Hydraulic oil cylinder stroke adjusting and reversing device

Abstract

The utility model discloses a hydraulic oil cylinder stroke adjusting reversing device, which relates to the technical field of hydraulic oil cylinders, and comprises an oil cylinder, a stroke adjusting mechanism and a limiting mechanism, the stroke adjusting mechanism is arranged in the oil cylinder, the limiting mechanism is arranged on the side surface of the stroke adjusting mechanism, and the stroke adjusting mechanism comprises a piston rod. Through cooperation between a stroke adjusting mechanism and a limiting mechanism, a first handle is rotated, a first thread and a second thread are matched, an adjusting rod can move up and down, the adjusted stroke is determined by observing a datum line according to the actual requirement, then a limiting sliding column is pushed to make a clamping block move to the bottom of a clamping groove, and the clamping block moves to the bottom of the clamping groove. At the moment, a limiting sliding column is clamped in a limiting groove, a second handle is rotated, a clamping block is clamped in a groove in the bottom of a clamping groove under the action of a limiting plate and a reset spring, then the adjusting rod can be limited and fixed, the stroke of the piston rod can be adjusted without the help of an external auxiliary tool, and the adjusting process is easy to operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic cylinder technical field, concretely is a kind of hydraulic cylinder stroke adjusting reversing device. BACKGROUND

[0002] In hydraulic transmission system, hydraulic cylinder is used as executing element, is widely used in various mechanical equipment, such as engineering machinery, metallurgical equipment, automated production line etc., and the stroke adjustment of hydraulic cylinder is the key link to control its working range and realize accurate movement.

[0003] However, the stroke adjustment mode of traditional hydraulic cylinder has obvious defects, often needs to help more external auxiliary tools, and the adjustment process is too cumbersome, it is difficult to quickly reach the required stroke length, cannot make piston rod reach effective stroke, which not only increases the complexity when operating, also greatly reduces the working efficiency when adjusting stroke, and influences subsequent work;Therefore, we provide a kind of hydraulic cylinder stroke adjusting reversing device to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of hydraulic cylinder stroke adjusting reversing devices to make up for the deficiency of prior art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of hydraulic cylinder stroke adjusting reversing device, including oil cylinder, stroke adjusting mechanism and limiting mechanism, the stroke adjusting mechanism is installed in the inside of oil cylinder, the limiting mechanism is installed in the side of stroke adjusting mechanism, the stroke adjusting mechanism includes piston rod, the piston rod is slidably connected in the inside of oil cylinder, the upper end of the piston rod is arranged in the inside of oil cylinder and extends to the top of oil cylinder, the inside of the piston rod is provided with adjusting rod, the upper end of the adjusting rod is arranged in the inside of piston rod and extends to the top of piston rod, the inner wall of the piston rod is provided with thread one, the outer surface of the adjusting rod is provided with thread two, the piston rod is connected by the thread one with the thread two, the outer surface of the adjusting rod is provided with four reference lines, four reference lines are equidistantly distributed on the outer surface of adjusting rod, the outer surface of the adjusting rod is provided with three limiting grooves, three limiting grooves are equidistantly distributed on the outer surface of adjusting rod, and the limiting groove is arranged between two corresponding reference lines, the outer surface of the adjusting rod above piston rod is fixedly connected with handle one.

[0006] Further, the limiting mechanism has two, two limiting mechanisms are respectively symmetrically distributed on the left and right sides of piston rod, the limiting mechanism includes fixed cylinder, the fixed cylinder is installed on the side surface of piston rod and is connected with the inside of piston rod.

[0007] Further, the inside of the fixed cylinder is provided with a movable bin, the inside of the movable bin is penetrated by a limiting slide column, and the limiting slide column is slidably connected in the inside of the fixed cylinder, the outer surface of the fixed cylinder is provided with a clamping groove, the outer surface of the limiting slide column is fixedly connected with a clamping block, and the clamping block is arranged in the inside of the clamping groove.

[0008] Further, the outer surface of the limiting slide column in the inside of the movable bin is fixedly connected with a limiting plate, a return spring is arranged between the limiting plate and the movable bin, the return spring is sleeved on the outer surface of the limiting slide column, one end of the limiting slide column away from the piston rod is penetrated in the inside of the movable bin and extends to the outside of the fixed cylinder, and the outer surface of the limiting slide column on the outside of the fixed cylinder is fixedly connected with a handle two.

