CN200995449Y - Aggregate metering transfer system for CA mortar puddle mixer - Google Patents
Aggregate metering transfer system for CA mortar puddle mixer Download PDFInfo
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- CN200995449Y CN200995449Y CN 200720006012 CN200720006012U CN200995449Y CN 200995449 Y CN200995449 Y CN 200995449Y CN 200720006012 CN200720006012 CN 200720006012 CN 200720006012 U CN200720006012 U CN 200720006012U CN 200995449 Y CN200995449 Y CN 200995449Y
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- measuring chute
- screw mandrel
- pull
- drop
- feed pipe
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Abstract
An aggregate measuring and conveying system for CA mortar mixing vehicle includes a measuring warehouse, a spiral conveyor and a measuring device; a feeding pipe of the spiral conveyor is provided with a feeding spiral driven by a feeding motor. The utility model is characterized in that a feeding port of the feeding pipe is connected with a discharge port at the bottom of the measuring warehouse; the discharge port is flexibly connected with the feeding port of a mixing main machine; the measuring device includes a spiral conveyor and three pull-type sensors of the measuring warehouse which are balanced, suspended and integrated. Wherein, the upper and lower ends of a fixed lifting beam of which the upper end of one of the sensors is hanged above the anterior end of the feeding pipe are hanged at the anterior end of the feeding pipe; an adjustable protective screw is positioned between the hanger and the lifting beam; the other two pull type sensors are symmetrically hanged between both sides of the posterior part of the measuring warehouse and the fixed lifting beam; an adjustable protective screw is respectively positioned between the measuring warehouse and the lifting beam near each pull type sensor; an anti-sway device is positioned on both sides of the spiral conveyor and the measuring warehouse which are integrated together.
Description
Technical field
The utility model relates to the mortar aggregate transmission measurement system, particularly a kind of be used for vehicle-mounted used for high-speed railway CA mortar trucd mixer the aggregate transmission measurement system.
Background technology
The construction of no slag track plate hight speed special line for passenger trains, involve the problem of a no slag track plate grout blanket: when no slag track plate through the fine setting after, must be in the milk to hydraulic material supporting course and support plate and the slit of not having between the slag track plate bottom, so that guarantee the bearing value of track plate.The asphalt cement mortar of this perfusion usefulness is the element of a key in the plate-type slag-free orbit system based on its property.Because the particularity of asphalt cement mortar, do not allow in mixing plant, to produce and be transported to again on the building site after good, must utilize that vehicle-mounted mobile mixing plant is on-the-spot will to pour in the track plate after deployed immediately.Grout and mortar is a kind of special CA mortar, and the CA mortar is a kind ofly to mix a kind of elasticity roadbed material that other several macromolecular materials form by pitch, with one of other mortars obviously difference be dose accuracy is required high especially.The Main Ingredients and Appearance of grout and mortar aggregate must use natural sand or machine-processed sand, and strict to aggregate, aggregate measuring accuracy and stability directly have influence on the combination property of mortar product, and the aggregate transmission measurement system is that the CA mortar moves the very important measurement conveying equipment of mixing plant.The aggregate transmission measurement system works in the mobile trucd mixer; trucd mixer needs frequent moving; often occurring car body in moving jolts and rocks; and the interior energy of car all comes from vehicle body and carries engine; native system move with car or the course of work in all can occur vibrations; utilize existing metering device to be difficult to overcome the various interference that trucd mixer occurs in moving, can't precisely measure and the safety of protection equipment itself.The aggregate metering system that provides a kind of asphalt mortar, bituminous mortar trucd mixer to use can reach the accurate measurement aggregate at work, and guarantees to move the safety of equipment in the way itself, seems very necessary.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of CA mortar to move the aggregate transmission measurement system that trucd mixer is used, travel in the way to the influence of system measuring accuracy to have overcome trucd mixer, can reach the accurate measurement aggregate at work, and guarantee to move the safety of equipment in the way itself.
