CN215750012U - Device is added to concrete mixing plant fibre - Google Patents
Device is added to concrete mixing plant fibre Download PDFInfo
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- CN215750012U CN215750012U CN202121839017.8U CN202121839017U CN215750012U CN 215750012 U CN215750012 U CN 215750012U CN 202121839017 U CN202121839017 U CN 202121839017U CN 215750012 U CN215750012 U CN 215750012U
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- chute
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Abstract
The application discloses device is added to concrete mixing plant fibre relates to concrete production facility's technical field. The automatic feeding device comprises a conveying belt and a feeding chamber, wherein a discharging device is arranged in the feeding chamber; the blanking device comprises a workbench and a chute; the working table is fixed in the throwing chamber, one end of the chute is fixedly connected with the working table, and one end of the chute, which is far away from the working table, penetrates through the throwing chamber and extends to a position right above the conveying belt; the spout is along deviating from the slope of workstation direction and setting down. When adding the fibre in the concrete mixing plant, operating personnel puts into the spout with the fibre in putting in the room, and the spout slope sets up, and the fibre relies on self gravity landing to conveying belt on, has avoided operating personnel direct stand to put in the fibre by concrete mixing plant or conveying belt, has improved the security when operating personnel puts in the fibre greatly.
Description
Technical Field
The application relates to the technical field of concrete production equipment, in particular to a fiber adding device of a concrete mixing plant.
Background
The concrete fiber is a high-performance fiber specially used for concrete, can effectively control microcracks caused by factors such as plastic shrinkage, dry shrinkage and temperature change of the concrete, prevent and inhibit the formation and development of the original cracks of the concrete, greatly improve the anti-cracking and anti-permeability performance and the anti-abrasion performance of the concrete, and increase the toughness of the concrete, thereby prolonging the service life of the concrete. In the process of producing concrete, the fibers are required to be added into a concrete mixing station in sequence so as to ensure that the fibers are uniformly mixed with other concrete raw materials and improve the dispersibility of the fibers in the concrete.
At present, when putting in the fibre in the concrete mixing plant, generally adopt artifical mode of putting in to go on: the operator stands at the mixing plant feed inlet or the other fixed time ration of raw materials conveyer belt and puts in the fibre, though effectively improved the homogeneity that fibre and other concrete raw materials mix, but the operator stands for a long time at the mixing plant feed inlet or the other raw materials conveyer belt, takes place the incident very easily, has great hidden danger to operator's personal safety.
In view of the above-mentioned related technologies, the inventor thinks that there is a great potential safety hazard when the operator directly stands at the feed inlet of the mixing plant or by the raw material conveyer belt to put in the fiber.
SUMMERY OF THE UTILITY MODEL
In order to improve the security when operating personnel puts in the fibre, this application provides a concrete mixing plant fibre adds device.
The application provides a concrete mixing plant fibre adds device adopts following technical scheme:
a fiber adding device of a concrete mixing plant comprises a conveying belt and a feeding chamber, wherein a blanking device is arranged in the feeding chamber;
the blanking device comprises a workbench and a chute;
the working table is fixed in the throwing chamber, one end of the chute is fixedly connected with the working table, and one end of the chute, which is far away from the working table, penetrates through the throwing chamber and extends to a position right above the conveying belt;
the spout is along deviating from the slope of workstation direction and setting down.
Through adopting above-mentioned technical scheme, the workstation is used for placing the fibre, and when adding the fibre in the concrete mixing plant, operating personnel puts into the spout indoor with the fibre in putting in, and the spout slope sets up, and the fibre relies on self gravity landing to the conveying belt on, has avoided operating personnel direct stand to put in the fibre by concrete mixing plant or conveying belt, has improved the security when operating personnel puts in the fibre greatly.
Preferably, the sliding chute is fixedly connected with a dustproof pipe, and the axis direction of the dustproof pipe is arranged along the track direction of the sliding chute;
and two ends of the dustproof pipe are respectively positioned above the workbench and the conveying belt.
Through adopting above-mentioned technical scheme, when puting in the fibre to conveyer, operating personnel puts into the feed end of dustproof pipe with the fibre, and the fibre slides along the dustproof pipe on the conveyer belt, and fibre slides the in-process and whole being located the dustproof pipe, has effectively avoided fibre dust free diffusion to influence air quality and operating personnel's healthy.