[0009] Further, the right side of the oil cylinder is provided with a reversing valve, and the surface of the reversing valve is mounted with a reversing handle.

[0010] Further, the surface of the reversing valve is mounted with an oil pipe one, one end of the oil pipe one away from the reversing valve is mounted on the outer surface of the oil cylinder, the surface of the reversing valve is mounted with an oil pipe two, and one end of the oil pipe two away from the reversing valve is mounted on the outer surface of the oil cylinder and above the oil pipe one.

[0011] Compared with the prior art, the hydraulic cylinder stroke adjusting and reversing device has the following beneficial effects:

[0012] 1、The utility model discloses a cooperation between stroke adjusting mechanism and limiting mechanism, rotates handle no.

[0013] 2、The utility model discloses the cooperation between reversing valve, reversing handle, oil pipe one and oil pipe two, and reversing valve is connected with oil cylinder through oil pipe one and oil pipe two, when pushing reversing handle is in different positions, reversing valve will control hydraulic oil from oil pipe one or oil pipe two and flow into oil cylinder, thereby push piston rod and move to different directions, and this setting makes the reversing operation of piston rod simple and fast, improves the overall performance and flexibility of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the sectional view three -dimensional structure schematic diagram of the utility model.

[0015] Fig. 2 It is a three-dimensional structure schematic view of the utility model;

[0016] Fig. 3 It is a three-dimensional structure schematic view of the utility model stroke adjusting mechanism section;

[0017] Fig. 4 It is a three-dimensional structure schematic view of the utility model adjusting rod;

[0018] Fig. 5 It is a three-dimensional structure schematic view of the utility model limiting mechanism section.

[0019] In the figure: 1, oil cylinder; 2, stroke adjusting mechanism; 201, piston rod; 202, adjusting rod; 203, thread one; 204, thread two; 205, limiting groove; 206, reference line; 207, handle one; 3, limiting mechanism; 301, fixed cylinder; 302, movable bin; 303, limiting slide; 304, clamping groove; 305, clamping block; 306, limiting plate; 307, reset spring; 308, handle two; 4, reversing valve; 5, reversing handle; 6, oil pipe one; 7, oil pipe two. Specific implementation

[0020] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and not to limit the scope of the utility model.

[0021] The embodiment provides a kind of hydraulic cylinder stroke adjusting reversing device, and the device is widely applied in various mechanical equipment, such as engineering machinery, metallurgical equipment, automated production line etc., and the device can be adjusted to the stroke of piston rod 201 without the aid of external auxiliary tools, and the adjusting process is simple to operate, time-saving and labor-saving, can make piston rod 201 quickly reach the required stroke, effectively improve the work efficiency when adjusting stroke.

[0022] Referring to Figs. 1-5The utility model provides a kind of hydraulic cylinder stroke adjusting reversing device, including oil cylinder 1, stroke adjusting mechanism 2 and limiting mechanism 3, stroke adjusting mechanism 2 is installed in the inside of oil cylinder 1, limiting mechanism 3 is installed in the side of stroke adjusting mechanism 2, stroke adjusting mechanism 2 includes piston rod 201, piston rod 201 is slidably connected in the inside of oil cylinder 1, the upper end of piston rod 201 is arranged in the inside of oil cylinder 1 and extends to the upper of oil cylinder 1, adjusting rod 202 is arranged in the inside of piston rod 201, the upper end of adjusting rod 202 is arranged in the inside of piston rod 201 and extends to the upper of piston rod 201, the inner wall of piston rod 201 is provided with thread one 203, the outer surface of adjusting rod 202 is provided with thread two 204, and piston rod 201 and adjusting rod 202 are connected by thread one 203 and thread two 204, four reference lines 206 are arranged on the outer surface of adjusting rod 202, four reference lines 206 are equidistantly distributed on the outer surface of adjusting rod 202, three limiting grooves 205 are arranged on the outer surface of adjusting rod 202, three limiting grooves 205 are equidistantly distributed on the outer surface of adjusting rod 202, and limiting groove 205 is arranged between two corresponding reference lines 206, and handle one 207 is fixedly connected to the outer surface of adjusting rod 202 above piston rod 201.

