CN204625055U - Winch rope fender guard - Google Patents
Winch rope fender guard Download PDFInfo
- Publication number
- CN204625055U CN204625055U CN201520100009.XU CN201520100009U CN204625055U CN 204625055 U CN204625055 U CN 204625055U CN 201520100009 U CN201520100009 U CN 201520100009U CN 204625055 U CN204625055 U CN 204625055U
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- winch rope
- rope
- orbit
- winch
- fender guard
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Abstract
The utility model embodiment provides a kind of winch rope fender guard, effectively improves winch rope in prior art and very easily causes the accidents such as winch rope severe wear, knotting and fracture of wire not according to default orbit operation, there is the problem of larger potential safety hazard.Winch rope fender guard in the utility model embodiment, is applied to the oblique track of underground coal mine, and the oblique track of described underground coal mine is preset with winch rope orbit, and described fender guard comprises ground roller and anti-deviation device; Described ground roller is installed on described winch rope orbit, for connecting described winch rope, driving described winch rope to move; Described anti-deviation device is installed on the oblique track of described underground coal mine, for being limited in described winch rope orbit by the running orbit of described winch rope.This winch rope fender guard structure is simple, it is ingenious to design, and significantly improve safety in utilization and the service life of winch rope, it is convenient to implement, and is easy to apply.
Description
Technical field
The utility model relates to coal mine downhole safety protection field, in particular to a kind of winch rope fender guard.
Background technology
In prior art, winch rope is mainly used in lifting vehicle and runs along presetting orbit, designer finds after deliberation, when practical application, because main fortune inclined gallery roadway opening line of centers, railway roadbed laying line of centers and garage lifting winch cylinder mounting center line are triangular inconsistent, cause and often occur that winch rope departs from railway roadbed center in lifting winch operational process, run not according to default orbit, winch rope runs not according to default orbit and very easily causes the accidents such as winch rope severe wear, knotting and fracture of wire, there is larger potential safety hazard.
Utility model content
In view of this; the object of the utility model embodiment is to provide a kind of winch rope fender guard; very easily cause the accidents such as winch rope severe wear, knotting and fracture of wire to improve winch rope in prior art not according to default orbit operation, there is the problem of larger potential safety hazard.
To achieve these goals, the technical scheme of the utility model embodiment employing is as follows:
First aspect, the utility model embodiment provides a kind of winch rope fender guard, is applied to the oblique track of underground coal mine, and the oblique track of described underground coal mine is preset with winch rope orbit, and described fender guard comprises ground roller and anti-deviation device;
Described ground roller is installed on described winch rope orbit, for connecting described winch rope, driving described winch rope to move; Described anti-deviation device is installed on the oblique track of described underground coal mine, for being limited in described winch rope orbit by the running orbit of described winch rope.
In the utility model embodiment, by the ingenious setting of roller, anti-deviation device over the ground, ensure that winch rope can under the drive of ground roller, in the scope that anti-deviation device limits, as run in winch rope orbit, thus ensure that winch rope reliability of operation, significantly reduce potential safety hazard.
In conjunction with first aspect, the utility model embodiment provides the first possible embodiment of first aspect, wherein, described anti-deviation device comprises anti-rope device, described anti-rope device is installed on the oblique track of described underground coal mine, is positioned at described winch rope orbit both sides, for being limited in described winch rope orbit by the running orbit of described winch rope.
In the utility model embodiment, anti-deviation device comprises anti-rope device, the setting of anti-rope device, ensure that winch rope can not deviate to orbit both sides, effectively ensure that the safe operation of winch rope.
In conjunction with the first possible embodiment of first aspect, the utility model embodiment provides the possible embodiment of the second of first aspect, wherein, described anti-rope device is strip shape, the lower end of described anti-rope device is arranged on the oblique track of described underground coal mine, is positioned at described winch rope orbit both sides, height when upper end is run higher than described winch rope.
In conjunction with the embodiment that the second of first aspect is possible, the utility model embodiment provides the third possible embodiment of first aspect, wherein, described anti-rope device is the level and smooth arcuate structure bent towards described winch rope orbit near described winch rope orbit side.
