Mounting rack of servo actuator

Abstract

The utility model belongs to the technical field of actuator installation, in particular to an installation frame of a servo actuator, which comprises a servo actuator main body and an installation frame body, the top of the installation frame body is provided with an installation groove, and the servo actuator main body comprises an electro-hydraulic servo valve and an actuating cylinder positioned on the inner side of the electro-hydraulic servo valve. According to the mounting frame of the servo actuator, an electro-hydraulic servo valve on a servo actuator body is clamped to the inner side of a mounting groove, the front portion, the rear portion and the bottom of the electro-hydraulic servo valve are limited, a fixing screw rod is sleeved with a fastening plate so that the fastening plate can be clamped in a clamping groove, then the fixing screw rod is sleeved with a fastening lantern ring in a threaded mode, and therefore the electro-hydraulic servo valve can be fixed. The fastening sleeve ring is rotated to drive the fastening plate to move downwards, so that the fastening plate is tightly clamped with the clamping groove, the top, the left side and the right side of the electro-hydraulic servo valve can be limited, the servo actuator body can be limited and fixed in multiple directions after being installed, and the stability of the electro-hydraulic servo valve in the operation process is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to actuator installation technical field, concretely is a kind of mounting bracket of servo actuator. BACKGROUND

[0002] Servo actuator is the execution element in electro-hydraulic servo system, and through the controllable push, pull and other forces to load, realize the control of load's speed, direction, displacement, force.Servo actuator is composed of electro-hydraulic servo valve, actuator cylinder, sensor, hydraulic oil pipe and other structures.Servo actuator is often used in dynamics experiment, and it is the power device of dynamics experiment, such as servo actuator is used in the experimental structure of compression-shear testing machine, damper testing machine.

[0003] As the power device of dynamics experiment, the mounting bracket used for the installation of servo actuator needs to have certain stability, the connection relationship of the mounting bracket of existing servo actuator and actuator is basically bolted connection, and although bolted connection is stable enough, but when servo actuator is operated, electro-hydraulic servo valve controls actuator cylinder to continuously reciprocate, and the direction of its power output has diversity, and the limiting structure of existing mounting bracket is relatively single to servo actuator, in the case of multi-directional power output of servo actuator, electro-hydraulic servo valve cannot keep stable for a long time, so it will cause servo actuator to deviate, and cause the deviation of experimental result. UTILITY MODEL CONTENTS

[0004] In view of the deficiency of prior art, the utility model provides a kind of mounting bracket of servo actuator, solve the problem of "limiting direction is relatively single" existing today.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of mounting bracket of servo actuator, including servo actuator main body and mounting bracket body, the top of the mounting bracket body is provided with installation slot, servo actuator main body includes electro-hydraulic servo valve and actuator cylinder located in the inboard of electro-hydraulic servo valve, electro-hydraulic servo valve is connected and is installed in the inboard of installation slot, the top of the mounting bracket body and located at the both sides of electro-hydraulic servo valve fixed installation is symmetrically distributed with fixed screw rod, fixed screw rod is slidably sleeved with fastening plate on the outside, fixed screw rod is threadedly sleeved with fastening sleeve ring on the outside and located above fastening plate, the both sides of the top of electro-hydraulic servo valve are provided with symmetrically distributed clamping groove, and one end of fastening plate near electro-hydraulic servo valve is clamped in the inboard of clamping groove.

[0006] As a preferred technical scheme of the utility model, the top of the mounting bracket body and located at the both sides of fixed screw rod is fixedly installed with symmetrically distributed balance bar, and the surface of fastening plate and located at the both sides of fixed screw rod is provided with symmetrically distributed through hole, and balance bar is slidably inserted in the inboard of through hole.

[0007] As a preferred technical scheme of the utility model, the outer side of the fixed screw rod is provided with an external thread groove, the inner side of the fastening sleeve ring is provided with an internal thread groove which is threadedly connected with the external thread groove, and the side surface of the fastening sleeve ring is fixedly provided with a plurality of symmetrically distributed extension rods.

