CN214163524U - Indoor rotary drop-out type vibration mixing equipment for road semi-rigid base material - Google Patents
Indoor rotary drop-out type vibration mixing equipment for road semi-rigid base material Download PDFInfo
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- CN214163524U CN214163524U CN202021935190.3U CN202021935190U CN214163524U CN 214163524 U CN214163524 U CN 214163524U CN 202021935190 U CN202021935190 U CN 202021935190U CN 214163524 U CN214163524 U CN 214163524U
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Abstract
The utility model relates to the technical field of transportation equipment, and discloses indoor rotary drop-out type vibration mixing equipment for a road semi-rigid base material, which comprises an equipment outer frame, a driving mechanism, a mixing mechanism, an adjusting mechanism and a control box; the device comprises an equipment outer frame, a driving mechanism and a control mechanism, wherein the driving mechanism is arranged on the equipment outer frame; the driving mechanism is connected with a mixing mechanism through an adjusting mechanism and is used for driving the adjusting mechanism and the mixing mechanism to rotate together; the adjusting mechanism is used for installing and fixing the mixing mechanism; through the thickness that will same ratio gather materials and carry out the different experiments of multi-angle respectively, can obtain the thickness that this ratio condition was down and gather materials and be fit for the feed cylinder of how many inclination of application and stir, can obtain the thickness of different ratios through repeated experiment and gather materials the best mixed angle, can also carry out the optimization of mix technology through this mix equipment, and then obtain the better material of mixed effect.
Description
Technical Field
The utility model relates to a technical field of transportation equipment particularly, relates to an indoor rotation drop out vibration mix equipment of road semi-rigid base material.
Background
In the existing JTG/TF20-2015 detailed rules of highway base course construction technology and highway inorganic binder test regulations, no clear method is provided for mixing of mixed materials in inorganic binder mixing proportion design. So far, in indoor tests, the mixture is manually mixed no matter the maximum dry density and the optimum water content are determined or no-side-limit compression strength test pieces are formed. For newly mixed cement-based materials, soil is in a sticky-plastic state and belongs to Bingham bodies (Bingham), the complete uniform mixing of the soil is particularly difficult due to the binding force among the surfaces of the components of the mixture, and particularly, the dispersion uniformity of water and cement cannot be ensured. The vibration stirring equipment is applied in large scale in actual production, and the uniformity of the distribution of cement and water among aggregate particles can be improved by adopting vibration stirring, so that the defects caused by stirring are reduced.
In the prior art, a chinese patent with application number 2018107530172 discloses a road semi-rigid base material indoor rotary drop-out type vibration mixing device, belonging to the technical field of transportation equipment. The equipment comprises an equipment outer frame, a charging barrel, an electromagnetic vibrating piece, a rotating motor, a carbon brush and a control box; the feed cylinder slope install on the crossbeam of equipment outer frame upper end, rotating electrical machines and control box all install on the equipment outer frame, the rotating electrical machines output drive the crossbeam of equipment outer frame upper end through transmission and rotate, the control box be used for controlling the rotating electrical machines start and stop, the electromagnetism trembler be two, paste two opposite faces at the feed cylinder, the carbon brush for two electromagnetism tremblers power supply, the carbon brush passes through the control box power supply.
According to the technical scheme, the mixing speed of the coarse and fine aggregates can be improved, however, the charging barrel in the technical scheme is obliquely fixed on the rotating shaft, in actual use, the grain size and the proportion of the coarse and fine aggregates are adjusted according to the requirement and the characteristic of a road, the charging barrel fixed at an angle cannot be suitable for the coarse and fine aggregates with different grain sizes and proportions, and the charging barrel is difficult to act on all materials.
Disclosure of Invention
An object of the utility model is to provide a road semi-rigid base material indoor rotation drop out vibration mix equipment aims at solving prior art, and mix equipment exists that the unable regulation of feed cylinder angle leads to, and the feed cylinder of fixed angle can't be applicable to the thickness of different crystalline grain sizes and ratio and gathers materials, is difficult to the problem of using on all materials.
