CN115321357A - Single track hangs gear drive system - Google Patents
Single track hangs gear drive system Download PDFInfo
- Publication number
- CN115321357A CN115321357A CN202211269614.0A CN202211269614A CN115321357A CN 115321357 A CN115321357 A CN 115321357A CN 202211269614 A CN202211269614 A CN 202211269614A CN 115321357 A CN115321357 A CN 115321357A
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- Prior art keywords
- driving
- gear
- drive
- rack
- frame
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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.)
- Pending
Links
- 230000005484 gravity Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 239000002360 explosive Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
- B66C11/06—Underhung trolleys running on monorails
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
- B66C7/08—Constructional features of runway rails or rail mountings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/14—Trolley or crane travel drives
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention provides a single-rail crane gear driving system, which comprises a rack and a rack driving unit; the toothed rail comprises a plurality of toothed rail sections, clamping parts are symmetrically arranged on two sides of each toothed rail section, and a plurality of rail teeth are arranged at the bottom of each toothed rail section at intervals; a first connecting hanger and a second connecting hanger are respectively arranged in the adjacent areas between two adjacent toothed rail sections; each rack driving unit comprises a driving frame, a bearing wheel, a gear box and a driving unit; the bearing wheel is positioned at the top of the driving frame and is embedded in the clamping part; the gear box is arranged in the driving frame and comprises a driving gear, and the driving gear is meshed with the track teeth; the driving unit is arranged on one side of the driving frame and is connected with a driving gear, and the driving gear is meshed with the track teeth; the drive unit is driven by a gear drive hydraulic system. The monorail crane gear driving system eliminates the risk of slipping between the driving wheel and the track caused by environmental factors and artificial factors, and meanwhile, the cost of the gear driving mode is lower than that of friction driving.
Description
Technical Field
The invention belongs to the field of monorail crane driving equipment, and particularly relates to a monorail crane gear driving system.
Background
The main advantages of a monorail crane and the transportation of the monorail crane are that goods and personnel are transported in special occasions such as coal mine tunnels, road tunnels, railway tunnels and the like, and the main advantages of monorail crane transportation are that: the monorail crane has the advantages that the cross section of the monorail crane is small, and the space utilization rate of the section of a roadway is high; the system can be used for continuous non-transshipment transportation of a drift and an inclined drift, the transportation load of the system is not limited by the conditions of a bottom plate, and the system can operate on various vertical curves, horizontal curves and complex curves; and thirdly, the auxiliary transportation from the stope to the working face without transshipment can be completed, and the auxiliary transportation device can be used for auxiliary transportation operation for connecting the main transportation main roadway and the stope roadway together.
In the prior art, a friction type driving wheel is usually used to be connected with a monorail crane, the friction force of the driving wheel drives a borne object to move along a track, but in a tunnel environment, the friction coefficient between the track and the driving wheel is reduced due to the change of humidity and accumulated water, and the monorail crane driven by the friction force is easy to slip.
In view of the above, a single-track crane gear driving system is needed to solve the above problems.
Disclosure of Invention
Therefore, the invention provides a gear driving system of the monorail crane, which eliminates the risk of slippage between a driving wheel and a track caused by environmental factors and artificial factors, and simultaneously, the cost of the gear driving mode is lower than that of friction driving.
The invention discloses a monorail crane gear driving system, which comprises a rack and a rack driving unit;
the rack comprises a plurality of rack sections which are connected in sequence, the rack sections are symmetrically provided with clamping parts along the center line at two sides of the longitudinal section of the rack section, and the bottom of the rack section is provided with a plurality of track teeth at intervals;
a first connecting hanging piece and a second connecting hanging piece are respectively arranged in the adjacent areas between the two adjacent toothed rail sections;
the first connecting hanger is hinged with the second connecting hanger;
each rack driving unit comprises a driving frame, a bearing wheel, a gear box and a driving unit;
at least one pair of bearing wheels is positioned at the top of the driving frame and is embedded in the clamping part;
the gear box is arranged in the driving frame and comprises at least one driving gear, and the top surface of the driving gear penetrates through the driving frame and is meshed with the track teeth;
the driving unit is arranged on one side of the driving frame, the driving unit is connected with the driving gear to drive the driving gear to rotate, and the top surface of the driving gear penetrates through the top of the driving frame and is meshed with the track teeth;
the drive unit is driven by a gear drive hydraulic system.
