阅读说明：本技术 一种高速直线运动轨道测试装置 (High-speed linear motion track testing device ) 是由 黄永江 施优优 董克林 于 2021-10-28 设计创作，主要内容包括：本发明公开了一种高速直线运动轨道测试装置,包括机架、旋转编码器位置速度检测装置,所述旋转编码器位置速度检测装置与机架左端安装,机架内设置有定滑轮组一,定滑轮组一上连接有钢丝绳一,钢丝绳一右端设置有过渡轮一,过渡轮一右侧设置有动滑轮组一；所述动滑轮组一上连接有钢丝绳二,钢丝绳二右端设置有过渡轮二,钢丝绳二下方设置有定滑轮组二,过渡轮二右侧设置有动滑轮组二,动滑轮组二右侧设置有液压传动油缸,动滑轮组二上方设置有光电检测开关。本发明能在极短的距离、时间内加速到120m/s,并在极短的距离、时间内减速、制动,在高速运行时能准确地检测和控制位置、速度,平稳的加减速、运行和制动。(The invention discloses a high-speed linear motion track testing device which comprises a rack and a rotary encoder position and speed detecting device, wherein the rotary encoder position and speed detecting device is installed at the left end of the rack; the movable pulley block I is connected with a steel wire rope II, the right end of the steel wire rope II is provided with a transition wheel II, a fixed pulley block II is arranged below the steel wire rope II, the right side of the transition wheel II is provided with a movable pulley block II, the right side of the movable pulley block II is provided with a hydraulic transmission oil cylinder, and a photoelectric detection switch is arranged above the movable pulley block II. The invention can accelerate to 120m/s within extremely short distance and time, decelerate and brake within extremely short distance and time, can accurately detect and control position and speed during high-speed running, and can stably accelerate, decelerate, run and brake.)

1. A high-speed linear motion track testing device comprises a rack (3) and a rotary encoder position and speed detecting device (1), and is characterized in that the rotary encoder position and speed detecting device (1) is installed at the left end of the rack (3), a fixed pulley block I (2) is arranged in the rack (3), a steel wire rope I (4) is connected onto the fixed pulley block I (2), a transition wheel I (401) is arranged at the right end of the steel wire rope I (4), and a movable pulley block I (5) is arranged on the right side of the transition wheel I (401);

the device is characterized in that a steel wire rope II (6) is connected to the movable pulley block I (5), a transition wheel II (601) is arranged at the right end of the steel wire rope II (6), a fixed pulley block II (7) is arranged below the steel wire rope II (6), a movable pulley block II (8) is arranged on the right side of the transition wheel II (601), a hydraulic transmission oil cylinder (9) is arranged on the right side of the movable pulley block II (8), and a photoelectric detection switch (15) is arranged above the movable pulley block II (8).

2. The high-speed linear motion track testing device as claimed in claim 1, wherein a moving trolley guide rail (13) is arranged on the inner wall of the rack (3), and a moving trolley roller guard plate (10) is arranged at the upper end of the moving trolley guide rail (13).

3. The high-speed linear motion rail test device according to claim 1, wherein a moving trolley (11) is arranged between the two moving trolley roller guard plates (10).

4. The high-speed linear motion rail testing device according to claim 1, wherein a first movable pulley block guide rail (12) is arranged in the machine frame (3), and a second movable pulley block guide rail (14) is arranged below one side of the first movable pulley block guide rail (12).

Technical Field

The invention relates to the technical field of linear motion speed measuring devices, in particular to a high-speed linear motion track testing device.

Background

The high-speed linear motion track testing device needs to decelerate and brake within an extremely short distance and time, and the moving acceleration, speed and position are difficult to be effectively controlled at a high speed of 120m/s due to the mechanical structure, system response and the like. At present, a similar high-speed linear motion track test system is not seen. Therefore, the present invention provides a high-speed linear motion track testing device to solve the above problems in the prior art.

Disclosure of Invention

The invention aims to provide a high-speed linear motion track testing device to solve the problems in the background technology, such as high-speed motion test of a sweep wireless broadband communicator and an antenna.

In order to achieve the purpose, the invention provides the following technical scheme:

a high-speed linear motion track testing device comprises a rack and a rotary encoder position and speed detecting device, wherein the rotary encoder position and speed detecting device is installed at the left end of the rack;

the movable pulley block I is connected with a steel wire rope II, the right end of the steel wire rope II is provided with a transition wheel II, a fixed pulley block II is arranged below the steel wire rope II, the right side of the transition wheel II is provided with a movable pulley block II, the right side of the movable pulley block II is provided with a hydraulic transmission oil cylinder, and a photoelectric detection switch is arranged above the movable pulley block II.

The fixed pulley block, the movable pulley block and the steel wire rope are symmetrically arranged on two sides of the frame by taking the central line as the standard, so that a closed-loop motion system is formed.

Preferably: the upper part of the inner wall of the rack is provided with a moving trolley guide rail, and the upper end of the moving trolley guide rail is provided with a moving trolley roller guard plate.

Preferably: and a moving trolley is arranged between the two moving trolley roller guard plates.

Preferably: a first movable pulley block guide rail is arranged in the rack, and a second movable pulley block guide rail is arranged below one side of the first movable pulley block guide rail.

Compared with the prior art, the invention has the beneficial effects that:

the invention can accelerate to 120m/s within extremely short distance and time, decelerate and brake within extremely short distance and time, can accurately detect and control position and speed during high-speed running, and can stably accelerate, decelerate, run and brake.

