Comprehensive experiment platform for cylinder test

Abstract

The utility model provides a comprehensive experiment platform used for cylinder testing, comprising a base plate, a placing plate arranged on the base plate; the crank connecting rod mechanism is arranged on one side of the movable end of the air cylinder, the crank connecting mechanism can move in the X-axis direction, the crank connecting rod mechanism comprises a rotating part, a first connecting part is arranged on the rotating part, and a second connecting part is hinged to the other end of the first connecting part; the other end of the second connecting part is provided with a connecting unit used for being connected with the movable end of an air cylinder, the length of the first connecting part can be changed in the radial direction of the rotating part, and the length of the second connecting part is adjustable. The detection unit is used for detecting the torque of the rotating part, the angular travel of the air cylinder is detected by arranging a crank connecting rod mechanism, in addition, the length of the first connecting part and the length of the second connecting part can be adjusted according to force transmission parts of the air cylinder of different signals, and the comprehensive experiment of the differential actuator under different force transmission parts and positions is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of cylinder detection, especially a comprehensive experiment platform for cylinder test. BACKGROUND

[0002] As an indispensable core component in automation systems, the market demand for pneumatic actuators is showing a trend of continuous growth. Especially in the high-end fields of precision valves and intelligent fluid delivery, the performance requirements for pneumatic actuators are increasingly improving to meet the needs of high precision and high reliability.

[0003] Currently, the demand for angular stroke actuator cylinders on the market is particularly strong, especially for products with a cylinder diameter between Ф80 to Ф200MM. However, the design of key force transmission components such as the crank and connecting rod in these cylinders often relies on basic stress calculations, lacking systematic test data support. Due to the small size of these components and the lack of series test data, the design of the cylinder's force transmission components is not fine enough. This not only affects the uniformity of the cylinder's output torque, but also may cause peak jumps during output, thereby adversely affecting the stable operation of the equipment.

[0004] Under this background, it is particularly urgent to develop a comprehensive test platform that can adapt to different cylinder diameters and fine-tune the size and position of the cylinder's force transmission components. Such a platform will help improve the performance of pneumatic actuators and meet the growing market demand for high-precision and high-reliability pneumatic actuators. SUMMARY

[0005] The utility model provides a kind of comprehensive experiment platform for cylinder test, to solve the problem that the existing cylinder detection platform is single for the cylinder model when detecting the angular stroke of cylinder, without universality.

[0006] To achieve the above purpose, the embodiment of the utility model provides a kind of comprehensive experiment platform for cylinder test, comprising:

[0007] base plate,

[0008] mounting plate, set on the base plate, the mounting plate is used to install the cylinder to be tested;

[0009] crank connecting rod mechanism, set in the movable end side of cylinder, the crank connecting mechanism can move in X axis direction, the crank connecting rod mechanism includes a rotating component, the rotating component is provided with first connecting component, the other end of the first connecting component is hinged with second connecting component, the other end of the second connecting component is provided with connecting unit for being connected with the movable end of cylinder, the first connecting component can change length along the radial direction of the rotating component, the length of the second connecting component is adjustable;

[0010] a detection unit for detecting the torque of the rotating component.

[0011] Preferably, the base plate is provided with a first sliding seat, a second sliding seat and a support seat arranged along the Y axis, one end of the rotating component is provided with a sliding block, the sliding block is rotationally connected with the rotating component, the sliding block is arranged in the first sliding seat along the X axis and is movable or fixed relative to the first sliding seat, the other end of the rotating component passes through the support seat, and the two ends are located in the axial direction of the rotating component.

[0012] The detection unit is fixed to one end of the rotating component passing through the support seat, the detection unit is slidingly connected with the second sliding seat, and the detection unit is movable or fixed on the second sliding seat along the X axis.

[0013] The support seat is movable along the X axis.

[0014] Preferably, the rotating component is provided with a rotating boss in the circumferential direction, the first connecting component includes a first connecting body and a first connecting bolt arranged on the first connecting body, the first connecting body is arranged on the rotating boss through the first connecting bolt, and the first connecting body is adjusted to have a spacing distance from the rotating boss through the first connecting bolt.