The utility model discloses a realize like this:
an indoor rotary drop-out type vibration mixing device for road semi-rigid base materials comprises a device outer frame, a driving mechanism, a mixing mechanism, an adjusting mechanism and a control box; wherein the content of the first and second substances,
a driving mechanism is arranged on the outer frame of the equipment;
the driving mechanism is connected with a mixing mechanism through an adjusting mechanism and is used for driving the adjusting mechanism and the mixing mechanism to rotate together;
the adjusting mechanism is used for installing and fixing the mixing mechanism;
the mixing mechanism is used for stirring and mixing materials, and comprises a charging barrel, a barrel cover, two blades, two rotating shafts and two electromagnetic vibration sheets, wherein the charging barrel is provided with the barrel cover which can be opened or closed, the inner wall of the charging barrel is vertically and fixedly provided with the plurality of blades, the two rotating shafts are respectively adhered to two opposite surfaces of the charging barrel, the rotating shafts are connected with the adjusting mechanism and are used for obliquely arranging the charging barrel on the adjusting mechanism, and the two electromagnetic vibration sheets are respectively and fixedly arranged on the two opposite surfaces of the charging barrel;
the control box is used for controlling the work of the driving mechanism, the adjusting mechanism and the electromagnetic vibrating piece.
Furthermore, actuating mechanism includes rotating electrical machines, cycloid pin wheel reduction gear and rotation axis, rotating electrical machines fixed mounting is on the outer frame of equipment, and rotating electrical machines passes through the converter connection control box, rotating electrical machines's output shaft fixed connection is on cycloid pin wheel reduction gear's input shaft, be connected with the rotation axis on cycloid pin wheel reduction gear's the output shaft, the rotation axis is two-section structure, and the rotation axis passes through the bearing and rotates and install on the outer frame of equipment, two-section fixedly connected with adjustment mechanism between the rotation axis.
Further, adjustment mechanism includes annular mounting panel, hydraulic telescoping rod, gyro wheel, regulation disc and connecting rod, the both sides difference fixed connection rotation axis of annular mounting panel rotates the pivot that is connected with on the feed cylinder on the annular mounting panel, hydraulic telescoping rod transversely installs on the outer frame of equipment, two gyro wheels of hydraulic telescoping rod's expansion end downside fixedly connected with, two gyro wheel roll connection is in the both sides of adjusting the disc, and control about the regulation disc through hydraulic telescoping rod's flexible control, and hydraulic telescoping rod is by control box control work, adjust disc splined connection on the rotation axis, it has the connecting rod to articulate on the regulation disc, the tip of connecting rod articulates on the feed cylinder.
Further, the outer frame of equipment includes base, riser, No. two risers, diaphragm and No. two diaphragms, fixed mounting has riser and No. two risers on the base, riser and No. two risers are used for the installation of two segmentation rotation axes, and the right side fixed mounting of riser has a diaphragm, fixed mounting has the rotating electrical machines on the diaphragm, and No. two left side fixed mounting of riser has No. two diaphragms, the upside fixed mounting of No. two diaphragms has hydraulic telescoping rod, and the downside fixed mounting of No. two diaphragms has the carbon brush.
Furthermore, the roller is made of rubber materials.
Furthermore, the control box is electrically connected with the driving mechanism and the adjusting mechanism through wires, and is also electrically connected with the electromagnetic vibrating reed through wires and carbon brushes and used for supplying power to the rotating electromagnetic vibrating reed.
Further, the charging barrel is rotatably arranged on the annular mounting plate at an inclination angle of 30 degrees with the vertical direction.
Furthermore, the electromagnetic vibration piece has a vibration amplitude of 30 Hz-70 Hz and a vibration amplitude of 0.1-1 mm.
Further, fixed mounting has fixing bolt on the base, and fixing bolt is used for with the pedestal mounting work platform on, the downside of base is pasted and is had rubber shock absorber layer.
Furthermore, a dustproof sound-proof housing is fixedly mounted on the base, the driving mechanism, the mixing mechanism and the adjusting mechanism are arranged inside the dustproof sound-proof housing, the control box is mounted outside the dustproof sound-proof housing, a sealing door capable of being opened or closed is arranged on the dustproof sound-proof housing, and a cooling fan is mounted at the top of the dustproof sound-proof housing.
