CN104444737A - Lifting device for mine and pulley fixing device thereof - Google Patents
Lifting device for mine and pulley fixing device thereof Download PDFInfo
- Publication number
- CN104444737A CN104444737A CN201410689782.4A CN201410689782A CN104444737A CN 104444737 A CN104444737 A CN 104444737A CN 201410689782 A CN201410689782 A CN 201410689782A CN 104444737 A CN104444737 A CN 104444737A
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- CN
- China
- Prior art keywords
- pulley
- fixing device
- limit switch
- base
- pulley fixing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B15/00—Main component parts of mining-hoist winding devices
- B66B15/02—Rope or cable carriers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention provides a pulley fixing device. The pulley fixing device comprises a base and pulley clamping lugs which are oppositely fixed to the base, wherein anchoring holes are formed in the base. The pulley fixing device further comprises a pulley which is installed between the two pulley clamping lugs. By the adoption of the device according to which the position of the pulley is fixed relatively, the situations that the device is abraded due to the fact that the pulley moves along with a lifting device and lifting is not stable can be effectively avoided; in addition, compared with an iron pulley lifting device in the prior art, the pulley fixing device has the advantages that the structure is simple, the structural safety is more reliable, and using cost is relatively low. The invention further provides a lifting device for a mine.
Description
Technical field
The present invention relates to coal mine machinery technical field, more particularly, relate to a kind of pulley fixing device, the invention still further relates to a kind of mine lifting appliance with above-mentioned pulley fixing device.
Background technology
Along with the development of Coal Mining Technology is perfect, the New Coal Mine machinery for different geological conditions is also more and more applied.
Coal resource is broadly divided into girdle, medium-thickness seam and high seam by coal seam thickness.At present, the explored girdle recoverable reserves of China is about 61.5 hundred million tons, accounts for 20% of the total coal reserves in the whole nation.Girdle mine has complex geologic conditions mostly, and tomography is many, and pressure is large, and the problems such as mining height is low, and driving surface working space is narrow, affect the exploitation of girdle mine.
For girdle mine, by mine conditionality, when coal-face withdraws equipment, because equipment is more and heavier, cannot realize utilizing hanging device to withdraw work to coal excavation apparatus.In the category of prior art, run into the situation that this coal seam is girdle, when driving surface withdraws equipment, mostly adopt drawing hoist to coordinate the hanging method of iron block to carry out withdrawing of equipment.
But when adopting above-mentioned withdraw way to withdraw equipment; now conventional iron block stretches into ore deposit machine tunnel operation; Randomness of position is larger; easily and the borehole wall or other equipment rub; simultaneously because pulley is arranged in iron block; iron block position is unstable; the lifting rope that pulley is also just difficult to being connected with weight is directed; lifting rope just easily damages pulley; and because iron block cost compare is high; and relatively easy distortion and damaging, and safety factor of taking root corresponding to this equipment is low, can not realize limiting protection.Specifically, exactly after equipment slings arrival desired location, hanging device can carry out shutting down or locate the sequence of operations such as off-load or speed-down action in automatic non-artificial intervention ground limiting protection.
Therefore, how improving the safety in hanging device working process, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of pulley fixing device, to realize improving the safety in hanging device working process.Present invention also offers a kind of mine lifting appliance.
In order to achieve the above object, the invention provides following technical scheme:
A kind of pulley fixing device, base is provided with anchor hole to the pulley ear be fixed on base of establishing to comprise base and two, also comprises the pulley be installed in the middle of two pulley ear.
Preferably, in above-mentioned pulley fixing device, between the side of the non-accommodating pulley of pulley ear and base, be provided with floor.
Preferably, in above-mentioned pulley fixing device, pulley, by being installed on pulley ear through the bearing pin at its center, also sets up the back-up ring and spring cotter that to coordinate with bearing pin for fixed pin shaft.
Preferably, in above-mentioned pulley fixing device, be provided with in anchor hole and run through wherein, the anchor pole fixing to floor installation.
Preferably, in above-mentioned pulley fixing device, floor is provided with the limit switch sling on slideway that spacing probe extend into pulley.
Preferably, in above-mentioned pulley fixing device, floor is provided with the switch fixed orifice installed limit switch locking.
A kind of mine lifting appliance, comprise the winch of lifting rope and folding and unfolding lifting rope, also comprise to lifting rope carry out support guide as the pulley fixing device in above-mentioned any one, the base of pulley fixing device is fixed on the top board of mine, and lifting rope is placed in slinging in slideway of pulley.
