CN211220357U

CN211220357U - Rotary mechanical locking device

Info

Publication number: CN211220357U
Application number: CN201921819479.6U
Authority: CN
Inventors: 张勇; 张铁军; 贺轶斐; 杨向天
Original assignee: SHANGHAI AVIATION MACHINERY CO Ltd
Current assignee: SHANGHAI AVIATION MACHINERY CO Ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-08-11
Anticipated expiration: 2029-10-28

Abstract

The utility model belongs to the technical field of locking device, especially a rotary mechanical locking device, including base, bearing, rotary rod, revolving stage, lift, lifter, fixing base, pole setting and lever, the cover is equipped with the bearing above the base, the bearing is inside interference connection with the rotary rod, fixed welding has the revolving stage above the rotary rod, the lift has been erect above the revolving stage, the lifter is connected above the lift, welding has the fixing base above the lifter; the utility model discloses simple structure utilizes lever principle can utilize the pressure of spring and the fixed ability of fixed block, locks fixedly to large-scale ball pivot, and certain elasticity is predetermine to the spring, makes the telescopic link produce ascending thrust all the time under the natural state, can fix a position fast, locks or loosens, makes things convenient for the change of circumference within range angle, simultaneously through the bearing that sets up, can realize locking device's rotation operation, realizes the angle modulation of device, can effectively increase the suitability of device.

Description

Rotary mechanical locking device

Technical Field

The utility model relates to a locking device field especially relates to a rotation type mechanical locking device.

Background

The large ball joint only allows the two parts to rotate relatively around a common spherical center, and the relative movement of the two parts in three directions is limited. The engineering background of the spherical hinge is a ball bearing, a fixed spherical hinge support and the like. The constraint force of the fixed spherical hinge support to the spherical part passes through the sphere center, and three components which are vertical to each other can be used for replacing the pending constraint force;

the large-scale spherical hinge is widely applied in the fields of helicopters, ships and the like, because of reasons such as machining precision, the starting torque of the spherical hinge within 360 degrees probably has deviation, if the deviation is too large, the influence can be caused to equipment use, so the starting torque of the spherical hinge needs to be measured irregularly, a plurality of angles within 360 degrees need to be measured, a measuring device needs to be positioned and locked in the circumferential direction, the traditional bolt and nut locking mode is too complicated to operate, and the working efficiency is influenced.

In order to solve the above problems, a rotary mechanical locking device is proposed in the present application.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a rotation type mechanical locking device utilizes lever principle can utilize the pressure of spring and the fixed ability of fixed block, it is fixed to lock large-scale ball pivot, certain elasticity is predetermine to the spring, make the telescopic link produce ascending thrust all the time under the natural state, can fix a position fast, lock or loosen, make things convenient for the change of angle in the circumference scope, through the bearing that sets up, can realize locking device's rotation operation, realize the angle modulation of device, can effectively increase the suitability of device.

(II) technical scheme

In order to solve the problems, the utility model provides a rotary mechanical locking device, which comprises a base, a bearing, a rotary rod, a rotary table, a lifter, a lifting rod, a fixed seat, a vertical rod and a lever, wherein the bearing is sleeved above the base, the rotary rod is connected inside the bearing in an interference manner, the rotary table is fixedly welded above the rotary rod, the lifter is erected above the rotary table, the lifting rod is connected above the lifter, the fixed seat is welded above the lifting rod, the upper part of the fixed seat is in bolted connection with the vertical rod, the lever is arranged at the upper end of the vertical rod, and the fixed block is arranged at one end of;

the fixing base top opposite side is provided with the spring post, spring post inside inlays and is equipped with the spring, spring top fixedly connected with spring plate, spring plate top threaded connection has the telescopic link, the telescopic link upper end is connected with the lever, the distribution has the ball in the bearing, the inside bearing inner circle that is provided with of ball.

Preferably, a lever connecting shaft is connected between the vertical rod and the lever in a penetrating manner.

Preferably, a telescopic rod connecting shaft is connected between the lever and the telescopic rod in a penetrating manner.

Preferably, a fixed block connecting shaft is connected between the lever and the fixed block in a penetrating manner.

Preferably, the upper part of the bearing inner ring is in interference connection with the rotating rod.

The above technical scheme of the utility model has following profitable technological effect:

1. the large spherical hinge can be locked and fixed by utilizing the pressure of the spring and the fixing capacity of the fixing block by utilizing a lever principle, the spring is preset with certain elasticity, so that the telescopic rod always generates upward thrust in a natural state, the positioning can be quickly carried out, the locking or the loosening can be realized, the change of angles in a circumferential range is convenient, the lever is lifted upwards during installation, the spring is compressed, the spherical hinge is placed in the device, the lever is loosened, and the lever is pressed downwards by utilizing the elasticity of the spring, so that the locking operation of the spherical hinge can be completed;

2. through the bearing that sets up, can realize locking device's rotation operation, realize the angle modulation of device, can effectively increase the suitability of device, through the lift and the lifter that set up, can realize the altitude mixture control of device, through the telescopic link pivot, lever pivot and the fixed block pivot that set up, can realize the swing joint of each part in the device.

Drawings

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

fig. 2 is a sectional view of the spring post of the present invention;

fig. 3 is a schematic view of the bearing structure of the present invention.

