CN211318289U - Steel wire rope on-line monitoring device for resistance-type crane - Google Patents

Abstract

The utility model discloses a wire rope on-line monitoring device for resistance-type hoist, the outer end of its contact pincers be equipped with the opening type cutting ferrule of wire rope looks adaptation, the contact pincers are equipped with the contact pincers insulating pad that is used for realizing both insulation with the junction of mounting bracket, power module drive resistance bridge measuring module passes through connecting wire and contact pincers and measures the resistance value of wire rope section between the upper and lower both sides contact pincers in the monitoring box, one side of monitoring box is equipped with the antenna, data processing and wireless transmitting module in through the monitoring box in with detection data in time send to high in the clouds or corresponding terminal in order to realize real-time supervision. The utility model has the advantages of simple structure and reasonable design, have low cost, measurement accuracy is higher and can realize advantages such as on-line measuring.

Description

Steel wire rope on-line monitoring device for resistance-type crane

Technical Field

The utility model belongs to the technical field of wire rope on-line measuring device, concretely relates to wire rope on-line monitoring device for resistance-type crane.

Background

The monitoring of the steel wire rope requires that the state characteristics of the steel wire rope are measured by applying a certain detection technology and an analysis method under the condition of not damaging the use state of the steel wire rope, and the measured state characteristics are transmitted to a monitoring terminal in real time, so that production enterprises or maintenance departments can conveniently arrange production and timely maintenance reasonably, and safety accidents or accidental production stop caused by breakage and failure of the steel wire rope can be prevented. Cranes (mainly non-mobile cranes such as bridge cranes and beam cranes) are one of the most common handling equipment in industrial production, steel wire ropes are one of the main components for carrying heavy objects, and the steel wire ropes are easy to be necked and broken under the working conditions of long-time tension and repeated bending, so that the safety production is threatened. The crane wire rope detection means commonly used in the market at present are mostly manual caliper measurement, magnetic leakage detection and the like, but the manual caliper measurement consumes the human cost and is large, the measurement accuracy is limited, the online measurement cannot be realized, and the equipment price used by the magnetic leakage detection means is high and is not easy to popularize, so that the crane wire rope online monitoring device which is relatively low in cost, high in measurement accuracy and capable of realizing the online measurement is urgently needed.

Disclosure of Invention

The utility model provides a technical problem provide a simple structure, reasonable in design and can realize on-line measuring wire rope on-line monitoring device for resistance-type crane.

The utility model adopts the following technical proposal for solving the technical problems, a steel wire rope on-line monitoring device for a resistance crane, which is characterized by comprising a mounting frame, contact pliers arranged at the upper side and the lower side of the mounting frame and a monitoring box arranged at the middle part of the mounting frame, wherein the outer end of the contact pliers is provided with an opening type cutting sleeve matched with the steel wire rope, the joint of the contact pliers and the mounting frame is provided with a contact pliers insulating pad for realizing the insulation of the contact pliers, the monitoring box is internally provided with a power module, a resistance bridge measuring module, a data processing module and a wireless transmitting module which are connected with each other through a circuit, the monitoring box is provided with cable interfaces respectively connected with a wiring port a and a wiring port b of the resistance bridge measuring module, the cable interfaces are respectively connected with the contact pliers at the upper side and the lower side of the mounting frame through connecting wires, the power module in the monitoring box, one side of the monitoring box is provided with an antenna, and the detection resistance data is timely sent to a cloud end or a corresponding terminal through data processing and a wireless transmitting module in the monitoring box so as to realize real-time monitoring.

Preferably, contact pincers one side is the rectangular plate structure that the cross-section is the T type, and contact pincers opposite side is the V type opening structure that the opening gradually becomes big, and the maximum width of department of opening is greater than the wire rope maximum diameter commonly used in the hoist, and the opening bottom is the fillet structure, and fillet radius and the wire rope minimum radius looks adaptation commonly used in the hoist, rectangular board end is equipped with and is used for realizing contact pincers and the fixed connecting hole of the upper and lower both sides riser installation of mounting bracket.

