CN210064874U - Mine hoist - Google Patents
Mine hoist Download PDFInfo
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- CN210064874U CN210064874U CN201920697814.3U CN201920697814U CN210064874U CN 210064874 U CN210064874 U CN 210064874U CN 201920697814 U CN201920697814 U CN 201920697814U CN 210064874 U CN210064874 U CN 210064874U
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Abstract
The utility model discloses a mine winder. Comprises a friction wheel, a main shaft device, a driving device, a braking mechanism and at least one lifting composite belt. At least one limiting groove is formed on the surface of the friction wheel along the circumferential direction, an included angle of 110-140 degrees is formed between two side surfaces of the limiting groove and the bottom surface, and the connecting part of the side surfaces and the bottom surface is in smooth transition; the main shaft device penetrates through the friction wheel and is fixed with the friction wheel; the driving device is connected with the friction wheel to drive the friction wheel to rotate; the braking mechanism is connected with the friction wheel to drive the friction wheel to decelerate or stop rotating; each lifting composite belt comprises a plurality of steel wire ropes or a plurality of high-performance fiber ropes and a polymer composite material, and the plurality of steel wire ropes or the plurality of high-performance fiber ropes are wrapped in the polymer composite material. The elevator can effectively solve the corrosion of the external environment to the steel wire rope, remarkably reduce the diameter of the required single steel wire rope and the friction wheel and the volume and weight of the friction wheel, and remarkably improve the bearing capacity and the lifting efficiency.
Description
Technical Field
The utility model belongs to the mine field particularly, relates to mine winder.
Background
The friction type mine hoisting system generally comprises a hoisting container, a hoisting steel wire rope, a balance steel wire rope, a friction wheel, a guide wheel (or a head sheave), a motor and the like, wherein the working principle of the multi-rope friction type hoisting machine is as follows: the friction transmission principle of the flexible body is adopted, the lifting steel wire rope surrounds the friction wheel, and power is transmitted by using friction between the steel wire rope and the friction liner. The hoisting steel wire rope is placed on the friction wheel, a hoisting container is generally hung at two ends of the hoisting steel wire rope respectively, or one hoisting container is hung at one end of the hoisting steel wire rope, a balance weight is hung at the other end of the hoisting steel wire rope, a balance steel wire rope is also hung at the bottom of the container or the balance weight, and the balance steel wire rope is used for balancing the weight of the hoisting steel wire rope and reducing the power of the motor. When the friction wheel works, the tensioned hoisting steel wire rope is pressed between the friction pads at a certain positive pressure to generate friction force, and under the action of the friction force, the hoisting steel wire rope moves along with the friction wheel, so that the hoisting or the lowering of the container is realized. However, due to the fact that the environment in a shaft is poor, the shaft is wet and drenched, or corrosive water mist such as acid, alkali and salt exists, the corrosion to the steel wire rope is large, the defects of corrosion, deformation, diameter reduction and the like of the steel wire rope are caused frequently, the service life of the steel wire rope is shortened, at present, galvanization corrosion prevention is performed on the surface of the steel wire rope, but the rigidity of the steel wire rope after galvanization is increased, the flexibility is reduced, and the steel wire rope loses the corrosion prevention performance again after a galvanized layer is abraded in the using process; moreover, with the increase of the hoisting height and the increase of the hoisting load, particularly for deep wells and ultra-deep wells, the diameters of the steel wire rope and the friction wheel required by the mine hoist are correspondingly increased, and the weight of the hoisting steel wire rope and the volume and the weight of the friction wheel are also remarkably increased, so that the mine hoist has the problems of self weight, small bearing capacity, low hoisting efficiency, short service life of the steel wire rope, frequent replacement, inconvenience in transportation and installation, high cost and the like.
Therefore, how to reduce the dead weight of the mine hoist and improve the bearing capacity and the hoisting efficiency of the mine hoist still needs to be further researched.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. To this end, it is an object of the present invention to provide a mine hoist. The hoist can effectively solve the corrosion problem of the external environment to the steel wire rope, remarkably reduce the diameter of a single steel wire rope and a friction wheel and the volume and weight of the friction wheel, and remarkably improve the bearing capacity and the hoisting efficiency on the premise of reducing the self weight and the investment cost of the mine hoist, so that the mine hoisting system can safely, stably and efficiently run.
