Hydraulic cylinder displacement fault detection device

Abstract

The utility model discloses a hydraulic cylinder displacement fault detection device, and relates to the technical field of hydraulic cylinders, the hydraulic cylinder displacement fault detection device comprises a workbench, the front side and the rear side of the top of the workbench are fixedly connected with connecting frames, the inner cavity of each connecting frame is slidably connected with a cross plate, and the top of each cross plate is fixedly connected with a fixed frame. According to the hydraulic cylinder displacement fault detection device, a cross plate horizontally moves forwards, so that a toothed plate drives a ratchet wheel to rotate forwards, a first rotating rod drives a first bevel gear and a second bevel gear to rotate, at the moment, the first bevel gear drives a third bevel gear to rotate, and the third bevel gear drives a second rotating rod to rotate; the first screw is driven to rotate, the U-shaped frame is made to move inwards through limiting of the sliding rod, four sets of fixed arc plates are driven to move inwards synchronously, accordingly, hydraulic cylinders of different models are subjected to center positioning and clamping, and detection of the hydraulic cylinders is completed through the arranged detector.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic cylinders, in particular to a hydraulic cylinder displacement fault detection device. Background Art

[0002] The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion. It has a simple structure and reliable operation. When it is used to achieve reciprocating motion, the deceleration device can be eliminated, and there is no transmission gap and the movement is smooth. Therefore, it is widely used in the hydraulic systems of various machines. When the hydraulic cylinder leaves the factory, a detection device is required.

[0003] However, since most of the existing detection devices manually fix the hydraulic cylinder on the detection device, when detecting hydraulic cylinders of different models, the center point positioning may be inaccurate, resulting in the need to re-position the hydraulic cylinder for detection, affecting the detection efficiency of the hydraulic cylinder. In this regard, we propose a hydraulic cylinder displacement fault detection device to solve the above problem. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a hydraulic cylinder displacement fault detection device, which solves the problem that most detection devices are manually fixed to the hydraulic cylinder. When detecting hydraulic cylinders of different models, the center point may be inaccurately positioned, resulting in the need to re-position the hydraulic cylinder for detection.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a hydraulic cylinder displacement fault detection device, including a workbench, the front and rear sides of the top of the workbench are fixedly connected with a connection frame, the inner cavity of the connection frame is slidably connected with a cross plate, the top of the cross plate is fixedly connected with a fixed frame, the outer surface of the fixed frame is fixedly connected with a first support plate around, the inner cavity of the first support plate is movably provided with a transmission assembly, the top of the workbench is fixedly connected with a second support plate, and the surface on the right side of the second support plate is fixedly connected with a toothed plate;

[0006] The transmission assembly includes a first rotating rod, one end of the first rotating rod is fixedly connected to the first bevel gear, the other end of the first rotating rod is fixedly connected to the second bevel gear, the outer surface of the fixed frame is fixedly connected to a third support plate all around, the inner cavity of the third support plate is movably connected to the second rotating rod through a bearing, one end of the second rotating rod is fixedly connected to the third bevel gear, the other end of the second rotating rod is fixedly connected to the first screw, a U-shaped frame is threadedly sleeved on the surface of the first screw, and a fixed arc plate is fixedly connected to the bottom of the U-shaped frame.

[0007] Preferably, the number of the first bevel gears, the second bevel gears and the first rotating rod is eight, the surfaces of the second bevel gears on the lower left and lower right sides are respectively meshed with the surfaces of the first bevel gears on the lower left and lower right sides, and the surfaces of the first bevel gears on the upper left and upper right sides are respectively meshed with the surfaces of the first bevel gears on the upper left and upper right sides.

[0008] Preferably, the surface of the third bevel gear meshes with the surfaces of the first bevel gear and the second bevel gear, and a detector is fixedly provided on the top of the workbench.

[0009] Preferably, a ratchet is provided on the surface fixing sleeve of the first rotating rod on the lower left side, and the surface of the ratchet is meshed with the top of the toothed plate.

[0010] Preferably, the inner cavity of the connecting frame is movably connected to a second screw via a bearing, the surface of the second screw is threadedly connected to the inner cavity of the cross plate, the outer surface of the connecting frame is fixedly connected to a rotating motor, and the output end of the rotating motor is fixedly connected to one end of the outer side of the second screw.

