Limit connecting device for hydraulic cylinder

Abstract

The utility model discloses a hydraulic cylinder limit connecting device which comprises a hydraulic cylinder and a limiter pulley action detection structure matched with the hydraulic cylinder, the hydraulic cylinder is matched with a guide plate, the guide plate is connected with a limit plate in a sliding mode, the guide plate is detachably connected to the hydraulic cylinder, and the limit plate is connected with the limit plate in a sliding mode. The limiting plate is provided with a groove body structure used for detecting the motion of a limiting stopper pulley, one end of the limiting plate and the guide plate are arranged in an open mode, and the other end of the limiting plate is connected to a fixing plate at the output end of the hydraulic cylinder, so that the limiting stopper can sense the motion when the cylinder body stretches out and draws back, and when the cylinder body moves to an over-limit position, the limiting stopper can stop moving. The cylinder body automatically stops running, it is guaranteed that the thickener hydraulic cylinder does not run in an over-limit mode, the cylinder body is prevented from being damaged, and stable running of equipment is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of hydraulic transmission, specifically relates to a hydraulic cylinder limit connecting device. BACKGROUND

[0002] The ore dressing operation department 50m thickening big well rake lifting and lowering is realized through the hydraulic system control hydraulic cylinder lifting and lowering, and each thickener is provided with a total of 12 hydraulic cylinders, and in the working process, the cylinder body is impacted due to the change of inertia when the hydraulic cylinder reaches the limit position, and the cylinder body is even broken in severe cases, so that the operator control precision is reduced, many inconveniences are brought to production, and normal production is affected.

[0003] In view of the above factors, the utility model provides a hydraulic cylinder limit connecting device, which effectively prevents the cylinder body from being damaged due to over-limit action of the hydraulic cylinder, and the device is simple in structure and easy to manufacture. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a hydraulic cylinder limit connecting device to solve the problems in the above background technology.

[0005] The utility model aims at providing a hydraulic cylinder limit connecting device to solve the problems in the above background technology.

[0006] The guide plate is detachably connected to the hydraulic cylinder;

[0007] The limit plate is provided with a groove structure for limit stopper pulley action detection, one end of the limit plate is provided in an open type with the guide plate, and the other end of the limit plate is connected to the fixed plate at the output end of the hydraulic cylinder.

[0008] Further, the upper end of the groove structure is 220mm away from the top of the limit plate, the groove structure is a groove with a length of 230mm and a width of 30mm;

[0009] The groove structure is a rectangular groove structure or a waist-shaped groove structure, and the groove structure is provided in a through groove structure.

[0010] Further, the limit plate is made of 304 stainless steel, the thickness of the limit plate is 3mm, and the length of the limit plate is controlled to be between 1000mm and 1600mm.

[0011] Further, the width of the limit plate is 80mm, and the long side of the limit plate is inwardly turned by 90 degrees, and the width of the turning angle is 10mm.

[0012] Further, the length of the groove structure is less than the limit extension length of the hydraulic cylinder by 3-5mm.

[0013] Further, a connecting hole is arranged on the limit plate at a position 60mm from the bottom of the limit plate, and the connecting hole is connected with a fixing plate at the output end of the hydraulic cylinder.

[0014] Further, the bottom surface of the limit plate is in contact with the end surface of the guide plate, symmetric pulleys are arranged on the guide plate, and the limit plate moves up and down between the symmetric pulleys through the action of the hydraulic cylinder.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model adopts the connection of the splicing mode, is convenient to disassemble and replace, effectively guarantees that the hydraulic cylinder of the thickener does not run beyond the limit, prevents the damage of the cylinder body, and guarantees the stable operation of equipment.

[0017] The utility model is made of 304 stainless steel material, is suitable for the working condition in outdoor or water-rich environment, and prolongs the service life.

[0018] The utility model has simple device structure, low cost, easy installation, strong universality, and can realize that the limit switch can sense the action when the cylinder body is stretched and contracted, and the cylinder body is automatically stopped when the cylinder body moves to the position beyond the limit. DRAWINGS

[0019] Figure 1 It is the three-dimensional schematic view of the utility model;

[0020] Figure 2 It is the plane schematic view of the utility model;

[0021] Figure 3 It is the limit switch pulley action detection structure schematic view of the utility model;

[0022] Figure 4 It is the plane schematic view of the utility model Figure 3 . DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] In the description of the utility model, it needs to be explained that, unless there is definite stipulation and limitation, the terms "mount", "connect", "connection" should be understood in broad sense, for example, it can be fixed connection, also can be detachable connection, or integrally connected, it can be direct connection, also can be indirectly connected through intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific conditions.

[0025] In the description of the utility model, it needs to be understood that, the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0026] As Figures 1-4 Indicated, a kind of hydraulic cylinder limit connecting device, including hydraulic cylinder 1 and the limit stopper pulley action detection structure cooperating with hydraulic cylinder 1, the hydraulic cylinder 1 cooperates with guide plate 2, limit plate 3 is connected in sliding mode on the guide plate 2;

[0027] The guide plate 2 is detachably connected on the hydraulic cylinder 1;

[0028] Groove structure 4 for limit stopper pulley action detection is set on the limit plate 3, one end of the limit plate 3 is open type with the guide plate 2, the other end of the limit plate 3 is connected on the fixed plate of the output end of the hydraulic cylinder 1.

