阅读说明：本技术 箕斗箱挂钩监测装置 (Monitoring device for skip box hook ) 是由 马明辉 李红旗 徐伟章 陈德文 范修贞 李晓东 翟永海 李望盛 李东植 王昭雷 于 2019-12-16 设计创作，主要内容包括：本发明公开了箕斗箱挂钩监测装置,涉及矿山开采运输设备技术领域。包括井筒壁上的弹性件触头,弹性件触头电连接于外接控制柜电源的正负极,箕斗箱外壁上的绝缘板上固定有金属板,金属板与弹性件触头一一对应,箕斗箱运行至第一位置时,金属板与弹性件触头弹性相抵,箕斗箱运行至第二位置时,金属板与弹性件触头脱离；箕斗箱上固定有限位开关,限位开关上的两个接线端子各电连接一块金属板,当箕斗箱上的挂钩的第一部分完全插入钩槽时,挂钩的第二部分与限位开关的摇杆接触并使摇杆产生移位,当挂钩的第一部分从钩槽拔出时,挂钩的第二部分与限位开关的摇杆分离且摇杆自动回位。从而解决了现有技术中无法监测箕斗箱的挂钩是否关闭到位的问题。(The invention discloses a skip box hook monitoring device, and relates to the technical field of mining transportation equipment. The electric control device comprises an elastic part contact on the wall of a well bore, wherein the elastic part contact is electrically connected with the positive electrode and the negative electrode of an external control cabinet power supply, a metal plate is fixed on an insulating plate on the outer wall of a skip box, the metal plate and the elastic part contact correspond to each other one by one, when the skip box runs to a first position, the metal plate and the elastic part contact elastically abut against each other, and when the skip box runs to a second position, the metal plate and the elastic part contact are separated; a limit switch is fixed on the skip box, two wiring terminals on the limit switch are respectively electrically connected with a metal plate, when a first part of a hook on the skip box is completely inserted into a hook groove, a second part of the hook is contacted with a rocker of the limit switch and enables the rocker to shift, and when the first part of the hook is extracted from the hook groove, the second part of the hook is separated from the rocker of the limit switch and the rocker automatically returns. Thereby the problem of can't monitor among the prior art skip case whether the couple closes and targets in place is solved.)

1. The utility model provides a skip case couple monitoring devices which characterized in that includes:

the elastic part contacts (2) are fixedly arranged on the well bore wall (1), and the number of the elastic part contacts (2) is at least two and the elastic part contacts are respectively and electrically connected with the anode and the cathode of an external control cabinet power supply;

the skip bucket comprises insulation plates (4) fixedly arranged on the outer wall of a skip bucket (3) and metal plates (5) fixed on the insulation plates (4), wherein the insulation plates (4) completely isolate the metal plates (5) from the skip bucket (3), the number of the metal plates (5) is at least two, and each metal plate (5) corresponds to each elastic piece contact (2) one by one, when the skip bucket (3) runs to a first position, the metal plates (5) elastically abut against the elastic piece contacts (2) and enable the elastic piece contacts (2) to deform, and when the skip bucket (3) runs to a second position, the metal plates (5) are separated from the elastic piece contacts (2) and the elastic piece contacts (2) elastically reset;

the limiting switches (6) are fixed on the skip box (3), and each limiting switch (6) is electrically connected to the two metal plates (5);

the hook (7) on the skip box (3) and the hook groove (8) for the hook (7) to extend into are rotatably connected, when the first part of the hook (7) is completely inserted into the hook groove (8), the second part of the hook (7) is in contact with the rocker (9) of the limit switch (6) and enables the rocker (9) to shift, and when the first part of the hook (7) is pulled out from the inside of the hook groove (8), the second part of the hook (7) is separated from the rocker (9) of the limit switch (6) and the rocker (9) automatically returns.

2. Skip bucket hook monitoring device according to claim 1, characterized in that each of the elastic element contacts (2) comprises a plurality of springs (10) arranged side by side with a gap between two adjacent springs, a bracket (11) fixing one end of each of the springs (10) together, the bracket (11) is fixed on the wellbore wall (1) and the axial direction of the springs (10) is perpendicular to the wellbore wall (1).

3. Skip bucket hook monitoring device according to claim 1, characterized in that the metal plate (5) is a copper plate or a silver plate.

4. Skip bucket hook monitoring device according to claim 3, characterized in that the shape of the metal plate (5) is circular, oval or polygonal.

5. Skip bucket hook monitoring device according to claim 1, characterized in that the insulating plate (4) is a resin plate and the shape of the insulating plate (4) is the same as the shape of the metal plate (5).

6. Skip bucket hook monitoring device according to claim 1, characterized in that the limit switch (6) is of ZXL901 spring bar type, and two terminals inside the limit switch (6) are electrically connected with one metal plate (5) respectively.