[0015] Preferably, the second connecting component includes a connecting part and a second connecting body, the connecting part is hingedly connected with the first connecting body, the second connecting body is provided with a second connecting bolt, the second connecting body is arranged on the connecting part through the second connecting bolt, and the second connecting body is adjusted to have a spacing distance from the connecting part through the second connecting bolt.

[0016] Preferably, the connecting unit is a cross shaft component, and the movable end of the cylinder is connected with the two second connecting bodies through the cross shaft component.

[0017] Preferably, the first sliding seat and the second sliding seat are provided with guide grooves arranged along the X axis, and the sliding block is arranged in the guide grooves of the first sliding seat and the second sliding seat.

[0018] The first sliding seat and the second sliding seat are further provided with fastening bolts, and the fastening bolts are used to fix the relative positions of the sliding block and the first sliding seat and the detection unit and the second sliding seat.

[0019] Preferably, a limiting mechanism is further arranged below the crank connecting rod mechanism, and the limiting mechanism is used to limit the maximum stroke of the movable cylinder.

[0020] Preferably, the limiting mechanism comprises a limiting plate arranged below the crank connecting rod mechanism, and a limiting column arranged on the limiting plate and movable along the Z-axis direction, the limiting column being collinear with the movable end of the cylinder.

[0021] Preferably, the base plate is provided with a plurality of mounting holes, and the setting plate and the crank connecting rod mechanism are inserted into the mounting holes.

[0022] The above scheme of the utility model has the following beneficial effects:

[0023] In the application, the crank connecting rod mechanism is arranged to detect the angular stroke of the cylinder, and the lengths of the first connecting component and the second connecting component can be adjusted according to different signal cylinders, thereby meeting the comprehensive experiment of the differentiated actuators under different transmission components and positions.

[0024] Other features and advantages of the utility model will be described in detail in the subsequent specific implementation manner part. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a schematic view of the utility model;

[0026] Figure 2 is a schematic view of the crank connecting rod mechanism;

[0027] Figure 3 is a schematic view of the rotating component;

[0028] Figure 4 is a schematic view of the first connecting component;

[0029] Figure 5 is a schematic view of the second connecting component;

[0030] Figure 6 is a schematic view of the rotating component and the first and second connecting components.

[0031] REFERENCE SIGNS

[0032] 100-base plate, 110-mounting hole,

[0033] 200-setting plate,

[0034] 300-crank connecting rod mechanism, 310-rotating component, 311-sliding block, 312-rotating boss, 320-first connecting component, 321-first connecting body, 322-first connecting bolt, 323-first connecting nut, 330-second connecting component, 331-connection part, 332-second connecting body, 333-second connecting bolt, 340-connection unit, 350-first sliding seat, 352-fastening bolt, 360-second sliding seat, 370-supporting seat,

[0035] 400 - detection unit, 410 - flange

[0036] 500 - limiting mechanism, 510 - limiting plate, 520 - limiting column, DETAILED DESCRIPTION

[0037] To make the technical problems, technical solutions and advantages to be solved by the utility model more clear, the following will be described in detail in combination with the drawings and specific embodiments.

[0038] As Figures 1-6 shown, the embodiment of the utility model provides a kind of for the comprehensive experimental platform of cylinder test, including base plate 100, base plate 100 is along YZ plane vertical, is provided with setting plate 200 and crank connecting rod mechanism 300 on base plate 100, wherein setting plate 200 is detachably set on base plate 100 along XY plane, setting plate 200 is perpendicular to base plate 100, and this setting plate 200 is used to install the cylinder to be tested.The fixed end of cylinder is fixed on setting plate 200, and the movable end of cylinder is set in setting plate 200 and moves downward.Crank connecting rod mechanism 300, it is set in the movable end side of cylinder, in this embodiment, crank connecting rod mechanism 300 is set in the lower side of cylinder, and crank connecting rod mechanism 300 can be moved in X axis direction relative to base plate 100, to adapt to the cylinder of different size.