In the utility model embodiment, anti-rope device is set to level and smooth arcuate structure near winch rope orbit side, the design of this structure, while guaranteeing that winch rope can not deviate to orbit both sides, by in anti-rope device and winch rope " antagonism " process, the damage that causes winch rope is reduced to minimum, ensure that the service life of winch rope, separately, anti-rope device is set to towards the bending structure of winch rope orbit near winch rope orbit side, while guaranteeing that winch rope can not deviate to orbit both sides, also can by the running orbit of winch rope " guiding " in the orbit preset, design very ingenious.
In conjunction with first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect, and wherein, described anti-deviation device comprises rope supporting device, described rope supporting device is installed on described winch rope orbit, for preventing described winch rope directly and earth surface.
In the utility model embodiment, anti-deviation device comprises rope supporting device, the setting of rope supporting device, makes winch rope directly and earth surface, significantly reduces winch rope and directly contact suffered damage with ground, ensure that the service life of winch rope.
In conjunction with the 4th kind of possible embodiment of first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect, wherein, the described rope supporting device side that contacts with described winch rope is the level and smooth arcuate structure bent towards described winch rope.
In the utility model embodiment, the side that contacted with winch rope by rope supporting device is set to the level and smooth arcuate structure bent towards winch rope, this kind of structure design, ensure that winch rope is able to trouble-free operation on rope supporting device.
In conjunction with first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect, wherein, described anti-deviation device comprises rope press device, described rope press device lower end is installed on the oblique track of described underground coal mine, is positioned at described winch rope orbit both sides, upper end extends to above described winch rope orbit, exceedes maximum ground clearance for preventing described winch rope.
In the utility model embodiment, the setting of rope press device, ensure that winch rope can not be liftoff excessively far away, further ensure that winch rope reliability of operation.
In conjunction with the 6th kind of possible embodiment of first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect, wherein, described rope press device comprises the bracing frame being arranged on the oblique track of described underground coal mine, being positioned at described winch rope orbit both sides, and one end is arranged on above support frame as described above, the other end extends to position-limited rack above described winch rope orbit.
In conjunction with the 7th kind of possible embodiment of first aspect, the utility model embodiment provides the 8th kind of possible embodiment of first aspect, wherein, support frame as described above is connected with described position-limited rack integral type, and support frame as described above and described position-limited rack junction are fillet structure.
In the utility model embodiment, bracing frame is connected with position-limited rack integral type, and integral structure is comparatively stable; Be connected by fillet structure between bracing frame with position-limited rack, will with winch rope " antagonism " process, the damage that causes winch rope is reduced to minimum, ensure that the service life of winch rope.
In conjunction with the 6th kind of possible embodiment of first aspect, the utility model embodiment provides the 9th kind of possible embodiment of first aspect, wherein, support frame as described above and described position-limited rack are flexibly connected, and support frame as described above and described position-limited rack junction are fillet structure.
In the utility model embodiment, bracing frame is flexibly connected with position-limited rack, and make when implementing, can adjust the spacing height of position-limited rack according to the actual requirements flexibly, applicability is higher; Be connected by fillet structure between bracing frame with position-limited rack, will with winch rope " antagonism " process, the damage that causes winch rope is reduced to minimum, ensure that the service life of winch rope.
In the utility model embodiment, by the ingenious setting of roller, anti-deviation device over the ground, ensure that winch rope can under the drive of ground roller, in the scope that anti-deviation device limits, as run in winch rope orbit, thus ensure that winch rope reliability of operation, significantly reduce potential safety hazard.
In the utility model embodiment, anti-deviation device comprises anti-rope device, rope press device, rope supporting device, and resist rope device, rope press device, rope supporting device structure carried out ingehious design, make while guaranteeing that winch rope can not depart from orbit, by in " antagonism " process, the damage that causes winch rope is reduced to minimum, effectively ensure that the service life of winch rope.
Winch rope fender guard structure in the utility model embodiment is simple, enforcement is convenient, can significantly improve the safe reliability of winch rope operation, and realistic demand, has substantive distinguishing features and progress, is applicable to large-scale promotion application.
