CN205539010U - A maintain device and material pneumatic conveying system fast for material pneumatic conveying - Google Patents
A maintain device and material pneumatic conveying system fast for material pneumatic conveying Download PDFInfo
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- CN205539010U CN205539010U CN201620085265.0U CN201620085265U CN205539010U CN 205539010 U CN205539010 U CN 205539010U CN 201620085265 U CN201620085265 U CN 201620085265U CN 205539010 U CN205539010 U CN 205539010U
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- transmission pipeline
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Abstract
The utility model discloses a material pneumatic conveying's the quick device of maintaining, including the matched with operational monitoring unit with hold back maintenance unit, the transport state who is used for treating in the real -time supervision pneumatic conveying pipeline transported substance on the pneumatic conveying pipeline is located to the operational monitoring unit, holds back maintenance unit and is connected with pneumatic conveying operational monitoring 1, holds back to be equipped with on the maintenance unit and treats that transported substance holds back the subassembly, treats that transported substance holds back the subassembly and will carry according to the real -time supervision information of operational monitoring unit and unusual treat that transported substance holds back and sentence and maintain the operation holding back maintenance unit. The utility model also discloses a material pneumatic tube system. The utility model has the advantages of can real -time supervision pneumatic conveying treat in the pipeline transported substance the transport condition, and in time acquire and treat transported substance unusually, make and maintain that maintenance work is quick in time, economy is high -efficient.
Description
Technical field
The utility model is mainly concerned with the gathering and processing apparatus field of material sample, is specifically related to a kind of Fast-Maintenance device for material pneumatic conveying and material pneumatic conveyer system.
Background technology
For material (such as ore, the coal) sampling of sample, sample preparation, chemical examination work, every country all has pressure standard, it is necessary to the chemical industry of gathering and processing carrying out sample in accordance with standard is made.The sampling of sample, sample preparation, the criterion of the chemical examination course of work are on the premise of not destroying sample representativeness, the sample granularity collected is gradually reduced, quality also gradually reduces, until meeting laboratory assay to the granularity of sample and quality (weight) required precision, the assay then satisfactory sample being correlated with.
Turning to example as gathered and processed with the sample of coal, the process of a kind of sampling analysis, coal samling and the purpose of sample preparation, be to represent and be sampled the experiment coal sample of coal by the gross to obtain its experimental result.Coal is a kind of uneven material (granularity, mass property distribution etc.), it is sampled the quality the biggest (tens tons Dao several ten thousand tons) of coal, from being sampled coal the process taking representative part of coal " sampling ", there are the various ways methods such as mechanical sampling, artificial sample, half mechanical sampling at present.After adopting sample by standard, next process is " sample preparation ", and sample making course typically has broken, mixing, division, the process such as is dried.Sample is i.e. carried out next step sample and " is chemically examined " after making, be analyzed sample.Whether " sample ", " sample preparation " or " chemical examination ", can not have the loss of sample during this, it is impossible to enough make sample occur some physically or chemically to change, otherwise final result of the test will be impacted.
In material (such as ore, the coal) sampling of sample, sample preparation, chemical examination work, need to transport the sample gathered and processed from the station (laboratory) of this link to be delivered to the station (laboratory) of next link to carry out next stage work.During the transhipment of sample carries this, the precision control of quality of sample, transhipment transporting velocity, usefulness are particularly important.In the transhipment transportation work of existing sample, part uses the mode of Pneumatic pipe conveying, but there is techniques below problem:
(1) ruuning situation of material to be transported in prior art can not monitor transmission pipeline in real time, when a material to be transported clamping stagnation is in transmission pipeline, transmission system or operating personnel can not in time, quickly find material to be transported clamping stagnation situation, cause maintenance work delayed.This has had a strong impact on the normal conveying of sample and carrying out of follow-up work.In even resulting in transmission pipeline time serious, continuous clamping stagnation overstocks multiple material to be transported.
(2) due to pneumatic transmission pipeline the longest (being likely to be breached hundreds of meters), pipeline the least (people cannot be introduced into), so once there is material to be transported clamping stagnation in transmission pipeline, it is the most difficult that operating personnel to obtain concrete clamping stagnation position.This is further such that clamping stagnation dredging work is the most difficult, and the maintenance work cycle is long, and maintenance cost is high.
