阅读说明：本技术 一种防跌落的单绳缠绕式矿井提升机 (Anti-falling single-rope winding type mine hoist ) 是由 刘志伟 兰侦探 刘合胜 王建兴 文家荣 于 2020-12-24 设计创作，主要内容包括：本发明涉及矿井提升设备的技术领域,公开了一种防跌落的单绳缠绕式矿井提升机,包括底板、主电机、卷筒和台座,主转轴中部套设有卷筒,底板上的主电机输出轴上设有主动轮,主动轮与从动轮之间通过传动带传动,卷筒一侧设有限制架,另一侧设有移台,限制架内的卡盘上设有第二定位杆,移台内的连盘上设有第一定位杆；本发明通过限制条一端的自然下坠卡嵌于卡盘侧壁的卡位凸起之间,有效避免卡盘方向回转,避免提升过程中的反转坠落事故,比摩擦力制动效果好,在人和物参与提升操作时避免提升机的跌落,最大程度保证提升时安全。(The invention relates to the technical field of mine hoisting equipment, and discloses a fall-proof single-rope winding type mine hoist which comprises a bottom plate, a main motor, a winding drum and a pedestal, wherein the winding drum is sleeved in the middle of a main rotating shaft, a driving wheel is arranged on an output shaft of the main motor on the bottom plate, the driving wheel and a driven wheel are driven by a transmission belt, a limiting frame is arranged on one side of the winding drum, a moving platform is arranged on the other side of the winding drum, a second positioning rod is arranged on a chuck in the limiting frame, and a first positioning rod is arranged on a connecting; the self-locking type elevator disclosed by the invention has the advantages that the natural falling of one end of the limiting strip is clamped and embedded between the clamping bulges on the side wall of the chuck, the chuck is effectively prevented from rotating in the direction, the reverse falling accident in the lifting process is avoided, the braking effect is better than that of friction force, the falling of a lifter is avoided when people and objects participate in the lifting operation, and the safety in the lifting process is ensured to the maximum extent.)

1. A fall-proof single-rope winding type mine hoist is characterized in that: the winding device comprises a bottom plate, a main motor, winding drums and pedestals, wherein two pedestals are respectively arranged on two sides of the top surface of the bottom plate, a main rotating shaft is arranged between the pedestals, the winding drum is sleeved in the middle of the main rotating shaft, two fixing buckles for fixing winding ropes are arranged on the side wall of each winding drum, the main motor is arranged on the bottom plate, an output shaft of the main motor is provided with a driving wheel, a driven wheel is connected to the main rotating shaft in a key mode, and the driving wheel and the driven wheel are in transmission;

the device comprises a driven wheel, a drum, a sliding plate, a connecting plate, a limiting frame, a groove, a plurality of clamping bulges, a plurality of rotating shafts, a limiting strip, a plurality of clamping strips, a plurality of fixing strips and a plurality of clamping blocks, wherein the sliding plate is arranged on a bottom plate on one side of the driven wheel far away from the drum, the connecting plate is provided with three first positioning rods, one end of each first positioning rod penetrates through the driven wheel and the drum, an axial bearing is arranged between the connecting plate and the moving plate, a chuck is arranged on a main rotating shaft on one side of the drum far away from the driven wheel, the chuck is cylindrical, the, the tip that the pivot was kept away from to the restriction strip extends to between two screens archs, one side that the chuck is close to the reel is equipped with three post groove, the post inslot is equipped with the second locating lever, the tip that the second locating lever is close to the reel is equipped with magnet, the tip that the reel was kept away from to the second locating lever is equipped with compression spring, first locating lever is the ferromagnetism locating lever and adsorbs mutually with the magnet of second locating lever tip.

2. A fall-protection single-rope-wrap mine hoist as claimed in claim 1, characterized in that: the bottom plate is provided with a second motor, an output shaft of the second motor is provided with a lead screw, the lower portion of the moving platform is provided with a sliding block, a sliding cavity is arranged in the sliding plate, the sliding block is arranged in the sliding cavity to slide, and the end portion, far away from the second motor, of the lead screw extends into the sliding cavity and is in threaded connection with the sliding block.

