CN107882813B

CN107882813B - Actuator tailstock

Info

Publication number: CN107882813B
Application number: CN201711104539.1A
Authority: CN
Inventors: 李素强
Original assignee: Xian Aircraft Design and Research Institute of AVIC
Current assignee: Xian Aircraft Design and Research Institute of AVIC
Priority date: 2017-11-10
Filing date: 2017-11-10
Publication date: 2020-04-14
Anticipated expiration: 2037-11-10
Also published as: CN107882813A

Abstract

The invention discloses an actuator tailstock. The actuator tailstock includes: the tailstock base plate is provided with a mounting hole; the screw penetrates through the mounting hole, one end of the screw is arranged on one side of the tailstock bottom plate, and the other end of the screw is arranged on the other side of the tailstock bottom plate; the lug group is arranged on the tailstock bottom plate; and the deflection limiting device is arranged on one side of the tailstock bottom plate, which is provided with the lug group. The actuator tailstock of this application limits the actuator beat angle at the during operation through beat limiting device, realizes the free rotation of tailstock bottom plate through the screw rod, has solved among the prior art unable restriction beat angle and the unable problem of free rotation.

Description

Actuator tailstock

Technical Field

The invention relates to the technical field of actuators, in particular to a tailstock of an actuator.

Background

Due to different working conditions and requirements during installation and replacement, the deflection angle of the actuator needs to be large sometimes and needs to be small sometimes, for example, when the actuator is installed, the actuator needs to be installed only by changing the horizontal state and the vertical state, at the moment, the deflection angle needs to be large, when the actuator works, the limitation of different angles is needed, when debugging and replacement are carried out, the connection of the end of the extending piston rod of the actuator needs to be disconnected, after the disconnection, only the actuator with the tail part connected with the fixed tailstock can always deflect to a large angle along the free deflection direction of the tailstock, so that the actuator is interfered with surrounding equipment (such as the actuator is vertically installed on the ground, and the actuator always deflects to the ground), at the moment, the existing method is that a supporting point is additionally arranged at the front end of the actuator, the actuator is kept in the disconnected state, and is very inconvenient.

Many cases, tailstock all mainly are along actuator axial atress, and tailstock commonly used can't freely rotate because of four holes have already been fixed a position, and when the beat direction of actuator need change or wear the bolt axle and need the tailstock rotatory, can't satisfy the requirement. In the past, the tailstock mounting hole is machined according to the required angle, and the tailstock rotating angle is met by adjusting and replacing the mounting holes with different angles, so that the tailstock is extremely inconvenient.

Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.

Disclosure of Invention

It is an object of the present invention to provide an actuator tailstock which overcomes or at least alleviates at least one of the above-mentioned disadvantages of the prior art.

In order to achieve the above object, the present invention provides an actuator tailstock, comprising: the tailstock base plate is provided with a mounting hole; the screw penetrates through the mounting hole, one end of the screw is arranged on one side of the tailstock bottom plate, and the other end of the screw is arranged on the other side of the tailstock bottom plate; the lug group is arranged on the tailstock bottom plate; the deflection limiting device is arranged on one side of the tailstock bottom plate, which is provided with the lug group; wherein, the lug group is used for installing an actuator; the deflection limiting device is used for limiting the deflection angle of the actuator during working.

Preferably, the ear plate set includes a first ear plate and a second ear plate, the first ear plate and the second ear plate are arranged oppositely, and the first ear plate and the second ear plate are provided with an actuator connecting hole.

Preferably, the first ear and the second ear are structurally identical ears.

Preferably, the screw rod is provided with an external thread, and the mounting hole in the tailstock bottom plate is provided with an internal thread.

Preferably, the yaw restricting device includes:

the first deflection limiting mechanism is arranged on the tailstock base plate and can move relative to the tailstock base plate;

and the second deflection limiting mechanism is arranged on the tailstock bottom plate and can move relative to the tailstock bottom plate.

Preferably, the first yaw restricting mechanism includes:

the first rib plate is connected with the tailstock bottom plate through a bolt;

the first supporting plate is detachably connected with the first rib plate and comprises a first limiting part;

the second yaw restricting mechanism includes:

the second rib plate is connected with the tailstock bottom plate through a bolt;

the second supporting plate is detachably connected with the second rib plate and comprises a second limiting part; wherein the content of the first and second substances,

the first limiting part is matched with the second limiting part so as to limit the deflection angle of the actuator during working.

Preferably, the first support plate is connected to the first rib plate by a bolt;

the second support plate is connected with the second rib plate through a bolt.

Preferably, the first yaw restricting mechanism further includes a ball washer and a tapered washer, the ball washer and the tapered washer being provided on a bolt connecting the first support plate and the first rib;

the second yaw restricting mechanism further includes a ball washer and a tapered washer, and the ball washer and the tapered washer are provided on a bolt that connects the second support plate and the second rib plate.

