CN109499209B - Telescopic bag cage group and telescopic folding bag cage device - Google Patents
Telescopic bag cage group and telescopic folding bag cage device Download PDFInfo
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- CN109499209B CN109499209B CN201811601973.5A CN201811601973A CN109499209B CN 109499209 B CN109499209 B CN 109499209B CN 201811601973 A CN201811601973 A CN 201811601973A CN 109499209 B CN109499209 B CN 109499209B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/06—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material with means keeping the working surfaces flat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The invention discloses a telescopic bag cage group and a telescopic folding bag cage device. The telescopic bag cage group comprises a plurality of unit cages, each unit cage comprises an upper supporting ring, a lower supporting ring and a supporting rod, the lower supporting ring is fixedly provided with a lower lug, the upper supporting ring is fixedly provided with an upper lug, the lower end of the supporting rod is fixed on the lower lug, and the upper end of the supporting rod is locked on the upper lug; the connection of every two adjacent unit cages is as follows: the lower supporting rings of the upper unit cage are sleeved in the supporting rods of the lower unit cage by staggering the lower lugs and the upper lugs, the lower lugs of the upper unit cage are partially overlapped with the upper lugs of the lower unit cage by rotating, the supporting rods of the upper unit cage are hooked by the positioning hooks to lock the circumferential positions of the upper unit cage and the lower unit cage, the expansion limit is limited by partially overlapped and matched with the upper lugs of the upper unit cage, and the expansion limit is limited by the positioning hooks of the upper supporting rings of the upper unit cage and the lower unit cage. It has the following advantages: the constant diameter expansion and contraction with large expansion ratio can be realized, the unit cage can be assembled without dismantling the injection pipe, and the production and maintenance of the bag cage are convenient.
Description
Technical Field
The invention relates to the technical field of dust removal, in particular to a telescopic bag cage group and a telescopic folding bag cage device based on an assemblable unit design.
Background
Bag houses are an important component of bag house. The bag type dust collector is a dry dust filtering device, which filters gas by using a filter bag, blocks dust on the outer surface of the filter bag, and then carries out dust cleaning on the filter bag by back blowing air flow of a blowing pipe arranged right above. The bag cage is arranged in the filter bag and is used for supporting the filter bag and preventing the filter bag from collapsing.
The bag cage mainly comprises rings and longitudinal ribs, is required to be uniformly distributed, and has enough strength. The existing market mainly has three structures of a long bag cage, a sectional bag cage and a telescopic rod structure bag cage. The long bag cage is generally divided into three sections and is connected by means of a chuck, splicing and the like. The traditional bag cage is long in length, large in size, and not foldable, and is unfavorable for storage and transportation. The sectional bag cage has the problems of easy neglected loading and falling, and the blowing pipe above the bag cage needs to be removed firstly for replacement, thereby being inconvenient for replacement and maintenance. The diameter is reduced section by section when the existing telescopic rod structure is stretched, the limit expansion is smaller, and the strength is weaker.
Disclosure of Invention
The invention provides a telescopic bag cage group and a telescopic folding bag cage device, which overcome the defects of a bag cage in the background technology.
One of the adopted technical schemes for solving the technical problems is as follows:
the telescopic bag cage group comprises a plurality of unit cages, each unit cage comprises an upper supporting ring, a lower supporting ring and a supporting rod, the lower supporting ring is fixedly provided with a lower lug, the upper supporting ring is fixedly provided with an upper lug, the lower end of the supporting rod is fixed on the lower lug, and the upper end of the supporting rod is locked on the upper lug; the unit cages are sequentially connected up and down, and every two adjacent unit cages are connected as follows: the lower supporting rings of the upper unit cage can be sleeved in the supporting rods of the lower unit cage through the lower lugs of the staggered upper unit cage and the upper lugs of the lower unit cage, the lower lugs of the upper unit cage and the upper lugs of the lower unit cage can be partially overlapped through rotating the upper unit cage, a rotatable positioning hook is arranged on the upper lugs of the lower unit cage, the supporting rods of the upper unit cage are hooked through the positioning hooks so as to lock the circumferential positions of the upper unit cage and the lower unit cage, the expansion limit of the upper unit cage and the lower unit cage is limited through the partially overlapped matching of the lower lugs of the upper unit cage and the upper lugs of the lower unit cage, and the expansion limit of the upper unit cage and the expansion limit of the lower unit cage are limited through the upper supporting rings of the upper unit cage and the positioning hooks of the lower unit cage.