[0008] As a preferred technical scheme of the utility model, the side surface of the servo actuator body is provided with a hydraulic oil pipe, the side surface of the mounting frame body is fixedly provided with a fixed limiting seat, the top of the fixed limiting seat is provided with a first arc-shaped groove, and one end of the hydraulic oil pipe away from the servo actuator body is clamped on the inner side of the first arc-shaped groove.

[0009] As a preferred technical scheme of the utility model, the side surface of the mounting frame body is provided with a sliding groove, the side surface of the mounting frame body and located directly above the fixed limiting seat is slidingly provided with a sliding limiting seat, the back surface of the sliding limiting seat is fixedly provided with a sliding block which is slidingly clamped on the inner side of the sliding groove, the bottom of the sliding limiting seat is provided with a second arc-shaped groove, and the second arc-shaped groove is clamped on the upper surface of the hydraulic oil pipe.

[0010] As a preferred technical scheme of the utility model, the cross section of the sliding groove is a trapezoidal structure, the top of the fixed limiting seat is provided with a butt joint hole, and the bottom of the sliding limiting seat is fixedly provided with a butt joint rod which is insertedly installed on the inner side of the butt joint hole.

[0011] Compared with the prior art, the utility model provides a mounting frame of servo actuator, has the following beneficial effects:

[0012] 1、the mounting frame of servo actuator, by clamping the electro-hydraulic servo valve on the servo actuator body on the inner side of the mounting groove, the front and back and the bottom of the electro-hydraulic servo valve are limited, by sleeving the fastening plate on the fixed screw rod, it is clamped in the clamping groove, then the fastening sleeve ring is threadedly sleeved on the outer side of the fixed screw rod, by rotating the fastening sleeve ring, the fastening plate is driven to move downward, so that it is tightly clamped with the clamping groove, so that the top and the left and right sides of the electro-hydraulic servo valve can be limited, so that the multi-directional limiting and fixing of the servo actuator body after installation can be realized, and the stability of the electro-hydraulic servo valve during operation is further improved.

[0013] 2、the mounting frame of servo actuator, by the cooperation of the first arc-shaped groove and the second arc-shaped groove, the position of the hydraulic oil pipe can be further limited, the protection effect of the hydraulic oil pipe is further improved, and the influence of the vibration generated during the operation of the servo actuator body on the hydraulic oil pipe is further reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is an enlarged schematic view of the structure near the fastening plate of the utility model.

[0016] Figure 3 For the utility model Figure 1 The structure amplification schematic view of A place in middle;

[0017] Figure 4 For the utility model Figure 1 The structure amplification schematic view of B place in middle.

[0018] In the figure: 1, servo actuator main body;11, electro-hydraulic servo valve;111, clamping groove;12, hydraulic oil pipe;13, actuator cylinder;2, mounting frame body;21, mounting groove;22, balance bar;23, fixed screw;231, external thread groove;24, sliding groove;3, fastening plate;31, through hole;4, fastening collar;41, extension rod;5, fixed limit seat;51, first arc-shaped groove;52, butt joint hole;6, sliding limit seat;61, second arc-shaped groove;62, sliding block;63, butt joint rod. Specific implementation

