CN115352824B - Automatic material transfer device for TBM (tunnel boring machine) - Google Patents
Automatic material transfer device for TBM (tunnel boring machine) Download PDFInfo
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- CN115352824B CN115352824B CN202211289988.9A CN202211289988A CN115352824B CN 115352824 B CN115352824 B CN 115352824B CN 202211289988 A CN202211289988 A CN 202211289988A CN 115352824 B CN115352824 B CN 115352824B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
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Abstract
The invention discloses a TBM material automatic transfer device, which belongs to the technical field of auxiliary equipment of a tunneling machine and comprises a track and an automatic trolley, wherein the track and the automatic trolley can be arranged on a main beam of the tunneling machine, the track is of a folding structure, the automatic trolley can be placed on the unfolded track, and the automatic trolley is controlled by a controller; and the upper surface of the automatic trolley is provided with a clamping mechanism for clamping materials. The automatic trolley is controlled by the controller to move on the rail, and materials required by the construction of the shield tunneling machine can be transferred to a construction site behind a TBM shield. The foldable track adopted by the invention does not occupy more space, is convenient to load, unload and carry, and the automatic trolley can automatically transfer materials, thereby improving the automation degree and the working efficiency of the equipment, reducing the labor intensity of workers and having greater practical value.
Description
Technical Field
The invention belongs to the technical field of auxiliary equipment of a heading machine, and particularly relates to an automatic TBM material transfer device.
Background
The TBM tunnel construction method is widely used due to the characteristics of high construction speed, high tunneling quality and the like, in the tunneling process, auxiliary materials such as anchor rods, anchor rod mortar and the like are frequently and urgently needed behind a TBM shield, and particularly under the condition of poor surrounding rocks, the support needs to be timely, and more needed materials can be obtained. As a plurality of materials need to be stacked on the front main beam of the TBM in the tunneling process of the TBM, the space on the main beam is narrower, and the main gathering and moving working area of workers is arranged on the main beam of the TBM. Therefore, the current material is transported and mainly depends on the manpower transport, wastes time and energy, and work efficiency is lower.
Disclosure of Invention
The invention aims to provide an automatic material transfer device for a TBM (tunnel boring machine), and aims to solve the technical problems that time and labor are wasted and the working efficiency is low in the prior art because auxiliary materials required in the TBM tunneling process are carried by manpower.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the automatic TBM material transfer device comprises a track and an automatic trolley, wherein the track and the automatic trolley can be arranged on a main beam of a shield tunneling machine, the track is of a folding structure, the automatic trolley can be placed on the unfolded track, and the automatic trolley is controlled by a controller; and the upper surface of the automatic trolley is provided with a clamping mechanism for clamping materials.
Preferably, the number of the tracks is two, the two tracks are arranged in parallel and connected through a foldable connecting structure, the bottoms of the two tracks are respectively provided with a supporting leg, the lower end of the supporting leg below the track on one side is inserted into a fixed sleeve, the fixed sleeve is fixed on the main beam, and the supporting leg below the track on the other side is fixed on the main beam; and the lower surface of the automatic trolley is provided with a roller matched with the track.
Preferably, the connecting structure comprises two connecting rods, one ends of the two connecting rods are hinged, and the other ends of the two connecting rods are respectively hinged with the inner sides of the two tracks.
Preferably, the automatic trolley comprises a table board and rollers at the bottom of the table board, the rollers are more than two pairs, the rollers are driven by a power mechanism to move along a track, and the power mechanism is in wireless connection with the controller; the bottom of the clamping mechanism is connected with the table top.
Preferably, the power mechanism comprises a motor, a driving chain wheel, a driven chain wheel and a chain, the motor is provided with a control unit capable of controlling the motor to act, and the control unit is in wired or wireless connection with the controller; an output shaft of the motor is coaxially fixed with a driving chain wheel, and the driving chain wheel is connected with a driven chain wheel through a chain; the rollers are arranged on the two tracks in pairs, every two corresponding rollers are connected through a driving wheel shaft and a driven wheel shaft respectively, and the driven chain wheel is fixed on the driving wheel shaft.