The purpose of this utility model is achieved through the following technical solutions:
CA mortar trucd mixer aggregate transmission measurement system, comprise measuring chute, conveying worm, metering device, dress be is characterized in that by the motor-driven feeding screw of feeding in the feed pipe of conveying worm: the charging aperture of feed pipe links to each other with the discharging opening of measuring chute bottom, the charging aperture of discharging opening and stirring host is flexible coupling; Described metering device comprises the unsettled conveying worm that links into an integrated entity and three the pull-type sensors of measuring chute hung of balance, wherein the upper end of a pull-type sensor be hung on feed pipe front end top fixedly drop in beam upper and lower end by suspension bracket suspention feed pipe front end, hang between suspension bracket and the drop in beam and be provided with adjustable protection screw mandrel; In addition two pull-type sensor symmetries are hung on the both sides, rear portion of measuring chute with fixedly between the drop in beam, hang respectively between near measuring chute that each pull-type sensor is and the drop in beam and are provided with adjustable protection screw mandrel; The both sides of described conveying worm that links into an integrated entity and measuring chute are provided with antiswing device.
Described feed pipe front end both sides correspondence is equipped with the bearing block of buried bearing; What described suspension bracket comprised equalizer bar and was hung at respectively that the equalizer bar two ends extend downward bearing block below and be positioned at the bearing block both sides hangs screw mandrel in pairs, is equiped with the connecting plate that is used for supporting shaft holder between the paired bottom of hanging screw mandrel; Described bearing block is bearing on the connecting plate by column pressure type Shock absorbing cushion.Be respectively equipped with the protection screw mandrel between middle part, the two ends of described equalizer bar and the drop in beam, the upper end of protection screw mandrel is locked in the drop in beam upper and lower end by nut and passes screw lock adjustable nut behind the equalizer bar.Adjust two protection screw mandrels during transportation simultaneously, screw the adjustment nut and make the sensor dress be in relaxed state, cause sensor failure in case jolt to rock; Should unscrew the adjustment nut during work weighing, unclamp the protection screw mandrel, in order to avoid influence measuring accuracy.
The rear wall top of described measuring chute is convexly equipped with the pedestal of lateral arrangement; Corresponding pull-type sensor upper end is hung to connect at the drop in beam upper and lower end and is hung screw mandrel, and two hang the screw mandrel lower end does not pass to revolve behind the pedestal and establish nut balance suspention measuring chute; The middle part of two screw mandrels is serially connected with damping, damping comprises that two ring sets are serially connected with the shock-absorbing base at screw mandrel middle part together, folder is established column pressure type Shock absorbing cushion between two bases, and Shock absorbing cushion is connected on the shock-absorbing base by bolt, and two bases become the sleeved structure of 90 degree; Hang on drop in beam the upper end of the protection screw mandrel between described measuring chute and the drop in beam, and its lower end activity is passed to revolve behind the pedestal and established nut and suspend measuring chute adjustably in midair.
Described antiswing device comprises that level respectively strains at the paired stay cord between feed pipe discharging opening head, measuring chute both sides and two side, compartment, and conveying worm and measuring chute swing take place and influence measuring accuracy when preventing to measure.
Single flange butterfly of the discharging opening installing pneumatic actuation of described feed pipe, butterfly valve is made up of aluminium alloy valve body and wear resistant cast iron butterfly plate, and overall sealing performance is good, and is furnished with a cover pneumatic actuating device, is convenient to control automatically the switch of butterfly valve valve.Valve open during the conveying worm feeding, material has sent the back automatic-closing valve, intercepted being communicated with of stirring host and conveying worm inside effectively, additive and steam enter in the conveying worm when preventing to stir, and the aggregate of having avoided steam to cause in conveyer condenses.
The utlity model has following advantage: the aggregate transmission measurement system works in the mobile trucd mixer, trucd mixer needs frequent moving, often occur car body in moving and jolt and rock, and the energy all comes from vehicle body and carries engine in the car, native system move with car or the course of work in vibrations all can appear; In order in moving the way, to protect equipment better; and reach accurate measurement aggregate in the work; native system is ad hoc anti-sway and shock absorbing device, and utilize 3 metering arrangements of three pull-type sensors, successfully overcome the influence of external interference to system's measuring accuracy.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is the schematic appearance that the CA mortar moves trucd mixer.
Fig. 2 is a structural representation of the present utility model.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the enlarged diagram of the preceding metering device among Fig. 3.
Fig. 5 be along A among Fig. 2 to schematic diagram (not shown conveying worm).
Fig. 6 is the vertical view of Fig. 2.
