Orientation mechanism for push rod of hydraulic oil cylinder

Abstract

The utility model relates to the field of hydraulic oil cylinder push rod orientation mechanisms, and discloses a hydraulic oil cylinder push rod orientation mechanism which comprises a bottom plate, a hydraulic oil cylinder body is arranged at the top of the bottom plate, a fixing mechanism is arranged at the top of the bottom plate, and an adjusting assembly is arranged at the top of the bottom plate. A guide mechanism is arranged at the top of the hydraulic oil cylinder body and comprises a fixed rod, a movable rod, a fixed plate, a positioning plate and a supporting plate, the bottom of the fixed plate is connected with the hydraulic oil cylinder body, the bottom of the positioning plate is slidably connected with the interior of the fixed plate, and the fixed rod is fixed in the fixed plate; the hydraulic oil cylinder has the advantages that the guide mechanism is arranged and moves at the output end of the hydraulic oil cylinder body to drive the positioning plate and the fixed plate to move, the movable rod moves in the fixed rod, and the output end of the hydraulic oil cylinder body can be positioned and guided.

Description

Technical Field

[0001] The utility model relates to the field of hydraulic oil cylinder push rod orientation mechanism, in particular to a hydraulic oil cylinder push rod orientation mechanism. Background Art

[0002] The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating or swinging motion. It has a simple structure and reliable operation. When it is used to achieve reciprocating motion, the deceleration device can be eliminated, there is no transmission gap, and the motion is smooth. Therefore, it is widely used in the hydraulic systems of various machines. The output force of the hydraulic cylinder is proportional to the effective area of ​​the piston and the pressure difference on both sides. The hydraulic cylinder is basically composed of a cylinder barrel and a cylinder head, a piston and a piston rod, a sealing device, a buffer device and an exhaust device. The buffer device and the exhaust device depend on the specific application occasion, and other devices are indispensable.

[0003] After searching, a Chinese patent disclosed a hydraulic oil rod orientation device and a hydraulic oil cylinder (authorization announcement number: CN205977893U), which includes a mounting base plate, guide plates respectively arranged on both sides of the mounting base plate, guide columns are arranged on the outer sides of the guide plates, rolling bearings are installed on the guide columns, and a limiting mechanism for limiting the rolling bearing is also arranged on the guide columns. The hydraulic oil rod orientation device and hydraulic oil cylinder provided by the utility model can prevent the hydraulic oil rod from rotating.

[0004] However, in the actual application of this patented technology, each time the hydraulic oil rod is extended or retracted, it will rotate in one direction due to the influence of the cylinder pressure, causing the objects connected to the hydraulic oil rod to rotate as well, resulting in the objects being unable to run along the predetermined trajectory and being not stable enough; when the hydraulic oil rod is subjected to strong pressure, it will vibrate, causing the objects connected to the hydraulic oil rod to be misaligned, resulting in the objects being unable to run along the predetermined trajectory and being not stable enough. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a hydraulic oil cylinder push rod orientation mechanism.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic cylinder push rod orientation mechanism, comprising a bottom plate, a hydraulic cylinder body is arranged on the top of the bottom plate, a fixing mechanism is arranged on the top of the bottom plate, an adjustment component is arranged on the top of the bottom plate, and a guide mechanism is arranged on the top of the hydraulic cylinder body;

[0007] The guiding mechanism includes a fixed rod, a movable rod, a fixed plate, a positioning plate and a supporting plate. The bottom of the fixed plate is connected to the hydraulic cylinder body, the bottom of the positioning plate is slidably connected to the inside of the fixed plate, the fixed rod is fixed inside the fixed plate, the bottom of the movable rod is slidably connected to the inside of the fixed rod, the bottom of the supporting plate is fixedly connected to the output end of the hydraulic cylinder body, and the top of the movable rod is fixedly connected to the supporting plate.

[0008] Preferably, the fixing mechanism includes a fixing block, a screw sleeve, a screw and a top plate, the bottom of the top plate is fixedly connected to the bottom plate, the screw is connected to the internal thread of the top plate, one side of the fixing block is connected to the screw, and the screw is connected to the internal thread of the screw sleeve.

[0009] Preferably, the adjustment assembly includes a first positioning rod, a second positioning rod, a spring and a fixing ring, one side of the first positioning rod is fixedly connected to the fixing block, the second positioning rod is slidingly connected to the inside of the first positioning rod, one side of the second positioning rod is fixedly connected to the fixing ring, and the spring is fixedly connected to the inside of the second positioning rod and the first positioning rod.

[0010] Preferably, a sliding groove is provided on one side of the fixing plate, a sliding block is fixedly connected to one side of the positioning plate, and the sliding block is slidably connected to the inside of the sliding groove.

[0011] Preferably, inner walls of the fixing plate and the positioning plate are provided with grooves, and the fixing rod and the movable rod are installed inside the grooves.

