A rope end sliding warning device for fixing the tail end of a steel wire rope by a pressing plate

Abstract

The application discloses a rope head sliding warning device for fixing the tail end of a steel wire rope by a pressing plate, relates to the technical field of steel wire rope fixing for hoist machines, and comprises an audible and visual warning assembly, an elastic contact assembly and a top pressure switch assembly. The audible and visual warning assembly is arranged on the upper end of the elastic contact assembly and is connected in a rotary separation mode. The top pressure switch assembly is movably inserted into the inner end of the elastic contact assembly through the socket on the elastic contact assembly. The elastic contact assembly is fixed on the rope head of the steel wire rope through buckling. The rope head sliding drives the lower pull switch assembly to slide, so that the elastic contact assembly is pressed by the roller pressing plate. The rope head drives the top pressure switch assembly to slide in a circumferential mode, so that the top pressure switch assembly touches the roller pressing plate. The roller pressing plate presses the lower end of the adjusting pressure sleeve, the threaded top pressure rod is moved inward along the bottom cover guide seat, the normally open elastic disc lower contact is lifted, and thus the staff is reminded to take measures immediately, so that the rope head sliding off is avoided to cause a major accident, and the safety of equipment and engineering is ensured.

Description

TECHNICAL FIELD

[0001] The application relates to a steel wire rope fixing technology for a hoist, in particular to a rope head sliding warning device for fixing a steel wire rope tail end by a pressing plate. BACKGROUND

[0002] The hoist is widely applied in the water conservancy industry, and a coastal tide gate protection type river blocking cable assembly is disclosed in CN202021482340.X, wherein the fixing of the steel wire rope tail end on the winding drum is achieved by pressing the steel wire rope on the winding drum wall by a pressing plate, but whether the connection of the pressing plate is firm directly relates to the engineering operation safety, and the staff needs to closely observe whether the rope head has sliding signs during the inspection, and if there are, the staff needs to handle in a timely manner, otherwise, a major accident may be caused. However, in order to prevent dust and protect the equipment, the hoist is entirely closed by a cover, so that the staff cannot observe the rope head fixing condition in a timely manner, and the staff cannot easily find that the rope head slightly slides in some areas with dim light, and there is a safety hazard, and the hoist of the factory and mine enterprise also has similar problems when the steel wire rope tail end is fixed on the winding drum by the pressing plate, and it is urgent for the technical personnel in the field to design a rope head sliding warning device for fixing the steel wire rope tail end by the pressing plate. SUMMARY

[0003] The application aims to solve the problem of a rope head sliding warning device for fixing the steel wire rope tail end by the pressing plate, which is reminded that the staff needs to take measures immediately to avoid the rope head from sliding off and causing a major accident, and the safety of the equipment and the engineering is guaranteed.

[0004] In order to solve the above problems, the application provides a rope head sliding warning device for fixing the steel wire rope tail end by the pressing plate, which comprises an audible and visual warning assembly, an elastic contact assembly and a top pressure switch assembly, the audible and visual warning assembly is arranged on the upper end of the elastic contact assembly and is connected in a rotary separation mode, the top pressure switch assembly is movably inserted into the inner end of the elastic contact assembly through the socket on the elastic contact assembly, the elastic contact assembly is fixed on the rope head of the steel wire rope through buckling, and the other end of the pull-down switch assembly is arranged at the edge of the winding drum pressing plate.

[0005] The top pressure switch assembly comprises a bottom cover, a threaded top pressure rod, an upper locking nut, a limiting spring, a lower locking nut and an adjusting pressure sleeve.

[0006] As preferably, the sound and light warning assembly comprises a sound and light shell, a sound and light inner shell, an LED bulb, a sound module, a loudspeaker and a circular partition, the sound and light shell is fixedly provided with the sound and light inner shell at the inner edge, the sound and light shell and the sound and light inner shell are both provided with a bulb mounting hole at the upper end, the LED bulb is arranged in the bulb mounting hole, the sound and light inner shell is provided with a threaded groove at the inner side of the lower end, the sound and light inner shell is provided with the circular partition at the inner end, the sound module and the loudspeaker are fixed above the circular partition, the diameter of the circular partition is smaller than that of the sound and light inner shell by 0.5-1 mm, and the circular partition is provided with one square orifice at the edge.

