CN117465907B - Continuous conveying device and shield system - Google Patents
Continuous conveying device and shield system Download PDFInfo
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- CN117465907B CN117465907B CN202311827528.1A CN202311827528A CN117465907B CN 117465907 B CN117465907 B CN 117465907B CN 202311827528 A CN202311827528 A CN 202311827528A CN 117465907 B CN117465907 B CN 117465907B
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Abstract
The present disclosure proposes a continuous conveying device and a shield system, wherein the continuous conveying device comprises: a frame; the support vehicles are arranged on the frame in a sliding manner along the circumferential direction of the frame, and are used for bearing shield segments; the towing rope is rotationally arranged on the frame along the circumferential direction of the frame and is connected with the trolley; the driving device is in transmission connection with the towing rope and is used for driving the towing rope to rotate so as to drive the trolley to circularly move along the circumferential direction of the frame. In the continuous conveying device and the shield system, the shield segments cannot shake due to suspension in the conveying process, so that the conveying stability and safety of the shield segments are effectively improved; the reset action in intermittent motion is avoided, so that the conveying efficiency of the shield segment is effectively improved, and the comprehensive manufacturing cost and the construction cost of the shield are reduced.
Description
Technical Field
The disclosure relates to the technical field of shield segment conveying, in particular to a continuous conveying device and a shield system.
Background
The shield segment is a main assembly component for shield construction, and the shield segment needs to be quickly assembled into a ring after the shield equipment is tunneled so as to form a permanent lining structure of the tunnel, and plays a role in bearing loads such as soil layer pressure, underground water pressure and the like.
Before the shield segment is assembled, the shield segment is usually lifted to the shield equipment by using a double-track beam lifting system, but the lifting mode causes the shield segment to shake easily due to inertia, so that the conveying stability and safety of the shield segment are poor, and the double-track beam lifting system is intermittent reciprocating motion during lifting the shield segment, so that the conveying efficiency of the shield segment is low, the conveying cost is high, meanwhile, the structure of the double-track beam lifting system is complex, the manufacturing cost is high, and the comprehensive manufacturing cost and the construction cost of the shield are further increased.
Disclosure of Invention
The present disclosure aims to solve, at least to some extent, one of the technical problems in the related art.
To this end, an object of the present disclosure is to provide a continuous conveying device and a shield system.
To achieve the above object, a first aspect of the present disclosure provides a continuous conveying apparatus, including: a frame; the support carts are arranged on the frame in a sliding manner along the circumferential direction of the frame, and are used for bearing shield segments; the towing rope is rotationally arranged on the frame along the circumferential direction of the frame, and is connected with the trolley; the driving device is in transmission connection with the towing rope, and is used for driving the towing rope to rotate so as to drive the trolley to circularly move along the circumferential direction of the frame.
Further, the continuous conveying device further includes: one end of the first connecting rope is connected with the towing rope, and one end of the first connecting rope far away from the towing rope is connected with one end of the trolley; the second connecting rope, the one end of second connecting rope with drag the rope links to each other, the second connecting rope keep away from drag the one end of rope with the support car is kept away from the one end of first connecting rope links to each other.
Further, the cart includes: the first seat body is arranged on the rack in a sliding manner along the circumferential direction of the rack, and one end, far away from the towing rope, of the first connecting rope is connected with the first seat body; the second seat body is arranged on the frame in a sliding manner along the circumferential direction of the frame, one end, away from the towing rope, of the second connecting rope is connected with the second seat body, and the second seat body and the first seat body are used for bearing the shield segment; the third connecting rope, the one end of third connecting rope with first pedestal links to each other, the third connecting rope keep away from the one end of first pedestal with the second pedestal links to each other.
Further, the continuous conveying device further includes: the first guide wheel is rotatably arranged at one end of the frame, and the third connecting rope bypasses the first guide wheel when the trolley passes through the first guide wheel; the second guide wheel is rotatably arranged at one end, far away from the first guide wheel, of the frame, and when the trolley passes through the second guide wheel, the third connecting rope bypasses the second guide wheel.
Further, the cart further comprises: the first arc-shaped groove is arranged on the first seat body; the second arc-shaped groove is arranged on the second seat body; the first arc-shaped groove and the second arc-shaped groove form a containing groove, the containing groove is used for containing the shield segment, the groove depth of the first arc-shaped groove linearly decreases along the direction from the second seat body to the first seat body, and the groove depth of the second arc-shaped groove linearly decreases along the direction from the first seat body to the second seat body.
Further, the continuous conveying device further includes: the two sets of slip subassembly, two sets of slip subassembly symmetric distribution is in the both sides of support car, slip subassembly includes: the guide plate, the first roller, the second roller, the third roller and the fourth roller; wherein the guide plate is arranged on the frame along the circumferential direction of the frame; the first roller and the second roller are respectively and rotatably arranged on the first seat body, one sides of the first roller and the guide plate are in rolling connection, and one sides of the second roller and the guide plate, which are far away from the first roller, are in rolling connection; the third roller and the fourth roller are respectively arranged on the second seat in a rotating way, one side of the third roller is connected with one side of the guide plate in a rolling way, and one side of the fourth roller, which is far away from the third roller, is connected with one side of the guide plate in a rolling way.
Further, the guide plate includes: the first flat plate is arranged on the rack along the length direction of the rack; the second flat plate is arranged on the rack along the length direction of the rack and is positioned below the first flat plate; the first arc-shaped plate is arranged on the rack, one end of the first arc-shaped plate is connected with one end of the first flat plate, and one end of the first arc-shaped plate, which is far away from the first flat plate, is connected with one end of the second flat plate; the second arc plate is arranged on the frame, one end of the second arc plate is connected with one end of the first plate, which is far away from the first arc plate, and one end of the second arc plate, which is far away from the first plate, is connected with one end of the second plate, which is far away from the first arc plate.