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Embodiment one

[0021] Please refer to Figures 1-4In the embodiment, the mounting frame of the servo actuator comprises a servo actuator body 1 and a mounting frame body 2. The top of the mounting frame body 2 is provided with a mounting groove 21. The servo actuator body 1 comprises an electro-hydraulic servo valve 11 and an actuator cylinder 13 inside the electro-hydraulic servo valve 11. The electro-hydraulic servo valve 11 is clamped and mounted at the inner side of the mounting groove 21. The top of the mounting frame body 2 and on both sides of the electro-hydraulic servo valve 11 are fixedly provided with symmetrically distributed fixing screws 23. The outer side of the fixing screw 23 is slidingly sleeved with a fastening plate 3. The outer side of the fixing screw 23 and above the fastening plate 3 are threadedly sleeved with a fastening sleeve 4. The top of the electro-hydraulic servo valve 11 is provided with symmetrically distributed clamping grooves 111. One end of the fastening plate 3 close to the electro-hydraulic servo valve 11 is clamped at the inner side of the clamping groove 111. In use, the electro-hydraulic servo valve 11 on the servo actuator body 1 is clamped at the inner side of the mounting groove 21 to limit the front and back and the bottom of the electro-hydraulic servo valve 11. The fastening plate 3 is sleeved on the fixing screw 23 and clamped in the clamping groove 111. Then the fastening sleeve 4 is threadedly sleeved on the outer side of the fixing screw 23. By rotating the fastening sleeve 4, the fastening plate 3 is driven to move downward to be tightly clamped in the clamping groove 111. Thus, the top and both sides of the electro-hydraulic servo valve 11 can be limited. After the servo actuator body 1 is installed, multi-directional limiting and fixing can be realized to further improve the stability of the electro-hydraulic servo valve 11 during operation.

[0022] As a preferred embodiment, the top of the mounting frame body 2 and on both sides of the fixing screw 23 are fixedly provided with symmetrically distributed balance rods 22. The surface of the fastening plate 3 and on both sides of the fixing screw 23 are provided with symmetrically distributed through holes 31. The balance rod 22 is slidingly inserted into the inner side of the through hole 31. The fastening sleeve 4 is threadedly rotated on the outer side of the fixing screw 23 and drives the fastening plate 3 to move downward. At the same time, the fastening plate 3 slides on the outer side of the balance rod 22. The balance rod 22 can limit the position of the fastening plate 3 to accurately clamp it in the clamping groove 111 without deviation. Thus, the fastening plate 3 can accurately limit the electro-hydraulic servo valve 11.

[0023] As a preferred embodiment, the outer side of the fixing screw 23 is provided with an outer thread groove 231. The inner side of the fastening sleeve 4 is provided with an inner thread groove threadedly connected with the outer thread groove 231. The side of the fastening sleeve 4 is fixedly provided with a plurality of symmetrically distributed extension rods 41. By pushing the extension rod 41, the fastening sleeve 4 can be rotated to improve the convenience of rotating the fastening sleeve 4.

[0024] Example two

[0025] Please refer to Figures 1-4In the embodiment, the hydraulic oil pipe 12 is installed on the side of the servo actuator body 1, the fixed limiting seat 5 is fixedly installed on the side of the mounting frame body 2, the first arc-shaped slot 51 is formed on the top of the fixed limiting seat 5, and the end of the hydraulic oil pipe 12 away from the servo actuator body 1 is clamped on the inner side of the first arc-shaped slot 51. The servo actuator body 1 cannot operate without hydraulic oil, and the hydraulic oil needs to be replaced regularly. In addition, the hydraulic oil pipe 12 will vibrate during the operation of the servo actuator body 1, which can easily cause damage to the hydraulic oil pipe 12. By clamping the hydraulic oil pipe 12 in the first arc-shaped slot 51, the hydraulic oil pipe 12 can be limited, thereby protecting the hydraulic oil pipe 12.

[0026] As a preferred embodiment, the sliding slot 24 is formed on the side of the mounting frame body 2, the sliding limiting seat 6 is slidingly installed on the side of the mounting frame body 2 and directly above the fixed limiting seat 5, the sliding block 62 slidingly clamped in the sliding slot 24 is fixedly installed on the back of the sliding limiting seat 6, the second arc-shaped slot 61 is formed on the bottom of the sliding limiting seat 6, and the second arc-shaped slot 61 is clamped on the upper surface of the hydraulic oil pipe 12. By using the first arc-shaped slot 51 and the second arc-shaped slot 61 together, the position of the hydraulic oil pipe 12 can be further limited, the protection effect of the hydraulic oil pipe 12 is further improved, and the influence of the vibration generated during the operation of the servo actuator body 1 on the hydraulic oil pipe 12 is further reduced.