Drawings

Fig. 1 is a schematic plan view of a high-speed linear motion track testing apparatus according to an embodiment of the present disclosure.

Fig. 2 is a schematic structural diagram of a first movable pulley block guide rail in the high-speed linear motion rail testing device provided by the embodiment of the application.

Fig. 3 is a schematic structural diagram of a second movable pulley block guide rail in the high-speed linear motion rail testing device provided in the embodiment of the present application.

In the figure: 1. a rotary encoder position and speed detecting device; 2. a fixed pulley block I; 3. a frame; 4. a first steel wire rope; 401. a first transition wheel; 5. a movable pulley block I; 6. a second steel wire rope; 601. a second transition wheel; 7. A fixed pulley block II; 8. a movable pulley block II; 9. a hydraulic transmission oil cylinder;

10. a trolley roller guard board is moved; 11. moving the trolley; 12. a movable pulley block guide rail I; 13. moving the trolley guide rail; 14. a movable pulley block guide rail II; 15. a photoelectric detection switch;

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1 to 3, in the embodiment of the invention, a high-speed linear motion track testing device comprises a rack 3 and a rotary encoder position and speed detecting device 1, wherein a moving trolley guide rail 13 is arranged at the upper part of the inner wall of the rack 3, a moving trolley roller guard plate 10 is arranged at the upper end of the moving trolley guide rail 13, a moving trolley 11 is arranged between the two moving trolley roller guard plates 10, a moving pulley block guide rail I12 is arranged in the rack 3, and a moving pulley block guide rail II 14 is arranged below one side of the moving pulley block guide rail I12;

the rotary encoder position and speed detection device 1 is installed at the left end of a rack 3, a fixed pulley block I2 is arranged in the rack 3, a steel wire rope I4 is connected to the fixed pulley block I2, a transition wheel I401 is arranged at the right end of the steel wire rope I4, and a movable pulley block I5 is arranged on the right side of the transition wheel I401;

a second steel wire rope 6 is connected to the first movable pulley block 5, a second transition wheel 601 is arranged at the right end of the second steel wire rope 6, a second fixed pulley block 7 is arranged below the second steel wire rope 6, a second movable pulley block 8 is arranged on the right side of the second transition wheel 601, a hydraulic transmission oil cylinder 9 is arranged on the right side of the second movable pulley block 8, and a photoelectric detection switch 15 is arranged above the second movable pulley block 8;

the device is a mechanical device for testing a high-speed mobile communication system (such as high-speed motion test of a sweep wireless broadband communicator and an antenna), and comprises a frame 3, a movable pulley block, a fixed pulley block, a rotary encoder position and speed detection device 1, a photoelectric detection switch 15, a movable trolley 11, a hydraulic transmission oil cylinder 9 and the like;

the fixed pulley blocks in the device are symmetrical pairwise by the central line;

the testing device is pushed by a hydraulic transmission oil cylinder 9 which can move at high speed, and is accelerated by a steel wire rope and two groups of movable pulleys and fixed pulleys which are connected; two groups of fixed pulley blocks are fixed in the frame 3, two groups of movable pulley blocks are respectively arranged on two groups of guide rails in the frame 3, and the movable pulley blocks can do linear motion along the respective guide rails under the traction of the steel wire ropes; the steel wire rope is fixed with the movable trolley 11 and drags the movable trolley 11 to do linear motion along the guide rail on the rack 3, and the movable trolley 11 is used for mounting a tested element of the high-speed mobile communication system.

When the hydraulic transmission oil cylinder 9 moves, the movable pulley block II 8 is directly driven to move on the track through the connecting rod, one end of the steel wire rope II 6 is fixed on the wheel frame of the fixed pulley block II 7, and the other end of the steel wire rope II is connected to the guide rail of the movable pulley block I5 through the movable pulley block II 8, the roller of the fixed pulley block II 7 and the transition wheel II 601 and drags the movable pulley block I5 to move on the guide rail; one end of a steel wire rope I4 is fixed on a wheel carrier of a fixed pulley block I2, the other end of the steel wire rope I4 is connected to the other end of the testing device through a movable pulley block I5, a roller of the fixed pulley block I2, a transition wheel I401 and a roller on a rotary encoder position and speed detecting device 1, the moving trolley 11 is fixed with the steel wire rope I4, the movable pulley block I5 drives the steel wire rope I4 to move when moving, the moving trolley 11 makes linear motion along a guide rail on a rack 3, and the moving speed changes along with the change of the moving speed of a hydraulic transmission oil cylinder 9.

The idler wheel on the rotary encoder position and speed detection device 1 is driven by a steel wire rope I4 to rotate, the synchronous belt and the synchronous belt wheel are used for reducing speed to drive the rotary encoder position and speed detection device 1 to synchronously rotate, and the moving speed, the acceleration and the deceleration and the position of the movable trolley 11 on the track are controlled through signals of the high-precision rotary encoder position and speed detection device 1; in consideration of the errors possibly brought by the high-speed movement of the movable trolley 11 and the detection of the position and speed detection device 1 of the rotary encoder, a group of photoelectric detection switches 15 are also arranged in the middle of the detection device, the position and the movement speed of the movable trolley 11 on the guide rail can be directly detected, and the group of photoelectric detection switches 15 can be synchronous with photoelectric signal receiving switches of detected elements, such as high-speed wireless communication systems like a sweep-type wireless broadband communicator and an antenna, so that the detection precision and the control reliability are ensured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.