CN113775499A - Concrete processing pumping equipment with built-in stone crushing structure - Google Patents
Concrete processing pumping equipment with built-in stone crushing structure Download PDFInfo
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- CN113775499A CN113775499A CN202110998805.XA CN202110998805A CN113775499A CN 113775499 A CN113775499 A CN 113775499A CN 202110998805 A CN202110998805 A CN 202110998805A CN 113775499 A CN113775499 A CN 113775499A
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- concrete
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
- F04B15/023—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous supply of fluid to the pump by gravity through a hopper, e.g. without intake valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses concrete processing pumping equipment with a built-in stone crushing structure, which is provided with a supporting seat, wherein a machine shell is fixed on the upper end surface of the supporting seat through a bolt; the fixed plate is fixed on the inner top surface of the supporting seat, the side surface of the supporting seat is provided with a motor through a bolt, and the end of the motor is connected with a movable shaft; the method comprises the following steps: the guide block is sleeved on the outer side of the movable shaft, and a movable rod movably penetrates through the casing on the side of the guide block; the guide shaft, its one end activity is set up in the inside of the said movable cylinder, connect with the valve block at the end of the said guide shaft; and the connecting channel is arranged among the 2 fixed pipes, and a fixed shaft is arranged in the other movable cylinder. This concrete processing pumping equipment of built-in stone crushing structure can smash its inside great stone that contains before concrete feeding, guarantees the smooth and easy nature of concrete pumping to need not to filter the concrete, can promote pumping efficiency.
Description
Technical Field
The invention relates to the technical field of concrete processing, in particular to concrete processing pumping equipment with a built-in stone crushing structure.
Background
Concrete need use conveyor after processing, send to appointed construction place, adopt pumping installations to the transport of concrete usually, and need guarantee the inside patency of device at the pumping process of concrete, for example, the novel concrete pumping device that publication number is CN213392540U, it passes through the setting of supporting structure to relate to concrete pumping device technical field …, in-process using can pass through the sliding support board, make the connecting rod strut the supporting leg, support the conveyer pipe, at concrete placement's in-process, need not to hand, thereby time-saving and labor-saving effect has been played. However, the novel concrete pumping device still has the following disadvantages in the actual use process:
1. after the concrete is processed, stones with different specifications are contained in the concrete, and after part of stones enter pumping equipment, the equipment is easy to block, a structure for crushing large stones is lacked, so that the smooth conveying of the concrete is influenced, and the repair of the blocking position is not convenient enough;
2. traditional concrete pumping equipment needs to use a filtering device to filter before conveying concrete, and because the fluidity of concrete is not very good, the conveying speed of the concrete can be reduced in the filtering process, and the concrete pumping efficiency is influenced.
In order to solve the problems, innovative design is urgently needed on the basis of the original concrete pumping equipment.
Disclosure of Invention
The invention aims to provide concrete processing pumping equipment with a built-in stone crushing structure, which aims to solve the problems that after part of stones enter the pumping equipment too much, the equipment is easy to block, a structure for crushing large stones is lacked, and the conveying speed of the concrete is reduced in the filtering process because the fluidity of the concrete is not good.
In order to achieve the purpose, the invention provides the following technical scheme: a concrete processing pumping device with a built-in stone crushing structure is provided with a supporting seat, wherein a machine shell is fixed on the upper end surface of the supporting seat through bolts, and a feeding hole is formed in the top of the machine shell;
the fixed plate is fixed on the inner top surface of the supporting seat, the side surface of the supporting seat is provided with a motor through a bolt, and the end of the motor is connected with a movable shaft;
the method comprises the following steps:
the guide block is sleeved on the outer side of the movable shaft, a movable rod movably penetrates through the casing on the side of the guide block, a protective box is fixed on the casing on the outer side of the guide block, and the movable shaft is connected with the movable barrel through a belt pulley mechanism;
the guide shaft is movably arranged in the movable cylinder, the end of the guide shaft is connected with a valve block, and a fixed pipe is fixed in a machine shell on the outer side of the valve block;
connecting channel sets up 2 between the fixed pipe, another the inside of activity section of thick bamboo is provided with the fixed axle, the top reservation of fixed pipe has the feed opening, and the end department of fixed pipe and the one end fixed connection of connecting pipe to the other end of connecting pipe is connected with the discharge gate.