3. A fall-protection single-rope-wrap mine hoist as claimed in claim 2, characterized in that: two pressing rings are sleeved on the first positioning rod.

4. A fall-protection single-rope-wrap mine hoist as claimed in claim 3, characterized in that: and the two pressing rings are clamped on the side wall of the connecting disc.

5. A fall-protection single-rope-wrap mine hoist as claimed in claim 1, characterized in that: the spool is made of a non-ferromagnetic material.

6. A fall protection single rope wrap mine hoist as claimed in claim 5, wherein: the bottom plate is provided with a transmission cover, and the transmission cover covers the driving wheel and the driven wheel simultaneously.

7. A fall-protection single-rope-wrap mine hoist as claimed in claim 1, characterized in that: the length of the limiting strip is larger than the distance between the rotating shaft and the chuck.

8. A fall-protection single-rope-wrap mine hoist as claimed in claim 7, characterized in that: the outer diameter of the first positioning rod is the same as that of the second positioning rod.

9. A fall-protection single-rope-wrap mine hoist as claimed in claim 8, characterized in that: the positions of the three first positioning rods correspond to the positions of the three second positioning rods respectively.

Technical Field

The invention relates to the technical field of mine hoisting equipment, in particular to a fall-proof single-rope winding type mine hoist.

Background

The mine hoist is a hoisting machine which is used for hoisting coal, ore and gangue, lifting personnel, lowering materials, tools, equipment and the like in a shaft and an inclined shaft by using a steel wire rope to drive a hoisting container to run along the shaft or an inclined ramp in mining engineering.

In a mine single-rope lifting system, people who have a person fall can seriously hurt people, the social influence is severe, and the mine single-rope lifting system is a serious malignant casualty accident. Even if the accident of tank falling without passengers or passengers occurs, the damage is serious, the production stop recovery period is long, the economic loss is large, and a serious safety accident is caused. Therefore, in the mine single-rope lifting system, the prevention of the accident of falling from the tank is the prominent key point of safety production supervision.

Chinese patent application No. CN201210584926.0 discloses a single-rope winding type mine hoist, the invention is characterized in that the two sides of the elastic pin coupling are respectively provided with the motor brake and the speed measuring transmission mechanism, the two ends of the winding drum are respectively connected with brake discs, each brake disc is respectively connected with a disc-shaped brake, the safe operation performance is improved, the brake effect is realized through the friction between the brake disc and the brake shoes of the brake disc, and the detection and comparison of the information such as the clearance between the brake disc and the brake disc, the fatigue of the spring, the deflection of the brake disc, the temperature of the brake disc, the pressure of the brake and the like are required through a detection system, the whole system is complex, if there is a data detection error, it will cause the result of the whole system to show a large deviation, the safety of a human body and the safety of materials can be greatly threatened, and in addition, the friction surface fatigue of a friction braking system is easy to occur, so that the braking cannot be performed, and even the high-position reverse falling condition is caused.

Disclosure of Invention

The invention aims to solve the problems that a winding type elevator in the prior art is poor in braking effect and prone to reverse falling.

The technical scheme adopted by the invention is as follows:

the utility model provides a single rope wound form mine winder of dropproof, includes bottom plate, main motor, reel and pedestal, bottom plate top surface both sides respectively are equipped with a pedestal, be equipped with main pivot between the pedestal, main pivot middle part cover is equipped with the reel, be equipped with two fixed knots that are used for fixed winding rope on the reel lateral wall, be equipped with main motor on the bottom plate, be equipped with the action wheel on the output shaft of main motor, key connection has from the driving wheel in the main pivot, the action wheel with from driving wheel between through drive belt transmission.

The device comprises a driven wheel, a drum, a sliding plate, a connecting plate, a limiting frame, a groove, a plurality of clamping bulges, a plurality of rotating shafts, a limiting strip, a plurality of clamping strips, a plurality of fixing strips and a plurality of clamping blocks, wherein the sliding plate is arranged on a bottom plate on one side of the driven wheel far away from the drum, the connecting plate is provided with three first positioning rods, one end of each first positioning rod penetrates through the driven wheel and the drum, an axial bearing is arranged between the connecting plate and the moving plate, a chuck is arranged on a main rotating shaft on one side of the drum far away from the driven wheel, the chuck is cylindrical, the, the tip that the pivot was kept away from to the restriction strip extends to between two screens archs, one side that the chuck is close to the reel is equipped with three post groove, the post inslot is equipped with the second locating lever, the tip that the second locating lever is close to the reel is equipped with magnet, the tip that the reel was kept away from to the second locating lever is equipped with compression spring, first locating lever is the ferromagnetism locating lever and adsorbs mutually with the magnet of second locating lever tip.