(3) in prior art, when finding that material to be transported clamping stagnation is in transmission pipeline, how by the way of reversely sending a material to be transported and clamping stagnation material to be transported reverse push is sent back to transmission position, to solve clamping stagnation problem, when running into the remote situation of fed distance and occurring, exist counter push away unable, needs are caused to take out clamping stagnation material to be transported by the way of being dismantled by force by transmission pipeline, cutting, this mode one is so that the maintenance work cycle is long, and two is the economy of maintainability and the operation having a strong impact on transmission pipeline.
Utility model content
The utility model is solved the technical problem that to be: the problem existed for prior art, it is provided that a kind of conveying situation that can monitor material to be transported in pneumatic transmission pipeline in real time and obtain in time abnormal material to be transported, make maintenance work quickly in time, the Fast-Maintenance device for material pneumatic conveying of economical and efficient and material pneumatic conveyer system.
For solve above-mentioned technical problem, the utility model by the following technical solutions:
A kind of Fast-Maintenance device for material pneumatic conveying, including the operational monitoring unit matched and retain maintenance unit, described operational monitoring unit is located in pneumatic transmission pipeline the feed status of material to be transported in monitoring pneumatic transmission pipeline in real time, the described maintenance unit that retains is tightly connected with pneumatic transmission pipeline, the described maintenance unit that retains is provided with material to be transported and retains assembly, and described material to be transported retains the assembly real-time monitoring information according to operational monitoring unit and is trapped in by the material to be transported that conveying is abnormal and retains maintenance unit and sentence and carry out upkeep operation.
As further improvement of the utility model, the described maintenance unit that retains includes retaining and safeguards case body, described retaining safeguards that case body is tightly connected with pneumatic transmission pipeline, described material to be transported retains assembly and is located at and retains that safeguard case this is the most internal, described in retain and safeguard that case body is provided with sampling gate and takes out to carry out upkeep operation for the material to be transported that will retain.
As further improvement of the utility model, safeguard that the pipeline diapire of the pneumatic transmission pipeline at case body is provided with retain mouth in described retaining, described material to be transported retain assembly include retaining actuator and with retain that mouth matches retain plate, the described plate that retains is movably set in and retains at mouth, described in retain actuator and drive and retain plate and retain mouth so that material to be transported falls to retain and safeguards case this is the most internal from retaining mouth for opening.
As further improvement of the utility model, described in retain plate hinged with pneumatic transmission pipeline, described in retain plate and downwardly turn over to open under the driving retaining actuator and retain mouth.
As further improvement of the utility model, described in retain actuator and include and retain the elevating screw assembly that plate is connected, described elevating screw Component driver retains plate oscilaltion and retains mouth to beat opening/closing.
As further improvement of the utility model, described operational monitoring unit includes that sensor cluster is monitored in thing position, and described thing position monitoring sensor cluster is arranged in pneumatic transmission pipeline the translational speed of material to be transported in monitoring pipeline.
As further improvement of the utility model, described operational monitoring unit includes the pressure monitoring sensor assembly for monitoring pneumatic transmission pipeline internal gas pressure, and described pressure monitoring sensor assembly is arranged in the source of the gas delivery end of pneumatic transmission pipeline.
A kind of material pneumatic conveyer system, including the pneumatic transmission pipeline for transmitting material to be transported, described pneumatic transmission pipeline is provided with the more than one Fast-Maintenance device for material pneumatic conveying.
As further improvement of the utility model, described pneumatic transmission pipeline is provided with plural Fast-Maintenance device, when described operational monitoring unit monitor material to be transported exist conveying abnormal time, be in described material to be transported front end first and retain maintenance unit and carry out and retain operation.
Compared with prior art, the utility model has the advantage of:
(1) the Fast-Maintenance device for material pneumatic conveying of the present utility model, one is so that pneumatic transmission system can in real time, quickly find the material to be transported of operation exception, in advance the material to be transported being likely to occur clamping stagnation is carried out maintenance process, the situation as far as possible avoiding material to be transported clamping stagnation occurs, to ensure the normal conveying of sample and carrying out of follow-up work.Two is that the material to be transported of operation exception is trapped within and retains at maintenance unit so that staff can be quickly obtained the accurate location of this material to be transported, in order to is rapidly performed by upkeep operation, improves operating efficiency, also reduces difficulty and the cost of maintenance work.
