CN110181672B - High-pressure concrete stamping and feeding device - Google Patents
High-pressure concrete stamping and feeding device Download PDFInfo
- Publication number
- CN110181672B CN110181672B CN201910406286.6A CN201910406286A CN110181672B CN 110181672 B CN110181672 B CN 110181672B CN 201910406286 A CN201910406286 A CN 201910406286A CN 110181672 B CN110181672 B CN 110181672B
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- stamping
- box
- feeding
- pipe
- mixing tank
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- 238000002156 mixing Methods 0.000 claims abstract description 39
- 238000003756 stirring Methods 0.000 claims abstract description 39
- 230000001050 lubricating effect Effects 0.000 claims abstract description 18
- 238000004080 punching Methods 0.000 claims abstract description 17
- 239000003921 oil Substances 0.000 claims description 45
- 239000010687 lubricating oil Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 10
- 239000000203 mixture Substances 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 13
- 238000005461 lubrication Methods 0.000 description 13
- 230000002349 favourable effect Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- MFOUDYKPLGXPGO-UHFFFAOYSA-N propachlor Chemical compound ClCC(=O)N(C(C)C)C1=CC=CC=C1 MFOUDYKPLGXPGO-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a high-pressure concrete stamping and feeding device which comprises a machine base, a stamping device, a feeding box and a pre-stirring device, wherein the stamping device comprises a stamping box, a mixing tank, a lubricating box, an oil pressure box, a first stamping pipe, a second stamping pipe, a stamping rod, a stamping piston and a stamping disc, the pre-stirring device comprises a feeding hopper, a stirring motor, a stirring shaft and a rotary cutter, the feeding device comprises a reciprocating motor, a telescopic push rod, a feeding pipeline and a pushing plug, the stamping piston is arranged at one end, close to the oil pressure box, of the stamping rod, the other end of the stamping rod is connected with the stamping disc positioned in the mixing tank, the feeding pipeline is communicated with the bottom of the feeding hopper, one end, far away from the reciprocating motor, of the feeding pipeline is communicated with the middle of the mixing tank, and a pointed spur is arranged on the inner wall of the mixing tank. The invention can effectively mix the concrete by punching the concrete and eliminate air bubbles in the concrete, thereby improving the bearing capacity of the loose soil body.
Description
Technical Field
The invention relates to the technical field of high-pressure concrete pressing, in particular to a high-pressure concrete stamping and feeding device.
Background
The concrete pump is used for pressing concrete into the soil body for reinforcement in the traditional late-stage reinforcement of old buildings or loose soil bodies, but the existing concrete pump is easy to block in the long-term working state, insufficient in pressure caused by lack of lubrication of lubricating oil, difficult to eliminate caking and bubbles in the concrete in normal working, easy to cause secondary sinking or collapse after construction and very unsafe.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The invention aims to provide a high-pressure concrete stamping and feeding device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a high-pressure concrete stamping and feeding device comprises a machine base, a stamping device, a feeding box and a pre-stirring device, wherein the stamping device comprises a stamping box, a mixing tank, a lubricating box, an oil pressure box, a first stamping pipe, a second stamping pipe, a stamping rod, a stamping piston and a stamping disc, the oil pressure box is fixed at the top of the stamping box, one side of the oil pressure box is communicated with an oil supply pipe, the two ends of the first stamping pipe are communicated and fixed with the top of the lubricating box and the bottom of the oil pressure box, the two ends of the second stamping pipe are communicated and fixed with the top of the mixing tank and the bottom of the lubricating box, the two ends of the stamping rod are respectively introduced into the first stamping pipe and the second stamping pipe, the stamping rod is provided with the stamping piston at one end close to the oil pressure box, the other end of the stamping rod is connected and positioned on the stamping disc inside the mixing tank, the pre-stirring device comprises a feeding hopper, a stirring motor and a stirring shaft, the feeding hopper is fixed at the top of the feeding box and is led into the feeding box, the stirring motor is fixed at one side of the feeding box, the output end of the stirring motor is connected with the stirring shaft, one end of the stirring shaft, which is far away from the stirring motor, is led into the feeding hopper and is provided with a rotary cutter, the feeding device is provided with the inside of the feeding box and is positioned at the bottom of the feeding hopper, the feeding device comprises a reciprocating motor, a telescopic push rod, a feeding pipeline and a push plug, the reciprocating motor is fixed on the inner wall of one side of the feeding box, the output end of the reciprocating motor is connected with the telescopic push rod, one end of the telescopic push rod, which is far away from the reciprocating motor, is provided with the push plug, the telescopic push rod and the push plug are both positioned inside the feeding pipeline, and the feeding, one end of the feeding pipeline, which is far away from the reciprocating motor, is communicated with the middle part of the mixing tank, and the inner wall of the mixing tank is provided with uniformly distributed sharp stabs.