As a further scheme of the invention: the bottom plate is provided with a second motor, an output shaft of the second motor is provided with a lead screw, the lower portion of the moving platform is provided with a sliding block, a sliding cavity is arranged in the sliding plate, the sliding block is arranged in the sliding cavity to slide, and the end portion, far away from the second motor, of the lead screw extends into the sliding cavity and is in threaded connection with the sliding block.

As a further scheme of the invention: two pressing rings are sleeved on the first positioning rod.

As a further scheme of the invention: and the two pressing rings are clamped on the side wall of the connecting disc.

As a further scheme of the invention: the spool is made of a non-ferromagnetic material.

As a further scheme of the invention: the bottom plate is provided with a transmission cover, and the transmission cover covers the driving wheel and the driven wheel simultaneously.

As a further scheme of the invention: the length of the limiting strip is larger than the distance between the rotating shaft and the chuck.

As a further scheme of the invention: the outer diameter of the first positioning rod is the same as that of the second positioning rod.

As a further scheme of the invention: the positions of the three first positioning rods correspond to the positions of the three second positioning rods respectively.

The invention has the beneficial effects that:

the falling-proof single-rope winding type mine hoist extends into the winding drum through a second positioning rod in a chuck at the side of the winding drum, the chuck rotates synchronously and in the same direction along with the winding drum when a main motor drives the winding drum to rotate to wind a hoisting rope, the chuck is clamped and embedded between clamping bulges at the side wall of the chuck through natural falling of one end of a limiting strip, the direction turning of the chuck is effectively avoided, the reverse falling accident in the hoisting process is avoided, the chuck is directly and effectively clamped through the limiting strip and a rotating shaft, the braking effect is better than that of friction force, meanwhile, a second motor and a lead screw on a bottom plate drive a moving platform to move on a sliding plate, a first positioning rod on the moving platform is inserted into the winding drum to eject the second positioning rod, at the moment, the winding drum and the chuck rotate asynchronously, the winding drum winds and releases the rope along with the rotating direction of a driven wheel, the switching is, safety during lifting is guaranteed to the maximum extent.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a cross-sectional view taken at a-a of fig. 2 in accordance with the present invention.

Fig. 4 is a cross-sectional view taken at B-B of fig. 2 in accordance with the present invention.

Fig. 5 is a partial schematic view of the invention at C of fig. 3.

Fig. 6 is a partial enlarged view at D of fig. 3 according to the present invention.

In the figure: 1-a main motor; 2-a transmission cover; 3-winding drum; 4-a restraint frame; 41-groove; 5-a bottom plate; 6, a sliding plate; 7-main rotating shaft; 8-moving the platform; 81-a slide block; 82-linked disks; 83-axial bearing; 9-a pedestal; 10-a second motor; 11-a screw rod; 12-a driving wheel; 13-a driven wheel; 14-a transmission belt; 15-a first positioning rod; 151-pressing ring; 16-a second positioning rod; 161-a magnet; 17-a chuck; 171-column groove; 18-a compression spring; 19-a restriction strip; 20-a rotating shaft; 21-position-blocking projection.

Detailed Description

The invention is further described with reference to the following figures and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

It should be understood that the terms first, second, etc. are used merely for distinguishing between descriptions and are not intended to indicate or imply relative importance. Although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present invention.

It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.

It is to be understood that the terms "upper," "vertical," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship that is conventionally used for placing the disclosed articles of manufacture or that is conventionally understood by those skilled in the art, which is intended merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.

In the following description, specific details are provided to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. In other instances, well-known processes, structures and techniques may be shown without unnecessary detail in order to avoid obscuring example embodiments.

