CN202063066U - Concrete pump truck and swinging base thereof - Google Patents
Concrete pump truck and swinging base thereof Download PDFInfo
- Publication number
- CN202063066U CN202063066U CN2011200915765U CN201120091576U CN202063066U CN 202063066 U CN202063066 U CN 202063066U CN 2011200915765 U CN2011200915765 U CN 2011200915765U CN 201120091576 U CN201120091576 U CN 201120091576U CN 202063066 U CN202063066 U CN 202063066U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- concrete pump
- pump truck
- rotary table
- hydraulic reservoir
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model discloses a swinging base of a concrete pump truck, which comprises a hydraulic oil tank which is communicated with a hydraulic system of the concrete pump truck. The hydraulic oil tank is an independent tank body which is connected onto the side wall of a supporting leg tank (18) of the swinging base. Since the hydraulic oil tank in the swinging base is designed to be an independent tank body structure, the hydraulic oil tank can be separately manufactured, pickling and phosphorization treatment can be conducted before the hydraulic oil tank is connected onto the swinging base, the hydraulic oil tank can be installed on the swinging base after the hydraulic oil tank is shielded and protected, the removal of rust in the hydraulic oil tank is facilitated, the secondary pollution of hydraulic oil is further prevented, the faults of the hydraulic system are reduced, the rust removing efficiency is higher, the labor intensity of maintenance personnel is reduced, the structure is simpler, the difficulty of a welding process is lower, and the manufacturing efficiency is improved. Besides, the utility model additionally provides the concrete pump truck comprising the swinging base.
Description
Technical field
The utility model relates to the concrete pump truck technical field, particularly a kind of rotary table of concrete pump truck.In addition, the utility model also relates to the concrete pump truck that comprises above-mentioned rotary table.
Background technology
Concrete pump truck is modal construction machinery and equipment, is used for the concrete construction of engineerings such as railway and highway tunnel, bridges and culverts, water power, mine, skyscraper and national defence.
The rotary table of concrete pump truck generally comprises the framing members such as supporting leg case 1 on big seat ring 3, large cylinder 4 and welding and the large cylinder 4, also comprise hydraulic reservoir 2, the chassis length of concrete pump truck is short more, the arrangement space of each parts is also just nervous more on the corresponding rotary table, especially for three relatively shorter bridge-type concrete pump trucks of length over ends of body, being provided with of rotary table is very compact.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of rotary table of representative type concrete pump truck in the prior art.
In the prior art in a kind of rotary table of representative type concrete pump truck hydraulic reservoir 2 part-structure spares (supporting leg case 1 etc.) by rotary table be welded to form the fully enclosed casing and use as hydraulic reservoir 2, be separately positioned on the left and right sides of rotary table, connecting pipe by the centre is communicated with, and forms one.
Above-mentioned hydraulic reservoir 2 is because of forming its framing member structure more complicated, therefore to requirement of welding than higher.
Additionally, the operating needs of hydraulic reservoir 2 has certain cleanliness level, require inner non-corroding, in order to avoid hydraulic oil is produced secondary pollution, cause the fault of hydraulic efficiency pressure system etc., therefore, to carry out clean to its inside, the clean operation of hydraulic reservoir 2 is generally: earlier its ball blast technology is removed hydraulic reservoir 2 in-to-in corrosions, by the acid washing phosphorization operation hydraulic reservoir 2 is cleared up again, basically by after the above-mentioned operation cleaning, hydraulic reservoir 2 will reach the requirement of general use cleanliness level.
Yet, the hydraulic reservoir 2 of three bridge-type concrete pump trucks is an integral structure with other framing members of rotary table, because of the rotary table texture ratio bigger, can't carry out acid washing phosphorization to the inside of hydraulic reservoir 2, can only pass through the service personnel hand washing, the hand washing efficiency ratio is lower, and is difficult to reach the cleanliness level requirement of fuel tank internal.
Therefore, how to provide a kind of rotary table of concrete pump truck, the hydraulic reservoir in this rotary table is simple in structure, is convenient to cleaning inside, and use cost is lower, is the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of this utility model purport is for providing a kind of rotary table of concrete pump truck, and the hydraulic reservoir in this rotary table is simple in structure, is convenient to cleaning inside, and use cost is lower.In addition, another purpose purport of the present utility model is for providing a kind of concrete pump truck that comprises above-mentioned chassis.