Further, the trompil groove has all been seted up to lubricated case's both sides, first punching press pipe and second punching press pipe are close to lubricated case's one end is all fixed in the trompil inslot, the both ends of ram rod pass respectively the trompil groove at lubricated case both ends, lubricated case's inside is equipped with lubricated grease chamber, the indoor lubricating oil that is equipped with of lubricating oil, the outer lane edge-fixing in trompil groove has the elastic rubber cover, the elastic rubber cover with the outer lane elastic connection of punching press pipe, one side of lubricated grease chamber is equipped with the oil supplementing mouth.
Furthermore, the top of the stamping box is provided with a protective cover to cover the oil pressure boxes and the lubricating boxes, the number of the oil pressure boxes is 2, and the oil pressure boxes are communicated through a communicating pipe.
Further, the feeding pipeline is provided with a feeding valve and a flow meter.
Furthermore, the bottom of the stamping box is provided with a connecting lug, and the connecting lug is fixedly connected with the machine base through a screw.
Further, the bottom of blending tank is connected the Y type discharging pipe in the blending tank outside, the top of frame is fixed with the tripod, the top welding of tripod has the lantern ring, Y type discharging pipe with the lantern ring cup joints.
Furthermore, the bottom of the machine base is provided with a plurality of embedded nails.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the high-pressure concrete stamping and feeding device provided by the invention, the concrete is pressurized by the stamping device, the pressurized concrete is mixed and rotated in the mixing tank by the mixing tank, and bubbles and caking in the concrete are fully destroyed under the action of the sharp spurs on the inner wall of the mixing tank, so that the high-pressure concrete stamping and feeding device has an obvious reinforcing effect on a soil body which is compacted to be looser, the problem that the concrete and the soil body still collapse and sink after being mixed is avoided, the problem of later reinforcing of an old building is solved, and the problem that the upper part of the loose soil body is broken into a stratum building is solved.
(2) According to the high-pressure concrete stamping and feeding device, the pre-stirring device and the feeding device are arranged, so that the feeding speed is increased, the working efficiency is improved, and the problem that a pipeline is blocked in the traditional stirring and feeding mode is solved.
(3) According to the high-pressure concrete stamping and feeding device, the lubricating box is arranged, so that the piston and the stamping pipe wall are automatically lubricated, the pressure supply capacity of the oil pressure box is improved, and sufficient pressure for sufficiently mixing concrete is further ensured.
(4) According to the high-pressure concrete stamping and feeding device, the machine base and the embedded nails at the bottom of the machine base are arranged, so that the working firmness of the device is guaranteed, and the service life of the device is prolonged.
(5) According to the high-pressure concrete stamping feeding device, the Y-shaped discharging pipe is sleeved by the lantern ring, so that the problem that the Y-shaped discharging pipe is bent during discharging is avoided, and smooth discharging without blockage is guaranteed by the Y-shaped pipe.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a high-pressure concrete stamping and feeding device according to an embodiment of the invention;
FIG. 2 is a schematic view of a lubrication box and a ram pipe connection structure of a high-pressure concrete ram feeding device according to an embodiment of the invention;
fig. 3 is a schematic structural view of a feed box of a high-pressure concrete stamping and feeding device according to an embodiment of the invention;
fig. 4 is a schematic structural diagram of a mixing tank of the high-pressure concrete ram feeding device according to the embodiment of the invention.
