CN113931684A - Material transportation equipment for large-inclination-angle tunnel - Google Patents
Material transportation equipment for large-inclination-angle tunnel Download PDFInfo
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- CN113931684A CN113931684A CN202111381046.9A CN202111381046A CN113931684A CN 113931684 A CN113931684 A CN 113931684A CN 202111381046 A CN202111381046 A CN 202111381046A CN 113931684 A CN113931684 A CN 113931684A
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- tunnel
- screw rod
- sliding
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- 239000000463 material Substances 0.000 title claims abstract description 66
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 15
- 239000003638 chemical reducing agent Substances 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 230000002265 prevention Effects 0.000 abstract 1
- 238000013016 damping Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000032258 transport Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/04—Transport of mined material in gravity inclines; in staple or inclined shafts
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/006—Equipment transport systems
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses material transportation equipment for a large-inclination tunnel, which comprises a material storage box, a movable plate, a bidirectional screw rod, a supporting plate and a side plate, wherein the movable plate is arranged on the material storage box; the bottom of the material storage box is provided with a bottom plate, the movable plates are symmetrically arranged inside the bottom plate, one sides of the movable plates, which are close to each other, are provided with convex blocks, and the convex blocks are rotatably provided with two connecting rods; the bidirectional screw rod is rotationally arranged inside the bottom plate and is in driving connection through a motor, the two ends of the bidirectional screw rod are provided with first sliding blocks, and the other end of the connecting rod is rotationally connected with the first sliding blocks; the supporting plate is arranged on the material storage box, a fixing plate is arranged above the supporting plate, a second hydraulic cylinder is vertically and downwards arranged on the fixing plate, and a pressing plate is arranged at the output end of the second hydraulic cylinder; the curb plate rotates to set up on the storage case, sets up the row's silo on the storage case, and the both sides of arranging the silo all set up the arc wall, and it sets up the baffle to slide in the arc wall, and the baffle is connected with the curb plate. The invention has the advantages of convenient loading and unloading and effective prevention of vehicle sliding.
Description
Technical Field
The invention relates to the technical field of tunnel construction equipment, in particular to material transportation equipment for a tunnel with a large inclination angle.
Background
In the process of tunnel construction, a track is usually laid in a tunnel, and then a rail car is used for inputting and outputting materials. In some road sections, the gradient of the tunnel is large, when the rail car transports materials, the situation that the rail car still slips down the slope under the condition of wheel braking still occurs, the frequency of the situation becomes larger along with the increase of the inclination angle of the tunnel, and the existing material transporting equipment is lack of an effective auxiliary braking structure. The existing device is very troublesome in the process of loading and unloading, and meanwhile, the existing equipment has poor functionality, is easy to fall off when the transport length exceeds the pipe or steel of the transport equipment, and has high danger.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the material transportation equipment for the tunnel with the large inclination angle, which can effectively prevent the equipment from sliding down the slope, is convenient to load and unload when transporting pipes with large length, and has high safety.
In order to achieve the purpose, the invention is realized by the following technical scheme: a material transportation device for a tunnel with a large inclination angle comprises a material storage box, a movable plate, a bidirectional screw rod, a supporting plate and a side plate; the bottom of the material storage box is provided with wheels, the bottom of the material storage box is provided with a bottom plate, and the bottom plate is provided with a motor; the movable plates are symmetrically arranged inside the bottom plate and are connected with the bottom plate in a sliding mode, one sides, close to each other, of the movable plates are provided with lugs, and the lugs are rotatably provided with two connecting rods; the bidirectional screw rod is rotatably arranged inside the bottom plate and is in driving connection through a motor, two first sliding blocks are symmetrically arranged at two ends of the bidirectional screw rod in a threaded manner, and the other end of the connecting rod is respectively in rotating connection with the first sliding block at the corresponding side; the supporting plate is arranged on the material storage box, the fixing plate is arranged above the supporting plate, a second hydraulic cylinder is vertically and downwards arranged on the fixing plate, the output end of the second hydraulic cylinder is provided with a pressing plate, the pressing plate is in sliding fit with the supporting plate, and elastic clamping blocks are arranged on the sides, close to each other, of the pressing plate and the supporting plate; the side plate is rotatably arranged on the storage box, the storage box is provided with a discharge chute, arc-shaped grooves are arranged on two sides of the discharge chute, a baffle is arranged in the arc-shaped grooves in a sliding manner, and the baffle is connected with the side plate; the side plate is further provided with a hook, the storage box is provided with a hasp, and the hasp is matched with the hook.
