CN204022307U - Coal mine shaft lining shaft sleeve wall form conveying arrangement and hanging scaffold group - Google Patents
Coal mine shaft lining shaft sleeve wall form conveying arrangement and hanging scaffold group Download PDFInfo
- Publication number
- CN204022307U CN204022307U CN201420481859.4U CN201420481859U CN204022307U CN 204022307 U CN204022307 U CN 204022307U CN 201420481859 U CN201420481859 U CN 201420481859U CN 204022307 U CN204022307 U CN 204022307U
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- coal mine
- hanging scaffold
- circular orbit
- mine shaft
- shaft
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Abstract
The utility model provides a kind of coal mine shaft lining shaft sleeve wall form conveying arrangement and hanging scaffold group, comprise: coal mine shaft lining pit shaft jacket wall hanging scaffold, circular orbit and electric block, the diametric(al) of circular orbit is parallel with the card of coal mine shaft lining pit shaft jacket wall hanging scaffold, and circular orbit is fixed on immediately below coal mine shaft lining pit shaft jacket wall hanging scaffold, electric block hangs on circular orbit, and electric block can move along circular orbit, one end of the rope of electric block connects the coal mine shaft lining shaft sleeve wall form needing transport, wherein, can climbing shuttering owing to hanging on electric block on circular orbit, and can move along circular orbit, template is transported to the coal mine shaft lining sidewall locations needing formwork erection, thus effectively alleviate the labour intensity of workmen, improve the efficiency of dismounting template and carrying template, one end further owing to will the coal mine shaft lining shaft sleeve wall form of transport be needed to be connected to the rope in electric block, thus effectively improve the safety of operation.
Description
Technical field
The utility model relates to coal mine shaft lining shaft lining technology, particularly relates to a kind of coal mine shaft lining shaft sleeve wall form conveying arrangement and hanging scaffold group.
Background technology
In the process of establishing in tunnel needed for China's exploitation colliery, the table of general coal mine shaft lining pit shaft soil section needs to carry out the operation of secondary jacket wall to coal mine shaft lining pit shaft after having constructed.
Shaft of vertical well is being carried out in the work progress of secondary jacket wall, service platform for workmen generally adopts 4 layers of hanging scaffold group, the card of each hanging scaffold in hanging scaffold group and plane-parallel, and forms a line, from top to bottom, the 1st layer of hanging scaffold is used for removing the frost on coal mine shaft lining pit shaft outer wall; 2nd layer of hanging scaffold is used for assembling reinforcement; 3rd layer of hanging scaffold is used for rigging, placing concrete; 4th layer of hanging scaffold is used for form removal, watering maintenance shaft wall, and in the process of construction, the position of hanging scaffold group can move up and down along with construction speed.
In this kind of construction technology, the detailed process of form removal and formwork erection is: workmen is by the form removable on the borehole wall good for maintenance in borehole wall section corresponding between the 3rd layer of hanging scaffold and the 4th layer of hanging scaffold, and template is cleaned out, then the template cleaned out is loaded in hanging basket, by main lifting winch by lifting of hanging basket on the 3rd layer of hanging scaffold, and hanging scaffold group entirety is moved up, make to need the borehole wall section of carrying out formwork erection to be positioned between the 3rd layer of hanging scaffold and the 2nd layer of hanging scaffold, now, template is taken out by workmen by the 3rd layer of hanging scaffold from hanging basket, and template is carried to the corresponding position needing formwork erection, then template is assembled, continue to carry out formwork erection operation to the borehole wall of borehole wall section corresponding between the 3rd layer of hanging scaffold and the 2nd layer of hanging scaffold, thus many cover templates can be made to recycle, ensure that jacket wall work is uninterruptedly carried out continuously from bottom to top.
But due to template be removed by workmen, cleaning, and the template after cleaning is put into hanging basket, and then takes out template from hanging basket, be carried to the position needing formwork erection, the labour intensity of workmen can be caused excessive, dismounting and handling efficiency low.
Utility model content
The utility model embodiment provides a kind of coal mine shaft lining shaft sleeve wall form conveying arrangement and hanging scaffold group, excessive to overcome in prior art workmen's labour intensity in template unloading process, dismounting and the low problem of handling efficiency.
