Hydraulic oil cylinder convenient to use

Abstract

The utility model relates to the technical field of hydraulic oil cylinders, in particular to a hydraulic oil cylinder convenient to use, which comprises an oil cylinder body, the oil cylinder body comprises a cylinder body and a piston body arranged in an inner cavity of the cylinder body, the center of the piston body is connected with a piston rod body extending to the outside of the oil cylinder body, and the lower end of the cylinder body is connected with a supporting plate. Auxiliary oil cylinders are installed at the two ends of the supporting plate correspondingly, the stretching-out direction of telescopic rods on the auxiliary oil cylinders is opposite to the stretching-out direction of piston rod bodies on oil cylinder bodies, the stretching-out ends of the telescopic rods on the auxiliary oil cylinders are connected with movable plates, and the planes, away from the auxiliary oil cylinders, of the movable plates are connected with first hinge seats. Guide rod assemblies are connected between the two side edges of the movable plate and the supporting plate respectively, and the outer circle of the cylinder body is connected with a rigid limiting assembly for preventing the guide rod assemblies from axially moving. The hydraulic oil cylinder is reasonable in structure, the use range of the hydraulic oil cylinder is enlarged, and use convenience is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic oil cylinder technical field especially is related to a convenient to use hydraulic oil cylinder. BACKGROUND

[0002] Hydraulic cylinder is the hydraulic energy conversion mechanical energy, does linear reciprocating motion (or swing motion) hydraulic actuator. It simple structure, reliable work. When it is used to realize reciprocating motion, can avoid the deceleration device, and there is no transmission gap, movement is stable, therefore in the hydraulic system of various machinery gets wide application. In modernization large -scale automated stereoscopic warehouse, the height of goods shelf usually according to the kind of storage goods, turnover frequency and warehouse space utilization rate and is layered design. In order to realize the efficient access of goods, the goods shelf lifting device plays a key role. In the goods shelf lifting device usually uses oil cylinder to adjust the height of goods shelf bearing surface.

[0003] For the related technology in the above, the inventor finds that when the warehouse needs temporary adjustment goods shelf layout, increases or reduces the height of a layer goods shelf to adapt to new goods specifications, due to the restriction of oil cylinder body height, cannot support the height of goods shelf bearing surface under the premise of not changing the stroke of oil cylinder (i.e. guaranteeing that the goods lifting range does not change), quickly adjusting, optimizing the storage space, reducing the use range of hydraulic oil cylinder, reducing the use convenience. UTILITY MODEL CONTENT

[0004] The utility model mainly solves the technical problem to provide a kind of convenient to use hydraulic oil cylinder, expand the use range of hydraulic oil cylinder, enhance the use convenience.

[0005] To solve the above technical problem, one technical scheme of the utility model is: provide a kind of convenient to use hydraulic oil cylinder, including: oil cylinder body, the oil cylinder body includes cylinder body and the piston body of setting in its inner cavity, the center of the piston body is connected with the piston rod body extending to the outside of oil cylinder body, the lower end of the cylinder body is connected with support plate, the both ends of the support plate are respectively installed with auxiliary oil cylinder, the extension direction of extension link on the auxiliary oil cylinder is opposite with the extension direction of piston rod body on the oil cylinder body, the extension end of extension link on the auxiliary oil cylinder is connected with moving plate, the plane of moving plate away from auxiliary oil cylinder is connected with hinged seat one, the both sides of moving plate are respectively connected with guide rod assembly between the both sides of moving plate and support plate, the cylinder body includes the rigidity limiting component of the outer circle of connecting with preventing guide rod assembly axial movement.

[0006] By adopting the technical scheme, when the hydraulic oil cylinder is used in the goods shelf lifting device, the extension and contraction of the auxiliary oil cylinder are driven to move the moving plate and the supporting plate towards or away from each other, that is, the ground clearance of the cylinder body is changed, so that the height of the supporting goods shelf bearing surface is quickly adjusted without changing the stroke of the oil cylinder, the storage space is optimized, the use range of the hydraulic oil cylinder is expanded, and the use convenience is enhanced.