Preferably, a quantitative feeding device is arranged right above the workbench; the quantitative feeding device comprises a storage bin and a transition box which are arranged vertically and downwards in sequence;
a cylindrical cavity is arranged in the transition box, and the axis direction of the cavity is arranged along the horizontal direction; a rotating wheel is coaxially and rotatably connected in the cavity, and a driving device for driving the rotating wheel to rotate is arranged in the throwing chamber;
the outer circumference of the rotating wheel is in close contact with the inner surface of the cavity; a plurality of transfer grooves are formed in the periphery of the rotating wheel at intervals upwards;
two ends of the transition box in the vertical direction are respectively provided with a feed inlet communicated with the storage bin and the cavity and a discharge outlet communicated with the cavity and the workbench;
when any transfer groove rotates to a position corresponding to the feeding hole, fibers in the storage bin fill the transfer groove along the feeding hole; and when the transfer tank filled with the fibers rotates to the position corresponding to the discharge port, the fibers in the transfer tank drop onto the workbench along the discharge port.
By adopting the technical scheme, an operator controls the driving device to drive the rotating wheel to rotate, when any transfer groove rotates to a position corresponding to the feeding hole, the transfer groove is filled with fibers in the storage bin along the feeding hole, when the transfer groove filled with the fibers is rotated away from the feeding hole, the inner surface of the cavity blocks redundant fibers protruding out of the transfer groove, and the size of the fibers entering the transfer groove is equal to that of the transfer groove; the rotating wheel is continuously rotated, and when any transfer groove filled with fibers rotates to a position corresponding to the discharge port, the fibers in the transfer groove fall onto the workbench along the discharge port; the quantity of the fibers put in the mixing station at each time is ensured to be quantitative, the step of weighing the weight of the fibers before putting in at each time is omitted, the labor amount of operators is reduced, the putting efficiency is greatly improved, the time of direct contact between the operators and the fibers is shortened, and the personal safety of the operators is further improved.
Preferably, the driving device comprises a rotating shaft coaxially and fixedly connected with the rotating wheel and a hand wheel driving the rotating shaft to rotate.
By adopting the technical scheme, the rotating wheel is manually controlled by an operator to rotate, so that fibers can be timely added according to actual conditions, and the controllability of the fiber input time is strong.
Preferably, a locking assembly is arranged between the rotating shaft and the hand wheel; the locking assembly comprises a worm wheel and a worm, the worm wheel is coaxially and fixedly connected with the rotating shaft, the worm is meshed with the worm wheel, and the hand wheel is coaxially and fixedly connected with the worm.
Through adopting above-mentioned technical scheme, set up the worm gear between hand wheel and the axis of rotation, when the runner rotates arbitrary position department, the homoenergetic realizes the auto-lock location through the auto-lock action of worm gear, has effectively prevented the free rotation of runner when need not adding the fibre, has liberated operating personnel both hands.
Preferably, the table surface is disposed obliquely downward in a direction toward the chute.
Through adopting above-mentioned technical scheme, the fibre drops to the workstation in the follow dosing device after, relies on self gravity to slide to the spout along the workstation surface, and then puts in to the conveying belt on, has saved the step that operating personnel put into the fibre on the workstation and has slided, has both reduced operating personnel and fibrous contact time, has improved input efficiency again.
Preferably, a baffle is arranged on the workbench.
Through adopting above-mentioned technical scheme, set up the baffle on the workstation, effectively prevent that the fibre from spilling the workstation, both reduced fibrous waste, reduced the amount of labour when operating personnel clears up subaerial fibre again.
Preferably, the inclination angle of the workbench is equal to that of the chute, and the surface of the workbench is flush with that of the chute;
the workbench is provided with a boosting device, the boosting device comprises a hydraulic cylinder, and the end part of the output end of the hydraulic cylinder is fixedly connected with a first push plate; the bottom of the first push plate is in close contact with the surface of the workbench.