For solving the problems of the technologies described above, the utility model provides a kind of rotary table of concrete pump truck, the hydraulic reservoir that comprises the hydraulic efficiency pressure system that is communicated with described concrete pump truck, described hydraulic reservoir are the independently casing that is connected on the sidewall of supporting leg case of described rotary table.
Preferably, described hydraulic reservoir comprises first hydraulic reservoir and second hydraulic reservoir, and about being arranged at respectively on the madial wall of two described supporting leg casees, and two hydraulic reservoirs were communicated with by first communicating pipe and second communicating pipe that is provided with between the two.
Preferably, described second hydraulic reservoir is provided with the oil suction that is communicated with described hydraulic efficiency pressure system, and the bottom of the leading flank of described first communicating pipe is provided with some return openings, and hydraulic oil flows back to two hydraulic reservoirs by described return opening.
Preferably, be provided with dividing plate in described second hydraulic reservoir, be divided into oil sucting cavity and oil back chamber two parts, described oil suction is communicated with described oil sucting cavity, be communicated with described oil back chamber and described second hydraulic reservoir described first communicating pipe, be communicated with described oil sucting cavity and described second hydraulic reservoir described second communicating pipe.
Preferably, be provided with the scrubbing opening on the box body wall of described first hydraulic reservoir and described second hydraulic reservoir.
Preferably, be provided with the cleaning opening on the roof of described first communicating pipe and described second communicating pipe.
The utility model also provides a kind of concrete pump truck, comprises chassis and the rotary table that is arranged on the described chassis, and the rotary table of described concrete pump truck is above any described rotary table.
Preferably, described concrete pump truck is specially three bridge-type concrete pump trucks.
The rotary table of the concrete pump truck that the utility model provides comprises that the hydraulic reservoir of the hydraulic efficiency pressure system that is communicated with described concrete pump truck, described hydraulic reservoir are the independently casing that is connected on the sidewall of supporting leg case of described rotary table.
Hydraulic reservoir in the rotary table of the present utility model is not processed as one with other parts of rotary table; be set to independently body structure; like this; hydraulic reservoir is processing and fabricating separately; and hydraulic reservoir can be carried out acid washing phosphorization before being connected on the concrete pump truck handles; then by again it being installed on the rotary table behind the shielding protection; help the removing of hydraulic reservoir internal corrosion; and then prevent the secondary pollution of hydraulic oil, reduce the fault of hydraulic efficiency pressure system, and the corrosion elimination efficiency is than higher; reduce the labour intensity of service personnel; and relatively simple for structure, lower to the difficulty of welding process, improved work efficiency.
Description of drawings
Fig. 1 is the structural representation of a kind of rotary table of representative type concrete pump truck in the prior art;
Fig. 2 is a kind of structural representation of the specific embodiment of the rotary table of concrete pump truck provided by the utility model;
Fig. 3 is the partial exploded view of the rotary table of concrete pump truck shown in Figure 2;
Fig. 4 is the scheme drawing of the mobile direction of hydraulic oil in the rotary table shown in Figure 1;
Fig. 5 is the general assembly scheme drawing of a kind of concrete pump truck provided by the utility model.
Wherein, the corresponding relation between Reference numeral and the component names is among Fig. 1:
1 supporting leg case; 2 hydraulic reservoirs; 3 big seat rings; 4 large cylinders.
Wherein, the corresponding relation between Reference numeral and the component names is among Fig. 2 to Fig. 5:
11 first hydraulic reservoirs; 12 second hydraulic reservoirs; The scrubbing opening of 111 first hydraulic reservoirs; The scrubbing opening of 121 second hydraulic reservoirs; 122 oil suctions; 123 dividing plates; 13 first communicating pipes; 131 return openings; The cleaning opening of 132 first communicating pipes; 133 sealing flanges; 14 second communicating pipes; 15 big seat rings; 16 large cylinders; 17 oil suction flanges; 18 supporting leg casees; 19 chassis.
