Hydraulic brake device of crane

Abstract

The utility model discloses a hydraulic brake device of a crane, which belongs to the technical field of cranes and comprises a support plate, an oil tank is fixedly connected to the bottom surface of the support plate, two vertical plates are fixedly connected to the upper surface of the support plate, and fixing covers are fixedly connected to one side surfaces, far away from each other, of the two vertical plates. Hydraulic brake cylinders are fixedly mounted on the inner side walls of the two fixing covers correspondingly, moving plates are fixedly mounted at the telescopic ends of the two hydraulic brake cylinders correspondingly, brake pads are fixedly mounted on the side faces, close to each other, of the two moving plates correspondingly, and two oil pumps are fixedly mounted on the bottom face of the supporting plate; the output ends of the two oil pumps fixedly communicate with oil conveying pipes. According to the hydraulic brake device of the crane, through movement of the two hydraulic brake cylinders, the two movable plates and the two brake pads can be driven to move at the same time, the surface of a brake shaft can be rapidly pressed, the stability during braking is improved, and the braking effect of the hydraulic brake device on the brake shaft is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of hoist, concretely is a hoist hydraulic brake device. BACKGROUND

[0002] The hoist, also called the overhead crane, the aerial crane and the crane, is a multi-motion hoisting machinery for vertically lifting and horizontally transporting heavy objects in a certain range, and has the intermittent motion characteristic, that is, the corresponding mechanisms for taking, transporting and unloading in a working cycle work alternately.

[0003] The hoist needs hydraulic braking in the working process, and the hoist hydraulic brake device disclosed by the Chinese patent with the announcement number CN219341586U includes a stable base, left and right vertical plates which are hingedly connected to the stable base, and a brake shaft arranged between the left and right vertical plates, and the opposite sides of the left and right vertical plates are hingedly connected with sliding seats. UTILITY MODEL CONTENTS

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

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme.

[0006] A hoist hydraulic brake device includes a support plate, an oil tank fixedly connected to the bottom surface of the support plate, two vertical plates fixedly connected to the upper surface of the support plate, a fixed cover fixedly connected to the side of each vertical plate away from the other, a hydraulic brake cylinder fixedly installed on the inner side wall of each fixed cover, a moving plate fixedly installed on the extension end of each hydraulic brake cylinder, a brake pad fixedly installed on the side of each moving plate close to the other, two oil pumps fixedly installed on the bottom surface of the support plate, an oil output pipe fixedly and continuously communicated with the output end of each oil pump, an oil injection end of each hydraulic brake cylinder fixedly and continuously communicated with the top end of each oil output pipe, an oil suction pipe fixedly and continuously communicated with the input end of each oil pump, and each oil suction pipe penetrating the oil tank and extending into the interior of the oil tank.

[0007] As a further scheme of the utility model, a first through hole is formed in the bottom surface of each fixed cover, and a second through hole is formed in the side of each vertical plate close to the other.

[0008] As a further scheme of the utility model: two the vertical plate mutually close one side all are equipped with slide hole, two the slide hole inner wall all are connected with slide plate, two the slide plate mutually close one side respectively with two moving plate mutually far away one side fixed connection.

[0009] As a further scheme of the utility model: two the vertical plate mutually close one side all are equipped with slide hole, two the slide hole inner wall all are connected with slide plate, two the slide plate mutually close one side respectively with two moving plate mutually far away one side fixed connection.

[0010] As a further scheme of the utility model: two the vertical plate mutually close one side all are equipped with slide hole, two the slide hole inner wall all are connected with slide plate, two the slide plate mutually close one side respectively with two moving plate mutually far away one side fixed connection.

[0011] As a further scheme of the utility model: two the vertical plate mutually close one side all are equipped with slide hole, two the slide hole inner wall all are connected with slide plate, two the slide plate mutually close one side respectively with two moving plate mutually far away one side fixed connection.