[0039] This crank connecting rod mechanism 300 includes a rotating component 310, is provided with first connecting component 320 on rotating component 310, and the other end of first connecting component 320 is hinged with second connecting component 330, and the other end of second connecting component 330 is provided with connecting unit 340, and this connecting unit 340 is used to be connected with the movable end of cylinder.Detection unit 400 is provided on rotating component 310, and detection unit 400 detects the torque of rotating component 310.During cylinder operation, by pushing second connecting component 330, power is sequentially transmitted to first connecting component 320 and rotating component 310, and rotating component 310 is driven to rotate to detect the performance of cylinder.It is preferably that detection unit 400 is torque detection sensor.

[0040] The aforementioned first connecting component 320 can change length along the radial direction of rotating component 310, and the length of second connecting component 330 is adjustable, to adapt to the position of cylinder after fine tuning.

[0041] In order to realize the movement of the crank connecting rod mechanism 300 in the X-axis direction, the comprehensive experimental platform for cylinder test further comprises a first sliding seat 350, a second sliding seat 360 and a support seat 370 arranged between the first sliding seat 350 and the second sliding seat 360, wherein the first sliding seat 350, the second sliding seat 360 and the support seat 370 are arranged at intervals along the Y-axis direction, the rotating part 310 comprises a first end and a second end, the first end and the second end are two ends of the rotating part 310 in the Y-axis direction, wherein the first end is rotatably provided with a sliding block 311, the rotating part 310 can rotate relative to the sliding block 311, and the first sliding seat 350 is provided with a guide groove in the X direction, and the sliding block 311 slides in the first sliding seat 350 along the X direction. Preferably, the guide groove and the sliding block 311 are both T-shaped, and when the sliding block 311 is assembled in the guide groove, the guide groove limits the movement of the sliding block 311 in the Y and Z directions.

[0042] The first sliding seat 350 is further provided with a first waist-shaped hole, the direction of the first waist-shaped hole is the same as that of the guide groove, a fastening bolt 352 is arranged in the first waist-shaped hole, the fastening bolt 352 is arranged in the first waist-shaped hole and is screwed with the sliding block 311, so as to limit the position of the sliding block 311 in the X direction.

[0043] Preferably, a bearing is arranged between the rotating part 310 and the sliding block 311 to reduce the friction between the rotating part 310 and the sliding block 311.

[0044] Further, the second end of the rotating part 310 is connected with the detection unit 400 after being arranged in the support seat 370. The detection unit 400 is arranged on the second sliding seat 360 and slides or is fixed relative to the second sliding seat 360 in the X direction. Similarly, the second sliding seat 360 is also provided with a guide groove in the X direction, and the detection unit 400 is slidably arranged in the guide groove.

[0045] The second sliding seat 360 is provided with a second waist-shaped hole, the direction of the second waist-shaped hole is the same as that of the guide groove on the second sliding seat 360, and a fastening bolt 352 is also arranged in the second waist-shaped hole, the fastening bolt 352 is arranged in the second waist-shaped hole and is screwed with the detection unit 400, so as to limit the position of the detection unit 400 in the X direction.

[0046] Preferably, the detection unit 400 and the second sliding seat 360 are connected through a flange 410, and the fastening bolt 352 is screwed with the flange 410 to realize the X direction limiting. By arranging the flange 410, the damage to the detection unit 400 is reduced, and the connection is facilitated.

[0047] Preferably, a bearing is arranged between the support seat 370 and the rotating part 310, and the bearing is used to reduce the friction between the support seat 370 and the rotating part 310.

[0048] The support base 370 can move along the X-axis direction.