Preferably, in above-mentioned mine lifting appliance, the lifting end of lifting rope is provided with the block coordinated with the spacing probe monitors of the limit switch on pulley fixing device.
Preferably, in above-mentioned mine lifting appliance, also comprise the warning device monitoring block alarm at limit switch be electrically connected with limit switch.
Pulley fixing device provided by the invention, base is provided with anchor hole to the pulley ear be fixed on base of establishing to comprise base and two, and pulley fixing device also comprises the pulley be installed in the middle of two pulley ear.This pulley fixing device, the base of anchoring there is the pulley ear of clamping pulley, pulley is directly installed on again in fixing pulley ear, lifting rope is placed in the grooving of pulley, lifting rope is used for connection winch and lifting weight, in the present invention visible, pulley is relatively stable at the fixing upper/lower positions of above-mentioned pulley fixing device, pulley itself and with pulley be arranged on one pulley fixing device can not occur to rub or collide with the borehole wall or other equipment, simultaneously because pulley is installed on fixing base, therefore the directional effect of pulley to hoist cable is better, lifting weight is less likely to occur drives hoist cable to swing, thus the situation of wearing and tearing pulley, therefore the iron block safety durable more that the position adopted in the present invention is compared to existing technology relatively unstable, pulley fixing device provided by the invention is also simple more than iron block of the prior art the complexity of structure simultaneously, and its manufacturing cost is also cheaper accordingly.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the mounting structure schematic diagram of pulley fixing device provided by the invention;
Fig. 2 is the front view under pulley fixing device provided by the invention does not install pulley situation;
Fig. 3 is the birds-eye view under pulley fixing device provided by the invention does not install pulley situation;
Fig. 4 is the left view under pulley fixing device provided by the invention does not install pulley situation;
Fig. 5 is the control circuit figure of limit switch provided by the invention.
In upper figure:
1 be base, 2 be anchor hole, 3 be switch fixed orifice, 4 be bearing pin, 5 be pulley, 6 be floor, 7 be pulley ear, 8 for limit switch; 91,92 and 93 is three control buttons, is respectively: 91 forward startups, 92 reverse startings, 93 stop; 10 is warning device.
Detailed description of the invention
The invention discloses a kind of pulley fixing device, to realize improving the safety in hanging device working process.Present invention also offers a kind of mine lifting appliance.
Below in conjunction with the accompanying drawing of the embodiment of the present invention, carry out clear, complete description to the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, Fig. 1 is the assembly drowing of pulley fixing device provided by the invention; Fig. 2, Fig. 3 and Fig. 4 be respectively pulley fixing device provided by the invention pulley situation is not installed under front view, birds-eye view and left view.
Pulley fixing device provided by the invention comprises base 1 and two, and to the pulley ear 7 be fixed on base 1 of establishing, base 1 is provided with anchor hole 2, and it also comprises the pulley 5 be installed in the middle of two pulley ear 7.Pulley ear 7, for clamping pulley 5, has the mounting hole installing pulley 5 at holding part; Pulley ear 7 is fixed on base 1, and preferred fixed form is welding; Base 1 is provided with anchor hole 2, for skyhook, base 1 is fixed on desired position, such as support or top board, anchor hole 2 is uniformly distributed on base 1, the quantity of anchor hole 2 can lift the demand decision of weight according to reality, preferably arrange the anchor hole 2 of 4 rectangular distributions in the present invention.
Adopt this pulley fixing device, due to base 1 anchoring, pulley 5 is directly installed on again pulley ear 7 fixing on base 1, so pulley 5 position is relatively stable, can not occur to rub or collide with the borehole wall or other equipment, simultaneously because pulley 5 has fixing base 1, therefore the directional effect of pulley 5 pairs of hoist cables is better, lifting weight is less likely to occur drives hoist cable to swing, thus the situation of wearing and tearing pulley 5, and the iron block that prior art adopts stretches into ore deposit machine tunnel operation, Randomness of position is larger, easily and the borehole wall or other equipment rub, simultaneously because pulley 5 is arranged in iron block, iron block position is unstable, pulley also just can not be directed, lifting rope just easily damages pulley, therefore the iron block safety durable more that the position adopted in the present invention is compared to existing technology relatively unstable, pulley fixing device provided by the invention is also simple more than iron block of the prior art the complexity of structure simultaneously, and its manufacturing cost is also cheaper accordingly.