Preferably, the clamping mechanism comprises a locking base and three clamping rods, the clamping rods and the locking base are respectively three, the lower ends of the clamping rods are rotatably connected with the locking base, and the locking base can drive the upper ends of the clamping rods to contact and separate and is used for clamping or loosening materials.
Preferably, the upper end of the clamping rod is provided with a clamping sleeve for clamping materials.
Preferably, the clamping sleeve is an arc-shaped plate, the upper end of the clamping rod is connected with the middle of the arc-shaped plate, and the arc-shaped grooves of the three arc-shaped plates face the inner side.
Preferably, the locking base comprises a support, a ratchet wheel and a pawl, the ratchet wheel is rotatably connected with the support through a rotating shaft, and the lower end of the clamping rod and the ratchet wheel are fixedly connected with the rotating shaft; the middle part of the pawl is rotationally connected with the support, the lower end of the pawl can be meshed with a tooth socket of the ratchet wheel, and the upper end of the pawl can be arranged in a clamping gear to position the ratchet wheel or in a movable gear to enable the lower end of the pawl to be separated from the ratchet wheel.
Preferably, the clamping gear and the movable gear are both provided with limiting blocks matched with the upper ends of the pawls, limiting rods are arranged at the upper ends of the pawls, and the limiting rods can be arranged in limiting grooves of the limiting blocks.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: compared with the prior art, the automatic trolley is placed on the main beam of the shield tunneling machine through the unfolded and folded rail, the clamping mechanism on the automatic trolley is used for clamping materials, the automatic trolley is controlled by the controller to move on the rail, and the materials required by the construction of the shield tunneling machine can be transferred to a construction site behind a TBM shield. The foldable track adopted by the invention does not occupy more space, is convenient to load, unload and carry, and the automatic trolley can automatically transfer materials, thereby improving the automation degree and the working efficiency of the equipment, reducing the labor intensity of workers and having greater practical value.
Drawings
The invention is described in further detail below with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural diagram of an automatic TBM material transfer device provided in an embodiment of the present invention;
FIG. 2 is a schematic view of the arrangement of the rollers on the track of FIG. 1;
FIG. 3 is a schematic structural view of a power mechanism at the bottom of the automatic trolley in FIG. 1;
FIG. 4 is an external view of a remote controller according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a locking base in an embodiment of the invention;
in the figure: 1. the automatic trolley comprises an automatic trolley body, 2, rollers, 3, a driven sprocket, 4, a driving wheel shaft, 5, a chain, 6, a motor, 7, a control unit, 8, a driven wheel shaft, 9, a driven wheel, 10, a locking base, 11, a clamping rod, 12, a clamping sleeve, 13, a fixing sleeve, 14, a supporting leg, 15, a connecting rod, 16, a rail, 17, a clamping gear, 18, a movable gear, 19, a pawl, 20 and a ratchet wheel; 21. a wireless remote controller 211, a trolley running state lamp 212, an electric quantity warning lamp 213, a forward button 214, a backward button 215, a power on button 216 and a power off button; 22. the table comprises a table top 23, a driving chain wheel 24, a rotating shaft 25, a limiting rod 26 and a driving wheel.
Detailed Description
The technical solutions in the embodiments of the present invention are 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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only used for describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, the present invention is not to be construed as being limited thereto.