The specific embodiment
Core purport of the present utility model is for providing a kind of rotary table of concrete pump truck, and the hydraulic reservoir in this rotary table is simple in structure, is convenient to cleaning inside, and use cost is lower.In addition, another core purport of the present utility model is for providing a kind of concrete pump truck that comprises above-mentioned rotary table.
In order to make those skilled in the art understand the technical solution of the utility model better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is a kind of structural representation of the specific embodiment of the rotary table of concrete pump truck provided by the utility model; Fig. 3 is the partial exploded view of the rotary table of concrete pump truck shown in Figure 2.
In a kind of specific embodiment, the rotary table of the concrete pump truck that the utility model provides can comprise large cylinder 16, big seat ring 15 and be installed in two parts framing members such as supporting leg case 18 on every side, this rotary table comprises the hydraulic reservoir of the hydraulic efficiency pressure system that is communicated with described concrete pump truck, and the effect of hydraulic reservoir in concrete pump truck work mainly is the power fluid of stores hydraulic pressure system necessity.
Hydraulic reservoir in this rotary table is the independently casing that is connected on the sidewall of supporting leg case 18 of rotary table, connection mode between hydraulic reservoir and the supporting leg case 18 can be welding, also can be bolt or other connection mode, as long as it is reliable to guarantee that hydraulic reservoir 11 is provided with.
Hydraulic reservoir in the rotary table of the present utility model is not processed as one with other parts of rotary table; be set to independently body structure; like this; hydraulic reservoir is processing and fabricating separately; and hydraulic reservoir can be carried out acid washing phosphorization before being connected on the concrete pump truck handles; then by again it being installed on the rotary table behind the shielding protection; help the removing of hydraulic reservoir internal corrosion; and then prevent the secondary pollution of hydraulic oil, reduce the fault of hydraulic efficiency pressure system, and the corrosion elimination efficiency is than higher; reduce the labour intensity of service personnel; and relatively simple for structure, lower to the difficulty of welding process, improved work efficiency.
Particularly, hydraulic reservoir can comprise first hydraulic reservoir 11 and second hydraulic reservoir 12, and about being arranged at respectively on the madial wall of two described supporting leg casees 18, the structure of supporting leg case 18 can be with reference to structure as shown in Figure 2.Rotary table can be made of parts such as supporting leg case 18 and large cylinders, general rotary table be shaped as the left-right symmetric structure, therefore, first hydraulic reservoir 11 and second hydraulic reservoir 12 can be designed as on the symmetrical madial wall that is arranged at rotary table of appearance similar and sizeable casing, and two hydraulic reservoirs were communicated with by first communicating pipe 13 and second communicating pipes 14 that are provided with between the two.
Relative prior art, the position of hydraulic reservoir does not change as far as possible, can reduce the work capacity that rearranges of concrete pump truck hydraulic tubing, and by first communicating pipe 13 and second communicating pipe 14 two hydraulic reservoirs being communicated with the volume that has enlarged hydraulic reservoir.
Need to prove, about the madial wall of above-mentioned supporting leg case 18 is meant two supporting leg casees 12 near sidewall along the center vertical plane of the length of concrete pump truck, the relative two sides of two supporting leg casees 18 about also can be understood as.
Particularly, can be provided with the oil suction 122 that is communicated with described hydraulic efficiency pressure system on second hydraulic reservoir 12, the position of oil suction 122 can be as shown in Figure 3, and oil suction 122 can be communicated with the pipeline of exterior hydraulic efficiency pressure system by oil suction flange 17, as shown in Figure 3.
And, the bottom of the leading flank of first communicating pipe 13 can be provided with some return openings 131, the number of return opening 131 can be set according to the concrete work operating mode of concrete pump vehicle device, and the hydraulic oil of hydraulic efficiency pressure system flows back to first hydraulic reservoir 11 and second hydraulic reservoir 12 of both sides by return opening 131.
Hydraulic oil may have sneaking into of certain gas for various reasons in the hydraulic work system process, return opening 131 is arranged on the bottom of the sidewall of first communicating pipe 13, its position is lower, help the separation of gas in the hydraulic oil, thereby the hydraulic oil of avoiding entering hydraulic efficiency pressure system once more is mixed with gas, helps the reliability of hydraulic work system.