Further, the towing rope includes: the first chain is rotationally arranged on the frame along the circumferential direction of the frame and is in transmission connection with the driving device; the second chain is rotationally arranged on the frame along the circumferential direction of the frame and is in transmission connection with the driving device; the fixing frame, the one end of fixing frame with first chain links to each other, the fixing frame keep away from the one end of first chain with the second chain links to each other, the fixing frame with the support car links to each other.
Further, the continuous conveying device further includes: the driving chain wheel is rotatably arranged at one end of the frame, the driving device is in transmission connection with the driving chain wheel, and one ends of the first chain and the second chain are sleeved on the driving chain wheel; the driven sprocket rotates and sets up the frame is kept away from the one end of driving sprocket, first chain with the one end cover that the second chain kept away from driving sprocket is established driven sprocket is last.
A second aspect of the present disclosure provides a shield system comprising: a shield device; the continuous conveying device provided in the first aspect of the present disclosure is characterized in that a frame of the continuous conveying device is connected with the shield device, and the continuous conveying device is used for continuously conveying the shield segments to the shield device.
The technical scheme provided by the disclosure can comprise the following beneficial effects:
because the shield segment is arranged on the supporting trolley and the supporting trolley is arranged on the frame in a sliding way, the shield segment can not shake due to suspension in the conveying process, and the conveying stability and safety of the shield segment are effectively improved; in addition, the continuous conveying of the shield segments is realized through the circulating movement of the carrier, so that the reset action in the intermittent movement is avoided, the conveying efficiency of the shield segments is effectively improved, the conveying cost of the shield segments is reduced, the shield tunneling efficiency is further improved, and the shield construction period is shortened; meanwhile, the continuous conveying device is simple in integral structure, and low in manufacturing cost of the frame, the towing rope, the driving device and other parts, so that the comprehensive manufacturing cost of the shield and the construction cost of the shield are further reduced.
Additional aspects and advantages of the disclosure will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the disclosure.
Drawings
The foregoing and/or additional aspects and advantages of the present disclosure will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic view of a continuous conveyor according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of a structure of a pallet truck in a continuous conveyor according to an embodiment of the present disclosure;
FIG. 3 is a schematic view of the structure of the continuous conveying device at the first guide wheel and the second guide wheel according to an embodiment of the present disclosure;
as shown in the figure: 1. a frame;
2. a carrier vehicle 201, a first seat body 202, a second seat body 203 and a third connecting rope, 204, a first arc-shaped groove, 205 and a second arc-shaped groove;
3. a towing rope 31, a first chain 32, a second chain 33 and a fixing frame;
4. the driving device 5, the first connecting rope 6, the second connecting rope 7, the first guide wheel 8 and the second guide wheel;
9. a sliding assembly;
901. the guide plate, 9011, a first flat plate, 9012, a second flat plate, 9013, a first arc plate, 9014 and a second arc plate;
902. A first roller 903, a second roller 904, a third roller 905, and a fourth roller;
10. driving sprocket, 11, driven sprocket, 12, shield segment.
Detailed Description
Embodiments of the present disclosure are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present disclosure and are not to be construed as limiting the present disclosure. On the contrary, the embodiments of the disclosure include all alternatives, modifications, and equivalents as may be included within the spirit and scope of the appended claims.
As shown in fig. 1, the embodiment of the disclosure provides a continuous conveying device, which comprises a frame 1, a plurality of carriages 2, a towing rope 3 and a driving device 4, wherein the carriages 2 are slidably arranged on the frame 1 along the circumferential direction of the frame 1, the carriages 2 are used for bearing shield segments 12, the towing rope 3 is rotatably arranged on the frame 1 along the circumferential direction of the frame 1, the towing rope 3 is connected with the carriages 2, the driving device 4 is in transmission connection with the towing rope 3, and the driving device 4 is used for driving the towing rope 3 to rotate so as to drive the carriages 2 to circularly move along the circumferential direction of the frame 1.
It can be understood that, since the carrier 2 is slidably disposed on the frame 1 along the circumferential direction of the frame 1, and the towing rope 3 is rotatably disposed on the frame 1 along the circumferential direction of the frame 1, when the driving device 4 drives the towing rope 3 to rotate, the towing rope 3 can drive the carrier 2 to circularly move along the circumferential direction of the frame 1, thereby, when the shield segment 12 is disposed on the carrier 2, continuous conveying of the shield segment 12 can be realized by using the circularly moving of the carrier 2.
The shield segment 12 is arranged on the carrier 2, and the carrier 2 is arranged on the frame 1 in a sliding manner, so that the shield segment 12 cannot shake due to suspension in the conveying process, and the conveying stability and safety of the shield segment 12 are effectively improved; moreover, the continuous conveying of the shield segments 12 is realized through the circulating movement of the carrier vehicle 2, so that the reset action in the intermittent movement is avoided, the conveying efficiency of the shield segments 12 is effectively improved, the conveying cost of the shield segments 12 is reduced, the shield tunneling efficiency is further improved, and the shield construction period is shortened; meanwhile, the continuous conveying device is simple in integral structure, and the manufacturing cost of the frame 1, the towing rope 3, the driving device 4 and other parts is low, so that the comprehensive manufacturing cost of the shield and the construction cost of the shield are further reduced.
The frame 1 is used for carrying the components such as the trolley 2 and the towing rope 3, the specific type of the frame 1 can be set according to actual needs, and the specific type of the frame 1 is not limited to this, and the frame 1 is exemplified by a structure which is formed by a plurality of beams and is close to a cuboid, the length direction of the frame 1 is perpendicular to the width direction of the frame 1, and the width direction of the frame 1 is perpendicular to the circumferential direction of the frame 1.