The utility model first aspect provides a kind of coal mine shaft lining shaft sleeve wall form conveying arrangement, comprising: coal mine shaft lining pit shaft jacket wall hanging scaffold, circular orbit and electric block,
The internal diameter of described circular orbit is greater than the external diameter of described coal mine shaft lining pit shaft jacket wall hanging scaffold, and be less than the internal diameter of coal mine shaft lining pit shaft, the diametric(al) of described circular orbit is parallel with the card of described coal mine shaft lining pit shaft jacket wall hanging scaffold, and described circular orbit is fixed on immediately below described coal mine shaft lining pit shaft jacket wall hanging scaffold by attaching parts;
Described electric block hangs on described circular orbit, and described electric block can move along described circular orbit, and one end of the rope of described electric block connects the coal mine shaft lining shaft sleeve wall form needing transport.
The first of first aspect possible implementation in, the cross section of described circular orbit is I-shape, described circular orbit comprises top flange part, flank and lower flange part, the flank of described circular orbit is vertical with the card of described hanging scaffold, and described top flange part is fixed on the below of described coal mine shaft lining pit shaft jacket wall hanging scaffold side by attaching parts.
In conjunction with the first possible implementation of first aspect, in the implementation that the second of first aspect is possible, also comprise sport car, described sport car hangs on described lower flange part, and can move along described circular orbit, described electric block is fixed on the downside of described sport car.
In the third possible implementation of first aspect, described circular orbit hangs multiple described electric block.
The utility model second aspect provides a kind of coal mine shaft lining pit shaft jacket wall hanging scaffold group, comprising: hanging scaffold group, and as the first coal mine shaft lining shaft sleeve wall form conveying arrangement to the third described in any one possible implementation of first aspect, first aspect,
The card of each hanging scaffold in described hanging scaffold group all and plane-parallel, and forms a line;
Circular orbit in described coal mine shaft lining shaft sleeve wall form conveying arrangement is fixed on immediately below the non-bottom hanging scaffold in described hanging scaffold group.
In the implementation that the second of second aspect is possible, described hanging scaffold group is 4 layers, and the circular orbit in described coal mine shaft lining shaft sleeve wall form conveying arrangement is fixed on immediately below the 2nd layer of hanging scaffold from top to bottom.
A kind of coal mine shaft lining shaft sleeve wall form conveying arrangement that the utility model provides and hanging scaffold group, comprise: coal mine shaft lining pit shaft jacket wall hanging scaffold, circular orbit and electric block, the internal diameter of circular orbit is greater than the external diameter of coal mine shaft lining pit shaft jacket wall hanging scaffold, and be less than the internal diameter of coal mine shaft lining pit shaft, the diametric(al) of circular orbit is parallel with the card of coal mine shaft lining pit shaft jacket wall hanging scaffold, and circular orbit is fixed on immediately below coal mine shaft lining pit shaft jacket wall hanging scaffold by attaching parts, electric block hangs on circular orbit, and electric block can move along circular orbit, one end of the rope of electric block connects the coal mine shaft lining shaft sleeve wall form needing transport, wherein can climbing shuttering owing to hanging on electric block on circular orbit, and can move along circular orbit, template is transported to the coal mine shaft lining sidewall locations needing formwork erection, thus effectively alleviate the labour intensity of workmen, improve the efficiency of dismounting template and carrying template, one end further owing to will the coal mine shaft lining shaft sleeve wall form of transport be needed to be connected to the rope in electric block, thus effectively improve the safety of operation.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, 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.
The structural representation of the coal mine shaft lining shaft sleeve wall form conveying arrangement that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the section drawing of circular orbit;
Fig. 3 is the connection diagram of circular orbit, sport car and electric block;
The structural representation of the coal mine shaft lining pit shaft jacket wall hanging scaffold group that Fig. 4 provides for the utility model embodiment.
