CN112429491B

CN112429491B - Conveying device and commercial concrete station

Info

Publication number: CN112429491B
Application number: CN202011387350.XA
Authority: CN
Inventors: 林秋怡; 孟庆元
Original assignee: Chuzhou Vocational and Technical College
Current assignee: Chuzhou Vocational and Technical College
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2022-06-03
Anticipated expiration: 2040-12-01
Also published as: CN112429491A

Abstract

The invention discloses a conveying device and a commercial concrete station, which relate to the technical field of concrete processing equipment and comprise a bracket and a conveying mechanism arranged on the bracket, wherein the conveying mechanism comprises a supporting belt at the inner side and a conveying belt integrally sleeved on the outer side surface of the supporting belt, the conveying belt comprises a plurality of bearing belts, and the bearing belts are sequentially overlapped and connected end to end along the conveying direction, the conveying belt is provided with a plurality of bearing belts which are sequentially overlapped end to end along the conveying direction and connected with the supporting belt through a connecting assembly, a fracture part is arranged at the position between the two bearing belts on the connecting assembly, when a single bearing belt is fractured, a tensile force is provided for the fracture part, so that the fracture part is fractured, one bearing belt can be directly fractured after being fractured, the adjacent bearing belts cannot be dragged to cause the integral shedding of the conveying belt, and the use safety is provided, and the other bearing belts are not pulled up, deformed and damaged, and the maintenance cost is reduced.

Description

Conveying device and commercial concrete station

Technical Field

The invention relates to the technical field of concrete processing equipment, in particular to a conveying device and a commercial concrete station.

Background

Modularization concatenation formula area of taking publicly known, the conveyer belt is the rubber and the fibre that are used for playing to bear the weight of and transport the material effect, metal composite product, or plastics and fabric complex goods, the conveyer belt wide application is in cement, the coking, metallurgy, the chemical industry, in the trades such as steel, because it bears the weight when carrying out concrete processing transport aggregate, conveyer belt yielding wearing and tearing, need wholly change when the conveyer belt appears locally the deformation or wearing and tearing, carry out the aggregate in order to solve the conveyer belt and carry out the problem that the whole replacement cost of yielding wearing and tearing is big, prior art is mostly to design into the conveyer belt has a plurality of independent bearing band combination concatenation formula structures.

If the grant notice number is CN210312062U, the grant notice day is 2020, 04, 14 days, the name is "a drainage concatenation formula conveyer belt" utility model patent, the concrete structure of its conveyer belt is connected with connection structure including the both ends of stating the conveyer belt body, connection structure includes integrative upper wall, lower wall and the lateral wall of connecting, one side of upper wall, lower wall and lateral wall integrated configuration is provided with U type groove, peg graft at U type inslot at the both ends of conveyer belt body, through rivet fixed connection between conveyer belt body and the connection structure, lateral wall body-to-body connection on the connection structure of conveyer belt body one end has semi-circular draw-in groove, lateral wall body-to-body connection on the connection structure of the conveyer belt body other end has semi-circular buckle, mutual joint between semi-circular draw-in groove and the semi-circular buckle.

The shortcoming of prior art lies in that though carry out concatenation combination formula connection structure with conveyer belt global design into by a plurality of bearing belts, appear as local when using and warp wearing and tearing and can correspond and bear the weight of and take the change, but during the in-service use, a certain bearing belt fracture still can pull adjacent conveyer belt in constituteing the conveyer belt, leads to the conveyer belt whole to drop, causes the accident, leads to other conveyer belts to pull up to warp the damage equally.

Disclosure of Invention

The invention aims to provide a conveying device and a commercial concrete station, which are used for solving the defects in the prior art.

In order to achieve the above purpose, the invention provides the following technical scheme: a conveying device comprises a support and a conveying mechanism arranged on the support, wherein the conveying mechanism comprises an inner supporting belt and a conveying belt integrally sleeved on the outer side surface of the supporting belt, the conveying belt comprises a plurality of bearing belts, and the bearing belts are sequentially overlapped and connected end to end along the conveying direction;

still include coupling assembling, two the continuous region of stack of bearing the area, coupling assembling runs through two bear the area and fix both to the support band on, lie in two on the connecting piece bear the position between the area and be provided with fracture portion, fracture portion fracture when receiving predetermined pulling force

As a further description of the above technical solution:

the coupling assembling includes interconnect's first connecting piece and second connecting piece, two the stack linking region in bearing the area, first connecting piece is used for the bearing area that is located the bottom to be connected with supporting the area, the second connecting piece is used for the bearing area that is located the top to be connected with first connecting piece, and the second connecting piece sets up with the hookup location department of first connecting piece the fracture portion.

As a further description of the above technical solution:

the first connecting piece comprises a first thread section and a second thread section, the first thread section is used for connecting a bearing belt, the second thread section is used for connecting a supporting belt, and an anti-falling end cap is horizontally fixed at the top of the first thread end.

As a further description of the above technical solution:

the bottom end of the second connecting piece is integrally formed with a fracture part, and the bottom end of the fracture part is further connected with a connecting screw rod used for being in spiral connection with the first connecting piece.

As a further description of the above technical solution:

the bearing belt is characterized in that step connecting parts are integrally formed on one side edge of the bearing belt, and in the overlapped connecting area of the two bearing belts, the end part of one bearing belt is attached to the bottom surface of the other step connecting part.

As a further description of the above technical solution:

and a connecting nut sleeve is embedded in a position which is used for being matched with the connecting component to be connected on the end part of the bearing belt.

As a further description of the above technical solution:

and an embedded nut sleeve is embedded in the position, used for being connected with the connecting component, of the step connecting part.

As a further description of the above technical solution:

the support belt comprises a conveying mesh belt, and a plurality of groups of connecting seats used for being connected with the first connecting piece are arranged on the conveying mesh belt.

As a further description of the above technical solution:

the two sides of the supporting belt are also connected with chains, and two mesh belt string rods are connected between the chains, wherein the positions of the mesh belt string rods correspond to the positions of the groups of connecting seats one by one, and the mesh belt string rods are connected to the conveying mesh belt in a penetrating manner and fixedly connected with the connecting seats on the conveying mesh belt.

The commercial concrete station comprises an aggregate conveying device, and is characterized in that the aggregate conveying device is the conveying device.