Compared with the prior art, the utility model provides a road semi-rigid base material indoor rotation drop-out vibration mix equipment, through setting up the mix mechanism, the cooperation linkage between adjustment mechanism and actuating mechanism, realize the infinitely variable control of feed cylinder angle, in the in-process of mixing, semi-rigid base material both produced macroscopic horizontal reciprocating motion and vertical drop motion, and there is microcosmic vibration again, macroscopic motion makes the thickness gather materials and distributes evenly, microcosmic vibration makes water and cement distribute on the material surface evenly, and in the space that interact infiltration was gathered materials, not only make thickness gather materials and cement, cement evenly mix together, can improve the maturity that the rubble was stabilized to cement simultaneously again, improve the construction workability; through the thickness that will same ratio gather materials and carry out the different experiments of multi-angle respectively, can obtain the thickness that this ratio condition was down and gather materials and be fit for the feed cylinder of how many inclination of application and stir, can obtain the thickness of different ratios through repeated experiment and gather materials the best mixed angle, can also carry out the optimization of mix technology through this mix equipment, and then obtain the better material of mixed effect.
Drawings
Fig. 1 is a schematic structural view of a rotary drop-out type vibration mixing device in a road semi-rigid base material chamber provided by the utility model;
fig. 2 is a top view of a cartridge provided by the present invention;
FIG. 3 is an enlarged partial schematic view at A of FIG. 1;
FIG. 4 is a schematic view of the construction of the dust and sound enclosure;
figure 5 is a schematic view of the structure of the shock absorbing assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to the preferred embodiments.
The embodiment provides a road semi-rigid base material indoor rotary drop-out type vibration mixing device, as shown in fig. 1, the mixing device comprises a device outer frame 1, a driving mechanism 2, a mixing mechanism 3, an adjusting mechanism 4 and a control box 5; specifically, a driving mechanism 2 is arranged on an equipment outer frame 1;
in this embodiment, the driving mechanism 2 is connected with the mixing mechanism 3 through the adjusting mechanism 4, and the driving mechanism 2 can drive the adjusting mechanism 4 and the mixing mechanism 3 to rotate together; the adjusting mechanism 4 is arranged between the mixing mechanism 3 and the driving mechanism 2, plays a role in transmission, adds the proportioned materials into the mixing mechanism 3, controls the driving mechanism 2 and the mixing mechanism 3 to work through the control box 5, controls the adjusting mechanism 4 to work through the control box 5, and adjusts the installation angle of the mixing mechanism 3; the mixing mechanism 3 rotates to mix and stir the materials;
in this embodiment, the mixing mechanism 3 includes a barrel 301, a barrel cover 302, two blades 303, two rotating shafts 304 and two electromagnetic vibration sheets 305, as shown in fig. 2, the barrel 301 is provided with the barrel cover 302 capable of being opened or closed, the inner wall of the barrel 301 is vertically and fixedly provided with the plurality of blades 303, the two rotating shafts 304 are respectively adhered to two opposite surfaces of the barrel 301, the rotating shafts 304 are connected with the adjusting mechanism 4 and used for obliquely arranging the barrel 301 on the adjusting mechanism 4, and the two electromagnetic vibration sheets 305 are respectively and fixedly arranged on the two opposite surfaces of the barrel 301; specifically, in the mixing process, the semi-rigid base material generates macroscopic transverse reciprocating motion and vertical falling motion and microscopic vibration, the macroscopic motion enables coarse and fine aggregates to be uniformly distributed, the microscopic vibration enables water and cement to be uniformly distributed on the surface of the material and to be mutually interacted to permeate into gaps of the aggregates, the coarse and fine aggregates, the cement and the cement are uniformly mixed together, the maturity of cement stabilized macadam can be improved, and the construction workability is improved.