In one embodiment: the unit cages are divided into a lowermost unit cage and a plurality of other unit cages, the inner wall of the upper supporting ring of each other unit cage is convexly provided with the upper lug, the upper lug is extended in the clockwise direction, the outer wall of the lower supporting ring of each other unit cage is convexly provided with the lower lug, the lower lug is extended in the anticlockwise direction, and the inner diameter of the upper supporting ring is larger than the outer diameter of the lower supporting ring.
In one embodiment: the inner wall of the upper supporting ring of the lowest unit cage is convexly provided with the upper lug, and the inner wall of the lower supporting ring of the lowest unit cage is convexly provided with the lower lug.
In one embodiment: the upper lugs of the plurality of other unit cages are rotatably connected with positioning hooks.
In one embodiment: in addition, a bolt mechanism is arranged, and the bolt mechanism is connected with the positioning hook, the upper lug and the supporting rod.
In one embodiment: the plurality of unit cages are as follows: the support rods of the unit cages which are ordered up and down are arranged in sequence along the circumferential direction.
The second technical scheme adopted for solving the technical problems is as follows:
the telescopic folding bag cage device comprises a plurality of telescopic bag cage groups, wherein every two adjacent telescopic bag cage groups in the plurality of telescopic bag cage groups are as follows: two ropes are arranged, two ends of one rope are respectively connected with the lower supporting ring of the last unit cage of the upper telescopic bag cage group and the upper supporting ring of the uppermost unit cage of the lower telescopic bag cage group, and two ends of the other rope are respectively connected with the upper supporting ring of the second unit cage of the upper telescopic bag cage group and the lower supporting ring of the uppermost unit cage of the lower telescopic bag cage group.
In one embodiment: the outer wall of the lower supporting ring of the penultimate unit cage of the telescopic bag cage group is convexly provided with an outer wiring bulge, the upper supporting ring of the uppermost unit cage of the lower telescopic bag cage group, the upper supporting ring of the second unit cage of the upper telescopic bag cage group and the inner wall of the lower supporting ring of the uppermost unit cage of the lower telescopic bag cage group are convexly provided with an inner wiring bulge, the rope is connected with the outer wiring bulge, and the rope is connected with the inner wiring bulge.
In one embodiment: the lower supporting ring of the uppermost unit cage in the plurality of telescopic bag cage groups is externally provided with an outer conical wall, the upper supporting ring of the lowermost unit cage is internally provided with an inner conical wall, and the outer conical wall is matched with the inner conical wall.
Compared with the background technology, the technical proposal has the following advantages:
the lower supporting rings of the upper unit cage are sleeved in the supporting rods of the lower unit cage through staggering the lower lugs of the upper unit cage and the upper lugs of the lower unit cage, the lower lugs of the upper unit cage and the upper lugs of the lower unit cage are partially overlapped through rotating the upper unit cage, the supporting rods of the upper unit cage are hooked through the positioning hooks so as to lock the circumferential positions of the upper unit cage and the lower unit cage, the expansion limit of the upper unit cage and the lower unit cage is limited through partially overlapped and matched with the lower lugs of the upper unit cage and the upper lugs of the lower unit cage, and the expansion limit of the upper unit cage and the lower unit cage is limited through the positioning hooks of the upper supporting rings of the upper unit cage and the lower unit cage, so that the defects existing in the background technology are overcome and the following technical effects are generated: 1. the unit cages can stretch out and draw back, so that the constant diameter stretch out and draw back with large stretch out and draw back ratio can be realized; 2. the whole structure is stable before and after the expansion; 3. the constant diameter expansion and contraction in a large proportion can be realized, and the injection pipe is installed and taken out without being dismantled; 4. the strength is high, the structure is simple, and the assembly and the maintenance are easy; 5. the unit cages can be assembled, and the production and the maintenance of the bag cages are convenient.