The specific embodiment
With reference to Fig. 1.The CA mortar moves trucd mixer, comprise breakdown trailer 10, tractor-trailer chassis 20 and compartment 30, supporting being useful on stirred 13 functional parts producing the CA mortar in the compartment 30: additive liquid storage metering system, water liquid storage metering system, emulsified asphalt liquid storage metering system, aggregate store induction system, aggregate transmission measurement system, container apparatus, hydraulic power levelling device, stirring host, finished product materials device, lifting device, generating set, air generation plants, control system; The complete technological requirement that satisfies production CA mortar fully of each component function.The aggregate transmission measurement system is a grouting CA mortar with the very important metering conveying equipment of mobile trucd mixer.Grout and mortar is a kind of special mortar, with one of other mortars obviously difference be dose accuracy is required high especially, aggregate measuring accuracy and stability directly have influence on the combination property of mortar product.Native system is exclusively used in the accurate measurement aggregate, adopts computer weighing device control metering, directly carries aggregate to carry out mortar to stirring host and stirs.
With reference to Fig. 2 to Fig. 5.CA mortar trucd mixer aggregate transmission measurement system comprises stirring host 1, measuring chute 2, conveying worm 3, metering device.Measuring chute 2 is used for temporary aggregate; Conveying worm 3 tilts to be installed between measuring chute 2 and the stirring host 1, the aggregate in the measuring chute 2 is conveyed in the stirring host 1 stirs; Metering device is used for the aggregate in the accurate weighing measuring chute 2, guarantees that at every turn the aggregate dosage of sending into stirring host 1 through conveying worm 3 all reaches CA mortar ratio requirement.
As Fig. 2, shown in Figure 6.Measuring chute 2 comprises the warehouse 21 that is used for ccontaining aggregate, loam cake 22 is packed in the warehouse upper end by bolt, and folder is established sealing strip between warehouse 21 and the loam cake 22, and warehouse 21 has ramped bottom surface, have discharging opening on the bottom surface, loam cake 22 is reserved with charging aperture 221 and dedusting ventilate mouth 222.Because of the particularity of CA mortar aggregate composition, be equiped with an electronic electromagnetic shaker 23 of external and six on measuring chute warehouse 21 sidewalls and help gas butterfly 24, become arch on the measuring chute inwall and cause the mortar grating inaccurate in case aggregate adheres to.As shown in Figure 2, gas butterfly 24 usefulness nuts 25 lock on the bulkhead, form a closed air chamber between butterfly sheet 241 and warehouse 21 bulkheads, air-flow enters air chamber from air inlet, when reaching certain air pressure, air-flow is gone out air chamber alluvium material from butterfly sheet 241 peripheries, and air-flow causes that butterfly sheet 241 trembles simultaneously, and then reaches brokenly arch action.Help gas butterfly 24 to be made by the high-wearing feature material, self-cleaning fully in the work, and noiselessness, installation and maintenance are easy and simple to handle, are exclusively used in the broken arch of powder or little grainy material.
With reference to Fig. 2.The feed pipe 31 of arranging feeding screw vertically is housed in conveying worm 3 comprises, feeding screw is by the drive motors 32 drive work (not shown feeding screw) that are packed in feed pipe 31 tail ends.The gradient of feed pipe 31 is identical with the gradient of measuring chute warehouse 21 bottom surfaces, fixedlys connected with the bottom of measuring chute 2 in the rear end of feed pipe 31, the corresponding charging aperture that is connected with the measuring chute discharging opening that has on the rear end tube wall of feed pipe 31; The front end of feed pipe 31 is provided with discharging opening, is flexible coupling by the pipe joint 34 with single flange butterfly 33 between the charging aperture of this discharging opening and stirring host.Single flange butterfly 33 is made up of aluminium alloy valve body and wear resistant cast iron butterfly plate, and overall sealing performance is good, and is furnished with a cover pneumatic actuating device, is convenient to control automatically the switch of butterfly valve valve.Valve open during conveying worm 3 feedings, material has sent the back automatic-closing valve, intercepted being communicated with of stirring host and conveying worm inside effectively, steam, additive when preventing to stir in the stirring host enter conveying worm 3 inside, have avoided steam to enter in the conveying worm 3 and cause that aggregate condenses.