Further preferably, a height adjusting support is arranged in the driving frame, the height adjusting support is located in the driving frame, one end of the height adjusting support is hinged to the inner wall of the driving frame, and the rotation center of the driving gear or the gear box is fixed to the height adjusting support through a rotating shaft.
Further preferably, a first mounting plate and a second mounting plate are arranged at the top of the driving frame, and the first mounting plate and the second mounting plate are parallel to each other and are respectively arranged on two sides of the gear box;
the bearing wheels are positioned above the gear box, and one of the bearing wheels in each pair is arranged on the first mounting plate, and the other bearing wheel in each pair is arranged on the second mounting plate.
Further preferably, the driving frame is provided with a counterweight at the opposite side of the driving unit, so that the connecting line between the center of gravity of the rack driving unit and the center of the driving frame is located on the center line of the cross section of the rack.
Further preferably, the rack rail comprises at least one pair of guide blocks, wherein the pair of guide blocks are respectively installed on the inner sides of the first installation plate and the second installation plate and are embedded with the clampable parts of the rack rail sections;
if the bearing wheels are in multiple pairs, at least one pair of guide blocks is arranged between every two adjacent pairs of bearing wheels.
Further preferably, the device also comprises a first connecting piece and a second connecting piece, wherein the first connecting piece is arranged at the front end of the driving frame through a first connecting plate; the second connecting piece is arranged at the rear end of the driving frame through a second connecting plate.
Further preferably, the drive unit includes a drive motor and a drive flange, the drive motor being connected to the drive shaft through the drive flange and to the drive gear through the drive shaft.
Furthermore, the driving frame is provided with a protective cover on one side of the driving unit and above the driving unit.
Furthermore, the double-lifting lug plate consists of a pair of parallel first lifting plates, a first connecting hole penetrates through the side walls of the pair of first lifting plates, the pair of first lifting plates are hinged and connected with a T-shaped plate through the first connecting hole, the T-shaped plate is provided with a vertical section and a horizontal section, and the second lifting plate is positioned below the vertical section of the T-shaped plate when penetrating through the pair of first lifting plates; the horizontal segment both ends of T template all are equipped with the horizontal end connecting hole, two the horizontal segment connecting hole all is connected to through the chain and links the round pin board, link round pin board top chain to hoist.
Compared with the prior art, the technical scheme of the invention has the following advantages:
the monorail crane comprises a rack and a rack driving unit, wherein the rack driving unit specifically comprises a driving frame, a bearing wheel, a gear box and a driving unit, in the structure, a driving wheel set and a transmission gear are matched to drive a monorail crane to move on the rack, the bearing wheel is a bearing structure, the friction between the bearing wheel and a monorail bearing surface is small, the required driving force is small, the driving gear is only used as a transmission structure, load transmission is not needed, the transmission is smoother, and the abrasion is smaller; meanwhile, the rack driving unit is simple in structure and high in efficiency.
Drawings
FIG. 1 is a schematic diagram of an overall structure provided by an embodiment of the present invention;
FIG. 2 is a second schematic structural diagram provided in the present embodiment;
FIG. 3 is a third schematic structural diagram provided by an embodiment of the present invention;
FIG. 4 is a first schematic diagram of an explosive structure provided by an embodiment of the present invention;
FIG. 5 is a meshing schematic of a drive gear provided by an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a hydraulic transmission provided by an embodiment of the present invention;
FIG. 7 is a second schematic diagram of an explosive structure according to an embodiment of the present invention;
figure 8 is a schematic diagram of the mating of a first attachment hanger with a second attachment hanger provided by an embodiment of the present invention.
Wherein, 1, a driving frame; 2. a rack rail; 3. a first connecting hanger; 4. a second connecting hanger; 5. a clampable portion; 6. a load wheel; 7. a guide block; 8. a height adjustment bracket; 9. a drive unit; 10. a first connecting plate; 11. a second connecting plate; 13. a second connecting member; 14. a first connecting member; 15. a first mounting plate; 16. a second mounting plate; 17. a protective cover; 18. a gear case; 19. a counterweight; 20. a drive gear; 21. milling a groove; 22. a slide plate; 23. a T-shaped plate; 24. a link pin plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The single-track crane gear driving system of the invention, as shown in figures 1-2, comprises a rack and a rack unit.