In the technical scheme, the conveying device provided by the invention has the advantages that the conveying belt is provided with the plurality of bearing belts which are sequentially overlapped end to end along the conveying direction and connected with the supporting belt through the connecting assembly, the fracture part is arranged at the position, positioned between the two bearing belts, on the connecting assembly, when a single bearing belt is fractured, the bearing belts are reversely bent and slipped along the conveying direction due to traction, so that a tensile force is provided for the fracture part, the fracture part is fractured, one bearing belt can directly fall off after being fractured, the adjacent bearing belts cannot be pulled, the conveying belt can integrally fall off, the use safety is provided, other bearing belts cannot be pulled, deformed and damaged, and the maintenance cost is reduced.

As the conveying device has the technical effects, the commercial concrete station comprising the conveying device also has corresponding technical effects.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a schematic overall structure diagram of a conveying device according to an embodiment of the present invention;

fig. 2 is a schematic view of a connection structure of a connection assembly and a carrier tape according to an embodiment of the invention;

FIG. 3 is a schematic view of a broken state of a carrier tape according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a connecting assembly according to an embodiment of the present invention;

fig. 5 is a schematic diagram of a connecting assembly according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a support belt according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a carrier tape according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a delivery device according to another embodiment of the present invention;

fig. 9 is a schematic view of a disassembled structure of the reversely-locked conveying device provided by the embodiment of the invention;

fig. 10 is a schematic structural view of a reverse latch assembly according to an embodiment of the present invention;

fig. 11 is a schematic structural diagram of a check mechanism according to an embodiment of the present invention;

FIG. 12 is a schematic structural view of a wedge lock socket provided in an embodiment of the present invention;

fig. 13 is a schematic structural view of a reverse latch provided in an embodiment of the present invention

Fig. 14 is a schematic structural view of a lift adjustment base according to an embodiment of the present invention;

FIG. 15 is a schematic view of a guide cushion assembly according to an embodiment of the present invention;

fig. 16 is a schematic structural view of a guide buffer assembly and a reverse block in a conveying state according to an embodiment of the present invention;

fig. 17 is a schematic structural view of a guide buffer assembly and a reverse locking block in a locked state according to an embodiment of the present invention;

fig. 18 is a schematic view of a connection structure of the first locking portion according to the embodiment of the present invention;

FIG. 19 is a schematic structural diagram of a delivery device according to yet another embodiment of the present invention;

FIG. 20 is a schematic structural view of a stent provided in accordance with an embodiment of the present invention;

fig. 21 is a schematic structural diagram of a conveyor belt according to an embodiment of the present invention;

FIG. 22 is a schematic view of a connection structure between a central shaft and a conveying roller according to an embodiment of the present invention;

FIG. 23 is a schematic view of a central axis distribution provided by an embodiment of the present invention;

FIG. 24 is a schematic view of a rotor distribution according to an embodiment of the present invention;

FIG. 25 is a schematic structural diagram of a rotor according to an embodiment of the present invention;

FIG. 26 is a schematic structural view of a dust collecting mechanism according to an embodiment of the present invention;

FIG. 27 is a schematic structural view of a tightness-maintaining mechanism according to an embodiment of the present invention;

FIG. 28 is a schematic illustration of a dust screen assembly according to an embodiment of the present invention;

fig. 29 is a schematic structural diagram of a portion a in fig. 28 according to an embodiment of the present invention.

Description of reference numerals:

1. a support; 101. a drive motor; 102. a drive roller shaft; 103. a driven roller shaft; 104. a conveying roller shaft; 2. a conveyor belt; 201. a carrier tape; 201a, step connecting part; 201b, connecting a nut sleeve; 201c, embedding a nut sleeve; 21. a dust falling hole; 22. a tooth socket; 3. a base; 31. moving the roller; 30. a reverse clamping block; 301. a connecting frame; 302. a first sliding surface; 303. a first locking portion; 304. a limiting bump; 305. a friction construction; 306. connecting grooves; 307. a buffer spring; 4. a central shaft; 41. a drive chain; 40. a non-return mechanism; 401. a cross frame; 402. a wedge-shaped locking seat; 4021. a second sliding surface; 4022. a second lock part; 5. a rotating wheel; 51. a convex portion; 52. a recess; 50. a lifting adjusting seat; 501. a guide rail bracket; 502. a polish rod; 503. a lifting seat; 504. a return spring; 6. a dust collecting mechanism; 61. a dust collecting plate; 62. a stopper; 63. a dust removal pipe; 60. a guide buffer assembly; 601. a guide frame; 602. a guide space; 603. an end connecting frame; 604. a bevel; 7. a tightness maintaining mechanism; 71. a telescopic frame; 72. a support spring; 73. a tension roller shaft; 74. cleaning the convex part; 70. a connection assembly; 701. a first connecting member; 701a, a first thread section; 701b, a second thread section; 701c, an anti-falling end cap; 702. a second connecting member; 702a, a fracture portion; 702b, a connecting screw rod; 8. a dust screen assembly; 81. a dust cover; 82. a rotating shaft; 83. a screening rack; 84. an annular rack; 85. a transmission fluted disc; 9. a support band; 93. a conveying mesh belt; 94. a mesh belt string rod; 941. a connecting seat; 96. and a chain.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 29, a conveying apparatus provided in an embodiment of the present invention includes a support and a conveying mechanism disposed on the support 1, the conveying mechanism includes a support belt 9 inside and a conveying belt 2 integrally sleeved on an outer side of the support belt, the conveying belt 2 includes a plurality of carrying belts 201, and the carrying belts 201 are sequentially overlapped and connected end to end along a conveying direction; the connecting assembly 70 is further included, in the overlapped and connected area of the two bearing belts 201, the connecting assembly 70 penetrates through the two bearing belts 201 and fixes the two bearing belts to the supporting belt 9, a breaking part 702a is arranged on the connecting assembly 70 and located between the two bearing belts 201, and the breaking part 702a breaks when being subjected to a preset tensile force.

