CN112429492A

CN112429492A - Passive dust removal type conveying device and commercial concrete station

Info

Publication number: CN112429492A
Application number: CN202011387384.9A
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: 2021-03-02
Anticipated expiration: 2040-12-01
Also published as: CN112429492B

Abstract

The invention discloses a passive dust removal type conveying device and a commercial concrete station, which comprise a bracket, wherein a conveying belt for conveying aggregate is conveyed on the bracket, and a plurality of dust falling holes are formed in the conveying belt along the length direction; the passive dust removal type conveying device is characterized by further comprising a plurality of central shafts, wherein each central shaft is connected to the support, the central shafts are arranged below the conveying section of the conveying belt in parallel, rotating wheels are arranged on the central shafts, the edges of the rotating wheels comprise two sections with different distances from the central shafts, the rotating wheels are driven by the movement of the conveying belt to rotate, the rotating wheels are driven by the conveying belt to rotate, and the conveying belt is vibrated by the rotation of the rotating wheels, so that dust of aggregate on the conveying belt falls through dust falling holes to be removed.

Description

Passive dust removal type conveying device and commercial concrete station

Technical Field

The invention relates to the technology of concrete processing equipment, in particular to a passive dust removal type conveying device and a commercial concrete station

Background

It is known that, because concrete with different strength grades needs aggregates, powder, water and additives with different weight ratios, when a concrete mixing station, that is, a commercial concrete station, prepares concrete, raw materials with corresponding weight need to be accurately input, which is particularly important for concrete with high strength grade, but powder is often adhered to aggregates in the prior art, and the additional powder can influence the concrete proportioning.

In order to solve the problem that powder adhered to aggregate affects the proportion of concrete, the prior art needs to remove the powder on the aggregate, and a common removing method comprises dust removal and water washing, wherein the dust removal is carried out by an invention patent named as dust removal device of a concrete mixing plant and the concrete mixing plant, wherein the dust removal is carried out by CN105479601B with an authorized bulletin date of 2017, 11 and 7, and the invention patent is named as dust removal device of the concrete mixing plant and concrete mixing plant The screening machine is provided with a plurality of layers of screening areas, and each layer of screening area is provided with a discharge port; every layer the bottom in screening region all top-down slope and crossing setting, every the bin outlet be located every layer the regional relief of screening is lowest, with the material row of screening to around the screening machine. The invention patent named aggregate on-line water washing type concrete mixing plant is an invention patent with an authorization notice number of CN106239734B and an authorization notice date of 2018, 6 and 5, and the invention patent is characterized in that aggregate is washed by a special aggregate washing system.

The prior art has the defects that no matter dust removal and water washing are carried out, a special driving unit and a special transmission unit are required to be configured for removing the adhered powder.

Disclosure of Invention

The invention aims to provide a passive dust removal type conveying device and a commercial concrete station, which aim to solve the defects in the prior art

In order to achieve the above purpose, the invention provides the following technical scheme:

a passive dust removal type conveying device comprises a support, wherein a conveying belt for conveying aggregate is conveyed on the support, and a plurality of dust falling holes are formed in the conveying belt along the length direction;

the conveying device is characterized by further comprising a plurality of central shafts, each central shaft is connected to the support and arranged below the conveying section of the conveying belt in parallel, a rotating wheel is arranged on each central shaft, the edge of each rotating wheel comprises two sections with different distances from the central shaft, and the rotating wheels are driven to rotate by the movement of the conveying belt.

As a further description of the above technical solution: the rotating wheel is one of a cam, an eccentric wheel or an elliptical wheel.

As a further description of the above technical solution: the central shaft is an arc-shaped rod of which the appearance is parallel to the bottom surface of the conveying section.

As a further description of the above technical solution: the bracket is also provided with a tightness maintaining mechanism, and the tightness maintaining mechanism is arranged on one side of the bracket, which is far away from the conveying section;

the tightness maintaining mechanism comprises an expansion bracket 7 and a supporting spring sleeved on the expansion bracket, one end of the expansion bracket is fixed on the support, and the other end of the expansion bracket is attached to the conveying belt through a tensioning roller shaft.

