CN214320803U - Concrete mixer truck tails retrieves and recycles device - Google Patents
Concrete mixer truck tails retrieves and recycles device Download PDFInfo
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- CN214320803U CN214320803U CN202120169889.1U CN202120169889U CN214320803U CN 214320803 U CN214320803 U CN 214320803U CN 202120169889 U CN202120169889 U CN 202120169889U CN 214320803 U CN214320803 U CN 214320803U
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Abstract
The application discloses concrete mixer truck tails retrieves and recycles device relates to the technical field that the concrete was retrieved. Comprises a collecting tank, wherein the collecting tank is provided with a water outlet hole and a sand outlet; a stone sieve is arranged in parallel at the top of the collecting tank and used for screening stones in concrete tailings, one end of the stone sieve in the length direction is hinged with the collecting tank, and the other end of the stone sieve in the length direction is lapped on the collecting tank; a lifting device is arranged at the top of the aggregate pool and drives the stone screen to rotate around the articulated shaft; be provided with the screening conveyer in the pond that gathers materials, screening conveyer is arranged in the screening and collects the fine sand in the concrete tails and transports the fine sand to the sand outlet. This application has realized categorised, recovery, the recycling to the concrete tailing in the concrete mixing truck.
Description
Technical Field
The application relates to the technical field of concrete recycling, in particular to a concrete mixer truck tailing recycling device.
Background
The inside of concrete mixer truck needs to be cleaned after transporting the concrete, avoids the concrete tails to solidify in the inside of mixer truck, and clear mode is mainly washed in the inside of mixer truck with water, and the concrete tails who washes out directly discharges and can cause environmental pollution.
At present, the method for treating the concrete tailings in the concrete mixer truck is to discharge the concrete tailings at fixed points and collect the concrete tailings in a centralized manner, so that the condition of large-area environmental pollution caused by random discharge of the concrete tailings is reduced.
Aiming at the technical scheme, the inventor thinks that although the pollution to the environment is effectively reduced by the fixed-point discharge and the centralized treatment of the concrete tailings in the concrete mixer truck, the waste of stones and fine sand in the concrete tailings is caused.
SUMMERY OF THE UTILITY MODEL
In order to classify, retrieve, recycle the concrete tails in the concrete mixer truck, this application provides a concrete mixer truck tails retrieves recycles device.
The application provides a pair of concrete mixer truck tails retrieves recycles device adopts following technical scheme:
comprises a collecting tank, wherein the collecting tank is provided with a water outlet hole and a sand outlet; a gravel sieve is arranged at the top of the collecting pool in parallel, the gravel sieve is a rectangular box body with the top and one side in the length direction of the gravel sieve are both open, the gravel sieve is used for screening stones in concrete tailings, one end in the length direction of the gravel sieve is hinged with the collecting pool, and the other end in the length direction of the gravel sieve is lapped on the collecting pool;
a lifting device is arranged at the top of the aggregate pool and drives the stone screen to rotate around a hinged shaft;
be provided with screening conveyer in the pond of gathering materials, screening conveyer is arranged in the screening to collect the fine sand in the concrete tailings and transports the fine sand to go out the sand mouth.
By adopting the technical scheme, the concrete mixer truck pours the concrete tailings onto the stone screen, the tailings are screened by the stone screen, and stones in the tailings stay on the stone screen; fine sand and wastewater in the tailings pass through a stone screen and fall into an aggregate pool, the fine sand and the wastewater are screened by a screening and conveying device, the fine sand stays on the screening and conveying device and is conveyed to a sand outlet through the screening and conveying device to be recycled in a centralized manner; the wastewater passes through the screening and conveying device and then flows out of the collecting tank along the water outlet holes and is treated in a centralized manner; after concrete tailings in the concrete mixer truck are completely poured, the lifting device is started, the lifting device drives the stone screen to rotate around the hinged shaft, the stone screen is in an inclined state at the moment, and the tailings slide on the stone screen by means of self gravity, so that the situation that fine sand and stones are insufficiently separated due to the accumulation of the tailings is reduced, and the stones slide outside the stone screen by means of gravity to be intensively recycled; the concrete tailing in the concrete mixer truck is classified, recycled and reused.