Specifically, the conveying device provided by this embodiment is used for conveying various aggregates in a commercial concrete station, wherein the support 1 is an integral supporting frame, preferably, both ends of the support 1 are respectively and rotatably connected with a driving roller shaft 102 and a driven roller shaft 103, a plurality of conveying roller shafts 104 for assisting in conveying the conveying belt 2 are rotatably connected to the top and the bottom of the support 1 between the driving roller shaft 102 and the driven roller shaft 103, a driving motor 101 is fixed on a casing outside one end of the support 1 close to the driving roller shaft 102, the driving motor 101 is in transmission connection with the driving roller shaft 102 through a coupling to drive the driving roller shaft 102, the conveying belt 2 is of an annular structure, both ends of the conveying belt are respectively sleeved on the driving roller shaft 102 and the driven roller shaft 103, the rotation of the driving roller shaft 102 drives the conveying belt to move to convey the aggregates,

the conveying mechanism comprises a supporting belt 9 at the inner side and a conveying belt 2 integrally sleeved on the outer side of the supporting belt, the conveying belt 2 is formed by sequentially overlapping a plurality of bearing belts 201 end to end along the conveying direction of the supporting belt 9, wherein the sequentially overlapping end to end means that the conveying belt conveys aggregates in the direction that the conveying belt conveys the aggregates, the forward direction is the first direction, and the backward direction is the last direction, as shown in fig. 1 and 2, the tail part of the front bearing belt 201 is overlapped on the head part of the back bearing belt 201, namely, the lower surface of the first tail part is adhered on the upper surface of the back head part, the area where the two bearing belts are connected end to end is an overlapped connecting area, the overlapped connecting areas of the bearing belts 201 are connected with the supporting belt 9 through a connecting assembly 70, so that the bearing belts 201 are sequentially connected and fixed on the supporting belt 9, and a fracture part 702a is arranged at the position, between the two bearing belts 201, on the connecting assembly 70, fracture portion 702a is receiving and is predetermineeing the fracture when pulling force, because a plurality of bearing band 201 superposes along the direction of delivery end to end in proper order, make two adjacent bearing band 201 of connecting along the bearing band 201 tail end connection rear side's of direction of delivery front side bearing band 201 surface, when the bearing band 201 fracture upset that is located the front side, the fracture portion 702 disconnection of coupling assembling 70 is made to the pulling force that produces through bearing band 201 fracture, thereby make cracked bearing band 201 drop from conveyer belt 2, all the other parts bearing band 201 on conveyer belt 2 keep normally fixing on supporting band 9, can not pull adjacent bearing band, fracture portion 702a is receiving and predetermineeing the fracture when pulling force.

In this embodiment, the breaking portion is a portion with weaker strength than other portions, for example, the connecting member is a cylinder, the cylinder of the breaking portion is provided with a groove portion, the groove portion is provided, the portion is thin and is easy to break, or the breaking portion is a connecting portion of two structures, for example, a riveted connecting portion of two structures, the two structures are respectively connected with the two carrier tapes 201, when the connecting portion is subjected to a preset stress, the connecting portion is fragile and breaks first, obviously, the connecting structures all have stress fragile portions, and the stress applied to the portions when the connecting portion is broken can be measured and can be used as the breaking portion of this embodiment, in this embodiment, the preset tensile force is 0.5-3 times of the self weight of the single carrier tape 201 during aggregate transportation, preferably 0.5-1 times, since the preset tensile force can be determined in advance, the configuration of the breaking portion can be performed according to the determined preset tensile force, this can be obtained for limited experiment, and this embodiment is not repeated, so, when one of them bearing belt broke, under its gravity and partial aggregate's pressure dual function, its upset made the fracture portion break, and the fracture portion of this bearing belt drops from conveyor, does not influence other parts.

During actual conveying, the front end of the carrier tape 201 in the conveying direction can be fixed by the connecting assembly 70 in a section below the fracture part 702a, and the tensile force generated in the carrier tape 201 during conveying is borne, so that the section above the fracture part 702a is only used for fixing and limiting the carrier tape 201 at the tail end in the conveying direction, and the tensile force does not need to be borne during conveying, thereby ensuring the stability of the connection.

According to the conveying device provided by the embodiment of the invention, the conveying belt 2 is provided with the plurality of bearing belts 201 which are sequentially overlapped end to end along the conveying direction and connected with the supporting belt 9 through the connecting assembly 70, and the fracture part 702a is arranged at the position between the two bearing belts 201 on the connecting assembly 7, when a single bearing belt 201 is fractured, the bearing belts 201 are reversely bent and slipped along the conveying direction due to traction, so that a tensile force is provided for the fracture part 702a, the fracture part 702a is fractured, and after one bearing belt 201 is fractured, the fractured bearing belt 201 is directly slipped off, the adjacent bearing belt 201 cannot be pulled, the conveying belt 2 is integrally slipped off, the use safety is improved, the other bearing belts 201 cannot be pulled up, deformed and damaged, and the maintenance cost is reduced.

In another embodiment of the present invention, it is preferable that the connection assembly 70 includes a first connection member 701 and a second connection member 702 which are connected to each other, in the overlapped connection region of the two carrier tapes 201, the first connection member 701 is used for connecting the carrier tape 201 at the bottom with the support belt 9, the second connection member 702 is used for connecting the carrier tape at the top with the first connection member 701, and a fracture part 702a is provided at the connection position of the second connection member 702 and the first connection member 701. The connecting assembly 70 is composed of a first connecting member 701 and a second connecting member 702, the connection between the carrier tape 201 with the overlapping connection area at the bottom and the supporting tape 9 is realized by the first connector 701, the second connector 702 is used for connecting the carrier tape with the overlapping connection area at the top with the first connector 701 of the carrier tape 201, the first connector 701 may be installed and connected, and then the second connector 702 may be installed and connected with the first connector 701, it is more convenient to connect and fix a plurality of the carrier tapes 201 on the support bands 9, the fracture part 702a is arranged at the connection position of the second connecting piece 702 and the first connecting piece 701 to realize the fracture of the tensile force when the carrier tapes 201 are fractured, the second connecting piece 702 and the first connecting piece 701 are disconnected, the carrier tape 201 can be automatically dropped after being broken, and the wire can not be pulled through the carrier tape 201.