Preferably, the contact tong insulating pad is a rectangular sheet structure with round corners at two ends, the contact tong insulating pad is made of rubber, a through hole corresponding to the mounting hole at the tail end of the contact tong is formed in the contact tong insulating pad, and the contact tong insulating pad is fixed between the contact tong and the mounting frame vertical plate through an insulating bolt and is used for realizing insulation between the contact tong and the mounting frame.

Preferably, the mounting bracket is integrally of a plate-shaped structure, mounting holes for fixing the mounting bracket and the crane rack are formed in the two ends of the mounting bracket respectively, vertical plates distributed vertically are arranged on one side of the mounting bracket, mounting holes for mounting fixed contact pliers and insulating pads of the contact pliers are formed in the vertical plates, and mounting holes for mounting fixed monitoring boxes and cable clamps are formed in the middle of the mounting bracket.

Preferably, the monitoring box is of a box-shaped structure, a connecting hole matched with the mounting hole in the middle of the mounting frame is formed in the bottom of the monitoring box, and a cable interface matched and connected with a connector at one end of the connecting wire is arranged on the side face of the monitoring box; the connecting wire is fixed in on the mounting bracket through the cable clamp, and this connecting wire one end connects and pegs graft in monitoring box cable interface, and the connecting wire other end is the branching circuit, and the branching circuit is terminal to be connected with the terminal mounting hole of contact pliers through opening nose binding post with the bolt, and the connecting wire of monitoring box both sides all adopts multi-thread core pure copper line and connecting wire branching circuit length to equal.

Preferably, a mounting frame insulating pad is arranged between the mounting frame and the crane frame, the mounting frame insulating pad is identical to the mounting frame in structure, through holes corresponding to the mounting holes in the two ends of the mounting frame are formed in the two ends of the mounting frame insulating pad respectively, and the mounting frame insulating pad is made of rubber materials to ensure insulation between the mounting frame and the crane frame.

Compared with the prior art, the utility model following beneficial effect has: the utility model has the advantages of simple structure and reasonable design, have low cost, measurement accuracy is higher and can realize advantages such as on-line measuring.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a contact clamp according to the present invention;

fig. 3 is a schematic structural diagram of the mounting frame in the present invention;

fig. 4 is a schematic structural diagram of the monitoring box of the present invention;

fig. 5 is a circuit connection diagram of each module in the middle monitoring box of the present invention.

In the figure: the device comprises 1-contact pliers, 2-contact pliers insulation pads, 3-mounting frames, 4-monitoring boxes, 41-power supply modules, 42-resistance bridge measurement modules, 43-data processing and wireless transmission modules, 5-connecting wires and 6-mounting frame insulation pads.

Detailed Description

The technical scheme of the utility model is described in detail with the attached drawings, a steel wire rope on-line monitoring device for a resistance crane comprises a mounting frame 3, contact pliers 1 arranged at the upper and lower sides of the mounting frame 3 and a monitoring box 4 arranged at the middle part of the mounting frame 3, an open type cutting sleeve matched with the steel wire rope is arranged at the outer end of the contact pliers 1, a contact pliers insulating pad 2 for realizing the insulation of the contact pliers 1 and the mounting frame 3 is arranged at the joint of the contact pliers 1 and the mounting frame 3, a power module 41, a resistance bridge measuring module 42 and a data processing and wireless transmitting module 43 which are connected through circuits are arranged inside the monitoring box 4, cable interfaces respectively connected with wiring ports a and b of the resistance bridge measuring module 42 are arranged on the monitoring box 4, the cable interfaces are respectively connected with the contact pliers 1 at the upper and lower sides of the mounting frame 3 through connecting wires 5, the power module 41 in the monitoring box 4 drives the resistance bridge measuring module 42 to measure the resistance value of, one side of the monitoring box 4 is provided with an antenna, and the detection resistance data is sent to a cloud end or a corresponding terminal in time through data processing in the monitoring box 4 and the wireless transmitting module 43 so as to realize real-time monitoring.