[0027] As a preferred embodiment, the cross section of the sliding slot 24 is a trapezoidal structure, the butt joint hole 52 is formed on the top of the fixed limiting seat 5, and the butt joint rod 63 is fixedly installed on the bottom of the sliding limiting seat 6 and inserted into the inner side of the butt joint hole 52 to fix the positions of the sliding limiting seat 6 and the fixed limiting seat 5, thereby improving the protection effect of the hydraulic oil pipe 12.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A mounting bracket of a servo actuator, comprising a servo actuator main body (1) and a mounting bracket body (2), characterized in that: The top of the mounting frame body (2) is provided with a mounting groove (21), the servo actuator body (1) comprises an electro-hydraulic servo valve (11) and an actuator cylinder (13) inside the electro-hydraulic servo valve (11), the electro-hydraulic servo valve (11) is clamped and mounted on the inside of the mounting groove (21), the top of the mounting frame body (2) and on both sides of the electro-hydraulic servo valve (11) are fixedly provided with symmetrically distributed fixed screw rods (23), the outside of the fixed screw rod (23) is slidably sleeved with a fastening plate (3), the outside of the fixed screw rod (23) and above the fastening plate (3) are threadedly sleeved with a fastening sleeve ring (4), both sides of the top of the electro-hydraulic servo valve (11) are provided with symmetrically distributed clamping grooves (111), and one end of the fastening plate (3) close to the electro-hydraulic servo valve (11) is clamped on the inside of the clamping groove (111).

2. The mounting bracket for a servo actuator of claim 1, wherein: The top of the mounting frame body (2) and on both sides of the fixed screw rod (23) are fixedly provided with symmetrically distributed balance bars (22), the surface of the fastening plate (3) and on both sides of the fixed screw rod (23) are provided with symmetrically distributed through holes (31), and the balance bars (22) are slidably inserted into the inside of the through hole (31).

3. The mounting bracket for a servo actuator of claim 1 wherein: The outside of the fixed screw rod (23) is provided with an external thread groove (231), the inside of the fastening sleeve ring (4) is provided with an internal thread groove in threaded connection with the external thread groove (231), and a plurality of symmetrically distributed extension rods (41) are fixedly installed on the side surface of the fastening sleeve ring (4).

4. The mounting bracket for a servo actuator of claim 1 wherein: The side surface of the servo actuator body (1) is provided with a hydraulic oil pipe (12), the side surface of the mounting frame body (2) is fixedly provided with a fixed limiting seat (5), the top of the fixed limiting seat (5) is provided with a first arc-shaped groove (51), and one end of the hydraulic oil pipe (12) away from the servo actuator body (1) is clamped on the inside of the first arc-shaped groove (51).

5. A mounting bracket for a servo actuator according to claim 4, wherein: The side surface of the mounting frame body (2) is provided with a sliding groove (24), the side surface of the mounting frame body (2) and directly above the fixed limiting seat (5) are slidably provided with a sliding limiting seat (6), the back surface of the sliding limiting seat (6) is fixedly provided with a sliding block (62) slidably clamped on the inside of the sliding groove (24), the bottom of the sliding limiting seat (6) is provided with a second arc-shaped groove (61), and the second arc-shaped groove (61) is clamped on the upper surface of the hydraulic oil pipe (12).

6. A mounting bracket for a servo actuator according to claim 5, wherein: The cross section of the sliding groove (24) is a trapezoidal structure, the top of the fixed limiting seat (5) is provided with a butt joint hole (52), the bottom of the sliding limiting seat (6) is fixedly provided with a butt joint rod (63), and the butt joint rod (63) is inserted into the inside of the butt joint hole (52).

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