In yet another embodiment of the present invention, further, the first connecting member 701 includes a first threaded section 701a and a second threaded section 701b, the first threaded section 701a is used for connecting the carrying band 201, the second threaded section 701b is used for connecting the supporting band 9, and an anti-slip end cap 701c is horizontally fixed on the top of the first threaded end 701 a. Specifically, the first connecting member 701 may be a connecting stud, which has a first threaded section 701a and a second threaded section 701b, the first threaded section 701a is used for connecting the carrying band 201, and the second threaded section 701b is used for connecting the supporting bands 9, so that the first connecting member 701 connects the carrying band 201 whose overlapping connecting region is located at the bottom with the supporting bands 9, the anti-disengaging end cap 701c is horizontally fixed on the top of the first threaded end 701a, so that when the fracture part 702a of the second connecting member 702 fractures, the anti-disengaging end cap 701c is horizontally fixed on the top of the first threaded end 701a, which can limit and fix the carrying band 201 whose overlapping connecting region is located at the bottom fixed thereon, and prevent the carrying band 201 whose overlapping connecting region is located at the bottom from disengaging from the supporting bands 9.

In still another embodiment of the present invention, further, a breaking portion 702a is integrally formed at a bottom end of the second connecting member 702, and a connecting screw 702b for screwing with the first connecting member 701 is further connected to a bottom end of the breaking portion 702 a. Specifically, the second connecting member 702 is connected to the stud, and is spirally connected to the top of the carrier tape 201 in the overlapping connection region, and the bottom of the connecting stud is connected to the connecting screw 702b through the fracture part 702a, and is spirally embedded and connected to the top of the first connecting member 701 through the connecting screw 702b, (the top of the first connecting member 701 is provided with a thread groove matched with the connecting screw 702b for connection) to fix the top of the carrier tape 201 in the overlapping connection region and the bottom of the carrier tape 201.

In another embodiment of the present invention, a step connecting portion 201a is integrally formed on one side of the carrier tape 201, and in the overlapped connecting region of the two carrier tapes 201, the end of one carrier tape 201 is attached to the bottom surface of the other step connecting portion 201 a. Specifically, through set up step connecting portion 201a in one side of bearing area 201, be convenient for a plurality of bearing area 201 are whole to be leveled the connection to make a plurality of bearing area 201 interconnect constitute 2 equidistance of conveyer belt have a plurality of along direction of delivery looks vertically bar sand grips, the material gliding when preventing to carry the aggregate.

In still another embodiment of the present invention, a coupling nut sleeve 201b is embedded in the end of the carrier tape 201 at a position for coupling with the coupling assembly 70. Specifically, through the setting of connecting nut cover 201b, compare in coupling assembling 70 and directly be connected with bearing area 201, can improve the stability of connecting, protect bearing area 201 simultaneously, prevent that the area that bearing area 201 and coupling assembling 70 are connected from appearing the fracture deformation.

In another embodiment of the present invention, an embedded nut sleeve 201c is embedded in the step connecting portion 201a at a position for matching with the connecting assembly 70 for connection. Specifically, embedded nut cover 201c has an end cap cover for covering at its order integrated into one piece with current nut, embedded nut cover 201c improves the stability that coupling assembling 70 connects, protect step connecting portion 201a simultaneously, prevent that the region that step connecting portion 201a and coupling assembling 70 are connected from appearing the deformation of splitting, and the end cap cover on embedded nut cover 201c can bury the built-in completely to the end on coupling assembling 70 top, keep 2 surfacing of conveyer belt, be convenient for clear up 2 surfaces of conveyer belt.

In another embodiment of the present invention, the supporting belt 9 includes a mesh belt 93, and a plurality of sets of connecting bases 941 are disposed on the mesh belt 93 for connecting with the first connecting elements 701. Specifically, the connecting seat 941 is used to assist in connecting with the second threaded section 701b of the first connecting part 701, so as to connect and fix the first connecting part 701.

In another embodiment of the present invention, two sides of the supporting belt 9 are further connected with chains 96, and a mesh belt string rod 94 is connected between the two chains 96, wherein the positions of the mesh belt string rods 94 correspond to the positions of the respective sets of connecting seats 941 one by one, and the mesh belt string rod 94 is connected to the conveying mesh belt 93 in a penetrating manner and is fixedly connected to the connecting seats 941 on the conveying mesh belt 93. Specifically, through the fixed of chain 96 cooperation guipure cluster pole 94 to gateway cluster pole 94 is fixed with connecting seat 941, makes the atress of connecting seat 941 can be supported by guipure cluster pole 94, and the atress of connecting seat 941 can not all act on itself of conveying mesh belt 93, prevents conveying mesh belt 93 and warp the damage, prolongs this conveyor's life.

Referring to fig. 8-18, in the conveying apparatus according to the embodiment of the present invention, a plurality of sets of reverse blocks 30 are disposed at the bottom of the supporting band 2 along the length direction; the fixture also comprises a plurality of non-return mechanisms 40, each non-return mechanism 40 is connected to the bracket, each non-return mechanism 40 and each reverse fixture block 30 are correspondingly arranged in groups, and each non-return mechanism 40 comprises a transverse frame 401 and a plurality of wedge-shaped locking seats 402 arranged on the transverse frame 401; the reverse latch 30 includes a first sliding surface 302 at the bottom and a first locking portion 303 at the tail, and the wedge-shaped locking seat 402 includes a second sliding surface 4021 at the top and a second locking portion 4022 at the front; when the support band 2 moves forward, the first sliding surface 302 and the second sliding surface 303 are in sliding fit, and when the support band 2 moves backward, the first locking part 303 and the second locking part 4022 are inserted.