By reference to the accompanying drawings, in the utility model embodiment, Reference numeral is as follows:
11-coal mine shaft lining pit shaft jacket wall hanging scaffold 12-circular orbit
13-electric block 14-attaching parts
15-sport car 16-coal mine shaft lining shaft sleeve wall form
121-top flange part 122-flank
123-lower flange part
22-the 2nd layer of hanging scaffold 23-the 3rd layer of hanging scaffold
24-the 4th layer of hanging scaffold 25-coal mine shaft lining shaft sleeve wall form
26-electric block 27-sport car
The rope of 28-circular orbit 261-electric block
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The structural representation of the coal mine shaft lining shaft sleeve wall form conveying arrangement that Fig. 1 provides for the utility model embodiment, as shown in Figure 1, this coal mine shaft lining shaft sleeve wall form conveying arrangement comprises:
Coal mine shaft lining pit shaft jacket wall hanging scaffold 11, circular orbit 12, electric block 13,
Wherein, the internal diameter of circular orbit 12 is greater than the external diameter of coal mine shaft lining pit shaft jacket wall hanging scaffold 11, and be less than the internal diameter of coal mine shaft lining pit shaft, the diametric(al) of circular orbit 12 is parallel with the card of coal mine shaft lining pit shaft jacket wall hanging scaffold 11, and circular orbit 12 is fixed on immediately below coal mine shaft lining pit shaft jacket wall hanging scaffold 11 by attaching parts 14;
Electric block 13 hangs on circular orbit 12, and electric block 13 can move along circular orbit 12, and one end of the rope of electric block 13 connects the coal mine shaft lining shaft sleeve wall form 16 needing transport.
Further, as shown in Figure 2, the cross section of circular orbit 12 is I-shape, circular orbit comprises top flange part 121, flank 122 and lower flange part 123, the flank 122 of circular orbit 12 is vertical with the card of coal mine shaft lining pit shaft jacket wall hanging scaffold 11, and top flange part 123 is fixed on the below of coal mine shaft lining pit shaft jacket wall hanging scaffold 11 side by attaching parts.
Further, as shown in Figure 1, coal mine shaft lining shaft sleeve wall form conveying arrangement also comprises sport car 15, concrete, as shown in Figure 3, sport car 15 hangs on the lower flange part 123 of circular orbit 12, and can move along circular orbit 12, electric block 13 is fixed on the downside of sport car 15.
Further, as shown in Figure 1, circular orbit 12 can hang multiple electric block 13, the utility model is not limited the number of electric block.
Concrete, the present embodiment be applied to need the coal mine shaft lining shaft sleeve wall form 16 of lower floor to remove and by its again formwork erection to the scene of the coal mine shaft lining pit shaft side wall on upper strata, and have multilayer hanging scaffold in actual applications, upper strata hanging scaffold is connected by hanging scaffold column with between lower floor hanging scaffold, the coal mine shaft lining shaft sleeve wall form conveying arrangement that the utility model provides is positioned at the below of upper strata hanging scaffold, in actual mechanical process, first the rope of electric block 13 is dropped to the position needing form removal by workmen, and rope is reliably connected with needing the coal mine shaft lining shaft sleeve wall form 16 transported, then the rope of electric block 13 is promoted, make the rope of electric block 13 energetically, also namely make that the rope of electric block 13 is stressed is in tight state, now the tie bolt in template is removed by workmen, then by electric block 13, the coal mine shaft lining shaft sleeve wall form 16 after dismounting is promoted to the position of the coal mine shaft lining pit shaft side wall needing formwork erection, also be, be promoted to the top of lower floor's hanging scaffold, due in the process of removing coal mine shaft lining shaft sleeve wall form 16, the rope of electric block 13 is reliably connected with needing the coal mine shaft lining shaft sleeve wall form 16 transported, and the rope of electric block 13 is in tight state, can effectively avoid in prior art, after removing the coal mine shaft lining shaft sleeve wall form 16 needing transport, due to the problem of workmen, the coal mine shaft lining shaft sleeve wall form 16 causing needs to transport falls in well the situation occurring safety misadventure.