(2) the Fast-Maintenance device for material pneumatic conveying of the present utility model, staff can be quickly obtained this material to be transported, material to be transported is occurred that abnormal reason is analyzed and processes, safeguard with the exception to material to be transported or pneumatic transmission pipeline or the existence of other aspects of pneumatic transmission system, further increase operating efficiency, also reduce further difficulty and the cost of maintenance work.
(3) material pneumatic conveyer system of the present utility model, it is possible to monitor material to be transported conveying that may be present abnormal conditions rapidly.Meanwhile, it is capable to retain to carry out upkeep operation by this material to be transported in the way of the fastest within the shortest time.Upkeep operation is made to ensure that the most timely, economical and efficient.
Accompanying drawing explanation
Fig. 1 is that Fast-Maintenance device of the present utility model applies the structural principle schematic diagram in material pneumatic conveyer system.
Fig. 2 is the Facad structure principle schematic that the utility model retains when mouth is closed in specific embodiment 1.
Fig. 3 is the Facad structure principle schematic two that the utility model retains when mouth is in open mode in specific embodiment 1.
Fig. 4 is the side structure principle schematic that the utility model retains when mouth is in open mode in specific embodiment 1.
Fig. 5 is the Facad structure principle schematic that the utility model retains when mouth is closed in specific embodiment 2.
Fig. 6 is the Facad structure principle schematic two that the utility model retains when mouth is in open mode in specific embodiment 2.
Marginal data:
1, material to be transported；2, pneumatic transmission pipeline；21, mouth is retained；3, maintenance unit is retained；31, material to be transported retains assembly；311, actuator is retained；312, plate is retained；32, retain and safeguard case body；321, sampling gate；4, operational monitoring unit.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the utility model is described in further detail.
nullAs shown in Figures 1 to 6，The utility model provides a kind of Fast-Maintenance device for material pneumatic conveying，Including the operational monitoring unit 4 matched with retain maintenance unit 3，Operational monitoring unit 4 is located in pneumatic transmission pipeline 2 in real time monitoring pneumatic transmission pipeline 2 feed status of material to be transported 1 (in following description，Illustrate for ease of correspondence，Material to be transported 1 is exemplified as sample bottle，Certainly，In other embodiments，Material to be transported 1 can also be other device to be conveyed or objects，All should belong to protection domain of the present utility model)，Retain maintenance unit 3 to be tightly connected with pneumatic transmission pipeline 2，Retain maintenance unit 3 to be provided with material to be transported and retain assembly 31，Material to be transported retains assembly 31 and is trapped in by the material to be transported 1 that conveying is abnormal according to the real-time monitoring information of operational monitoring unit 4 and retains maintenance unit 3 and sentence and carry out upkeep operation.
When material to be transported 1 pneumatic conveying in pneumatic transmission pipeline 2, the ruuning situation of the monitoring material to be transported 1 that operational monitoring unit 4 is the most real-time.Once there are abnormal conditions in material to be transported 1, as the speed of service is slack-off, then means that material to be transported 1 transmission has some setbacks, may be blocked in pneumatic transmission pipeline 2 by clamping stagnation.Now, monitoring information is transferred to retain maintenance unit 3 by operational monitoring unit 4 in time, retains maintenance unit 3 and starts material to be transported according to monitoring information in time and retain assembly 31 and work.It is tightly connected with pneumatic transmission pipeline 2 owing to retaining maintenance unit 3, so retaining the airtight requirement that can't affect pneumatic transmission pipeline 2 when maintenance unit 3 works so that pneumatic conveyer system can normally work.Material to be transported retains after assembly 31 starts, and is trapped in retains at maintenance unit 3 by there is abnormal material to be transported 1, in order to staff can carry out upkeep operation to material to be transported 1 at maintenance unit 3 retaining timely.By the most special scientific design, one is so that pneumatic transmission system can in real time, quickly find the material to be transported 1 of operation exception, in advance the material to be transported 1 being likely to occur clamping stagnation is carried out maintenance process, the situation as far as possible avoiding material to be transported 1 clamping stagnation occurs, to ensure the normal conveying of sample and carrying out of follow-up work.Two is that the material to be transported 1 of operation exception is trapped within and retains at maintenance unit 3, make staff can be quickly obtained the accurate location of this material to be transported 1, upkeep operation can be rapidly performed by, improve operating efficiency, also reduce difficulty and the cost of maintenance work.