Specifically, the two ends of the bracket 1 are rotatably connected with the driving roller shaft 102 and the driven roller shaft 103 respectively, wherein the driving roller shaft 102, the driven roller shaft 103 and the conveying roller shaft 104 are provided with a plurality of annular grooves for avoiding the use of the reverse fixture blocks 30, the bottom of the support belt 2 is provided with a plurality of reverse fixture blocks 30 along the length direction, the plurality of reverse fixture blocks 30 are distributed at equal intervals, each group of reverse fixture blocks 30 comprises a plurality of reverse fixture blocks 30 arranged at equal intervals, each reverse fixture block 40 further comprises a plurality of check mechanisms 40, each check mechanism 40 is connected to the bracket, the interval between every two adjacent check mechanisms 40 is equal to the interval between every two adjacent groups of reverse fixture blocks 30, each check mechanism 40 comprises a cross frame 401 and a plurality of wedge-shaped locking seats 402 arranged on the cross frame 401, the interval between every wedge-shaped locking seats 402 on the cross frame 401 is equal to the interval between every two reverse fixture blocks 30 in each reverse fixture block 30 in each group, namely, each wedge-shaped locking seat 402 on each check mechanism 40 is equal to each reverse fixture block 30 in each group, and each reverse fixture block 30 in each check mechanism, one-to one another When the support belt 2 is in normal rotation for conveying aggregates, a first sliding surface 302 at the bottom of the reverse fixture block 30, such as a wedge-shaped surface, is in sliding fit with a second sliding surface 303 at the top of the wedge-shaped locking seat 402, such as a wedge-shaped surface, to realize normal operation of the support belt 2, i.e. the wedge-shaped locking seat 402 does not almost bring negative effects to the conveying of the support belt, when the support belt slides reversely or slips due to fracture, the first locking part 303 at the tail end of the reverse fixture block 30 is inserted into the second locking part 4022 at the front end of the wedge-shaped locking seat 402, the first locking part and the second locking part are in an inserted structure, such as a protrusion, the other is the groove or the hole of mutually pegging graft the complex with this arch, moreover, because first locking portion 303 is located the tail end of reverse fixture block (the direction that advances when supporting the area and carrying is first), simultaneously, second locking portion avoids the second glide plane for first locking portion and second locking portion do not have negative effects to the transport of supporting the area almost, realize supporting area 2 and carry out the locking, wherein, the tail end of reverse fixture block 30 and the front end of wedge locking seat 402 all use the direction of delivery who supports area 2 as the front end.

The check mechanism 40 provided in the present embodiment, optionally, the height of the wedge-shaped locking seat 402 is configured as follows: when the support belt carries the aggregate, it does not jack up the support belt by the reverse block, i.e., the support belt runs smoothly, but preferably, the height of the wedge locking seat 402 is configured to: when the support belt carries aggregate, the wedge locking seat 402 lifts up the support belt by the reverse clamping blocks so that there is an up-and-down vibration perpendicular to the direction of the support belt. The effect of this arrangement is that it can achieve a degree of dust removal when the support belt has holes or slots therein.

In this embodiment, when the support band broke off, because the effect of gravity, it can the reverse motion (opposite when carrying the aggregate) owing to its collapse downwards of fracture moreover, the motion range of so reverse fixture block downstream, when the whole support band glides down along the support, second locking portion pegs graft with first locking portion mutually, realizes the locking to the support band, stops or slows down the support band at least and moves down.

According to the conveying device provided by the embodiment of the invention, when the supporting belt normally rotates and is conveyed, the plurality of groups of reverse clamping blocks at the bottom of the supporting belt are in sliding fit with the non-return mechanism, and when the supporting belt reversely slides or is broken and slipped, the first locking parts on the reverse clamping blocks at the bottom of the supporting belt are inserted into the second locking parts of the wedge-shaped locking seats in the non-return mechanism, so that the supporting belt is locked, surrounding workers are prevented from being injured by slipping and slipping of the supporting belt, and the safety of the conveying device in conveying aggregate is improved.

In another embodiment provided by the present invention, preferably, the fixing device further comprises a plurality of connecting frames 301, each connecting frame 301 is connected to each set of reverse fixture blocks 30 in a one-to-one correspondence manner, and the connecting frames are fixedly connected to the bottoms of the support bands. Through fixing a plurality of reverse fixture blocks 30 in every group of reverse fixture block 30 on link 301 at first, install link 301 at the back that supports area 2 again, thereby increase reverse fixture block 30 and support the area of fixation between the area, prevent that a plurality of reverse fixture blocks 30 from independently fixing on supporting area 2, reverse fixture block 30 is supporting area 2 and the tearing of reverse fixture block 30 junction that leads to too big effort when supporting area 2 carries out the locking and is supporting area 2, and a plurality of reverse fixture blocks 30 are connected for the dismantlement formula with link 301 and are convenient for the dismantlement change to reverse fixture block 30.

In still another embodiment of the present invention, preferably, both ends of the cross frame 401 are connected to the bracket through a lift adjusting base 50, the lift adjusting base 50 includes a guide rail frame 501 and a return spring 504, the guide rail frame 501 is disposed on the bracket, an end of the cross frame 401 is slidably connected to the guide rail frame 501, the return spring 504 is disposed in the guide rail frame 501, and an elastic force of the return spring 504 is configured to drive the cross frame 401 to move upward, specifically, both ends of the cross frame 401 are connected to the bracket through a lift adjusting base 50, the lift adjusting base 50 includes the guide rail frame 501, a lift base 503 is slidably sleeved in the guide rail frame 501 through a polish rod 502, the lift base 503 is connected to an end of the cross frame 401, and a return spring 504 is sleeved at one end of the bottom of the lift base 503, wherein the elastic force of the return spring 504 drives the lift base 503 to move upward, when the supporting belt 2 is normally conveyed, the first sliding surface 302 at the bottom of the reverse fixture block 30 is slidably engaged with the second sliding surface 303 at the top of the wedge-shaped locking base 402, simultaneously reverse fixture block 30 extrusion wedge locking seat 402, wedge locking seat 402 effect and crossbearer 401 cooperation lift adjustment seat 50 move down to reduce the first glide plane 302 of the first glide plane in bottom of reverse fixture block 30 and the second glide plane 303 sliding fit production at wedge locking seat 402 top frictional force, reduce the power requirement of supporting the operation of belt 2, make to support the belt and carry more stably, prevent to support the belt skew to appear. Meanwhile, after the reverse latch 30 leaves, the lifting adjusting seat 50 enables the wedge-shaped locking seat 402 to move upwards, so that the first locking part can be accurately received, and the hidden danger that the first locking part cannot be received due to the fact that the position of the second locking part is low can be eliminated.

In another embodiment provided by the present invention, the first sliding surface 302 and the second sliding surface 4021 have a sliding limiting structure, specifically, the second sliding surface 4021 has a guide rail groove, the surface of the first sliding surface 302 has a convex portion adapted to the guide rail groove, more preferably, the second sliding surface 4021 has a convex portion, and the surface of the first sliding surface 302 has a guide rail groove adapted to the convex portion; make and support the first glide plane 302 of the first glide plane in bottom of the reverse fixture block 30 of belt 2 when normal transport and when the second glide plane 303 sliding fit at wedge locking seat 402 top, realize sliding spacing to support belt 2 and carry on spacingly, prevent to support the belt and carry the lateral shifting to appear, improve and support the stability that the belt carried.

