Brake structure for a manual jib crane
By designing a pneumatic braking structure on a manual cantilever crane, the problem of inertial deviation in cantilever cranes is solved, thereby improving safety and efficiency, and making it suitable for assembly line and warehouse lifting operations.
Patent Information
- Application Number
- CN202423218420.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Manually operated cantilever cranes may deviate due to inertia during operation, potentially causing accidents.
A braking structure including a pneumatic brake, a compressed air pipeline, a control device, and a brake disc was designed. The cantilever is stopped by the friction between the pneumatic brake and the brake disc, and the compressed air pipeline provides power and the control device controls the braking action.
It effectively prevents the cantilever crane from shifting due to inertia, improving safety and efficiency, reducing production costs, and is suitable for material handling on assembly lines and stacking goods in warehouses.
Smart Images

Figure CN223606956U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to brake structure technical field, it is a kind of brake structure of hand-operated cantilever crane. BACKGROUND
[0002] Hand-operated cantilever crane is widely used in industrial production, logistics and warehousing etc., in factory, it can be used for material handling and assembly on production line;In warehouse, it can be used for loading and unloading and stacking of goods, in addition, hand-operated cantilever crane can also be used for hoisting operation in wharf, construction site etc.
[0003] Brake system is an auxiliary system increased on the basis of hand-operated cantilever crane, when hand-operated cantilever crane needs to stop at a certain position in the process of working, prevent from deviating due to the action of inertia, so as to cause accident. CONTENT OF THE UTILITY MODEL
[0004] The utility model discloses in order to solve the technical problem that hand-operated cantilever crane needs to stop at a certain position in the process of working, prevent from deviating due to the action of inertia, so as to cause accident, and provide a kind of brake structure of hand-operated cantilever crane.
[0005] The utility model solves above-mentioned technical problem by the following technical scheme:
[0006] The utility model provides brake structure of hand-operated cantilever crane, brake structure of hand-operated cantilever crane includes:
[0007] Stand column;
[0008] Pneumatic brake, pneumatic brake is installed on stand column;
[0009] Brake disc, brake disc is installed on one side of pneumatic brake, pneumatic brake generates friction with brake disc by brake pad, so that cantilever stops;
[0010] Compressed air pipeline, compressed air pipeline is connected with pneumatic brake, and compressed air pipeline is used to provide power transmission part for pneumatic brake;
[0011] Control device, control device is installed on the surface of stand column, and control device is used to provide the effect of brake when cantilever crane needs to stop at a certain position.
[0012] Further, the compressed air pipeline includes PA quick-change connector, air pipe and graham, PA quick-change connector is installed at the front end of air pipe, and graham is connected to the other end of air pipe.
[0013] Further, the control device comprises a first air pipe joint and a button type pneumatic two-position three-way mechanical valve, the first air pipe joint is installed on the button type pneumatic two-position three-way mechanical valve, the button type pneumatic two-position three-way mechanical valve is provided with the first air pipe joint at both ends, and the button type pneumatic two-position three-way mechanical valve is connected with the air pipe.
[0014] Further, the front side of the bottom end of the stand is fixedly provided with a Gulan, and the Gulan is used for connecting the air pipe with the control device.
[0015] Further, the pneumatic brake comprises brake pads, a brake support, a second air pipe joint and a brake, the brake support is installed on the surface of the boom, the brake is installed on the surface of the brake support, the second air pipe joint is installed on the side surface of the brake, and the brake is connected with the brake pads.
[0016] Further, the brake disc comprises a disc and a vertical pipe, the vertical pipe is connected with the top end of the stand, and the disc is sleeved on the surface of the vertical pipe.
[0017] Further, the disc has a diameter of 200 mm and a thickness of 10 mm, the disc is welded on the vertical pipe with a diameter of 89 mm, and the vertical pipe is connected with the boom on the side surface.
[0018] Further, the number of the brake pads is four, and the four brake pads are provided with the disc in the middle.
[0019] Further, the control device is connected with the pneumatic brake through the air pipe.
[0020] Further, the brake is fixedly connected with the brake support through four M10*25 internal hexagonal bolts, and the brake support is welded on the stand.
[0021] On the basis of conforming to the common sense in the art, the above-mentioned preferred conditions can be combined arbitrarily, that is, the preferred examples of the utility model are obtained.
[0022] The positive progress effect of the utility model lies in that:
[0023] The brake structure of the manual boom crane provided above has the advantages of simple structure, wide application range, high safety, application in material carrying of a flow line, stacking of goods in a warehouse, application in frequent hoisting occasions, realization of humanization of hoisting machinery, reduction of deviation caused by inertia and accidents, improvement of efficiency, reduction of production cost, and realization of profit for an enterprise. BRIEF DESCRIPTION OF DRAWINGS
[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description only illustrate some embodiments of the present application.