Reference numerals:
1. a machine base; 2. punching a box; 3. a feeding device; 4. a pre-agitation device; 5. a stamping device; 6. a mixing tank; 7. a lubrication box; 8. a feeding tank; 9. a hopper; 10. a stirring motor; 11. a stirring shaft; 12. rotating a cutter; 13. a reciprocating motor; 14. a telescopic push rod; 15. pushing and blocking; 16. a feed line; 17. a feed valve; 18. a flow meter; 19. an oil pressure tank; 20. a communicating pipe; 21. a protective cover; 22. an oil supply pipe; 23. a stamping rod; 24. stamping a piston; 25. a lubricating oil chamber; 26. opening a hole groove; 27. a first ram tube; 28. an oil supply nozzle; 29. an elastic rubber sleeve; 30. connecting lugs; 31. a screw; 32. a tripod; 33. a collar; 34. a Y-shaped discharge pipe; 35. a sharp bur; 36. punching a disc; 37. a second ram tube; 38. and (6) embedding nails in advance.
Detailed Description
The invention is further described with reference to the following drawings and detailed description:
referring to fig. 1-4, a high-pressure concrete stamping and feeding device according to an embodiment of the present invention includes a machine base 1, a stamping device 5, a feeding device 3, a feeding tank 8, and a pre-stirring device 4, where the stamping device 5 includes a stamping tank 2, a mixing tank 6, a lubricating tank 7, an oil pressure tank 19, a first stamping pipe 27, a second stamping pipe 37, a stamping rod 23, a stamping piston 24, and a stamping disc 36, the oil pressure tank 19 is fixed on the top of the stamping tank 2, one side of the oil pressure tank 19 is communicated with the oil supply pipe 22, two ends of the first stamping pipe 27 are communicated and fixed with the top of the lubricating tank 7 and the bottom of the oil pressure tank 19, two ends of the second stamping pipe 37 are communicated and fixed with the top of the mixing tank 6 and the bottom of the lubricating tank 7, two ends of the stamping rod 23 are respectively introduced into the first stamping pipe 27 and the second stamping pipe 37, one end of the punching rod 23 close to the oil pressure tank 19 is provided with a punching piston 24, the other end of the punching rod 23 is connected with a punching disc 36 positioned inside the mixing tank 6, the pre-stirring device 4 comprises a feeding hopper 9, a stirring motor 10 and a stirring shaft 11, the feeding hopper 9 is fixed at the top of the feeding tank 8 and is introduced into the feeding tank 8, the stirring motor 10 is fixed at one side of the feeding tank 8, the output end of the stirring motor 10 is connected with the stirring shaft 11, one end of the stirring shaft 11 far away from the stirring motor 10 is introduced into the feeding hopper 9 and is provided with a rotary cutter 12, the feeding device 3 is arranged inside the feeding tank 8 and is positioned at the bottom of the feeding hopper 9, the feeding device 3 comprises a reciprocating motor 13, a telescopic push rod 14, a feeding pipeline 16 and a pushing plug 15, the reciprocating motor 13 is fixed on the inner wall of one side of the feeding tank 8, the output end of the reciprocating motor 13 is connected with the telescopic push rod 14, one end of the telescopic push rod 14, which is far away from the reciprocating motor 13, is provided with a push plug 15, the telescopic push rod 14 and the push plug 15 are both positioned inside the feeding pipeline 16, the feeding pipeline 16 is communicated with the bottom of the feeding hopper 9, one end of the feeding pipeline 16, which is far away from the reciprocating motor 13, is communicated with the middle part of the mixing tank 6, and the inner wall of the mixing tank 6 is provided with uniformly distributed sharp-shaped spurs 35.