After the coal mine shaft lining shaft sleeve wall form 16 of needs transport is promoted to the height and position of the coal mine shaft lining pit shaft side wall needing formwork erection by the rope of electric block 13, owing to needing the coal mine shaft lining pit shaft side wall of formwork erection be not be likely located immediately at form removal position directly over, now, need position coal mine shaft lining shaft sleeve wall form 16 being moved to the coal mine shaft lining pit shaft side wall needing formwork erection, and in prior art, be artificial position coal mine shaft lining shaft sleeve wall form 16 being moved to the coal mine shaft lining pit shaft side wall needing formwork erection, the labour intensity of workmen can be caused excessive, and can be moved by the sport car 15 driving electric cucurbit 13 be suspended on circular orbit 12 in the utility model, the coal mine shaft lining shaft sleeve wall form 16 that electric block 13 rope connects is moved to the position of the coal mine shaft lining pit shaft side wall needing formwork erection.
Specific operation process is, after the coal mine shaft lining shaft sleeve wall form 16 of needs transport is promoted to the height and position of the coal mine shaft lining pit shaft side wall needing formwork erection by the rope of electric block 13, workmen in the light of actual conditions operates the button of sport car, move along circular orbit 12 to make sport car 15, and the electric block 13 hung under sport car 15 is moved, the coal mine shaft lining shaft sleeve wall form 16 that electric block 13 rope connects is moved to the position of the coal mine shaft lining pit shaft side wall needing formwork erection, then coal mine shaft lining shaft sleeve wall form 16 is directly fixed on coal mine shaft lining pit shaft side wall with tie bolt by workmen, same, because the rope of electric block 13 is reliably connected with coal mine shaft lining shaft sleeve wall form 16 always, thus avoid coal mine shaft lining shaft sleeve wall form 16 and fall in well the situation occurring safety misadventure, and effectively alleviate the labour intensity of workmen, improve the efficiency of dismounting template and carrying template.
In the another kind of possible implementation of the utility model, also can first electric block 13 be moved to need immediately below the coal mine shaft lining pit shaft side wall of formwork erection by circular orbit 12, and then the coal mine shaft lining shaft sleeve wall form 16 that the rope of electric block 13 connects is promoted to the height and position of the coal mine shaft lining pit shaft side wall needing formwork erection, then, after workmen uses tie bolt to be fixed by coal mine shaft lining shaft sleeve wall form 16, the rope that coal mine shaft lining shaft sleeve wall form 16 connects is removed.
And in the application of reality, in order to increase work efficiency, the quantity of the electric block 13 that increase circular orbit 12 that can be suitable hangs.
The coal mine shaft lining shaft sleeve wall form conveying arrangement that the present embodiment provides, comprise: coal mine shaft lining pit shaft jacket wall hanging scaffold, circular orbit and electric block, the internal diameter of circular orbit is greater than the external diameter of coal mine shaft lining pit shaft jacket wall hanging scaffold, and be less than the internal diameter of coal mine shaft lining pit shaft, the diametric(al) of circular orbit is parallel with the card of coal mine shaft lining pit shaft jacket wall hanging scaffold, and circular orbit is fixed on immediately below coal mine shaft lining pit shaft jacket wall hanging scaffold by attaching parts, electric block hangs on circular orbit, and electric block can move along circular orbit, one end of the rope of electric block connects the coal mine shaft lining shaft sleeve wall form needing transport, wherein owing to hanging on the electric block on circular orbit, can climbing shuttering, and can move along circular orbit, template is transported to the coal mine shaft lining sidewall locations needing formwork erection, thus effectively alleviate the labour intensity of workmen, improve the efficiency of dismounting template and carrying template, one end further owing to will the coal mine shaft lining shaft sleeve wall form of transport be needed to be connected to electric block, thus effectively improve the safety of operation.
The utility model still another embodiment provides a kind of coal mine shaft lining pit shaft jacket wall hanging scaffold group, comprise hanging scaffold group and coal mine shaft lining shaft sleeve wall form conveying arrangement as shown in Figure 1, and the card of each hanging scaffold in hanging scaffold group is equal and plane-parallel, and form a line, the circular orbit in coal mine shaft lining shaft sleeve wall form conveying arrangement is fixed on immediately below the non-bottom hanging scaffold in hanging scaffold group.