With reference to Fig. 2 to Fig. 5.But metering device comprises balance and suspends the forward and backward metering device 4,5 of affixed all-in-one-piece measuring chute 2 and conveying worm 3 in midair.Below forward and backward metering device is described in detail
With reference to Fig. 2 to Fig. 4.Before metering device 4 comprise that bearing block 35, correspondence that symmetry is installed in two outsides, feed pipe 31 middle and upper parts be located at four rod hangers 41, the pull-type sensor 42 of feed pipe top; Four rod hangers 41 comprise that the middle part is suspended in equalizer bar 411 on the pull-type sensor 42 and symmetrical suspension in the paired suspension rod at equalizer bar 411 two ends, the every pair of suspension rod comprises that two screw mandrels 412, two of hanging that extend to bearing block 35 belows and be positioned at the bearing block both sides hang and be provided with the connecting plate 43 that can support respective shaft bearing 35 between the bottom of screw mandrel 412; Each bearing block 35 is bearing on the corresponding connecting plate 43 by column formula beam 44.The upper end of pull-type sensor 42 is connected and fixed on the drop in beam 45 of inner top in the compartment by oscillating bearing, U type connector, screw rod, nut respectively, equalizer bar 411 middle parts of four rod hangers 41 by nut, hang the lower end that screw mandrel, U type connector, oscillating bearing are suspended in pull-type sensor 42.Like this; conveying worm and aggregate weight can successfully absorb the vibrations that the car body action produces, the noise that has produced when having reduced machine operation fully by the carrying of column formula beam; overcome the influence of vibrations interference to system; make the system works performance more reliable and more stable, and protected equipment effectively, prolonged the service life of equipment; simultaneously; Shock absorbing cushion adopts the structure that removably connects, and changes conveniently if having to damage, and also has the long-term economic benefit.The used column pressure type of native system Shock absorbing cushion is made by the rubber material of suitable hardness, to satisfy the working strength requirement.Cause sensor failure for preventing that trucd mixer from jolting to rock when transporting; the corresponding protection screw mandrel 46 that is provided with between the drop in beam of middle part, the two ends of above-mentioned equalizer bar 411 and top is protected screw mandrel 46 upper ends to be suspended on drop in beam 45 upper and lower ends by nut and is passed to revolve behind the equalizer bar 411 and establish nut and suspend equalizer bar 411 adjustably in midair.Adjust two protection screw mandrels 46 during transportation simultaneously, make sensor 42 dresses be in relaxed state, cause that sensor 42 lost efficacy in case jolt to rock; During the work weighing, unclamp protection screw mandrel 46, in order to avoid influence measuring accuracy.
With reference to Fig. 2, Fig. 5.Back metering device 5: the warehouse 21 rear wall tops of measuring chute are convexly equipped with the pedestal 26 of lateral arrangement; The both sides of pedestal 26 are suspended on the drop in beam 52 that is fixed in the compartment inner top by pull-type sensor 51 respectively, the upper end of pull-type sensor 51 connects drop in beam 52 by oscillating bearing, U type connector, screw rod, nut, its lower end connects by oscillating bearing, U type connector hangs screw mandrel 53, hangs screw mandrel 53 lower end activities and passes to revolve behind the pedestal 26 and establish nut suspention measuring chute 2.The middle part of hanging screw mandrel 53 is serially connected with damping, damping comprises that two ring sets are serially connected with the shock-absorbing base 54,55 of hanging screw mandrel 53 middle parts together, folder is established column pressure type Shock absorbing cushion 56 between two bases 54,55, Shock absorbing cushion 56 connects the shock-absorbing base by bolt, two bases 54, the 55 one-tenth 90 sleeved structures of degree, it is pull-type changeing pressure type dexterously, it is stressed evenly to guarantee Shock absorbing cushion to increase shock-absorbing base joint face, to increase system works stability, prolong Shock absorbing cushion service life simultaneously.Utilize the weight of Shock absorbing cushion 56 supporting measuring chutes 2; can successfully absorb the vibrations that the car body action produces; the noise that has produced when having reduced machine operation; overcome the influence of vibrations interference to system; make the system works performance more reliable and more stable; and protected equipment effectively, prolonged the service life of equipment.