The locating hook is rotationally connected with the upper lug, so that the unit cage is convenient to install and detach.
The two ends of one rope are respectively connected with the lower supporting ring of the last and the upper supporting rings of the uppermost unit cages of the lower telescopic bag cage group, and the two ends of the other rope are respectively connected with the upper supporting ring of the second unit cage of the upper telescopic bag cage group and the lower supporting ring of the uppermost unit cage of the lower telescopic bag cage group, so that the telescopic bag cage groups can be filled into filter bags one by one and are not used in sections under the condition of not disassembling the blowing pipe.
Drawings
The invention is further described below with reference to the drawings and the detailed description.
Fig. 1 is an assembled view of a bag cage according to an embodiment.
Fig. 2 is a front view of a cell cage of an embodiment.
FIG. 3 is a top view of a cell cage of an embodiment.
Fig. 4 is a schematic view showing the engagement of the positioning hooks of the unit cage according to the embodiment.
Fig. 5 is a partial schematic view of a bag cage assembly according to an embodiment.
Fig. 6 is a schematic view showing a folding structure of the bag cage apparatus according to the embodiment.
Fig. 7 is a second schematic view of the folding structure of the bag cage apparatus of the embodiment.
Fig. 8 is a top view of a support ring with inner joint protrusions according to an embodiment.
Fig. 9 is a top view of a support ring with external wire protrusions according to an embodiment.
Fig. 10 is a schematic view of the cone port interfacing of the bag cage apparatus of the embodiments.
Detailed Description
Referring to fig. 1 to 5, the telescopic bag cage set includes a plurality of unit cages 1, 1', the unit cages 1, 1' include an upper support ring 11, 11', a lower support ring 12, 12' and four support rods 13, 13', the lower support ring 11, 11' is fixedly provided with four lower lugs 111, 111 'arranged in an annular array, the upper support ring 12, 12' is fixedly provided with four upper lugs 121, 121 'arranged in an annular array, the lower ends of the support rods 13, 13' are fixed on the lower lugs 111, 111', and the upper ends are locked on the upper lugs 121, 121'. The unit cages 1 and 1' are sequentially connected up and down, and every two adjacent unit cages are connected as follows: the lower supporting rings of the upper unit cages can be sleeved in the supporting rods of the lower unit cages by staggering the lower lugs of the upper unit cages 1 and 1' and the upper lugs of the lower unit cages, the lower lugs of the upper unit cages and the upper lugs of the lower unit cages can be partially overlapped by rotating the upper unit cages, the upper lugs of the lower unit cages are provided with rotatable positioning hooks 14, the supporting rods of the upper unit cages are hooked by the positioning hooks to lock the circumferential positions of the upper unit cages and the lower unit cages, the expansion limit of the upper unit cages and the lower unit cages is limited by the cooperation of the lower lugs of the upper unit cages and the upper lugs of the lower unit cages, and the expansion limit of the upper unit cages and the expansion limit of the lower unit cages are limited by the positioning hooks of the upper supporting rings of the upper unit cages and the lower unit cages.
The unit cages are divided into a lowermost unit cage 1' and a plurality of rest unit cages 1, the inner wall of the upper supporting ring 11 of the rest unit cages 1 is convexly provided with the upper lug 111, the outer wall of the lower supporting ring 12 of the rest unit cages 1 is convexly provided with the lower lug 121, moreover, the inner diameter of the upper supporting ring is larger than the outer diameter of the lower supporting ring, the difference between the inner diameter of the upper supporting ring and the outer diameter of the lower supporting ring is a, the height of the upper lug is b, the height of the lower lug is c, a is larger than b, a is larger than c, and b+c is larger than a. The upper lugs of the remaining unit cages are rotatably connected with positioning hooks 14. The inner wall of the upper support ring 11' of the lowermost unit cage 1' is provided with the above-mentioned upper lugs 111' and the inner wall of the lower support ring 12' of the lowermost unit cage is provided with the above-mentioned lower lugs 112'.