Have, through the thickness that will same ratio gather materials and carry out the different experiments of multi-angle respectively, can obtain the thickness that this ratio condition was gathered materials and be fit for the feed cylinder 301 of what inclination of application and stir, can obtain the thickness of different ratios through repeated experiment and gather materials the best mixed angle, can also carry out the optimization of mix technology through this mix equipment, for example: adjusting the charging barrel 301 to form an inclination angle of 30 degrees with the vertical direction through the adjusting mechanism 4, adding cement and partial water, mixing for 10min, adjusting the charging barrel 301 to form an inclination angle of 40 degrees with the vertical direction through the adjusting mechanism 4, adding the rest water, mixing for 30min again, and further obtaining a material with a better mixing effect.
In this embodiment, the driving mechanism 2 includes a rotating electrical machine 201, a cycloidal pin gear speed reducer 202 and a rotating shaft 203, as shown in fig. 1, the rotating electrical machine 201 is fixedly installed on the equipment outer frame 1, an output shaft of the rotating electrical machine 201 is fixedly connected to an input shaft of the cycloidal pin gear speed reducer 202, the rotating shaft 203 is connected to an output shaft of the cycloidal pin gear speed reducer 202, the rotating shaft 203 is of a two-segment structure, that is, there are two rotating shafts 203, the two rotating shafts 203 are respectively rotatably installed on the equipment outer frame 1 through bearings, rotating axes of the two rotating shafts 203 are located on the same axis, an adjusting mechanism 4 is fixedly connected between the two segments of rotating shafts 203, specifically, the rotating speed cannot be too fast due to the action of centrifugal force, and therefore, the speed reduction ratio of the cycloidal pin gear speed reducer 202 is 1: 87, the rotating electrical machine 201 is connected to the control box 5 through the frequency converter, the rotating speed of the rotating electrical machine 201 is adjusted by the frequency converter, so as to achieve the best mixing effect, in order to avoid vibration, the rotating shaft 203 is further provided with a shock absorbing assembly 6, specifically, the shock absorbing assembly 6 is composed of a torsion bar 601, a shock absorbing spring 602 and a spacing ring 603, the spacing ring 603 is installed on the rotating shaft 203, the torsion bar 601 is connected to two sections of the rotating shaft 203, the shock absorbing spring 602 is installed between the two spacing rings 603, specifically, as shown in fig. 5, the vibration generated by the rotation of the charging barrel 301 can be greatly absorbed, the vibration transmitted from the rotating shaft 203 to the equipment outer frame 1 can be greatly reduced, and the noise can be effectively suppressed.
In this embodiment, the adjusting mechanism 4 includes an annular mounting plate 401, a hydraulic telescopic rod 402, rollers 403, an adjusting disc 404 and a connecting rod 405, as shown in fig. 3, two sides of the annular mounting plate 401 are respectively and fixedly connected with a rotating shaft 203, the annular mounting plate 401 is rotatably connected with a rotating shaft 304 on the charging barrel 301, the hydraulic telescopic rod 402 is transversely mounted on the equipment outer frame 1, the hydraulic telescopic rod 402 can also be replaced by an electric telescopic rod or a servo electric cylinder, two rollers 403 are fixedly connected to the lower side of the movable end of the hydraulic telescopic rod 402, the two rollers 403 are connected to two sides of the adjusting disc 404 in a rolling manner, the adjusting disc 404 is controlled to move left and right 404 by the expansion and contraction of the hydraulic telescopic rod 402, the hydraulic telescopic rod 402 is controlled by the control box 5 to operate, the adjusting disc 404 is connected to the rotating shaft 203 in a spline, the adjusting disc 404 is hinged with the connecting rod 405, and the end of the connecting rod 405 is hinged to the charging barrel 301; specifically, when the adjusting disc 404 moves rightwards, the connecting rod 405 pushes the barrel 301 to rotate anticlockwise, and when the adjusting disc 404 moves leftwards, the connecting rod 405 pushes the barrel 301 to rotate clockwise.