As shown in Figures 2 to 6, further, in the preferred embodiment, retain maintenance unit 3 to include retaining and safeguard case body 32, retain and safeguard that case body 32 is tightly connected with pneumatic transmission pipeline 2, material to be transported retains in assembly 31 is located at and retains and safeguard case body 32, retains and safeguards that case body 32 is provided with sampling gate 321 for taking out to carry out upkeep operation by the material to be transported retained 1.By such setting, make staff can open sampling gate 321, it is quickly obtained this material to be transported 1, material to be transported 1 is occurred that abnormal reason is analyzed and processes, safeguard with the exception to material to be transported 1 or pneumatic transmission pipeline 2 or the existence of other aspects of pneumatic transmission system, improve operating efficiency, also reduce difficulty and the cost of maintenance work.Certainly, in other embodiments, retain and safeguard sampling gate 321 on case body 32, can also be not provided with, such as, be respectively provided with sealing flange assembly on the two ends safeguarding case body 32 by retaining, retain and safeguard that case body 32 is tightly connected by sealing flange assembly and pneumatic transmission pipeline 2.When needs take out material to be transported 1, open the sealing flange assembly at two ends, will retain and safeguard that case body 32 entirety is all taken off, retain material to be transported 1 taking-up safeguarding in case body 32 carry out upkeep operation by being in the most again.
Further, in the preferred embodiment, it is provided with retains mouth 21 in retaining the pipeline diapire safeguarding the pneumatic transmission pipeline 2 at case body 32, material to be transported retain assembly 31 include retaining actuator 311 and with retain that mouth 21 matches retain plate 312, retain plate 312 to be movably set in and retain at mouth 21, retain actuator 311 and drive and retain plate 312 and retain mouth 21 so that material to be transported 1 is from retaining in mouth 21 falls to retain and safeguard case body 32 for opening.When operational monitoring unit 4 does not monitors abnormal conditions, retain plate 312 and will retain mouth 21 and get lodged in, in order to material to be transported 1 is from retaining at mouth 21 quickly through carrying out pneumatic transfer.And there are abnormal conditions once monitor material to be transported 1 and need to retain, retaining actuator 311 drives and retains plate 312 and open and retain mouth 21 so that wait that the material to be transported 1 passed through is from retaining in mouth 21 falls to retain and safeguard case body 32.Certainly, in other embodiments, can also be not provided with retaining mouth 21 on the pipeline diapire of pneumatic transmission pipeline 2, material to be transported retains assembly 31 it can also be provided that other forms, such as: material to be transported is retained assembly 31 and is set to a telescopic thimble part, when needs retain, thimble part stretches out in pneumatic transmission pipeline 2, retains waiting that the material to be transported 1 passed through stops.When need not retain, thimble part indentation and keep clear in making pneumatic transmission pipeline 2.Below protection domain of the present utility model should all be belonged to.
The utility model further provides following two specific embodiments.It should be noted that, below it is only part preferred embodiment, under the technology of said structure and embodiment inspires, the utility model can also be set to other form by those of ordinary skill in the art, plate 312 is retained such as be set to sliding opening type, or plate 312 will be retained and be directly disposed as slide rail type etc., and not only limit following specific constructive form.
Specific embodiment 1: as shown in Figures 2 to 4, in the present embodiment, retains plate 312 hinged with pneumatic transmission pipeline 2, retains plate 312 and downwardly turns over to open under the driving retaining actuator 311 and retain mouth 21.When operational monitoring unit 4 does not monitors abnormal conditions, retain plate 312 and will retain mouth 21 under the driving retaining actuator 311 and get lodged in, in order to material to be transported 1 is from retaining at mouth 21 quickly through carrying out pneumatic transfer.And there are abnormal conditions once monitor material to be transported 1 and need to retain, retaining actuator 311 drives and retains plate 312 and downwardly turn over and be opened so that retaining mouth 21 so that wait that the material to be transported 1 passed through is from retaining in mouth 21 falls to retain and safeguard case body 32.