[0007] In a preferred example, the guide rod assembly comprises a fixed seat and a guide sleeve embedded in the fixed seat, an inner hole of the guide sleeve is slidably connected with a guide rod body, a lower end of the guide rod body is connected with a connecting plate, and the connecting plate is fixedly connected with the moving plate.

[0008] By adopting the technical scheme, the guide rod body slides in the guide sleeve, and part of the radial force acting on the auxiliary oil cylinder extension rod is shared, so that the structural strength of the hydraulic oil cylinder in the application is enhanced.

[0009] In a preferred example, the rigid limiting assembly further comprises a circumferential limiting piece for preventing the annular rotating plate from rotating circumferentially.

[0010] By adopting the technical scheme, the distance between the limiting grooves is usually set according to the commonly used height of the goods shelf bearing surface, when the hydraulic oil cylinder drives the goods shelf bearing surface to stop at a specified height, the annular rotating plate drives the axial limiting plate into the limiting groove, so that the guide rod body is prevented from sliding axially in the guide sleeve, the purpose of mechanical limiting is achieved, and the safety during use of the goods shelf is enhanced.

[0011] In a preferred example, the rigid limiting assembly further comprises a circumferential limiting piece for preventing the annular rotating plate from rotating circumferentially.

[0012] By adopting the technical scheme, the circumferential limiting piece prevents the axial limiting plate from moving out of the limiting groove, the purpose of circumferential limiting is achieved, and the safety during use of the goods shelf is enhanced.

[0013] The utility model discloses a further configuration in a preferable example can be: the circumference limiting piece includes U -shaped seat and spiral screw -threaded butterfly bolt on the U -shaped seat, the U -shaped seat is set on the outside of annular rotary plate and is fixedly connected with the circular ring limiting plate.

[0014] By adopting the above technical scheme, the butterfly bolt is rotated to make the end portion closely contact with the axial limiting plate, thereby preventing the axial limiting plate from moving out of the limiting groove.

[0015] The utility model discloses a further configuration in a preferable example can be: the piston rod body's protruding end is connected with articulated seat no.

[0016] By adopting the above technical scheme, the hydraulic oil cylinder and the support frame bearing surface are connected through the use of articulated seat no. two, the convenience of installation is improved, and the use effect is enhanced.

[0017] In summary, the utility model discloses at least one of the following beneficial technical effects:

[0018] The ground clearance of the operation auxiliary oil cylinder working drive oil cylinder body is adjusted, thereby quickly adjusting the height of the support frame bearing surface under the premise of not changing the oil cylinder stroke, optimizing the storage space, expanding the use range of the hydraulic oil cylinder, and enhancing the use convenience. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor, wherein:

[0020] Figure 1 It is a structure schematic view of a preferable embodiment of the utility model of convenient hydraulic oil cylinder.

[0021] Figure 2 It is Figure 1 It is a structure schematic view of the connection of the rigid limiting assembly and the guide rod body in the utility model.

[0022] Figure 3 It is Figure 1 It is a structure schematic view of the oil cylinder body in the utility model.

[0023] In the drawing: 10, oil cylinder body;2, support plate;3, auxiliary oil cylinder;4, moving plate;5, articulated seat no. one;60, guide rod assembly;70, rigid limiting assembly;8, articulated seat no. two;

[0024] 11, cylinder body;12, piston body;13, piston rod body;

[0025] 61, fixed seat; 62, guide sleeve; 63, guide rod body; 64, connecting plate;

[0026] 71, annular rotating plate; 72, circular ring limiting plate; 73, limiting groove; 74, axial limiting plate; 75, circumferential limiting piece;

[0027] 751, U-shaped seat; 752, butterfly bolt. DETAILED DESCRIPTION

[0028] The preferred embodiments of the present application will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are merely intended to illustrate and explain the present application, and are not intended to limit the present application.