[0025] Figure 1 It is the three-dimensional structure schematic view of the brake structure of the utility model.
[0026] Figure 2 It is the compressed air pipeline structure schematic view of the brake structure of the utility model.
[0027] Figure 3 It is the control device structure schematic view of the brake structure of the utility model.
[0028] Figure 4 It is the pneumatic brake structure schematic view of the brake structure of the utility model.
[0029] Figure 5 It is the brake disc structure schematic view of the brake structure of the utility model.
[0030] Explanation of reference signs
[0031] 1, compressed air pipeline; 11, PA quick-change connector; 12, air pipe; 13, Gulan; 2, control device; 21, first air pipe connector; 22, button type pneumatic two-position three-way mechanical valve; 3, pneumatic brake; 31, brake pad; 32, brake support; 33, second air pipe connector; 34, brake; 4, brake disc; 41, disc; 42, vertical pipe; 5, stand column; 6, boom. DETAILED DESCRIPTION
[0032] In order to make the person skilled in the art better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the present application.
[0033] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.
[0034] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.
[0035] In addition, in addition to indicating the orientation or positional relationship, the above-mentioned partial terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific situation.
[0036] In addition, the terms "mounting", "setting", "provided with", "connecting", "connecting", "sleeving" should be broadly understood. For example, it can be fixedly connected, detachably connected, or integrally constructed; it can be mechanically connected or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific situation.
[0037] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.
[0038] As shown in the drawings, the brake structure of the manual cantilever crane comprises: Figures 1-5
[0039] a stand 5;
[0040] a pneumatic brake 3, which is installed on the stand 5;
[0041] a brake disc 4, which is installed on one side of the pneumatic brake 3, and the pneumatic brake 3 generates friction with the brake disc 4 through brake pads 31, so that the cantilever stops;
[0042] a compressed air pipeline 1, which is connected with the pneumatic brake 3, and is used to provide a power transmission part for the pneumatic brake 3;
[0043] a control device 2, which is installed on the surface of the stand 5, and is used to provide the function of the brake when the cantilever crane needs to stop at a certain position.
[0044] The compressed air pipeline 1 is connected with the pneumatic brake 3, which is an external purchase part, the diameter of the air pipe 12 is 12mm (according to the actual demand), and the air pipe 12 provides power transmission for the pneumatic brake 3; without the air source, the pneumatic brake 3 cannot work; therefore, without the air source, the brake system cannot work, the air compressor provides 0.5~07Mpa air pressure, the control device 2 is the control part of the pneumatic brake 3, and the brake function is provided when the cantilever crane needs to stop at a certain position, so as to prevent deviation due to inertia and accidents, the pneumatic brake 3 refers to the execution element in the brake system, which contains four brake pads 31, and the brake pads 31 generate friction with the brake disc 4 to stop the cantilever, which is suitable for material handling of the assembly line, stacking of goods in the warehouse, and can be applied to the occasion of frequent hoisting, realizes the humanization of the hoisting machinery, reduces the deviation due to inertia and accidents, improves the efficiency, reduces the production cost, and helps the enterprise to realize the profit.
[0045] The compressed air pipeline 1 comprises a PA quick-change joint 11, an air pipe 12 and a clamp 13, the PA quick-change joint 11 is installed at the front end of the air pipe 12, and the clamp 13 is connected to the other end of the air pipe 12.
[0046] One end of the PA quick-change joint 11 of the compressed air pipeline 1 is connected to the air source, and the other end is connected to the air pipe 12, the air pipe 12 is connected to the control device 2 through the clamp 13, and the clamp 13 is fixed on the cantilever crane column 5.
[0047] The control device 2 comprises a first air pipe joint 21 and a button type pneumatic two-position three-way mechanical valve 22, the first air pipe joint 21 is installed on the button type pneumatic two-position three-way mechanical valve 22, both ends of the button type pneumatic two-position three-way mechanical valve 22 are provided with the first air pipe joint 21, and one end of the button type pneumatic two-position three-way mechanical valve 22 is connected with the air pipe 12.
[0048] The clamp 13 is fixedly installed at the bottom front side of the column 5, and the clamp 13 is used for connecting the air pipe 12 and the control device 2.
[0049] The pneumatic brake 3 comprises a brake pad 31, a brake support 32, a second air pipe joint 33 and a brake 34, the brake support 32 is installed on the surface of the hoisting arm 6, the brake 34 is installed on the surface of the brake support 32, the second air pipe joint 33 is installed on the side surface of the brake 34, and the brake 34 is connected with the brake pad 31.