Through adopting above-mentioned technical scheme, set up the boosting device on the workstation, control boosting will stop on the partial fibre of workstation surface pushes away to the conveyer belt, reduces the fibrous volume that stops on the workstation surface to accelerate the fibre landing to the speed on the conveyer belt, improve input efficiency.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the workbench is used for placing fibers, when the fibers are added into the concrete mixing station, an operator places the fibers into the chute in the throwing chamber, the chute is obliquely arranged, the fibers slide onto the conveying belt by means of the gravity of the operator, the situation that the operator directly stands by the concrete mixing station or the conveying belt to throw the fibers is avoided, and the safety of the operator when the operator throws the fibers is greatly improved;
2. when fibers are put into the conveying belt, an operator puts the fibers into the feeding end of the dustproof pipe, the fibers slide onto the conveying belt along the dustproof pipe, and the fibers are located in the dustproof pipe in the whole sliding process, so that the influence of free diffusion of fiber dust on air quality and the body health of the operator is effectively avoided;
3. an operator controls the driving device to drive the rotating wheel to rotate, when any transfer groove rotates to a position corresponding to the feeding hole, fibers in the storage bin fill the transfer groove along the feeding hole, when the transfer groove filled with the fibers rotates away from the feeding hole, the inner surface of the cavity blocks redundant fibers protruding out of the transfer groove, and the size of the fibers entering the transfer groove is equal to that of the transfer groove; the rotating wheel is continuously rotated, and when any transfer groove filled with fibers rotates to a position corresponding to the discharge port, the fibers in the transfer groove fall onto the workbench along the discharge port; the quantity of the fibers put in the mixing station at each time is ensured to be quantitative, the step of weighing the weight of the fibers before putting in at each time is omitted, the labor amount of operators is reduced, the putting efficiency is greatly improved, the time of direct contact between the operators and the fibers is shortened, and the personal safety of the operators is further improved.
Drawings
Fig. 1 is a schematic overall structure diagram of a first embodiment of the present application.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic partial structural view showing a positional relationship between the dust-proof pipe and the chute in the second embodiment of the present application.
Fig. 4 is a schematic cross-sectional view of a dosing device according to a third embodiment of the present invention.
Fig. 5 is a schematic cross-sectional view showing the internal structure of the drop room and the support box in the third embodiment of the present application.
Description of reference numerals: 1. a throwing room; 11. an observation window; 12. a throwing hole; 13. a support plate; 14. a support box; 2. a conveyor belt; 3. a feeding device; 31. a work table; 311. a baffle plate; 32. a chute; 33. a dust-proof pipe; 4. a storage bin; 41. a first feed port; 42. a first discharge port; 5. a transition box; 51. a chamber; 52. a second feed port; 53. a second discharge port; 54. a rotating wheel; 541. a transfer tank; 6. a drive device; 61. a rotating shaft; 62. a locking assembly; 621. a worm gear; 622. a worm; 63. a hand wheel; 7. a boosting device; 71. a hydraulic cylinder; 72. a first push plate; 73. a second push plate; 74. a boosting spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses concrete mixing plant fibre adds device.
Example one
Referring to fig. 1, the fiber adding device for the concrete mixing plant comprises a feeding chamber 1, wherein the feeding chamber 1 is a rectangular movable board room, and the feeding chamber 1 is arranged between two conveying belts 2 for conveying concrete raw materials; a plurality of observation windows 11 are arranged on the side wall of the throwing chamber 1 at intervals; the feeding devices 3 are arranged in the feeding chamber 1 at positions corresponding to the two conveying belts 2; the operator puts in the room 1 on throwing the conveyer belt 2 that is used for carrying the concrete raw materials with the fibre through throwing material device 3 at an interval 30 seconds at intervals, has both improved the dispersibility of fibre in the concrete, avoids operating personnel direct stand again and puts in the fibre by mixing plant feed inlet or raw materials conveyer belt, has improved the security when operating personnel puts in the fibre greatly.
Referring to fig. 2, the feeding device 3 comprises a workbench 31 fixed in the feeding chamber 1, and the workbench 31 is closely attached to the wall of the feeding chamber 1 near one side of the conveyor belt 2; the surface of the workbench 31 is arranged along the horizontal direction, and fibers are placed on the surface of the workbench 31; in order to prevent the fibers from spilling out of the worktable 31, baffles 311 are fixedly connected to three side positions of one side of the worktable 31, which is far away from the conveyor belt 2.
A throwing hole 12 is arranged on the side wall of one end of the throwing chamber 1 facing the conveying belt 2 and at the position corresponding to the workbench 31; the feeding device 3 further comprises a chute 32, and the chute 32 is a rectangular through groove with an opening at the top; the chute 32 passes through the throwing hole 12 and is fixedly connected with the workbench 31; one end of the chute 32 facing away from the table 31 is located directly above the conveyor belt 2, and the chute 32 is disposed obliquely downward in a direction facing away from the table 31.