[0049] The rotating component 310 is provided with rotating bosses 312 in the circumferential direction, and the rotating bosses 312 are provided in two groups, and the connecting line of the two rotating bosses 312 in each group is parallel to the first diameter of the rotating component 310. The first connecting component 320 includes a first connecting body 321 and a first connecting bolt 322 provided on the first connecting body 321, and the first connecting bolt 322 is screwed with the rotating boss 312 after being provided in the first connecting body 321. By adjusting the depth of the first connecting bolt 322 screwed in the rotating boss 312, the distance between the rotating boss 312 and the first connecting component 331 is adjusted, and the distance is in the direction of the second diameter, and the second diameter is perpendicular to the first diameter.

[0050] Preferably, the first connecting bolt 322 is further screwed with a first connecting nut 323, and the first connecting nut 323 is abutted to the first connecting body 321 below the first connecting body 321.

[0051] Further, the second connecting component 330 includes a connecting part 331 and a second connecting body 332, the connecting part 331 is hinged with the first connecting body 321, and the second connecting body 332 is provided with a second connecting bolt 333, and the second connecting bolt 333 is screwed with the connecting part 331 after being provided in the second connecting body 332. By adjusting the depth of the second connecting bolt 333 screwed in the connecting part 331, the distance between the connecting part 331 and the second connecting body 332 is adjusted.

[0052] Preferably, the second connecting bolt 333 is further screwed with a second connecting nut, and the second connecting nut is abutted to the second connecting body 332 below the second connecting body 332.

[0053] The connecting unit 340 is rotatably provided on the two second connecting bodies 332, and the connecting unit 340 is used for fixing the movable end of the air cylinder. In the embodiment, the rotating unit is a cross shaft component, the cross shaft component is provided with a rotating shaft in the Y direction and a fixing position for fixing the movable end of the air cylinder in the Z direction. Correspondingly, the two second connecting bodies 332 are provided with rotating rings, the rotating shaft is inserted into the rotating rings and can rotate in the rotating rings.

[0054] The comprehensive experimental platform for air cylinder test further includes a limiting mechanism 500, the limiting mechanism 500 is located below the crank connecting rod mechanism 300, and the limiting mechanism 500 is used for limiting the maximum stroke of the air cylinder.

[0055] In the embodiment, the limiting mechanism 500 comprises a limiting plate 510 and a limiting column 520, the limiting plate 510 is vertically arranged on the base plate 100, and the limiting column 520 which can move along the Z-axis direction is arranged on the limiting plate 510. The limiting column 520 is collinear with the movable end of the cylinder. The limiting column 520 is screwed with the limiting plate 510, and the adjustment of the limiting column 520 is realized by adjusting the distance of the limiting column 520 extending out of the limiting plate 510 along the Z-axis direction.

[0056] The base plate 100 is provided with a plurality of mounting holes 110, and the setting plate 200 and the crank connecting rod mechanism 300 are inserted into the mounting holes 110. Specifically, the base plate 100 is provided with a plurality of mounting holes 110 arranged in a rectangular array, the setting plate 200 is provided with an insertion block for being inserted into the mounting hole 110, and the setting plate 200 is inserted into the base plate 100 through the insertion block. Similarly, the first sliding seat 350 and the second sliding seat 360 are both provided with an insertion block, and the first sliding seat 350 and the second sliding seat 360 are respectively inserted into the base plate 100 through the insertion block. The support seat 370 is also provided with an extension bolt, the extension bolt is screwed with the support seat 370 after penetrating through the mounting hole 110, and the movement of the support seat 370 in the X direction is adjusted by adjusting the length of the extension bolt penetrating through the base plate 100. Preferably, the extension bolt is also provided with an extension nut, the extension nut is located between the base plate 100 and the support seat 370, the extension nut abuts against the base plate 100 to fix the extension nut, and then the support seat 370 is fixed.

[0057] Preferably, the comprehensive experimental platform for cylinder test further comprises a control system, the control system is used for controlling the cylinder to perform different actions.