Through the above scheme of the present invention, both sides of the lubrication box 7 are provided with the opening grooves 26, one end of the first stamping pipe 27 and one end of the second stamping pipe 37 close to the lubrication box 7 are fixed in the opening grooves 26, both ends of the stamping rod 23 respectively penetrate through the opening grooves 26 at both ends of the lubrication box 7, a lubrication oil chamber 25 is arranged inside the lubrication box 7, lubrication oil is arranged in the lubrication oil chamber 25, the inner walls of the stamping piston 24 and the first stamping pipe 27 and the second stamping pipe 37 are automatically lubricated by the arrangement of the lubrication oil chamber 25, the pressure supply capability of the oil pressure box 19 is improved, sufficient pressure for concrete is further ensured to be sufficiently mixed, the elastic rubber sleeve 29 is fixed at the outer ring edge of the opening groove 26, the elastic rubber sleeve 29 is elastically connected with the outer ring of the stamping pipe, one side of the lubrication oil chamber 25 is provided with the oil supplement nozzle 28, the top of punching press case 2 is equipped with protection casing 21 will oil pressure case 19 and lubricated case 7 cover, the quantity of oil pressure case 19 is 2 just communicate through communicating pipe 20 between the oil pressure case 19, pipeline 16 is equipped with feed valve 17 and flow meter 18 and is convenient for control the supply volume of concrete, the bottom of punching press case 2 is equipped with engaging lug 30, engaging lug 30 through screw 31 with frame 1 fixed connection, the bottom of blending tank 6 is connected to the Y type discharging pipe 34 in the blending tank 6 outside, the top of frame 1 is fixed with tripod 32, the top welding of tripod 32 has lantern ring 33, Y type discharging pipe 34 with lantern ring 33 cup joints, cup joints Y type discharging pipe 34 through setting up lantern ring 33 and is favorable to avoiding the problem that Y type discharging pipe 34 buckles when the ejection of compact, the bottom of frame 1 is equipped with the pre-buried nail 38 of a plurality of being favorable to guaranteeing the fastness of device work, the service life of the device is prolonged.
In specific application, the oil supply pipe 22 and the oil pressure pump are connected into a loop, after concrete raw materials are added from the feeding hopper 9, the top of the feeding hopper 9 is covered with a cover plate, the stirring motor 10 is started, the concrete is primarily stirred by the stirring motor 10, after the feeding valve 17 is started, the reciprocating motor 13 and the oil pressure pump are started, the reciprocating motor 13 drives the telescopic push rod 14 and the push plug 15 to do reciprocating motion, the oil pressure pump drives the stamping piston 24 to move, the stamping rod 23 drives the stamping disc 36 to move, the concrete in the feeding hopper 9 falls into the feeding pipeline 16, when the reciprocating motor 13 drives the push plug 15 to push forwards, the concrete is sent into the mixing tank 6, the stamping disc 36 moves upwards, the concrete rotates and is fully mixed in the mixing tank 6 under the action of the suction force of the stamping disc 36, internal caking and air bubbles are eliminated under the action of the sharp-shaped spurs 35, then the stamping disc 36 presses downwards, the reciprocating motor 13 drives the push plug 15 to retract, and further concrete is continuously and fully mixed, after the concrete is mixed, the mixed concrete is sent into the mixing tank 6 through the pushing plug 15, the feeding valve 17 is closed, and the stamping disc 36 is pressed downwards to send the concrete out from the Y-shaped discharging pipe 34 to pour the loose soil body needing to be reinforced.