In some embodiments, the frame 1 includes a head portion, a tail portion, and a plurality of intermediate portions, where the head portion, the plurality of intermediate portions, and the tail portion are sequentially arranged along a length direction of the frame 1, and a detachable hinge structure is provided between the head portion, the plurality of intermediate portions, and the tail portion. Therefore, the detachable structure in the frame 1 is utilized to facilitate the extension or shortening of the length of the frame 1, so that the continuous conveying device can adapt to the pushing of the tunnel working surface; the hinge structure in the frame 1 is used for facilitating the steering and ascending and descending of the frame 1, so that the continuous conveying device can adapt to the steering and the inclined slope in the tunnel. The number of the middle parts can be set according to actual needs, and the number is not limited; the detachable articulated structure can be arranged according to actual needs, is not limited to this, and the head part, the plurality of middle parts and the tail part can be connected by using a jean coupler by way of example; the head and tail may be configured in an arcuate configuration to guide the pallet truck 2 so that the pallet truck 2 can move through the head and tail in a cyclic manner.
The connection mode of the pallet truck 2 and the towing rope 3 can be set according to actual needs, and is not limited.
As shown in fig. 1, 2 and 3, in some embodiments, the continuous conveying device further includes a first connecting rope 5 and a second connecting rope 6, one end of the first connecting rope 5 is connected to the towing rope 3, one end of the first connecting rope 5 away from the towing rope 3 is connected to one end of the cart 2, one end of the second connecting rope 6 is connected to the towing rope 3, and one end of the second connecting rope 6 away from the towing rope 3 is connected to one end of the cart 2 away from the first connecting rope 5.
It will be appreciated that, due to the connection of one end of the first connecting rope 5 with the towing rope 3, the end of the first connecting rope 5 remote from the towing rope 3 is connected with one end of the trolley 2, such that the continuous conveying device utilizes the first connecting rope 5 to achieve connection between one end of the trolley 2 and the towing rope 3, and due to the connection of one end of the second connecting rope 6 with the towing rope 3, the end of the second connecting rope 6 remote from the towing rope 3 is connected with the end of the trolley 2 remote from the first connecting rope 5, such that the continuous conveying device utilizes the second connecting rope 6 to achieve connection between the other end of the trolley 2 and the towing rope 3. From this, through the setting of first connecting rope 5 and second connecting rope 6, realized that the flexibility between the support car 2 and the rope 3 that drags links to each other for the rope 3 can also adapt to the angle change between rope 3 and the support car 2 that drags when to the drive of support car 2, guarantees the steady cyclic movement of support car 2 in frame 1 circumference.
It should be noted that the first connecting rope 5 and the second connecting rope 6 are used for flexible connection between the cart 2 and the towing rope 3, and specific types of the first connecting rope 5 and the second connecting rope 6 may be set according to actual needs, which are not limited, and the first connecting rope 5 and the second connecting rope 6 may be steel wire ropes, chains, or the like, for example.
The number of the first and second connection ropes 5 and 6 may be set according to actual needs, and is not limited thereto, and the number of the first and second connection ropes 5 and 6 may be one or more, as an example.
The carrier 2 is used for carrying the shield segments 12, and the specific type of the carrier 2 can be set according to actual needs, which is not limited.
As shown in fig. 2, in some embodiments, the cart 2 includes a first seat 201, a second seat 202, and a third connecting rope 203, where the first seat 201 is slidably disposed on the frame 1 along a circumferential direction of the frame 1, an end of the first connecting rope 5 away from the towing rope 3 is connected to the first seat 201, the second seat 202 is slidably disposed on the frame 1 along the circumferential direction of the frame 1, an end of the second connecting rope 6 away from the towing rope 3 is connected to the second seat 202, the second seat 202 and the first seat 201 are used for carrying the shield segment 12, an end of the third connecting rope 203 is connected to the first seat 201, and an end of the third connecting rope 203 away from the first seat 201 is connected to the second seat 202.
It can be appreciated that, because one end of the third connecting rope 203 is connected with the first seat body 201, and one end of the third connecting rope 203 far away from the first seat body 201 is connected with the second seat body 202, the first seat body 201 and the second seat body 202 are connected by using the third connecting rope 203, and because of the flexible structure of the third connecting rope 203, the angle between the first seat body 201 and the second seat body 202 can be changed arbitrarily, so that the trolley 2 can adapt to the arc-shaped route on the circumferential direction of the frame 1, the problem of jamming and the like is avoided, and the stable circular movement of the trolley 2 on the circumferential direction of the frame 1 is ensured.
Wherein, because the first connecting rope 5 is far away from the end of the towing rope 3 and is connected with the first seat 201, and the second connecting rope 6 is far away from the end of the towing rope 3 and is connected with the second seat 202, the continuous conveying device utilizes the first connecting rope 5 and the second connecting rope 6 to realize flexible connection between the pallet car 2 and the towing rope 3.
It should be noted that, the third connecting rope 203 is used for connecting the first seat 201 and the second seat 202, and the specific type of the third connecting rope 203 may be set according to actual needs, which is not limited thereto, and the third connecting rope 203 may be a wire rope, a chain, or the like, for example.
The number of the third connection ropes 203 may be set according to actual needs, which is not limited, and the number of the third connection ropes 203 may be one or more, where the number and the positions of the third connection ropes 203 are adapted to ensure the stress balance between the first seat 201 and the second seat 202.
The first seat 201 and the second seat 202 are used for bearing the shield segment 12, the specific types of the first seat 201 and the second seat 202 can be set according to actual needs, and the specific types are not limited to this, and the first seat 201 and the second seat 202 can be in a seat structure close to a cuboid, and the length direction of the first seat 201 and the second seat 202 is parallel to the width direction of the frame 1, and the width direction of the first seat 201 and the second seat 202 is parallel to the circumferential direction of the frame 1.