Referring to fig. 1, the automatic TBM material transfer device provided by the embodiment of the present invention includes a track 16 capable of being disposed on a main beam of a shield machine, and an automatic trolley 1, where the track 16 is of a folding structure, the automatic trolley 1 is capable of being placed on the expanded track 16, and the automatic trolley 1 is controlled by a controller; and a clamping mechanism for clamping materials is arranged on the upper surface of the automatic trolley 1. The expanded track is fixed on a main beam of the shield tunneling machine, the clamping mechanism on the automatic trolley is used for clamping materials, the automatic trolley is controlled by the controller to move on the track, the materials required by the construction of the shield tunneling machine can be transferred to a construction site behind a TBM shield, the labor intensity of workers is greatly reduced, and the working efficiency is improved.
In a specific embodiment of the present invention, as shown in fig. 2, there are two tracks 16, two tracks 16 are arranged side by side and connected by a foldable connection structure, the bottoms of the two tracks 16 are respectively provided with a supporting leg 14, the lower end of the supporting leg 14 below one track 16 is inserted into a fixing sleeve 13, the fixing sleeve 13 is fixed on the main beam, and the supporting leg 14 below the other track 16 is fixed on the main beam; the lower surface of the automatic trolley 1 is provided with a roller 2 which is matched with a track 16. During specific manufacturing, the supporting leg on one side and the fixing sleeve on the other side are directly fixed on a main beam of the TBM through bolts or welding, the supporting leg on the other side does not need to be fixed and is directly inserted into the fixing sleeve, and the two tracks can be conveniently unfolded and folded. The length of the track can be selected according to the length of the body of the TBM and the actual transportation requirement, the track can be made of angle steel, the angle steel is low in material cost and easy to replace, and the weight is light; the roller of the automatic trolley 1 is in a cylindrical shape, the middle part of the roller is in an inwards sunken angular shape, and the roller can contact with the surface of the rail in the shape of angle steel to move back and forth.
Preferably, as shown in fig. 2, the connecting structure includes two connecting rods 15, one ends of the two connecting rods 15 are hinged, and the other ends of the two connecting rods 15 are respectively hinged with the inner sides of the two rails 16. When the folding trolley is used, the folding connecting rod is pulled open, the two rails can be pulled apart, the supporting leg of one of the rails is inserted into the fixing sleeve on the main beam, the rails can be positioned, and the rails cannot shift in the moving process of the automatic trolley; meanwhile, the middle connecting rod can bear the acting force of the automatic trolley on the rail. When the folding trolley is not used, the automatic trolley can be taken down from the rails, the movable supporting legs are pulled out from the fixed sleeves, and the connecting rods are folded to complete folding of the two rails.
In one embodiment of the present invention, as shown in fig. 1 and 3, the automatic trolley 1 includes a table 22 and two or more pairs of rollers 2 at the bottom thereof, the rollers 2 are driven by a power mechanism to move along the track 16, and the power mechanism is wirelessly connected to the controller; the bottom of the clamping mechanism is connected to the table top 22. The power mechanism comprises a motor 6, a driving chain wheel 23, a driven chain wheel 3 and a chain 5, the motor 6 is provided with a control unit 7 capable of controlling the motion of the motor, and the control unit 7 is in wired or wireless connection with a controller; an output shaft of the motor 6 is coaxially fixed with a driving chain wheel 23, and the driving chain wheel 23 is connected with a driven chain wheel 3 through a chain 5; the rollers 2 are arranged on the two tracks 16 in pairs, every two corresponding rollers 2 are connected through a driving wheel shaft 4 and a driven wheel shaft 8 respectively, and the driven chain wheel 3 is fixed on the driving wheel shaft 4. Correspondingly, the roller 2 comprises a driving wheel 26 and a driven wheel 9, the driving wheel is fixed at two ends of a driving wheel shaft, the driven wheel is fixed at two ends of a driven wheel shaft, the driving wheel shaft 4 is a part which mainly transmits force and movement when the automatic trolley 1 moves, and the driven wheel shaft 8 only plays a role of rotation.