In order to better realize the invention, a connecting plate is further arranged below the material storage box, and the wheels are rotationally connected with the connecting plate; the bottom of the material storage box is provided with a bearing plate, and two ends of the bearing plate are respectively inserted into the corresponding side connecting plates and are in sliding connection with the corresponding side connecting plates.
In order to better implement the invention, a shock absorption assembly is further arranged in the connecting plate, and one end, inserted into the connecting plate, of the bearing plate is connected with the shock absorption assembly.
In order to better realize the invention, a speed reducer is further arranged on the bottom plate, the input end of the speed reducer is connected with the output end of the motor, gears are arranged on the output end of the speed reducer and the end part of the bidirectional screw rod, and the two gears are meshed.
In order to better realize the invention, further, two top plates are symmetrically and rotatably arranged on the material storage box, and second sliding blocks are arranged below the top plates in a sliding manner; the storage box is provided with two installation boxes, a first hydraulic cylinder is arranged in each installation box, and the output end of each first hydraulic cylinder is rotatably connected with the corresponding second sliding block.
In order to better realize the invention, the vehicle body further comprises two rails, the two rails are arranged in parallel, the wheels on two sides are respectively in rolling connection with the corresponding side rails, and the bottom plate is positioned between the two side rails.
In order to better realize the invention, a disc-shaped limiting block is further arranged on the inner side of the wheel, and the outer side of the limiting block is abutted against the inner side of the track.
In order to better implement the invention, the bottom of the storage box is inclined, and the side with the lower height of the bottom of the storage box faces the discharge chute.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) by arranging the damping assembly, the invention avoids the severe vibration generated when the equipment rolls the obstacles on the track in the moving process, and improves the running stability of the equipment;
(2) according to the invention, the movable plate is arranged, and the movable plate supports against the inner side of the track when moving towards two sides, so that the friction force between the equipment and the track is increased, and the device cannot slide when parking in a large-inclination tunnel;
(3) the speed reducer is arranged, so that the driving force of the bidirectional screw rod during rotation can be effectively increased; by arranging the top plate, when materials are stored in the material storage box, the materials can be placed to be scattered by covering the top plate, and by arranging the matching structure of the first hydraulic cylinder and the first sliding block, the automatic control of opening and closing of the top plate can be realized;
(4) according to the invention, through the arrangement of the supporting plate and the pressing plate, materials such as pipes with large lengths are placed between the supporting plate and the pressing plate, and are further fixed through the elastic clamping blocks on the inner sides of the supporting plate and the pressing plate, so that the falling of the materials such as the pipes is effectively prevented;
(5) the invention has reasonable structure and perfect functions, can easily unload materials, is very simple and practical to operate, solves the problem that the existing transportation device has material falling risks during loading and unloading loads, and is suitable for wide popularization and application.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic front perspective view of the present invention;
FIG. 2 is a schematic perspective view of the back side of the present invention;
fig. 3 is a schematic view of the internal structure of the base plate according to the present invention.
Wherein: 1-storage box, 2-wheel, 3-connecting plate, 4-damper, 5-bearing plate, 6-bottom plate, 7-motor, 8-speed reducer, 9-fly leaf, 10-lug, 11-connecting rod, 12-two-way lead screw, 13-first slider, 14-gear, 15-roof, 16-second slider, 17-install bin, 18-first pneumatic cylinder, 19-backup pad, 20-elastic clamping block, 21-fixed plate, 22-second pneumatic cylinder, 23-clamp plate, 24-row material groove, 25-curb plate, 26-baffle, 27-couple, 28-hasp.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
the main structure of the present embodiment, as shown in fig. 1 to 3, includes a material storage box 1, a movable plate 9, a bidirectional screw rod 12, a support plate 19 and a side plate 25; the bottom of the material storage box 1 is provided with wheels 2, the bottom of the material storage box 1 is provided with a bottom plate 6, and the bottom plate 6 is provided with a motor 7; the movable plates 9 are symmetrically arranged inside the bottom plate 6, the movable plates 9 are connected with the bottom plate 6 in a sliding mode, one sides, close to each other, of the movable plates 9 are provided with lugs 10, and the lugs 10 are rotatably provided with two connecting rods 11; the bidirectional screw rod 12 is rotatably arranged inside the bottom plate 6, the bidirectional screw rod 12 is in driving connection through the motor 7, two first sliding blocks 13 are symmetrically arranged at two ends of the bidirectional screw rod 12 in a threaded manner, and the other end of the connecting rod 11 is respectively in rotating connection with the first sliding block 13 on the corresponding side; the supporting plate 19 is arranged on the material storage box 1, a fixing plate 21 is arranged above the supporting plate 19, a second hydraulic cylinder 22 is vertically and downwardly arranged on the fixing plate 21, a pressing plate 23 is arranged at the output end of the second hydraulic cylinder 22, the pressing plate 23 is in sliding fit with the supporting plate 19, and elastic clamping blocks 20 are arranged on the sides, close to each other, of the pressing plate 23 and the supporting plate 19; the side plate 25 is rotatably arranged on the storage box 1, the storage box 1 is provided with a discharge chute 24, arc-shaped grooves are formed in two sides of the discharge chute 24, a baffle 26 is slidably arranged in the arc-shaped grooves, and the baffle 26 is connected with the side plate 25; the side plate 25 is further provided with a hook 27, the material storage box 1 is provided with a hasp 28, and the hasp 28 is matched with the hook 27.