[0012] Preferably, a protective pad is fixedly connected to one side of the fixing ring, and one side of the protective pad is in contact with the hydraulic cylinder body.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, a guide mechanism is provided, and the output end of the hydraulic cylinder body moves to drive the positioning plate and the fixed plate to move, and the movable rod moves inside the fixed rod, which can play a role in positioning and guiding the output end of the hydraulic cylinder body.

[0015] 2. In the utility model, a fixing mechanism and an adjusting component are provided, the hydraulic cylinder body is placed on the bottom plate, and the fixing ring is pulled open, so that the second positioning rod can be retracted to the inside of the first positioning rod. When the fixing ring is in contact with the hydraulic cylinder body, the screw sleeve can be moved on the screw rod by rotating, thereby fixing the hydraulic cylinder body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the hydraulic cylinder push rod directional mechanism in the utility model.

[0017] Figure 2 It is a structural schematic diagram of the guide mechanism in the utility model.

[0018] Figure 3 It is a structural schematic diagram of the fixing block in the utility model.

[0019] Figure 4 It is a structural schematic diagram of the adjustment component in the utility model.

[0020] Figure 5 It is a structural schematic diagram of the fixing mechanism in the utility model.

[0021] Legend:

[0022] 1. Bottom plate; 2. Hydraulic cylinder body; 3. Slide groove; 4. Slider; 5. Guide mechanism; 501. Fixed rod; 502. Movable rod; 503. Fixed plate; 504. Positioning plate; 505. Support plate; 6. Fixing mechanism; 601. Fixed block; 602. Screw sleeve; 603. Screw rod; 604. Top plate; 7. Adjustment assembly; 701. First positioning rod; 702. Second positioning rod; 703. Spring; 704. Fixed ring; 8. Groove; 9. Protective pad. DETAILED DESCRIPTION

[0023] 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.

[0024] Reference Figure 1-5 The utility model provides an embodiment: a hydraulic cylinder push rod orientation mechanism, comprising a bottom plate 1, a hydraulic cylinder body 2 is arranged on the top of the bottom plate 1, a fixing mechanism 6 is arranged on the top of the bottom plate 1, an adjustment component 7 is arranged on the top of the bottom plate 1, and a guide mechanism 5 is arranged on the top of the hydraulic cylinder body 2;

[0025] The guide mechanism 5 includes a fixed rod 501, a movable rod 502, a fixed plate 503, a positioning plate 504 and a support plate 505. The bottom of the fixed plate 503 is connected to the hydraulic cylinder body 2, the bottom of the positioning plate 504 is slidably connected to the inside of the fixed plate 503, the fixed rod 501 is fixed inside the fixed plate 503, the bottom of the movable rod 502 is slidably connected to the inside of the fixed rod 501, the bottom of the support plate 505 is fixedly connected to the output end of the hydraulic cylinder body 2, and the top of the movable rod 502 is fixedly connected to the support plate 505.

[0026] Through the above technical solution, by setting the guide mechanism 5, the output end of the hydraulic cylinder body 2 moves to drive the positioning plate 504 and the fixed plate 503 to move, and the movable rod 502 moves inside the fixed rod 501, which can play a positioning and guiding role for the output end of the hydraulic cylinder body 2.

[0027] Specifically, the fixing mechanism 6 includes a fixing block 601, a screw sleeve 602, a screw rod 603 and a top plate 604. The bottom of the top plate 604 is fixedly connected to the bottom plate 1, the screw rod 603 is connected to the internal thread of the top plate 604, one side of the fixing block 601 is connected to the screw rod 603, and the screw rod 603 is connected to the internal thread of the screw sleeve 602.

[0028] Through the above technical solution, by setting the fixing mechanism 6, the rotating screw sleeve 602 can move on the screw rod 603, and the fixing block 601 also moves accordingly. The fixing block 601 contacts the hydraulic cylinder body 2, thereby fixing it.

[0029] Specifically, the adjustment assembly 7 includes a first positioning rod 701, a second positioning rod 702, a spring 703 and a fixing ring 704, one side of the first positioning rod 701 is fixedly connected to the fixing block 601, the second positioning rod 702 is slidingly connected to the inside of the first positioning rod 701, one side of the second positioning rod 702 is fixedly connected to the fixing ring 704, and the spring 703 is fixedly connected to the inside of the second positioning rod 702 and the first positioning rod 701.

[0030] Through the above technical solution, by setting the adjustment component 7, the hydraulic cylinder body 2 is placed on the base plate 1, and the fixing ring 704 is pulled open, so that the second positioning rod 702 can be retracted to the inside of the first positioning rod 701. When the fixing ring (704) and the hydraulic cylinder body 2 are in contact, it plays a positioning role.