Preferably, the cross section of the guide block is of a circular structure, the thickness of one side of the guide block is larger than that of the other side of the guide block, and the inclined surface of the guide block is attached to the movable rod, so that the movable rod can be pushed to slide in the shell when the guide block rotates.
Preferably, the movable rod and the casing are in sliding connection, a return spring is wound on one end of the movable rod, a connecting plate is welded on the other end of the movable rod, and the movable rod can drive the connecting plate to move synchronously when sliding horizontally.
Preferably, connecting plate and movable rod homogeneous phase are for fixed plate horizontal migration, and all are fixed with crushing piece on fixed plate and the connecting plate to crushing piece is for waiting angle setting, when the connecting plate is close to the fixed plate, can realize the crushing to great stone through 2 groups crushing piece.
Preferably, the guide shaft is provided with 2 thread grooves with the same thread pitch and opposite rotation directions, the guide shaft is in threaded connection with one of the movable cylinders, the other movable cylinder is in sliding connection with the fixed shaft, and the movable cylinder can drive the guide shaft to horizontally reciprocate when rotating.
Preferably, the inside of valve piece is run through there is the connecting rod, and the junction of valve piece inside and connecting rod pastes the antiskid circle that has the lift resistance to the one end that is close to the discharge gate of connecting rod is connected with the baffle that the control feed opening was opened and close, can drive the synchronous removal of baffle through the connecting rod when valve piece removes like this, realizes opening and close to the feed opening.
Preferably, connecting rod and valve piece are damping sliding connection, the interior top surface of fixed pipe is fixed with the stopper, and the 1/2 length of 2 intervals of stopper is less than the length of baffle to baffle and fixed pipe laminating slide, through the stopper to the spacing of baffle, can stop moving after the baffle removes a certain position, can not influence the continuation removal of valve piece again.
Preferably, 2 one end that the discharge gate was kept away from to the fixed pipe is passed through linking channel and is linked together each other, and the other end of 2 fixed pipes all is linked together with the connecting pipe to the connecting pipe is "Y" shape structure, so that the concrete in the different fixed pipes can the alternate input connecting pipe in.
Preferably, the inside of connecting pipe is provided with the fly leaf, and fly leaf and connecting pipe constitution rotating-structure to the length of fly leaf is greater than the internal diameter of connecting pipe, can drive the fly leaf and rotate when one of them connecting pipe carries the concrete, realizes the shutoff to another connecting pipe.
Compared with the prior art, the invention has the beneficial effects that: the concrete processing pumping equipment with the built-in stone crushing structure can crush larger stones contained in the concrete before the concrete is conveyed, ensures the smoothness of concrete pumping, does not need to filter the concrete, and can improve the pumping efficiency;
1. when the guide block is driven to rotate by the movable shaft, the movable rod can be pushed to slide in the machine shell so as to drive the connecting plate to approach the fixed plate, so that the crushing of large stones can be realized through the 2 groups of crushing blocks, the movement of the connecting plate can not influence the pouring of concrete, and the phenomenon of omission of the large stones can not occur, so that the phenomenon of unsmooth conveying caused by the blockage of equipment is avoided;
2. the movable cylinder can be driven to rotate through the transmission of the belt wheel mechanism, the valve blocks are driven to move in the fixed pipes through the guide shaft, when one valve block moves towards one direction, the other valve block can be driven to move towards the opposite direction, the concrete can be sucked into one fixed pipe, the concrete can be output from the other fixed pipe, when one end of the connecting pipe outputs the concrete, the movable plate can be driven to rotate, the other end of the connecting pipe can be plugged, and therefore 2 fixed pipes can convey the concrete alternately;
3. when the valve piece moves towards the one end of keeping away from the discharge gate, can drive the synchronous removal of baffle through the connecting rod, realize opening of feed opening, and the setting through left end stopper can restrict the continuation removal of baffle, the slip between valve piece and the connecting rod can not influence the continuation removal of valve piece, when the valve piece moves towards the one end that is close to the discharge gate, resistance through between valve piece and the connecting plate can drive the baffle and carry out the shutoff to the feed opening, spacing through right-hand member stopper can not influence the valve piece simultaneously and continue to carry the concrete.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1 according to the present invention;
FIG. 3 is a schematic front sectional view of the protective case of the present invention;
FIG. 4 is a schematic perspective view of a guide block according to the present invention;
FIG. 5 is a schematic view of a front cross-sectional view of a stationary tube according to the present invention;
FIG. 6 is a schematic cross-sectional view taken at a in FIG. 5 according to the present invention;
fig. 7 is a schematic structural view of the movable plate of the present invention after rotating.