In this embodiment, the equipment outer frame 1 includes a base 101, a riser 102, No. two risers 103, a transverse plate 104 and No. two transverse plates 105, as shown in fig. 1, a riser 102 and No. two risers 103 are fixedly mounted on the base 101, the riser 102 and No. two risers 103 are used for installation of a two-section type rotating shaft 203, a transverse plate 104 is fixedly mounted on the right side of the riser 102, a rotating motor 201 is fixedly mounted on the transverse plate 104, a transverse plate 105 is fixedly mounted on the left side of the riser 103, a hydraulic telescopic rod 402 is fixedly mounted on the upper side of the transverse plate 105, a carbon brush 6 is fixedly mounted on the lower side of the transverse plate 105, the control box 5 is electrically connected with the driving mechanism 2 and the adjusting mechanism 4 through wires, the control box 5 is further electrically connected with the electromagnetic vibrating piece 305 through the wires and the carbon brush 6, and is used for supplying power to the rotating electromagnetic vibrating piece 305.
In this embodiment, the roller 403 is made of rubber, so that noise generated by the roller 403 rolling on the adjusting disc 404 can be reduced.
In this embodiment, the cartridge 301 is rotatably mounted on the annular mounting plate 401 at an oblique angle of 30 ° to the vertical.
In this embodiment, the electromagnetic vibration piece 305 has a vibration amplitude of 30Hz to 70Hz and a vibration amplitude of 0.1 to 1 mm.
In this embodiment, fixed mounting has fixing bolt 106 on base 101, fixing bolt 106 is used for installing base 101 to work platform on, the downside of base 101 is pasted and is had rubber shock-absorbing layer 107, during the mix, the mix mechanism need should be when carrying out simple counter weight balance earlier, the mix mechanism can vibrate when rotatory, rubber shock-absorbing layer 107 can absorb the impact that the vibration produced between base 101 and work platform, reduce mechanical friction, realize the effect of noise reduction.
In this embodiment, fixed mounting has dustproof sound-proof housing 108 on base 101, as shown in fig. 4, actuating mechanism 2, mixing mechanism 3 and adjustment mechanism 4 arrange the inside at dustproof sound-proof housing 108, dustproof sound-proof housing 108 can assemble the constitution through the acoustic celotex board, for convenient observation, can also set up transparent observation window on the dustproof sound-proof housing 108, control box 5 installs the outside at dustproof sound-proof housing 108, set up the sealing door that can open or close on dustproof sound-proof housing 108, radiator fan 109 is installed at dustproof sound-proof housing 108 top, can promote mixing equipment's silence effect greatly, provide comfortable operational environment for the staff.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to the drawings, the preferred embodiment of the present invention is shown.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An indoor rotary drop-out type vibration mixing device for road semi-rigid base materials is characterized by comprising a device outer frame, a driving mechanism, a mixing mechanism, an adjusting mechanism and a control box; wherein the content of the first and second substances,
a driving mechanism is arranged on the outer frame of the equipment;
the driving mechanism is connected with a mixing mechanism through an adjusting mechanism and is used for driving the adjusting mechanism and the mixing mechanism to rotate together;
the adjusting mechanism is used for installing and fixing the mixing mechanism;
the mixing mechanism is used for stirring and mixing materials, and comprises a charging barrel, a barrel cover, two blades, two rotating shafts and two electromagnetic vibration sheets, wherein the charging barrel is provided with the barrel cover which can be opened or closed, the inner wall of the charging barrel is vertically and fixedly provided with the plurality of blades, the two rotating shafts are respectively adhered to two opposite surfaces of the charging barrel, the rotating shafts are connected with the adjusting mechanism and are used for obliquely arranging the charging barrel on the adjusting mechanism, and the two electromagnetic vibration sheets are respectively and fixedly arranged on the two opposite surfaces of the charging barrel;
the control box is used for controlling the work of the driving mechanism, the adjusting mechanism and the electromagnetic vibrating piece.
2. The indoor rotary drop-out vibratory mixing apparatus for road semi-rigid base materials as claimed in claim 1, wherein the driving mechanism comprises a rotary motor, a cycloidal pin gear speed reducer and a rotary shaft, the rotary motor is fixedly mounted on an outer frame of the apparatus, the rotary motor is connected with the control box through a frequency converter, an output shaft of the rotary motor is fixedly connected to an input shaft of the cycloidal pin gear speed reducer, the rotary shaft is connected to an output shaft of the cycloidal pin gear speed reducer, the rotary shaft is of a two-section structure, the rotary shaft is rotatably mounted on the outer frame of the apparatus through a bearing, and an adjusting mechanism is fixedly connected between the two sections of rotary shafts.