The specific implementation mode is that when the material storage box 1 moves to a specified position, the wheel 2 brakes, the motor 7 rotates at the same time, the motor 7 rotates to drive the speed reducer 8 to rotate, the gear 14 on the speed reducer 8 rotates with the gear 14 on the bidirectional screw 12, the bidirectional screw 12 rotates synchronously, the first sliding blocks 13 on two sides are close to each other, the connecting rod 11 pushes the movable plate 9 to move in the opposite direction at the moment, the outer side of the movable plate 9 is abutted to the inner side wall of the track, the friction force between the equipment and the track is effectively increased, and the equipment is prevented from sliding;
after the equipment is stopped stably, materials are filled into the storage box 1 from an opening above the storage box; after the purpose is achieved, the hasp 28 is opened, the side plate 25 is opened, the material slides to an inclined plate formed by the side plate 25 from the discharge groove 24 and finally falls on a discharge area, and after the discharge is finished, the side plate 25 is closed;
when materials with the length larger than that of the material storage box 1 need to be transported, the materials are placed on the inner side of the supporting plate 19, and the bottoms of the materials fall on the elastic fixture blocks 20 below; the second hydraulic cylinder 22 is started, the second hydraulic cylinder 22 pushes the pressing plate 23 to slide downwards, the pressing plate is pressed tightly from the upper side of the material, and the material is effectively prevented from falling.
Example 2:
in this embodiment, on the basis of the above embodiment, a connecting plate 3 and a bearing plate 5 are further added, as shown in fig. 2, the connecting plate 3 is arranged below the material storage tank 1, and the wheel 2 is rotatably connected with the connecting plate 3; the bottom of the material storage box 1 is provided with a bearing plate 5, and two ends of the bearing plate 5 are respectively inserted into the corresponding side connecting plates 3 and are in sliding connection with the corresponding side connecting plates. The connecting plate 3 is used to connect two wheels 2, and can protect the wheels 2. The bearing plate 5 is used for bearing the weight of the upper part and keeping the overall stability of the material transportation equipment. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 3:
in this embodiment, on the basis of the above embodiment, a damping component 4 is further added, as shown in fig. 1, the damping component 4 is arranged in the connecting plate 3, and one end of the bearing plate 5 inserted into the connecting plate 3 is connected with the damping component 4. Dust or soil and the like are easily covered on the track in the tunnel, the equipment can vibrate when in the moving process and the wheels 2 are in contact with the covering on the track, and the damping assembly 4 can be used for effectively playing a role in buffering. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 4:
in this embodiment, a speed reducer 8 is further added on the basis of the above embodiment, as shown in fig. 3, the bottom plate 6 is provided with the speed reducer 8, an input end of the speed reducer 8 is connected with an output end of the motor 7, output ends of the speed reducer 8 and end portions of the bidirectional screw 12 are both provided with gears 14, and the two gears 14 are meshed. The speed reducer 8 is used for reducing the speed of the material transportation equipment under inertia when the transportation speed is too high, so that the safety and stability of material transportation are ensured. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 5:
in the present embodiment, on the basis of the above embodiments, the structure of the magazine 1 is further defined, as shown in fig. 1, two top plates 15 are symmetrically and rotatably disposed on the magazine 1, and second sliders 16 are slidably disposed below the top plates 15; two installation boxes 17 are arranged on the material storage box 1, a first hydraulic cylinder 18 is arranged in each installation box 17, and the output end of each first hydraulic cylinder 18 is rotatably connected with the corresponding second sliding block 16. When charging, the first hydraulic cylinder 18 is started, and the first hydraulic cylinder 18 extends out and pushes the top plates 15 at the two sides to open; after the loading is finished, the first hydraulic cylinder 18 is started to retract, and the top plate 15 is automatically closed under the pulling of the second sliding block 16, so that the materials are effectively prevented from being scattered in the transportation process. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 6:
in this embodiment, on the basis of the above embodiment, a rail is further added, as shown in fig. 1, the vehicle further includes two rails, the two rails are arranged in parallel, the wheels 2 on both sides are respectively connected with the rails on the corresponding sides in a rolling manner, and the bottom plate 6 is located between the rails on both sides. The track is for the better operation of material transport equipment. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 7:
this embodiment has further add the stopper on the basis of above-mentioned embodiment, the inboard of wheel 2 sets up the disc stopper, the outside and the orbital inboard butt of stopper. The limiting block is mainly used for limiting the wheels 2 and preventing the wheels from sliding out of the track. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 8:
this embodiment is based on the above embodiment, and further defines the storage bin 1, the bottom of the storage bin 1 is disposed obliquely, and the lower side of the bottom of the storage bin 1 faces the discharge chute 24. The storage box 1 is arranged in such a structure, so that the material can be poured more conveniently. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
It will be appreciated that the principles and operation of the structure of the material handling apparatus according to one embodiment of the present invention, such as the wheel 2 and gear 14, are well known in the art and will not be described in detail herein.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A material transportation device for a tunnel with a large inclination angle is characterized by comprising a material storage box (1), a movable plate (9), a bidirectional screw rod (12), a supporting plate (19) and a side plate (25); the bottom of the material storage box (1) is provided with wheels (2), the bottom of the material storage box (1) is provided with a bottom plate (6), and the bottom plate (6) is provided with a motor (7); the movable plates (9) are symmetrically arranged inside the bottom plate (6), the movable plates (9) are connected with the bottom plate (6) in a sliding mode, one sides, close to each other, of the movable plates (9) are provided with lugs (10), and the lugs (10) are rotatably provided with two connecting rods (11); the bidirectional screw rod (12) is rotatably arranged inside the bottom plate (6), the bidirectional screw rod (12) is in driving connection through the motor (7), two first sliding blocks (13) are symmetrically arranged at two ends of the bidirectional screw rod (12) in a threaded manner, and the other end of the connecting rod (11) is respectively in rotating connection with the first sliding block (13) on the corresponding side; the supporting plate (19) is arranged on the material storage box (1), a fixing plate (21) is arranged above the supporting plate (19), a second hydraulic cylinder (22) is vertically and downwards arranged on the fixing plate (21), a pressing plate (23) is arranged at the output end of the second hydraulic cylinder (22), the pressing plate (23) is in sliding fit with the supporting plate (19), and elastic clamping blocks (20) are arranged on the sides, close to each other, of the pressing plate (23) and the supporting plate (19); the side plate (25) is rotatably arranged on the storage box (1), a discharge groove (24) is formed in the storage box (1), arc-shaped grooves are formed in the two sides of the discharge groove (24), a baffle plate (26) is arranged in the arc-shaped grooves in a sliding mode, and the baffle plate (26) is connected with the side plate (25); still be equipped with couple (27) on curb plate (25), set up hasp (28) on storage case (1), hasp (28) and couple (27) cooperation.
2. The material transportation equipment for the tunnel with the large inclination angle is characterized in that a connecting plate (3) is arranged below the material storage box (1), and the wheels (2) are rotatably connected with the connecting plate (3); the bottom of the material storage box (1) is provided with a bearing plate (5), and two ends of the bearing plate (5) are respectively inserted into the corresponding side connecting plates (3) and are in sliding connection with the corresponding side connecting plates.
3. The material transportation equipment for the tunnel with the large inclination angle according to the claim 1 is characterized in that a shock absorption assembly (4) is arranged in the connecting plate (3), and one end of the bearing plate (5) inserted into the connecting plate (3) is connected with the shock absorption assembly (4).
4. The material transportation equipment for the tunnel with the large inclination angle according to claim 1 is characterized in that a speed reducer (8) is arranged on the bottom plate (6), the input end of the speed reducer (8) is connected with the output end of the motor (7), gears (14) are arranged on the output end of the speed reducer (8) and the end of the bidirectional screw rod (12), and the two gears (14) are meshed.
5. The material conveying equipment for the tunnel with the large inclination angle is characterized in that two top plates (15) are symmetrically and rotatably arranged on the storage box (1), and a second sliding block (16) is arranged below each top plate (15) in a sliding manner; two installation boxes (17) are arranged on the storage box (1), a first hydraulic cylinder (18) is arranged in each installation box (17), and the output end of each first hydraulic cylinder (18) is rotatably connected with the corresponding second sliding block (16).