Specific embodiment 2: as shown in Figure 5, Figure 6, in the present embodiment, retains actuator 311 and includes and retain the elevating screw assembly that plate 312 is connected, and elevating screw Component driver retains plate 312 oscilaltion and retains mouth 21 to beat opening/closing.Elevating screw assembly can be arranged directly on the lower section retaining plate 312, it is also possible to is arranged on the both sides, top retaining plate 312 as depicted.
As shown in Figures 1 to 6, further, in the preferred embodiment, operational monitoring unit 4 includes that sensor cluster is monitored in thing position, and thing position monitoring sensor cluster is arranged in pneumatic transmission pipeline 2 translational speed of material to be transported 1 in monitoring pipeline.Thing position monitoring sensor cluster includes that sensor is monitored in plural thing position, there is a certain distance a between plural thing position monitoring sensor.When plural thing position monitoring Sensor monitoring to by the material to be transported 1 of distance a by the time more than normal Preset Time time, it is meant that the transporting velocity of this material to be transported 1 is slower than normal transporting velocity, then judge that this material to be transported 1 exists and carry extremely.
As shown in Figures 1 to 6, further, in the preferred embodiment, operational monitoring unit 4 includes the pressure monitoring sensor assembly for monitoring pneumatic transmission pipeline 2 internal gas pressure, and pressure monitoring sensor assembly is arranged in the source of the gas delivery end of pneumatic transmission pipeline 2.When the atmospheric pressure value in pressure monitoring sensor assemblies monitor to the transmission pipeline of source of the gas delivery end is more than the atmospheric pressure value of regular budget, mean that source of the gas delivery end needs to provide the air pressure bigger than time normal that material to be transported 1 could be driven to move, then judge that this material to be transported 1 exists conveying abnormal.
The operational monitoring unit 4 of both the above type can be with individualism, it is also possible to be arranged on together in same pneumatic transmission system, to improve usefulness and the precision of monitoring.
As shown in Figures 1 to 6, the utility model also provides for a kind of material pneumatic conveyer system with Fast-Maintenance function, including the pneumatic transmission pipeline 2 for transmitting material to be transported 1, pneumatic transmission pipeline 2 is provided with the Fast-Maintenance device for material pneumatic conveying that more than one is above-mentioned.
Further, in the preferred embodiment, pneumatic transmission pipeline 2 is provided with plural Fast-Maintenance device, when operational monitoring unit 4 monitor material to be transported 1 exist conveying abnormal time, be in material to be transported 1 front end first and retain maintenance unit 3 and carry out and retain operation.By arranging plural Fast-Maintenance device so that system can monitor material to be transported 1 conveying that may be present abnormal conditions more rapidly.Meanwhile, once there is exception, apart from this material to be transported 1 nearest and be in this material to be transported 1 front end first retain maintenance unit 3, it is possible to retain to carry out upkeep operation by this material to be transported 1 in the way of the fastest within the shortest time.Upkeep operation is made to ensure that the most timely, economical and efficient by such setting.
Below being only preferred embodiment of the present utility model, protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under the utility model principle premise, should be regarded as protection domain of the present utility model.
Claims (9)
1. the Fast-Maintenance device for material pneumatic conveying, it is characterized in that, including the operational monitoring unit (4) matched with retain maintenance unit (3), described operational monitoring unit (4) is located at the upper feed status being used for monitoring pneumatic transmission pipeline (2) interior material to be transported (1) in real time of pneumatic transmission pipeline (2), the described maintenance unit (3) that retains is tightly connected with pneumatic transmission pipeline (2), the described maintenance unit (3) that retains is provided with material to be transported and retains assembly (31), described material to be transported retains assembly (31) and is trapped in by the material to be transported (1) that conveying is abnormal according to the real-time monitoring information of operational monitoring unit (4) and retains maintenance unit (3) and sentence and carry out upkeep operation.