Preferably, an arc-shaped limiting groove is formed in a bolt for connecting the first supporting plate and the first rib plate; the first deflection limiting mechanism further comprises a limiting bolt, and the limiting bolt is suitable for being matched with an arc-shaped limiting groove on a bolt for connecting the first supporting plate and the first rib plate; an arc-shaped limiting groove is formed in a bolt for connecting the second supporting plate with the second rib plate; the second deflection limiting mechanism further comprises a limiting bolt, and the limiting bolt is suitable for being matched with an arc-shaped limiting groove on a bolt connected with the second rib plate and the second supporting plate.

The actuator tailstock of this application limits the actuator beat angle at the during operation through beat limiting device, realizes the free rotation of tailstock bottom plate through the screw rod, has solved among the prior art unable restriction beat angle and the unable problem of free rotation.

Drawings

Fig. 1 is a schematic structural diagram of a tailstock of an actuator according to an embodiment of the present application.

Fig. 2 is a cross-sectional view of the tailstock of the actuator shown in fig. 1.

Reference numerals

1	Tailstock bottom plate	412	First supporting plate
				2	Screw rod	421	Second rib plate
3	Ear piece group	422	Second supporting plate
				4	Deflection limiting device	4221	Second limit part
31	First lug	423	Ball washer
				32	Second lug	424	Conical washer
41	First deflection limiting mechanism	5	Bolt
				42	Second deflection limiting mechanism	6	Limit bolt
411	First rib plate	7	Actuator device

Detailed Description

In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

Fig. 1 is a schematic structural diagram of a tailstock of an actuator according to an embodiment of the present application. Fig. 2 is a cross-sectional view of the tailstock of the actuator shown in fig. 1.

As shown in fig. 1 and 2, the actuator tailstock includes a tailstock base plate 1, a screw 2, a tab group 3, and a deflection limiting device 4, wherein the tailstock base plate 1 is provided with a mounting hole; the screw 2 penetrates through the mounting hole, one end of the screw is arranged on one side of the tailstock bottom plate 1, and the other end of the screw is arranged on the other side of the tailstock bottom plate 1; the lug group 3 is arranged on the tailstock bottom plate; the deflection limiting device 4 is arranged on one side of the tailstock bottom plate 1, which is provided with the lug group 3; wherein, the lug group 3 is used for installing an actuator; the deflection limiting device 4 is used for limiting the deflection angle of the actuator in operation.

Referring to fig. 1 and 2, in the present embodiment, the tab set includes a first tab 31 and a second tab 32, the first tab 31 and the second tab 32 are disposed opposite to each other, and the first tab and the second tab are disposed with actuator connection holes.

In the present embodiment, the first ear 31 and the second ear 32 are the same in structure. With the same tab configuration, the force transmitted by the ram is also averaged during use.

In this embodiment, the screw rod 2 is provided with an external thread, and the mounting hole on the tailstock base plate 1 is provided with an internal thread.

In the present embodiment, the runout limiting device 4 includes a first runout limiting mechanism 41 and a second runout limiting mechanism 42, the first runout limiting mechanism 41 is mounted on the tailstock base plate 1 and can move relative to the tailstock base plate; the second runout limiting mechanism 42 is mounted on the tailstock base plate 1 and is movable relative to the tailstock base plate 1.

Referring to fig. 1, in the present embodiment, the first yaw restricting mechanism 41 includes a first rib 411 and a first support plate 412, and the first rib 411 is connected to the tailstock base plate 1 by a bolt; the first supporting plate 412 is detachably connected to the first rib 411, and the first supporting plate 412 includes a first position-limiting portion.

Referring to fig. 1, in the present embodiment, the second runout limiting mechanism 42 includes a second rib 421 and a second supporting plate 422, and the second rib 421 is connected to the tailstock base plate 1 by a bolt; the second supporting plate 422 is detachably connected to the second rib 421, and the second supporting plate 422 includes a second position-limiting portion 4221.

In this embodiment, the first limit portion cooperates with the second limit portion 4221, thereby limiting the deflection angle of the actuator during operation.

Referring to fig. 1 and 2, in the present embodiment, the first supporting plate 412 is connected to the first rib 411 by a bolt; the second support plate 422 is connected to the second rib 421 by a bolt 5.

Referring to fig. 1, in the present embodiment, the first yaw restricting mechanism further includes a ball washer and a tapered washer, and the ball washer and the tapered washer are provided on a bolt connecting the first support plate and the first rib. The ball washer and the conical washer are added, so that the bolt is guaranteed to be mainly subjected to axial force of each shaft, and the bolt is easy to rotate when bearing a load.

Referring to fig. 1, in the present embodiment, the second yaw restricting mechanism further includes a ball washer 423 and a tapered washer 424, which are provided on a bolt connecting the second support plate and the second rib. The ball washer and the conical washer are added, so that the bolt is guaranteed to be mainly subjected to axial force of each shaft, and the bolt is easy to rotate when bearing a load.

