Lifting hydraulic device

Abstract

The utility model discloses a lifting hydraulic device, which relates to the hydraulic device field, and comprises a base, a cavity is arranged in the base, a hydraulic cylinder is fixedly connected in the cavity, the upper end part of the hydraulic cylinder is movably provided with a protective shell, the protective shell can be accommodated in the cavity, the two side walls of the protective shell are fixedly connected with fixing blocks, and the fixing blocks are fixedly connected with the hydraulic cylinder. The fixing block is arranged in the base and matched with the first channel, the first channel is arranged in the base and communicated with the cavity, a through hole is formed in the top of the protective shell, and the upper end of the hydraulic cylinder is connected with the through hole through a screw; and a support assembly. When the hydraulic cylinder is started to ascend, the protective shell is driven to ascend synchronously, and the ejector block abuts against the outer wall of the movable rod body of the hydraulic cylinder under the action of the spring and the inclined plate, so that the movable rod body of the hydraulic cylinder is supported; meanwhile, the protective shell covers the outer wall of the hydraulic cylinder movable rod body, and dust and impurities are prevented from being attached to the outer wall of the hydraulic cylinder movable rod body to affect subsequent use of the hydraulic cylinder.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of hydraulic device, concretely relates to lifting hydraulic device. BACKGROUND

[0002] The hydraulic rod is a mechanical element for transmitting force through liquid, which is composed of a rod body, a piston and a sealing element, and can perform linear push-pull movement. In some construction processes, the hydraulic device can be used to lift heavy objects.

[0003] The existing Chinese patent with publication number CN216863512U provides a liftable hydraulic device. The liftable hydraulic device includes a base, a hydraulic cylinder arranged on the base, a hydraulic rod arranged on the telescopic end of the hydraulic cylinder, a sleeve slidably connected to the outer surface of the hydraulic rod, a positioning plate fixedly connected to the outer surface of the sleeve, connecting rods fixedly connected to the both sides of the bottom of the positioning plate, and a locking groove formed in the interior of the positioning plate. The liftable hydraulic device provided by the utility model is capable of supporting the hydraulic rod when the hydraulic rod is extended to support the heavy object. The position of the sleeve is fixed by the clamping block and the clamping groove, which avoids the shaking of the heavy object during lifting, the shaking of the hydraulic rod, the bending deformation of the hydraulic rod, and the sliding of the heavy object, thereby avoiding the safety hazards.

[0004] The above-mentioned lifting hydraulic device has the following problems when in use: the position of the sleeve needs to be manually adjusted after being supported and fixed, which is inconvenient to operate during adjustment, and the adjustment during use affects the overall operation efficiency.

[0005] Therefore, it is necessary to invent a lifting hydraulic device to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a lifting hydraulic device to solve the problems of the above-mentioned lifting hydraulic device in the background art, i.e., the position of the sleeve needs to be manually adjusted after being supported and fixed, which is inconvenient to operate during adjustment, and the adjustment during use affects the overall operation efficiency.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a lifting hydraulic device includes a base, a cavity arranged in the interior of the base, a hydraulic cylinder fixedly connected to the interior of the cavity, a protective shell movably installed on the upper end of the hydraulic cylinder, the protective shell being capable of being accommodated in the interior of the cavity, fixed blocks fixedly connected to the both side walls of the protective shell, the fixed blocks being matched with a groove one, and the groove one being arranged in the interior of the base and being in communication with the cavity, and further including:

[0008] The top of the protection shell is provided with a through hole, and the upper end of the hydraulic cylinder is connected with the through hole by a screw, and the screw is movably connected with a groove arranged in the protection shell;

[0009] The support assembly is characterized in that vertical grooves are arranged on the two sides of the protection shell, and an optical rod is fixedly connected in the vertical grooves, and two movable blocks are movably sleeved on the outer circle of the optical rod, the two movable blocks are movably connected by a spring, the spring is movably sleeved on the outer circle of the optical rod, the movable blocks and the top blocks are movably connected by the inclined plates, the movable blocks support the movable rod of the hydraulic cylinder, the stability of the movable rod of the hydraulic cylinder is ensured when the movable rod supports the heavy object, and the service life of the hydraulic cylinder is prolonged.

[0010] Preferably, the two movable blocks are symmetrically sleeved on the outer circle of one optical rod, and the side wall of the movable block is matched with the inner wall of the vertical groove and is movably connected thereon.

[0011] Preferably, the movable blocks and the top blocks are respectively provided with a notch one and a notch two in the inner part, a short rod is fixedly connected to the inner wall of the notch one, two short rods symmetrically arranged upward and downward are fixedly connected to the inner wall of the notch two, and the short rods are rotatably connected with the end part of the inclined plate through a bearing.

[0012] Preferably, the inclined plates are arranged in four pieces, and the four inclined plates are arranged in an X shape, and the left and right inclined plates are respectively subjected to the force of opposite movement on the two top blocks under the action of the spring and the inclined plate, so that the top blocks support the movable rod of the hydraulic cylinder.