7. The skip box hook monitoring device according to claim 1, wherein the second part of the hook (7) is a flat steel (12) fixedly connected to the hook (7), and the contact part of the flat steel (12) and the limit switch (6) is of an arc structure.

8. Skip bucket hook monitoring device according to claim 7, characterized in that the outer surface of the flat steel (12) is provided with a galvanising layer.

9. Skip bucket hook monitoring device according to claim 1, characterized in that the hook (7) and the hook groove (8) are both made of steel.

10. Skip bucket hook monitoring device according to claim 1, characterized in that the corners of the hook (7) are provided with a rounded corner (13) structure.

Technical Field

The invention relates to the technical field of mining transportation equipment, in particular to a skip box hook monitoring device.

Background

With the rapid development of the industry in China, the demand of each large-scale enterprise on energy is increasing, so that the development of exploration and exploitation technologies of mines is accelerated. Accidents often occur in the mining process of mines, and property loss or casualties are caused. Therefore, how to eliminate the potential hazards of mining accidents and control the mining production accidents becomes an important subject of research.

At present, a skip for promoting ore or barren rock carries out reciprocating motion in the pit shaft through pulling of lifting machine wire rope, because the skip is moving and the pit shaft distance is longer, and the unable direct wire connection that uses of switch board and monitoring devices leads to whether the couple of skip closes and targets in place unable monitoring. When the skip box runs in a shaft in a full-load state, if a hook of the skip box is not closed in place, the skip box is opened, loaded ores and waste rocks all fall into a shaft bottom, shaft equipment such as cables, steel beams and tail ropes in the shaft is broken, and serious production stop accidents are caused.

Therefore, how to solve the problem that whether the hook of the skip box can not be monitored to be closed in place in the prior art becomes an important technical problem to be solved by technical personnel in the field.

Disclosure of Invention

The invention aims to provide a skip box hook monitoring device to solve the technical problem that whether a hook of a skip box is closed in place cannot be monitored in the prior art. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides a skip box hook monitoring device which comprises elastic piece contacts fixedly arranged on the wall of a well bore, wherein the number of the elastic piece contacts is at least two, and the elastic piece contacts are respectively and electrically connected with the positive electrode and the negative electrode of an external control cabinet power supply;

the skip bucket comprises an insulating plate fixedly arranged on the outer wall of a skip bucket and metal plates fixed on the insulating plate, wherein the metal plates are completely isolated from the skip bucket by the insulating plate, the number of the metal plates is at least two, each metal plate corresponds to each elastic part contact one by one, when the skip bucket runs to a first position, the metal plates elastically abut against the elastic part contacts and deform the elastic part contacts, and when the skip bucket runs to a second position, the metal plates are separated from the elastic part contacts and the elastic part contacts elastically reset;

the limit switches are fixed on the skip box, and each limit switch is electrically connected with the two metal plates;

the hook is connected to the skip box in a rotating mode and the hook groove is used for the hook to extend into, when the first portion of the hook is completely inserted into the hook groove, the second portion of the hook is in contact with the rocker of the limit switch and enables the rocker to shift, and when the first portion of the hook is pulled out of the hook groove, the second portion of the hook is separated from the rocker of the limit switch and the rocker automatically returns.

On the basis of the technical scheme, the invention can be further improved as follows.

Furthermore, each elastic part contact all includes a plurality of side by side settings and sets up gapped spring, with each between two adjacent the support that the one end of spring is fixed together, the support is fixed on the well bore wall and the axis direction of spring is perpendicular with the well bore wall.

Further, the metal plate is a copper plate or a silver plate.

Further, the shape of the metal plate is circular, oval or polygonal.

Further, the insulating plate is a resin plate and has the same shape as the metal plate.

Furthermore, the limit switch is of a ZXL901 spring rod type, and two wiring terminals inside the limit switch are respectively and electrically connected with one metal plate.

Furthermore, the second part of couple be fixed connection the band steel on the couple, the band steel with limit switch contact's position is the arc structure.

Furthermore, a zinc coating is arranged on the outer surface of the flat steel.

Furthermore, the hook and the hook groove are made of steel.

Furthermore, the corners of the hook are designed into a round corner structure.