The distance between the first seat 201 and the second seat 202 may be set according to the size of the shield segment 12, which is not limited, and, for example, the distance between the first seat 201 and the second seat 202 may be smaller than the diameter of the arc structures at two ends of the frame 1, or may be larger than the diameter of the arc structures at two ends of the frame 1. However, when the distance between the first seat 201 and the second seat 202 is greater than the diameter of the arc structures at two ends of the frame 1 and the trolley 2 passes through the arc structures at two ends of the frame 1, the situation that the first seat 201 is up and the second seat 202 is down, or the first seat 201 is down and the second seat 202 is up, at this time, the problems of blocking and blocking of the first seat 201 and the second seat 202 on the frame 1 due to the dragging of the third connecting rope 203 can easily occur.
As shown in fig. 1 and 3, in some embodiments, the continuous conveying apparatus further includes a first guide wheel 7 and a second guide wheel 8, the first guide wheel 7 is rotatably disposed at one end of the frame 1, the third connecting rope 203 bypasses the first guide wheel 7 when the pallet 2 passes over the first guide wheel 7, the second guide wheel 8 is rotatably disposed at one end of the frame 1 far from the first guide wheel 7, and the third connecting rope 203 bypasses the second guide wheel 8 when the pallet 2 passes over the second guide wheel 8.
It can be understood that, by the arrangement of the first guide wheel 7, when the trolley 2 passes through the first guide wheel 7, the third connecting rope 203 can avoid forming direct drag between the first seat 201 and the second seat 202 by using the guide of the first guide wheel 7, so as to ensure the stable circulation movement of the first seat 201 and the second seat 202 on the frame 1; through the arrangement of the second guide wheels 8, when the trolley 2 passes through the second guide wheels 8, the third connecting rope 203 can avoid forming direct dragging between the first seat 201 and the second seat 202 by utilizing the guide of the second guide wheels 8, so that the stable and circular movement of the first seat 201 and the second seat 202 on the frame 1 is ensured;
it should be noted that, the first guide wheel 7 and the second guide wheel 8 are used for guiding the third connecting rope 203, the specific types of the first guide wheel 7 and the second guide wheel 8 may be set according to actual needs, which is not limited to this, and the first guide wheel 7 and the second guide wheel 8 may be wheel body structures with circumferential grooves, and the axial directions of the first guide wheel 7 and the second guide wheel 8 are parallel to the width direction of the frame 1.
Wherein, the number of the first guide wheels 7 and the second guide wheels 8 is in one-to-one correspondence with the third connecting ropes 203, and when the number of the third connecting ropes 203 is two, for example, the number of the first guide wheels 7 and the second guide wheels 8 is two respectively.
In order to adapt to the steering of the continuous conveying device, a third guide wheel and a fourth guide wheel which are opposite to each other can be arranged between the head part and the middle part, between the adjacent middle parts and between the middle part and the tail part, and the towing rope 3 bypasses the third guide wheel or the fourth guide wheel, so that the problems that the towing rope 3 collides with the frame 1, rubs and the like due to the steering of the continuous conveying device are avoided.
As shown in fig. 2, in some embodiments, the cart 2 further includes a first arc-shaped groove 204 and a second arc-shaped groove 205, the first arc-shaped groove 204 being disposed on the first base 201, the second arc-shaped groove 205 being disposed on the second base 202; the first arc-shaped groove 204 and the second arc-shaped groove 205 form a containing groove, the containing groove is used for placing the shield segment 12, the groove depth of the first arc-shaped groove 204 linearly decreases along the direction from the second seat body 202 to the first seat body 201, and the groove depth of the second arc-shaped groove 205 linearly decreases along the direction from the first seat body 201 to the second seat body 202.
It can be appreciated that by the arrangement of the first arc-shaped groove 204 and the second arc-shaped groove 205, the shield segment 12 can be placed on the first seat 201 and the second seat 202, and the attachment of the shield segment 12 to the first seat 201 and the second seat 202 is ensured, so that the stable continuous conveying of the shield segment 12 by the continuous conveying device is ensured.
Meanwhile, since the groove depth of the first arc-shaped groove 204 linearly decreases along the direction from the second seat 202 to the first seat 201, and the groove depth of the second arc-shaped groove 205 linearly decreases along the direction from the first seat 201 to the second seat 202, when the shield segment 12 is placed in the accommodating groove, the shield segment 12 can press the first seat 201 and the second seat 202 by using the inclined structures of the first arc-shaped groove 204 and the second arc-shaped groove 205 and their own weights, so that the first seat 201 and the second seat 202 move along the direction away from each other until the third connecting rope 203 is in a tensioned state. Therefore, flexible adaptation of the shield segment 12 on the first seat 201 and the second seat 202 is realized, stable placement of the shield segment 12 on the carrier 2 is guaranteed, and meanwhile, the problems of shaking and the like in the moving process of the shield segment 12 caused by looseness of the third connecting rope 203 are avoided, so that stable conveying of the shield segment 12 is guaranteed.
It should be noted that, because the first connecting rope 5, the second connecting rope 6 and the third connecting rope 203 are all flexible structures, a certain relative or opposite movement range is provided between the first seat 201 and the second seat 202, so that the distance between the first seat 201 and the second seat 202 can be adjusted by the cart 2, and the flexible structure is suitable for different types of shield segments 12 and paths of ascending slopes or descending slopes in the tunnel.
The flexible fixing structure formed by the first connecting rope 5, the second connecting rope 6 and the third connecting rope 203 and the shield segment 12 flexible adapting structure formed by the first arc-shaped groove 204 and the second arc-shaped groove 205 enable the supporting vehicle 2 to form a dynamic adjusting integral structure, so that flexible steering can be realized, the flexible steering can smoothly pass through the arc-shaped structures at two ends of the frame 1, the problem that the first seat 201 and the second seat 202 move back and forth in the process of working conditions such as slopes can be avoided, and stable conveying of the shield segment 12 is guaranteed.