[0013] Preferably, the end part of the top block close to the hydraulic cylinder is provided with a curvature, the curvature is matched with the curvature of the rod of the hydraulic cylinder, and the two top blocks are subjected to the force of opposite movement and support the movable rod of the hydraulic cylinder.

[0014] Preferably, the lower end of the top block is provided with an inclined surface, and the inclined surface is a smooth surface, the inclined surface of the bottom of the top block abuts against the transition section of the movable rod and the fixed rod of the hydraulic cylinder in the descending process to realize the separation movement of the two top blocks, and then the top block is facilitated to pass through the transition section of the fixed rod and the movable rod of the hydraulic cylinder.

[0015] In the above technical scheme, the technical effects and advantages of the utility model are provided:

[0016] 1. The utility model drives the protection shell to move upward synchronously in the process of starting the upward movement of the hydraulic cylinder, the top block abuts against the outer wall of the movable rod of the hydraulic cylinder under the action of the spring and the inclined plate, thereby supporting the movable rod of the hydraulic cylinder, manual adjustment is not needed, at the same time, the protection shell covers the outer wall of the movable rod of the hydraulic cylinder to avoid some dust and impurities from adhering to the outer wall of the movable rod of the hydraulic cylinder and affecting the subsequent use of the hydraulic cylinder.

[0017] 2. When the hydraulic cylinder retracts, it causes the protective shell to descend and retract into the cavity. At the same time, when the top block descends, the inclined surface at the bottom of the top block abuts against the hydraulic cylinder, causing the two moving blocks to separate. This allows the top block to pass easily through the transition section between the fixed rod and the moving rod in the hydraulic cylinder without affecting the subsequent normal use of the support assembly. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0019] Figure 1 This is a perspective view of the overall structure of this utility model;

[0020] Figure 2 This is an exploded view of the overall structure of this utility model (partially cut section of the base);

[0021] Figure 3 This is an exploded view of the internal structure of the protective shell of this utility model;

[0022] Figure 4 This is a schematic plan view of the support component structure of this utility model;

[0023] Figure 5 This is a three-dimensional view of the protective shell structure of this utility model.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Base; 2. Cavity; 3. Hydraulic cylinder; 4. Protective shell; 5. Mounting assembly; 51. Through hole; 52. Screw; 6. Support assembly; 61. Vertical slot; 62. Smooth rod; 63. Movable block; 64. Spring; 65. Notch 1; 66. Top block; 67. Notch 2; 68. Short rod; 69. Inclined plate; 610. Inclined surface; 7. Fixing block; 8. Channel 1; 9. Channel 2. Detailed Implementation

[0026] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0027] This utility model provides, for example Figures 1-5The lifting hydraulic device shown, including the base 1, the inside of base 1 is provided with a cavity 2, and the cavity 2 is fixedly connected with a hydraulic cylinder 3 inside, and the upper end of the hydraulic cylinder 3 is movably mounted with a protective shell 4, the protective shell 4 can be stored inside the cavity 2, the two side walls of the protective shell 4 are fixedly connected with a fixed block 7, and the fixed block 7 is matched with a channel 1 8, the channel 1 8 is arranged inside the base 1 and is communicated with the cavity 2, further comprising:

[0028] The mounting assembly 5, the top of the protective shell 4 is provided with a through hole 51, and the upper end of the hydraulic cylinder 3 is connected with the through hole 51 through the screw 52, and the screw 52 is movably connected with the channel 2 9 arranged inside the protective shell 4;

[0029] Supporting assembly 6, the two sides of the protective shell 4 are provided with vertical grooves 61, and the inside of the vertical grooves 61 is fixedly connected with a light rod 62, and the outer circle of the light rod 62 is movably sleeved with two movable blocks 63, the two movable blocks 63 are movably connected through the spring 64, the spring 64 is movably sleeved on the outer circle of the light rod 62, the movable block 63 and the top block 66 are connected through the inclined plate 69, the movable rod of the hydraulic cylinder 3 is supported, the stability of the movable rod of the hydraulic cylinder 3 is ensured when the weight is pressed, and the service life of the whole hydraulic cylinder 3 is prolonged.

[0030] Two movable blocks 63 are symmetrically sleeved on the outer circle of a light rod 62, and the side wall of the movable block 63 is matched with the inner wall of the vertical groove 61 and is connected with the upper and lower sliding.

[0031] The inside of the movable block 63 and the top block 66 is respectively provided with a notch 1 65 and a notch 2 67, the inner wall of the notch 1 65 is fixedly connected with a short rod 68, the inner wall of the notch 2 67 is fixedly connected with two short rods 68 arranged symmetrically upward and downward, and the short rod 68 is rotatably connected with the end of the inclined plate 69 through the bearing.

[0032] The inclined plate 69 is provided with four pieces, and the four inclined plates 69 are arranged in the shape of "X", the spring 64 and the inclined plate 69 make the left and right inclined plates 69 respectively exert the force of opposite motion on the two top blocks 66, so that the top block 66 supports the movable rod of the hydraulic cylinder 3.