In the figure: 1. a supporting seat; 2. a housing; 3. a feed inlet; 4. a fixing plate; 5. an electric motor; 6. a movable shaft; 7. a guide block; 8. a protective case; 9. a movable rod; 91. a return spring; 92. a connecting plate; 93. crushing the blocks; 10. a belt pulley mechanism; 11. a movable barrel; 12. a guide shaft; 13. a valve block; 131. a connecting rod; 132. an anti-slip ring; 133. a baffle plate; 14. a fixed tube; 141. a limiting block; 15. a connecting channel; 16. a fixed shaft; 17. a feeding port; 18. a connecting pipe; 181. a movable plate; 19. and (4) a discharge port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a concrete processing pumping device with a built-in stone crushing structure is provided with a supporting seat 1, a shell 2 is fixed on the upper end surface of the supporting seat 1 through bolts, and a feeding hole 3 is formed in the top of the shell 2;
the fixing plate 4 is fixed on the inner top surface of the supporting seat 1, the side surface of the supporting seat 1 is provided with a motor 5 through a bolt, and the end of the motor 5 is connected with a movable shaft 6;
the method comprises the following steps:
the guide block 7 is sleeved on the outer side of the movable shaft 6, a movable rod 9 movably penetrates through the casing 2 on the side of the guide block 7, a protective box 8 is fixed on the casing 2 on the outer side of the guide block 7, and the movable shaft 6 is connected with a movable cylinder 11 through a belt pulley mechanism 10;
a guide shaft 12, one end of which is movably arranged inside the movable cylinder 11, the end of the guide shaft 12 is connected with a valve block 13, and a fixed pipe 14 is fixed in the machine shell 2 outside the valve block 13;
the connecting channel 15 is arranged between the 2 fixed pipes 14, the fixed shaft 16 is arranged inside the other movable cylinder 11, the discharge port 17 is reserved at the top of each fixed pipe 14, the end of each fixed pipe 14 is fixedly connected with one end of the connecting pipe 18, and the other end of the connecting pipe 18 is connected with the discharge port 19.
The section of the guide block 7 is of a circular structure, the thickness of one side of the guide block 7 is larger than that of the other side of the guide block, and the inclined surface of the guide block 7 is attached to the movable rod 9; the movable rod 9 is connected with the machine shell 2 in a sliding manner, one end of the movable rod 9 is wound with a return spring 91, and the other end of the movable rod 9 is welded with a connecting plate 92; the connecting plate 92 and the movable rod 9 both move horizontally relative to the fixed plate 4, the fixed plate 4 and the connecting plate 92 are both fixed with crushing blocks 93, and the crushing blocks 93 are arranged at equal angles;
as shown in fig. 1 and 3-4, the motor 5 drives the guide block 7 to rotate through the movable shaft 6, the guide block 7 can drive the movable rod 9 to slide in the casing 2 when rotating, the reciprocating movement of the movable rod 9 is facilitated through the arrangement of the return spring 91, and after the movable rod 9 drives the connecting plate 92 to approach the fixed plate 4, the crushing of large stones in concrete can be realized through 2 groups of crushing blocks 93, so that the blockage of equipment is avoided, and the pumping smoothness can be improved;
the guide shaft 12 is provided with 2 thread grooves with the same thread pitch and opposite rotation directions, the guide shaft 12 is in threaded connection with one movable cylinder 11, and the other movable cylinder 11 is in sliding connection with the fixed shaft 16; a connecting rod 131 penetrates through the inside of the valve block 13, an anti-slip ring 132 for improving resistance is adhered to the joint of the inside of the valve block 13 and the connecting rod 131, and a baffle 133 for controlling the opening and closing of the feed opening 17 is connected to one end of the connecting rod 131 close to the discharge opening 19; the connecting rod 131 is connected with the valve block 13 in a damping sliding mode, the limiting block 141 is fixed to the inner top face of the fixing pipe 14, 1/2 of the distance between the 2 limiting blocks 141 is smaller than that of the baffle 133, and the baffle 133 and the fixing pipe 14 slide in a fitting mode;