As a further description of the above technical solution: more than two rotating wheels are arranged on each central shaft.

As a further description of the above technical solution: the eccentric wheel is rotatably connected to the central shaft.

As a further description of the above technical solution: the eccentric wheel is fixedly connected to the central shaft, and the central shaft is rotatably connected to the support.

As a further description of the above technical solution: the dust falling holes are one or more of strip-shaped holes, round holes and elliptical holes.

As a further description of the above technical solution: also included is a dust collection mechanism disposed below the conveyor belt of the conveyor belt.

The commercial concrete station comprises an aggregate conveying device, wherein the aggregate conveying device is the passive dust removal type conveying device.

In the technical scheme, the conveying belt drives the rotating wheel to rotate, and the rotating wheel rotates to vibrate the conveying belt, so that the dust of the aggregate on the conveying belt falls through the dust falling hole to be removed.

Because above-mentioned passive dust type conveyor has above-mentioned technological effect, the merchant's concrete station that contains this passive dust type conveyor also should have corresponding technological effect.

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 structural diagram of a passive dust-removing conveying device according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a bracket according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a conveyor belt according to an embodiment of the present invention;

FIG. 4 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. 5 is a schematic view of a central axis distribution provided by an embodiment of the present invention;

FIG. 6 is a schematic view of a rotor distribution according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a rotor according to an embodiment of the present invention;

FIG. 8 is a schematic structural view of a dust collecting mechanism according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a tightness-maintaining mechanism according to an embodiment of the present invention;

FIG. 10 is a schematic illustration of a dust screen assembly according to an embodiment of the present invention;

FIG. 11 is a schematic structural diagram of a portion A in FIG. 10 according to an embodiment of the present invention;

FIG. 12 is a schematic structural diagram of a passive dusting conveyor according to another embodiment of the present invention;

fig. 13 is a schematic view of a disassembled structure of the reversely-locked conveying device provided by the embodiment of the invention;

fig. 14 is a schematic structural view of a reverse latch assembly according to an embodiment of the present invention;

fig. 15 is a schematic structural diagram of a check mechanism according to an embodiment of the present invention;

FIG. 16 is a schematic structural view of a wedge lock socket provided in an embodiment of the present invention;

fig. 17 is a schematic structural view of a reverse latch according to an embodiment of the present invention

Fig. 18 is a schematic structural view of a lift adjustment base according to an embodiment of the present invention;

FIG. 19 is a schematic structural diagram of a guide cushion assembly according to an embodiment of the present invention;

fig. 20 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. 21 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. 22 is a schematic view of a connection structure of the first locking portion according to the embodiment of the present invention;

FIG. 23 is a schematic structural diagram of a passive dusting conveyer apparatus according to yet another embodiment of the present invention;

fig. 24 is a schematic view of a connection structure of the connection assembly and the carrier tape according to the embodiment of the invention;

FIG. 25 is a schematic view of a broken state of a carrier tape according to an embodiment of the present invention;

fig. 26 is a schematic structural diagram of a connecting assembly according to an embodiment of the present invention;

fig. 27 is a schematic view of a connecting assembly according to an embodiment of the present invention;

FIG. 28 is a schematic structural view of a support belt according to an embodiment of the present invention;