In conclusion, the beneficial effects of the invention are as follows: according to the high-pressure concrete stamping and feeding device, the stamping device is arranged to pressurize concrete, the pressurized concrete is enabled to rotate in the mixing tank in a mixing manner by the mixing tank, bubbles and caking in the concrete are fully destroyed under the action of the pointed spurs on the inner wall of the mixing tank, a remarkable reinforcing effect is achieved on a soil body which is compacted loosely, and the problem that the concrete and the soil body still collapse and sink after being mixed is avoided; the pre-stirring device and the feeding device are arranged, so that the feeding speed is increased, the working efficiency is improved, and the problem that the pipeline is blocked by the traditional stirring feeding mode is solved; the lubricating box is arranged to realize automatic lubrication of the piston and the stamping pipe wall, the pressure supply capacity of the oil pressure box is improved, and sufficient pressure supply and sufficient mixing of concrete are further ensured; the machine base and the embedded nails at the bottom of the machine base are arranged, so that the working firmness of the device is guaranteed, and the service life of the device is prolonged; the problem of Y type discharging pipe buckling when the ejection of compact is favorable to avoiding is cup jointed to Y type discharging pipe through setting up the lantern ring, and smooth unblock of ejection of compact is guaranteed to Y type pipe, can control the supply volume of concrete, solves the reinforced difficult problem in old building later stage and has solved loose soil body upper portion and has done the stratum building problem.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The high-pressure concrete stamping and feeding device is characterized by comprising a machine base (1), a stamping device (5), a feeding device (3), a feeding box (8) and a pre-stirring device (4), wherein the stamping device (5) comprises a stamping box (2), a mixing tank (6), a lubricating box (7), an oil pressure box (19), a first stamping pipe (27), a second stamping pipe (37), a stamping rod (23), a stamping piston (24) and a stamping disc (36), the oil pressure box (19) is fixed at the top of the stamping box (2), one side of the oil pressure box (19) is communicated with an oil supply pipe (22), two ends of the first stamping pipe (27) are communicated and fixed with the top of the lubricating box (7) and the bottom of the oil pressure box (19), two ends of the second stamping pipe (37) are communicated and fixed with the top of the mixing tank (6) and the bottom of the lubricating box (7), the two ends of the stamping rod (23) are respectively led into the first stamping pipe (27) and the second stamping pipe (37), one end of the stamping rod (23) close to the oil pressure box (19) is provided with a stamping piston (24), the other end of the stamping rod (23) is connected with a stamping disc (36) positioned inside the mixing tank (6), the pre-stirring device (4) comprises a feeding hopper (9), a stirring motor (10) and a stirring shaft (11), the feeding hopper (9) is fixed at the top of the feeding box (8) and led into the feeding box (8), the stirring motor (10) is fixed on one side of the feeding box (8), the output end of the stirring motor (10) is connected with the stirring shaft (11), one end of the stirring shaft (11) far away from the stirring motor (10) is led into the feeding hopper (9) and is provided with a rotary cutter (12), the feeding device (3) is arranged in the feeding box (8) and is positioned at the bottom of the feeding hopper (9), the feeding device (3) comprises a reciprocating motor (13), a telescopic push rod (14), a feeding pipeline (16) and a pushing plug (15), the reciprocating motor (13) is fixed on the inner wall of one side of the feeding box (8), the output end of the reciprocating motor (13) is connected with the telescopic push rod (14), a push plug (15) is arranged at one end of the telescopic push rod (14) far away from the reciprocating motor (13), the telescopic push rod (14) and the push plug (15) are both positioned in the feeding pipeline (16), the feeding pipeline (16) is communicated with the bottom of the charging hopper (9), one end of the feeding pipeline (16) far away from the reciprocating motor (13) is communicated with the middle part of the mixing tank (6), the inner wall of the mixing tank (6) is provided with uniformly distributed sharp stabs (35);
both sides of the lubricating box (7) are provided with hole-opening grooves (26), one ends, close to the lubricating box (7), of the first punching pipe (27) and the second punching pipe (37) are fixed in the hole-opening grooves (26), both ends of the punching rod (23) penetrate through the hole-opening grooves (26) at both ends of the lubricating box (7), a lubricating oil chamber (25) is arranged inside the lubricating box (7), lubricating oil is arranged in the lubricating oil chamber (25), an elastic rubber sleeve (29) is fixed at the edge of the outer ring of the hole-opening groove (26), the elastic rubber sleeve (29) is elastically connected with the outer ring of the punching pipe, and an oil supplementing nozzle (28) is arranged at one side of the lubricating oil chamber (25);
the top of the punching box (2) is provided with a protective cover (21) which covers the oil pressure boxes (19) and the lubricating boxes (7), the number of the oil pressure boxes (19) is 2, and the oil pressure boxes (19) are communicated through communicating pipes (20).
2. A high-pressure concrete ram feed device according to claim 1, characterised in that the feed pipe (16) is provided with a feed valve (17) and a flow meter (18).