[0023] By stroke adjusting mechanism 2, the stroke of piston rod 201 can be adjusted, by limiting mechanism 3, the adjusted adjusting rod 202 can be fixedly positioned, by rotating handle one 207, by the cooperation of thread one 203 and thread two 204, adjusting rod 202 can be rotated in the inside of piston rod 201, so that it moves up and down, then according to actual needs, reference line 206 is observed to determine the adjusted stroke, and limiting mechanism 3 can be accurately clamped in the inside of limiting groove 205 by reference line 206, so that the stroke of piston rod 201 can be adjusted without the aid of external auxiliary tools, and the adjustment process is simple, time-saving and labor-saving.

[0024] Limiting mechanism 3 has two, two limiting mechanisms 3 are symmetrically distributed on the left and right sides of piston rod 201, and limiting mechanism 3 includes fixed cylinder 301, which is installed on the side surface of piston rod 201 and connected with the inside of piston rod 201.

[0025] The two limiting mechanisms 3 can more firmly position and fix the adjusting rod 202, effectively preventing accidental movement, and the fixed cylinder 301 is fixedly connected with the piston rod 201.

[0026] The inside of the fixed cylinder 301 is provided with a movable bin 302, the inside of the movable bin 302 is penetrated by a limiting slide column 303, and the limiting slide column 303 is slidingly connected in the inside of the fixed cylinder 301. The outer surface of the fixed cylinder 301 is provided with a clamping groove 304, the outer surface of the limiting slide column 303 is fixedly connected with a clamping block 305, the clamping block 305 is arranged in the inside of the clamping groove 304, the outer surface of the limiting slide column 303 located in the inside of the movable bin 302 is fixedly connected with a limiting plate 306, a return spring 307 is arranged between the limiting plate 306 and the movable bin 302, the return spring 307 is sleeved on the outer surface of the limiting slide column 303, one end of the limiting slide column 303 away from the piston rod 201 penetrates in the inside of the movable bin 302 and extends to the outside of the fixed cylinder, and the outer surface of the limiting slide column 303 located on the outside of the fixed cylinder is fixedly connected with a handle two 308.

[0027] The limiting slide column 303 is slidingly connected with the fixed cylinder 301, the clamping block 305 is displaced to the bottom of the clamping groove 304 by pushing the limiting slide column 303, the return spring 307 in the movable bin 302 is extruded under the action of the limiting plate 306, at this time, the limiting slide column 303 is clamped in the inside of the limiting groove 205, then the handle two 308 is rotated, the clamping block 305 is clamped in the recess at the bottom of the clamping groove 304 under the action of the reaction force of the limiting plate 306 and the return spring 307, and the stroke-adjusted adjusting rod 202 can be limited and fixed.

[0028] The right side of the oil cylinder 1 is provided with a reversing valve 4, the surface of the reversing valve 4 is installed with a reversing handle 5, the surface of the reversing valve 4 is installed with an oil pipe one 6, one end of the oil pipe one 6 away from the reversing valve 4 is installed on the outer surface of the oil cylinder 1, the surface of the reversing valve 4 is installed with an oil pipe two 7, one end of the oil pipe two 7 away from the reversing valve 4 is installed on the outer surface of the oil cylinder 1 and located above the oil pipe one 6.

[0029] The reversing valve 4 is communicated with the oil cylinder 1 through the oil pipe one 6 and the oil pipe two 7, when the reversing handle 5 is pushed to different positions, the reversing valve 4 will control the hydraulic oil to flow into the oil cylinder 1 from the oil pipe one 6 or the oil pipe two 7, so as to push the piston rod 201 to move in different directions, and this setting makes the reversing operation of the piston rod 201 simple and fast.