With reference to Fig. 2, Fig. 3, Fig. 5, Fig. 6.Antiswing device comprises that level respectively strains at the paired stay cord 61,62 between feed pipe 31 discharging opening heads, measuring chute 2 both sides and two side, compartment, and measuring chute 2 and conveying worm 3 swing take place and influence measuring accuracy when preventing to measure.The two ends of stay cord 61 strain between feed pipe 31 discharging opening heads and two side, compartment by the wire tensioner level respectively, and the swing of helical feed chain-drive section influences measuring accuracy when preventing to measure.Affixed one upwardly extending anti-rocker 63 on the sidewall of measuring chute 2, stay cord 62 two ends strain between anti-rocker 63 tops of measuring chute and the two side, compartment by the wire tensioner level respectively, in case measuring chute 2 takes place to swing and influences measuring accuracy during metering.Anti-rocker 63 adopts the parallel connected mode of broad thin plate, specially strengthens stay cord direction stiffness, the spacing swing arm of lengthening tension.By adjusting stay cord, not only limited effectively and connected the conveying worm of one and the swing of measuring chute, and can adjust and make the measuring chute upper surface be in level as far as possible, and then guaranteed the native system metering accurately, serviceability is reliable and stable.During use, must adjust simultaneously on the pull-type sensor and hang screw mandrel, guarantee during adjustment that stay cord must not bear vertical component, in order to avoid the influence metering.
With reference to Fig. 2, Fig. 3, Fig. 6.The rear end lower of above-mentioned feed pipe 31 is connected with auxiliary leg 7, and the bottom four direction of auxiliary leg 7 is equipped with four adjustable wire tensioner pull bars 71, and the other end snap close of every pull bar 71 is in joining drought on the holder on the compartment inner bottom surface 72.The anti-swing arm that is mainly used to extend of auxiliary leg 7 is swung with restriction system by adjusting the tension wire tensioner.Note regulating simultaneously the screw mandrel of hanging of pull-type sensor during adjustment, to guarantee that four-pull-rod only is subjected to horizontal force and does not have influence on measuring accuracy herein.Auxiliary leg 7 is in conjunction with above-mentioned paired stay cord 61,62 1 same-actions, prevents the measuring chute 2 that links into an integrated entity and the swing of conveying worm 3, guarantees the native system metering accurately, and serviceability is reliable and stable.
The measuring chute and the conveying worm that connect one hang under the pull-type sensor, and its gravity directly acts on pull-type sensor.It is quite important to this equipment that the installation of pull-type sensor reliably reaches reasonability, guarantees during installation that this device as far as possible vertically, reduces horizontal component to greatest extent, and then guarantee that metering accurately.Adjust simultaneously during transportation and respectively protect screw mandrel, make the sensor dress be in relaxed state, cause sensor failure in case jolt to rock; During the work weighing, unclamp the protection screw mandrel, in order to avoid influence measuring accuracy.The upper and lower two U type connectors of pull-type sensor should become 90 ° of installations; and between the upper and lower two U type connectors establishment copper conductor must be installed; the pull-type sensor of short circuit when unexpected or improper operation has high electric current causes pull-type sensor failure in case high electric current punctures, and protects the safety of pull-type sensor.
Claims (6)
1, CA mortar trucd mixer aggregate transmission measurement system, comprise measuring chute, conveying worm, metering device, dress be is characterized in that by the motor-driven feeding screw of feeding in the feed pipe of conveying worm: the charging aperture of feed pipe links to each other with the discharging opening of measuring chute bottom, the charging aperture of discharging opening and stirring host is flexible coupling; Described metering device comprises the unsettled conveying worm that links into an integrated entity and three the pull-type sensors of measuring chute hung of balance, wherein the upper end of a pull-type sensor be hung on feed pipe front end top fixedly drop in beam upper and lower end by suspension bracket suspention feed pipe front end, hang between suspension bracket and the drop in beam and be provided with adjustable protection screw mandrel; In addition two pull-type sensor symmetries are hung on the both sides, rear portion of measuring chute with fixedly between the drop in beam, hang respectively between near measuring chute that each pull-type sensor is and the drop in beam and are provided with adjustable protection screw mandrel; The both sides of described conveying worm that links into an integrated entity and measuring chute are provided with antiswing device.
2, aggregate transmission measurement system according to claim 1 is characterized in that: described feed pipe front end both sides correspondence is equipped with the bearing block of buried bearing; What described suspension bracket comprised equalizer bar and was hung at respectively that the equalizer bar two ends extend downward bearing block below and be positioned at the bearing block both sides hangs screw mandrel in pairs, is equiped with the connecting plate that is used for supporting shaft holder between the paired bottom of hanging screw mandrel; Described bearing block is bearing on the connecting plate by column pressure type Shock absorbing cushion; Be respectively equipped with described protection screw mandrel between middle part, the two ends of described equalizer bar and the drop in beam, the upper end of protection screw mandrel is locked in the drop in beam upper and lower end by nut and passes screw lock adjustable nut behind the equalizer bar.