For optimizing technique scheme further, in above-mentioned pulley fixing device, between the side of the non-accommodating pulley 5 of pulley ear 7 and base 1, be provided with floor 6.Wherein floor 6 is preferably applicable to the rectangular steel plate of band of pulley fixing device size, and one of them square edge is welded in base 1, and another square edge is welded in the side of the non-accommodating pulley of pulley ear 7, i.e. the outside of pulley ear 7; Floor 6 quantity at least two each ears of pulley ear 7 establish a floor 6 in addition, preferably adopt outside each ear in the present invention and respectively establish two floors 6, if very heavy in lifting object weight, in the larger-size situation of pulley fixing device, floor 6 quantity can be increased according to actual conditions, but require to be symmetrical arranged in two pulley ear 7.
This structure with floor 6, the effect strengthening pulley fixing device structure can be played, specifically, be equivalent to increase the thickness of pulley ear 7 and the area of bearing surface, the corresponding pulley fixing device resistance to tension twisting resistance that makes significantly improves, corresponding improves pulley fixing device weight capacity and lateral stability, so add safety performance when floor 6 can improve hoisting large-size pit gear greatly.
For optimizing technique scheme further, in above-mentioned pulley fixing device, pulley 5 is installed on pulley ear 7 by the bearing pin 4 through its center, also sets up the back-up ring and spring cotter that to coordinate with bearing pin 4 for fixed pin shaft 4.Wherein, bearing pin 4 is arranged in the mounting hole in pulley center hole and two pulley ear 7, is installed on by pulley 5 in the middle of two ears; There is the mounting hole of spring cotter bearing pin 4 one end, after inserting bearing pin 4, is being provided with back-up ring on spring cotter installation nose end cover, then spring cotter is being loaded the mounting hole of spring cotter, and opening spring cotter.
Use this bearing pin 4 that the mode of pulley 5 is installed, axial location is effective, be easy to the axial restraint of pulley 5, install back pulley 5 at axial restraint, not easily be shifted dislocation, the corresponding good positioning effect of whole pulley fixing device in side, device monolithic stability, not easily produce swing, avoid by swing pulley 5 wear-out failure that causes even in hoisting process lifting rope the situation such as to deviate from.
For optimizing technique scheme further, in above-mentioned pulley fixing device, being provided with in anchor hole 2 and running through wherein, fixing anchor pole is installed to base 1.Wherein anchor hole 2 and anchor pole are uniformly distributed on base 1, and the quantity of anchor pole and size can lift weight according to reality and determine, the anchor pole of preferred 4 φ 18 × 1500mm sizes in the present invention.
Anchor pole is support pattern conventional in mine, is characterized in having invigoration effect to Rock And Soil intensity around tunnel, can significantly improves the stability of Rock And Soil around; Also have that cost is low, installation rate is fast, the feature of required light labor intensity in addition.So preferably adopt this fixed form of anchor pole herein, comparatively firmly pulley fixing device can be fixed on top board, make it can bear the huge weight of lifting coal mine machinery.
As shown in Figure 5, Fig. 5 is the control circuit figure of limit switch 8 provided by the invention, and wherein 8 is limit switch 8, and 91,92 and 93 is three control buttons, is respectively: 91 forward startups, 92 reverse startings, 93 stop; 10 is warning device.
For optimizing technique scheme further, in above-mentioned pulley fixing device, floor 6 is provided with the limit switch 8 sling on slideway that spacing probe extend into pulley 5.
Wherein the roughly principle of work of limit switch 8 is as follows: on the movable parts of mechanical equipment, install limit switch, the attachment point moved corresponding thereto is installed the block of end position, when the spacing probe of limit switch runs into block, cut off (or changing) control circuit, machinery just out of service or change runs.Because the equipment adopted in prior art is not suitable for arranging limit switch 8, so damage as met other reasons such as button, operate insensitive, signal the situation such as not in time occurs, can not orderly shutdown time, equipment does not have the mechanism that can stop in time, and the present invention is provided with limit switch 8.Limit switch 8 is connected with three control buttons 91,92,93 of lifting appliance as shown in Figure 5, when equipment works position set when winching to limit switch 8, touch limit switch 8,91 forwards in three control buttons start shelves and disconnect, control lifting appliance winch current supply circuit to disconnect, winch automatic train stop, also other gears changeable are as reverse starting, are specifically switched to the model decision which kind of gear looks limit switch 8.