as shown in fig. 1-2 and fig. 5-7, while the movable shaft 6 rotates, the movable cylinder 11 can be driven to rotate by the belt wheel mechanism 10, and then the guide shaft 12 drives the valve blocks 13 to reciprocate in the fixed pipe 14, when one of the valve blocks 13 moves to the end far away from the discharge port 19, the other valve block 13 can be driven to move to the end close to the discharge port 19, when the valve block 13 moves, the connecting rod 131 can be driven to move synchronously by the resistance of the anti-slip ring 132, and the baffle 133 is driven to move to open the discharge port 17, while the baffle 133 after moving is limited and stopped by the left limiting block 141, and the valve block 13 and the connecting rod 131 can slide without affecting the continuous movement of the valve block 13, so that the concrete in the machine case 2 is sucked into the fixed pipe 14 through the discharge port 17;
one ends of the 2 fixed tubes 14 far away from the discharge hole 19 are communicated with each other through a connecting channel 15, the other ends of the 2 fixed tubes 14 are communicated with a connecting tube 18, and the connecting tube 18 is of a Y-shaped structure; a movable plate 181 is arranged inside the connecting pipe 18, the movable plate 181 and the connecting pipe 18 form a rotating structure, and the length of the movable plate 181 is greater than the inner diameter of the connecting pipe 18;
as shown in fig. 5-7, when the valve block 13 moves to the end close to the discharge port 19, the baffle 133 can be driven to move synchronously by the resistance between the valve block 13 and the connecting rod 131 to block the discharge port 17, and then the position of the movable rear baffle 133 is fixed by the setting of the right-end limiting block 141, so that the valve block 13 continues to move to transport the concrete, and then the concrete enters the connecting pipe 18, when the concrete is transported at one end of the connecting pipe 18, the movable plate 181 can be driven to rotate to block the other end of the connecting pipe 18, so that the concrete can be transported out of the discharge port 19, and thus, the concrete can be transported by different fixed pipes 14 by the back-and-forth rotation of the movable plate 181.
The working principle is as follows: as shown in fig. 1-7, concrete to be pumped is firstly poured into the interior of the casing 2 from the feeding port 3, then the crushing of large stones can be realized through 2 groups of crushing blocks 93 which move relatively, the blockage of equipment is avoided, the smoothness of concrete conveying can be improved, then the alternate conveying of the concrete is realized through the movement of the valve block 13, and further the pumping efficiency is improved.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. A concrete processing pumping device with a built-in stone crushing structure is provided with a supporting seat, wherein a machine shell is fixed on the upper end surface of the supporting seat through bolts, and a feeding hole is formed in the top of the machine shell;
the fixed plate is fixed on the inner top surface of the supporting seat, the side surface of the supporting seat is provided with a motor through a bolt, and the end of the motor is connected with a movable shaft;
it is characterized by comprising:
the guide block is sleeved on the outer side of the movable shaft, a movable rod movably penetrates through the casing on the side of the guide block, a protective box is fixed on the casing on the outer side of the guide block, and the movable shaft is connected with the movable barrel through a belt pulley mechanism;
the guide shaft is movably arranged in the movable cylinder, the end of the guide shaft is connected with a valve block, and a fixed pipe is fixed in a machine shell on the outer side of the valve block;
connecting channel sets up 2 between the fixed pipe, another the inside of activity section of thick bamboo is provided with the fixed axle, the top reservation of fixed pipe has the feed opening, and the end department of fixed pipe and the one end fixed connection of connecting pipe to the other end of connecting pipe is connected with the discharge gate.
2. The concrete processing pumping equipment with built-in stone crushing structure as claimed in claim 1, wherein: the cross-section of the guide block is of a circular structure, the thickness of one side of the guide block is larger than that of the other side of the guide block, and the inclined surface of the guide block is attached to the movable rod.
3. The concrete processing pumping equipment with built-in stone crushing structure as claimed in claim 1, wherein: the movable rod and the shell are in sliding connection, one end of the movable rod is wound with a return spring, and the other end of the movable rod is welded with a connecting plate.
