CN214472464U - Actuator space adjusting device and vertical fatigue testing machine - Google Patents

Abstract

In order to overcome the big shortcoming of the prior art actuator interval adjustment operation degree of difficulty, the utility model provides an actuator space adjustment device and constitute perpendicular fatigue testing machine. Including motor speed reduction all-in-one, guide rail sliding block subassembly, two actuator link and two ball screw pairs, the vice lead screw of ball screw is connected simultaneously to motor speed reduction all-in-one power take off end, and ball nut and the actuator link of ball screw pair are connected as an organic wholely, and the slider of guide rail sliding block subassembly is connected simultaneously to the actuator link. A vertical fatigue testing machine comprises a base, a gantry and an actuator space adjusting device; the gantry is arranged on the base and comprises an upright post and a cross beam arranged on the upright post; the motor and speed reduction integrated machine is arranged on the upper surface of the cross beam; the ball screw pair is connected with the power output end of the motor speed reduction integrated machine; the actuator connecting frame comprises an upper connecting seat, a lower connecting seat and a stud nut assembly.

Description

Actuator space adjusting device and vertical fatigue testing machine

Technical Field

The utility model relates to an actuator space adjustment device and constitute perpendicular fatigue testing machine belongs to testing machine technical field.

Background

In the prior art, the distance adjustment of the actuator needs to loosen the fixing bolt, and the actuator is lifted to a certain height by using the truss vehicle and then is subjected to distance adjustment. The technology has high operation difficulty, can not accurately adjust the distance between the actuators to a preset value at one time, and needs to be adjusted for many times.

SUMMERY OF THE UTILITY MODEL

In order to overcome the big shortcoming of the prior art actuator interval adjustment operation degree of difficulty, the utility model aims at providing an actuator space adjustment device and constitute perpendicular fatigue testing machine.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:

the utility model provides an actuator space adjusting device, includes motor speed reduction all-in-one, guide rail sliding block subassembly, two actuator links and two ball screw pairs, and the vice lead screw of ball screw is connected simultaneously to motor speed reduction all-in-one power take off end, and ball nut and the actuator link of ball screw pair are connected as an organic wholely, and the slider of guide rail sliding block subassembly is connected simultaneously to the actuator link.

Actuator space adjusting device preferred scheme, actuator link include connecting seat, lower connecting seat and stud nut component, go up the connecting seat and be connected as an organic wholely with guide rail slider component's slider, lower connecting seat is used for connecting the actuator, goes up and connects as an organic wholely through multiunit stud nut component between connecting seat and the lower connecting seat.

A vertical fatigue testing machine comprises a base, a gantry and an actuator space adjusting device;

the gantry is arranged on the base and comprises an upright post and a cross beam arranged on the upright post;

the motor and speed reduction integrated machine is arranged on the upper surface of the cross beam;

the ball screw pair is connected with the power output end of the motor speed reduction integrated machine and comprises a screw and a ball nut, two ends of the screw are respectively arranged on the cross beam through supporting seats, and the ball nut and the actuator connecting frame are connected into a whole;

the guide rail sliding block assembly comprises two guide rails and a sliding block matched with the guide rails, wherein the two guide rails are arranged along the upper surface of the cross beam at intervals in the transverse direction;

the actuator connecting frame comprises an upper connecting seat, a lower connecting seat and a stud nut assembly, the upper connecting seat is connected with the sliding block into a whole, the lower connecting seat is connected with one end of the actuator and is located on the lower surface of the cross beam, the other end of the actuator is connected with the base, and the upper connecting seat and the lower connecting seat are connected into a whole through the plurality of sets of stud nut assemblies.

The utility model has the advantages that:

1. the distance adjusting device adopts a double-output speed reducing motor to match with the positive and negative ball screws on two sides to adjust the distance, so that the forward and backward movement of actuators on two sides can be synchronously controlled;

2. the actuator connecting frame is fixed above the guide rail, so that the actuator can be effectively ensured to move along the central line of the cross beam in the moving process;

3. the structure layout is compact, the clamping is convenient to adjust, the operation is simple, and the time for test preparation is reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic view of embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1, an actuator space adjusting device comprises a motor speed reduction all-in-one machine 3, a guide rail sliding block assembly, two actuator connecting frames and two ball screw pairs 2, wherein a power output end of the motor speed reduction all-in-one machine 3 is connected with a screw of the ball screw pair 2, a ball nut of the ball screw pair 2 is connected with the actuator connecting frame 4 into a whole, and the actuator connecting frame 4 is connected with a sliding block of the guide rail sliding block assembly 1.