And, return opening 131 was arranged on first communicating pipe 13, the position of oil suction 122 is distant relatively, helps hydraulic oil on-cycle smooth flow.
Hydraulic oil is entered the hydraulic efficiency pressure system of concrete pump truck by hydraulic reservoir, auxiliary concrete pump truck is finished normal work operations, hydraulic oil flow can produce certain heat through the hydraulic efficiency pressure system of concrete pump truck, therefore, hydraulic reservoir has the heat-dissipation effect simultaneously concurrently, for the accumulation of the heat that reduces the hydraulic oil periodical duty, guarantee the normal operation of hydraulic efficiency pressure system, hydraulic reservoir can be taked following set-up mode.
Particularly, can be provided with dividing plate 123 in second hydraulic reservoir 12, be divided into oil sucting cavity and oil back chamber two parts, oil suction 122 is communicated with oil sucting cavity, be communicated with first communicating pipe 13 and oil back chamber and 12, the second communicating pipes 14 of second hydraulic reservoir be communicated with the oil sucting cavity and first hydraulic reservoir 11.
Please refer to Fig. 4, Fig. 4 is the scheme drawing of the mobile direction of hydraulic oil in the rotary table shown in Figure 1.
The flow direction of hydraulic oil as shown in Figure 4, hydraulic oil is flowed out the oil sucting cavity of second hydraulic reservoir 12 by oil suction 122 (position C, position D, position E), after the hydraulic efficiency pressure system circulation of concrete pump truck, get back to the oil back chamber and 11 storages of first hydraulic reservoir of second hydraulic reservoir 12 earlier by the return opening 131 on first communicating pipe 13, behind first hydraulic reservoir 11 (position A), flow into the oil sucting cavity of second hydraulic reservoir 12 again through second communicating pipe 14 (position B), and then repeat with cocycle.
Setting by second hydraulic reservoir, 12 median septums 123, help forming effective loop of hydraulic oil, and return opening 131 is distant with oil suction 122 distances, the hydraulic oil of getting back to hydraulic reservoir from hydraulic efficiency pressure system will be through arriving oil sucting cavity after a while, by inspiration hydraulic efficiency pressure system once more, this helps the hydraulic oil heat radiation, guarantees the hydraulic efficiency pressure system normal operation, and improves the service life of hydraulic components.
Further, can be provided with the scrubbing opening on the box body wall of first hydraulic reservoir 11 and second hydraulic reservoir 12, the position is set selects hydraulic reservoir 11 relative installation places relatively to be convenient to the position of operating of scrubbing opening.
In a kind of specific embodiment, the scrubbing opening 111 of first hydraulic reservoir and the scrubbing opening 121 of second hydraulic reservoir the position is set as shown in Figure 3 so that the cleaning of hydraulic reservoir 11, when hydraulic reservoir 11 normal operation, use flange with the shutoff of scrubbing opening, as shown in Figure 2.
Further, in order to guarantee the use cleanliness level of hydraulic oil, reduce the fault of hydraulic efficiency pressure system, can be provided with the cleaning opening on the roof of first communicating pipe 13 and described second communicating pipe 14, the Butterworth Hatch 132 of first communicating pipe is provided with the position as shown in Figure 3, further the inside of first communicating pipe 13 and second communicating pipe 14 is cleaned, when the hydraulic reservoir normal operation, used sealing flange 133 will clean the opening shutoff.
More than hydraulic reservoir among each embodiment can be designed as shown in Figure 3 near the sidewall of supporting leg case 18, this sidewall of hydraulic reservoir is arranged at the inside of hydraulic reservoir, do not contact the facade of the perisporium adjacent and the sidewall weld together of supporting leg case 18 with hydraulic reservoir with the sidewall of supporting leg case 18; The side plate of one area greater than sidewall opening can be set at the opening part of this sidewall of hydraulic reservoir, side plate realizes that hydraulic reservoir contacts with the face face of supporting leg case, be that the sidewall of hydraulic reservoir and the sidewall of supporting leg case 18 fit, realize the fixing of hydraulic reservoir by the sidewall of welding side plate and supporting leg case 18, because of the size of side plate greater than the sidewall opening size, the welding space is bigger relatively, is convenient to both welding, and helps the maintenance of hydraulic reservoir.