The first arc-shaped groove 204 and the second arc-shaped groove 205 are used for placing the shield segment 12, the specific types of the first arc-shaped groove 204 and the second arc-shaped groove 205 can be set according to actual needs, the specific types are not limited, the axial directions of the first arc-shaped groove 204 and the second arc-shaped groove 205 are parallel to the length direction of the frame 1, and the arc-shaped surfaces of the first arc-shaped groove 204 and the second arc-shaped groove 205 are matched with the arc-shaped surface of the shield segment 12.
As shown in fig. 1, 2 and 3, in some embodiments, the continuous conveying device further includes two sets of sliding assemblies 9, where the two sets of sliding assemblies 9 are symmetrically distributed on two sides of the cart 2, and the sliding assemblies 9 include a guide plate 901, a first roller 902, a second roller 903, a third roller 904 and a fourth roller 905; wherein, deflector 901 sets up on frame 1 along the circumference of frame 1, and first running roller 902 and second running roller 903 rotate respectively and set up on first pedestal 201, and one side roll of first running roller 902 and deflector 901 links to each other, and one side roll that first running roller 902 was kept away from to second running roller 903 and deflector 901 links to each other, and third running roller 904 and fourth running roller 905 rotate respectively and set up on second pedestal 202, and one side roll of third running roller 904 and deflector 901 links to each other, and one side roll that third running roller 904 was kept away from to fourth running roller 905 and deflector 901 links to each other.
It can be appreciated that, because the first roller 902 and the second roller 903 are respectively rotatably disposed on the first seat 201, and one sides of the first roller 902 and the guide plate 901 are in rolling connection, and one sides of the second roller 903 and the guide plate 901, which are far away from the first roller 902, are in rolling connection, so that the first seat 201 can be disposed on the guide plate 901 by using the first roller 902 and the second roller 903, and because the guide plate 901 is disposed on the frame 1 along the circumferential direction of the frame 1, and the two sets of sliding assemblies 9 are symmetrically distributed on both sides of the carrier 2, thereby realizing sliding arrangement of the first seat 201 on the circumferential direction of the frame 1, and meanwhile, because the first roller 902 and the second roller 903 are respectively disposed on both sides of the guide plate 901, the first roller 902 and the second roller 903 form a clamping structure on the guide plate 901, so that when the first seat 201 is disposed above the guide plate 901, or when the first seat 201 is disposed below the guide plate 901, the first seat 201 can be disposed on the frame 1 by using the first roller 902 and the second roller 903, thereby preventing the first seat 201 from falling off the frame 201 from the frame 201.
Because third running roller 904 and fourth running roller 905 rotate respectively and set up on second pedestal 202, and one side roll of third running roller 904 and deflector 901 links to each other, fourth running roller 905 and deflector 901 keep away from the one side roll of third running roller 904 and link to each other, make second pedestal 202 can utilize third running roller 904 and fourth running roller 905 to roll and set up on deflector 901, and because deflector 901 sets up on frame 1 along the circumference of frame 1, thereby realize the slip setting of second pedestal 202 in frame 1 circumference, simultaneously, because third running roller 904 and fourth running roller 905 are located the both sides of deflector 901 respectively, make third running roller 904 and fourth running roller 905 form the clamp structure to deflector 901, thereby when second pedestal 202 is located deflector 901 top, or second pedestal 202 is located the deflector 901 below, second pedestal 202 can all utilize the centre gripping 901 of third running roller 904 and fourth running roller 905 to set up on the deflector 901, thereby realize that second pedestal 202 is at frame 1 circumference and prevent from dropping from frame 1 on frame 1 simultaneously.
It should be noted that, the first roller 902 and the second roller 903 are used for sliding the first base 201 on the guide plate 901, the specific types of the first roller 902 and the second roller 903 may be set according to actual needs, which is not limited to this, and the first roller 902 and the second roller 903 may be roller structures, and the first roller 902 and the second roller 903 may be one or more, and the axial directions of the first roller 902 and the second roller 903 and the width direction of the frame 1 may be parallel.
The third roller 904 and the fourth roller 905 are used for sliding the second base 202 on the guide plate 901, the specific types of the third roller 904 and the fourth roller 905 may be set according to actual needs, which is not limited thereto, and the third roller 904 and the fourth roller 905 may be roller structures, and the third roller 904 and the fourth roller 905 may be one or more, and the axial directions of the third roller 904 and the fourth roller 905 are parallel to the width direction of the frame 1.
Because the two sets of sliding assemblies 9 are symmetrically distributed on two sides of the carrier 2, limiting ring plates can be arranged on opposite sides of the first roller 902, the second roller 903, the third roller 904 and the fourth roller 905 in the two sets of sliding assemblies 9, so that stable rolling connection of the first roller 902, the second roller 903, the third roller 904 and the fourth roller 905 with the guide plate 901 can be ensured by using the limiting ring plates.
The guide plate 901 is used for guiding the first roller 902, the second roller 903, the third roller 904 and the fourth roller 905 to realize stable sliding of the first seat 201 and the second seat 202 in the circumferential direction of the frame 1, and the specific type of the guide plate 901 can be set according to actual needs, which is not limited.