[0011] Preferably, the number of the fixed arc plates is eight, four fixed arc plates form a group, and the four fixed arc plates are distributed in a ring array.

[0012] Preferably, the inner cavity of the U-shaped frame is slidably connected with a sliding rod, one end of the sliding rod is fixedly connected to the inner cavity of the third support plate, and one end of the first screw rod close to the fixed arc plate is fixedly connected to a limiting ring. Beneficial Effects

[0013] The utility model provides a hydraulic cylinder displacement fault detection device. Compared with the prior art, it has the following beneficial effects:

[0014] The hydraulic cylinder displacement fault detection device moves the cross plate forward horizontally, so that the tooth plate drives the ratchet to rotate forward, so that the first rotating rod drives the first bevel gear and the second bevel gear to rotate, and then the first bevel gear drives the third bevel gear to rotate, so that the third bevel gear drives the second rotating rod to rotate, and drives the first screw rod to rotate, and through the limiting of the sliding rod, the U-shaped frame moves inward, driving the four sets of fixed arc plates to move inward synchronously, so as to perform center positioning and clamping of hydraulic cylinders of different models, and then complete the detection of the hydraulic cylinder through the set detector. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the main view of the overall structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 Main view of local structure;

[0017] Figure 3This is the front view of the internal structure of the connection frame of the utility model;

[0018] Figure 4 This is a plan view of the transmission assembly structure of the utility model;

[0019] Figure 5 This is the front view of the self-fixing component structure of the utility model.

[0020] In the figure: 1, workbench; 2, detector; 3, connecting frame; 4, second support plate; 5, transmission assembly; 6, tooth plate; 7, rotating motor; 8, cross plate; 9, second screw; 10, fixed frame; 11, first support plate; 12, third support plate; 13, second rotating rod; 14, U-shaped frame; 15, fixed arc plate; 16, sliding rod; 17, first screw; 18, limiting ring; 501, first rotating rod; 502, second bevel gear; 503, first bevel gear; 504, ratchet; 505, third bevel gear. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 5 The utility model provides a technical solution, which specifically includes the following embodiments:

[0023] A hydraulic cylinder displacement fault detection device comprises a workbench 1, a connection frame 3 is fixedly connected to the front and rear sides of the top of the workbench 1, a cross plate 8 is slidably connected to the inner cavity of the connection frame 3, a fixed frame 10 is fixedly connected to the top of the cross plate 8, a first support plate 11 is fixedly connected to the outer surface of the fixed frame 10, a transmission assembly 5 is movably provided in the inner cavity of the first support plate 11, a second support plate 4 is fixedly connected to the top of the workbench 1, and a tooth plate 6 is fixedly connected to the surface on the right side of the second support plate 4;

[0024] The transmission assembly 5 includes a first rotating rod 501, one end of the first rotating rod 501 is fixedly connected to a first bevel gear 503, the other end of the first rotating rod 501 is fixedly connected to a second bevel gear 502, the outer surface of the fixed frame 10 is fixedly connected to a third support plate 12 all around, the inner cavity of the third support plate 12 is movably connected to a second rotating rod 13 through a bearing, one end of the second rotating rod 13 is fixedly connected to a third bevel gear 505, the other end of the second rotating rod 13 is fixedly connected to a first screw rod 17, a U-shaped frame 14 is threadedly sleeved on the surface of the first screw rod 17, and a fixed arc plate 15 is fixedly connected to the bottom of the U-shaped frame 14;

[0025] By placing the hydraulic cylinder in the inner cavity of the fixed frame 10, the rotating motor 7 is started through the external control switch, and the rotating motor 7 rotates forward, driving the cross plate 8 to move forward horizontally, so that the toothed plate 6 drives the ratchet 504 to rotate forward, so that the first rotating rod 501 drives the first bevel gear 503 and the second bevel gear 502 to rotate, and at this time the first bevel gear 503 drives the third bevel gear 505 to rotate, so that the third bevel gear 505 drives the second rotating rod 13 to rotate, and drives the first screw rod 17 to rotate, and through the limiting of the sliding rod 16, the U-shaped frame 14 moves inward, driving the four groups of fixed arc plates 15 to move inward synchronously, so as to perform center positioning and clamping of hydraulic cylinders of different models, and then the detection of the hydraulic cylinder is completed through the set detector 2.