Fast-Maintenance device for material pneumatic conveying the most according to claim 1, it is characterized in that, the described maintenance unit (3) that retains includes retaining and safeguards case body (32), described retaining safeguards that case body (32) is tightly connected with pneumatic transmission pipeline (2), described material to be transported retains in assembly (31) is located at and retains and safeguard case body (32), described in retain and safeguard that case body (32) is provided with sampling gate (321) and takes out to carry out upkeep operation for the material to be transported (1) that will retain.
Fast-Maintenance device for material pneumatic conveying the most according to claim 2, it is characterized in that, pipeline diapire in the described pneumatic transmission pipeline (2) retaining and safeguarding case body (32) place is provided with and retains mouth (21), described material to be transported retain assembly (31) include retaining actuator (311) and with retain that mouth (21) matches retain plate (312), the described plate (312) that retains is movably set in and retains mouth (21) place, the described actuator (311) that retains drives and retains plate (312) and be used for opening and retain mouth (21) so that material to be transported (1) is from retaining in mouth (21) falls to retain and safeguard case body (32).
Fast-Maintenance device for material pneumatic conveying the most according to claim 3, it is characterized in that, the described plate (312) that retains is hinged with pneumatic transmission pipeline (2), described in retain plate (312) and downwardly turn over to open under the driving retaining actuator (311) and retain mouth (21).
Fast-Maintenance device for material pneumatic conveying the most according to claim 3, it is characterized in that, the described actuator (311) that retains includes and retains the elevating screw assembly that plate (312) is connected, and described elevating screw Component driver retains plate (312) oscilaltion and retains mouth (21) to beat opening/closing.
Fast-Maintenance device for material pneumatic conveying the most as claimed in any of claims 1 to 5, it is characterized in that, described operational monitoring unit (4) includes that sensor cluster is monitored in thing position, and described thing position monitoring sensor cluster is arranged in pneumatic transmission pipeline (2) and is used for monitoring the translational speed of material to be transported (1) in pipeline.
Fast-Maintenance device for material pneumatic conveying the most as claimed in any of claims 1 to 5, it is characterized in that, described operational monitoring unit (4) includes the pressure monitoring sensor assembly for monitoring pneumatic transmission pipeline (2) internal gas pressure, and described pressure monitoring sensor assembly is arranged in the source of the gas delivery end of pneumatic transmission pipeline (2).
8. a material pneumatic conveyer system, including the pneumatic transmission pipeline (2) for transmitting material to be transported (1), it is characterized in that, described pneumatic transmission pipeline (2) is provided with more than one as claimed in any of claims 1 to 7 in one of claims for the Fast-Maintenance device of material pneumatic conveying.
Material pneumatic conveyer system the most according to claim 8, it is characterized in that, described pneumatic transmission pipeline (2) is provided with plural Fast-Maintenance device, when described operational monitoring unit (4) monitor material to be transported (1) exist conveying abnormal time, be in described material to be transported (1) front end first and retain maintenance unit (3) and carry out and retain operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620085265.0U CN205539010U (en) | 2016-01-28 | 2016-01-28 | A maintain device and material pneumatic conveying system fast for material pneumatic conveying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620085265.0U CN205539010U (en) | 2016-01-28 | 2016-01-28 | A maintain device and material pneumatic conveying system fast for material pneumatic conveying |
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| Publication Number | Publication Date |
|---|---|
| CN205539010U true CN205539010U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620085265.0U Withdrawn - After Issue CN205539010U (en) | 2016-01-28 | 2016-01-28 | A maintain device and material pneumatic conveying system fast for material pneumatic conveying |
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| Country | Link |
|---|---|
| CN (1) | CN205539010U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548591A (en) * | 2016-01-28 | 2016-05-04 | 湖南三德科技股份有限公司 | Rapid maintenance device for pneumatic conveying of material and material pneumatic conveying system |
-
2016
- 2016-01-28 CN CN201620085265.0U patent/CN205539010U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548591A (en) * | 2016-01-28 | 2016-05-04 | 湖南三德科技股份有限公司 | Rapid maintenance device for pneumatic conveying of material and material pneumatic conveying system |
| CN105548591B (en) * | 2016-01-28 | 2018-08-07 | 湖南三德科技股份有限公司 | Fast-Maintenance device and material pneumatic conveyer system for material pneumatic conveying |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20160831 Effective date of abandoning: 20180807 |
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| AV01 | Patent right actively abandoned |