[0029] It should be noted that these drawings are simplified schematic diagrams, and only illustrate the basic structure of the present application in a schematic manner, and therefore only show the relevant components of the present application.

[0030] Referring to Figures 1 to 3 The utility model discloses a convenient hydraulic cylinder, including: oil cylinder body 10, oil cylinder body 10 includes cylinder body 11 and the piston body 12 of setting in its inner chamber, the center of piston body 12 is connected with the piston rod body 13 extending to the outside of oil cylinder body 10, and the protruding end of piston rod body 13 is connected with articulated seat two 8, through the use of articulated seat two 8, the hydraulic cylinder of the present application is conveniently articulated with the support surface of the frame, the convenience of installation is improved, and the use effect is enhanced.

[0031] The lower end of cylinder body 11 is connected with a support plate 2, the two ends of the support plate 2 are respectively provided with an auxiliary oil cylinder 3, the extension direction of the telescopic rod on the auxiliary oil cylinder 3 is opposite to the extension direction of the piston rod body 13 on the oil cylinder body 10, the extension end of the telescopic rod on the auxiliary oil cylinder 3 is connected with a moving plate 4, and the plane, away from the auxiliary oil cylinder 3, of the moving plate 4 is connected with an articulated seat one 5, which can be connected with the mounting seat on the ground through a pin shaft.

[0032] The two side edges of the moving plate 4 are respectively connected with a guide rod assembly 60 between the two side edges and the support plate 2, the guide rod assembly 60 comprises a fixed seat 61 and a guide sleeve 62 embedded on the fixed seat 61, the inner hole of the guide sleeve 62 is slidably connected with a guide rod body 63, the lower end of the guide rod body 63 is connected with a connecting plate 64, and the connecting plate 64 is fixedly connected with the moving plate 4; the guide rod body 63 slides in the guide sleeve 62, shares part of the radial force acting on the telescopic rod of the auxiliary oil cylinder 3 from the outside, and enhances the structural strength of the hydraulic cylinder in the present application.

[0033] The outer circle of the cylinder body 11 is connected with a rigid limiting assembly 70 for preventing the axial movement of the guide rod assembly 60; the rigid limiting assembly 70 comprises an annular rotating plate 71 and a circular limiting plate 72 arranged on the upper and lower sides of the annular rotating plate 71 respectively, the annular rotating plate 71 and the circular limiting plate 72 are sleeved on the outer circle of the cylinder body 11, the annular rotating plate 71 is rotationally connected with the cylinder body 11, and the circular limiting plate 72 is fixedly connected with the cylinder body 11; the outer circle of the guide rod body 63 is provided with a plurality of limiting grooves 73 at intervals, and the outer circle of the annular rotating plate 71 is connected with axial limiting plates 74 matched with the limiting grooves 73 at intervals; the distance between the limiting grooves 73 is usually set according to the commonly used height of the shelf bearing surface, when the hydraulic oil cylinder drives the shelf bearing surface to stop at a specified height, the rotating annular rotating plate 71 drives the axial limiting plate 74 to enter the limiting groove 73, thereby preventing the guide rod body 63 from axially sliding in the guide sleeve 62, achieving the purpose of mechanical limiting, and enhancing the safety during the use of the shelf.

[0034] The rigid limiting assembly 70 further comprises a circumferential limiting piece 75 for preventing the circumferential rotation of the annular rotating plate 71, the circumferential limiting piece 75 comprises a U-shaped seat 751 and a butterfly bolt 752 screwed on the U-shaped seat 751, and the U-shaped seat 751 is sleeved on the outer side of the annular rotating plate 71 and fixedly connected with the circular limiting plate 72; the butterfly bolt 752 is rotated to make the end thereof in close contact with the axial limiting plate 74, thereby preventing the axial limiting plate 74 from moving out of the limiting groove 73, achieving the purpose of circumferential limiting, and enhancing the safety during the use of the shelf.