Referring to fig. 1, the rack 2 includes a plurality of rack 2 sections connected in sequence, only two connected rack 2 sections are shown in fig. 1, the rack 2 sections are symmetrically provided with clampable portions 5 along the center line at both sides of the longitudinal section, and the bottom of the rack 2 sections is provided with rack teeth at intervals. In the present embodiment, the clampable portions 5 are concave and are disposed along the length direction of the rack 2 segment, so that the cross section of the rack 2 segment is i-shaped, and it should be noted that the shape of the clampable portions 5 is not limited to the shape shown in fig. 1, and the cross section of the rack 2 segment is not limited to the i-shaped.
It should be noted that the rack 2 in the present embodiment is configured such that the rack teeth are directly provided under the conventional rail by friction driving, and the friction driving is performed by the friction driving performed by the pair of driving wheels gripping the clampable portions 5 of the rack 2, so that the rack 2 in the present embodiment can be used alone with the friction driving unit 9.
A first connecting hanger 3 and a second connecting hanger 4 are arranged in the adjoining area between two adjacent tooth rail 2 sections, in this embodiment, the first connecting hanger 3 is a single-lug hanger plate, and the second connecting hanger 4 is a double-lug hanger plate.
As shown in fig. 8, the double-lug plate is composed of a pair of parallel hanging plates, a first connection hole is formed through the side wall of each hanging plate, the T-shaped plate 23 is connected through the first connection hole in a hinged manner, the T-shaped plate 23 has a vertical section and a horizontal section, and the single-lug hanging plate is located below the vertical section of the T-shaped plate 23 when passing through the pair of hanging plates; horizontal end connecting holes are formed in two ends of a horizontal section of the T-shaped plate 23, the two horizontal section connecting holes are connected to a connecting pin plate 24 through chains, and the top of the connecting pin plate 24 is connected with a chain to a lifting appliance (not shown in the figure).
Referring to fig. 1-5, each rack drive unit includes a drive rack 1, a carrier wheel 6, a gear box 18, and a drive assembly. The driving frame 1 is provided with a first mounting plate 15, a second mounting plate 16, a first connecting piece 14, a second connecting piece 13, a first connecting plate 10 and a second connecting plate 11.
The gear box 18 is arranged in the center of the interior of the driving frame 1, a driving gear 20 is arranged in the gear box 18, the driving gear 20 is driven by the driving unit 9, the driving unit 9 is arranged on one side of the driving frame 1, the driving unit 9 is connected with the driving gear 20 to drive the driving gear 20, specifically, in the embodiment, the driving unit 9 comprises a driving motor and a driving flange, the driving motor is connected to the driving gear 20 after being connected to a transmission shaft through the driving flange, and the driving motor is driven by hydraulic pressure and is implemented by a gear-driven hydraulic system as shown in fig. 6.
As shown in fig. 6, the gear-driven hydraulic system includes a brake circuit, and accordingly, the drive motor in this embodiment has a hydraulic brake unit, and braking can be achieved without additionally providing a brake unit.
The first mounting plate 15 and the second mounting plate 16 are disposed on the top of the driving frame 1 and disposed parallel to each other on two sides of the gear box 18, two pairs of carrying wheels 6 in this embodiment are disposed on the first mounting plate 15 and the second mounting plate 16 and above the gear box 18, one of the carrying wheels 6 of each pair is disposed on the first mounting plate 15, and the other is disposed on the second mounting plate 16, and the two pairs of carrying wheels 6 are engaged with the clampable portion 5 of the rack 2 section, so that the two pairs of carrying wheels 6 continuously clamp the clampable portion 5 to carry the whole driving frame 1.
As shown in fig. 7, the first mounting plate 15 and the second mounting plate 16 of the driving frame 1 are provided with milled grooves 21, and the bearing wheels 6 are bolted to a sliding plate 22 and connected after sliding into the milled grooves 21 through the sliding plate 22, so that the bearing wheels 6 can be mounted and replaced, and the bearing wheels 6 can be replaced after being worn.
Between the two pairs of carrier wheels 6, a pair of guide blocks 7 are provided, and the pair of guide blocks 7 are respectively mounted on the opposite inner sides of the first mounting plate 15 and the second mounting plate 16 and are engaged with the clampable portions 5 of the rack 2 section to provide a guiding function.
The first connecting piece 14 is arranged at the front end of the driving frame 1 through a first connecting plate 10; the second connecting piece 13 is arranged at the rear end of the driving frame 1 through a second connecting plate 11. The first connecting piece 14 and the second connecting piece 13 are pin shafts.