The technical scheme provided by the application comprises the following beneficial effects:

according to the technical scheme, the skip box hook monitoring device comprises at least two elastic part contacts fixed on the wall of a shaft, wherein the elastic part contacts are electrically connected to the positive electrode and the negative electrode of an external control cabinet power supply respectively; a limit switch is fixed on the skip box, a metal plate is electrically connected with each of two wiring terminals on the limit switch, when a first part of a hook on the skip box is completely inserted into the hook groove, a second part of the hook is contacted with a rocker of the limit switch and enables the rocker to shift, and when the first part of the hook is pulled out from the hook groove, the second part of the hook is separated from the rocker of the limit switch and automatically returns to the rocker. According to the arrangement, the metal plate and the skip box are completely isolated by the insulating plate, the metal plate and the skip box can be prevented from conducting electricity, when the hook is completely inserted into the hook groove, the second part of the hook is in contact with the rocker of the limit switch and enables the rocker to shift, so that the normally open contact inside the limit switch is closed, when the skip box runs to the first position, the metal plate and the elastic part contact elastically abut against each other, at the moment, the external control cabinet, the elastic part contact, the metal plate and the limit switch form a closed loop, and at the moment, the PLC detects a signal that the hook is completely closed in place; when the hook is completely pulled out of the hook groove or foreign matters are in the hook groove to cause that the hook is not completely inserted into the hook groove, the second part of the hook is not in contact with a rocker of the limit switch or is not in place, so that a normally open contact in the limit switch cannot be closed, even if the metal plate is elastically abutted against the elastic part contact, the external control cabinet, the elastic part contact, the metal plate and the limit switch cannot form a closed loop, and the PLC cannot detect a signal that the hook is completely closed; thereby the problem of can't monitor among the prior art skip case whether the couple closes and targets in place is solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of the whole skip box hook monitoring device in the embodiment of the invention;

FIG. 2 is a schematic view of the contact of the spring element in contact with the metal plate according to the embodiment of the present invention;

FIG. 3 is a partially enlarged schematic structural diagram of a skip box hook monitoring device in an embodiment of the invention;

FIG. 4 is a schematic structural diagram of an electrical connection of the skip box hook monitoring device in the embodiment of the invention.

Reference numerals:

1. a wellbore wall; 2. an elastic member contact; 3. a skip box; 4. an insulating plate; 5. a metal plate; 6. a limit switch; 7. hooking; 8. a hook groove; 9. a rocker; 10. a spring; 11. a support; 12. flat steel; 13. round corners; 14. a relay.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

The purpose of the present embodiment is to provide a skip bucket hook monitoring device, wherein a metal plate is completely isolated from a skip bucket through an insulating plate, so as to prevent the metal plate from being conductive to a skip bucket body, when a hook is completely inserted into a hook slot, a second part of the hook contacts with a rocker of a limit switch and displaces the rocker, so that a normally open contact inside the limit switch is closed, when the skip bucket runs to a first position, the metal plate elastically abuts against an elastic contact, at this time, an external control cabinet, the elastic contact, the metal plate and the limit switch form a closed loop, and at this time, a PLC detects a signal that the hook is completely closed in place; when the hook is completely pulled out of the hook groove or foreign matters are in the hook groove to cause that the hook is not completely inserted into the hook groove, the second part of the hook is not in contact with a rocker of the limit switch or is not in place, so that a normally open contact in the limit switch cannot be closed, even if the metal plate is elastically abutted against the elastic part contact, the external control cabinet, the elastic part contact, the metal plate and the limit switch cannot form a closed loop, and the PLC cannot detect a signal that the hook is completely closed; thereby the problem of can't monitor among the prior art skip case whether the couple closes and targets in place is solved.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the contents of the invention described in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.

Referring to fig. 1 to 4, in the present embodiment, a skip bucket hook monitoring device is provided, where the elastic element contacts 2 are fixed on the wellbore wall 1, the direction in which the elastic element contacts 2 are placed is perpendicular to the wellbore wall 1, the number of the elastic element contacts 2 is at least two, the two elastic element contacts 2 are respectively electrically connected to a relay 14 with a voltage of ± 24V in an external control cabinet, an insulating plate 4 is fixedly connected to an outer wall of the skip bucket 3, the insulating plate 4 is preferably made of a resin plate, because the resin plate has an excellent fire-proof rating, is strong in corrosion resistance, is strong in mechanical performance, can be designed in any shape, has high surface hardness, is ecological and the like, the insulating plate 4 is fixedly connected to a metal plate 5, the metal plate 5 may be a copper plate or a silver plate, and in the present embodiment, the metal plate 5 is preferably made of a copper plate, because the copper, compared with a silver plate with good conductivity, the copper plate has more advantages in yield and price, the insulating plate 4 completely isolates the metal plate 5 from the skip box 3, the number of the metal plates 5 is at least two, each metal plate 5 corresponds to each elastic piece contact 2, when the skip box 3 runs to the first position, the metal plate 5 elastically abuts against the elastic piece contact 2 and deforms the elastic piece contact 2, and when the skip box 3 runs to the second position, the metal plate 5 is separated from the elastic piece contact 2 and the elastic piece contact 2 elastically resets; be fixed with limit switch 6 on skip case 3, a metal sheet 5 is respectively connected to two binding post electricity on the limit switch 6, when the first part of couple 7 on skip case 3 inserted hook groove 8 inside completely, the second part of couple 7 and limit switch 6's rocker 9 contact and make rocker 9 produce the aversion, when the first part of couple 7 was pulled out from hook groove 8 inside, the second part of couple 7 and limit switch 6's rocker 9 separation and rocker 9 automatic return, couple 7 and rather than the quantity of matched with hook groove 8 can be set for according to specific in service behavior, couple 7 and hook groove 8's quantity is all preferred two in this embodiment.