[0012] As a further scheme of the utility model: two the vertical plate mutually close one side all are equipped with slide hole, two the slide hole inner wall all are connected with slide plate, two the slide plate mutually close one side respectively with two moving plate mutually far away one side fixed connection.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The crane hydraulic brake device, through the setting of the support plate and the fixed cover, can support two hydraulic brake cylinders, and simultaneously using the cooperation of the oil tank, the oil pump and the oil delivery pipe, the hydraulic oil in the oil tank can be pumped out and delivered to the inside of the hydraulic brake cylinder, so that the two hydraulic brake cylinders move simultaneously, and through the movement of the two hydraulic brake cylinders, the two moving plates and the two brake pieces can be driven to move simultaneously, the surface of the brake shaft can be quickly pressed tightly, and friction force can be generated, thereby improving the stability during braking and enhancing the braking effect on the brake shaft. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a kind of crane hydraulic brake device front view's stereoscopic structure schematic view;

[0016] Fig. 2 It is a kind of crane hydraulic brake device front view's sectional view;

[0017] Fig. 3 It is a kind of crane hydraulic brake device side view's sectional view;

[0018] Fig. 4 It is a kind of crane hydraulic brake device in support plate's bottom view's stereoscopic structure schematic view.

[0019] In the figure: 1, support plate; 2, vertical plate; 3, oil tank; 4, fixed cover; 5, hydraulic brake cylinder; 6, second through hole; 7, moving plate; 8, brake pad; 9, oil pump; 10, oil extraction pipe; 11, oil delivery pipe; 12, first through hole; 13, support block; 14, fixed block; 15, sliding plate; 16, sliding hole; 17, mounting hole; 18, oil injection joint. DETAILED DESCRIPTION

[0020] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "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 present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0021] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] Please refer to Figs. 1-4The utility model discloses an embodiment of crane hydraulic brake device, including support plate 1, the bottom surface fixed connection of support plate 1 has oil tank 3, the upper surface fixed connection of support plate 1 has two vertical boards 2, and the side of two vertical boards 2 away from each other is all fixedly connected with fixed cover 4, and the inner side wall of two fixed covers 4 is all fixedly installed with hydraulic brake cylinder 5, and the telescopic end of two hydraulic brake cylinders 5 is all fixedly installed with moving plate 7, and the side of two moving plates 7 close to each other is all fixedly installed with brake pad 8, and the bottom surface fixed mounting of support plate 1 has two oil pump 9, and the output of two oil pump 9 is all fixedly communicated with oil delivery pipe 11, and the top of two oil delivery pipes 11 is fixedly communicated with the oil injection end of two hydraulic brake cylinders 5 respectively, and the input of two oil pump 9 is all fixedly communicated with oil suction pipe 10, and the end of two oil suction pipes 10 close to each other all penetrates oil tank 3 and extends to the inside of oil tank 3, through the cooperation of oil tank 3, oil pump 9 and oil delivery pipe 11, can extract hydraulic oil in oil tank 3, and will be transported to the inside of hydraulic brake cylinder 5, will make two hydraulic brake cylinders 5 move simultaneously, can provide power for the movement of two hydraulic brake cylinders 5.

[0023] As the further scheme of the utility model: the bottom surface of two fixed covers 4 all is equipped with first through -hole 12, and the side of two vertical boards 2 close to each other all is equipped with second through -hole 6, and two hydraulic brake cylinders 5 are located inside two second through -holes 6 respectively, and two oil delivery pipes 11 are located inside two first through -holes 12 respectively, and the side of two vertical boards 2 close to each other all is equipped with slide hole 16, and the inner wall of two slide holes 16 is all slidably connected with sliding plate 15, and the side of two sliding plates 15 close to each other is fixedly connected with the side of two moving plates 7 away from each other respectively, through the setting of first through -hole 12 and second through -hole 6, can install oil delivery pipe 11 and hydraulic brake cylinder 5 respectively, utilize the setting of slide hole 16 and sliding plate 15, can make moving plate 7 stable left and right slide.