Preferably, the lifting device comprises a lifting motor and a winding roller, the lifting motor and the winding roller are both fixed at the top of the collecting pool, and the output end of the lifting motor is coaxially and fixedly connected with the winding roller;
the lifting device comprises a support frame, the support frame is fixed at the top of the collecting pool, a fixed pulley is rotatably connected to the support frame and positioned above the winding roller, and the axial direction of the fixed pulley is the same as that of the winding roller;
the lifting device comprises a rope, one end of the rope is wound and fixed on the winding roller, and the other end of the rope passes around the fixed pulley and is fixedly connected with a lifting hook; the lifting hook is clamped at one end, deviating from the hinged end, of the stone screen.
By adopting the technical scheme, the lifting motor is started, when the lifting motor drives the winding roller to rotate in the forward direction, the rope is contracted, so that the stone sieve is driven to rotate around the hinge shaft in the direction away from the collecting pool, and the stone sieve is in an inclined state at the moment, so that stones can conveniently slide outside the stone sieve by virtue of the gravity of the stone sieve; when the hoisting motor drives the winding roller to rotate reversely, the rope stretches, and the stone sieve rotates around the hinged shaft towards the direction of the aggregate pool by means of gravity until one end of the stone sieve, which deviates from the hinged end, contacts with the top of the aggregate pool.
Preferably, the end of the gravel screen, which is away from the hinged end, is provided with a boosting device, and the boosting device is used for assisting the gravel to slide out of the gravel screen.
By adopting the technical scheme, the boosting device pushes the stones to slide out of the stone screen, the occurrence of the situation that the stones are clamped in the screen holes on the stone screen is reduced, and the probability that the stones block the screen holes of the stone screen is reduced.
Preferably, the boosting device comprises a hydraulic cylinder fixed at one end of the stone screen, which is far away from the hinged end, and the axis of the output end of the hydraulic cylinder is arranged along the length direction of the stone screen;
the output end of the hydraulic cylinder is fixedly connected with an auxiliary push rod, and the auxiliary push rod is arranged along the width direction of the stone screen;
the push-aid rod is fixedly connected with bristles, and the bristles are in close contact with the surface of the stone screen.
By adopting the technical scheme, the boosting rod moves along the length direction of the stone screen under the driving of the hydraulic cylinder, and pushes stones to slide out of the stone screen along the length direction of the stone screen; the bristles are in close contact with the stone screen, and the bristles are driven by the push-aid rod to push fine sand adhered to the surface of the stone screen into the collecting pool; not only can assist the stones to slide out of the stone screen, but also can push the fine sand adhered to the surface of the stone screen into the aggregate pool, thereby improving the recovery rate of the tailings.
Preferably, the screening and transporting device comprises a driving motor, and the driving motor is fixed outside the aggregate pool and is positioned at the position of the sand outlet;
the screening and conveying device further comprises a driving rolling shaft which is coaxially and fixedly connected with the driving motor;
the screening and conveying device also comprises a driven roller fixed at the bottom of the collecting tank;
a conveying belt is sleeved and connected between the driven rolling shaft and the driving rolling shaft, penetrates through the sand outlet and is obliquely arranged, and the conveying belt is positioned right below the stone screen;
by adopting the technical scheme, the fine sand and the waste water fall onto the conveying belt after falling from the stone screen, the driving motor drives the conveying belt to move, and the conveying belt conveys the fine sand to the sand outlet; conveying belt slope sets up, and waste water flows down to the pond bottom of gathering materials along conveying belt to along apopore outflow collecting pond.
Preferably, the bottom of the aggregate pool is provided with a stirring device.
Through adopting above-mentioned technical scheme, through the waste water in the agitating unit stirring collecting tank, silt is discharged along the apopore along with waste water to reduce the quantity of sediment in the silt of collecting tank bottom, reduce the amount of labour that operating personnel washd collecting tank.
Preferably, the stirring device comprises a stirring motor fixed at the bottom of the collecting tank, and the stirring motor is coaxially and fixedly connected with a stirring blade.
Through adopting above-mentioned technical scheme, agitator motor drives stirring vane and rotates, realizes the effect of stirring waste water, simple structure, reduce cost.
Preferably, a buffering pressure spring is arranged between the pebble sieve and the collecting tank, the buffering pressure spring is fixed to the top of the collecting tank, and one end, deviating from the hinged end, of the pebble sieve is lapped on the buffering pressure spring.