The implementation principle of the above embodiment is as follows:
when throwing in the fibre, operating personnel sends into the equal amount fibre along the feed inlet of spout 32 at every 30 seconds intervals in throwing in room 1, and the fibre relies on self gravity to drop to conveyer belt 2 along spout 32 on, accomplishes the fibre and puts in work. The fiber is prevented from being directly placed at the feed inlet of the mixing station or beside the raw material conveying belt, and the safety of operators is greatly improved.
Example two
Referring to fig. 3, a fiber adding device for a concrete mixing plant is different from the first embodiment in that a chute 32 is fixedly connected with a dustproof pipe 33, the dustproof pipe 33 is a PVC pipe, and the axial direction of the dustproof pipe 33 is arranged along the length direction of the chute 32; one end of the dustproof pipe 33 passes through the throwing hole 12 and extends into the throwing chamber 1, and the other end of the dustproof pipe 33 is positioned right above the conveying belt 2.
The implementation principle of the above embodiment is as follows:
when the fibers are thrown, an operator puts equivalent fibers into the dustproof pipe 33 at intervals of 30 seconds in the throwing chamber 1, and the fibers fall onto the conveying belt 2 along the dustproof pipe 33 by means of self gravity to finish fiber throwing work; the fiber slides in-process all is in dustproof pipe 33, avoids the free diffusion of fibre dust to influence air quality and operating personnel's healthy.
EXAMPLE III
Referring to fig. 4, a fiber adding apparatus of a concrete mixing plant is different from the first embodiment in that the surface of a worktable 31 is arranged obliquely downward toward a conveyor belt 2, and the inclined angle of the worktable 31 is the same as that of a chute 32; a quantitative feeding device is arranged right above the workbench 31; the operator ensures that the amount of putting in the fibre at every turn through the dosing device is the ration, saves the step of weighing fibre weight before putting in at every turn, has both reduced operator's the amount of labour, improves greatly and puts in efficiency, has reduced operator and fibre direct contact's time again, has further improved operator's personal safety.
The quantitative feeding device comprises a storage bin 4 positioned right above the workbench 31, a first feeding hole 41 is formed in the top end of the storage bin 4, a first discharging hole 42 is formed in the bottom of the storage bin 4, and the discharging direction of the first discharging hole 42 is arranged along the vertical direction; the storage bin 4 is fixed on the side wall of the throwing chamber 1;
the quantitative feeding device also comprises a transition box 5, and the transition box 5 is fixed on the side wall of the throwing chamber 1; a cylindrical chamber 51 is arranged in the transition box 5, and the axial direction of the chamber 51 is arranged along the horizontal direction; a second feed inlet 52 is formed in the transition box 5 at a position corresponding to the first discharge outlet 42, and the storage bin 4 is communicated with the cavity 51 through the second feed inlet 52; a second discharge port 53 is formed in one end, facing the workbench 31, of the transition box 5, and the second discharge port 53 is communicated with the cavity 51;
a rotating wheel 54 is coaxially and rotatably connected in the cavity 51 of the transition box 5, and the periphery of the rotating wheel 54 is arranged closely to the inner surface of the cavity 51; a plurality of transfer grooves 541 are uniformly arranged on the periphery of the rotating wheel 54 at intervals, and the opening directions of the transfer grooves 541 are arranged along the direction departing from the axis of the rotating wheel 54;
referring to fig. 4 and 5, a supporting plate 13 is fixedly connected to the side wall of the throwing chamber 1, and a driving device 6 for driving the rotating wheel 54 to rotate is arranged on the supporting plate 13; the driving device 6 comprises a rotating shaft 61 coaxially and fixedly connected with the rotating wheel 54, and the rotating shaft 61 penetrates through one end of the transition box 5 and is rotatably connected with the transition box 5; the driving device 6 further comprises a locking assembly 62 and a hand wheel 63;
a support box 14 is fixedly connected to the support plate 13, and one end of the rotating shaft 61 departing from the transition box 5 is rotatably connected to the inside of the support box 14; the locking assembly 62 is arranged in the support box 14, the locking assembly 62 comprises a worm wheel 621 coaxially and fixedly connected with the rotating shaft 61, and further comprises a worm 622 engaged with the worm wheel 621, and the worm 622 is rotatably connected in the support box 14; one end of the worm 622 penetrates through the support box 14, and the hand wheel 63 and one end of the worm 622 which penetrates through the support box 14 are coaxially and fixedly connected.