In the specific manufacturing process, the motor 6 is of a low-speed type due to the fact that the chain transmission is not suitable for high-speed operation but can be suitable for the working environment with heavy oil stains, and the automatic trolley is driven by the chain transmission. The motor 6 is used as a power source and rotates at a low speed, and the automatic trolley 1 moves forwards in a chain transmission mode under the positive rotation of the motor 6, and moves towards the opposite direction under the driving of the chain transmission mode under the reverse rotation of the motor 6. In the movement process, the driving and driven wheel shafts and the chain need to be lubricated frequently, so that the rotation of the driving and driven wheel shafts and the chain is kept flexible.
In addition, a vibration damping material can be laid on the table top of the automatic trolley so as to adapt to a TBM tunneling environment with large vibration.
Meanwhile, the control unit 7 is controlled by the PLC, the whole automatic trolley 1 controls the motion direction and the power switch through the control unit 7, the control unit 7 carries out wireless remote control through the wireless remote controller 21, if the trolley stops at any position on the track 16, the wireless remote controller 21 is pressed down, and then a stopping instruction is sent to the control unit 7, so that the trolley can be controlled to stop at any position.
As shown in fig. 4, the controller is a remote controller 21, the remote controller 21 is provided with a forward button 213, a backward button 214, a power on button 215 and a power off button 216, and is provided with two display lamps, one of which is a trolley running state lamp 211; the other display lamp is a power warning lamp 212 of the wireless remote controller. When the car running state light 211 indicates a green light, it indicates that the automatic car is running, and when the automatic car is in a stopped state, it indicates a yellow light. The other power warning light 212 is a battery display light of the wireless remote controller, and displays a red light when the battery power is insufficient.
In one embodiment of the present invention, as shown in fig. 5, the clamping mechanism includes three locking bases 10 and three clamping rods 11, the lower end of each clamping rod 11 is rotatably connected to the locking base 10, and the locking base 10 can drive the upper end of each clamping rod 11 to contact and separate, so as to clamp or loosen the material. The locking base 10 comprises a support (not shown in fig. 5), a ratchet wheel 20 and a pawl 19, the ratchet wheel 20 is rotatably connected with the support through a rotating shaft 24, and the lower end of the clamping rod 11 and the ratchet wheel 20 are fixedly connected with the rotating shaft 14; the middle part of the pawl 19 is rotatably connected with the support, the lower end of the pawl 19 can be meshed with the tooth grooves of the ratchet wheel 20, and the upper end of the pawl 19 can be placed in a clamping gear 17 to position the ratchet wheel 20 or placed in an active gear 18 to enable the lower end of the pawl to be separated from the ratchet wheel 20. By adopting the structure, the clamping rod 11 and the ratchet wheel 20 are taken as a whole to do circular motion around the rotating shaft, and the clamping rod 11 can swing up and down on a certain circumferential plane; if the pawl is placed in the clamping gear 17 when the required clamping position is reached, the pawl 19 can block the ratchet wheel 20, so that the clamping rod is kept in the position and cannot rotate reversely, and the purpose of clamping materials is achieved.
During specific manufacturing, the clamping gear 17 and the movable gear 18 are both provided with limiting blocks matched with the upper ends of the pawls 19, limiting rods 25 are arranged at the upper ends of the pawls, and the limiting rods 25 can be arranged in limiting grooves of the limiting blocks. The limiting blocks of the clamping gear 17 and the movable gear 18 are vertically arranged and form a group in pairs, and a limiting groove for accommodating a limiting rod is arranged between each group of limiting blocks; meanwhile, the lower end of the limiting rod 25 is rotatably connected with the upper end of the pawl 19, so that the limiting rod is conveniently clamped in the limiting groove between the limiting blocks. When the pawl 19 is shifted to the clamping gear 17, the pawl 19 blocks the ratchet wheel 20, so that the ratchet wheel cannot rotate reversely, and the locking function is completed; when the movable gear 18 is shifted, the pawl 19 releases the ratchet wheel 20, so that the ratchet wheel 20 can freely rotate, and the clamping rod 11 fixedly connected with the ratchet wheel can also rotate in a certain plane, thereby completing the releasing process. When materials with different sizes need to be clamped, the swing angle of the clamping rod 11 is adjusted to be in contact with a clamped object, and then the pawl 19 is shifted to the clamping gear 17 to complete clamping. Adopt this structure can be applicable to the material of size difference and transport, and on-the-spot actual adaptability is better.