Through adopting above-mentioned technical scheme, the buffering pressure spring plays resistance to compression shock-absorbing effect, reduces the effort when stone sieve and the pond contact that gathers materials to play the guard action.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the concrete mixer truck pours the concrete tailings onto the stone screen, the tailings are screened by the stone screen, and stones in the tailings stay on the stone screen; fine sand and wastewater in the tailings pass through a stone screen and fall into an aggregate pool, the fine sand and the wastewater are screened by a screening and conveying device, the fine sand stays on the screening and conveying device and is conveyed to a sand outlet through the screening and conveying device to be recycled in a centralized manner; the wastewater passes through the screening and conveying device and then flows out of the collecting tank along the water outlet holes and is treated in a centralized manner; after concrete tailings in the concrete mixer truck are completely poured, the lifting device is started, the lifting device drives the stone screen to rotate around the hinged shaft, the stone screen is in an inclined state at the moment, and the tailings slide on the stone screen by means of self gravity, so that the situation that fine sand and stones are insufficiently separated due to the accumulation of the tailings is reduced, and the stones slide outside the stone screen by means of gravity to be intensively recycled; the classification, recovery and reutilization of the concrete tailings in the concrete mixer truck are realized;
2. the boosting device pushes the stones to slide out of the stone screen, so that the situation that the stones are stuck in screen holes on the stone screen is reduced, and the probability that the stone screen holes are blocked by the stones is reduced;
3. through the waste water in agitating unit stirring collecting tank, silt is discharged along the apopore along with waste water to reduce the quantity of the sediment of deposit in the bottom of the collecting tank, reduce the amount of labour that operating personnel washd collecting tank.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic cross-sectional structure diagram of an embodiment of the present application.
Description of reference numerals: 1. a material collecting tank; 11. a water outlet hole; 12. connecting lugs; 121. connecting holes; 13. buffering a pressure spring; 14. a sand outlet; 15. a containing groove; 16. a water baffle; 2. screening stones; 21. a connecting shaft; 22. a coarse filter screen; 221. coarse filtering holes; 3. screening and transporting devices; 31. a first bearing housing; 32. a driving roller; 33. a drive motor; 34. a second bearing housing; 35. a driven roller; 36. a conveyor belt; 37. fine filtration pores; 4. a stirring device; 41. a stirring motor; 42. a stirring blade; 5. a lifting device; 51. a hoisting motor; 52. a third bearing seat; 53. a winding roller; 54. a support frame; 55. a fixed pulley; 56. a rope; 6. a connecting assembly; 61. a hook; 62. a hoisting ring; 7. a boosting device; 71. a hydraulic cylinder; 72. a push-aid rod; 73. and (3) brush hairs.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses concrete mixer truck tails retrieves and recycles device.
Examples
Referring to fig. 1, including collecting tank 1, collecting tank 1 is the rectangle box body of one end open-ended, and collecting tank 1 open end deviates from ground setting. The bottom of the collecting tank 1 is provided with a water outlet hole 11 for the wastewater to flow out; one end fixedly connected with two engaging lugs 12 on the 1 ascending length direction in top of collecting pond, two engaging lugs 12 are along the parallel interval setting in 1 width direction's of collecting pond both ends. Connecting holes 121 are formed in the connecting lugs 12, the axes of the two connecting holes 121 are arranged along the width direction of the collecting tank 1, and the axes of the two connecting holes 121 are located on the same straight line.
Parallel arrangement has stone sieve 2 directly over the pond of gathering materials 1, and stone sieve 2 is the top and follows the equal open-ended rectangle box body in its length direction's a side, and 2 length direction of stone sieve set up along pond of gathering materials 1 length direction. The stone screen 2 is fixedly connected with a connecting shaft 21 at a position corresponding to the connecting hole 121, and the connecting shaft 21 at the corresponding position is rotatably connected with the connecting hole 121.
A plurality of buffering pressure springs 13 of one end fixedly connected with that 1 top deviates from engaging lug 12 of collecting tank, buffering pressure spring 13 axis set up along vertical direction, and a plurality of buffering pressure springs 13 set up along 1 width direction interval in collecting tank. One end of the bottom surface of the stone screen 2, which is far away from the connecting shaft 21, is in contact with and pressed tightly by the buffer pressure spring 13. The buffering pressure spring 13 plays a compression-resistant and shock-absorbing role, and the acting force of the pebble sieve 2 in contact with the collecting tank 1 is reduced, so that the protective effect is achieved.