Need to prove; preceding, the left and right and inferior noun of locality used herein all is to define with reference to parts relative position in the accompanying drawings, and is just clear for what explain; should be appreciated that the noun of locality that this paper adopts should not limit the protection domain of this patent.
Please refer to Fig. 5, Fig. 5 is the general assembly scheme drawing of a kind of concrete pump truck provided by the utility model.
Except that above-mentioned chassis, the utility model also provides a kind of concrete pump truck, comprises chassis 19 and the rotary table that is arranged on the described chassis 19, and the rotary table of this concrete pump truck is above each described rotary table.
Owing to comprised above-described chassis, its also corresponding technique effect in this concrete pump truck with this rotary table.
Above-mentioned concrete pump truck can be specially three bridge-type concrete pump trucks.
In addition, the technical characterictic of other parts of three bridge-type concrete pump trucks can not repeat them here referring to prior art.
More than a kind of concrete pump truck provided by the utility model and rotary table thereof are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (8)
1. the rotary table of a concrete pump truck comprises it is characterized in that the hydraulic reservoir of the hydraulic efficiency pressure system that is communicated with described concrete pump truck, and described hydraulic reservoir is the independently casing that is connected on the sidewall of supporting leg case (18) of described rotary table.
2. the rotary table of concrete pump truck according to claim 1, it is characterized in that, described hydraulic reservoir comprises first hydraulic reservoir (11) and second hydraulic reservoir (12), about being arranged at respectively on the madial wall of two described supporting leg casees (18), and first communicating pipe (13) and second communicating pipe (14) connection of two hydraulic reservoirs by being provided with between the two.
3. the rotary table of concrete pump truck according to claim 2, it is characterized in that, described second hydraulic reservoir (12) is provided with the oil suction (122) that is communicated with described hydraulic efficiency pressure system, and the bottom of the leading flank of described first communicating pipe (13) is provided with some return openings (131) hydraulic oil and flows back to two hydraulic reservoirs by described return opening (131).
4. the rotary table of concrete pump truck according to claim 3, it is characterized in that, be provided with dividing plate (123) in described second hydraulic reservoir (12), be divided into oil sucting cavity and oil back chamber two parts, described oil suction (122) is communicated with described oil sucting cavity, described first communicating pipe (13) is communicated with described oil back chamber and described second hydraulic reservoir (12), and described second communicating pipe (14) is communicated with described oil sucting cavity and described second hydraulic reservoir (12).
5. the rotary table of concrete pump truck according to claim 4 is characterized in that, is provided with the scrubbing opening on the box body wall of described first hydraulic reservoir (11) and described second hydraulic reservoir (12).
6. the rotary table of concrete pump truck according to claim 5 is characterized in that, is provided with the cleaning opening on the roof of described first communicating pipe (13) and described second communicating pipe (14).
7. concrete pump truck comprises chassis (19) and is arranged at rotary table on the described chassis (19), it is characterized in that the rotary table of described concrete pump truck is each described rotary table of claim 1 to 6.