After the fibers are placed into the storage bin 4, an operator drives the rotating wheel 54 to rotate by rotating the hand wheel 63, and when the transfer grooves 541 in the rotating wheel 54 sequentially pass through the second feed opening 52, the fibers in the storage bin 4 enter the transfer grooves 541 through the second feed opening 52 along the first discharge opening 42; when the transfer groove 541 filled with fibers on the rotating wheel 54 rotates to the second discharge port 53, the fibers fall onto the workbench 31 along the second discharge port 53 and fall onto the conveying belt 2 along the workbench 31 and the chute 32 in sequence by virtue of the gravity of the fibers; the added fiber amount is equal every time, the accuracy of the fiber adding amount is ensured, and the quality of the concrete is effectively ensured.
Referring to fig. 4, a baffle 311 facing the chute 32 on the worktable 31 is provided with a boosting device 7; the boosting device 7 comprises a hydraulic cylinder 71 fixed on the baffle 311, the output end of the hydraulic cylinder 71 is arranged through the baffle 311, and the axial direction of the output end of the hydraulic cylinder 71 is arranged along the track direction of the chute 32; the end part of the output end of the hydraulic cylinder 71 is fixedly connected with a first push plate 72, the bottom of the first push plate 72 is tightly contacted with the surface of the workbench 31, and the first push plate 72 can pass through the feeding hole 12 to move along the surface of the chute 32 under the driving of the hydraulic cylinder 71;
a second push plate 73 is coaxially connected to the rod part of the output end of the hydraulic cylinder 71 in a sliding manner, the bottom of the second push plate 73 is in close contact with the surface of the workbench 31, and two side surfaces of the second push plate 73 are respectively in close contact with two opposite baffles 311 on the workbench 31; a boosting spring 74 is coaxially sleeved on the rod part of the output end of the hydraulic cylinder 71, and two ends of the boosting spring 74 are respectively in close contact with the second push plate 73 and the baffle 311; the second push plate 73 is brought into close contact with the first push plate 72 by the assist spring 74.
After the fibers in the transition box 5 fall onto the workbench 31, the hydraulic cylinder 71 is started, the hydraulic cylinder 71 drives the first push plate 72 and the second push plate 73 to move along the surface of the workbench 31, and the first push plate 72 and the second push plate 73 simultaneously push the fibers to move towards the direction of the feeding hole 12; when the first push plate 72 and the second push plate 73 move to the position of the drop hole 12, the second push plate 73 is blocked by the wall and pressed against the wall by the aid of the boosting spring 74, and the first push plate 72 continues to push the fiber along the surface of the chute 32 through the drop hole 12. Not only effectively preventing part of the fibers from staying on the workbench 31, but also preventing part of the fibers from staying in the chute 32, so that all the fibers thrown in each time fall onto the conveying belt 2; further improving the accuracy of the fiber input amount each time and greatly improving the quality of the concrete.
The implementation principle of the above embodiment is as follows:
when fibers are thrown onto the conveying belt 2, an operator rotates the hand wheel 63, and when the transfer grooves 541 on the rotating wheel 54 sequentially pass through the second feed opening 52, the fibers in the storage bin 4 enter the transfer grooves 541 through the second feed opening 52 along the first discharge opening 42; when the transfer groove 541 filled with the fibers on the rotating wheel 54 rotates to the second discharge port 53, the fibers fall onto the workbench 31 along the second discharge port 53; part of the fibers sequentially fall onto the conveying belt 2 along the workbench 31 and the chute 32 by means of self gravity;
starting the hydraulic cylinder 71, the hydraulic cylinder 71 drives the first push plate 72 and the second push plate 73 to move along the surface of the workbench 31, and the first push plate 72 and the second push plate 73 simultaneously push part of the fibers staying on the surface of the workbench 31 to move towards the direction of the feeding hole 12; when the first push plate 72 and the second push plate 73 move to the position of the throwing hole 12, the second push plate 73 is blocked by the wall to stop moving, and the first push plate 72 continues to push the fibers along the surface of the chute 32 through the throwing hole 12 until all the fibers are pushed down onto the conveying belt 2.