4. The concrete processing pumping equipment with built-in stone crushing structure as claimed in claim 3, wherein: the connecting plate and the movable rod move horizontally relative to the fixing plate, and the fixing plate and the connecting plate are both fixed with crushing blocks which are arranged at equal angles.
5. The concrete processing pumping equipment with built-in stone crushing structure as claimed in claim 1, wherein: the guiding shaft is provided with 2 thread grooves with the same thread pitch and opposite rotation directions, the guiding shaft is in threaded connection with one of the movable cylinders, and the other movable cylinder is in sliding connection with the fixed shaft.
6. The concrete processing pumping equipment with built-in stone crushing structure as claimed in claim 1, wherein: the inside of valve piece is run through there is the connecting rod, and the junction of valve piece inside and connecting rod pastes the antiskid circle that has the promotion resistance to the one end that is close to the discharge gate of connecting rod is connected with the baffle that the control feed opening opened and close.
7. The concrete processing pumping equipment with built-in stone crushing structure as claimed in claim 6, wherein: connecting rod and valve piece are damping sliding connection, the interior top surface of fixed pipe is fixed with the stopper, and 2 1/2 lengths of the interval of stopper are less than the length of baffle to the baffle slides with the laminating of fixed pipe.
8. The concrete processing pumping equipment with built-in stone crushing structure as claimed in claim 1, wherein: 2 the one end that the discharge gate was kept away from to fixed pipe is passed through linking channel and is linked together each other, and the other end of 2 fixed pipes all is linked together with the connecting pipe to the connecting pipe is "Y" shape structure.
9. The concrete processing pumping equipment with built-in stone crushing structure as claimed in claim 1, wherein: the inside of connecting pipe is provided with the fly leaf, and fly leaf and connecting pipe constitution rotating-structure to the length of fly leaf is greater than the internal diameter of connecting pipe.
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| CN202110998805.XA CN113775499B (en) | 2021-08-28 | 2021-08-28 | Concrete processing pumping equipment with built-in stone crushing structure |
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| CN202110998805.XA CN113775499B (en) | 2021-08-28 | 2021-08-28 | Concrete processing pumping equipment with built-in stone crushing structure |
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| JP3031307U (en) * | 1996-05-16 | 1996-11-22 | カオ・チン−イェン | Concrete pump car pump valve |
| CN102220969A (en) * | 2011-06-15 | 2011-10-19 | 长沙中联重工科技发展股份有限公司 | Concrete pumping method for preventing pipe blockage and relieving method for preventing pipe blockage |
| CN203114550U (en) * | 2013-02-07 | 2013-08-07 | 中国建筑科学研究院建筑机械化研究分院 | Pumping system of ball-valve-type piston pump |
| CN203640948U (en) * | 2013-12-04 | 2014-06-11 | 陕西科技大学 | Concrete pump truck pumping system |
| CN204656607U (en) * | 2015-05-21 | 2015-09-23 | 郑州大学 | The reciprocating jaw crusher of fired brick |
| CN205117643U (en) * | 2015-11-06 | 2016-03-30 | 佛冈锦华混凝土有限公司 | Modified has buffer function's concrete pump |
| CN107377060A (en) * | 2017-09-19 | 2017-11-24 | 芜湖铁路桥梁制造有限公司 | Discarded concrete disintegrating machine |
| CN108311191A (en) * | 2018-03-22 | 2018-07-24 | 冯瑞芳 | A kind of medical treatment paediatrics vial quick crashing device and application method |
| CN208153265U (en) * | 2018-04-28 | 2018-11-27 | 青海万拓环保节能建材有限公司 | The magnesial gelatinized foamed material volume gauger of piston type |
| CN208396879U (en) * | 2018-06-04 | 2019-01-18 | 广东齐力建筑科技有限公司 | A kind of lightweight concrete pumping machine |
| CN210815600U (en) * | 2019-09-25 | 2020-06-23 | 桐乡市亚都混凝土有限公司 | A crushing breaker for abandonment concrete |
| CN110665570A (en) * | 2019-11-18 | 2020-01-10 | 耒阳市鑫顺石材有限公司 | Stone material processing breaker |
| CN211099218U (en) * | 2019-11-29 | 2020-07-28 | 河南省建筑科学研究院有限公司 | Clay brick crushing and screening device |
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| CN113775499B (en) | 2023-04-14 |
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