According to an aspect of the utility model, the utility model provides a mine winder. According to the utility model discloses an embodiment, this mine winder includes:
the friction wheel is characterized in that at least one limiting groove is formed in the surface of the friction wheel along the circumferential direction, an included angle of 140 degrees is formed between two side surfaces of the limiting groove and the bottom surface, and the joint of the side surfaces and the bottom surface is in smooth transition;
the main shaft device penetrates through the friction wheel and is fixed with the friction wheel;
the driving device is connected with the friction wheel to drive the friction wheel to rotate;
the brake mechanism is connected with the friction wheel to drive the friction wheel to decelerate or stop rotating;
the lifting composite belt comprises a plurality of steel wire ropes or a plurality of high-performance fiber ropes and a polymer composite material, and the steel wire ropes or the high-performance fiber ropes are wrapped in the polymer composite material.
According to the mine hoist of the above embodiment of the present invention, on one hand, by adopting the hoisting composite belt to replace the existing hoisting steel wire rope, not only can the steel wire rope or the high performance fiber rope inside the hoisting composite belt be prevented from contacting with the external environment, thereby effectively solving the corrosion problem of the external environment such as moisture, water spray or corrosive water mist to the steel wire rope or the high performance fiber rope, but also the polymer composite material on the surface of the hoisting composite belt can improve the friction coefficient of the hoisting composite belt and the friction wheel, and prevent the occurrence of the slipping phenomenon; compared with the method that only the hoisting steel wire rope is used, the diameter of a single steel wire rope or a single high-performance fiber rope and the diameter of a friction wheel matched with the hoisting composite belt can be further reduced by adopting the hoisting composite belt under the condition of the same hoisting height and load, so that the volume, the dead weight and the equipment cost of the friction wheel are obviously reduced; on the other hand, the friction wheel is provided with the limiting groove and the included angle between two side surfaces of the limiting groove and the bottom surface is controlled to be 110-140 degrees, so that the movement direction of the lifting composite belt can be adjusted, the phenomena of deviation and/or collision, overlapping and the like when a plurality of lifting composite belts are used side by side in the use process of the lifting composite belt are effectively avoided, the dead weight of the friction wheel can be further reduced, and the safe, stable and efficient operation of the mine hoist is ensured; in addition, the smooth transition of the connection part of the side surface and the bottom surface of the limiting groove can effectively avoid the phenomenon of stress concentration between the edge of the lifting composite belt and the limiting groove in the lifting operation process, so that the edge of the lifting composite belt is prevented from being damaged. Therefore, the mine hoist can effectively solve the corrosion problem of the external environment to the steel wire rope, remarkably reduce the diameter of the single steel wire rope and the friction wheel and the volume and weight of the friction wheel, remarkably improve the bearing capacity and the hoisting efficiency on the premise of reducing the dead weight and the investment cost of the mine hoist, and ensure that a mine hoisting system can safely, stably and efficiently run.
In addition, the mine hoist according to the above embodiment of the present invention may further have the following additional technical features:
optionally, the limiting grooves comprise 1-8.
Optionally, the number of the limiting grooves is 1, and the width of the bottom surface of the limiting groove is 803 and 3008 mm; or a plurality of limiting grooves are arranged, and the width of the bottom surface of each limiting groove is 103-808 mm.
Optionally, the number of the limiting grooves is 1, and the width of the bottom surface of the limiting groove is 803-1008 mm; or a plurality of limiting grooves are arranged, and the width of the bottom surface of each limiting groove is 203-458 mm.
Optionally, the distance between the central lines of two adjacent limiting grooves is not less than 250 mm.
Optionally, the ratio of the depth of the limiting groove to the thickness of the lifting composite belt is (0.5-1.1): 1, the ratio of the width of the bottom surface of the limiting groove to the width of the lifting composite belt is (1.01-1.06): 1.
optionally, the ratio of the depth of the limiting groove to the thickness of the lifting composite belt is (0.6-1): 1, the ratio of the width of the bottom surface of the limiting groove to the width of the lifting composite belt is (1.01-1.04): 1.
optionally, the width of the bottom surface of the limiting groove is 3-8 mm larger than that of the lifting composite belt.
Optionally, the driving device is a synchronous motor or an asynchronous motor, and the synchronous motor or the asynchronous motor is connected with the friction wheel through a coupler or a speed reducer, or is directly connected with the friction wheel.