[0007] As preferably, the elastic contact assembly comprises a contact shell, a contact inner shell and a normally open elastic round sheet contact spring, the contact shell is fixedly provided with the contact inner shell at the inner edge, the contact inner shell is provided with a threaded convex part at the upper end on both sides, the threaded groove is in rotational separation connection with the threaded convex part, the threaded outer root of the threaded convex part is sleeved with a waterproof O-shaped sealing ring, and the contact inner shell is provided with at least one group of mirror image arranged normally open elastic round sheet contact springs at the inner end.

[0008] As preferably, the contact inner shell is fixedly installed with a button cell compartment at the upper end, one end of the button cell compartment is provided with a plug, the button cell compartment, the plug, the sound module and the normally open elastic round sheet contact are connected in series through wires to form a loop 1, the loudspeaker is connected in parallel with the sound module through wires to form a loop 2, the LED bulb is connected in parallel with the loudspeaker through wires to form a loop 3, and the loop 1, the loop 2 and the loop 3 are combined and connected in parallel to form a parallel loop.

[0009] As preferably, the inner side of the bottom cover is provided with a threaded structure around the periphery, the bottom cover is provided with a through hole in the middle, and the through hole is provided with a guide seat around the inner periphery.

[0010] As preferably, the normally open elastic round sheet contact spring is integrally formed by tin-phosphor bronze casting.

[0011] As preferably, the sound and light shell and the clamping shell and the bottom cover are all made of stainless steel material, and the sound and light inner shell, the contact inner shell and the bottom cover are all integrally formed by injection molding of insulating material.

[0012] As preferably, the threaded top pressure rod is provided with a flat head structure at the upper and lower ends and is provided with an external body thread.

[0013] As preferably, the buckle is in the form of a clamp.

[0014] As preferably, the upper locking nut and the lower locking nut are made of insulating material, have hexagonal shape, are flat on the upper and lower sides, and have inner threads in the middle holes, which are matched with the threaded top pressing rod.

[0015] As preferably, the limiting spring is made of 304 stainless steel material and has a diameter matched with the threaded top pressing rod.

[0016] As preferably, the upper end of the adjusting pressure sleeve is flat, the middle hole has an inner thread matched with the threaded top pressing rod, and the lower end has a flat head.

[0017] The above structure has the following beneficial effects:

[0018] The top pressing switch assembly is movably inserted into the inner end of the elastic contact assembly through the socket on the elastic contact assembly, the other end of the pull-down switch assembly is fixed on the rope head of the steel wire rope and close to the edge of the roller pressing plate, the rope head drives the pull-down switch assembly to slide to make the roller pressing plate press the elastic contact assembly, when the rope head slides along the circumference of the roller due to the failure of fixation, the top pressing switch assembly is driven to slide along the circumference by the rope head, so that the top pressing switch assembly touches the roller pressing plate, the roller pressing plate presses the lower end of the adjusting pressure sleeve, the threaded top pressing rod moves inward along the bottom cover guide seat, and the normally open elastic disc lower contact is lifted, so as to remind the staff to take measures immediately to avoid the rope head from slipping off and causing a major accident, and the safety of the equipment and the project is ensured.

[0019] The sound and light warning assembly is connected with the elastic contact assembly in a rotary separation mode, the threaded convex parts are arranged on the two sides of the upper end of the contact inner shell, the threaded recesses are arranged on the inner side of the lower end of the sound and light inner shell of the sound and light warning assembly, the threaded recesses are connected with the threaded convex parts on the two sides of the upper end of the contact inner shell of the elastic contact assembly in a rotary separation mode, the connection between the sound and light warning assembly and the elastic contact assembly can be effectively ensured, the installation and dismounting are facilitated, the elastic contact assembly is fixed on the main rope of the steel wire rope through the buckle of the elastic contact assembly shell, and the fixing is excellent. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The structure schematic view of the rope head sliding warning device for fixing the tail end of the steel wire rope by the pressing plate is installed on the tail end of the steel wire rope.