[0024] As the further scheme of the utility model: the upper surface of support plate 1 is fixedly connected with two fixed blocks 14, and the side of two fixed blocks 14 away from each other is fixedly connected with the side of two vertical boards 2 close to each other respectively, and the inner bottom wall of two fixed covers 4 is all fixedly connected with support block 13, and the upper surface of two support blocks 13 is fixedly connected with the bottom surface of two hydraulic brake cylinders 5 respectively, and the back of oil tank 3 is fixedly communicated with oil injection connector 18, and the upper surface of support plate 1 is equipped with two groups of mounting holes 17, through the setting of fixed block 14, can fixedly support vertical board 2, will make vertical board 2 more firm, utilize the setting of support block 13, play the role of supporting hydraulic brake cylinder 5, can make hydraulic brake cylinder 5 more stable work, through the setting of oil injection connector 18, it is convenient to inject oil.

[0025] The working principle of the utility model is: first, the support plate 1 is installed and fixed through the installation hole 17, then the device is connected with the brake system of the crane, when the device brakes, the oil pump 9 is started to work, the hydraulic oil in the oil tank 3 can be pumped out, transported to the hydraulic brake cylinder 5 through the oil pipe 11, after the hydraulic oil enters the two hydraulic brake cylinders 5, the two hydraulic brake cylinders 5 drive the two moving plates 7 and the two brake pieces 8 to move at the same time, the surface of the brake shaft can be quickly pressed, and friction force can be generated, which can slow down the brake shaft of the crane until it stops.

[0026] The above is only the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. For those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and the utility model 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, and the scope of the utility model is defined by the appended claims rather than the above description, 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.

[0027] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. Crane hydraulic brake device comprising a support plate (1), characterised in that, The bottom surface of the support plate (1) is fixedly connected with an oil tank (3), the upper surface of the support plate (1) is fixedly connected with two vertical plates (2), the side surface, away from each other, of the two vertical plates (2) is fixedly connected with a fixed cover (4), the inner side wall of the two fixed covers (4) is fixedly installed with a hydraulic brake cylinder (5), the telescopic end of the two hydraulic brake cylinders (5) is fixedly installed with a moving plate (7), the side surface, close to each other, of the two moving plates (7) is fixedly installed with a brake pad (8), the bottom surface of the support plate (1) is fixedly installed with two oil pumps (9), the output end of the two oil pumps (9) is fixedly communicated with an oil delivery pipe (11), the top end of the two oil delivery pipes (11) is respectively fixedly communicated with the oil injection end of the two hydraulic brake cylinders (5), the input end of the two oil pumps (9) is fixedly communicated with an oil pumping pipe (10), the end, close to each other, of the two oil pumping pipes (10) penetrates through the oil tank (3) and extends into the inside of the oil tank (3).

2. A crane hydraulic brake device according to claim 1, characterized in that The bottom surface of the two fixed covers (4) is provided with a first through hole (12), the side surface, close to each other, of the two vertical plates (2) is provided with a second through hole (6).

3. A crane hydraulic brake device according to claim 1, characterized in that The side surface, close to each other, of the two vertical plates (2) is provided with a sliding hole (16), the inner wall of the two sliding holes (16) is slidably connected with a sliding plate (15), the side surface, close to each other, of the two sliding plates (15) is fixedly connected with the side surface, away from each other, of the two moving plates (7).

4. A crane hydraulic brake apparatus according to claim 1, characterized in that, The upper surface of the support plate (1) is fixedly connected with two fixed blocks (14), the side surface, away from each other, of the two fixed blocks (14) is fixedly connected with the side surface, close to each other, of the two vertical plates (2).

5. A crane hydraulic brake apparatus according to claim 1, wherein The inner bottom wall of the two fixed covers (4) is fixedly connected with a support block (13), the upper surface of the two support blocks (13) is fixedly connected with the bottom surface of the two hydraulic brake cylinders (5).

6. A crane hydraulic brake apparatus according to claim 1, wherein The back surface of the oil tank (3) is fixedly communicated with an oil injection connector (18), the upper surface of the support plate (1) is provided with two groups of mounting holes (17).

7. A crane hydraulic brake apparatus according to claim 1, wherein The two hydraulic brake cylinders (5) are respectively located in the inside of the two second through holes (6), the two oil delivery pipes (11) are respectively located in the inside of the two first through holes (12).

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