One side of the contact pliers 1 is a long strip plate structure with a T-shaped cross section, the other side of the contact pliers 1 is a V-shaped opening structure with gradually-increased openings, the maximum width of the openings is greater than the maximum diameter of a common steel wire rope of a crane, the bottom of the openings is a fillet structure, the fillet radius is slightly greater than the minimum radius of the common steel wire rope of the crane, and the tail end of the long strip plate is provided with a connecting hole for realizing the installation and fixation of vertical plates on the upper side and the lower side of the contact pliers 1 and the; the contact clamp insulating pad 2 is of a rectangular sheet structure with round corners at two ends, the contact clamp insulating pad 2 is made of rubber, a through hole corresponding to a mounting hole at the tail end of the contact clamp 1 is formed in the contact clamp insulating pad 2, and the contact clamp insulating pad 2 is fixedly mounted between the contact clamp 1 and a vertical plate of the mounting frame 3 through an insulating bolt and used for realizing insulation between the contact clamp and the mounting frame; the mounting frame 3 is integrally of a plate-shaped structure, mounting holes for mounting and fixing the mounting frame 3 and a crane frame are respectively formed in two ends of the mounting frame 3, vertical plates which are distributed up and down are arranged on one side of the mounting frame 3, mounting holes for mounting and fixing the contact pliers 1 and the contact pliers insulating pad 2 are formed in the vertical plates, and mounting holes for mounting and fixing the monitoring box 4 and the cable clamp are formed in the middle of the mounting frame 3; the monitoring box 4 is of a box-shaped structure, a connecting hole matched with the mounting hole in the middle of the mounting frame 3 is formed in the bottom of the monitoring box 4, and a cable interface matched and connected with a connector at one end of the connecting wire 5 is formed in the side face of the monitoring box 4; the connecting wire 5 is fixed on the mounting frame through a cable clamp, a joint at one end of the connecting wire 5 is inserted into a cable joint of the monitoring box 4, the other end of the connecting wire 5 is a branched circuit, the tail end of the branched circuit is connected with a mounting hole at the tail end of the contact clamp 1 through an open nose wiring terminal by a bolt, the connecting wires 5 on two sides of the monitoring box 4 are all multi-wire core pure copper wires, and the lengths of the branched circuits of the connecting wire 5 are equal; be equipped with the insulating pad of mounting bracket 6 between mounting bracket 3 and the crane frame, this insulating pad of mounting bracket 6 is the same with the mounting bracket 3 structure and its both ends are equipped with respectively with the corresponding through-hole of 3 both ends mounting holes of mounting bracket, and the insulating pad of mounting bracket 6 adopts the rubber material to insulate between assurance mounting bracket 3 and the crane frame.

The utility model discloses an operation principle does: before the crane (a non-mobile crane such as a bridge crane and the like) works daily or after working for a period of time, the crane trolley needs to be controlled to move to one side provided with the steel wire rope detection device, so that a steel wire rope below the trolley enters an opening at the front end of a contact clamp of the detection device and is reliably contacted with the contact clamp; the power drive resistance bridge measuring module in the detection box measures the resistance value of a steel wire rope section between an upper contact tong and a lower contact tong through a connecting wire and the contact tongs, and the resistance value of a metal wire is in inverse proportion to the cross-sectional area of the metal wire, so that the diameter change condition of the steel wire rope can be obtained through detecting the resistance value change of the steel wire rope with fixed length, the diameter change condition of the steel wire rope is directly reflected whether the steel wire rope has necking or strand breakage defects or not, the detection data can be sent to a cloud end or a corresponding terminal in time through data processing and a wireless transmitting module in the monitoring box, the defects of necking, strand breakage and the like of the steel wire rope can be.