[0026] There are eight first bevel gears 503, second bevel gears 502 and first rotating rods 501. The surfaces of the second bevel gears 502 on the lower left and lower right sides are respectively meshed with the surfaces of the first bevel gears 503 on the lower left and lower right sides, and the surfaces of the first bevel gears 503 on the upper left and upper right sides are respectively meshed with the surfaces of the first bevel gears 503 on the upper left and upper right sides;

[0027] The first rotating rod 501 on the left side of the bottom drives the first bevel gear 503 on the left side of the bottom to rotate, and the second bevel gear 502 on the left side of the bottom starts to rotate, and the second bevel gear 502 on the left side of the bottom drives the third bevel gear 505 on the bottom to rotate, and the second bevel gear 502 on the left side of the bottom drives the first rotating rod 501 on the left side of the bottom to rotate, and the first rotating rod 501 on the left side of the bottom drives the first bevel gear 503 on the left side of the bottom to rotate, so that the third bevel gear 505 on the left side rotates, and the third bevel gears 505 on the left and bottom rotate, driving the second bevel gear 502 on the top left and the first bevel gear 503 on the right side of the bottom to rotate, so that the first bevel gear 503 on the top left and the second bevel gear 502 on the right side of the bottom rotate, thereby causing the third bevel gear 505 on the right and the third bevel gear 505 on the top to rotate.

[0028] The surface of the third bevel gear 505 meshes with the surfaces of the first bevel gear 503 and the second bevel gear 502, and a detector 2 is fixedly provided on the top of the workbench 1;

[0029] By setting up the detector 2, the device can complete the detection of the hydraulic cylinder, which is convenient for the use of the device.

[0030] A ratchet 504 is fixedly sleeved on the surface of the first rotating rod 501 at the lower left side, and the surface of the ratchet 504 is meshed with the top of the toothed plate 6;

[0031] The ratchet wheel 504 is arranged to drive the first rotating rod 501 on the left side of the bottom to rotate, so as to facilitate the normal use of the transmission assembly 5 .

[0032] The inner cavity of the connection frame 3 is movably connected to the second screw 9 through a bearing, the surface of the second screw 9 is threadedly connected to the inner cavity of the cross plate 8, the outer surface of the connection frame 3 is fixedly connected to the rotating motor 7, and the output end of the rotating motor 7 is fixedly connected to one end of the outer side of the second screw 9;

[0033] By providing the rotating motor 7, the device is provided with a power source, so as to facilitate the clamping of the hydraulic cylinder.

[0034] The number of the fixed arc plates 15 is eight, four fixed arc plates 15 form a group, and the four fixed arc plates 15 are distributed in a ring array.

[0035] The inner cavity of the U-shaped frame 14 is slidably connected with a slide rod 16, one end of the slide rod 16 is fixedly connected to the inner cavity of the third support plate 12, and one end of the first screw rod 17 close to the fixed arc plate 15 is fixedly connected to a limiting ring 18;

[0036] By limiting the position of the slide bar 16 , the U-shaped frame 14 moves inwards, so as to drive the four groups of fixed arc plates 15 to move inwards synchronously.

[0037] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0038] During operation, when positioning hydraulic cylinders of different types, the hydraulic cylinders are placed in the inner cavity of the fixed frame 10, and the rotating motor 7 is started by an external control switch. The rotating motor 7 rotates forward, driving the cross plate 8 to move forward horizontally, so that the toothed plate 6 drives the ratchet 504 to rotate forward, so that the first rotating rod 501 drives the first bevel gear 503 and the second bevel gear 502 to rotate. At this time, the first bevel gear 503 drives the third bevel gear 505 to rotate, so that the third bevel gear 505 drives the second rotating rod 13 to rotate, and drives the first screw rod 17 to rotate. Through the limiting of the sliding rod 16, the U-shaped frame 14 moves inward, driving the four sets of fixed arc plates 15 to move inward synchronously, so as to perform center positioning and clamping of hydraulic cylinders of different types, and then complete the detection of the hydraulic cylinder through the set detector 2;