Floor 6 is a part for pulley fixing device, be installed on by limit switch 8 on pulley fixing device is preferred version, from apparent volume and actual position situation, limit switch 8 volume is larger, inside has labyrinth and is applicable to being installed on fixed pulley fixing device, and pulley fixing device is from the lifting rope of relative motion or rigging close together, so also suitable in structure, floor 6 in pulley fixing device there is no other structures, and itself did not bear multi-load, on position, floor 6 is near the pulley 5 that lifting rope is housed, so preferably limit switch 8 is installed on floor 6 in the present invention.And limit switch 8 has spacing probe, for receiving action signal, by limit switch 8, the displacement of spacing probe is converted to electric signal with control circuit opening and closing situation again, so spacing probe will contact with needing in system controlled mobile, preferably lifting rope in the present invention, and limit switch 8 is loaded on the floor 6 of pulley fixing device, namely the preferred position of spacing probe is stretched in the slideway of pulley 5, adjacent with lifting rope accommodating in pulley 5.
For optimizing technique scheme further, in above-mentioned pulley fixing device, floor 6 is provided with locks to limit switch 8 the switch fixed orifice installed.
Floor 6 in pulley fixing device there is no other structures, and itself did not bear multi-load, be applicable to getting through hole mounting limit switch 8, coordinate the mode of through hole to install fixing by helicitic texture, structure is simple, and disassembling section is convenient, use manpower and material resources sparingly when assembly and disassembly, and other assembly parts such as required screw or bolt obtain easily, model is complete, and corresponding cost is lower.
Based on above-mentioned pulley fixing device, present invention also offers a kind of mine lifting appliance, comprise the winch of lifting rope and folding and unfolding lifting rope, also comprise to lifting rope carry out support guide as the pulley fixing device in above-mentioned any embodiment; The base of pulley fixing device is fixed on the top board of mine, and lifting rope is placed in slinging in slideway of pulley 5.
Wherein, the preferred drawing hoist of winch in the present invention, is placed on winch lifting rope in lifting appliance pulley 5, is arranged in pulley fixing device by pulley 5, install bearing pin 4, back-up ring, spring cotter.With chain shackle connection winch gib head and rigging, the suitable eyelet on rigging hook hanging device.With winch by lifting appliance hanging device.
The pulley fixing device in above-described embodiment is employed, so it is by the effect using pulley fixing device to bring describing also with reference to the various embodiments described above due to lifting appliance in the present embodiment.
For optimizing technique scheme further, in above-mentioned mine lifting appliance, the lifting end of lifting rope is provided with the block coordinated with the spacing probe monitors of the limit switch 8 on pulley fixing device.
Working process and the principle of limit switch are detailed in the above-described embodiments, the spacing probe of limit switch 8 needs the block be mated and coordinates, limit switch 8 could more good berth, block is generally selected to be fixed on in the mobile of limit switch 8 relative motion, when block touches spacing probe, respond in limit switch 8, and in the above-described embodiments preferred spacing probe is placed in pulley 5 sling in slideway, the block of correspondence is placed on lifting rope that pulley slings in slideway so should be installed in, when lifting weight is pullled predeterminated position by lifting rope, block on lifting rope touches spacing probe, limit switch 8 sends signal and changes circuit state, winch is taked or directly shuts down, or slow-down, or the actions such as reversing.
For optimizing technique scheme further, in above-mentioned mine lifting appliance, also comprise the warning device 10 monitoring block alarm at limit switch 8 be electrically connected with limit switch 8
Warning device 10 is provided with in device, damage as met other reasons such as button, operate insensitive, signal the situation such as not in time occurs, can not orderly shutdown time, limit switch 8 can send alerting signal by the opening and closing structure of self and the circuit controlled to operator, to warn lifting appliance generation problem, prevent problem from can not be found by people, occur in hoisting process that lifting is offside, have an accident, its report to the police form preferred signals electric bell, but report to the police form be not limited to signal electric bell also can be flash or sound and flash of light act on simultaneously.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a pulley fixing device, it is characterized in that, comprise base (1) and two to the pulley ear (7) be fixed on described base (1) of establishing, described base (1) is provided with anchor hole (2), also comprises the pulley (5) be installed in the middle of two described pulley ear (7).