8. concrete pump truck according to claim 7 is characterized in that, is specially three bridge-type concrete pump trucks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200915765U CN202063066U (en) | 2011-03-31 | 2011-03-31 | Concrete pump truck and swinging base thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200915765U CN202063066U (en) | 2011-03-31 | 2011-03-31 | Concrete pump truck and swinging base thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202063066U true CN202063066U (en) | 2011-12-07 |
Family
ID=45056940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200915765U Expired - Fee Related CN202063066U (en) | 2011-03-31 | 2011-03-31 | Concrete pump truck and swinging base thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202063066U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103661662A (en) * | 2013-11-21 | 2014-03-26 | 徐工集团工程机械股份有限公司道路机械分公司 | Walking type chassis of symmetrical type multi-freedom-degree four-wheel all-wheel-drive walking type excavator |
| CN111824078A (en) * | 2020-07-17 | 2020-10-27 | 三一汽车制造有限公司 | Support leg device and work vehicle |
| WO2022142198A1 (en) * | 2020-12-30 | 2022-07-07 | 三一汽车制造有限公司 | Turret structure and work machine |
-
2011
- 2011-03-31 CN CN2011200915765U patent/CN202063066U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103661662A (en) * | 2013-11-21 | 2014-03-26 | 徐工集团工程机械股份有限公司道路机械分公司 | Walking type chassis of symmetrical type multi-freedom-degree four-wheel all-wheel-drive walking type excavator |
| CN103661662B (en) * | 2013-11-21 | 2019-01-22 | 徐工集团工程机械股份有限公司道路机械分公司 | It is a kind of symmetrical expression multiple degrees of freedom four-wheel drive walking type excavator mobile chassis entirely |
| CN111824078A (en) * | 2020-07-17 | 2020-10-27 | 三一汽车制造有限公司 | Support leg device and work vehicle |
| CN111824078B (en) * | 2020-07-17 | 2022-03-22 | 三一汽车制造有限公司 | Support leg device and work vehicle |
| WO2022142198A1 (en) * | 2020-12-30 | 2022-07-07 | 三一汽车制造有限公司 | Turret structure and work machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202063066U (en) | Concrete pump truck and swinging base thereof | |
| CN202207684U (en) | Automatic cleaning machine for mortar pump delivery pipe | |
| CN203246439U (en) | Vehicle tyre cleaning system | |
| CN203329490U (en) | Top-mounted oil gas rotational-flow filter | |
| CN201385032Y (en) | Cleaning device for fuel tank of engineering machinery | |
| CN203362657U (en) | Hydraulic oil tank | |
| CN202527398U (en) | Cleaning device for parts and components | |
| CN102886356A (en) | Pre-decontamination channel of nuclear biochemical pollution decontamination trailer | |
| CN208791316U (en) | A kind of separation equipment of gravitational method efficient process sludge containing waste water | |
| CN203750689U (en) | Brine filtration device | |
| CN203868008U (en) | Fuel tank used for engineering machinery | |
| CN105179026B (en) | The rinse-system of Turbo-generator Set lubricating oil system and purging method | |
| CN203717544U (en) | Oil cooler for engineering machinery | |
| CN208069618U (en) | A kind of pressure resistant type heavy engineering vehicle steam turbine | |
| CN202462667U (en) | Auxiliary device for wire saw cutting | |
| CN104632587A (en) | Rail vehicle and air compressor unit dirt discharging and collecting device thereof | |
| CN202108724U (en) | Exhaust device for oil absorption pipeline of oil pump | |
| CN211873280U (en) | Intelligent unmanned vehicle washing water saving equipment | |
| CN211869328U (en) | Portable tank car washing platform | |
| CN204413753U (en) | A kind of lathe water tank | |
| CN204281234U (en) | A kind of high-altitude operation platform with Self-cleaning system | |
| CN103706473A (en) | Simple brine filter | |
| CN206448227U (en) | A kind of multifunctional high pressure cleaning vehicle | |
| CN219885870U (en) | Coalescence deoiling combines two air supporting deoiling systems of electro-lyzing gas | |
| CN210751503U (en) | Chromic acid recoverer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: XCMG Schwing Machinery Co., Ltd. Assignor: Building Machinery Co., Ltd., XCMG Construction Machinery Co., Ltd. Contract record no.: 2013320000351 Denomination of utility model: Concrete pump truck and swinging base thereof Granted publication date: 20111207 License type: Exclusive License Record date: 20130418 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| ASS | Succession or assignment of patent right |
Owner name: XUZHOU XUGONG SCHWING MACHINERY CO., LTD. Free format text: FORMER OWNER: BUILDING MACHINERY CO., LTD., XCMG CONSTRUCTION MACHINERY CO., LTD. Effective date: 20131030 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131030 Address after: 221004 Xuzhou economic and Technological Development Zone, Jiangsu Peach Road, No. 29 Patentee after: XCMG Schwing Machinery Co., Ltd. Address before: 221004 No. 19 Peach Road, Xuzhou Economic Development Zone, Jiangsu, China Patentee before: Building Machinery Co., Ltd., XCMG Construction Machinery Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20180331 |