In yet another embodiment of the present invention, further, the present invention further includes a plurality of guiding cushion assemblies 60, each guiding cushion assembly 60 includes two guiding frames 601 arranged in parallel, a guiding space 602, such as a strip-shaped clearance space, for limiting the reverse latch 30 is formed between the two guiding frames 601, each guiding cushion assembly 60 is correspondingly matched with each wedge-shaped locking seat 402, and the guiding space 602 is abutted to the second sliding surface 4021. Concretely, support 2 when normally carrying the aggregate, after reverse fixture block 30 and wedge locking seat 402 counterpoint sliding fit separation, reverse fixture block 30 removes to in the guide space 602 that forms between two leading truck 601, it is spacing to carry out reverse fixture block 30 to guide space 602 through two leading truck 601 strokes, thereby realize carrying 2 to support the area and carry out spacing rectifying, make 2 support area carry out conveying in-process reverse fixture block 30 and wedge locking seat 402 counterpoint sliding fit, or reverse fixture block 30 and wedge locking seat 402 counterpoint sliding fit separation back all can be realized carrying spacingly to support area 2, prevent that the skew from appearing in the support area, further improve the stability that supports the area and carry.

In another embodiment of the present invention, the other ends of the two guide frames 601 are further connected to the cross frame 401 of the adjacent non-return mechanism 40 through the end connecting frame 603, the opposite surfaces of the two guide frames 603 are both provided with an inclined plane 604, specifically, the two ends of the guide frames 601 are fixed through the end connecting frame 603, and when the support band 2 is broken and sinks, the support band 2 can be supported through the lead frame 601.

In another embodiment of the present invention, the bottom of the reverse latch 30 is integrally formed with a limiting protrusion 304 adapted to the guiding space 602 formed by the two guiding frames 601, and two sides of the limiting protrusion 304 are formed with friction structures 305, such as a rough friction surface, or other structures capable of increasing friction force. Specifically, as shown in fig. 16, in the conveying state, the support band 2 moves upward (upward obliquely), the limiting protrusion 304 at the bottom of the reverse clamping block 30 slides and is limited in the guiding space 602 formed by the two guiding frames 601, thereby limiting the reverse clamping block 30, i.e. conveying and limiting the support band 2, when the support band 2 is loosened or broken, the support band 2 is in the locking state, the support band 2 drives the reverse clamping block 30 and the limiting protrusion 304 to sink and slide in a reverse accelerated manner due to the breakage, at this time, the friction structure 305 formed on the two side surfaces of the limiting protrusion 304 is in friction fit with the inclined surfaces 604 formed on the opposite surfaces of the two guiding frames 603, thereby achieving the sliding buffering of the support band 2, and limitedly avoiding the support band from accelerating downward sliding impact after the breakage until the reverse clamping block 30 at the bottom of the support band 2 is locked with the wedge-shaped locking seat 402 at the moment of opening and closing, the impact force that causes is big, easily leads to reverse fixture block 30 and wedge locking seat 402 and support and take 2 damages, can lead to the aggregate on the support area 2 to rush out because of inertia simultaneously and injure staff on every side, realizes supporting the area 2 and carry out the buffering slip until carrying out the locking, further improves the security, and the preferred butt joint face that has anti-skidding stripe with the inclined plane 604 looks adaptation that two leading truck 603 opposite faces were seted up of friction structure 305.

In another embodiment of the present invention, a connecting groove 306 is formed at the tail end of the reverse latch 30, and the connecting groove 306 is connected to the first locking portion 303 used in cooperation with the second locking portion 4022 through a buffer spring 307. Specifically, reverse fixture block 30 carries out swing joint first locking portion 303 through spread groove 306 cooperation buffer spring 307 for when first locking portion 303 and second locking portion 4022 peg graft and carry out the locking to supporting belt 2, buffer spring 307 can cushion first locking portion 303, and the collision effect when further reducing to peg graft improves the stationarity that supports belt 2 locking.

Referring to fig. 19 to 29, a conveying apparatus according to an embodiment of the present invention includes a support 1, a conveying belt 2 for conveying aggregate is conveyed on the support 1, a plurality of dust falling holes 21 are formed in the conveying belt 2 along a length direction, and the dust falling holes 21 correspondingly penetrate through a carrying belt 201 and a supporting belt 9; still include a plurality of center pins 4, each center pin 4 is connected on support 1, and each center pin 4 arranges in parallel in the below of the transport section of conveyer belt 2, is provided with runner 5 on the center pin 4, and the edge of runner 5 includes two sections different with center pin 4 distance, and the motion of conveyer belt 2 drives runner 5 and rotates.

Specifically, the conveying belt 2 is provided with a plurality of dust falling holes 21 along the length direction thereof, for example, the dust falling holes 21 are arranged at equal intervals or at unequal intervals, and also comprises a plurality of central shafts 4, the central shafts are provided with rotating wheels which can rotate relative to the bracket, and the bottom surface of the conveying section (the part for bearing the aggregates) of the conveying belt 2 is lapped on the rotating wheel, and because the friction force exists between the conveying section and the rotating wheel 5, the friction causes the transport section to move, driving the wheel 5 to rotate, while the edge of the wheel 5 comprises two sections, such as a first section and a second section, at different distances from the central axis 4, thus, during the rotation of the rotating wheel 5, the conveying sections are intermittently contacted with the first section and the second section, namely the distance between the conveying sections and the central shaft 4 is intermittently changed, thus, wave-shaped or wave-like motion is formed, and the fluctuation of the up-and-down vibration enables aggregate conveyed by the aggregate to synchronously take wave-shaped or wave-like motion. The aggregate moves up and down in a wave manner on the conveyer belt, so that dust adhered on the aggregate falls off and falls down from the dust falling holes 21, and dust removal is realized.

Preferably, the bottom of support 1 still is connected with base 3, and base 3 is used for carrying out the tilting to support installation to support 1, satisfies the material loading demand, still is connected with removal gyro wheel 31 on the base 3, adjusts and removes through removal gyro wheel 31 auxiliary stand 1.