Optionally, the brake mechanism comprises a brake, a brake disc, a hydraulic station and a control device, the brake disc being arranged on one or both ends of the friction wheel, the brake being arranged on the brake disc.
Optionally, the diameter of the friction wheel is 2.25-6.5 m, and the width of the friction wheel is 2-6.8 m.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a mine hoist according to an embodiment of the present invention.
Fig. 2 is a schematic view of the internal structure of a lifting composite belt according to an embodiment of the present invention.
Fig. 3 is a schematic partial cross-sectional view of a retaining groove according to an embodiment of the present invention.
Fig. 4 is a schematic cross-sectional view of a lifting composite belt according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
According to an aspect of the utility model, the utility model provides a mine winder. According to an embodiment of the present invention, as shown in fig. 1, fig. 2, and fig. 3, the mine hoist comprises: friction wheel 100, spindle assembly 200, drive assembly 300, brake mechanism 400, and at least one lifting composite belt 500. Wherein, at least one limit groove 110 is formed on the surface of the friction wheel 100 along the circumferential direction, an included angle theta of 110 and 140 degrees is formed between two side surfaces 111 and a bottom surface 112 of the limit groove 110, and the connecting part of the side surfaces 111 and the bottom surface 112 is in smooth transition; the spindle device 200 passes through the friction wheel 100 and the spindle device 200 is fixed with the friction wheel 100; the driving device 300 is connected with the friction wheel 100 to drive the friction wheel 100 to rotate; the braking mechanism 400 is connected with the friction wheel 100 to drive the friction wheel 100 to decelerate or stop rotating; each lifting composite belt 500 includes a plurality of steel wire ropes 510 or a plurality of high-performance fiber ropes 510, and a polymer composite material 520, and the plurality of steel wire ropes 510 or the plurality of high-performance fiber ropes 510 are wrapped in the polymer composite material 520.
According to the mine hoist of the above embodiment of the present invention, on one hand, by adopting the hoisting composite belt 500 to replace the existing hoisting steel wire rope, not only can the steel wire rope or the high performance fiber rope inside the hoisting composite belt be prevented from contacting with the external environment, thereby effectively solving the corrosion problem of the external environment such as moisture, water spray or corrosive water mist to the steel wire rope or the high performance fiber rope, but also the polymer composite material on the surface of the hoisting composite belt can improve the friction coefficient of the hoisting composite belt and the friction wheel, and prevent the occurrence of the slipping phenomenon; compared with the method that only the hoisting steel wire rope is used, the diameter of a single steel wire rope or a single high-performance fiber rope and the diameter of a friction wheel matched with the hoisting composite belt can be further reduced by adopting the hoisting composite belt under the condition of the same hoisting height and load, so that the volume, the dead weight and the equipment cost of the friction wheel are remarkably reduced, for example, the hoisting height is 1950m, and when the load range is 10t, the diameter of the required friction wheel is only 2.8 m; on the other hand, the utility model discloses in through set up spacing recess 110 and control the contained angle theta between two side 111 of spacing recess and bottom surface 112 and be 110 ~ 140 degrees on friction pulley 100, not only can adjust the direction of motion that promotes the composite band, effectively avoid promoting the composite band and take place the off tracking and/or many to promote the composite band and bump, overlap when using side by side in the use, can further reduce the dead weight of friction pulley to ensure the safe, stable and high-efficient operation of mine winder; in addition, by enabling the connecting part of the side surface 111 and the bottom surface 112 of the limiting groove to be in smooth transition, the phenomenon of stress concentration between the edge of the lifting composite belt and the limiting groove in the lifting operation process can be effectively avoided, and therefore the edge of the lifting composite belt is prevented from being damaged. Therefore, the mine hoist can effectively solve the corrosion problem of the external environment to the steel wire rope, remarkably reduce the diameter of the single steel wire rope and the friction wheel and the volume and weight of the friction wheel, remarkably improve the bearing capacity and the hoisting efficiency on the premise of reducing the dead weight and the investment cost of the mine hoist, and ensure that a mine hoisting system can safely, stably and efficiently run.
The mine hoist according to the above-described embodiment of the present invention will be described in detail with reference to fig. 1 to 4.