fig. 29 is a schematic structural diagram of a carrier tape 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 portion; 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 connecting 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. 1-29, an embodiment of the present invention provides a technical solution: a passive dust removal type conveying device comprises a support 1, wherein a conveying belt 2 for conveying aggregate is conveyed on the support 1, and a plurality of dust falling holes 21 are formed in the conveying belt 2 along the length direction; 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 passive dust-removing type conveying device provided by this embodiment is used for conveying various aggregates in a commercial concrete station, where the support 1 is an integral supporting frame, it is known and preferred that both ends of the support 1 are respectively and rotatably connected with the driving roller shaft 102 and the driven roller shaft 103, and 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 an outer shell of 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, so as 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 driving roller shaft 102 rotates to drive the conveying belt to move so as to convey the aggregates, and the conveying belt 2 is, if the dust falling holes 21 are arranged at equal intervals or unequal intervals, the dust falling device further comprises a plurality of central shafts 4, rotating wheels are arranged on the central shafts, the rotating wheels can rotate relative to the support, the bottom surfaces of conveying sections (parts for bearing aggregates) of the conveying belt 2 are lapped on the rotating wheels, friction force exists between the conveying sections and the rotating wheels 5, the rotating wheels 5 are driven to rotate when the conveying sections move, meanwhile, the edges of the rotating wheels 5 comprise two sections with different distances from the central shafts 4, such as a first section and a second section, in the rotating process of the rotating wheels 5, the conveying sections are intermittently contacted with the first section and the second section, namely, the distances between the conveying sections and the central shafts 4 are intermittently changed, wave-shaped or wave-shaped movement is formed, and the aggregates conveyed by the fluctuation of the vertical vibration synchronously move in wave-shaped or wave-shaped manner. 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 hole, 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 passive dust removal type conveying device provided by the embodiment of the invention, the conveying of the conveying belt drives the rotating wheel to rotate, and the rotating wheel rotates to enable the conveying belt to vibrate, 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 frame 1 and has at least two embodiments, one embodiment is that the central shaft 4 is fixed on the frame 1, the rotating wheel 5 is rotatably connected to the central shaft 4, and the other embodiment is that the rotating wheel 5 is fixedly connected to the central shaft 4, and the central shaft 4 is rotatably connected to the frame 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 conveying roller shaft 104 is matched with the transmission chain 41 to drive the central shaft 4 to rotate, 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.

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 includes an expansion bracket 71 and a support 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 tension 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 two adjacent center pins 4, when the drive of vibrating is carried out to conveyer belt 2 through runner 5 on the center pin 4 cooperation, 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 gathers to 2 centers of conveyer belt, the improvement is to dust vibration separation effect in the aggregate.

As a further preferred technical solution of this embodiment, the dust falling hole 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.

Referring to fig. 12-22, in the passive dust-removing conveying device according to the embodiment of the present invention, a plurality of sets of reverse blocks 30 are disposed along the length direction at the bottom of the conveying belt 2; 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 conveyor belt 2 moves forward, the first sliding surface 302 and the second sliding surface 303 are in sliding fit, and when the conveyor belt 2 moves backward, the first locking part 303 and the second locking part 4022 are inserted.

Specifically, the support is an integral support of the conveying device, two ends of the support are respectively rotatably connected with a driving roller shaft 102 and a driven roller shaft 103, wherein the driving roller shaft 102, the driven roller shaft 103 and the conveying roller shaft 104 are respectively provided with a plurality of annular grooves for avoiding the use of the reverse fixture blocks 30, the bottom of the conveying belt 2 is provided with a plurality of groups of reverse fixture blocks 30 along the length direction, the plurality of groups 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, the support further comprises a plurality of check mechanisms 40, each check mechanism 40 is connected to the support, the interval between two adjacent check mechanisms 40 is equal to the interval between 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, and the interval between the plurality of wedge-shaped locking seats 402 on the cross frame 401 is equal to the interval between each reverse, that is, each wedge-shaped locking seat 402 on each reverse stop mechanism 40 is in one-to-one corresponding fit with each reverse fixture block 30 on each reverse fixture block 30, so that when the conveyer belt 2 is conveyed, each reverse fixture block 30 at the bottom of each reverse fixture block 30 is in one-to-one corresponding up and down corresponding to each wedge-shaped locking seat 402 on the cross frame 401 in each reverse stop mechanism 40, when the conveyer belt 2 is normally rotated 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 the normal operation of the conveyer belt 2, that is, at this time, the wedge-shaped locking seat 402 does not almost bring negative influence to the conveying of the conveyer belt, when the conveyer belt slides reversely or breaks and slips, 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, first locking portion and second locking portion are the structure that can peg graft, be protruding if one of them, another person is for pegging graft complex groove or hole with this arch mutually, moreover, because first locking portion 303 is located the tail end of reverse fixture block (the direction that advances when the conveyer belt is carried is first), and simultaneously, second locking portion avoids the second glide plane, make first locking portion and second locking portion hardly have negative effects to the transport of conveyer belt, the realization is locked conveyer belt 2, wherein, the tail end of reverse fixture block 30 and the front end of wedge locking seat 402 all use the direction of delivery of conveyer belt 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 aggregate is carried to the conveyer belt, it can not jack up the conveyer belt through reverse fixture block, also the comparatively steady operation of conveyer belt, but preferably, the height of wedge locking seat 402 is configured as: when the conveyer belt carries the aggregate, wedge locking seat 402 is through reverse fixture block jack-up conveyer belt for have the vibration from top to bottom of a perpendicular to conveyer belt direction. The effect of this arrangement is that it can achieve a degree of dusting when the conveyor belt has holes or slots.