[0030] Working principle: when the device is used, the reversing valve 4 is connected with the oil cylinder 1 through the oil pipe one 6 and the oil pipe two 7, when the reversing handle 5 is pushed to different positions, the reversing valve 4 controls the hydraulic oil to flow into the oil cylinder 1 from the oil pipe one 6 or the oil pipe two 7, so that the piston rod 201 is pushed to rise or descend, when the stroke of the piston rod 201 needs to be adjusted according to the actual use, the handle one 207 is rotated, the adjusting rod 202 is moved up and down in the inside of the piston rod 201 through the cooperation of the thread one 203 and the thread two 204, the stroke is adjusted by observing the reference line 206, then the limiting slide column 303 is pushed to displace the clamping block 305 to the bottom of the clamping groove 304, at this time the limiting slide column 303 is clamped in the inside of the limiting groove 205, the handle two 308 is rotated, the clamping block 305 is clamped in the recess at the bottom of the clamping groove 304 under the action of the limiting plate 306 and the reset spring 307, the adjusting rod 202 with the adjusted stroke is limited and fixed.

[0031] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A hydraulic cylinder stroke adjustment and reversing device, comprising a cylinder (1), a stroke adjustment mechanism (2), and a limiting mechanism (3), characterized in that: The stroke adjustment mechanism (2) is installed inside the oil cylinder (1), and the limiting mechanism (3) is installed on the side of the stroke adjustment mechanism (2). The stroke adjustment mechanism (2) includes a piston rod (201), which is slidably connected inside the oil cylinder (1). The upper end of the piston rod (201) passes through the inside of the oil cylinder (1) and extends to the top of the oil cylinder (1). An adjusting rod (202) is provided inside the piston rod (201), and the upper end of the adjusting rod (202) passes through the inside of the piston rod (201) and extends to the top of the piston rod (201). The inner wall of the piston rod (201) is provided with a threaded first thread (203), and the outer surface of the adjusting rod (202) is provided with a threaded second thread (204). 4) The piston rod (201) and the adjusting rod (202) are threadedly connected by the first thread (203) and the second thread (204). The outer surface of the adjusting rod (202) has four reference lines (206) and the four reference lines (206) are equally distributed on the outer surface of the adjusting rod (202). The outer surface of the adjusting rod (202) has three limiting grooves (205) and the three limiting grooves (205) are equally distributed on the outer surface of the adjusting rod (202). The limiting grooves (205) are set between two corresponding reference lines (206). The outer surface of the adjusting rod (202) above the piston rod (201) is fixedly connected to a handle (207).

2. The hydraulic cylinder stroke adjustment and reversing device according to claim 1, characterized in that: There are two limiting mechanisms (3), which are symmetrically distributed on the left and right sides of the piston rod (201). Each limiting mechanism (3) includes a fixing cylinder (301), which is installed on the side surface of the piston rod (201) and communicates with the interior of the piston rod (201).

3. The hydraulic cylinder stroke adjustment and reversing device according to claim 2, characterized in that: The fixed cylinder (301) has a movable chamber (302) inside, and a limiting slide post (303) passes through the movable chamber (302). The limiting slide post (303) is slidably connected to the inside of the fixed cylinder (301). The outer surface of the fixed cylinder (301) has a slot (304). A locking block (305) is fixedly connected to the outer surface of the limiting slide post (303). The locking block (305) is disposed inside the slot (304).

4. The hydraulic cylinder stroke adjustment and reversing device according to claim 3, characterized in that: The limiting slide column (303) is fixedly connected to the limiting plate (306) on the outer surface inside the movable chamber (302). A return spring (307) is provided between the limiting plate (306) and the movable chamber (302). The return spring (307) is sleeved on the outer surface of the limiting slide column (303). One end of the limiting slide column (303) away from the piston rod (201) passes through the interior of the movable chamber (302) and extends to the outside of the fixed cylinder. A handle (308) is fixedly connected to the outer surface of the limiting slide column (303) on the outside of the fixed cylinder.

5. The hydraulic cylinder stroke adjustment and reversing device according to claim 1, characterized in that: A reversing valve (4) is provided on the right side of the oil cylinder (1), and a reversing handle (5) is installed on the surface of the reversing valve (4).

6. The hydraulic cylinder stroke adjustment and reversing device according to claim 5, characterized in that: Oil pipe 1 (6) is installed on the surface of the reversing valve (4). The end of oil pipe 1 (6) away from the reversing valve (4) is installed on the outer surface of the cylinder (1). Oil pipe 2 (7) is installed on the surface of the reversing valve (4). The end of oil pipe 2 (7) away from the reversing valve (4) is installed on the outer surface of the cylinder (1) and is located above oil pipe 1 (6).

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