Other feature and advantage of the present utility model will be set forth in the following description, and, partly become apparent from specification sheets, or understand by implementing the utility model embodiment.The object of the utility model embodiment and other advantages are by realizing at write specification sheets, claims and accompanying drawing and obtaining.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
The mounting structure schematic diagram of a kind of winch rope fender guard that Fig. 1 provides for the utility model embodiment;
The structural representation of a kind of ground roller that Fig. 2 provides for the utility model embodiment;
The mounting structure schematic diagram of a kind of anti-rope device that Fig. 3 provides for the utility model embodiment;
The structural representation of a kind of rope supporting device that Fig. 4 provides for the utility model embodiment;
The mounting structure schematic diagram of a kind of rope press device that Fig. 5 provides for the utility model embodiment;
The marginal texture schematic diagram of a kind of rope press device that Fig. 6 provides for the utility model embodiment, anti-rope device, rope supporting device.
In above-mentioned accompanying drawing, the name that accompanying drawing mark is corresponding is called:
Orbit 100, winch rope 101, ground roller 102, anti-rope device 103, rope supporting device 104, rope press device 105.
Detailed description of the invention
Below in conjunction with accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on embodiment of the present utility model, the every other embodiment that those skilled in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
Embodiment
Now; when carrying out coal mine operation; often can move to a certain destination by winch rope 101 lifting vehicle; in actual use; because underground coal mine landform is comparatively complicated; cause winch rope 101 easily to depart from default orbit 100, as: winch rope 101 runs along orbit 100 not according to designing requirement, offset track side or throw away outside orbit 100 run.Once there is deviation phenomenon in winch rope 101, winch rope 101 will depart from commitment positions, ground roller 102 just loses its holder rope, antifriction effect, in this case, very easily occur that other devices of underground coal mine scraped by winch rope 101, as ground roll bracket, road plate screw etc., cause the accidents such as major injury, knotting and fracture of wire, railway transport vehicle even can be caused to slide down or transport the generation of the major accidents such as magnifying slip, so its potential safety hazard existed must be improved by every means.Particularly, when winch rope 101 lifting vehicle fortune stage parking lot each through inclined-drift rail, more easily cause winch rope 101 to damage, also can cause damage to other devices of underground coal mine, shorten service life of equipment.
Based on this, as shown in Figure 1, the utility model embodiment provides a kind of winch rope 101 fender guard, is applied to the oblique track of underground coal mine, the oblique track of described underground coal mine is preset with winch rope 101 orbit 100, described fender guard comprises ground roller 102 and anti-deviation device; Described ground roller 102 is installed on described winch rope 101 orbit 100, for connecting described winch rope 101, driving described winch rope 101 to move; Described anti-deviation device is installed on the oblique track of described underground coal mine, for being limited in described winch rope 101 orbit 100 by the running orbit of described winch rope 101.
Wherein, the project organization of ground roller 102 has multiple, as long as can under the drive of engine installation, winch rope 101 is driven to run along default running orbit, as shown in Figure 2, present embodiments provide the project organization of roller 102 wherein a kind ofly, the technology comparatively commonly used owing to driving rope to operate to this area by ground roller 102, does not thus more speak more bright at this.
It should be noted that, the project organization of anti-deviation device has multiple, as long as the running orbit of winch rope 101 can be limited in winch rope 101 orbit 100, designer is by many ways to observe in the running condition at underground coal mine slope track place winch rope 101 and investigate discovery, in operational process, mainly there is following problem in winch rope 101: departs from from orbit 100 both sides at turning; On slope, place is unsettled, departs from orbit 100; Local in some of orbit 100, as entrance and exit directly and earth surface, wear and tear larger.Based on above-mentioned research, designer finds, improve above-mentioned all problems, multiple design must be carried out to anti-deviation device, consider in actual applications, often only there is one of them problem in a lot of place, thus, design can improve the Comprehensive Preventing centring device of above-mentioned all problems and inapplicable, cost performance is not high, based on this, in the utility model embodiment, " separation " design has been carried out to anti-deviation device, as seen in figures 3-5, for each problem, design protective device respectively, make user can be according to the actual requirements, related device is set flexibly, to improve corresponding problem.
