the operation is stable; a stable mounting structure 14 is arranged between the outer wall of the hydraulic cylinder 13 and the cylindrical shell 11, so that the mounting stability of the hydraulic cylinder 13 is enhanced; the rotary connecting structure 4 is assembled at the positions of the lower end of the hydraulic cylinder 13, the output upper end of the driving motor 3 and the corresponding position of the cylindrical shell 11, so that the stability of rotary connection between the hydraulic cylinder 13 and the output upper end of the driving motor 3 can be improved; through stabilizing fixed base 5 and installing on other equipment, the clearance can be offset to the spring bolt structure 53, prevents not hard up, improves stability.

Specifically, the stable installation structure 14 includes a collar 141 fixedly assembled to the outer wall of the hydraulic cylinder 13, connecting plates 142 are integrally formed on the left and right sides of the edge of the collar 141, first fixing bolts 143 are screwed to the left and right side walls of the cylindrical housing 11, and inner ends of the first fixing bolts 143 are screwed to the connecting plates 142.

Specifically, the rotary connection structure 4 comprises a fixed ring 41 inserted into the lower end of the inner cavity of the cylindrical shell 11, a bearing 44 is fixedly assembled on the inner annular surface of the fixed ring 41, the outer wall of the output upper end of the driving motor 3 is fixedly assembled on the inner annular surface of the bearing 44, the output upper end of the driving motor 3 is fixedly connected to the middle part of the bottom surface of the hydraulic cylinder 13, the left side wall and the right side wall of the cylindrical shell 11 are in threaded connection with a second fixed bolt 42, the inner side end of the second fixed bolt 42 is in threaded connection with the outer wall of the fixed ring 41, a spring washer 43 is sleeved on the outer wall of the second fixed bolt 42, and the spring washer 43 is positioned between the nut of the second fixed bolt 42 and the outer wall of the cylindrical shell 11; the spring washer 43 has elasticity, can offset the clearance excessively, prevents not hard up, improves stability, and the second fixing bolt 42 is used for spacing the position of solid fixed ring 41, sets up through bearing 44 for the rotation is connected more smoothly.

Specifically, the stable fixing base 5 comprises an upper ring 51 fixedly sleeved on the lower end of the outer wall of the cylindrical shell 11, a lower ring 52 fixedly sleeved on the lower end of the outer wall of the driving motor 3, and spring bolt structures 53 respectively arranged on the front, the rear, the left and the right of the upper ring 51 and the lower ring 52.

Specifically, the spring bolt structure 53 includes a long rod bolt 531 penetrating through the edges of the upper ring 51 and the lower ring 52, a limiting ring 532 is integrally formed in the middle of the long rod bolt 531, springs 533 are sleeved on the upper and lower sides of the outer wall of the long rod bolt 531, inner side ends of the springs 533 on the upper and lower sides are abutted against the limiting ring 532, and outer side ends of the springs 533 on the upper ring 51 and the lower ring 52 respectively.

Working principle:

according to the telescopic rotary hydraulic cylinder, the hydraulic cylinder 13 arranged in the telescopic rotary hydraulic cylinder main body 1 is driven by the driving motor 3 to rotate, the ball screw 15 is matched with the ball screw nut 12, so that friction force is reduced, the screw connection is smoother, and the operation is stable; a stable mounting structure 14 is arranged between the outer wall of the hydraulic cylinder 13 and the cylindrical shell 11, so that the mounting stability of the hydraulic cylinder 13 is enhanced; the rotary connecting structure 4 is assembled at the positions of the lower end of the hydraulic cylinder 13, the output upper end of the driving motor 3 and the corresponding position of the cylindrical shell 11, so that the stability of rotary connection between the hydraulic cylinder 13 and the output upper end of the driving motor 3 can be improved; through stabilizing fixed base 5 and installing on other equipment, the clearance can be offset to the spring bolt structure 53, prevents not hard up, improves stability.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A telescopic rotary hydraulic cylinder, characterized in that: including flexible rotary type pneumatic cylinder main part (1), flexible rotary type pneumatic cylinder main part (1) includes cylinder shell (11), cylinder shell (11) upper surface middle part embedding is equipped with ball screw nut (12), cylinder shell (11) inner chamber bottom surface is pegged graft and is had pneumatic cylinder (13), all fixedly connected with between pneumatic cylinder (13) outer wall upper and lower both sides and cylinder shell (11) stabilizes mounting structure (14), the flexible upper end of pneumatic cylinder (13) is through flange fixedly connected with ball screw (15), ball screw (15) middle part spiro union is in ball screw nut (12), and ball screw (15) upper end fixed mounting has mounting panel (2), cylinder shell (11) bottom surface welded fastening has driving motor (3), the output upper end of driving motor (3), pneumatic cylinder (13) lower extreme and cylinder shell (11) correspond position department and are equipped with rotation connection structure (4), position fixed mounting has between cylinder shell (11) outer wall and driving motor (3) outer wall stabilizes unable adjustment base (5).

2. A telescopic rotary hydraulic cylinder according to claim 1, wherein: the stable installation structure (14) comprises a lantern ring (141) fixedly assembled on the outer wall of the hydraulic cylinder (13), connecting plates (142) are integrally formed on the left side and the right side of the edge of the lantern ring (141), first fixing bolts (143) are screwed on the left side wall and the right side wall of the cylindrical shell (11), and the inner side ends of the first fixing bolts (143) are screwed on the connecting plates (142).

3. A telescopic rotary hydraulic cylinder according to claim 1, wherein: the rotary connecting structure (4) comprises a fixed ring (41) inserted into the lower end of the inner cavity of the cylindrical shell (11), a bearing (44) is fixedly assembled on the inner ring surface of the fixed ring (41), the outer wall of the upper output end of the driving motor (3) is fixedly assembled on the inner ring surface of the bearing (44), the upper output end of the driving motor (3) is fixedly connected with the middle part of the bottom surface of the hydraulic cylinder (13), the left side wall and the right side wall of the cylindrical shell (11) are in threaded connection with a second fixing bolt (42), the inner side end of the second fixing bolt (42) is in threaded connection with the outer wall of the fixed ring (41), a spring washer (43) is sleeved on the outer wall of the second fixing bolt (42), and the spring washer (43) is positioned between a nut of the second fixing bolt (42) and the outer wall of the cylindrical shell (11).

4. A telescopic rotary hydraulic cylinder according to claim 1, wherein: the stabilizing and fixing base (5) comprises an upper circular ring (51) fixedly sleeved at the lower end of the outer wall of the cylindrical shell (11), a lower circular ring (52) is fixedly sleeved at the lower end of the outer wall of the driving motor (3), and spring bolt structures (53) are respectively arranged in the front, the back, the left and the right of the upper circular ring (51) and the lower circular ring (52).

5. The telescopic rotary hydraulic cylinder according to claim 4, wherein: the spring bolt structure (53) comprises a long rod bolt (531) penetrating through the edges of the upper circular ring (51) and the lower circular ring (52), a limiting ring (532) is integrally formed in the middle of the long rod bolt (531), springs (533) are sleeved on the upper side and the lower side of the outer wall of the long rod bolt (531), the inner side ends of the springs (533) are abutted to the limiting ring (532), and the outer side ends of the springs (533) are abutted to the upper circular ring (51) and the lower circular ring (52) respectively.