3. The high-pressure concrete stamping and feeding device as claimed in claim 1, wherein the bottom of the stamping box (2) is provided with a connecting lug (30), and the connecting lug (30) is fixedly connected with the machine base (1) through a screw (31).
4. The high-pressure concrete stamping and feeding device as claimed in claim 1, wherein the bottom of the mixing tank (6) is connected with a Y-shaped discharge pipe (34) communicated to the outer side of the mixing tank (6), a tripod (32) is fixed on the top of the machine base (1), a lantern ring (33) is welded on the top of the tripod (32), and the Y-shaped discharge pipe (34) is sleeved with the lantern ring (33).
5. The high-pressure concrete stamping and feeding device as claimed in claim 1, wherein a plurality of embedded nails (38) are arranged at the bottom of the machine base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910406286.6A CN110181672B (en) | 2019-05-15 | 2019-05-15 | High-pressure concrete stamping and feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910406286.6A CN110181672B (en) | 2019-05-15 | 2019-05-15 | High-pressure concrete stamping and feeding device |
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| Publication Number | Publication Date |
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| CN110181672A CN110181672A (en) | 2019-08-30 |
| CN110181672B true CN110181672B (en) | 2021-04-16 |
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| CN201910406286.6A Active CN110181672B (en) | 2019-05-15 | 2019-05-15 | High-pressure concrete stamping and feeding device |
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| CN113107207B (en) * | 2021-03-05 | 2022-05-27 | 中国建筑第二工程局有限公司 | Concrete pouring rifle head for building |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3759492A (en) * | 1971-10-28 | 1973-09-18 | Cart Concrete Systems Inc U | Concrete mixing system |
| EP2042730A2 (en) * | 2007-09-28 | 2009-04-01 | Revelin Evaristo & Figli SNC | Improved delivery compensation unit. |
| CN108060672A (en) * | 2017-12-14 | 2018-05-22 | 中交第二公路勘察设计研究院有限公司 | A kind of pumping bentonitic method and device of particle |
| CN207509485U (en) * | 2017-11-01 | 2018-06-19 | 中国水电基础局有限公司 | A kind of miniature movable type concrete feeding device |
| CN108214912A (en) * | 2018-01-23 | 2018-06-29 | 深圳市晟腾企业管理有限公司 | A kind of automatic control type cement stirring device |
| CN108262857A (en) * | 2018-03-19 | 2018-07-10 | 成都知睿科技有限公司 | A kind of construction concrete mixer |
-
2019
- 2019-05-15 CN CN201910406286.6A patent/CN110181672B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3759492A (en) * | 1971-10-28 | 1973-09-18 | Cart Concrete Systems Inc U | Concrete mixing system |
| EP2042730A2 (en) * | 2007-09-28 | 2009-04-01 | Revelin Evaristo & Figli SNC | Improved delivery compensation unit. |
| CN207509485U (en) * | 2017-11-01 | 2018-06-19 | 中国水电基础局有限公司 | A kind of miniature movable type concrete feeding device |
| CN108060672A (en) * | 2017-12-14 | 2018-05-22 | 中交第二公路勘察设计研究院有限公司 | A kind of pumping bentonitic method and device of particle |
| CN108214912A (en) * | 2018-01-23 | 2018-06-29 | 深圳市晟腾企业管理有限公司 | A kind of automatic control type cement stirring device |
| CN108262857A (en) * | 2018-03-19 | 2018-07-10 | 成都知睿科技有限公司 | A kind of construction concrete mixer |
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| CN110181672A (en) | 2019-08-30 |
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Effective date of registration: 20240611 Address after: Room 402, Block C, Paris Station Front Community, Yingze District, Taiyuan City, Shanxi Province, 030000 Patentee after: Kaiyi Correction Engineering (Shanxi) Co.,Ltd. Country or region after: China Address before: No. 121, Tongzheng village, Huangtu Town, Xi county, Linfen City, Shanxi Province 041300 Patentee before: Jia Guoping Country or region before: China |