Preferably, the driving assembly is located on one side of the driving rack 1, and a counterweight 19 is arranged on the other side of the driving rack 1, so that a connecting line between the gravity center of the rack driving unit and the gravity center of the rack 2 is located on a cross-section central line of the rack 2. The weight member has a shape substantially similar to that of the assembly and a weight substantially equal to that of the assembly, and is mounted on a reinforcing plate on the opposite side of the driving motor by a fastener. The arrangement of the counterweight is adapted to balance the forces of the drive assembly on the gear box 18.
Preferably, a height adjusting bracket 8 is arranged in the driving frame 1, the height adjusting bracket 8 is positioned in the driving frame 1, one end of the height adjusting bracket 8 is hinged to the inner wall of the driving frame 1, and the rotation center of the driving gear 20 or the gear box 18 is fixed to the height adjusting bracket 8 through a rotating shaft.
Furthermore, the driving frame 1 is provided with a housing on one side of the driving component, and the housing is used for protecting the driving component and plays a certain role in water resistance and dust resistance.
Preferably, the driving gear 20 is a spur gear, and as shown in fig. 5, the meshing between the tooth track 2 and the driving gear 20 is schematically illustrated.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (8)
1. A single-rail crane gear driving system is characterized by comprising a rack and a rack driving unit;
the rack comprises a plurality of rack sections which are connected in sequence, the rack sections are symmetrically provided with clamping parts along the center line at two sides of the longitudinal section of the rack section, and the bottom of the rack section is provided with a plurality of track teeth at intervals;
a first connecting hanger and a second connecting hanger are respectively arranged in the adjacent areas between two adjacent rack rail sections;
the first connecting hanging piece is hinged with the second connecting hanging piece;
each rack driving unit comprises a driving frame, a bearing wheel, a gear box and a driving unit;
at least one pair of bearing wheels is positioned at the top of the driving frame and is embedded in the clamping part;
the gear box is arranged in the driving frame and comprises at least one driving gear, and the top surface of the driving gear penetrates through the driving frame and is meshed with the track teeth;
the driving unit is arranged on one side of the driving frame, the driving unit is connected with the driving gear to drive the driving gear to rotate, and the top surface of the driving gear penetrates through the top of the driving frame and is meshed with the track teeth;
the driving unit drives the monorail crane gear driving system through a gear driving hydraulic system; be equipped with the altitude mixture control support in the drive frame, the altitude mixture control support be located in the drive frame and one end articulated connect in the inner wall of drive frame, drive gear's rotation center or the gear box is fixed extremely through the pivot the altitude mixture control support.
2. The monorail crane gear drive system of claim 1, wherein a first mounting plate and a second mounting plate are disposed on the top of the drive frame, and the first mounting plate and the second mounting plate are parallel to each other and disposed on two sides of the gearbox respectively;
the bearing wheels are positioned above the gear box, and one of the bearing wheels in each pair is arranged on the first mounting plate and the other bearing wheel in each pair is arranged on the second mounting plate.
3. A monorail crane gear drive system as defined in claim 2, wherein said drive frame is provided with a counterweight on an opposite side of said drive unit such that a line connecting a center of gravity of said rack drive unit and a center of said drive frame is located on a midline of said rack cross-section.
4. A monorail hoist gear drive system as defined in claim 3, including at least a pair of guide blocks, each of said pair of guide blocks being mounted on an inner side of said first mounting plate and said second mounting plate, and being engaged with said clampable portion of said monorail section;
if the bearing wheels are in multiple pairs, at least one pair of guide blocks is arranged between every two adjacent pairs of bearing wheels.
5. The monorail hoist gear drive system of claim 1, further comprising a first connector and a second connector, wherein the first connector is disposed at a front end of the drive frame through a first connector plate; the second connecting piece is arranged at the rear end of the driving frame through a second connecting plate.
6. A monorail hoist gear drive system as defined in claim 5, wherein said drive unit includes a drive motor and a drive flange, said drive motor being connected to said drive shaft through said drive flange and said connection to a drive gear through said drive shaft.
7. A monorail crane gear drive system as defined in claim 1, wherein said drive frame is provided with a protective cover on one side of said drive unit, above said drive unit.