Reference numerals:

1. a base; 2. a bearing; 3. rotating the rod; 4. a rotating table; 5. an elevator; 6. a lifting rod; 7. a fixed seat; 8. erecting a rod; 9. a lever; 10. a fixed block; 11. a spring post; 12. a telescopic rod; 13. the telescopic rod is connected with the shaft; 14. a lever connecting shaft; 15. the fixed block is connected with the shaft; 16. a spring plate; 17. a spring; 18. a ball bearing; 19. and (4) bearing inner rings.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the utility model provides a rotary mechanical locking device, including base 1, bearing 2, rotary rod 3, revolving stage 4, lift 5, lifter 6, fixing base 7, pole setting 8 and lever 9, the cover is equipped with bearing 2 above base 1, the inside interference of bearing 2 is connected with rotary rod 3, fixed welding has revolving stage 4 above rotary rod 3, lift 5 has been erect above revolving stage 4, be connected with lifter 6 above lift 5, welding has fixing base 7 above lifter 6, bolted connection has pole setting 8 on fixing base 7 upper portion, the upper end of pole setting 8 is provided with lever 9, one end of lever 9 is provided with fixed block 10;

the fixing base 7 top opposite side is provided with spring post 11, spring post 11 is inside to be inlayed and is equipped with spring 17, spring 17 top fixedly connected with spring plate 16, spring plate 16 top threaded connection has telescopic link 12, the upper end of telescopic link 12 is connected with lever 9, 2 inside distributions of bearing have ball 18, the inside bearing inner race 19 that is provided with of ball 18.

In this embodiment, it should be noted that a lever connecting shaft 14 is connected between the upright rod 8 and the lever 9 in a penetrating manner, a telescopic rod connecting shaft 13 is connected between the lever 9 and the telescopic rod 12 in a penetrating manner, a fixed block connecting shaft 15 is connected between the lever 9 and the fixed block 10 in a penetrating manner, and the upper portion of the bearing inner ring 19 is in interference connection with the rotary rod 3.

In the utility model, the pressure of the spring 17 and the fixing capacity of the fixing block 10 can be utilized by utilizing the lever principle to lock and fix the large spherical hinge, the spring 17 is preset with certain elasticity, so that the telescopic rod 12 always generates upward thrust in a natural state, the positioning can be fast carried out, the locking or the loosening is carried out, the change of angles in a circumferential range is facilitated, the lever 9 is lifted upwards during the installation, the spring 17 is compressed, the spherical hinge is placed in the device, the lever 9 is loosened, the lever 9 is pressed downwards by utilizing the force of the spring elastic 17, and the locking operation of the spherical hinge can be completed; through the bearing 2 that sets up, can realize locking device's rotation operation, realize the angle modulation of device, can effectively increase the suitability of device, through lift 5 and the lifter 6 that sets up, can realize the altitude mixture control of device, through the telescopic link pivot 13, lever pivot 14 and the fixed block pivot 15 that set up, can realize the swing joint of each part in the device.

The utility model discloses a theory of operation and use flow: a lever connecting shaft 14 is connected between the upright rod 8 and the lever 9 in a penetrating manner, a telescopic rod connecting shaft 13 is connected between the lever 9 and the telescopic rod 12 in a penetrating manner, a fixed block connecting shaft 15 is connected between the lever 9 and the fixed block 10 in a penetrating manner, the upper part of a bearing inner ring 19 is connected with the rotary rod 3, the lever 9 is lifted upwards during installation, the spring 17 is compressed, the spherical hinge is placed in the device, the lever 9 is loosened, the lever 9 is pressed downwards by the force of the spring 17, and then the locking operation of the spherical hinge can be completed; through the bearing 2 that sets up, can realize locking device's rotation operation, realize the angle modulation of device, can effectively increase the suitability of device, through lift 5 and the lifter 6 that sets up, can realize the altitude mixture control of device, telescopic link pivot 13 through setting up, lever pivot 14 and fixed block pivot 15, can realize the swing joint of each part in the device, utilize lever principle can utilize the pressure of spring 17 and the fixed ability of fixed block 10, it is fixed to lock large-scale ball pivot, certain elasticity is predetermine to spring 17, make the telescopic link 12 produce ascending thrust all the time under the natural state, can fix a position fast, lock or loosen, make things convenient for the change of angle in the circumference scope.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A rotary mechanical locking device is characterized by comprising a base (1), a bearing (2), a rotary rod (3), a rotary table (4), a lifter (5), a lifting rod (6), a fixed seat (7), an upright rod (8) and a lever (9), a bearing (2) is sleeved above the base (1), a rotating rod (3) is connected in the bearing (2) in an interference manner, a rotating platform (4) is fixedly welded above the rotating rod (3), a lifter (5) is erected above the rotating platform (4), a lifting rod (6) is connected above the lifter (5), a fixed seat (7) is welded above the lifting rod (6), the upper part of the fixed seat (7) is connected with an upright rod (8) through a bolt, the upper end of the upright rod (8) is provided with a lever (9), and one end of the lever (9) is provided with a fixed block (10);

fixing base (7) top opposite side is provided with spring post (11), spring post (11) inside is inlayed and is equipped with spring (17), spring (17) top fixedly connected with spring board (16), spring board (16) top threaded connection has telescopic link (12), telescopic link (12) upper end is connected with lever (9), bearing (2) inside distribution has ball (18), ball (18) inside is provided with bearing inner circle (19).

2. A mechanical locking device of the rotary type as claimed in claim 1, characterized in that a lever connecting shaft (14) is connected between the upright (8) and the lever (9) in a penetrating manner.

3. A mechanical rotary locking device according to claim 1, wherein a telescopic rod connecting shaft (13) is connected between the lever (9) and the telescopic rod (12) in a penetrating manner.

4. A mechanical rotary locking device according to claim 1, wherein a fixed block connecting shaft (15) is connected between the lever (9) and the fixed block (10) in a penetrating manner.

5. A rotating mechanical locking device according to claim 1, characterized in that the bearing inner ring (19) is interference connected with the rotating rod (3) above.