The bottom surface of the stone screen 2 is provided with a coarse filter screen 22, the coarse filter screen 22 comprises a plurality of coarse filter holes 221 formed in the bottom surface of the stone screen 2, and the coarse filter holes 221 allow fine sand and wastewater to pass through. When the residual concrete in the concrete mixer truck falls to the gravel screen 2, the gravel is stopped on the gravel screen 2 through the screening of the coarse filter screen 22, and the fine sand and the wastewater pass through the coarse filter holes 221 and fall under the gravel screen 2.
Referring to fig. 1 and 2, a sand outlet 14 is formed in one side wall of the collecting tank 1 in the length direction, the sand outlet 14 is arranged along the width direction of the collecting tank 1, and the sand outlet 14 is located below the gravel screen 2. Be provided with screening conveyer 3 in the collecting basin 1, screening conveyer 3 is used for screening the fine sand and retrieves the transportation to sand outlet 14 with the fine sand.
Screening conveyer 3 includes two first bearing frame 31, and two first bearing frame 31 are located the both ends of sand outlet 14 respectively, and the axis of two first bearing frame 31 all sets up along the aggregate box 1 width direction to the axis of two first bearing frame 31 is located collinear. A driving roller 32 is rotatably connected between the two first bearing seats 31; the screening and conveying device 3 comprises a driving motor 33, the output end of the driving motor 33 is coaxially and fixedly connected with the driving roller 32, and the driving motor 33 is fixed on the outer side wall of the collecting tank 1;
the screening and conveying device 3 comprises two second bearing seats 34, the two second bearing seats 34 are respectively positioned at one end of the bottom of the collecting tank 1, which is far away from the sand outlet 14, the two second bearing seats 34 are arranged in parallel at intervals along the width direction of the collecting tank 1, and the axes of the two second bearing seats 34 are arranged along the width direction of the collecting tank 1; a driven roller 35 is rotatably connected between the two second bearing seats 34; a conveying belt 36 is sleeved between the driven roller 35 and the driving roller 32, a fine filtering hole 37 is formed in the conveying belt 36, and the fine filtering hole 37 is used for retaining fine sand to filter away waste water.
The bottom of the collecting tank 1 is provided with a containing groove 15, the top end of the containing groove 15 is fixedly connected with a water baffle 16, and the upper end surface of the water baffle 16 is flush with the bottom surface of the collecting tank 1; be provided with agitating unit 4 in the collecting tank 1, agitating unit 4 is used for stirring waste water, stirs the waste water in the collecting tank 1 through agitating unit 4, and silt is along with waste water along apopore 11 discharges to reduce the quantity of sediment in the sediment of collecting tank 1 bottom, reduce the amount of labour that operating personnel washd collecting tank 1.
The stirring device 4 comprises a stirring motor 41, the stirring motor 41 is fixed in the accommodating groove 15, the output end of the stirring motor 41 vertically penetrates through the water baffle 16 and extends into the collecting tank 1, and the output end of the stirring motor 41 is coaxially and fixedly connected with a stirring blade 42.
The top of the collecting tank 1 is provided with a lifting device 5, and the lifting device 5 is positioned at one end of the top of the collecting tank 1, which is far away from the connecting lug 12. The lifting device 5 is used for driving the stone screen 2 to rotate around the axis direction of the connecting shaft 21.
The lifting device 5 comprises a lifting motor 51, the lifting motor 51 is fixed at the top of the collecting tank 1 through bolts, and the axis of the output end of the lifting motor 51 is arranged along the width direction of the collecting tank 1; the top of the collecting tank 1 is fixedly connected with a third bearing seat 52, and the axis of the third bearing seat 52 and the axis of the output end of the lifting motor 51 are positioned on the same straight line; the output end of the lifting motor 51 is fixedly connected with a winding roller 53, and one end of the winding roller 53 departing from the lifting motor 51 is rotatably connected with the third bearing seat 52;
the lifting device 5 comprises a support frame 54, and the support frame 54 is fixed on the top of the collecting tank 1. A fixed pulley 55 is fixedly connected to the supporting frame 54, and the axis direction of the fixed pulley 55 is arranged along the width direction of the collecting tank 1; the hoisting means 5 comprises a rope 56, one end of the rope 56 is wound around the winding roller 53, and the other end of the rope 56 is wound around the fixed pulley 55 and provided with the connecting assembly 6. The attachment assembly 6 comprises a hook 61 fixedly connected to the rope 56, and the attachment assembly 6 further comprises a lifting eye 62 cooperating with the hook 61, the lifting eye 62 being fixed to an end of the stone screen 2 facing the lifting device 5.