[0021] Figure 2 The structure schematic view of the rope head sliding warning device for fixing the tail end of the steel wire rope by the pressing plate is installed on the tail end of the steel wire rope from another angle.

[0022] Figure 3 The Figure 1 The local enlarged view of A-A.

[0023] Figure 4The internal structure diagram of the rope head sliding warning device for fixing the tail end of the steel wire rope of the pressing plate.

[0024] Figure 5 The circuit control diagram of the rope head sliding warning device for fixing the tail end of the steel wire rope of the pressing plate

[0025] In the figure: 1-a sound and light warning assembly, 101-a sound and light shell, 102-a sound and light inner shell, 103-a LED bulb, 104-a sound module, 105-a loudspeaker, 106-a round partition, 107-a threaded groove, 2-a elastic contact assembly, 201-a contact shell, 202-a contact inner shell, 203-a button cell compartment, 204-a plug, 205-a normally open elastic round sheet contact spring, 206-a threaded convex part, 207-a waterproof O-shaped sealing ring, 3-a top pressure switch assembly, 301-a bottom cover, 302-a threaded top pressure rod, 303-an upper locking nut, 304-a limiting spring, 305-a lower locking nut, 306-an adjusting pressure sleeve, 4-a buckle, 5-a steel wire rope head, 6-a roller pressing plate. DETAILED DESCRIPTION

[0026] The application will be further explained in conjunction with the accompanying drawings and examples.

[0027] As shown in Figure 1 , 2 , 3, the steel wire rope is wound on the roller and fixed by the roller pressing plate 6, and the rope head sliding warning device for fixing the tail end of the steel wire rope is fixed to the steel wire rope head 5 by the contact shell 201 of the elastic contact assembly 2.

[0028] As shown in Figure 4 , the rope head sliding warning device for fixing the tail end of the steel wire rope includes a sound and light warning assembly 1, an elastic contact assembly 2, and a top pressure switch assembly 3, the sound and light warning assembly 1 is arranged on the upper end of the elastic contact assembly 2 and connected in a rotary separation mode, the top pressure switch assembly 3 is movably inserted into the inner end of the elastic contact assembly 2 through the socket on the elastic contact assembly 2, the elastic contact assembly 2 is fixed to the steel wire rope head 5 by the buckle 4, the other end of the top pressure switch assembly 3 is arranged on the edge of the roller pressing plate 6, the rope head sliding drives the top pressure switch assembly 3 to slide, so that the roller pressing plate presses the elastic contact assembly 2, when installing, the threaded top pressure rod 302 of the top pressure switch assembly 3 is inserted through the through hole of the bottom cover 301, the upper locking nut 305 is installed on the upper end of the threaded top pressure rod 302, the distance between the upper end of the threaded top pressure rod 302 and the normally open elastic round sheet contact spring 205 of the elastic contact assembly 2 is adjusted, then the upper locking nut 305 is screwed to the upper surface of the bottom cover guide seat, and the threaded top pressure rod 302 is locked, the limiting spring 304 is sleeved on the lower end of the threaded top pressure rod outside the bottom cover, the lower locking nut 305 and the adjusting pressure sleeve 306 are installed.