The equal amount of the added fiber is ensured every time, and the quality of the concrete is effectively ensured; and the direct contact of the operator with the fiber is avoided, and the personal safety of the operator is further improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a concrete mixing plant fibre adds device, includes conveyer belt (2), its characterized in that: the device comprises a throwing chamber (1), wherein a blanking device is arranged in the throwing chamber (1);
the blanking device comprises a workbench (31) and a chute (32);
the working table (31) is fixed in the throwing chamber (1), one end of the chute (32) is fixedly connected with the working table (31), and one end of the chute (32) departing from the working table (31) penetrates through the throwing chamber (1) and extends to a position right above the conveying belt (2);
the sliding groove (32) is arranged obliquely downwards along the direction deviating from the workbench (31).
2. The fiber adding device for the concrete mixing plant according to claim 1, wherein: a dustproof pipe (33) is fixedly connected to the sliding chute (32), and the axis direction of the dustproof pipe (33) is arranged along the track direction of the sliding chute (32);
and the two ends of the dustproof pipe (33) are respectively positioned above the workbench (31) and the conveying belt (2).
3. The fiber adding device for the concrete mixing plant according to claim 1, wherein: a quantitative feeding device is arranged right above the workbench (31); the quantitative feeding device comprises a storage bin (4) and a transition box (5) which are arranged vertically and downwards in sequence;
a cylindrical cavity (51) is arranged in the transition box (5), and the axial direction of the cavity (51) is arranged along the horizontal direction; a rotating wheel (54) is coaxially and rotatably connected in the cavity (51), and a driving device (6) for driving the rotating wheel to rotate is arranged in the throwing chamber (1);
the outer circumference of the runner (54) is in close contact with the inner surface of the chamber (51); a plurality of transfer grooves (541) are formed in the periphery of the rotating wheel (54) at intervals upwards;
two ends of the transition box (5) in the vertical direction are respectively provided with a feed inlet communicated with the storage bin (4) and the cavity (51), and a discharge outlet communicated with the cavity (51) and the workbench (31);
when any transfer groove (541) rotates to a position corresponding to the feeding hole, the fibers in the storage bin (4) fill the transfer groove (541) along the feeding hole; when any transfer groove (541) filled with fibers rotates to the position corresponding to the discharge hole, the fibers in the transfer groove (541) fall onto the workbench (31) along the discharge hole.
4. A concrete mixing plant fibre addition apparatus as claimed in claim 3, wherein: the driving device (6) comprises a rotating shaft (61) which is coaxially and fixedly connected with the rotating wheel (54), and further comprises a hand wheel (63) which drives the rotating shaft (61) to rotate.
5. The fiber adding device for the concrete mixing plant according to claim 4, wherein: a locking assembly (62) is arranged between the rotating shaft (61) and the hand wheel (63); locking Assembly (62) including with axis of rotation (61) coaxial fixed connection's worm wheel (621), and worm (622) with worm wheel (621) meshing effect, hand wheel (63) and the coaxial fixed connection of worm (622).
6. A concrete mixing plant fibre addition apparatus as claimed in claim 3, wherein: the surface of the working table (31) is arranged obliquely downwards along the direction towards the sliding chute (32).
7. The fiber adding device for the concrete mixing plant according to claim 1, wherein: and a baffle (311) is arranged on the workbench (31).
8. The concrete mixing plant fiber adding device of claim 6, wherein: the inclination angle of the workbench (31) is equal to that of the chute (32), and the surface of the workbench (31) is flush with that of the chute (32);
a boosting device (7) is arranged on the workbench (31), the boosting device (7) comprises a hydraulic cylinder (71), and the end part of the output end of the hydraulic cylinder (71) is fixedly connected with a first push plate (72); the bottom of the first push plate (72) is in close contact with the surface of the workbench (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121839017.8U CN215750012U (en) | 2021-08-07 | 2021-08-07 | Device is added to concrete mixing plant fibre |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121839017.8U CN215750012U (en) | 2021-08-07 | 2021-08-07 | Device is added to concrete mixing plant fibre |
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| CN215750012U true CN215750012U (en) | 2022-02-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117532741A (en) * | 2023-12-26 | 2024-02-09 | 中铁北京工程局集团有限公司 | Airport dry hard fiber concrete fiber blending amount automatic control system and method |
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2021
- 2021-08-07 CN CN202121839017.8U patent/CN215750012U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117532741A (en) * | 2023-12-26 | 2024-02-09 | 中铁北京工程局集团有限公司 | Airport dry hard fiber concrete fiber blending amount automatic control system and method |
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