[0035] The implementation principle of the embodiment is that when the hydraulic oil cylinder of the application is used in a shelf lifting device, the telescopic rod of the auxiliary oil cylinder 3 is driven to extend and retract, thereby driving the moving plate 4 and the supporting plate 2 to move towards or away from each other, i.e., the ground clearance of the cylinder body 11 is changed, so that the height of the shelf bearing surface is quickly adjusted without changing the stroke of the oil cylinder, i.e., the lifting range of the goods is unchanged, the storage space is optimized, the use range of the hydraulic oil cylinder is expanded, the use convenience is enhanced, the guide rod assembly 60 is connected between the moving plate 4 and the supporting plate 2, the bending resistance of the hydraulic oil cylinder is enhanced when the telescopic rod of the auxiliary oil cylinder 3 is in the extended state, when the hydraulic oil circuit of the auxiliary oil cylinder 3 leaks, the use of the rigid limiting assembly 70 prevents the downward movement of the oil cylinder body 10, i.e., the height of the shelf bearing surface is kept unchanged, and the safety of the shelf is enhanced.

[0036] The above description is only an embodiment of the application, and does not limit the patent range of the application, and any equivalent structure or equivalent process conversion, or direct or indirect application in other related technical fields, is also included in the patent protection range of the application.

Claims

1. A hydraulic cylinder with ease of use, comprising: The oil cylinder body (10) comprises a cylinder body (11) and a piston body (12) arranged in the inner cavity of the cylinder body (11), and the center of the piston body (12) is connected with a piston rod body (13) extending to the outside of the oil cylinder body (10), characterized in that the lower end of the cylinder body (11) is connected with a support plate (2), the two ends of the support plate (2) are respectively provided with auxiliary oil cylinders (3), the extension direction of the telescopic rod of the auxiliary oil cylinder (3) is opposite to the extension direction of the piston rod body (13) of the oil cylinder body (10), the extension end of the telescopic rod of the auxiliary oil cylinder (3) is connected with a moving plate (4), the plane of the moving plate (4) away from the auxiliary oil cylinder (3) is connected with a hinge seat one (5), the two side edges of the moving plate (4) are respectively connected with a guide rod assembly (60) between the moving plate (4) and the support plate (2), and the outer circle of the cylinder body (11) is connected with a rigid limiting assembly (70) for preventing the axial movement of the guide rod assembly (60).

2. The easy-to-use hydraulic cylinder of claim 1, wherein, The guide rod assembly (60) comprises a fixed seat (61) and a guide sleeve (62) embedded on the fixed seat (61), the inner hole of the guide sleeve (62) is slidably connected with a guide rod body (63), and the lower end of the guide rod body (63) is connected with a connecting plate (64) fixedly connected with the moving plate (4).

3. The easy-to-use hydraulic cylinder of claim 2, wherein, The rigid limiting assembly (70) comprises an annular rotating plate (71) and a circular ring limiting plate (72) arranged on the upper and lower sides thereof, the annular rotating plate (71) and the circular ring limiting plate (72) are sleeved on the outer circle of the cylinder body (11), the annular rotating plate (71) is rotatably connected with the cylinder body (11), the circular ring limiting plate (72) is fixedly connected with the cylinder body (11), the outer circle of the guide rod body (63) is provided with a plurality of limiting grooves (73), and the outer circle of the annular rotating plate (71) is connected with an axial limiting plate (74) matched with the limiting grooves (73).

4. The easy-to-use hydraulic cylinder of claim 3, wherein, The rigid limiting assembly (70) further comprises a circumferential limiting piece (75) for preventing the circumferential rotation of the annular rotating plate (71).

5. The easy-to-use hydraulic cylinder of claim 4, wherein, The circumferential limiting piece (75) comprises a U-shaped seat (751) and a butterfly bolt (752) spirally penetrating the U-shaped seat (751), and the U-shaped seat (751) is sleeved on the outer side of the annular rotating plate (71) and fixedly connected with the circular ring limiting plate (72).

6. The easy-to-use hydraulic cylinder of claim 1, wherein, The extension end of the piston rod body (13) is connected with a hinge seat two (8).

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