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

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

In another embodiment provided by the present invention, preferably, the apparatus further includes 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 frame is fixedly connected to the bottom of the conveying belt. Through fixing a plurality of reverse fixture blocks 30 in every reverse fixture block 30 of group at first on link 301, install link 301 at the back of conveyer belt 2 again, thereby increase the fixed area between reverse fixture block 30 and the conveyer belt, prevent that a plurality of reverse fixture blocks 30 from independently fixing on conveyer belt 2, reverse fixture block 30 is when carrying out the locking to conveyer belt 2 the effort too big conveyer belt 2 and reverse fixture block 30 junction tear conveyer belt 2 that leads to, 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 conveyer belt 2 is normally conveyed, the first sliding surface 302 at the bottom of the reverse fixture 30 is slidably engaged with the second sliding surface 303 at the top of the wedge, simultaneously reverse fixture block 30 extrudees wedge locking seat 402, and wedge locking seat 402 effect moves down with crossbearer 401 cooperation lift adjustment seat 50 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 friction at wedge locking seat 402 top, reduce the power requirement of 2 operations of conveyer belt, make the conveyer belt carry more stable, prevent that the skew from appearing in the conveyer belt. 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 conveyer belt 2 when the first glide plane 302 of the first glide plane in bottom of the reverse fixture block 30 and the second glide plane 303 sliding fit at wedge-shaped locking seat 402 top when normally carrying, realize sliding spacing to carry to conveyer belt 2 and carry on spacingly, prevent that the conveyer belt from carrying the lateral shifting to appear, improve the stability that the conveyer 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. Specifically, 2 normal when carrying the aggregate of conveyer belt, after reverse fixture block 30 and wedge locking seat 402 counterpoint sliding fit separation, reverse fixture block 30 removes to the guide space 602 that forms between two leading framves 601 in, it is spacing to reverse fixture block 30 through two leading framves 601 strokes to guide space 602, thereby the realization is carried 2 conveyer belts and is carried spacing rectifying, make 2 conveyer belts of conveyer belt carry out 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 after all can realize carrying spacingly to conveyer belt 2, prevent that the skew from appearing in the conveyer belt, further improve the stability that the conveyer belt carried.

In another embodiment of the present invention, the other ends of the two guiding frames 601 are further connected to the cross frame 401 of the adjacent non-return mechanism 40 through the end connecting frame 603, and the opposite surfaces of the two guiding frames 603 are both provided with an inclined surface 604, specifically, both ends of the guiding frame 601 are fixed through the end connecting frame 603, and when the conveying belt 2 is broken and sinks, the conveying belt 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. 20, in the conveying state, the conveying belt 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, so as to limit the reverse clamping block 30, that is, the conveying belt 2 is limited in conveying, when the conveying belt 2 is loosened or broken, the conveying belt 2 is in a locking state, as shown in fig. 21, the conveying belt 2 is in a locking state, due to the breakage, the conveying belt 2 drives the reverse clamping block 30 and the limiting protrusion 304 to sink and perform reverse accelerated sliding, 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, so as to realize sliding buffering of the conveying belt 2, and to limitedly prevent the conveying belt from accelerated sliding impact after being broken until the reverse clamping, the impact force that causes is big, easily leads to reverse fixture block 30 and wedge locking seat 402 and conveyer belt 2 to damage, can lead to the aggregate on the conveyer belt 2 simultaneously to rush out because of inertia and injure staff on every side, realizes buffering the conveyer belt 2 and slides 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 all 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 conveyer belt 2, buffer spring 307 can cushion first locking portion 303, and the collision effect when further reducing to peg graft improves the stationarity of conveyer belt 2 locking.