According to the utility model discloses a specific embodiment, spacing recess 110 can include a plurality ofly (the number of spacing recess is 4 in fig. 1), can make a plurality of compound areas of promotion use side by side from this, for single compound area of promotion, under the same promotion height and load requirement, adopt a plurality of compound areas of promotion use side by side the mode can further reduce with the width and the dead weight of the compound area of spacing recess assorted promotion to more be favorable to installing and using. Preferably, spacing recess 110 can be 1-8, for example can be 1, 2, 3, 4, 5, 6, 7 or 8, preferably spacing recess 110 is even number, the inventor finds that, when spacing recess 110 is more, the number of the compound area of promotion that matches rather than using is also relatively more, though easy to assemble, the installation is with promote the container when fixed the number of times of operation more, it is too loaded down with trivial details to hardly guarantee a plurality of compound areas of promotion and receive the force balance in the use, the utility model discloses in through controlling spacing recess to be 1-8, can further be favorable to mine hoist system's safety, stability and high-efficient operation.
According to another embodiment of the present invention, as shown in fig. 3, the width W of the bottom surface 112 of the limiting groove 110 can be 803 plus 3008mm (single groove) or 103 plus 808mm (multiple grooves), the inventor found that when the width of the friction wheel is fixed, if the bottom surface of the limiting groove is too wide, the width of the lifting composite belt used in matching with the limiting groove is also wider, and the self weight is larger, which is not only unfavorable for mounting the lifting composite belt, but also difficult to ensure the balanced stress of the lifting composite belt in using process, and when the bottom surface of the limiting groove is too narrow, the width of the lifting composite belt used in matching with the limiting groove is also narrower, in order to satisfy the requirements of lifting height and load, more lifting composite belts are needed to be used side by side, which not only affects the operation efficiency of mounting the lifting composite belt and fixing with a lifting container, but also difficult to ensure the balanced stress of a plurality of lifting composite belts in using process, in the utility model, the width of the bottom surface of the limiting groove is controlled to be the width, so that the mine hoisting system can be further operated safely, stably and efficiently; preferably, the width W of the bottom surface 112 of the limiting groove 110 may be 803-1008mm (single groove) or 203-458mm (multiple grooves), which may be more beneficial to the safe, stable and efficient operation of the mine hoisting system. Further, the distance L between the central lines of the two adjacent limiting grooves 110 can be not less than 250mm, so that when the width of the friction wheel is fixed, the number of the limiting grooves and the width of the lifting composite belt matched with the limiting grooves can be further controlled, and the safety, stability and high-efficiency operation of the mine lifting system are facilitated.
According to the utility model discloses a still another embodiment, the ratio of the degree of depth H of spacing recess 110 and the thickness of promoting composite band 500 can be (0.5 ~ 1.1): 1, the ratio of the width W of the bottom surface 112 of the limiting groove 110 to the width of the lifting composite belt 500 can be (1.01-1.06): 1, the utility model discloses in through controlling above-mentioned ratio, not only can effectively adjust the direction of motion that promotes the composite band, make and promote the composite band at spacing recess internalization, avoid promoting the composite band and take place the off tracking and/or many to promote the composite band and bump, overlap phenomenons such as when using side by side, can also further reduce the dead weight of friction pulley to ensure mine winder's safety, stable and high-efficient operation. Preferably, the ratio of the depth H of the limiting groove 110 to the thickness of the lifting composite belt 500 can be (0.6-1): 1, thereby being more beneficial to reducing the maximum diameter of the friction wheel, and further reducing the volume and the self weight of the friction wheel; the ratio of the width W of the bottom surface 112 of the limiting groove 110 to the width of the lifting composite belt 500 may be (1.01-1.04): 1, can further be favorable to adjusting the direction of motion of promoting the composite band from this, avoid promoting the composite band and take place off tracking and/or many to promote the composite band and use when bumping, overlapping etc. phenomenon side by side in the use.
According to the utility model discloses a still another concrete embodiment, the width of spacing recess 110 bottom surface 112 can be than promoting 3 ~ 8mm that the width of compound area 500 is big, can further avoid promoting compound area and take place the off tracking and/or many to promote when compound area is used side by side in the use and bump, phenomenons such as overlap from this, preferably, the cross section that promotes compound area 500 is trapezoidal, when promoting compound area and be located spacing recess, the width that spacing recess is big 3 ~ 8mm than the width that promotes compound area 500 on same radial surface, can more be favorable to adjusting the direction of motion that promotes compound area from this.