Example 1

As shown in fig. 1-6, a fall-proof single-rope winding type mine hoist comprises a bottom plate 5, a main motor 1, a winding drum 3 and pedestals 9, wherein two pedestals 9 are respectively arranged on two sides of the top surface of the bottom plate 5, a main rotating shaft 7 is arranged between the pedestals 9, the winding drum 3 is sleeved in the middle of the main rotating shaft 7, two fixing buckles for fixing a winding rope are arranged on the side wall of the winding drum 3, the main motor 1 is arranged on the bottom plate 5, a driving wheel 12 is arranged on an output shaft of the main motor 1, a driven wheel 13 is connected to the main rotating shaft 7 in a key manner, the driving wheel 12 and the driven wheel 13 are driven by a driving belt 14, the bottom plate 5 is arranged above a lifting channel, the lifting material is lifted by winding the lifting rope through the winding drum 3, the main motor 1 is electrified to drive the driving wheel 12 to rotate, the driven wheel 13 rotates along with the driving wheel 12 to drive the main rotating shaft 7 to rotate, and the main rotating shaft 7 drives the winding drum 3 to rotate.

The movable reel is characterized in that a sliding plate 6 is arranged on a bottom plate 5 on one side, far away from a winding drum 3, of a driven wheel 13, a moving table 8 is movably arranged on the sliding plate 6, the moving table 8 moves left and right relative to the sliding plate 6, a connecting disc 82 is arranged in the middle of the moving table 8, three first positioning rods 15 are arranged on the connecting disc 82, one end of each first positioning rod 15 penetrates through the driven wheel 13 and the winding drum 3, an axial bearing 83 is arranged between the connecting disc 82 and the moving table 8, two pressing rings 151 are sleeved on the first positioning rods 15 and clamped on the side wall of the connecting disc 82, the relative position relation between the first positioning rods 15 and the connecting disc 82 is kept, the connecting disc 82 moves along with the first positioning rods 15, and the axial bearing 83 is arranged between the connecting disc 82 and the moving table 8 to keep the translation process of the moving table 8 and the rotation process of the connecting disc 82 from interfering with each other.

The reel 3 is far away from being equipped with chuck 17 on the main rotating shaft 7 of driven wheel 13 one side, chuck 17 is cylindric, chuck 17 is equipped with restriction frame 4 outward, restriction frame 4 is fixed to be established on bottom plate 5, the inside recess 41 that is equipped with of restriction frame 4, recess 41 opening is towards chuck 17, restriction frame 4 uses arched door form cover on chuck 17 upper portion, be equipped with the protruding 21 of a plurality of screens on the chuck 17 arc lateral wall, the distance between the protruding 21 one side of screens and the chuck 17 is greater than the distance between opposite side and the chuck 17, and every protruding 21 top surface of screens is the slope top surface promptly, and every protruding 21 of screens has arranged the round around chuck 17 with the equidirectional.

Be equipped with two pivot 20 in the recess 41, the cover is equipped with restriction strip 19 on the pivot 20, restriction strip 19 length is greater than the distance between pivot 20 and the chuck 17, pivot 20 runs through the one end of restriction strip 19, and every restriction strip 19 is because the tip self gravity flagging naturally of keeping away from pivot 20, the tip that the pivot 20 was kept away from to restriction strip 19 extends to between two screens arch 21, and when chuck 17 rotated for first direction of rotation with the protruding 21 high of screens to the direction of low part rotation, restriction strip 19 tip was swept on the protruding 21 top inclined plane of every screens in proper order, and when chuck 17 rotated with the opposite direction of first direction of rotation, the tip that the pivot 20 was kept away from to restriction strip 19 propped between two adjacent screens arch 21, and was propped by the high portion of the protruding 21 of a screens, and can not take place relative translation between restriction strip 19 and the pivot 20, and pivot 20 is fixed to be established again in recess 41, the chuck 17 cannot rotate in the second direction at this time.

