CN211234929U

CN211234929U - Actuator cylinder positioning device

Info

Publication number: CN211234929U
Application number: CN201922028060.5U
Authority: CN
Inventors: 王鑫涛; 杜星
Original assignee: AVIC Aircraft Strength Research Institute
Current assignee: AVIC Aircraft Strength Research Institute
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-08-11
Anticipated expiration: 2029-11-21

Abstract

The utility model provides an actuating cylinder positioning device, which comprises a rolling track, at least two rolling wheels, at least two rolling shafts, a supporting plate, a limiting plate and a limiting rod, wherein the upper end surface of the rolling track is provided with at least two rolling wheels in a rolling way, and the rolling wheels roll along the upper end surface of the rolling track; the rolling shaft penetrates through the roller and is rotationally connected with the roller; supporting plates are respectively arranged at two ends of the at least two rollers; two ends of the at least two rolling shafts are respectively and fixedly connected with the supporting plates at two ends of the roller; one end of the limiting rod is connected with the supporting plate, the other end of the limiting rod penetrates through a clamping groove formed in the limiting plate, and the clamping groove is used for positioning the limiting rod. After the state of the test piece is adjusted, the test loading actuator cylinder can be quickly and accurately positioned after being loaded according to the adjustment size required by test design.

Description

Actuator cylinder positioning device

Technical Field

The utility model belongs to aircraft structure test field, concretely relates to pressurized strut positioner.

Background

The airplane structural strength test is an extremely important assessment test in the airplane development process, and has high test requirements and a tight period. In the real use condition of the airplane, some parts often have various state changes in a flight period, and the test examination needs to completely simulate the real use condition of the airplane as much as possible, so that some test pieces have various examination states, so that the loading equipment needs to be continuously disassembled and assembled in the test process (a series of steps such as disassembling, hoisting, measuring, installing, inspecting and the like are needed in the disassembling and assembling process), and the test period is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the actuator cylinder positioning device is used for accurately positioning the actuator cylinder, after the state of a test piece is adjusted, the actuator cylinder can be quickly and accurately positioned after being loaded in a test loading manner according to the adjustment size required by test design, the test operation process is stable, and no vibration impact exists.

In general, test pieces in various states are examined, and after a test is finished, the loading equipment is continuously disassembled and assembled to meet the test requirements in the state. In order to shorten the test period, large-scale test disassembly and assembly caused by adjustment of test loading equipment should be avoided as much as possible, so that the loading equipment is not disassembled and assembled, and the state of the loading equipment is adjusted correspondingly only according to the state change of a test piece, so that the adjustment time of the field loading equipment can be greatly shortened.

The technical scheme of the utility model: provides an actuating cylinder positioning device which comprises a rolling track 1, at least two rollers 2, at least two rolling shafts 4, a supporting plate 3, a limiting plate 5 and a limiting rod 6,

at least two rollers 2 are arranged on the upper end surface of the rolling track 1 in a rolling manner, and the rollers 2 roll along the upper end surface of the rolling track 1;

the rolling shaft 4 penetrates through the roller 2 and is rotationally connected with the roller 2; supporting plates 3 are respectively arranged at two ends of the at least two rollers 2; two ends of the at least two rolling shafts 4 are respectively and fixedly connected with the supporting plates 3 at two ends of the roller 2;

limiting plates 5 are respectively arranged on two side edges of the rolling track 1, and the supporting plate 3 is positioned between the end surface of the roller 2 and the limiting plates 5;

one end of the limiting rod 6 is connected with the supporting plate 3, the other end of the limiting rod penetrates through a clamping groove 50 formed in the limiting plate 5, and the clamping groove 50 is used for positioning the limiting rod 6.

Furthermore, the actuating cylinder positioning device further comprises a connecting plate 7, the connecting plate 7 is fixedly connected with the supporting plates 3 at the two ends of the roller 2, and the connecting plate 7 is used for being connected with an actuating cylinder mounting base.

Furthermore, a positioning hole 51 is formed in the clamping groove 50, and the limiting rod 6 is limited after sliding to the positioning hole 51.

Further, the limiting rod 6 passes through the supporting plates 3 at the two ends of the roller 2 and passes through a clamping groove 50 arranged on the limiting plate 5.

Further, a handle is arranged at one end of the limiting rod 6.

Furthermore, a rolling bearing is arranged in the roller 2, and the rolling shaft 4 is rotatably connected with the roller 2 through the rolling bearing.

Further, the rolling track 1 is fixedly connected with the limiting plates 5 on the two sides through bolts; the rolling track 1 is connected with the fixed table top through bolts.

The technical effects of the utility model:

the position of loading equipment can be conveniently adjusted, and the test period is saved; the position of the loading actuator cylinder can be conveniently positioned; the test can be ensured to run stably, and no impact is generated in the process; simple structure and easy realization.

Drawings

FIG. 1 is a schematic view of the actuator positioning device installed;

FIG. 2 is a schematic view of a ram positioning device;

FIG. 3 is a schematic diagram of a stopper structure.

The specific implementation mode is as follows:

FIG. 1 is a schematic view of the actuator positioning device installed; FIG. 2 is a schematic view of a ram positioning device; referring to fig. 1 and 2, in the present embodiment, an actuator positioning device 8 is provided, and the actuator positioning device includes a rolling track 1, at least two rollers 2, at least two rolling shafts 4, a supporting plate 3, a limiting plate 5, and a limiting rod 6.