According to the utility model discloses a still another embodiment, the utility model discloses well drive arrangement 300's type is not restricted very, and the skilled person in the art can select according to actual need, for example, drive arrangement 300 can be synchronous machine or asynchronous machine, and synchronous machine or asynchronous machine pass through shaft coupling or reduction gear and link to each other with the friction pulley, perhaps directly allies oneself with the friction pulley, can effectively drive the friction pulley from this and rotate, and then through the friction transmission power between friction pulley and the compound area of promotion.
According to another embodiment of the present invention, the type of the middle brake mechanism 400 is not particularly limited, and can be selected by those skilled in the art according to actual needs, for example, the brake mechanism 400 can include a brake, a brake disc, a hydraulic station and a control device, the brake disc can be disposed on one end or both ends of the friction wheel 100, the brake can be disposed on the brake disc, and optionally, the brake can be a plurality of disc brakes, so as to effectively drive the friction wheel to decelerate or stop rotating.
According to the utility model discloses a still another concrete embodiment, the utility model discloses well friction wheel 100's diameter and width are not restricted very, and the technical personnel in the field can select friction wheel 100's diameter and width according to actual operating environment such as the nature of lifting height, promotion container dead weight, load demand and promotion composite band, and wherein, friction wheel 100's diameter can be 2.25 ~ 6.5m, and axial width can be for 2 ~ 6.8m, can make from this and promote height and reach 800 ~ 3000m, and the load scope reaches 10 ~ 65 t.
According to the utility model discloses a still another concrete embodiment, promote composite belt 500's cross section can be trapezoidal, trapezoidal base angle β of going to the bottom can be for 30 ~ 70 degrees, it is close to spacing recess to make trapezoidal upper base place face in the use, make the face of going to the bottom keep away from the direction groove and use, can more be favorable to from this adjusting the direction of motion who promotes composite belt through spacing recess on the friction pulley, avoid the mine to promote composite belt off tracking or many to promote composite belt and bump when using side by side in the use, phenomenons such as overlap, thereby ensure friction formula mine lift system's safety, stability and high-efficient operation.
According to the utility model discloses a still another concrete embodiment, promote composite band 500 and can further include location steel wire 530, location steel wire 530 transversely links to each other with many wire rope 510 or many high performance fiber rope 510, transversely fix many wire rope or many high performance fiber rope through adopting the location steel wire, can further improve the homogeneity that wire rope or many high performance fiber rope distribute in promoting composite band, the atress that makes the promotion composite band is more even, thereby showing fastness and the stability that improves the promotion composite band.
The invention will now be described with reference to specific examples, which are intended to be illustrative only and not to be limiting in any way.
Example 1
The lifting height is 1950m, the self weight of the lifting container is 30t, and the normal load is 10 t. The mine hoisting machine is provided with 6 limiting grooves and 6 hoisting composite belts, an included angle of 110 degrees is formed between two side surfaces of each limiting groove and the bottom surface, the width of the bottom surface of each limiting groove is 233mm, the depth of each limiting groove is 28mm, the section size of each hoisting composite belt is 230mm multiplied by 28mm (width multiplied by thickness), the diameter of a single steel wire rope in each hoisting composite belt is 20mm, the diameter of a friction wheel of the mine hoisting machine is 2.8m, the width of each friction wheel is 3.0m, and the phenomenon of deviation of the hoisting composite belts does not occur in the hoisting process.
Example 2
The lifting height is 1950m, the self weight of the lifting container is 30t, and the normal load is 10 t. The mine hoisting machine is provided with 6 limiting grooves and 6 hoisting composite belts, an included angle of 110 degrees is formed between two side surfaces of each limiting groove and the bottom surface, the width of the bottom surface of each limiting groove is 203mm, the depth of each limiting groove is 24mm, the section size of each hoisting composite belt is 200mm multiplied by 24mm (width multiplied by thickness), the diameter of a single high-performance fiber rope in each hoisting composite belt is 16mm, the diameter of a friction wheel of the mine hoisting machine is 2.25m, the width of each friction wheel is 2.8m, and the phenomenon of deviation of the hoisting composite belts in the hoisting process is avoided.
Comparative example 1
The lifting height is 1950m, the self weight of the lifting container is 30t, and the normal load is 10 t. A mine hoist with 6 steel wire ropes is adopted, the diameter of a single steel wire rope is 58mm, the diameter of a friction wheel of the mine hoist is 6m, and the width of the friction wheel is 3.0 m.