As shown in fig. 1, 2 and 3, in some embodiments, the guide plate 901 includes a first flat plate 9011, a second flat plate 9012, a first arc plate 9013 and a second arc plate 9014, the first flat plate 9011 is disposed on the rack 1 along the length direction of the rack 1, the second flat plate 9012 is disposed on the rack 1 along the length direction of the rack 1, and the second flat plate 9012 is located below the first flat plate 9011, the first arc plate 9013 is disposed on the rack 1, and one end of the first arc plate 9013 is connected to one end of the first flat plate 9011, one end of the first arc plate 9013 away from the first flat plate 9011 is connected to one end of the second flat plate 9012, the second arc plate 9014 is disposed on the rack 1, and one end of the second arc plate 9014 is connected to one end of the first flat plate 9013 away from the first arc plate 9013, and one end of the second arc plate 9014 away from the first flat plate 9011 is connected to one end of the second arc plate 9013.
It can be appreciated that, since the first flat plate 9011 is disposed on the frame 1 along the length direction of the frame 1, and the second flat plate 9012 is disposed on the frame 1 along the length direction of the frame 1, the first roller 902, the second roller 903, the third roller 904, and the fourth roller 905 can stably move along the length direction of the frame 1 under the guidance of the first flat plate 9011 and the second flat plate 9012; because one end of the first arc plate 9013 is connected to one end of the first flat plate 9011, and one end of the first arc plate 9013 away from the first flat plate 9011 is connected to one end of the second flat plate 9012, one end of the second arc plate 9014 is connected to one end of the first flat plate 9011 away from the first arc plate 9013, and one end of the second arc plate 9014 away from the first flat plate 9011 is connected to one end of the second flat plate 9012 away from the first arc plate 9013, the first roller 902, the second roller 903, the third roller 904 and the fourth roller 905 can stably move from the first flat plate 9011 to the second flat plate 9012 and stably move from the second flat plate 9012 to the first flat plate 9011 under the guidance of the first arc plate 9013 and the second arc plate 9014. Thereby, stable movement of the first and second bodies 201 and 202 on the guide plate 901 is ensured, and stable circulating movement of the pallet 2 in the circumferential direction of the frame 1 is further ensured.
It should be noted that the specific types of the first plate 9011 and the second plate 9012 may be set according to actual needs, which is not limited to this, and the first plate 9011 and the second plate 9012 may be strip-shaped plate structures, and the first plate 9011 and the second plate 9012 may be disposed in parallel, and the length direction of the first plate 9011 and the second plate 9012 may be parallel to the length direction of the rack 1, and the width direction of the first plate 9011 and the second plate 9012 may be parallel to the width direction of the rack 1.
The specific types of the first arc-shaped plate 9013 and the second arc-shaped plate 9014 may be set according to actual needs, which is not limited, and the first arc-shaped plate 9013 and the second arc-shaped plate 9014 may be semicircular plate structures, and the concave surface of the first arc-shaped plate 9013 and the concave surface of the second arc-shaped plate 9014 are oppositely set along the length direction of the frame 1, and the axial directions of the first arc-shaped plate 9013 and the second arc-shaped plate 9014 are parallel to the width direction of the frame 1.
The towing rope 3 is used for driving the trolley 2 to move according to the driving of the driving device 4, the specific type of the towing rope 3 can be set according to actual needs, and the towing rope 3 can be a steel wire rope, a chain or the like by way of example without limitation.
As shown in fig. 3, in some embodiments, the towing rope 3 includes a first chain 31, a second chain 32, and a fixing frame 33, the first chain 31 is disposed on the frame 1 along the circumferential direction of the frame 1, and the first chain 31 is in transmission connection with the driving device 4, the second chain 32 is disposed on the frame 1 along the circumferential direction of the frame 1, and the second chain 32 is in transmission connection with the driving device 4, one end of the fixing frame 33 is connected with the first chain 31, one end of the fixing frame 33 far from the first chain 31 is connected with the second chain 32, and the fixing frame 33 is connected with the cart 2.
It can be appreciated that, because the first chain 31 and the second chain 32 are respectively arranged on the frame 1 along the circumferential direction of the frame 1, and one end of the fixing frame 33 is connected with the first chain 31, one end of the fixing frame 33, which is far away from the first chain 31, is connected with the second chain 32, so that the first chain 31 and the second chain 32 can synchronously rotate along the circumferential direction of the frame 1, and the fixing frame 33 is connected with the carrier 2, so that the first chain 31 and the second chain 32 can simultaneously drive the carrier 2 to move along the circumferential direction of the frame 1, thereby ensuring the continuous conveying of the shield segment 12 by the continuous conveying device.
Wherein, because the first chain 31 and the second chain 32 drive the cart 2 to move along the circumferential direction of the frame 1 at the same time, the cart 2 can move and the stress of the first chain 31 and the second chain 32 can be reduced, thereby prolonging the service lives of the first chain 31 and the second chain 32.
The first chain 31 and the second chain 32 are chains, and each chain is composed of a plurality of links connected to each other in sequence.
The fixing frame 33 is used for connecting the first chain 31, the second chain 32 and the carrier 2, the specific type of the fixing frame 33 can be set according to actual needs, and the fixing frame 33 can be, for example, a U-shaped frame structure, two ends of the fixing frame 33 are respectively connected with a chain ring of the first chain 31 and a chain ring of the second chain 32, and the middle part of the fixing frame 33 is connected with the carrier 2 through the first connecting rope 5 or the second connecting rope 6. Wherein, the fixing frames 33 are arranged in two groups, each group of fixing frames 33 is not less than one, one group of fixing frames 33 is connected with the first seat body 201 through the first connecting rope 5, and the other group of fixing frames 33 is connected with the second seat body 202 through the second connecting rope 6.
As shown in fig. 1, in some embodiments, the continuous conveying device further includes a driving sprocket 10 and a driven sprocket 11, the driving sprocket 10 is rotatably disposed at one end of the frame 1, the driving device 4 is in transmission connection with the driving sprocket 10, one ends of the first chain 31 and the second chain 32 are sleeved on the driving sprocket 10, the driven sprocket 11 is rotatably disposed at one end of the frame 1 far away from the driving sprocket 10, and one ends of the first chain 31 and the second chain 32 far away from the driving sprocket 10 are sleeved on the driven sprocket 11.