[0029] The top pressing switch assembly 3 comprises a bottom cover 301, a threaded top pressing rod 302, an upper locking nut 303, a limiting spring 304, a lower locking nut 305 and an adjusting pressing sleeve 306; the bottom cover 301 is provided with a socket 305 at the bottom, the threaded top pressing rod 302 is inserted into the socket 305 and extends upward into the elastic contact assembly 2, the part of the threaded top pressing rod 302 extending into the elastic contact assembly 2 is fixedly sleeved with the upper locking nut 303, the threaded top pressing rod 302 is sleeved with the limiting spring 304 and the lower locking nut 305 in sequence at the other end of the bottom cover 301, and the bottom end of the threaded top pressing rod 302 is fixedly sleeved into the adjusting pressing sleeve 306;

[0030] The sound and light warning assembly 1 comprises a sound and light shell 101, a sound and light inner shell 102, an LED bulb 103, a sound module 104, a loudspeaker 105 and a circular partition plate 106; the sound and light inner shell 102 is fixedly arranged on the inner edge of the sound and light shell 101; the sound and light shell 101 and the sound and light inner shell 102 are both provided with a bulb mounting hole at the upper end; the LED bulb 103 is arranged in the bulb mounting hole; the sound and light inner shell 102 is provided with a threaded groove 107 at the inner side of the lower end; the circular partition plate 106 is arranged at the inner end of the sound and light inner shell 102; the sound module 104 and the loudspeaker 105 are fixed above the circular partition plate 106; the diameter of the circular partition plate 106 is 0.5-1mm smaller than that of the sound and light inner shell 102; and the circular partition plate 106 is provided with a square orifice at the edge.

[0031] The elastic contact assembly comprises a contact shell 201, a contact inner shell 202 and a normally open elastic circular sheet contact spring 205; the contact inner shell 202 is fixedly arranged on the inner edge of the contact shell 201; the contact inner shell 202 is provided with a threaded convex part 206 at the upper end of two sides; the threaded groove 107 is in rotational separation connection with the threaded convex part 206; the threaded convex part 206 is sleeved with a waterproof O-shaped sealing ring 207 at the outer root; the sound and light warning assembly is in rotational separation connection with the elastic contact assembly 2; the contact inner shell is provided with a threaded convex part at the upper end of two sides; the sound and light inner shell of the sound and light warning assembly is provided with a threaded groove at the inner side of the lower end; the threaded groove is in rotational separation connection with the threaded convex part of the contact inner shell of the elastic contact assembly at the upper end of two sides; the connection between the sound and light warning assembly and the elastic contact assembly can effectively ensure the fixing property, and is convenient for installation and dismounting; the buckle of the elastic contact assembly shell is fixed on the main rope of the steel wire rope, and the fixing property is excellent.

[0032] The inner end of the contact inner shell 202 is provided with at least one set of normally open elastic round sheet contact springs 205 arranged in mirror image; the other end of the pull-down switch assembly 3 is fixed on the wire rope head 5 and close to the edge of the roller pressing plate 6, the rope head sliding drives the pull-down switch assembly 3 to slide to make the roller pressing plate press the elastic contact assembly 2, when the rope head generates circumferential sliding along the surface of the roller due to fixing failure, the pull-down switch assembly 3 is driven to slide circumferentially by the rope head, so that the pull-down switch assembly collides with the roller pressing plate, the roller pressing plate presses the lower end of the adjusting pressing sleeve, the threaded pressing rod is driven to move inward along the bottom cover guide seat, the normally open elastic round sheet lower contact is lifted, so as to remind the staff to take measures immediately to avoid the rope head slipping off to cause a major accident and ensure the safety of equipment and engineering;

[0033] The upper end of the contact inner shell 202 is fixedly provided with a button cell compartment 203, one end of the button cell compartment 203 is provided with a plug 204, the button cell compartment 203 is connected with the plug 204, the sound module 104 and the normally open elastic round sheet contact 205 in series through wires to form a loop 1, the loudspeaker 105 is connected with the sound module 104 in parallel through wires to form a loop 2, and the LED bulb 103 is connected with the loudspeaker 105 in parallel through wires to form a loop 3; the loop 1, the loop 2 and the loop 3 are connected in parallel.