In order to improve winch rope 101 at turning from the problem that orbit 100 both sides are departed from, as shown in Figure 3, the utility model embodiment discloses a kind of anti-rope device 103 being installed on the oblique track of described underground coal mine, being positioned at described winch rope 101 orbit 100 both sides, for being limited in described winch rope 101 orbit 100 by the running orbit of described winch rope 101.The project organization of anti-rope device 103 has multiple, as long as can stop that winch rope 101 departs from default running orbit, offsets towards both sides.Such as: anti-rope device 103 is strip shape, the lower end of anti-rope device 103 is arranged on the oblique track of underground coal mine, be positioned at winch rope 101 orbit 100 both sides, height when upper end is run higher than winch rope 101, again such as: anti-rope device 103 is the schistose texture of height when running higher than winch rope 101, anti-rope device 103 is designed to the schistose texture with one fixed width, anti-rope device 103 and area of contact time winch rope 101 " antagonism " can be increased, " resistance " is divided equally on one section of winch rope 101, avoid because " resistance " being acted on winch rope 101 less " point ", winch rope 101 stress point is caused to damage.
While guaranteeing that winch rope 101 can not deviate to orbit 100 both sides, in order to by anti-rope device 103 with winch rope 101 " antagonism " process, the damage that causes winch rope 101 is reduced to minimum, guarantee the service life of winch rope 101, in the utility model embodiment, preferably anti-rope device 103 is set to towards the bending level and smooth arcuate structure of described winch rope 101 orbit 100 near described winch rope 101 orbit 100 side, separately, in order to by the running orbit " guiding " of winch rope 101 to preset orbit 100 in, preferably anti-rope device 103 is set near winch rope 101 orbit 100 side towards the bending structure of winch rope 101 orbit 100.
It should be noted that, anti-rope device 103 is generally arranged on the position that winch rope 101 easily departs to orbit 100 both sides, as the position etc. at turning, close turning.
Local in some of orbit 100 in order to improve winch rope 101, as entrance and exit directly and earth surface, to wear and tear larger problem, the utility model embodiment discloses one and is installed on described winch rope 101 orbit 100, for preventing described winch rope 101 directly and the rope supporting device 104 of earth surface.The project organization of rope supporting device 104 has multiple, if can prevent winch rope 101 directly with earth surface, such as: holder rope sheave can be designed to, make winch rope 101 be able to smoothness run on this holder rope sheave; Again such as: the side that can be designed to contact with winch rope 101 is towards the bending level and smooth arcuate structure of described winch rope 101, as shown in Figure 4.After so arranging, make winch rope 101 directly and earth surface, significantly reduce winch rope 101 and directly contact suffered damage with ground, ensure that the service life of winch rope 101.
It should be noted that, rope supporting device 104 is generally arranged on the position that winch rope 101 is about to enter or leave orbit 100, and entrance, each middle parking lot, as the entrance of orbit 100 and exit, can with ground roller 102 with the use of.
Easily unsettled at slope place in order to improve winch rope 101, depart from the problem of orbit 100, as shown in Figure 5, the utility model embodiment discloses a kind of lower end and is installed on the oblique track of described underground coal mine, is positioned at described winch rope 101 orbit 100 both sides, upper end extends to above described winch rope 101 orbit 100, for the rope press device 105 preventing described winch rope 101 from exceeding maximum ground clearance.The setting of rope press device 105, make winch rope 101 can not be liftoff excessively far away, ensure that winch rope 101 reliability of operation, the project organization of rope press device 105 has multiple, as long as the liftoff mistake of winch rope 101 can be prevented far, in the present embodiment, preferred rope press device 105 comprises the bracing frame being arranged on the oblique track of described underground coal mine, being positioned at described winch rope 101 orbit 100 both sides, and one end is arranged on above support frame as described above, the other end extends to position-limited rack above described winch rope 101 orbit 100.According to the actual requirements, bracing frame and position-limited rack can be designed to integral type and be connected or be flexibly connected, and wherein, if integral type is connected between support with position-limited rack, then integral structure is comparatively stable; If bracing frame and position-limited rack are flexibly connected, as: the connection mode adopting adjustable angle the same as notebook, when implementing, then can adjust the spacing height of position-limited rack according to the actual requirements flexibly, applicability is higher.In order to will with winch rope 101 " antagonism " process, the damage that causes winch rope 101 be reduced to minimum, guarantees the service life of winch rope 101, preferably bracing frame and position-limited rack junction is set to fillet structure.