[0033] The end of the top block 66 close to the hydraulic cylinder 3 is provided with an arc, which is matched with the arc of the rod body of the hydraulic cylinder 3, and the two top blocks 66 are subjected to the force of opposite action, which supports the movable rod of the hydraulic cylinder 3.

[0034] The lower end of the top block 66 is provided with an inclined surface 610, which is a smooth surface, and the inclined surface 610 at the bottom of the top block 66 abuts against the transition section of the movable rod and the fixed rod of the hydraulic cylinder 3 during the descending process to realize the separation movement of the two top blocks 66, thereby facilitating the top block 66 to pass through the transition section of the fixed rod and the movable rod of the hydraulic cylinder 3.

[0035] Working principle: when using the lifting hydraulic device, first start the process of hydraulic cylinder 3 rising movement driven hydraulic cylinder 3 movable rod body top through screw 52 realizes the synchronous lifting movement of the protective shell 4, under the action of spring 64 and inclined plate 69 make the left and right two sides of the inclined plate 69 respectively for the two sides of the top block 66 implement the force of opposite movement, cause the top block 66 to top the outer wall of the movable rod body of the hydraulic cylinder 3, further play a supporting role to the movable rod body of the hydraulic cylinder 3, ensure the stability of the movable rod body of the hydraulic cylinder 3 when top heavy, prolong the service life of the whole hydraulic cylinder 3;

[0036] In the hydraulic cylinder 3 contraction driven protective shell 4 down into the cavity 2 inside, with driven in the top block 66 down, the bottom inclined surface 610 of the top block 66 in the process of descending against the transition section of the movable rod body and the fixed rod body of the hydraulic cylinder 3, at this time two top block 66 by the force of opposite movement, the movement of the top block 66 promotes the inclined plate 69 to push two movable blocks 63 on a light rod 62 to realize the point of opposite movement, the opposite movement of the two top block 66 is convenient to pass through the transition section of the fixed rod body and the movable rod body in the hydraulic cylinder 3, does not affect the normal use of the supporting assembly 6 later;

[0037] At the same time, the protective shell 4 covers the outer wall of the movable rod body of the hydraulic cylinder 3 to avoid some dust and impurities adhering to the outer wall of the movable rod body of the hydraulic cylinder 3 affecting the subsequent use of the hydraulic cylinder 3;

[0038] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above description and description are illustrative in nature, should not be understood as limiting the scope of protection of the present application.

Claims

1. A lifting hydraulic device, comprising a base (1), characterized in that, The base (1) has a cavity (2) inside, and a hydraulic cylinder (3) is fixedly connected inside the cavity (2). A protective shell (4) is movably installed on the upper end of the hydraulic cylinder (3). The protective shell (4) can be housed inside the cavity (2). Fixing blocks (7) are fixedly connected to the two side walls of the protective shell (4), and the fixing blocks (7) match the first channel (8). The first channel (8) is set inside the base (1) and communicates with the cavity (2). The base (1) also includes: The mounting assembly (5) has a through hole (51) on the top of the protective shell (4), and the upper end of the hydraulic cylinder (3) is connected to the through hole (51) by a screw (52), and the screw (52) is movably connected to the groove (9) provided inside the protective shell (4). The support assembly (6) has vertical grooves (61) on both sides of the protective shell (4), and a light rod (62) is fixedly connected inside the vertical groove (61). Two movable blocks (63) are movably sleeved on the outer ring of the light rod (62). The two movable blocks (63) are movably connected to each other by a spring (64). The spring (64) is movably sleeved on the outer ring of the light rod (62). The movable blocks (63) and the top block (66) are connected by a drive plate (69).

2. The lifting hydraulic device according to claim 1, characterized in that, The two movable blocks (63) are symmetrically fitted around the outer ring of a smooth rod (62), and the side wall of the movable block (63) is attached to the inner wall of the vertical groove (61) and slidably connected up and down.

3. The lifting hydraulic device according to claim 1, characterized in that, The movable block (63) and the top block (66) are respectively provided with a notch 1 (65) and a notch 2 (67). A short rod (68) is fixedly connected to the inner wall of the notch 1 (65), and two short rods (68) are fixedly connected to the inner wall of the notch 2 (67) and are arranged symmetrically at the top and bottom. The ends of the short rods (68) are rotatably connected to the inclined plate (69) through bearings.

4. The lifting hydraulic device according to claim 1, characterized in that, The inclined plate (69) is provided in a quantity of four pieces, and the four inclined plates (69) are arranged in an "X" shape.

5. The lifting hydraulic device according to claim 1, characterized in that, The top block (66) has an arc at the end near the hydraulic cylinder (3), which matches the arc of the hydraulic cylinder (3) rod.

6. The lifting hydraulic device according to claim 1, characterized in that, The lower end of the top block (66) is provided with an inclined surface (610), and the inclined surface (610) is a smooth surface.

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