Referring to fig. 23 to 29, an embodiment of the present invention provides a passive dust-removing type conveying device, including a conveying mechanism disposed on a support 1, where the conveying mechanism includes an inner supporting belt 9 and a conveying belt 2 integrally sleeved on an outer side surface of the supporting 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 mechanism includes an inner supporting belt 9 and a conveying belt 2 integrally sleeved on an outer side surface of the supporting belt, the conveying belt 2 is formed by sequentially overlapping a plurality of carrying belts 201 end to end along a conveying direction of the supporting belt 9, where sequentially overlapping end to end means that the conveying belt conveys aggregates in a direction in which the conveying belt is first in a forward direction and is last in a backward direction, as shown in fig. 23 and 24, a tail portion of a preceding carrying belt 201 is overlapped on a head portion of a subsequent carrying belt 201, that is, a lower surface of the preceding tail portion is attached to an upper surface of the subsequent head portion, an area where the two carrying belts are connected end to end is an overlapping connection area, and the overlapping connection areas of the plurality of carrying belts 201 are connected and connected with the supporting belt 9 through a connecting assembly 70, so that the plurality of carrying belts 201 are sequentially connected and fixed on the supporting belt 9, a fracture portion 702a is disposed at a position between the, 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, the second threaded section 701b is used for connecting the supporting band 9, so that the first connecting member 701 connects the carrying band 201 whose overlapping connection region is located at the bottom with the supporting band 9, the anti-separation end cap 701c is horizontally fixed on the top of the first threaded end 701a, when the fracture part 702a of the second connecting member 702 is fractured, the anti-separation 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 connection region is located at the bottom on the first threaded end 701a, and prevent the carrying band 201 whose overlapping connection region is located at the bottom from being separated from the supporting band 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.

The embodiment of the invention also provides a commercial concrete station, which comprises an aggregate conveying device, wherein the aggregate conveying device is the passive dust removal type conveying device. Because above-mentioned passive dust type conveyor has above-mentioned technological effect, the merchant's concrete station that contains this passive dust type conveyor also should have corresponding technological effect.

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 passive dust removal type conveying device comprises a support, wherein a conveying belt for conveying aggregate is conveyed on the support, and the passive dust removal type conveying device is characterized in that a plurality of dust falling holes are formed in the conveying belt along the length direction;

2. The passive dusting conveyor of claim 1 where the rotating wheel is one of a cam, an eccentric wheel, or an elliptical wheel.

3. The passive dusting conveyor of claim 1 where the central shaft is an arcuate bar with a profile parallel to the bottom surface of the conveying section.

4. The passive dusting conveyor apparatus of claim 1, wherein a tightness maintaining mechanism is further provided on the support, the tightness maintaining mechanism being disposed on a side of the support facing away from the conveying section;

the tightness maintaining mechanism comprises an expansion bracket and a supporting spring sleeved on the expansion bracket, one end of the expansion bracket is fixed on the support, and the other end of the expansion bracket is attached to the conveying belt through a tensioning roller shaft.

5. A passive dusting conveyor as claimed in claim 1 wherein more than two wheels are provided on each central shaft.

6. The passive dusting conveyor of claim 1, wherein the eccentric is rotationally connected to the central shaft.

7. The passive dusting conveyor of claim 1 wherein the eccentric is affixed to the central shaft, the central shaft being rotationally coupled to the frame.

8. The passive dedusting conveyor as recited in claim 1 wherein the dust drop holes are one or more of strip holes, round holes, and oval holes.

9. The passive dusting conveyor of claim 1 further comprising a dust collection mechanism disposed below the conveyor belt of the conveyor belt.

10. A commercial concrete station comprising an aggregate conveying device, wherein the aggregate conveying device is a passive dust removal conveying device according to any one of claims 1 to 9.