Separately, in order to prevent winch rope 101 to slip away position-limited rack, as shown in Figure 6, preferably one end that position-limited rack is not connected with bracing frame is set to back hook structure.
It should be noted that, when implementing, preferably the height of anti-rope device 103 being designed to height when running higher than winch rope 101, giving prominence to the height at position lower than vehicle chassis, to prevent anti-rope device 103, rope supporting device 104 scratch vehicle chassis.
Based on said structure, the utility model embodiment provides wherein a kind of embodiment:
Can according to the distance and position of winch rope 101 sideslip situation scene setting anti-deviation device and type, as: set up winch rope 101 anti-deviation device according to the direction of winch rope 101 sideslip at interval of about 30 meters length distance along orbit 100 circuit, as anti-rope device 103, support the use in conjunction with the ground roller 102 in orbit 100 road shelves, by the fixed position of anti-rope device 103, select suitable rope supporting device 104 fixed position, improve vehicle toward parking lot pine, winch rope 101 scrape along the ground when pulling a cart, the hidden danger such as railway roadbed or railway roadbed fastener, reduce the occurrence probability of inclined roadway rail transport accident.
Empirical tests, by the setting to winch rope 101 fender guard, significantly improves winch rope 101 service life, and reduce and scrape rope, disconnected rope, vehicle slide down the safety misadventures such as overturnings, safe value of its creation is as follows:
One, decrease Master Cost to drop into: an inclined-drift rail is by 700 meters of length computation, article one, winch rope 101 is worth nearly 10,000 yuan, when with 6 inclined-drift rails, saves winch rope 101 expense altogether and drops into nearly 60,000 yuan, the destruction diversion fee of railway roadbed and safety facilities estimates 30,000 yuan, adds up to and is about 90,000 yuan.
Two, reduce maintenance load: decrease the damage rate to inclined gallery railway roadbed and safety facilities, reduce maintenance task, save expense of labor and drop into, annual nearly 87.3 ten thousand yuan of the economic value created.
Three, improve work efficiency: decrease industrial accident impact, nearly about 150 of many lifting vehicles in a year, calculate by each 100 yuan and be worth, create beneficial result is worth nearly 150*100=1.5 ten thousand yuan.
Annual creation direct economic benefit is about: 90,000 yuan+87.3 ten thousand yuan+1.5 ten thousand yuan=97.8 ten thousand yuan.
In the utility model embodiment, by setting up anti-deviation device on orbit 100 route, can improve because of roadway opening, track laying, the certain error that winch design and installation position etc. exist and the line of centers that occurs is inconsistent, thus cause the large rope sideslip of winch, large rope friction railway roadbed and fastener thereof, even occur that large rope is scraped off to such an extent as to inclined roadway rail transport vehicle occurs to slide down, the generation of the Peril Incidents such as transport magnifying slip, in addition, if winch rope 101 can not promote according to normal result of use, winch rope 101 service life will be reduced, make user need change winch rope 101 in advance, add economical burden.By the utility model embodiment, significantly reduce the occurrence probability of inclined roadway rail transport major safety risks, make winch rope 101 be able to according to setting position and route safe operation.
By using the scheme in the utility model embodiment; winch rope 101 obtains available protecting; significantly reduce accident occurrence probability, add the service life of winch rope 101 simultaneously, normally can use according to winch rope 101, change the time limit and carry out changing the safe behave such as rope, tune and implement.Protect worker's economy and security interests, can not be not in place and cause worker's economic penalties or process because of the personnel control in operation, transportation safety quality standardization level is promoted, there is substantive distinguishing features and progress, be applicable to large-scale promotion application.
The above; be only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should described be as the criterion with the protection domain of claim.