[0029] In order to effectively guarantee that concentrator hydraulic cylinder does not over-limit operation in use state, prevent cylinder damage, guarantee equipment stable operation, the upper end of groove structure 4 is at 220mm at the top of limit plate 3, the length of groove structure 4 is 230mm, and the width of groove structure 4 is 30mm groove;

[0030] The groove structure 4 is rectangular groove structure or waist-shaped groove structure, and the groove structure 4 is provided as a through groove structure.

[0031] In order to facilitate in use state, adapt to working condition in outdoor or more water environment, prolong service life, the limit plate 3 is made of 304 stainless steel material, the thickness of the limit plate 3 is 3mm, and the length of the limit plate 3 is controlled between 1000mm and 1600mm.

[0032] In order to facilitate the cooperation of the limit plate and the guide plate in the use state, the width of the limit plate 3 is 80mm, and the long side of the limit plate 3 is turned inward by 90 degrees, and the width of the turning angle is 10mm.

[0033] The length of the groove structure 4 is less than the limit extension length of the hydraulic cylinder 1 by 3-5mm.

[0034] In order to facilitate the connection of the connecting hole and the fixed plate at the output end of the hydraulic cylinder 1 in the use state, the connecting hole 5 is arranged on the limit plate 3 at a position 60mm away from the bottom of the limit plate 3, and the connecting hole 5 is connected with the fixed plate at the output end of the hydraulic cylinder 1.

[0035] In order to facilitate the guarantee of the longitudinal running of the limit plate not to deviate by arranging the symmetrical pulley structure in the use state, the bottom surface of the limit plate 3 is in contact with the end surface of the guide plate 2, symmetrical pulleys 6 are arranged on the guide plate 2, and the limit plate 3 moves up and down between the symmetrical pulleys 6 under the action of the hydraulic cylinder 1.

[0036] In use, the limit plate moves up and down between the pulleys of the guide plate 2 under the movement of the hydraulic cylinder, the limit pulley action detection structure is arranged on the connecting plate fixedly connected with the guide plate 2, the limit pulley on the limit pulley action detection structure is in contact with the upper end and the lower end of the groove structure 4, the limit pulley can sense the action when the cylinder body extends and retracts, and the cylinder body is automatically stopped.

[0037] The hydraulic cylinder 1 is electrically connected with a PLC or a single-chip microcomputer controller, and the limit pulley action detection structure is electrically connected with the PLC or the single-chip microcomputer controller (not shown in the prior art figure).

[0038] The utility model realizes that the limit pulley can sense the action when the cylinder body extends and retracts, the cylinder body is automatically stopped when the cylinder body moves to the position of over-limit, the concentrated machine hydraulic cylinder is prevented from over-limit operation, the cylinder body is prevented from being damaged, and the equipment is ensured to stably operate.

[0039] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0040] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. A hydraulic cylinder limit connection device comprising a hydraulic cylinder (1) and a limiter pulley action detection structure cooperating with the hydraulic cylinder (1), characterized in that: The hydraulic cylinder (1) cooperates with a guide plate (2), and a limit plate (3) is connected to the guide plate (2) in a sliding manner; The guide plate (2) is detachably connected to the hydraulic cylinder (1); The limit plate (3) is provided with a groove structure (4) for detecting the action of a limiter pulley, one end of the limit plate (3) is open to the guide plate (2), and the other end of the limit plate (3) is connected to a fixed plate at the output end of the hydraulic cylinder (1).

2. The hydraulic cylinder extremity connection apparatus of claim 1, wherein: The upper end of the groove structure (4) is 220mm from the top of the limit plate (3), the length of the groove structure (4) is 230mm, and the width of the groove structure (4) is 30mm; The groove structure (4) is a rectangular groove structure or a waist-shaped groove structure, and the groove structure (4) is a through groove structure.

3. The hydraulic cylinder extremity connection apparatus of claim 2, wherein: The limit plate (3) is made of 304 stainless steel, the thickness of the limit plate (3) is 3mm, and the length of the limit plate (3) is controlled to be between 1000mm and 1600mm.

4. The hydraulic cylinder limit link of claim 3, wherein: The width of the limit plate (3) is 80mm, and the long side of the limit plate (3) is turned inward by 90 degrees, and the width of the corner is 10mm.

5. The hydraulic cylinder limit link of claim 4, wherein: The length of the groove structure (4) is less than the limit extension length of the hydraulic cylinder (1) by 3-5mm.

6. The hydraulic cylinder limit link of claim 5, wherein: A connecting hole (5) is arranged on the limit plate (3) at a distance of 60mm from the bottom of the limit plate (3), and the connecting hole (5) is connected to the fixed plate at the output end of the hydraulic cylinder (1).

7. The hydraulic cylinder limit link of claim 6, wherein: The bottom surface of the limit plate (3) is in contact with the end surface of the guide plate (2), the guide plate (2) is provided with symmetrical pulleys (6), and the limit plate (3) moves up and down between the symmetrical pulleys (6) through the action of the hydraulic cylinder (1).

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