According to the conveying device provided by the embodiment of the invention, the rotating wheel is driven to rotate during conveying of the conveying belt, and the conveying belt is vibrated when the rotating wheel rotates, so that dust of aggregate on the conveying belt falls through the dust falling hole to be removed.

In this embodiment, the rotating wheel 5 can rotate relative to the bracket 1, and there are at least two embodiments, one of which is that the central shaft 4 is fixed on the bracket 1, the rotating wheel 5 is rotatably connected on the central shaft 4, and the other is that the rotating wheel 5 is fixedly connected on the central shaft 4, and the central shaft 4 is rotatably connected on the bracket 1.

In another embodiment provided by the invention, further, when the central shaft 4 is rotatably connected to the bracket 1, and the rotating wheel 5 is fixed on the central shaft 4, the end of the central shaft 4 is rotatably connected with the adjacent conveying roller shaft 104 through the transmission chain 41. When the driving motor 101 acts on the driving roller shaft 102 to rotate, the driving roller shaft 102 is matched with the driven roller shaft 103 and the conveying roller shaft 104 to rotate so as to drive the conveying belt 2 to rotate to convey aggregate, and when the conveying belt 2 conveys the aggregate, the conveying roller shaft 104 is matched with the transmission chain 41 to drive the central shaft 4 to rotate in a rotating way, the rotating wheel 5 on the central shaft 4 is driven to rotate by the rotation of the central shaft 4, so that the rotating wheel 5 has two driving forces to improve the rotating effect, the end of the rotating wheel 5 far away from the central shaft 4 realizes the vibration of the bottom of the conveying belt 2, the conveyer belt 2 is enabled to vibrate synchronously during conveying, dust in aggregate conveyed on the conveyer belt 2 is subjected to vibration separation and then is separated and removed through the dust falling holes 21, conveying of the aggregate is completed at one time, the dust in the aggregate is separated and removed passively, other procedures do not need to be configured, and the working efficiency is improved.

In a further embodiment of the present invention, it is preferable that the rotating wheel 5 is one of a cam, an eccentric wheel or an elliptical wheel, wherein the edges of the cam, the eccentric wheel and the elliptical wheel have two sections with different distances from the central shaft 4, and the two sections have standard parts, and the bottom of the conveying belt 2 is driven by vibration through one end of the standard part far away from the central shaft 4.

In still another embodiment provided by the invention, further, a convex part 51 is integrally formed at the edge of the rotating wheel 5, the distance between the convex part 51 and the central shaft 4 is larger than the distance between the edge of the rotating wheel 5 and the central shaft 4, the rotating wheel 5 is driven by the central shaft 4 to be in rotating fit with the convex part 51 to realize vibration driving on the bottom of the conveyer belt 2, concave parts 52 are symmetrically formed at two sides of the connecting position of the convex part 51 and the rotating wheel 5, and stepped lifting can be realized when the rotating wheel 5 is matched with the convex part 51 to perform vibration lifting on the conveyer belt 2 through the arrangement of the concave parts 52, so that compared with the traditional cam smooth type lifting vibration driving, the vibration effect is improved.

In another embodiment of the present invention, the central shaft 4 is an arc rod with an outer shape parallel to the bottom surface of the conveying section, and the central shaft 4 is an arc rod with a protrusion, so that the central shaft 4 itself protrudes when rotating to realize the vibration driving of the conveying belt 2.

As a further preferable technical solution of this embodiment, the support is further provided with a tightness maintaining mechanism 7, and the tightness maintaining mechanism 7 is arranged on a side of the support 1 away from the conveying section; the tightness maintaining mechanism 7 comprises an expansion bracket 71 and a supporting spring 72 sleeved on the expansion bracket 71, one end of the expansion bracket 71 is fixed on the support 2, and the other end of the expansion bracket 71 is attached to the conveyor belt 2 through a tensioning roller shaft 73.

Specifically, the telescopic frame 71 is composed of a sleeve and a core rod which is embedded in the inner side of the sleeve in a sliding manner, and the core rod is sleeved with a supporting spring 72, wherein the elastic force of the supporting spring 72 is assembled to drive the core rod to move away from the sleeve, the bottom end of the core rod is rotatably connected with a bonding roller shaft 73, and the tensioning roller shaft 73 is attached to the conveying belt 2.

Further, the surface of the tension roller shaft 73 is uniformly provided with cleaning protrusions 74, and the cleaning protrusions 74 are matched with the dust falling holes 21 on the conveyor belt 2. Through supporting spring 72 and expansion bracket 71's cooperation, make tensioning roller 73 support conveyer belt 2, conveyer belt 2 can keep activity tensioning state when vibrations, prevent that the conveyer belt from carrying vibrations for a long time and leading to the conveyer belt to handle the slack state and influence the aggregate and carry, the clearance bellying 74 on tensioning roller 73 simultaneously can follow the conveyer belt 2 internal surface and imbed in the dust falling hole 21 on conveyer belt 2, the realization is cleared up out the granule aggregate of card owner in the dust falling hole 21, prevent that dust falling hole 21 from blockking up, further improve the effect of getting rid of to dust separation.

As a further preferable configuration of the present embodiment, two or more wheels 5 are provided on each center shaft 4, and the conveyor belt 2 is driven by multipoint vibration by providing a plurality of wheels 5 on the center shaft 4, thereby further improving the vibration effect.

As a further preferable technical solution of this embodiment, a set of wheels 5 and two sets of wheels 5 are respectively disposed on any two adjacent central shafts 4, the set of wheels 5 is disposed at a middle position of the central shaft 5, and the two sets of wheels 5 are disposed at two end positions of the central shaft 5. Through setting up runner 5 respectively at middle section position and both ends position on with adjacent two center pin 4, when cooperating runner 5 on it through center pin 4 and carry out the drive of vibrating to conveyer belt 2, center pin 3 cooperation wherein section position runner 5 realizes shaking the aggregate on the conveyer belt 2 and disperse to 2 both sides of conveyer belt, center pin 3 cooperation both ends position runner 5 realizes shaking the aggregate on the conveyer belt 2 and gathering to 2 centers of conveyer belt, the improvement is to dust vibration separation effect in the aggregate.