Claims (10)
1. a winch rope fender guard, is characterized in that, is applied to the oblique track of underground coal mine, and the oblique track of described underground coal mine is preset with winch rope orbit, and described fender guard comprises ground roller and anti-deviation device;
Described ground roller is installed on described winch rope orbit, for connecting described winch rope, driving described winch rope to move; Described anti-deviation device is installed on the oblique track of described underground coal mine, for being limited in described winch rope orbit by the running orbit of described winch rope.
2. winch rope fender guard according to claim 1; it is characterized in that; described anti-deviation device comprises anti-rope device; described anti-rope device is installed on the oblique track of described underground coal mine, is positioned at described winch rope orbit both sides, for being limited in described winch rope orbit by the running orbit of described winch rope.
3. winch rope fender guard according to claim 2; it is characterized in that; described anti-rope device is strip shape, and the lower end of described anti-rope device is arranged on the oblique track of described underground coal mine, is positioned at described winch rope orbit both sides, height when upper end is run higher than described winch rope.
4. winch rope fender guard according to claim 3, is characterized in that, described anti-rope device is the level and smooth arcuate structure bent towards described winch rope orbit near described winch rope orbit side.
5. winch rope fender guard according to claim 1, is characterized in that, described anti-deviation device comprises rope supporting device, and described rope supporting device is installed on described winch rope orbit, for preventing described winch rope directly and earth surface.
6. winch rope fender guard according to claim 5, is characterized in that, the described rope supporting device side that contacts with described winch rope is the level and smooth arcuate structure bent towards described winch rope.
7. winch rope fender guard according to claim 1; it is characterized in that; described anti-deviation device comprises rope press device; described rope press device lower end is installed on the oblique track of described underground coal mine, is positioned at described winch rope orbit both sides; upper end extends to above described winch rope orbit, exceedes maximum ground clearance for preventing described winch rope.
8. winch rope fender guard according to claim 7; it is characterized in that; described rope press device comprises the bracing frame being arranged on the oblique track of described underground coal mine, being positioned at described winch rope orbit both sides, and one end is arranged on above support frame as described above, the other end extends to position-limited rack above described winch rope orbit.
9. winch rope fender guard according to claim 8, is characterized in that, support frame as described above is connected with described position-limited rack integral type, and support frame as described above and described position-limited rack junction are fillet structure.
10. winch rope fender guard according to claim 9, is characterized in that, support frame as described above and described position-limited rack are flexibly connected, and support frame as described above and described position-limited rack junction are fillet structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520100009.XU CN204625055U (en) | 2015-02-11 | 2015-02-11 | Winch rope fender guard |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520100009.XU CN204625055U (en) | 2015-02-11 | 2015-02-11 | Winch rope fender guard |
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| CN204625055U true CN204625055U (en) | 2015-09-09 |
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| CN201520100009.XU Expired - Fee Related CN204625055U (en) | 2015-02-11 | 2015-02-11 | Winch rope fender guard |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106081965A (en) * | 2016-06-15 | 2016-11-09 | 山东华联矿业股份有限公司 | Ramp cast iron carrying roller |
| CN107938726A (en) * | 2017-12-24 | 2018-04-20 | 贵州铁建工程质量检测咨询有限公司 | A kind of ultrasound pile promotion signal line protective device |
| CN113530596A (en) * | 2021-06-08 | 2021-10-22 | 山东东山新驿煤矿有限公司 | Endless rope conveying system for roadway |
-
2015
- 2015-02-11 CN CN201520100009.XU patent/CN204625055U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106081965A (en) * | 2016-06-15 | 2016-11-09 | 山东华联矿业股份有限公司 | Ramp cast iron carrying roller |
| CN107938726A (en) * | 2017-12-24 | 2018-04-20 | 贵州铁建工程质量检测咨询有限公司 | A kind of ultrasound pile promotion signal line protective device |
| CN113530596A (en) * | 2021-06-08 | 2021-10-22 | 山东东山新驿煤矿有限公司 | Endless rope conveying system for roadway |
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Granted publication date: 20150909 Termination date: 20180211 |