The end, deviating from the opening, of the length direction of the stone screen 2 is provided with a boosting device 7, and the boosting device 7 is used for assisting stones piled on the stone screen 2 to slide out of the stone screen 2 along the length direction of the stone screen 2. The boosting device 7 comprises a hydraulic cylinder 71, the axis of the output end of the hydraulic cylinder 71 is arranged along the length direction of the stone screen 2, a boosting rod 72 is fixedly connected to the output end of the hydraulic cylinder 71, the boosting rod 72 is arranged along the width direction of the stone screen 2, the length of the boosting rod 72 is equal to the width between two inner side walls of the stone screen 2, and one end of the boosting rod 72, facing the coarse filter screen 22, is fixedly connected with bristles 73.
The push-aid rod 72 is driven by the hydraulic cylinder 71 to move along the length direction of the stone screen 2, and the push-aid rod 72 pushes the stones to slide out of the stone screen 2 along the length direction of the stone screen 2; the brush bristles 73 are tightly contacted with the stone screen 2, and the brush bristles 73 are driven by the push-assisting rod 72 to push fine sand adhered to the surface of the stone screen 2 to fall into the collecting tank 1; not only assisting the stones to slide out of the stone screen 2, but also pushing the fine sand adhered to the surface of the stone screen 2 into the collecting tank 1, thereby improving the recovery rate of the tailings.
The implementation principle of the above embodiment is as follows:
the concrete mixer truck pours the concrete tailings onto the stone screen 2, the tailings are screened by the stone screen 2, and stones in the tailings stay on the stone screen 2; fine sand and wastewater in the tailings pass through a stone screen 2 and fall into a collecting pool 1, the fine sand and the wastewater are screened by a screening and conveying device 3, the fine sand stays on the screening and conveying device 3 and is conveyed to a sand outlet 14 through the screening and conveying device 3 to be recycled in a centralized manner; the wastewater passes through the screening and conveying device 3 and then flows out of the collecting tank 1 along the water outlet holes 11 for centralized treatment;
after concrete tailings in the concrete mixer truck are completely dumped, the lifting motor 51 is started, when the lifting motor 51 drives the winding roller 53 to rotate in the forward direction, the rope 56 is contracted, so that the stone screen 2 is driven to rotate around the connecting shaft 21 in the direction away from the collecting tank 1, at the moment, the stone screen 2 is in an inclined state, and stones slide to the outside of the stone screen 2 by virtue of self gravity to be collected and recycled;
when residual tailings stay on the stone screen 2, the hydraulic cylinder 71 is started, the boosting rod 72 is driven by the hydraulic cylinder 71 to move along the length direction of the stone screen 2, and the boosting rod 72 pushes stones to slide out of the stone screen 2 along the length direction of the stone screen 2; the brush bristles 73 are tightly contacted with the stone screen 2, and the brush bristles 73 are driven by the push-assisting rod 72 to push fine sand adhered to the surface of the stone screen 2 to fall into the collecting tank 1; not only assisting the stones to slide out of the stone screen 2, but also pushing the fine sand adhered to the surface of the stone screen 2 into the collecting tank 1, thereby improving the recovery rate of the tailings.
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 mixer truck tails retrieves recycles device which characterized in that: comprises a collecting tank (1), wherein the collecting tank (1) is provided with a water outlet hole (11) and a sand outlet (14);
the top of the collecting tank (1) is provided with a stone screen (2) in parallel, the stone screen (2) is a rectangular box body with an opening at the top and one side along the length direction of the stone screen, the stone screen (2) is used for screening stones in concrete tailings, one end of the stone screen (2) in the length direction is hinged with the collecting tank (1), and the other end of the stone screen (2) in the length direction is lapped on the collecting tank (1);
a lifting device (5) is arranged at the top of the collecting tank (1), and the lifting device (5) drives the stone screen (2) to rotate around a hinged shaft;
the screening and conveying device (3) is arranged in the collecting tank (1), and the screening and conveying device (3) is used for screening and collecting fine sand in concrete tailings and conveying the fine sand to the sand outlet (14).