2. pulley fixing device according to claim 1, is characterized in that, is provided with floor (6) between the side of the non-accommodating pulley of described pulley ear (7) and described base (1).
3. pulley fixing device according to claim 1, it is characterized in that, described pulley (5), by being installed on described pulley ear (7) through the bearing pin (4) at its center, also sets up the back-up ring and spring cotter that to coordinate with described bearing pin (4) and be used for fixing described bearing pin (4).
4. pulley fixing device according to claim 1, is characterized in that, is provided with and runs through wherein in described anchor hole (2), installs fixing anchor pole to described base (1).
5. pulley fixing device according to claim 2, is characterized in that, described floor (6) is provided with the limit switch (8) sling on slideway that spacing probe extend into described pulley (5).
6. pulley fixing device according to claim 5, is characterized in that, described floor (6) is provided with the switch fixed orifice (3) installed described limit switch (8) locking.
7. a mine lifting appliance, comprises the winch of lifting rope and folding and unfolding lifting rope, it is characterized in that, also comprises the pulley fixing device as described in any one of claim 1 to 6 described lifting rope being carried out to support guide; The base (1) of described pulley fixing device is fixed on the top board of mine, and described lifting rope is placed in slinging in slideway of described pulley (5).
8. mine lifting appliance according to claim 7, is characterized in that, the lifting end of described lifting rope is provided with the block coordinated with the spacing probe monitors of the limit switch (8) on described pulley fixing device.
9. mine lifting appliance according to claim 8, is characterized in that, also comprises the warning device (10) monitoring described block alarm at described limit switch (8) be electrically connected with described limit switch (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410689782.4A CN104444737A (en) | 2014-11-25 | 2014-11-25 | Lifting device for mine and pulley fixing device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410689782.4A CN104444737A (en) | 2014-11-25 | 2014-11-25 | Lifting device for mine and pulley fixing device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104444737A true CN104444737A (en) | 2015-03-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410689782.4A Pending CN104444737A (en) | 2014-11-25 | 2014-11-25 | Lifting device for mine and pulley fixing device thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN104444737A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105775792A (en) * | 2016-03-15 | 2016-07-20 | 山东钢铁股份有限公司 | Lifting mechanism pulley block hoisting device of bucket chain unloader and bucket chain unloader |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5427161A (en) * | 1977-08-01 | 1979-03-01 | Hitachi Ltd | Hoist |
| CN201140714Y (en) * | 2007-08-30 | 2008-10-29 | 兖州煤业股份有限公司 | Rollaway nest overhead carriage device |
| CN201209099Y (en) * | 2008-04-25 | 2009-03-18 | 重庆钢铁(集团)有限责任公司 | Lifting position limiter for fixed pulley |
| CN102139835A (en) * | 2010-11-12 | 2011-08-03 | 吴江市麒麟起重机械有限公司 | Electric crane with limiting device |
| CN203624357U (en) * | 2013-12-18 | 2014-06-04 | 黑龙江金海矿山设备制造有限公司 | Pulley assembly of hanging type belt conveyer |
| CN203767916U (en) * | 2014-03-31 | 2014-08-13 | 国家海洋局第二海洋研究所 | Pulley device for underwater tugging operation |
-
2014
- 2014-11-25 CN CN201410689782.4A patent/CN104444737A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5427161A (en) * | 1977-08-01 | 1979-03-01 | Hitachi Ltd | Hoist |
| CN201140714Y (en) * | 2007-08-30 | 2008-10-29 | 兖州煤业股份有限公司 | Rollaway nest overhead carriage device |
| CN201209099Y (en) * | 2008-04-25 | 2009-03-18 | 重庆钢铁(集团)有限责任公司 | Lifting position limiter for fixed pulley |
| CN102139835A (en) * | 2010-11-12 | 2011-08-03 | 吴江市麒麟起重机械有限公司 | Electric crane with limiting device |
| CN203624357U (en) * | 2013-12-18 | 2014-06-04 | 黑龙江金海矿山设备制造有限公司 | Pulley assembly of hanging type belt conveyer |
| CN203767916U (en) * | 2014-03-31 | 2014-08-13 | 国家海洋局第二海洋研究所 | Pulley device for underwater tugging operation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105775792A (en) * | 2016-03-15 | 2016-07-20 | 山东钢铁股份有限公司 | Lifting mechanism pulley block hoisting device of bucket chain unloader and bucket chain unloader |
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Application publication date: 20150325 |