And (4) conclusion: the lifting composite belts are adopted to replace steel wire ropes, the limiting grooves are formed in the friction wheels, and the plurality of lifting composite belts move in the corresponding limiting grooves, so that the phenomenon of deviation cannot occur; and under the same lifting condition, the diameter of a single steel wire rope required by the hoister and the diameter of the corresponding friction wheel can be obviously reduced by replacing the lifting steel wire rope with the lifting composite belt, so that the self weight and the volume of the hoister are reduced, and the installation of the hoister is facilitated and the lifting efficiency is further improved.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "top", "bottom", "axial", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of the description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are intended to be inclusive and mean that, for example, they may be fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (11)
1. A mine hoist, comprising:
the friction wheel is characterized in that at least one limiting groove is formed in the surface of the friction wheel along the circumferential direction, an included angle of 140 degrees is formed between two side surfaces of the limiting groove and the bottom surface, and the joint of the side surfaces and the bottom surface is in smooth transition;
the main shaft device penetrates through the friction wheel and is fixed with the friction wheel;
the driving device is connected with the friction wheel to drive the friction wheel to rotate;
the brake mechanism is connected with the friction wheel to drive the friction wheel to decelerate or stop rotating;
the lifting composite belt comprises a plurality of steel wire ropes or a plurality of high-performance fiber ropes and a polymer composite material, and the steel wire ropes or the high-performance fiber ropes are wrapped in the polymer composite material.
2. The mine hoist of claim 1, wherein the limit recess comprises 1-8.
3. The mine hoist as claimed in claim 1 or 2, characterized in that the number of the limiting grooves is 1, and the width of the bottom surface of the limiting groove is 803-3008 mm; or a plurality of limiting grooves are arranged, and the width of the bottom surface of each limiting groove is 103-808 mm.
4. The mine hoist as claimed in claim 3, characterized in that the number of the limiting grooves is 1, and the width of the bottom surface of the limiting groove is 803-1008 mm; or a plurality of limiting grooves are arranged, and the width of the bottom surface of each limiting groove is 203-458 mm.
5. The mine hoist of claim 4, wherein the distance between the centerlines of two adjacent stop recesses is no less than 250 mm.
6. The mine hoist of claim 1 or 5, wherein the ratio of the depth of the limiting groove to the thickness of the hoisting composite belt is (0.5-1.1): 1, the ratio of the width of the bottom surface of the limiting groove to the width of the lifting composite belt is (1.01-1.06): 1.
7. the mine hoist of claim 6, wherein the ratio of the depth of the limiting groove to the thickness of the hoisting composite belt is (0.6-1): 1, the ratio of the width of the bottom surface of the limiting groove to the width of the lifting composite belt is (1.01-1.04): 1.
8. the mine hoist of claim 7, wherein the width of the bottom surface of the limiting groove is 3-8 mm greater than the width of the lifting composite belt.
9. The mine hoist as claimed in claim 1 or 8, characterized in that the drive is a synchronous motor or an asynchronous motor, which is connected to the friction wheel via a coupling or a reduction gear, or is coupled directly to the friction wheel.
10. The mine hoist of claim 9, wherein the braking mechanism includes a brake, a brake disc disposed on one or both ends of the friction wheel, a hydraulic station, and a control device, the brake being disposed on the brake disc.
11. The mine hoist as claimed in claim 1 or 10, characterized in that the friction wheel has a diameter of 2.25-6.5 m and a width of 2-6.8 m.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920697814.3U CN210064874U (en) | 2019-05-15 | 2019-05-15 | Mine hoist |
| EP20174306.9A EP3738915B1 (en) | 2019-05-15 | 2020-05-13 | Koepe hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920697814.3U CN210064874U (en) | 2019-05-15 | 2019-05-15 | Mine hoist |
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| Publication Number | Publication Date |
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| CN210064874U true CN210064874U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920697814.3U Active CN210064874U (en) | 2019-05-15 | 2019-05-15 | Mine hoist |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110077944A (en) * | 2019-05-15 | 2019-08-02 | 中国恩菲工程技术有限公司 | Mine hoist |
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2019
- 2019-05-15 CN CN201920697814.3U patent/CN210064874U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110077944A (en) * | 2019-05-15 | 2019-08-02 | 中国恩菲工程技术有限公司 | Mine hoist |
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