[0058] The above is the preferred embodiment of the present application, it should be pointed out that, for the ordinary skilled in the art, without departing from the principles of the present application, can make a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A comprehensive experimental platform for cylinder testing, characterized in that, include: Base plate (100), A mounting plate (200) is disposed on the base plate (100), and the mounting plate (200) is used to mount the cylinder to be tested; A crank-connecting rod mechanism (300) is disposed on the movable end side of the cylinder. The crank-connecting rod mechanism is movable in the X-axis direction. The crank-connecting rod mechanism (300) includes a rotating component (310). A first connecting component (320) is disposed on the rotating component (310). A second connecting component (330) is hinged to the other end of the first connecting component (320). A connecting unit (340) for connecting to the movable end of the cylinder is disposed at the other end of the second connecting component (330). The length of the first connecting component (320) can be changed along the radial direction of the rotating component (310). The length of the second connecting component (330) is adjustable. The detection unit (400) is used to detect the torque of the rotating component (310).

2. The comprehensive experimental platform for cylinder testing according to claim 1, characterized in that: The base plate (100) is provided with a first slide (350), a second slide (360) spaced apart along the Y-axis, and a support seat (370) disposed between the first slide (350) and the second slide (360). One end of the rotating component (310) is provided with a slider (311), which is rotatably connected to the rotating component (310). The slider (311) is disposed within the first slide (350) along the X-axis and can move or be fixed relative to the first slide (350). The other end of the rotating component (310) passes through the support seat (370), and the two ends are located along the axial direction of the rotating component (310). The detection unit (400) is fixed to one end of the rotating component (310) that passes through the support base (370). The detection unit (400) is slidably connected to the second slide (360). The detection unit (400) moves or is fixed on the second slide (360) along the X-axis. The support base (370) can move along the X-axis.

3. The comprehensive experimental platform for cylinder testing according to claim 1, characterized in that: The rotating component (310) is provided with a rotating boss (312) in the circumferential direction. The first connecting component (320) includes a first connecting body (321) and a first connecting bolt (322) provided on the first connecting body (321). The first connecting body (321) is provided on the rotating boss (312) through the first connecting bolt (322). The first connecting body (321) and the rotating boss (312) are adjusted in distance through the first connecting bolt (322).

4. The comprehensive experimental platform for cylinder testing according to claim 3, characterized in that: The second connecting component (330) includes a connecting part (331) and a second connecting body (332). The connecting part (331) is hinged to the first connecting body (321). The second connecting body (332) is provided with a second connecting bolt (333). The second connecting body (332) is mounted on the connecting part (331) by the second connecting bolt (333). The second connecting body (332) and the connecting part (331) are adjusted in distance by the second connecting bolt (333).

5. The comprehensive experimental platform for cylinder testing according to claim 4, characterized in that: The connecting unit (340) is a cross shaft component, and the movable end of the cylinder is connected to the two second connecting bodies (332) through the cross shaft component.

6. The comprehensive experimental platform for cylinder testing according to claim 2, characterized in that: The first slide (350) and the second slide (360) are provided with guide grooves arranged along the X-axis direction, and the guide grooves of the first slide (350) and the second slide (360) are located inside the guide grooves. The first slide (350) and the second slide (360) are also provided with fastening bolts (352), which are used to fix the relative positions of the slider (311) and the first slide (350), and the detection unit (400) and the second slide (360).

7. The comprehensive experimental platform for cylinder testing according to claim 1, characterized in that: A limiting mechanism (500) is also provided below the crank-connecting rod mechanism (300), which is used to limit the maximum stroke of the cylinder.

8. The comprehensive experimental platform for cylinder testing according to claim 7, characterized in that: The limiting mechanism (500) includes a limiting plate (510), which is disposed below the crank connecting rod mechanism (300). The limiting plate (510) is provided with a limiting post (520) that can move along the Z-axis. The limiting post (520) is collinear with the movable end of the cylinder.

9. The comprehensive experimental platform for cylinder testing according to claim 1, characterized in that: The base plate (100) is provided with a plurality of mounting holes (110), and the mounting plate (200) and the crank connecting rod mechanism (300) are inserted into the mounting holes (110).

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