The foregoing shows and describes the general principles of the present invention, with its principal features and advantages, and further, various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. A steel wire rope on-line monitoring device for a resistance crane is characterized by comprising a mounting frame, contact pliers arranged on the upper side and the lower side of the mounting frame and a monitoring box arranged in the middle of the mounting frame, wherein an opening type clamping sleeve matched with a steel wire rope is arranged at the outer end of each contact pliers, a contact pliers insulation pad used for realizing insulation between the contact pliers and the mounting frame is arranged at the joint of each contact pliers and the mounting frame, a power module, a resistance bridge measuring module and a data processing and wireless transmitting module which are connected through a circuit are arranged in the monitoring box, cable interfaces respectively connected with wiring ports a and b of the resistance bridge measuring module are arranged on the monitoring box, the cable interfaces are respectively connected with the contact pliers on the upper side and the lower side of the mounting frame through connecting wires, the power module drives the resistance bridge measuring module to measure the resistance value of a steel wire rope section between the upper contact, the detection resistance data is timely sent to the cloud end or the corresponding terminal through the data processing and wireless transmitting module in the monitoring box so as to realize real-time monitoring.

2. The on-line monitoring device for the steel wire rope of the resistance crane according to claim 1, characterized in that: contact pincers one side is the rectangular plate structure that the cross-section is the T type, and contact pincers opposite side is the V type open structure that the opening gradually becomes big, and the maximum width of department of opening is greater than the wire rope maximum diameter commonly used of hoist, and the opening bottom is the fillet structure, and fillet radius and the wire rope minimum radius looks adaptation commonly used of hoist are equipped with the connecting hole that is used for realizing contact pincers and mounting bracket upper and lower both sides riser installation fixed to rectangular plate end.

3. The on-line monitoring device for the steel wire rope of the resistance crane according to claim 1, characterized in that: the contact pliers insulating pad is a rectangular sheet structure with round corners at two ends, the contact pliers insulating pad is made of rubber, a through hole corresponding to the mounting hole at the tail end of the contact pliers is formed in the contact pliers insulating pad, and the contact pliers insulating pad is fixed between the contact pliers and the mounting frame vertical plate through an insulating bolt and used for achieving insulation between the contact pliers and the mounting frame.

4. The on-line monitoring device for the steel wire rope of the resistance crane according to claim 1, characterized in that: the mounting bracket is integrally of a plate-shaped structure, mounting holes for fixing the mounting bracket and the crane rack are formed in the two ends of the mounting bracket respectively, vertical plates distributed from top to bottom are arranged on one side of the mounting bracket, mounting holes for mounting fixed contact pliers and insulating contact pliers pads are formed in the vertical plates, and mounting holes for mounting fixed monitoring boxes and cable clamps are formed in the middle of the mounting bracket.

5. The on-line monitoring device for the steel wire rope of the resistance crane according to claim 1, characterized in that: the monitoring box is of a box-shaped structure, a connecting hole matched with the mounting hole in the middle of the mounting frame is formed in the bottom of the monitoring box, and a cable interface matched and connected with a connector at one end of the connecting wire is arranged on the side face of the monitoring box; the connecting wire is fixed in on the mounting bracket through the cable clamp, and this connecting wire one end connects and pegs graft in monitoring box cable interface, and the connecting wire other end is the branching circuit, and the branching circuit is terminal to be connected with the terminal mounting hole of contact pliers through opening nose binding post with the bolt, and the connecting wire of monitoring box both sides all adopts multi-thread core pure copper line and connecting wire branching circuit length to equal.

6. The on-line monitoring device for the steel wire rope of the resistance crane according to claim 1, characterized in that: be equipped with the insulating pad of mounting bracket between mounting bracket and the hoist frame, this insulating pad of mounting bracket is the same with the mounting bracket structure and its both ends are equipped with the through-hole that corresponds with mounting bracket both ends mounting hole respectively, and the insulating pad of mounting bracket adopts the rubber material to insulate between assurance mounting bracket and the hoist frame.

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