3, aggregate transmission measurement system according to claim 1, it is characterized in that: the rear wall top of described measuring chute is convexly equipped with the pedestal of lateral arrangement; Corresponding pull-type sensor upper end is hung to connect at the drop in beam upper and lower end and is hung screw mandrel, and two hang the screw mandrel lower end does not pass to revolve behind the pedestal and establish nut balance suspention measuring chute; The middle part of every rhizoid bar is serially connected with damping respectively, damping comprises that two ring sets are serially connected with the shock-absorbing base at screw mandrel middle part together, folder is established column pressure type Shock absorbing cushion between two bases, and Shock absorbing cushion is connected on the shock-absorbing base by bolt, and two bases become the sleeved structure of 90 degree; Hang on drop in beam the upper end of the protection screw mandrel between described measuring chute and the drop in beam, and its lower end activity is passed to revolve behind the pedestal and established nut and suspend measuring chute adjustably in midair.
4, aggregate transmission measurement system according to claim 1 is characterized in that: described antiswing device comprises that level respectively strains at the paired stay cord between feed pipe discharging opening head, measuring chute both sides and two side, compartment.
5, according to claim 1 or 4 described aggregate transmission measurement systems, it is characterized in that: the rear end lower of described feed pipe is connected with auxiliary leg, the bottom four direction of auxiliary leg is equipped with four adjustable wire tensioner pull bars, and the other end snap close of every pull bar is in joining drought on the holder on the compartment inner bottom surface.
6, aggregate transmission measurement system according to claim 1 is characterized in that: single flange butterfly of the discharging opening installing pneumatic actuation of described feed pipe, butterfly valve is made up of aluminium alloy valve body and wear resistant cast iron butterfly plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720006012 CN200995449Y (en) | 2007-01-05 | 2007-01-05 | Aggregate metering transfer system for CA mortar puddle mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720006012 CN200995449Y (en) | 2007-01-05 | 2007-01-05 | Aggregate metering transfer system for CA mortar puddle mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200995449Y true CN200995449Y (en) | 2007-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720006012 Expired - Lifetime CN200995449Y (en) | 2007-01-05 | 2007-01-05 | Aggregate metering transfer system for CA mortar puddle mixer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011079588A1 (en) * | 2009-12-29 | 2011-07-07 | 湖南三一智能控制设备有限公司 | Asphalt storing system for mortar vehicle and mortar vehicle therewith |
| CN102642251A (en) * | 2012-05-17 | 2012-08-22 | 山东新大通石油环保科技股份有限公司 | Sand filling, preventing and mixing device for oil well |
| CN103612332A (en) * | 2013-12-11 | 2014-03-05 | 三一汽车制造有限公司 | Stirring device |
| CN104609212A (en) * | 2014-12-08 | 2015-05-13 | 徐州徐工筑路机械有限公司 | Powder residual amount monitoring method and device |
| CN104863157A (en) * | 2015-05-26 | 2015-08-26 | 三川德青工程机械有限公司 | Distorted concrete grouting system and grouting method |
| CN107747996A (en) * | 2017-09-22 | 2018-03-02 | 徐州徐工铁路装备有限公司 | Mixing plant powder weighing balance |
-
2007
- 2007-01-05 CN CN 200720006012 patent/CN200995449Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011079588A1 (en) * | 2009-12-29 | 2011-07-07 | 湖南三一智能控制设备有限公司 | Asphalt storing system for mortar vehicle and mortar vehicle therewith |
| CN102642251A (en) * | 2012-05-17 | 2012-08-22 | 山东新大通石油环保科技股份有限公司 | Sand filling, preventing and mixing device for oil well |
| CN103612332A (en) * | 2013-12-11 | 2014-03-05 | 三一汽车制造有限公司 | Stirring device |
| CN104609212A (en) * | 2014-12-08 | 2015-05-13 | 徐州徐工筑路机械有限公司 | Powder residual amount monitoring method and device |
| CN104863157A (en) * | 2015-05-26 | 2015-08-26 | 三川德青工程机械有限公司 | Distorted concrete grouting system and grouting method |
| CN104863157B (en) * | 2015-05-26 | 2017-06-20 | 三川德青工程机械有限公司 | Abnormal concrete filling system and grouting method |
| CN107747996A (en) * | 2017-09-22 | 2018-03-02 | 徐州徐工铁路装备有限公司 | Mixing plant powder weighing balance |
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