The unit cages are as follows: the supporting rods of the unit cages which are ordered up and down are arranged in sequence along the circumferential direction, and the rings of the unit cages can not collide in the bag cage group shrinkage process.
A bolt mechanism is further provided and is connected with the positioning hook, the upper lug 111 and the supporting rod 13, so that the positioning hook can be locked by the locking bolt mechanism. The positioning hook rotation axis and the support rod axis are coaxially arranged. A semicircular groove is formed in the positioning hook, and the semicircular groove is matched with the outer wall of the supporting rod. The semicircular groove of the positioning hook groove is in clearance fit with the support rod and can slide on the support rod. The locating hooks are used for hooking the supporting rods, and the locating hooks are used in parallel, so that the distance between the upper unit cage supporting rods and the lower unit cage supporting rods can be determined.
The assembly process comprises the following steps: assembling each unit cage, fixedly connecting the support rod on a lower lug of a lower support ring, and locking an upper support ring at the upper end of the support rod; loosening the positioning hook; the upper and lower unit cages are circumferentially staggered with the upper and lower lugs, and the lower support rings of the upper unit cage are sleeved outside the support rods of the lower unit cage; the upper unit cage is rotated, then the positioning hooks are rotated to enable the positioning hooks to be hooked with the supporting rods of the upper unit cage, the positioning holes are utilized for positioning, the supporting rods and the semicircular grooves are kept in clearance fit, the bolt mechanism is locked, the positioning hooks are fixed, and at the moment, the upper lugs and the lower lugs are partially overlapped.
Please refer to fig. 6 to 10, the telescopic folding bag cage device includes a plurality of the above telescopic bag cage groups, and every two adjacent telescopic bag cage groups A, B in the plurality of telescopic bag cage groups: two ropes 2 are arranged, two ends of one rope are respectively connected with the lower supporting ring of the last unit cage of the upper telescopic bag cage group and the upper supporting ring of the uppermost unit cage of the lower telescopic bag cage group, and two ends of the other rope are respectively connected with the upper supporting ring of the second unit cage of the upper telescopic bag cage group and the lower supporting ring of the uppermost unit cage of the lower telescopic bag cage group. Moreover, the outer wall of the lower supporting ring of the penultimate unit cage of the telescopic bag cage group is convexly provided with an outer wiring protrusion 3, the upper supporting ring of the uppermost unit cage of the lower telescopic bag cage group, the upper supporting ring of the second unit cage of the upper telescopic bag cage group and the inner wall of the lower supporting ring of the uppermost unit cage of the lower telescopic bag cage group are convexly provided with an inner wiring protrusion 4, the rope is connected with the outer wiring protrusion, and the rope is connected with the inner wiring protrusion. An outer conical wall 5 is arranged outside the lower supporting ring of the uppermost unit cage in the plurality of telescopic bag cage groups, an inner conical wall 6 is arranged in the upper supporting ring of the lowermost unit cage, and the outer conical wall is matched with the inner conical wall. When the telescopic folding bag cage device is contracted, enough movable space is reserved between the bag cage groups, and the bag cage groups can be filled into filter bags one by one; when the bag cage groups are stretched, the bag cage groups are pulled by ropes and are in butt joint end to end, so that the bag cage groups are kept coaxial.