[0031] Specifically, a sliding groove 3 is formed on one side of the fixing plate 503 , and a sliding block 4 is fixedly connected to one side of the positioning plate 504 . The sliding block 4 is slidably connected to the inside of the sliding groove 3 .

[0032] Through the above technical solution, by setting the slide groove 3 and the slider 4, when the support plate 505 moves, the positioning plate 504 also moves accordingly, driving the slider 4 to move inside the slide groove 3, thereby facilitating the movement of the positioning plate 504.

[0033] Specifically, inner walls of the fixing plate 503 and the positioning plate 504 are both provided with a groove 8 , and the fixing rod 501 and the movable rod 502 are both installed inside the groove 8 .

[0034] Through the above technical solution, by providing the groove 8, the fixed rod 501 and the movable rod 502 are both installed inside the groove 8, thereby playing a role in placing the fixed rod 501 and the movable rod 502.

[0035] Specifically, a protection pad 9 is fixedly connected to one side of the fixing ring 704 , and one side of the protection pad 9 is in contact with the hydraulic cylinder body 2 .

[0036] Through the above technical solution, by providing the protection pad 9, the protection pad 9 contacts the hydraulic cylinder body 2 and thus plays a protective role thereon.

[0037] Working principle: When in use, the hydraulic cylinder body 2 is placed on the base plate 1, and the fixing ring 704 is pulled open to retract the second positioning rod 702 to the inside of the first positioning rod 701. When the fixing ring 704 is in contact with the hydraulic cylinder body 2, the screw sleeve 602 can then be rotated to move on the screw 603, thereby fixing the hydraulic cylinder body 2. The output end of the hydraulic cylinder body 2 moves to drive the positioning plate 504 and the fixing plate 503 to move. The movable rod 502 moves inside the fixed rod 501, which can play a positioning and guiding role for the output end of the hydraulic cylinder body 2. When the support plate 505 moves, the positioning plate 504 also moves accordingly, driving the slider 4 to move inside the slide groove 3, thereby facilitating the movement of the positioning plate 504. The fixed rod 501 and the movable rod 502 are both installed inside the groove 8, thereby placing the fixed rod 501 and the movable rod 502.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hydraulic cylinder push rod orientation mechanism, comprising a base plate (1), characterized in that: A hydraulic cylinder body (2) is arranged on the top of the base plate (1), a fixing mechanism (6) is arranged on the top of the base plate (1), an adjustment component (7) is arranged on the top of the base plate (1), and a guide mechanism (5) is arranged on the top of the hydraulic cylinder body (2); The guide mechanism (5) comprises a fixed rod (501), a movable rod (502), a fixed plate (503), a positioning plate (504) and a support plate (505); the bottom of the fixed plate (503) is connected to the hydraulic cylinder body (2); the bottom of the positioning plate (504) is slidably connected to the inside of the fixed plate (503); the fixed rod (501) is fixed inside the fixed plate (503); the bottom of the movable rod (502) is slidably connected to the inside of the fixed rod (501); the bottom of the support plate (505) is fixedly connected to the output end of the hydraulic cylinder body (2); and the top of the movable rod (502) is fixedly connected to the support plate (505).

2. A hydraulic cylinder push rod orientation mechanism according to claim 1, characterized in that: The fixing mechanism (6) comprises a fixing block (601), a screw sleeve (602), a screw rod (603) and a top plate (604); the bottom of the top plate (604) is fixedly connected to the bottom plate (1); the screw rod (603) is connected to the internal thread of the top plate (604); one side of the fixing block (601) is connected to the screw rod (603); and the screw rod (603) is connected to the internal thread of the screw sleeve (602).

3. The hydraulic cylinder push rod orientation mechanism according to claim 1, characterized in that: The adjustment assembly (7) comprises a first positioning rod (701), a second positioning rod (702), a spring (703) and a fixing ring (704); one side of the first positioning rod (701) is fixedly connected to the fixing block (601); the second positioning rod (702) is slidably connected to the inside of the first positioning rod (701); one side of the second positioning rod (702) is fixedly connected to the fixing ring (704); and the spring (703) is fixedly connected to the inside of the second positioning rod (702) and the first positioning rod (701).

4. The hydraulic cylinder push rod orientation mechanism according to claim 1, characterized in that: A sliding groove (3) is provided on one side of the fixed plate (503), and a sliding block (4) is fixedly connected to one side of the positioning plate (504), and the sliding block (4) is slidably connected to the inside of the sliding groove (3).

5. A hydraulic cylinder push rod orientation mechanism according to claim 4, characterized in that: The inner walls of the fixing plate (503) and the positioning plate (504) are both provided with a groove (8), and the fixing rod (501) and the movable rod (502) are both installed inside the groove (8).

6. The hydraulic cylinder push rod orientation mechanism according to claim 3, characterized in that: A protective pad (9) is fixedly connected to one side of the fixing ring (704), and one side of the protective pad (9) is in contact with the hydraulic cylinder body (2).

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