It can be understood that, since one ends of the first chain 31 and the second chain 32 are sleeved on the driving sprocket 10, one ends of the first chain 31 and the second chain 32, which are far away from the driving sprocket 10, are sleeved on the driven sprocket 11, when the driving device 4 drives the driving sprocket 10 to rotate, the first chain 31 and the second chain 32 can be driven to rotate along the circumferential direction of the frame 1, so that the cycle movement of the cart 2 in the circumferential direction of the frame 1 is realized.
The first chain 31 and the second chain 32 are respectively sleeved on the driving sprocket 10, so that the driving sprocket 10 is provided with a first sprocket matched with the first chain 31 and a second sprocket matched with the second chain 32, and the driven sprocket 11 is provided with a third sprocket matched with the first chain 31 and a fourth sprocket matched with the second chain 32, because the first chain 31 and the second chain 32 are respectively sleeved on the driven sprocket 11.
The driving device 4 is used for driving the towing rope 3 to rotate, the specific type of the driving device 4 can be set according to actual needs, the specific type of the driving device 4 is not limited to the actual needs, the driving device 4 comprises a driving motor and a speed reducer, the driving motor is arranged on the frame 1, the speed reducer is arranged on the frame 1, an input shaft of the speed reducer is coaxially connected with an output shaft of the driving motor, and an output shaft of the speed reducer is coaxially connected with a rotating shaft of the driving sprocket 10, so that the driving sprocket 10 is driven by the driving motor to rotate; the driving device 4 may also be a hydraulic motor system, which includes a hydraulic motor disposed on the frame 1, where an output shaft of the hydraulic motor is coaxially connected to a rotating shaft of the driving sprocket 10, so that the driving sprocket 10 is rotated under the driving of the hydraulic motor, and the hydraulic motor has a larger output torque and overload resistance, and occupies a smaller space.
The first guide wheel 7 and the second guide wheel 8 are independent of the driving sprocket 10 and the driven sprocket 11, respectively, i.e., the first guide wheel 7 and the second guide wheel 8 only have the follow-up due to friction force when guiding the third connecting rope 203, and do not rotate with the rotation of the driving sprocket 10 and the driven sprocket 11.
The embodiment of the disclosure also provides a shield system, which comprises a shield device and a continuous conveying device as the embodiment of the disclosure, wherein the frame 1 of the continuous conveying device is connected with the shield device, and the continuous conveying device is used for continuously conveying the shield segments 12 to the shield device.
It can be appreciated that, because the carrier 2 is slidably disposed on the frame 1 along the circumferential direction of the frame 1, and the towing rope 3 is rotatably disposed on the frame 1 along the circumferential direction of the frame 1, when the driving device 4 drives the towing rope 3 to rotate, the towing rope 3 can drive the carrier 2 to circularly move along the circumferential direction of the frame 1, thereby, when the shield segment 12 is disposed on the carrier 2, continuous conveying of the shield segment 12 can be realized by using the circularly moving of the carrier 2, and the requirement of shield tunneling on transportation of the shield segment 12 is satisfied.
The shield segment 12 is arranged on the carrier 2, and the carrier 2 is arranged on the frame 1 in a sliding manner, so that the shield segment 12 cannot shake due to suspension in the conveying process, and the conveying stability and safety of the shield segment 12 are effectively improved; moreover, the continuous conveying of the shield segments 12 is realized through the circulating movement of the carrier vehicle 2, so that the reset action in the intermittent movement is avoided, the conveying efficiency of the shield segments 12 is effectively improved, the conveying cost of the shield segments 12 is reduced, the shield tunneling efficiency is further improved, and the shield construction period is shortened; meanwhile, the continuous conveying device is simple in integral structure, and the manufacturing cost of the frame 1, the towing rope 3, the driving device 4 and other parts is low, so that the comprehensive manufacturing cost of the shield and the construction cost of the shield are further reduced.
It should be noted that, the shield device is used for tunneling in the tunnel, the specific type of the shield device can be set according to actual needs, and this is not limited, and the shield device may be a shield machine, and the shield machine includes an assembling machine, and the assembling machine is located at one end of the shield machine far away from the working face, that is, at the tail of the shield machine, and the front end of the continuous conveying device is used for assembling the shield segment 12 conveyed by the continuous conveying device onto the inner wall of the tunnel.
The two sides of the frame 1 are fixedly connected with the shield machine so as to realize synchronous movement of the continuous conveying device and the shield device, in some embodiments, the continuous conveying device further comprises a plurality of travelling wheels, and the travelling wheels are rotatably arranged at the bottom of the frame 1, so that the continuous conveying device and the shield device can synchronously move and simultaneously can realize support of the frame 1, and stable conveying of the shield segment 12 by the continuous conveying device is ensured.
The shield device is used for dragging the frame 1.
In the shield construction, the shield segment 12 can be placed on the carrier 2 by using a hoisting device, and the shield segment 12 can be hoisted out of the carrier 2 by using a splicing machine to carry out shield splicing operation, which is not limited.
Wherein, a controller such as a PLC (programmable logic controller) may be used to automatically control the continuous conveying device, for example, a detection element such as a weight sensor may be disposed on the carrier 2 to detect whether the shield segment 12 is disposed on the carrier 2, and a detection element such as a limit switch and a distance sensor may be disposed at the head and the tail of the frame 1 to detect the position of the carrier 2. When the carrier 2 moves to the tail of the frame 1, the controller stops the operation of the driving device 4, when the shield segment 12 is placed on the carrier 2, the controller starts the operation of the driving device 4, when the carrier 2 moves to the head of the frame 1, the controller stops the operation of the driving device 4 again, and when the shield segment 12 on the carrier 2 is lifted out, the controller starts the operation of the driving device 4 again. Therefore, the continuous conveying of the shield segments 12 is realized while the feeding and the discharging of the shield segments 12 are realized by utilizing the automatic control of the controller.