3. The indoor rotary drop-out vibratory mixing equipment for road semi-rigid base materials as claimed in claim 2, wherein the adjusting mechanism comprises an annular mounting plate, a hydraulic telescopic rod, rollers, an adjusting disc and a connecting rod, wherein the two sides of the annular mounting plate are respectively fixedly connected with a rotating shaft, the annular mounting plate is rotatably connected with a rotating shaft on the charging barrel, the hydraulic telescopic rod is transversely installed on an equipment outer frame, two rollers are fixedly connected to the lower side of the movable end of the hydraulic telescopic rod and are in rolling connection with the two sides of the adjusting disc, the adjusting disc is controlled by a control box to move left and right through the expansion and contraction of the hydraulic telescopic rod, the hydraulic telescopic rod is controlled by the control box to work, the adjusting disc is in splined connection with the rotating shaft, the adjusting disc is hinged with the connecting rod, and the end part of the connecting rod is hinged on the charging barrel.
4. The indoor rotation drop-out vibration mix equipment of road semi-rigid base material of claim 3, characterized in that, equipment outer frame includes base, riser, No. two risers, diaphragm and No. two diaphragms, fixed mounting has riser and No. two risers on the base, riser and No. two risers are used for the installation of two segmentation rotation axes, and the right side fixed mounting of riser has a diaphragm, fixed mounting has a rotating electrical machines on the diaphragm, and the left side fixed mounting of No. two risers has No. two diaphragms, the upside fixed mounting of No. two diaphragms has hydraulic telescoping rod, and the downside fixed mounting of No. two diaphragms has the carbon brush.
5. A roadway semi-rigid base material indoor rotary drop-out vibratory mixing apparatus as in claim 3 wherein said rollers are made of rubber.
6. The indoor spin-down vibratory mixing apparatus of claim 1 wherein the control box is electrically connected to the drive mechanism and the adjustment mechanism by wires and the control box is further electrically connected to the electromagnetic vibratory reed by wires and carbon brushes for powering the rotating electromagnetic vibratory reed.
7. A road semi-rigid base material indoor rotary drop-out vibratory mixing apparatus as claimed in claim 1 wherein said barrel is rotatably mounted on an annular mounting plate at an oblique angle of 30 ° to the vertical.
8. The indoor rotary drop-out vibratory mixing apparatus of claim 1 wherein said electromagnetic vibratory reed is an electromagnetic vibratory reed having a vibration amplitude of between 30Hz and 70Hz and an amplitude of between 0.1 mm and 1 mm.
9. An indoor rotary drop-out vibratory mixing apparatus for road semi-rigid base materials as claimed in claim 4 wherein said base is fixedly mounted with anchor bolts for mounting the base to a work platform, and a rubber shock absorber layer is adhered to the underside of said base.
10. The indoor rotary drop-out vibratory mixing apparatus for road semi-rigid base materials according to claim 9, wherein a dustproof soundproof cover is fixedly mounted on the base, the driving mechanism, the mixing mechanism and the adjusting mechanism are arranged inside the dustproof soundproof cover, the control box is mounted outside the dustproof soundproof cover, a sealing door capable of being opened or closed is arranged on the dustproof soundproof cover, and a heat radiating fan is mounted at the top of the dustproof soundproof cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021935190.3U CN214163524U (en) | 2020-09-04 | 2020-09-04 | Indoor rotary drop-out type vibration mixing equipment for road semi-rigid base material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021935190.3U CN214163524U (en) | 2020-09-04 | 2020-09-04 | Indoor rotary drop-out type vibration mixing equipment for road semi-rigid base material |
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| Publication Number | Publication Date |
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| CN214163524U true CN214163524U (en) | 2021-09-10 |
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| CN202021935190.3U Active CN214163524U (en) | 2020-09-04 | 2020-09-04 | Indoor rotary drop-out type vibration mixing equipment for road semi-rigid base material |
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| CN (1) | CN214163524U (en) |
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