2. The concrete mixer truck tailing recycling device according to claim 1, characterized in that: the lifting device (5) comprises a lifting motor (51) and a winding roller (53), the lifting motor (51) and the winding roller (53) are both fixed at the top of the collecting tank (1), and the output end of the lifting motor (51) is coaxially and fixedly connected with the winding roller (53);
the lifting device (5) comprises a supporting frame (54), the supporting frame (54) is fixed to the top of the collecting tank (1), a fixed pulley (55) is connected to the supporting frame (54) in a rotating mode, the fixed pulley (55) is located above the winding roller (53), and the axial direction of the fixed pulley (55) is the same as that of the winding roller (53);
the lifting device (5) comprises a rope (56), one end of the rope (56) is wound and fixed on the winding roller (53), and the other end of the rope (56) is wound around the fixed pulley (55) and is fixedly connected with a lifting hook (61); the lifting hook (61) is clamped at one end, deviating from the hinged end, of the stone screen (2).
3. The concrete mixer truck tailing recycling device according to claim 1, characterized in that: one end of the stone sieve (2) deviating from the hinged end is provided with a boosting device (7), and the boosting device (7) is used for assisting the stones to slide out of the stone sieve (2).
4. The concrete mixer truck tailing recycling device according to claim 3, characterized in that: the boosting device (7) comprises a hydraulic cylinder (71) fixed at one end of the stone screen (2) away from the hinged end, and the axis of the output end of the hydraulic cylinder (71) is arranged along the length direction of the stone screen (2);
the output end of the hydraulic cylinder (71) is fixedly connected with an auxiliary push rod (72), and the auxiliary push rod (72) is arranged along the width direction of the stone screen (2);
the push-aid rod (72) is fixedly connected with bristles (73), and the bristles (73) are in close contact with the surface of the stone screen (2).
5. The concrete mixer truck tailing recycling device according to claim 1, characterized in that: the screening and conveying device (3) comprises a driving motor (33), and the driving motor (33) is fixed outside the collecting tank (1) and is positioned at the position of the sand outlet (14);
the screening and conveying device (3) further comprises a driving roller (32) which is coaxially and fixedly connected with the driving motor (33);
the screening and conveying device (3) further comprises a driven roller (35) fixed at the bottom of the collecting tank (1);
the driven roller (35) with establish between initiative roller (32) and be connected with conveyer (36), conveyer (36) pass sand outlet (14), conveyer (36) slope sets up, and conveyer (36) are located under stone sieve (2).
6. The concrete mixer truck tailing recycling device according to claim 1, characterized in that: and a stirring device (4) is arranged at the bottom of the collecting tank (1).
7. The concrete mixer truck tailing recycling device according to claim 6, characterized in that: agitating unit (4) are including being fixed in agitator motor (41) of collecting tank (1) bottom, coaxial fixedly connected with stirring vane (42) on agitator motor (41).
8. The concrete mixer truck tailing recycling device according to claim 1, characterized in that: the gravel sieve (2) and be provided with buffering pressure spring (13) between collecting pond (1), buffering pressure spring (13) are fixed in collecting pond (1) top, the one end that gravel sieve (2) deviates from its hinged end overlap joint in on buffering pressure spring (13).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120169889.1U CN214320803U (en) | 2021-01-21 | 2021-01-21 | Concrete mixer truck tails retrieves and recycles device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120169889.1U CN214320803U (en) | 2021-01-21 | 2021-01-21 | Concrete mixer truck tails retrieves and recycles device |
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| CN214320803U true CN214320803U (en) | 2021-10-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227923A (en) * | 2021-11-25 | 2022-03-25 | 南京天捷环保建材有限公司 | Concrete mixing retrieves integrative device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227923A (en) * | 2021-11-25 | 2022-03-25 | 南京天捷环保建材有限公司 | Concrete mixing retrieves integrative device |
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