The working principle of the bag cage device is as follows: the bag cage group can realize large-scale expansion and contraction, and the bag cage group can be directly arranged into the filter bag from the position right below the injection pipe after the expansion and contraction. The folding structure can connect a plurality of bag cage groups, so that neglected loading and falling off during use are avoided. The bag cage group is formed by nesting a plurality of unit cages and can be contracted into a single unit cage. The unit cages are staggered and stretched in the tangential direction through the longitudinal ribs, and the supporting rods of two adjacent unit cages are kept at a certain distance along the tangential direction of the rings, so that the supporting rods of each unit cage are staggered with other units, the diameters of the rings and the supporting rods of each unit cage are equal before and after stretching, the same structure of each unit cage is ensured, and the performance is stable. The bag cage group is stretched by gravity and is limited by contact of overlapping parts of the upper ring and the lower ring. The folding structure is a flexible structure formed by connecting an upper group of bag cage groups and a lower group of bag cage groups through two groups of ropes, and a plurality of bag cage groups are connected end to end and used as a whole, so that the possibility of neglected loading is avoided.
The specific implementation mode can have the following technical effects: the bag cage group is simple in structure, can be folded in a telescopic way, is convenient to transport and store, and can be installed into a filter bag without dismantling a blowing pipe right above. The bag cage group is mainly of a telescopic structure, large-scale telescopic operation can be achieved, diameters of the ring and the supporting rod are kept unchanged, and the bag cage group has enough strength and structural stability. Meanwhile, the bag cage group is combined with the design of the folding structure, so that the limitation of the expansion limit of the bag cage unit group is made up, the bag cage group has good adaptive capacity, a plurality of bag cage groups can be assembled in advance for filter bags with different lengths, the unit cages are not segmented when in use, and the possibility of neglected loading is avoided. The unit cages are connected with the positioning hooks through the upper and lower ring hook structures, the hook structures have larger bearing areas, and static pressure load caused by the dead weight of the long bag cage can be effectively borne; the unit cages are designed based on the assemblable units, and each unit cage has the same structure and can be assembled and replaced. The positioning hook not only plays a role in positioning, but also facilitates the assembly of the bag cage group and the replacement of the damaged cell cage.
The foregoing description is only illustrative of the preferred embodiments of the present invention, and therefore should not be taken as limiting the scope of the invention, for all changes and modifications that come within the meaning and range of equivalency of the claims and specification are therefore intended to be embraced therein.
Claims (7)
1. The telescopic bag cage group, its characterized in that: the device comprises a plurality of unit cages, wherein each unit cage comprises an upper supporting ring, a lower supporting ring and a supporting rod, the lower supporting ring is fixedly provided with a lower lug, the upper supporting ring is fixedly provided with an upper lug, the lower end of the supporting rod is fixed on the lower lug, and the upper end of the supporting rod is locked on the upper lug; the unit cages are sequentially connected up and down, and every two adjacent unit cages are connected as follows: the lower supporting rings of the upper unit cage can be sleeved in the supporting rods of the lower unit cage through staggering the lower lugs of the upper unit cage and the upper lugs of the lower unit cage, the lower lugs of the upper unit cage and the upper lugs of the lower unit cage can be partially overlapped through rotating the upper unit cage, a rotatable positioning hook is arranged on the upper lugs of the lower unit cage, the supporting rods of the upper unit cage are hooked through the positioning hooks so as to lock the circumferential positions of the upper unit cage and the lower unit cage, the expansion limit of the upper unit cage and the lower unit cage is limited through partially overlapped and matched with the lower lugs of the upper unit cage and the upper lugs of the lower unit cage, and the expansion limit of the upper unit cage and the expansion limit of the lower unit cage are limited through the positioning hooks of the upper supporting rings of the upper unit cage and the lower unit cage; the unit cages are divided into a lowest unit cage and a plurality of other unit cages, and the inner wall of an upper supporting ring of each other unit cage is convexly provided with the upper lugs; the outer wall of the lower supporting ring of the other unit cages is convexly provided with the lower lug, and the inner diameter of the upper supporting ring is larger than the outer diameter of the lower supporting ring; the inner wall of the upper supporting ring of the lowest unit cage is convexly provided with the upper lug; the plurality of unit cages are as follows: the support rods of the unit cages which are ordered up and down are arranged in sequence along the circumferential direction.
2. A telescoping bag cage assembly as in claim 1 wherein: the upper lugs are elongated in a clockwise direction and the lower lugs are elongated in a counter-clockwise direction.