Concrete, the structural representation of the coal mine shaft lining pit shaft jacket wall hanging scaffold group that Fig. 4 provides for the utility model embodiment, the present embodiment is applied to the hanging scaffold group comprising four layers of hanging scaffold, as shown in Figure 4, this hanging scaffold group comprises four layers of hanging scaffold, three electric blocks 26, and each hanging scaffold card all and plane-parallel, and form a line, the circular orbit 28 in coal mine shaft lining shaft sleeve wall form conveying arrangement is fixed on immediately below the 2nd layer of hanging scaffold 22 from top to bottom.
In actual applications, need corresponding coal mine shaft lining shaft sleeve wall form 25 between on the upside of the 4th layer of hanging scaffold 24 from top to bottom and on the downside of third layer hanging scaffold 23 to remove, then by the coal mine shaft lining pit shaft side wall between on the upside of this coal mine shaft lining shaft sleeve wall form 25 formwork erection to third layer hanging scaffold 23 and on the downside of second layer hanging scaffold 22.In work progress, first the workmen in the 4th layer of hanging scaffold 24 card by the rope of electric block 26 with on the upside of the 4th layer of hanging scaffold 24 and on the downside of third layer hanging scaffold 23 between template 25 in corresponding coal mine shaft lining pit shaft side wall reliably connect, then electric block 26 is operated, the rope 261 of electric block 26 is made to be in tight state, now, be positioned in the 4th layer of hanging scaffold 24 card is that the tie bolt on coal mine shaft lining shaft sleeve wall form 25 is removed by workmen, now electric block 26 coal mine shaft lining shaft sleeve wall form 25 to be promoted on the upside of third layer hanging scaffold 23 and on the downside of second layer hanging scaffold 22 between distance, if the position promoted is just in time for needing the coal mine shaft lining pit shaft side wall of formwork erection, the workmen be now positioned in third layer hanging scaffold 23 card uses tie bolt to be fixed in coal mine shaft lining pit shaft side wall by coal mine shaft lining shaft sleeve wall form 25, finally remove the rope 261 be connected with coal mine shaft lining shaft sleeve wall form 25.
Further, if the position promoted is not the coal mine shaft lining pit shaft side wall needing formwork erection, now just need to operate sport car 27, sport car 27 is moved along circular orbit 28, the electric block 22 being connected with coal mine shaft lining shaft sleeve wall form 25 of beneath suspension is moved to the coal mine shaft lining pit shaft side wall needing formwork erection, then the workmen be positioned in third layer hanging scaffold 23 card uses tie bolt to be fixed in coal mine shaft lining pit shaft side wall by coal mine shaft lining shaft sleeve wall form 25, finally removes the rope 261 be connected with coal mine shaft lining shaft sleeve wall form 25.
Further, sport car 27 moves along circular orbit 28, can adopt electronic, also namely, by the switch of operation sport car 27 correspondence, sport car 27 is moved automatically along circular orbit, also can adopt and manually pull sport car 27 to move, the utility model is not limited the mode of motion of sport car.
The coal mine shaft lining pit shaft jacket wall hanging scaffold group that the present embodiment provides, comprises hanging scaffold group and coal mine shaft lining shaft sleeve wall form conveying arrangement as shown in Figure 1, its implementation and technique effect similar, repeat no more herein.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (6)
1. a coal mine shaft lining shaft sleeve wall form conveying arrangement, is characterized in that, comprising: coal mine shaft lining pit shaft jacket wall hanging scaffold, circular orbit and electric block,
The internal diameter of described circular orbit is greater than the external diameter of described coal mine shaft lining pit shaft jacket wall hanging scaffold, and be less than the internal diameter of coal mine shaft lining pit shaft, the diametric(al) of described circular orbit is parallel with the card of described coal mine shaft lining pit shaft jacket wall hanging scaffold, and described circular orbit is fixed on immediately below described coal mine shaft lining pit shaft jacket wall hanging scaffold by attaching parts;
Described electric block hangs on described circular orbit, and described electric block can move along described circular orbit, and one end of the rope of described electric block connects the coal mine shaft lining shaft sleeve wall form needing transport.