As a further preferable technical solution of this embodiment, the dust falling hole 21 is one or more of a strip-shaped hole, a circular hole, and an elliptical hole, and when the dust falling hole is one or more of a strip-shaped hole, a circular hole, and an elliptical hole, the cleaning protrusion is adapted to the cleaning protrusion.

As a further preferable technical solution of the present embodiment, the dust collecting device further comprises a dust collecting mechanism 6 disposed below the conveying end of the conveyor belt 2; the dust collecting mechanism 6 comprises a dust collecting plate 61, the dust collecting plate 61 is fixed in the support 1, a stop block 62 is arranged at the bottom of the dust collecting plate 6, two sides of the bottom of the dust collecting plate 61 are symmetrically connected with dust collecting pipes 63 which are distributed in a splayed shape, and the dust collecting pipes 63 penetrate through the support 1 and extend to the outer side of the support 1.

The dust that falls dirt hole 21 screening separation on conveyer belt 2 falls to and connects in the dirt board 61, then through connect the dirt board 61 activity to its bottom through the dog 62 finally discharge from dust removal pipe 63, realize collecting the dust of aggregate separation automatically, the clearance is convenient.

As a further preferable technical scheme of the embodiment, the conveyor further comprises a dustproof screen assembly 8, wherein the dustproof screen assembly 8 is arranged on the support 1 and is used for sealing and coating the conveying path of the conveying belt 2 on the support 1;

the dustproof screening assembly 8 protects a dustproof cover 81 arranged on the support 1, the inner side of the dustproof cover 81 is connected with a plurality of rotating shafts 82 in an equidistant rotating mode, the rotating shafts 82 are connected with screening frames 83, the end positions of the rotating shafts 82 are fixedly sleeved with annular toothed frames 84, the side walls of the dustproof cover 81 are connected with transmission toothed discs 85 in a rotating mode, and the transmission toothed discs 85 are connected with the annular toothed frames 84 in a meshed mode;

the edge of the conveying belt 2 is provided with a tooth groove 22, and the tooth groove 22 is meshed with the transmission gear plate 83.

Dust cover 81 can prevent during the aggregate vibrations dust removal that carry conveyer belt 2 from diffusing to the air, improve operational environment, simultaneously when conveyer belt 2 carries the aggregate, tooth's socket 22 cooperation transmission fluted disc 85 and annular tooth frame 82 on the conveyer belt 2 drive axis of rotation 82 rotate, axis of rotation 82 cooperation screening frame 83 rotates the aggregate that realizes carrying on conveyer belt 2 and carries out the even stirring dispersion, the effect of dust vibrations separation in the improvement to the aggregate, and set up transmission fluted disc 85 as middle drive mechanism, make the rotation direction of axis of rotation 82 the same with 2 direction of delivery of conveyer belt, prevent that axis of rotation 82 from leading to 2 aggregates of conveyer belt gliding when driving screening frame 83 to rotate, make conveyer belt 2 carry the aggregate normal clear.

The embodiment of the invention also provides a commercial concrete station which comprises the aggregate conveying device. As the conveying device has the technical effects, the commercial concrete station comprising the conveying device also has corresponding technical effects.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. A conveying device comprises a support and a conveying mechanism arranged on the support, and is characterized in that the conveying mechanism comprises an inner supporting belt and a conveying belt integrally sleeved on the outer side surface of the supporting belt, the conveying belt comprises a plurality of bearing belts, and the bearing belts are sequentially overlapped and connected end to end along the conveying direction;

the connecting component penetrates through the two bearing belts and fixes the two bearing belts to the supporting belt in the superposed and connected area of the two bearing belts, and a fracture part is arranged on the connecting component and positioned between the two bearing belts and is fractured when a preset tensile force is applied to the fracture part;

the connecting assembly comprises a first connecting piece and a second connecting piece which are connected with each other, the first connecting piece is used for connecting the bearing belt positioned at the bottom with the supporting belt in the superposed connecting area of the two bearing belts, the second connecting piece is used for connecting the bearing belt positioned at the top with the first connecting piece, and the connecting position of the second connecting piece and the first connecting piece is provided with the fracture part;

the first connecting piece comprises a first thread section and a second thread section, the first thread section is used for connecting the bearing belt, the second thread section is used for connecting the supporting belt, and the top of the first thread end is horizontally fixed with an anti-falling end cap;

the bottom end of the second connecting piece is integrally formed with a fracture part, and the bottom end of the fracture part is also connected with a connecting screw rod for being in spiral connection with the first connecting piece;

a plurality of groups of reverse clamping blocks are arranged at the bottom of the supporting belt along the length direction; the anti-blocking mechanism comprises a bracket, a plurality of anti-blocking mechanisms and a plurality of clamping blocks, wherein the bracket is provided with a plurality of clamping holes; the reverse clamping block comprises a first sliding surface at the bottom and a first locking part at the tail part, and the wedge-shaped locking seat comprises a second sliding surface at the top and a second locking part at the front part; when the supporting belt moves forwards, the first sliding surface and the second sliding surface are in sliding fit, and when the supporting belt moves reversely, the first locking part and the second locking part are connected in an inserting mode.

2. The conveying device as claimed in claim 1, wherein the carrying belts are integrally formed with step connecting portions at one side, and in the overlapped connecting region of the two carrying belts, the end of one carrying belt is attached to the bottom surface of the other step connecting portion.

3. A conveyor apparatus as claimed in claim 2 wherein the carrier strip has a coupling nut sleeve embedded in the end thereof at a location for engaging the coupling assembly for coupling.

4. The conveying device as claimed in claim 2, wherein a pre-embedded nut sleeve is embedded in the step connecting part at a position for being connected with the connecting component.

5. A conveyor apparatus as in claim 1 wherein the support belt comprises a conveyor belt, and wherein the conveyor belt is arranged with a plurality of sets of connecting sockets for use in connection with the first connecting members.

6. The conveying device according to claim 5, wherein the two sides of the supporting belt are further connected with chains, and a mesh belt string rod is connected between the two chains, wherein the mesh belt string rod corresponds to the positions of the groups of connecting seats one by one, and the mesh belt string rod is connected on the conveying mesh belt in a penetrating manner and is fixedly connected with the connecting seats on the conveying mesh belt.

7. A commercial concrete station, characterized in that the aggregate conveying device is the conveying device of any one of claims 1-6.