3. The telescoping bag and cage assembly of claim 2 wherein: the inner wall of the lower supporting ring of the lowest unit cage is convexly provided with the lower lug.
4. The telescoping bag and cage assembly of claim 2 wherein: the upper lugs of the plurality of other unit cages are rotatably connected with positioning hooks.
5. The telescoping bag and cage assembly of claim 2 wherein: in addition, a bolt mechanism is arranged, and the bolt mechanism is connected with the positioning hook, the upper lug and the supporting rod.
6. The utility model provides a flexible folding bag cage device which characterized in that: comprising a plurality of the telescopic bag-and-cage groups according to claim 1 or 2 or 3 or 4 or 5, wherein every two adjacent telescopic bag-and-cage groups in the plurality of telescopic bag-and-cage groups are: two ropes are arranged, two ends of one rope are respectively connected with the lower supporting ring of the last unit cage of the upper telescopic bag cage group and the upper supporting ring of the uppermost unit cage of the lower telescopic bag cage group, and two ends of the other rope are respectively connected with the upper supporting ring of the second unit cage of the upper telescopic bag cage group and the lower supporting ring of the uppermost unit cage of the lower telescopic bag cage group.
7. The collapsible bag cage apparatus of claim 6 wherein: the lower supporting ring of the uppermost unit cage in the plurality of telescopic bag cage groups is externally provided with an outer conical wall, the upper supporting ring of the lowermost unit cage is internally provided with an inner conical wall, and the outer conical wall is matched with the inner conical wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811601973.5A CN109499209B (en) | 2018-12-26 | 2018-12-26 | Telescopic bag cage group and telescopic folding bag cage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811601973.5A CN109499209B (en) | 2018-12-26 | 2018-12-26 | Telescopic bag cage group and telescopic folding bag cage device |
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| Publication Number | Publication Date |
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| CN109499209A CN109499209A (en) | 2019-03-22 |
| CN109499209B true CN109499209B (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811601973.5A Active CN109499209B (en) | 2018-12-26 | 2018-12-26 | Telescopic bag cage group and telescopic folding bag cage device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110496462A (en) * | 2019-09-19 | 2019-11-26 | 华侨大学 | A kind of telescopic bag cage mechanism of slide bar |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995025579A1 (en) * | 1994-03-21 | 1995-09-28 | Lodge Sturtevant Limited | Improved split bag filter cage |
| US5951726A (en) * | 1997-11-14 | 1999-09-14 | Albany International Corp. | Modular filter bag cage |
| CN205055677U (en) * | 2015-10-10 | 2016-03-02 | 耿力 | Bag -type dust collector |
| CN106563317A (en) * | 2015-10-10 | 2017-04-19 | 樊星 | Bag cage for bag-type dust collector |
| CN107469498A (en) * | 2017-09-30 | 2017-12-15 | 厦门龙净环保技术有限公司 | Folding bag cage structure |
| CN207076249U (en) * | 2017-07-05 | 2018-03-09 | 重庆阳正环保科技股份有限公司 | With the sack cleaner for stablizing spine support mechanism |
-
2018
- 2018-12-26 CN CN201811601973.5A patent/CN109499209B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995025579A1 (en) * | 1994-03-21 | 1995-09-28 | Lodge Sturtevant Limited | Improved split bag filter cage |
| US5951726A (en) * | 1997-11-14 | 1999-09-14 | Albany International Corp. | Modular filter bag cage |
| CN205055677U (en) * | 2015-10-10 | 2016-03-02 | 耿力 | Bag -type dust collector |
| CN106563317A (en) * | 2015-10-10 | 2017-04-19 | 樊星 | Bag cage for bag-type dust collector |
| CN207076249U (en) * | 2017-07-05 | 2018-03-09 | 重庆阳正环保科技股份有限公司 | With the sack cleaner for stablizing spine support mechanism |
| CN107469498A (en) * | 2017-09-30 | 2017-12-15 | 厦门龙净环保技术有限公司 | Folding bag cage structure |
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| CN109499209A (en) | 2019-03-22 |
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