6. The material transportation equipment for the tunnel with the large inclination angle is characterized by further comprising two rails, wherein the two rails are arranged in parallel, the wheels (2) on two sides are respectively in rolling connection with the corresponding side rails, and the bottom plate (6) is located between the two side rails.
7. The material transportation equipment for the tunnel with the large inclination angle as claimed in claim 1 or 5, wherein a disc-shaped limiting block is arranged on the inner side of the wheel (2), and the outer side of the limiting block is abutted with the inner side of the track.
8. The material transporting equipment for the tunnel with the large inclination angle as claimed in claim 1, characterized in that the bottom of the storage bin (1) is arranged obliquely, and the side of the storage bin (1) with the lower height is towards the discharging chute (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111381046.9A CN113931684B (en) | 2021-11-20 | 2021-11-20 | Material conveying equipment for large-dip-angle tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111381046.9A CN113931684B (en) | 2021-11-20 | 2021-11-20 | Material conveying equipment for large-dip-angle tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113931684A true CN113931684A (en) | 2022-01-14 |
| CN113931684B CN113931684B (en) | 2024-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111381046.9A Active CN113931684B (en) | 2021-11-20 | 2021-11-20 | Material conveying equipment for large-dip-angle tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113931684B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114013468A (en) * | 2021-11-20 | 2022-02-08 | 中铁建大桥工程局集团第五工程有限公司 | Tunnel is with preventing swift current car device |
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| CN101205041A (en) * | 2006-12-22 | 2008-06-25 | 田玉杲 | Underground orbit mine car running system |
| CN103419809A (en) * | 2013-05-10 | 2013-12-04 | 金力 | Self-braking inclined shaft catcher |
| CN108382416A (en) * | 2018-03-20 | 2018-08-10 | 中山市丰申电器有限公司 | A kind of brake apparatus |
| CN108556870A (en) * | 2017-12-18 | 2018-09-21 | 方特欢乐世界（芜湖）经营管理有限公司 | A kind of railcar of dual auxiliary braking |
| CN209176711U (en) * | 2018-10-08 | 2019-07-30 | 青岛精良机械有限公司 | A kind of novel track vehicle brake gear |
| CN210416577U (en) * | 2019-08-27 | 2020-04-28 | 宜宾学院 | Colliery inclined shaft mine car protector |
| CN111267879A (en) * | 2020-03-06 | 2020-06-12 | 张桂花 | Railway transportation device for building equipment |
| CN212709419U (en) * | 2020-06-23 | 2021-03-16 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Rail wheel locking mechanism and mounting structure thereof |
| CN213354466U (en) * | 2020-10-10 | 2021-06-04 | 中铁建大桥工程局集团第一工程有限公司 | Deep cutting large inclination angle tunnel anchor rear-discharging type slag discharging trolley |
-
2021
- 2021-11-20 CN CN202111381046.9A patent/CN113931684B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101205041A (en) * | 2006-12-22 | 2008-06-25 | 田玉杲 | Underground orbit mine car running system |
| CN103419809A (en) * | 2013-05-10 | 2013-12-04 | 金力 | Self-braking inclined shaft catcher |
| CN108556870A (en) * | 2017-12-18 | 2018-09-21 | 方特欢乐世界（芜湖）经营管理有限公司 | A kind of railcar of dual auxiliary braking |
| CN108382416A (en) * | 2018-03-20 | 2018-08-10 | 中山市丰申电器有限公司 | A kind of brake apparatus |
| CN209176711U (en) * | 2018-10-08 | 2019-07-30 | 青岛精良机械有限公司 | A kind of novel track vehicle brake gear |
| CN210416577U (en) * | 2019-08-27 | 2020-04-28 | 宜宾学院 | Colliery inclined shaft mine car protector |
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| CN212709419U (en) * | 2020-06-23 | 2021-03-16 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Rail wheel locking mechanism and mounting structure thereof |
| CN213354466U (en) * | 2020-10-10 | 2021-06-04 | 中铁建大桥工程局集团第一工程有限公司 | Deep cutting large inclination angle tunnel anchor rear-discharging type slag discharging trolley |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114013468A (en) * | 2021-11-20 | 2022-02-08 | 中铁建大桥工程局集团第五工程有限公司 | Tunnel is with preventing swift current car device |
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| Publication number | Publication date |
|---|---|
| CN113931684B (en) | 2024-01-26 |
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