As a preferred structure, as shown in fig. 1, the upper end of the clamping rod 11 is provided with a clamping sleeve 12 for clamping the material. The clamping sleeve 12 is an arc-shaped plate, the upper end of the clamping rod 11 is connected with the middle of the arc-shaped plate, and the arc-shaped grooves of the three arc-shaped plates face the inner side. During the preparation, the arc can select the material preparation that toughness is high, can improve the intensity of arc and with by the frictional force between the centre gripping material. When the clamping mechanism works, the arc-shaped plate is contacted with a clamped material, and the clamping rod is locked and fixed by the locking base 10 and can move towards other directions along with the automatic trolley.
Further optimizing the technical scheme, as shown in fig. 1, a protective cover is arranged outside the locking base 10, and a long hole for the pawl to move is arranged at the top of the protective cover. The inner ratchet wheel and the rotating shaft are protected by the protective cover, and the phenomenon that dust and impurities enter the matching surface between the ratchet wheel and the rotating shaft to influence the rotating flexibility of the ratchet wheel and the rotating shaft is avoided.
In conclusion, the invention has the advantages of simple and compact structure, flexible and convenient use and high working efficiency, the problem of narrow field space of the TBM is solved by the automatic trolley and the foldable track, and the foldable track can be folded when not in use; the control unit of the automatic trolley is wirelessly controlled by a remote controller, so that the automatic trolley can be controlled in real time during running; utilize the clamping bar to carry out the fixed clamp to transporting the material to can set up through the cooperation of ratchet and pawl and press from both sides tight fixedly to the material of equidimension not, like slip casting thick liquid bucket etc.. The invention can adapt to the relatively severe working environment of tunnel construction, fully considers the field engineering practice in the whole transfer process, can fold the track to be contracted at any time without material transportation, and can save the relatively narrow space of TBM; effectively promote TBM material transport efficiency, use the flexibility strong to the size that the material was transported, it is more targeted.
In the description above, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and thus the present invention is not limited to the specific embodiments disclosed above.
Claims (9)
1. The utility model provides a TBM material automatic transfer device which characterized in that: the automatic shield tunneling machine comprises a track and an automatic trolley, wherein the track and the automatic trolley can be arranged on a main beam of the shield tunneling machine, the track is of a folding structure, the automatic trolley can be placed on the unfolded track, and the automatic trolley is controlled by a controller; the upper surface of the automatic trolley is provided with a clamping mechanism for clamping materials; the two rails are arranged in parallel and connected through a foldable connecting structure, the bottoms of the two rails are respectively provided with a supporting leg, the lower end of the supporting leg below the rail on one side is inserted into a fixed sleeve, the fixed sleeve is fixed on the main beam, and the supporting leg below the rail on the other side is fixed on the main beam; and the lower surface of the automatic trolley is provided with a roller matched with the track.
2. The automatic material transfer device of claim 1, wherein: the connecting structure comprises two connecting rods, one ends of the two connecting rods are hinged and connected, and the other ends of the two connecting rods are hinged and connected with the inner sides of the two tracks respectively.
3. The automatic material transfer device of TBM of claim 1, characterized in that: the automatic trolley comprises a table board and more than two pairs of idler wheels at the bottom of the table board, the idler wheels are driven by a power mechanism to move along a track, and the power mechanism is in wireless connection with the controller; the bottom of the clamping mechanism is connected with the table top.