[0034] The inner side of the bottom cover 301 is provided with a threaded structure, the middle of the bottom cover 301 is provided with a through hole, and the inner side of the through hole is provided with a guide seat;

[0035] The normally open elastic round sheet contact spring 205 is integrally formed by tin phosphor bronze casting; the sound and light shell 101, the clamping shell 201 and the bottom cover 301 are all made of stainless steel, and the sound and light inner shell 102, the contact inner shell 202 and the bottom cover 301 are all integrally formed by injection molding of insulating materials.

[0036] In order to facilitate the understanding of the above technical solutions of the present application, the above technical solutions of the present application will be described in detail through specific use modes.

[0037] The specific working process is that the LED bulb 103 is exposed and installed on the top of the sound-light warning assembly 1 from the inside top of the sound-light inner shell 102, and the circular partition plate 106 with a diameter smaller than the diameter of the sound-light inner shell 102 by 1 mm is below the bulb, the sound module 104 and the loudspeaker 105 are fixed above the circular partition plate 106, and the circular partition plate 106 has a square orifice at the edge. The contact inner shell 202 of the elastic contact assembly 2 has a pair of symmetrical normally open elastic circular contact springs 205 arranged inside the top, the top outer side of the contact inner shell 202 has a button cell compartment 203, the plug 204 passes through the square orifice at the edge of the circular partition plate 106, and the button cell is connected with the sound module 104, the loudspeaker 105 and the LED bulb 103 of the sound-light warning assembly, and together with the normally open elastic circular contact spring 205 forms a loop, the sound-light warning assembly 1 and the elastic contact assembly 2 are threadedly connected and combined into one, the bottom cover 301 is threadedly connected with the lower end of the elastic contact assembly 2, is fixed on the rope head 5 of the steel wire rope through the buckle 4 of the contact outer shell 201 of the elastic contact assembly, and the lower end plane of the adjusting pressure sleeve is adjusted to the edge of the first pressure plate of the roller. The adjusting pressure sleeve is fixed by the lower locking nut, when the rope head slips due to fixing failure, the roller pressure plate presses the lower end of the adjusting pressure sleeve, the screw thread pressure rod is pushed to move upward, the two normally open elastic circular contacts are pushed together, the loop is connected, the bulb emits light warning, the loudspeaker emits sound warning, and the staff is reminded to take measures immediately. The warning device fixed on the rope head has a certain hindering effect on the rope head slipping from the pressure plate.

[0038] When the rope head slips along the circumference of the roller surface due to fixing failure, the roller pressure plate 6 presses the lower end of the adjusting pressure sleeve 306, the screw thread pressure rod 302 is pushed to move inward along the guide seat of the bottom cover 301, the contact of the normally open elastic circular contact spring 205 is lifted, the contact is blocked by the contact inner shell 202 of the elastic contact assembly and remains in the original position, the upper and lower contacts of the normally open elastic circular contact spring 205 are closed, the button cell compartment 203, the plug 204, the sound module 104 and the normally open elastic circular contact spring 205 are connected in series through the wire, the loop is connected, the loudspeaker connected in parallel with the sound module 104 through the wire immediately emits a warning sound, reminding the staff to take measures immediately to avoid the rope head slipping and causing a major accident, and ensuring the safety of equipment and engineering. At the same time, the LED bulb 103 connected in parallel with the loudspeaker 105 through the wire immediately emits light warning and prominently displays the fault position.

[0039] In the description of the present application, it should be noted that the terms "upper", "lower", and the like are used for indicating the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements 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. Unless otherwise expressly specified and limited, the terms "mount", "connect", "connection" should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements. 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.

[0040] It should be noted that in the present application, relational terms such as "first" and "second" and the like are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0041] The above is only a specific embodiment of the present application, which enables those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features described herein.