It should be noted that in the description of the present disclosure, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present disclosure, unless otherwise indicated, the meaning of "a plurality" is two or more.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and further implementations are included within the scope of the preferred embodiment of the present disclosure in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present disclosure.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present disclosure have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the present disclosure, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the present disclosure.
Claims (5)
1. A continuous conveying apparatus, comprising:
the machine frame comprises a head part, a tail part and a plurality of middle parts, wherein the head part, the middle parts and the tail part are sequentially arranged along the length direction of the machine frame, and a detachable hinging structure is arranged among the head part, the middle parts and the tail part;
the support carts are arranged on the frame in a sliding manner along the circumferential direction of the frame, and are used for bearing shield segments;
the towing rope is rotationally arranged on the frame along the circumferential direction of the frame, and is connected with the trolley;
the driving device is in transmission connection with the towing rope and is used for driving the towing rope to rotate so as to drive the trolley to circularly move along the circumferential direction of the frame;
the continuous conveying device further includes: the first connecting rope is connected with the towing rope, one end of the first connecting rope, which is far away from the towing rope, is connected with one end of the trolley, one end of the second connecting rope is connected with the towing rope, and one end of the second connecting rope, which is far away from the towing rope, is connected with one end of the trolley, which is far away from the first connecting rope;
The cart includes: the first seat body is arranged on the frame in a sliding manner along the circumferential direction of the frame, one end, far away from the dragging rope, of the first connecting rope is connected with the first seat body, the second seat body is arranged on the frame in a sliding manner along the circumferential direction of the frame, one end, far away from the dragging rope, of the second connecting rope is connected with the second seat body, the second seat body is used for bearing the shield segment, one end of the third connecting rope is connected with the first seat body, and one end, far away from the first seat body, of the third connecting rope is connected with the second seat body;
the cart further comprises: the first arc-shaped groove is arranged on the first seat body, the second arc-shaped groove is arranged on the second seat body, the first arc-shaped groove and the second arc-shaped groove are used for accommodating the shield segment, the groove depth of the first arc-shaped groove linearly decreases along the direction from the second seat body to the first seat body, and the groove depth of the second arc-shaped groove linearly decreases along the direction from the first seat body to the second seat body;
The continuous conveying device further includes: the two sets of slip subassembly, two sets of slip subassembly symmetric distribution is in the both sides of support car, slip subassembly includes: the guide plate, the first roller, the second roller, the third roller and the fourth roller; the guide plate is arranged on the frame along the circumferential direction of the frame, the first roller and the second roller are respectively and rotatably arranged on the first base, one side of the first roller and one side of the guide plate are in rolling connection, one side of the second roller and one side of the guide plate, which is far away from the first roller, are in rolling connection, the third roller and the fourth roller are respectively and rotatably arranged on the second base, one side of the third roller and one side of the guide plate are in rolling connection, and one side of the fourth roller and one side of the guide plate, which is far away from the third roller, are in rolling connection;
the trailing rope includes: the device comprises a frame, a first chain, a second chain and a fixing frame, wherein the first chain is arranged on the frame along the circumferential rotation of the frame, the first chain is connected with a driving device in a transmission manner, the second chain is arranged on the frame along the circumferential rotation of the frame, the second chain is connected with the driving device in a transmission manner, one end of the fixing frame is connected with the first chain, the fixing frame is far away from one end of the first chain and the second chain, and the fixing frame is connected with a trolley.
2. The continuous conveyor of claim 1, further comprising:
the first guide wheel is rotatably arranged at one end of the frame, and the third connecting rope bypasses the first guide wheel when the trolley passes through the first guide wheel;
the second guide wheel is rotatably arranged at one end, far away from the first guide wheel, of the frame, and when the trolley passes through the second guide wheel, the third connecting rope bypasses the second guide wheel.
3. The continuous conveyor of claim 1, wherein the guide plate comprises:
the first flat plate is arranged on the rack along the length direction of the rack;
the second flat plate is arranged on the rack along the length direction of the rack and is positioned below the first flat plate;
the first arc-shaped plate is arranged on the rack, one end of the first arc-shaped plate is connected with one end of the first flat plate, and one end of the first arc-shaped plate, which is far away from the first flat plate, is connected with one end of the second flat plate;
The second arc plate is arranged on the frame, one end of the second arc plate is connected with one end of the first plate, which is far away from the first arc plate, and one end of the second arc plate, which is far away from the first plate, is connected with one end of the second plate, which is far away from the first arc plate.
4. The continuous conveyor of claim 1, further comprising:
the driving chain wheel is rotatably arranged at one end of the frame, the driving device is in transmission connection with the driving chain wheel, and one ends of the first chain and the second chain are sleeved on the driving chain wheel;
the driven sprocket rotates and sets up the frame is kept away from the one end of driving sprocket, first chain with the one end cover that the second chain kept away from driving sprocket is established driven sprocket is last.
5. A shield system, comprising:
a shield device;
the continuous conveyor according to any one of claims 1-4, wherein a frame of the continuous conveyor is connected to the shield apparatus, and the continuous conveyor is configured to continuously convey shield segments to the shield apparatus.
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| CN202311827528.1A CN117465907B (en) | 2023-12-28 | 2023-12-28 | Continuous conveying device and shield system |
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| CN202311827528.1A CN117465907B (en) | 2023-12-28 | 2023-12-28 | Continuous conveying device and shield system |
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| CN117465907A CN117465907A (en) | 2024-01-30 |
| CN117465907B true CN117465907B (en) | 2024-03-19 |
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