Two rollers 2 are arranged on the upper end face of the rolling rail 1 in a rolling mode, and the rollers 2 roll along the upper end face of the rolling rail 1.

The rolling shaft 4 penetrates through the roller 2 and is rotationally connected with the roller 2; two ends of the two rollers 2 are respectively provided with a supporting plate 3; two ends of the two rolling shafts 4 are respectively and fixedly connected with the supporting plates 3 at two ends of the roller 2.

Limiting plates 5 are respectively arranged on two side edges of the rolling track 1, and the supporting plate 3 is located between the end face of the roller 2 and the limiting plates 5. One end of the limiting rod 6 is connected with the supporting plate 3, the other end of the limiting rod penetrates through a clamping groove 50 formed in the limiting plate 5, and the clamping groove 50 is used for positioning the limiting rod 6.

Specifically, as shown in fig. 3, the structure of the limiting plate shown in fig. 3 is schematically illustrated, and the limiting rod 6 passes through the supporting plates 3 at the two ends of the roller 2 and passes through the clamping groove 50 formed in the limiting plate 5. The clamping groove 50 is provided with a positioning hole 51, and the limiting rod 6 slides to the positioning hole 51 along the clamping groove 50 and then is limited.

Further, as shown in fig. 1, the actuator cylinder positioning device further includes a connecting plate 7, the connecting plate 7 is fixedly connected to the supporting plates 3 at the two ends of the roller 2, and the connecting plate 7 is used for connecting the actuator cylinder mounting base 9.

Further, a handle is arranged at one end of the limiting rod 6. A rolling bearing is arranged in the roller 2, and the rolling shaft 4 is rotationally connected with the roller 2 through the rolling bearing. The rolling track 1 is fixedly connected with the limiting plates 5 on the two sides through bolts; the rolling track 1 is connected with the fixed table top through bolts, and the mounting surface is B.

The working principle of the embodiment is as follows:

the device is suitable for the condition that the actuating cylinder is pulled to be loaded, the loading actuating cylinder is erected on two sets of actuating cylinder positioning devices through an actuating cylinder mounting base, and the mounting surface for mounting the actuating cylinder and the actuating cylinder is A. After the test piece is adjusted in place according to requirements, a deflection angle exists between the loading actuator cylinder and the vertical direction, the loading actuator cylinder is enabled to generate a load component along the track direction by applying a proper load to the loading actuator cylinder, the actuator cylinder mounting base rolls along the rolling track, then the position of the loading actuator cylinder is adjusted through the rolling wheels and the rolling track, after the test piece is adjusted in place, the limiting rod automatically falls into the clamping groove for limiting, and the positioning of the loading actuator cylinder is finished.

When the next position is adjusted, the limiting rod is manually pulled upwards, and the adjusting process is consistent with the process. The draw-in groove design is the opening form (big-end-up promptly, and there is the contained angle on draw-in groove both sides), can guarantee that gag lever post and draw-in groove both sides are laminated completely, ensures that loading equipment operates steadily among the experimental operation process, no impact vibration. In the actual operation of a test, the loading load of the actuating cylinder is usually large, the device can ensure that the load is completely borne by the rolling wheels and the rolling track, the limiting rod is only used for limiting, and the actual loading load cannot be transmitted to the limiting rod and cannot be damaged.

Claims

1. An actuating cylinder positioning device is characterized by comprising a rolling track (1), at least two rollers (2), at least two rolling shafts (4), a supporting plate (3), a limiting plate (5) and a limiting rod (6),

the upper end surface of the rolling track (1) is provided with at least two rollers (2) in a rolling manner, and the rollers (2) roll along the upper end surface of the rolling track (1);

the rolling shaft (4) penetrates through the roller (2) and is rotationally connected with the roller (2); two ends of the at least two rollers (2) are respectively provided with a supporting plate (3); two ends of the at least two rolling shafts (4) are respectively and fixedly connected with the supporting plates (3) at two ends of the roller (2);

limiting plates (5) are respectively arranged on two side edges of the rolling track (1), and the supporting plate (3) is positioned between the end surface of the roller (2) and the limiting plates (5);

one end of the limiting rod (6) is connected with the supporting plate (3), the other end of the limiting rod penetrates through a clamping groove (50) formed in the limiting plate (5), and the clamping groove (50) is used for positioning the limiting rod (6).

2. Actuator positioning device according to claim 1, further comprising a connection plate (7), wherein the connection plate (7) is fixedly connected to the support plates (3) at the two ends of the roller (2), and the connection plate (7) is used for connecting the actuator mounting base.

3. The actuator cylinder positioning device according to claim 1, wherein the slot (50) is provided with a positioning hole (51), and the limiting rod (6) slides to the positioning hole (51) for limiting.

4. Actuator cylinder positioning device according to claim 3, characterised in that the limit rod (6) passes through the support plates (3) at the two ends of the roller (2) and through a slot (50) provided in the limit plate (5).

5. Actuator cylinder positioning device according to claim 4, characterized in that the limit rod (6) is provided with a handle at one end.

6. A positioning device for a ram, as claimed in claim 1, characterized in that a rolling bearing is provided in the roller (2), through which rolling bearing the rolling shaft (4) is rotatably connected to the roller (2).

7. The actuator cylinder positioning device according to claim 1, characterized in that the rolling rail (1) is fixedly connected with the limiting plates (5) at two sides through bolts; the rolling track (1) is connected with the fixed table top through bolts.