Actuator link 4 includes connecting seat 8, lower connecting seat 9 and stud nut component 10, goes up connecting seat 8 and is connected as an organic wholely with the slider of guide rail slider component 1, and lower connecting seat 9 is used for connecting actuator 6, goes up and connects as an organic wholely through multiunit stud nut component 9 between connecting seat 8 and the lower connecting seat 10.

Example 2

Referring to fig. 2, a vertical fatigue testing machine includes a base, a gantry, and an actuator space adjusting device;

the gantry is arranged on the base 13 and comprises an upright post 12 and a cross beam 11 arranged on the upright post 12;

the motor and speed reduction integrated machine 3 is arranged on the upper surface of the beam;

the ball screw pair 2 is connected with the power output end of the motor speed reduction integrated machine 3 and comprises a screw and a ball nut, two ends of the screw are respectively arranged on the cross beam through supporting seats, and the ball nut is connected with the actuator connecting frame 4 into a whole;

the guide rail sliding block assembly 1 comprises two guide rails and sliding blocks matched with the guide rails, wherein the two guide rails are arranged along the upper surface of the cross beam at intervals in the transverse direction;

actuator link 4 includes connecting seat 8, lower connecting seat 10 and stud nut subassembly 9, goes up the connecting seat and is connected as an organic wholely with the slider, and 6 one end of actuator and lie in the crossbeam lower surface are connected to lower connecting seat 10, and 6 other ends of actuator connect the frame 13, go up connecting seat 8 and connect as an organic wholely through multiunit stud nut subassembly 9 down between the connecting seat 10.

In the embodiment, the device is mainly used for the axle vertical fatigue test, wheels to be subjected to the vertical fatigue test are placed on the base 13, the distance between the loading positions of the axles is measured, the fixing bolts of the actuators are loosened, then the distance between the actuators is adjusted, the actuators 6 and the axles are locked, and continuous force loading is carried out.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (3)

1. An actuator spatial adjustment device, comprising: including motor speed reduction all-in-one, guide rail sliding block subassembly, two actuator link and two ball screw pairs, the vice lead screw of ball screw is connected simultaneously to motor speed reduction all-in-one power take off end, and ball nut and the actuator link of ball screw pair are connected as an organic wholely, and the slider of guide rail sliding block subassembly is connected simultaneously to the actuator link.

2. The actuator spatial adjustment device of claim 1, wherein: the actuator connecting frame comprises an upper connecting seat, a lower connecting seat and stud nut assemblies, the upper connecting seat is connected with the sliding blocks of the guide rail sliding block assemblies into a whole, the lower connecting seat is used for connecting the actuator, and the upper connecting seat and the lower connecting seat are connected into a whole through a plurality of sets of stud nut assemblies.

3. A vertical fatigue testing machine is characterized in that: comprising a frame, a mast and an actuator space adjustment device according to claim 1 or 2;

the gantry is arranged on the base and comprises an upright post and a cross beam arranged on the upright post;

the motor and speed reduction integrated machine is arranged on the upper surface of the cross beam;

the ball screw pair is connected with the power output end of the motor speed reduction integrated machine and comprises a screw and a ball nut, two ends of the screw are respectively arranged on the cross beam through supporting seats, and the ball nut and the actuator connecting frame are connected into a whole;

the guide rail sliding block assembly comprises two guide rails and a sliding block matched with the guide rails, wherein the two guide rails are arranged along the upper surface of the cross beam at intervals in the transverse direction;

the actuator connecting frame comprises an upper connecting seat, a lower connecting seat and a stud nut assembly, the upper connecting seat is connected with the sliding block into a whole, the lower connecting seat is connected with one end of the actuator and is located on the lower surface of the cross beam, the other end of the actuator is connected with the base, and the upper connecting seat and the lower connecting seat are connected into a whole through the plurality of sets of stud nut assemblies.

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