Referring to fig. 1, in the present embodiment, an arc-shaped limiting groove is formed on a bolt connecting the first supporting plate 412 and the first rib plate 411; the first deflection limiting mechanism further comprises a limiting bolt, and the limiting bolt is suitable for being matched with an arc-shaped limiting groove on a bolt connected with the first supporting plate and the first rib plate. By adopting the structure, the connection between the supporting plate and the bolt can be ensured, and the distance between the supporting plate and the actuator can be ensured, so that the deflection of the actuator is ensured to limit the angle, and the rotation of the bolt is not influenced.

Referring to fig. 1, in the present embodiment, an arc-shaped limiting groove is disposed on the bolt 5 connecting the second supporting plate 422 and the second rib plate 421; the second yaw limiting mechanism further comprises a limiting bolt 6, and the limiting bolt 6 is suitable for being matched with an arc-shaped limiting groove on a bolt 5 connected with the second support plate 422 and the second rib plate 421.

By adopting the structure, the connection between the supporting plate and the bolt can be ensured, and the distance between the supporting plate and the actuator can be ensured, so that the deflection of the actuator is ensured to limit the angle, and the rotation of the bolt is not influenced.

Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. An actuator tailstock, characterized in that, actuator tailstock includes:

the tailstock base plate (1), wherein the tailstock base plate (1) is provided with a mounting hole;

the screw (2) penetrates through the mounting hole, one end of the screw (2) is arranged on one side of the tailstock bottom plate (1), and the other end of the screw is arranged on the other side of the tailstock bottom plate (1);

the lug group (3) is arranged on the tailstock bottom plate;

the deflection limiting device (4), the deflection limiting device (4) is arranged on one side of the tailstock bottom plate (1) where the lug group (3) is arranged; wherein the content of the first and second substances,

the lug group (3) is used for mounting an actuator (7);

the deflection limiting device (4) is used for limiting the deflection angle of the actuator during working;

the yaw restricting device (4) includes:

a first runout limiting mechanism (41), the first runout limiting mechanism (41) being mounted on the tailstock base plate (1) and being movable relative to the tailstock base plate (1), the first runout limiting mechanism (41) comprising: the first rib plate (411), the first rib plate (411) is connected with the tailstock bottom plate (1) through a bolt; a first supporting plate (412), the first supporting plate (412) being detachably connected to the first rib plate (411), the first supporting plate (412) including a first stopper portion;

a second runout limiting mechanism (42), the second runout limiting mechanism (42) being mounted on the tailstock base plate (1) and being movable relative to the tailstock base plate (1), the second runout limiting mechanism (42) comprising: the second rib plate (421), the second rib plate (421) is connected with the tailstock bottom plate (1) through a bolt; a second support plate (422), wherein the second support plate (422) is detachably connected with the second rib plate (421), and the second support plate (422) comprises a second limiting part (4221); wherein the content of the first and second substances,

the first limit part is matched with the second limit part (4221) so as to limit the deflection angle of the actuator during working.

2. The actuator tailstock according to claim 1, wherein the lug group comprises a first lug (31) and a second lug (32), the first lug (31) and the second lug (32) are arranged oppositely, and the first lug and the second lug are provided with actuator connecting holes.

3. The actuator tailstock according to claim 2, characterized in that the first tab (31) and the second tab (32) are structurally identical tabs.

4. Actuator tailstock according to claim 1, characterized in that the screw (2) is externally threaded and the mounting hole of the tailstock base plate (1) is internally threaded.

5. The actuator tailstock according to claim 1, characterized in that the first support plate (412) is connected to the first rib (411) by means of a bolt;

the second support plate (422) is connected to the second rib plate (421) by a bolt (5).

6. The actuator tailstock according to claim 5, wherein the first yaw limiting mechanism further comprises a ball washer and a tapered washer, the ball washer and the tapered washer being disposed on a bolt connecting the first support plate and the first rib;

the second yaw restricting mechanism further includes a ball washer (423) and a tapered washer (424) that are provided on a bolt that connects the second support plate and the second rib plate.

7. The actuator tailstock according to claim 6, wherein,

an arc-shaped limiting groove is formed in a bolt for connecting the first supporting plate (412) and the first rib plate (411);

the first deflection limiting mechanism further comprises a limiting bolt, and the limiting bolt is suitable for being matched with an arc-shaped limiting groove on a bolt for connecting the first supporting plate and the first rib plate;

an arc-shaped limiting groove is formed in a bolt (5) connecting the second supporting plate (422) and the second rib plate (421);

the second deflection limiting mechanism further comprises a limiting bolt (6), and the limiting bolt (6) is suitable for being matched with an arc-shaped limiting groove on a bolt (5) connected with the second rib plate (421) and the second supporting plate (422).