4. The automatic material transfer device of claim 3, wherein: the power mechanism comprises a motor, a driving chain wheel, a driven chain wheel and a chain, the motor is provided with a control unit capable of controlling the motor to act, and the control unit is in wired or wireless connection with the controller; an output shaft of the motor is coaxially fixed with a driving chain wheel, and the driving chain wheel is connected with a driven chain wheel through a chain; the rollers are arranged on the two tracks in pairs, every two corresponding rollers are connected through a driving wheel shaft and a driven wheel shaft respectively, and the driven chain wheel is fixed on the driving wheel shaft.
5. The automatic material transfer device of TBM of any one of claims 1-4, wherein: the clamping mechanism comprises three clamping rods and three locking bases, the lower ends of the clamping rods are rotatably connected with the locking bases, and the locking bases can drive the upper ends of the clamping rods to contact and separate and are used for clamping or loosening materials.
6. The automatic material transfer device of claim 5, wherein: the upper end of the clamping rod is provided with a clamping sleeve for clamping materials.
7. The automatic material transfer device of claim 6, wherein: the clamping sleeve is an arc-shaped plate, the upper end of the clamping rod is connected with the middle of the arc-shaped plate, and the arc-shaped grooves of the three arc-shaped plates face the inner side.
8. The automatic material transfer device of TBM of claim 5, characterized in that: the locking base comprises a support, a ratchet wheel and a pawl, the ratchet wheel is rotatably connected with the support through a rotating shaft, and the lower end of the clamping rod and the ratchet wheel are fixedly connected with the rotating shaft; the middle part of the pawl is rotationally connected with the support, the lower end of the pawl can be meshed with a tooth socket of the ratchet wheel, and the upper end of the pawl can be arranged in a clamping gear to position the ratchet wheel or in a movable gear to enable the lower end of the pawl to be separated from the ratchet wheel.
9. The automatic material transfer device of claim 8, wherein: the clamping gear and the movable gear are both provided with limiting blocks matched with the upper ends of the pawls, limiting rods are arranged at the upper ends of the pawls, and the limiting rods can be arranged in limiting grooves of the limiting blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211289988.9A CN115352824B (en) | 2022-10-21 | 2022-10-21 | Automatic material transfer device for TBM (tunnel boring machine) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211289988.9A CN115352824B (en) | 2022-10-21 | 2022-10-21 | Automatic material transfer device for TBM (tunnel boring machine) |
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| Publication Number | Publication Date |
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| CN115352824A CN115352824A (en) | 2022-11-18 |
| CN115352824B true CN115352824B (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211289988.9A Active CN115352824B (en) | 2022-10-21 | 2022-10-21 | Automatic material transfer device for TBM (tunnel boring machine) |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05311601A (en) * | 1992-05-13 | 1993-11-22 | Fujita Corp | Metallic material for laying rail |
| US5711227A (en) * | 1996-01-16 | 1998-01-27 | Johnson; Jerome K. | Portable and collapsible dolly and track |
| CN103758522B (en) * | 2014-01-23 | 2015-12-30 | 郑东风 | A kind of temporary support for drivage face method and equipment thereof |
| US9243371B2 (en) * | 2014-05-16 | 2016-01-26 | Chapman/Leonard Studio Equipment, Inc. | Adjustable width and folding camera dolly track |
| CN210382357U (en) * | 2019-06-05 | 2020-04-24 | 沈阳农业大学 | Precision automatic sprayer for pesticide field plot experiment |
| CN112340376B (en) * | 2020-11-17 | 2021-12-17 | 长沙衡开智能科技有限公司 | Automatic unloading dolly of going up of I-shaped wheel |
| CN216034406U (en) * | 2021-09-06 | 2022-03-15 | 浙江省轨道交通运营管理集团有限公司海宁分公司 | Portable cruising rail inspection trolley |
| CN216176656U (en) * | 2021-10-25 | 2022-04-05 | 苏州丰源达机械科技有限公司 | Feeding track of numerically controlled lathe for end cover machining |
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