8. The monorail hoist gear drive system of claim 1, wherein the first connecting hoist is a single lug hoist plate and the second connecting hoist is a double lug hoist plate; the double-lug plate is composed of a pair of parallel hanging plates, a first connecting hole is formed in the side wall of each hanging plate in a penetrating mode, the T-shaped plate is connected through the first connecting holes in a hinged mode and is provided with a vertical section and a horizontal section, and the single-lug hanging plate is located below the vertical section of the T-shaped plate when penetrating through the pair of hanging plates; the horizontal segment both ends of T template all are equipped with the horizontal end connecting hole, two the horizontal segment connecting hole all is connected to the pin board that links through the chain, link pin board top link chain to hoist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211269614.0A CN115321357A (en) | 2022-10-18 | 2022-10-18 | Single track hangs gear drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211269614.0A CN115321357A (en) | 2022-10-18 | 2022-10-18 | Single track hangs gear drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115321357A true CN115321357A (en) | 2022-11-11 |
Family
ID=83915516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211269614.0A Pending CN115321357A (en) | 2022-10-18 | 2022-10-18 | Single track hangs gear drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115321357A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115849220A (en) * | 2023-02-22 | 2023-03-28 | 云南星石科技有限公司 | Pneumatic gear driving system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2084104A (en) * | 1980-09-23 | 1982-04-07 | Kloeckner Becorit Gmbh | Hoist beam with carriages which ore movable on an overhead track |
| CN103508321A (en) * | 2013-09-22 | 2014-01-15 | 北京凯润机电设备制造有限责任公司 | Hydraulic control device for monorail locomotive |
| CN105752838A (en) * | 2016-03-30 | 2016-07-13 | 长治市潞安合力机械有限责任公司 | Large-dip-angle monorail crane rail |
| CN108675129A (en) * | 2018-08-15 | 2018-10-19 | 尤洛卡（山东）矿业科技有限公司 | A kind of monorail crane rack drives device |
| CN110626944A (en) * | 2019-10-17 | 2019-12-31 | 云南星石科技有限公司 | Gear driving device for monorail hoist |
| CN209890092U (en) * | 2018-11-06 | 2020-01-03 | 云南星石科技有限公司 | Single-rail hanger rack rail and hanger thereof |
| CN113086839A (en) * | 2021-04-29 | 2021-07-09 | 云南星石科技有限公司 | Single track hangs track cable suspension device and single track |
| CN113371598A (en) * | 2021-07-22 | 2021-09-10 | 安徽德高矿山科技有限公司 | Single track hangs heavy rail linkage and track system |
| CN113620171A (en) * | 2021-07-20 | 2021-11-09 | 中国矿业大学 | Single track hangs detachable cogged rail drive arrangement suitable for heavy grade |
-
2022
- 2022-10-18 CN CN202211269614.0A patent/CN115321357A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2084104A (en) * | 1980-09-23 | 1982-04-07 | Kloeckner Becorit Gmbh | Hoist beam with carriages which ore movable on an overhead track |
| CN103508321A (en) * | 2013-09-22 | 2014-01-15 | 北京凯润机电设备制造有限责任公司 | Hydraulic control device for monorail locomotive |
| CN105752838A (en) * | 2016-03-30 | 2016-07-13 | 长治市潞安合力机械有限责任公司 | Large-dip-angle monorail crane rail |
| CN108675129A (en) * | 2018-08-15 | 2018-10-19 | 尤洛卡（山东）矿业科技有限公司 | A kind of monorail crane rack drives device |
| CN209890092U (en) * | 2018-11-06 | 2020-01-03 | 云南星石科技有限公司 | Single-rail hanger rack rail and hanger thereof |
| CN110626944A (en) * | 2019-10-17 | 2019-12-31 | 云南星石科技有限公司 | Gear driving device for monorail hoist |
| CN113086839A (en) * | 2021-04-29 | 2021-07-09 | 云南星石科技有限公司 | Single track hangs track cable suspension device and single track |
| CN113620171A (en) * | 2021-07-20 | 2021-11-09 | 中国矿业大学 | Single track hangs detachable cogged rail drive arrangement suitable for heavy grade |
| CN113371598A (en) * | 2021-07-22 | 2021-09-10 | 安徽德高矿山科技有限公司 | Single track hangs heavy rail linkage and track system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115849220A (en) * | 2023-02-22 | 2023-03-28 | 云南星石科技有限公司 | Pneumatic gear driving system |
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Application publication date: 20221111 |