[0050] The pneumatic brake 3 refers to an execution element in a brake system, which contains four brake pads 31, and is used for stopping a cantilever by friction between a brake 34 and a brake disc 4 through the brake pads 31, and is suitable for material handling in a production line, stacking of goods in a warehouse, and frequent hoisting occasions, realizes humanization of a hoisting machine, reduces deviation caused by inertia and accidents, improves efficiency, reduces production cost, and helps an enterprise to realize profit.
[0051] The brake disc 4 comprises a disc 41 and a stand pipe 42, the stand pipe 42 is connected with the top end of a stand column 5, and the surface of the stand pipe 42 is sleeved with the disc 41.
[0052] The disc 41 has a diameter of 200 mm and a thickness of 10 mm, the disc 41 is welded on the stand pipe 42 with a diameter of 89 mm, and the side surface of the stand pipe 42 is connected with a hoisting arm 6.
[0053] The number of the brake pads 31 is four, and the four brake pads 31 are provided with the disc 41 in the middle.
[0054] The control device 2 is connected with the pneumatic brake 3 through an air pipe 12.
[0055] The brake 34 is fixedly connected with a brake support 32 through four M10*25 internal hexagonal bolts, and the brake support 32 is welded on the stand column 5.
[0056] The circuit and electronic components and modules are all prior art, and a person skilled in the art can realize them without redundancy, and the content protected by the application does not involve improvement of software and methods.
[0057] The utility model is not limited to the above-mentioned embodiment, and no matter any change in shape or structure, falls in the protection scope of the utility model. The protection scope of the utility model is defined by the appended claims, and a person skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the utility model, but these changes and modifications all fall into the protection scope of the utility model.
Claims
1. A brake structure of a manual jib crane, characterized by, The brake structure of the manual cantilever crane comprises: a stand (5); a pneumatic brake (3) installed on the stand (5); a brake disc (4) installed on one side of the pneumatic brake (3), the pneumatic brake (3) generating friction with the brake disc (4) through brake pads (31) to stop the cantilever; a compressed air pipeline (1) connected with the pneumatic brake (3), the compressed air pipeline (1) being used to provide power transmission part for the pneumatic brake (3); a control device (2) installed on the surface of the stand (5), the control device (2) being used to provide brake action when the cantilever crane needs to stop at a certain position.
2. The brake structure of the manual jib crane according to claim 1, wherein: The compressed air pipeline (1) comprises a PA quick-change joint (11), an air pipe (12) and a gland (13), the air pipe (12) being provided at the front end with the PA quick-change joint (11), and the other end of the air pipe (12) being connected with the gland (13).
3. The hand-operated jib crane brake structure according to claim 1, wherein: The control device (2) comprises a first air pipe joint (21) and a button-type pneumatic two-position three-way mechanical valve (22), the first air pipe joint (21) being installed on the button-type pneumatic two-position three-way mechanical valve (22), both ends of the button-type pneumatic two-position three-way mechanical valve (22) being provided with the first air pipe joint (21), and one end of the button-type pneumatic two-position three-way mechanical valve (22) being connected with the air pipe (12).
4. The hand-operated jib crane brake structure according to claim 1, wherein: The stand (5) is fixedly provided at the bottom front side with the gland (13), and the gland (13) is used to connect the air pipe (12) with the control device (2).
5. The hand-operated jib crane brake structure according to claim 1, wherein: The pneumatic brake (3) comprises the brake pads (31), a brake support (32), a second air pipe joint (33) and a brake (34), the brake support (32) being installed on the surface of the cantilever (6), the brake (34) being installed on the surface of the brake support (32), the second air pipe joint (33) being installed on the side surface of the brake (34), and the brake (34) being connected with the brake pads (31).
6. The hand-operated jib crane brake structure according to claim 1, wherein: The brake disc (4) comprises a disc (41) and a vertical pipe (42), the vertical pipe (42) being connected with the top end of the stand (5), and the disc (41) being sleeved on the surface of the vertical pipe (42).
7. The hand-operated jib crane brake structure according to claim 6, wherein: The disc (41) has a diameter of 200 mm and a thickness of 10 mm, the disc (41) is welded on the vertical pipe (42) with a diameter of 89 mm, and the vertical pipe (42) is connected with the cantilever (6) on the side surface.
8. The hand-operated jib crane brake structure of claim 5 wherein: The number of the brake pads (31) is four, and the four brake pads (31) are provided with the disc (41) in the middle.
9. The hand-operated jib crane brake structure of claim 1 wherein: The control device (2) is connected with the pneumatic brake (3) through the air pipe (12).
10. The hand-operated jib crane brake structure of claim 5 wherein: The brake (34) is fixedly connected with the brake support (32) through four M10*25 internal hexagonal bolts, and the brake support (32) is welded on the stand (5).