2. coal mine shaft lining shaft sleeve wall form conveying arrangement according to claim 1, it is characterized in that, the cross section of described circular orbit is I-shape, described circular orbit comprises top flange part, flank and lower flange part, the flank of described circular orbit is vertical with the card of described hanging scaffold, and described top flange part is fixed on the below of described coal mine shaft lining pit shaft jacket wall hanging scaffold side by attaching parts.
3. coal mine shaft lining shaft sleeve wall form conveying arrangement according to claim 2, it is characterized in that, also comprise sport car, described sport car hangs on described lower flange part, and can move along described circular orbit, described electric block is fixed on the downside of described sport car.
4. coal mine shaft lining shaft sleeve wall form conveying arrangement according to claim 1, is characterized in that, described circular orbit hangs multiple described electric block.
5. a coal mine shaft lining pit shaft jacket wall hanging scaffold group, is characterized in that, comprising: hanging scaffold group, and the coal mine shaft lining shaft sleeve wall form conveying arrangement as described in any one of claim 1-4,
The card of each hanging scaffold in described hanging scaffold group all and plane-parallel, and forms a line;
Circular orbit in described coal mine shaft lining shaft sleeve wall form conveying arrangement is fixed on immediately below the non-bottom hanging scaffold in described hanging scaffold group.
6. coal mine shaft lining pit shaft jacket wall hanging scaffold group according to claim 5, it is characterized in that, described hanging scaffold group is 4 layers, and the circular orbit in described coal mine shaft lining shaft sleeve wall form conveying arrangement is fixed on immediately below the 2nd layer of hanging scaffold from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420481859.4U CN204022307U (en) | 2014-08-25 | 2014-08-25 | Coal mine shaft lining shaft sleeve wall form conveying arrangement and hanging scaffold group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420481859.4U CN204022307U (en) | 2014-08-25 | 2014-08-25 | Coal mine shaft lining shaft sleeve wall form conveying arrangement and hanging scaffold group |
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| Publication Number | Publication Date |
|---|---|
| CN204022307U true CN204022307U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420481859.4U Expired - Fee Related CN204022307U (en) | 2014-08-25 | 2014-08-25 | Coal mine shaft lining shaft sleeve wall form conveying arrangement and hanging scaffold group |
Country Status (1)
| Country | Link |
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| CN (1) | CN204022307U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356590A (en) * | 2018-09-29 | 2019-02-19 | 淮南矿业(集团)有限责任公司 | Erect the construction method of coal bunker in a kind of underground |
| CN110552703A (en) * | 2019-09-27 | 2019-12-10 | 中铁工程装备集团有限公司 | Duct piece mounting system applied to shaft construction |
| CN111734481A (en) * | 2020-07-31 | 2020-10-02 | 湖南科技大学 | Mounting construction method for ore bin lining rail of chute breaking system below 40m |
| CN112551344A (en) * | 2020-12-21 | 2021-03-26 | 山东中清智能科技股份有限公司 | Lifting mechanism of ice block gripping apparatus |
-
2014
- 2014-08-25 CN CN201420481859.4U patent/CN204022307U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356590A (en) * | 2018-09-29 | 2019-02-19 | 淮南矿业(集团)有限责任公司 | Erect the construction method of coal bunker in a kind of underground |
| CN110552703A (en) * | 2019-09-27 | 2019-12-10 | 中铁工程装备集团有限公司 | Duct piece mounting system applied to shaft construction |
| CN110552703B (en) * | 2019-09-27 | 2021-03-12 | 中铁工程装备集团有限公司 | Duct piece mounting system applied to shaft construction |
| CN111734481A (en) * | 2020-07-31 | 2020-10-02 | 湖南科技大学 | Mounting construction method for ore bin lining rail of chute breaking system below 40m |
| CN111734481B (en) * | 2020-07-31 | 2022-03-22 | 湖南科技大学 | Mounting construction method for ore bin lining rail of chute breaking system below 40m |
| CN112551344A (en) * | 2020-12-21 | 2021-03-26 | 山东中清智能科技股份有限公司 | Lifting mechanism of ice block gripping apparatus |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20150825 |
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| EXPY | Termination of patent right or utility model |