The chuck 17 is provided with three column grooves 171 at one side close to the winding drum 3, a second positioning rod 16 is arranged in the column groove 171, a magnet 161 is arranged at the end part of the second positioning rod 16 close to the winding drum 3, a compression spring 18 is arranged at the end part of the second positioning rod 16 far away from the winding drum 3, the second positioning rod 16 slides in the column groove 171 against the deformation action of the compression spring 18, the first positioning rod 15 is a ferromagnetic positioning rod and is attracted to the magnet 161 at the end of the second positioning rod 16, the reel 3 is made of non-ferromagnetic material, and the magnet 161 at the end of the second positioning rod 16 is magnetically attracted to the first positioning rod 15 for positioning, so that the end surface of each first positioning rod 15 is correspondingly attached to the end surface of each second positioning rod 16, the outer diameter of the first positioning rod 15 is the same as the outer diameter of the second positioning rod 16, and the positions of the three first positioning rods 15 correspond to the positions of the three second positioning rods 16, respectively.

It is worth noting that, through a plurality of first locating rods 15 simultaneously penetrating through the driven wheel 13 and the winding drum 3, each first locating rod 15 rotates together with the winding drum 3, when a lifting rope is loaded on the winding drum 3, the shearing force applied to a connecting key between the winding drum 3 and the main rotating shaft 7 is extremely small, the lifting capacity under heavy load is enhanced, and the overall stability is improved.

In the working process of the hoist, the second positioning rod 16 in the chuck 17 on the side of the winding drum 3 extends into the winding drum 3 under the action of the compression spring 18, the main motor 1 drives the winding drum 3 to rotate and wind the hoisting rope, the chuck 17 rotates synchronously and in the same direction along with the winding drum 3, the chuck 17, the winding drum 3 and the driven wheel 13 all rotate in the first direction, the natural falling of one end of the limiting strip 19 is clamped between the clamping bulges 21 on the side wall of the chuck 17, the chuck 17 is effectively prevented from rotating in the direction opposite to the first direction, the reverse falling accident in the hoisting process is avoided, the operation moving platform 8 moves on the sliding plate 6, the first positioning rod 15 on the moving platform 8 is inserted into the winding drum 3 to eject the second positioning rod 16 to the winding drum 3, the winding drum 3 and the chuck 17 rotate asynchronously, namely the winding drum 3 can rotate in two different directions without being limited at the moment, the winding drum 3 can wind the rope in different rotating directions under the driving of the main motor 1, the switching is convenient, the falling of the hoister is avoided when people and objects participate in the hoisting operation, and the safety is ensured to the maximum extent during the hoisting.

Example 2

As shown in fig. 1-6, on the basis of the technical solution of embodiment 1, a second motor 10 is disposed on the bottom plate 5, a lead screw 11 is disposed on an output shaft of the second motor 10, a sliding block 81 is disposed on the lower portion of the moving table 8, a sliding cavity is disposed in the sliding plate 6, the sliding block 81 is disposed in the sliding cavity to slide, an end portion of the lead screw 11, which is far away from the second motor 10, extends into the sliding cavity and is in threaded connection with the sliding block 81, the moving table 8 is controlled to translate by the second motor 10, so that the first positioning rod 15 is linearly and stably advanced and retracted, a transmission cover 2 is disposed on the bottom plate 5, and the transmission cover 2 covers the driving wheel 12 and the driven wheel 13 at the same time, thereby preventing the entire elevator from.

The invention extends to the interior of the winding drum through the second positioning rod in the chuck at the side of the winding drum, the chuck synchronously rotates along with the winding drum in the same direction when the main motor drives the winding drum to rotate and wind the lifting rope, the natural falling of one end of the limiting strip is clamped and embedded between the clamping bulges on the side wall of the chuck, the chuck is effectively prevented from rotating in the direction, the reverse falling accident in the lifting process is avoided, the chuck is directly and effectively clamped by the limiting strip and the rotating shaft, the braking effect is better than that of friction force, meanwhile, a second motor and a screw rod on the bottom plate drive the moving platform to move on the sliding plate, and after a first positioning rod on the moving platform is inserted into the winding drum to eject a second positioning rod, at the moment, the winding drum and the chuck rotate asynchronously, the winding drum winds and releases the rope along the rotation direction of the driven wheel, the switching is convenient, the falling of the hoister is avoided when people and objects participate in the hoisting operation, and the safety during hoisting is ensured to the maximum extent.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.