Claims

1. A rope end sliding warning device for securing the end of a steel wire rope to a press plate, characterized by: It includes sound and light warning assembly (1), elastic contact assembly (2) and top pressure switch assembly (3), the sound and light warning assembly (1) is located on the upper end of elastic contact assembly (2) and is connected with it in rotating separation mode, the top pressure switch assembly (3) is movably inserted in the inner end of elastic contact assembly (2) through the socket on it, the elastic contact assembly (2) is fixed on the rope head (5) of steel wire rope through buckle (4), the other end of the top pressure switch assembly (3) is located on the edge of the roller pressure plate (6), the rope head sliding drives the top pressure switch assembly (3) to slide and make the roller pressure plate compresses elastic contact assembly (2); The top pressure switch assembly (3) includes bottom cover (301), threaded top pressure rod (302), upper locking nut (303), limiting spring (304), lower locking nut (305) and adjusting pressure sleeve (306), the bottom cover (301) is provided with socket (305) at the bottom, the threaded top pressure rod (302) is inserted into the socket (305) and extends upward into the elastic contact assembly (2), the part of the threaded top pressure rod (302) extending into the elastic contact assembly (2) is fixedly sleeved with the upper locking nut (303), the threaded top pressure rod (302) is sequentially sleeved with the limiting spring (304) and the lower locking nut (305) on the other end of the bottom cover (301), and the bottom end of the threaded top pressure rod (302) is fixedly sleeved with the adjusting pressure sleeve (306) in. The sound and light warning assembly (1) includes sound and light shell (101), sound and light inner shell (102), LED bulb (103), sound module (104), loudspeaker (105) and circular partition (106), the sound and light inner shell (102) is fixedly arranged on the inner edge of the sound and light shell (101), the sound and light shell (101) and the sound and light inner shell (102) are both provided with bulb mounting hole at the upper end, the LED bulb (103) is arranged in the bulb mounting hole, the sound and light inner shell (102) is provided with threaded groove (107) at the inner side of the lower end, the sound and light inner shell (102) is provided with circular partition (106) at the inner end, the sound module (104) and the loudspeaker (105) are fixed above the circular partition (106), the diameter of the circular partition (106) is smaller than the diameter of the sound and light inner shell (102) by 0.5-1mm, and the circular partition (106) is provided with one square orifice at the edge. The elastic contact assembly includes contact shell (201), contact inner shell (202) and normally open elastic round sheet contact spring (205), the contact inner shell (202) is fixedly arranged on the inner edge of the contact shell (201), the contact inner shell (202) is provided with threaded convex part (206) at both sides of the upper end, the threaded groove (107) is connected with the threaded convex part (206) in rotating separation mode, the threaded convex part (206) is sleeved with waterproof O-shaped sealing ring (207) at the outer root of the thread, and the contact inner shell (202) is provided with at least one group of mirror image arranged normally open elastic round sheet contact spring (205) at the inner end.

2. The rope end chafing slide warning device of claim 1, wherein: The contact inner shell (202) upper end fixedly installs the button cell compartment (203), one end of the button cell compartment (203) is equipped with the plug (204), the button cell compartment (203) is connected with the plug (204), the sound module (104) and the normally open elastic round sheet contact (205) through the electric wire and forms a loop, the loudspeaker (105) is connected with the sound module (104) through the electric wire and forms another loop, the LED bulb (103) is connected with the loudspeaker (105) through the electric wire and forms another loop, and the three loops are combined and connected as a parallel circuit.

3. The rope end chafing slide warning device of claim 1, wherein: The bottom cover (301) inner side periphery is a threaded structure, the bottom cover (301) middle has a through hole, and the through hole inner side periphery has a guide seat.

4. The rope end chafing slide warning device of claim 1, wherein: The normally open elastic round sheet contact spring piece (205) is integrally formed by tin phosphor bronze casting.

5. The rope end chafing slide warning device of claim 1, wherein: The sound and light shell (101) and the clamping shell (201), the bottom cover (301) outside are all stainless steel materials, the sound and light inner shell (102), the contact inner shell (202) and the bottom cover (301) inside are all integrally formed by insulating material injection molding.

6. The rope end chafing slide warning device of claim 1, wherein: The threaded top pressure rod (302) upper and lower ends are flat head type structures, and the outside is a threaded body.

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