[0039] Specific principle of transmission assembly 5: ratchet 504 drives the first rotating rod 501 on the left side of the bottom to rotate, the first rotating rod 501 on the left side of the bottom drives the first bevel gear 503 on the left side of the bottom to rotate, the second bevel gear 502 on the left side of the bottom starts to rotate, the second bevel gear 502 on the left side of the bottom drives the third bevel gear 505 on the bottom to rotate, the second bevel gear 502 on the left side of the bottom drives the first rotating rod 501 on the left side of the bottom to rotate, the first rotating rod 501 on the left side of the bottom drives the first bevel gear 503 on the left side of the bottom to rotate, so that the third bevel gear 505 on the left side rotates, the third bevel gear 505 on the left and the bottom rotates, driving the second bevel gear 502 on the top of the left side and the first bevel gear 503 on the right side of the bottom to rotate, so that the first bevel gear 503 on the top of the left side and the second bevel gear 502 on the bottom of the right side rotate, thereby making the third bevel gear 505 on the right side and the third bevel gear 505 on the top rotate, completing the synchronous inward movement of the fixed arc plate 15.

Claims

1. A hydraulic cylinder displacement fault detection device, comprising a workbench (1), characterized in that: The front and rear sides of the top of the workbench (1) are fixedly connected to a connection frame (3); the inner cavity of the connection frame (3) is slidably connected to a cross plate (8); the top of the cross plate (8) is fixedly connected to a fixed frame (10); the outer surface of the fixed frame (10) is fixedly connected to a first support plate (11) on all sides; the inner cavity of the first support plate (11) is movably provided with a transmission assembly (5); the top of the workbench (1) is fixedly connected to a second support plate (4); the right surface of the second support plate (4) is fixedly connected to a toothed plate (6); The transmission assembly (5) comprises a first rotating rod (501), one end of the first rotating rod (501) is fixedly connected to a first bevel gear (503), the other end of the first rotating rod (501) is fixedly connected to a second bevel gear (502), the outer surface of the fixed frame (10) is fixedly connected to a third support plate (12) on all sides, the inner cavity of the third support plate (12) is movably connected to a second rotating rod (13) via a bearing, one end of the second rotating rod (13) is fixedly connected to a third bevel gear (505), the other end of the second rotating rod (13) is fixedly connected to a first screw rod (17), a U-shaped frame (14) is threadedly sleeved on the surface of the first screw rod (17), and a fixed arc plate (15) is fixedly connected to the bottom of the U-shaped frame (14).

2. A hydraulic cylinder displacement fault detection device according to claim 1, characterized in that: The number of the first bevel gears (503), the second bevel gears (502) and the first rotating rod (501) is eight, the surfaces of the second bevel gears (502) on the lower left and lower right sides are respectively meshed with the surfaces of the first bevel gears (503) on the lower left and lower right sides, and the surfaces of the first bevel gears (503) on the upper left and upper right sides are respectively meshed with the surfaces of the first bevel gears (503) on the upper left and upper right sides.

3. A hydraulic cylinder displacement fault detection device according to claim 1, characterized in that: The surface of the third bevel gear (505) meshes with the surfaces of the first bevel gear (503) and the second bevel gear (502), and a detector (2) is fixedly provided on the top of the workbench (1).

4. A hydraulic cylinder displacement fault detection device according to claim 1, characterized in that: A ratchet wheel (504) is fixedly mounted on the surface of the first rotating rod (501) at the lower left side, and the surface of the ratchet wheel (504) is meshed with the top of the toothed plate (6).

5. A hydraulic cylinder displacement fault detection device according to claim 1, characterized in that: The inner cavity of the connection frame (3) is movably connected to a second screw rod (9) via a bearing, the surface of the second screw rod (9) is threadedly connected to the inner cavity of the cross plate (8), the outer surface of the connection frame (3) is fixedly connected to a rotary motor (7), and the output end of the rotary motor (7) is fixedly connected to one end of the outer side of the second screw rod (9).

6. A hydraulic cylinder displacement fault detection device according to claim 1, characterized in that: The number of the fixed arc plates (15) is eight, four fixed arc plates (15) form a group, and the four fixed arc plates (15) are distributed in a ring array.

7. A hydraulic cylinder displacement fault detection device according to claim 1, characterized in that: The inner cavity of the U-shaped frame (14) is slidably connected to a sliding rod (16), one end of the sliding rod (16) is fixedly connected to the inner cavity of the third support plate (12), and one end of the first screw rod (17) close to the fixed arc plate (15) is fixedly connected to a limiting ring (18).

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