According to the arrangement, the metal plate 5 and the skip box 3 are completely isolated by the insulating plate 4, the metal plate 5 and the skip box 3 can be prevented from being conductive, when the hook 7 is completely inserted into the hook groove 8, the second part of the hook 7 is in contact with the rocker 9 of the limit switch 6 and enables the rocker 9 to shift, so that a normally open contact inside the limit switch 6 is closed, when the skip box 3 runs to the first position, the metal plate 5 elastically abuts against the elastic part contact 2, at the moment, the relay 14, the elastic part contact 2, the metal plate 5 and the limit switch 6 in the external control cabinet form a closed loop, and at the moment, the PLC detects a signal that the hook 7 is completely closed in place; when the hook 7 is completely pulled out of the hook groove 8 or foreign matters are in the hook groove 8 to cause the hook 7 not to be completely inserted into the hook groove 8, the second part of the hook 7 is not in contact with the rocker 9 of the limit switch 6 or is not in place, so that the normally open contact in the limit switch 6 cannot be closed, even if the metal plate 5 is elastically abutted against the elastic part contact 2, the relay 14, the elastic part contact 2, the metal plate 5 and the limit switch 6 in the external control cabinet cannot form a closed loop, and the PLC cannot detect a signal that the hook 7 is completely closed; thereby the problem of can't monitor among the prior art skip case whether the couple closes and targets in place is solved.

As an alternative embodiment, the elastic element contacts 2 are preferably springs 10, the number of the springs 10 in each elastic element contact 2 can be set according to a specific use situation, the number of the springs 10 in each elastic element contact 2 is preferably three in this embodiment, one end of each three spring 10 is vertically fixed on the bracket 11 side by side, a gap is arranged between two adjacent springs 10, the bracket 11 is fixed on the wellbore wall 1, and the arrangement direction of the springs 10 is perpendicular to the wellbore wall 1. So set up, contact with 5 contacts of metal sheet when spring 10, spring 10 can produce elastic deformation when the loading, turn into elastic potential energy mechanical energy, guarantee spring 10 contact and 5 in close contact with of metal sheet, make and switch on well between the two, separate with 5 contacts of metal sheet when spring 10, the deformation of uninstallation back spring 10 disappears and the reconversion, spring contact still has hardness height simultaneously, characteristics such as pliability is good, long-time use wearing and tearing are little, change more than half a year generally once, the maintenance number of times and maintenance that the equipment security personnel that have significantly reduced are also more convenient.

In a more specific embodiment, the shapes of the metal plate 5 and the insulating plate 4 may be set according to the specific use condition, and may be circular, elliptical or polygonal, and in this embodiment, the shapes of both the metal plate 5 and the insulating plate 4 are preferably rectangular.

As an alternative embodiment, the limit switch 6 is preferably of the ZXL901 spring bar type and two terminals inside the limit switch 6 are each electrically connected to one metal plate 5. So set up, the limit switch who adopts the spring bar type can guarantee that it can normal use under adverse circumstances, even also can ensure reliable action under long-term use.

As an alternative embodiment, an arc-shaped galvanized flat steel 12 is welded to the hanger 7. So set up, when couple 7 inserts hook groove 8 inside completely, band steel 12 just in time can touch limit switch 6's rocker 9, the position of band steel 12 and rocker 9 contact is the arc design, can guarantee the even atress at the two contact site, speed when avoiding inserting hook groove 8 because of couple 7 is too fast, band steel 12 on the messenger couple 7 causes the damage to limit switch 6, the surface of band steel 12 has plated the zinc layer, can protect band steel 12 to avoid corroding, prolong band steel 12's life.

In an alternative embodiment, the hook 7 and the hook groove 8 are made of steel. So set up, steel has that intensity is high, toughness and plasticity are good, the material is even, advantages such as operational reliability height, and steel has the weldability moreover, can weld according to site environment's actual need.

As an alternative embodiment, the corners of the hook 7 are provided with a round corner 13 structure. So set up, the design of fillet 13 is favorable to the pressure that receives when 7 corners of homodisperse couple and hook groove 8 are to inserting the assembly, has avoided the couple 7 to pull out with hook groove 8 for a long time and has inserted the corner that makes couple 7 and appear damaged, and the design of fillet 13 also makes the corner of couple 7 become more slick and sly, has reduced the corner and the hook groove 8 production unnecessary collision of couple 7.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.