CN107606039B - High-intensitive damping device for building waste sorting crushing and screening processing equipment - Google Patents
High-intensitive damping device for building waste sorting crushing and screening processing equipment Download PDFInfo
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- CN107606039B CN107606039B CN201710834097.XA CN201710834097A CN107606039B CN 107606039 B CN107606039 B CN 107606039B CN 201710834097 A CN201710834097 A CN 201710834097A CN 107606039 B CN107606039 B CN 107606039B
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Abstract
A kind of high-intensitive damping device for building waste sorting crushing and screening processing equipment, batter post A and batter post B is symmetricly set on the two sides of pedestal, the bottom end batter post A is fixedly connected with the side of pedestal, the bottom end batter post B is fixedly connected with the other side of pedestal, the upper end batter post A is fixedly connected with one end of traveller A, the upper end batter post B is fixedly connected with one end of traveller B, lower surface setting and the traveller A other end sliding slot A to match and the sliding slot B to match with the traveller B other end of support platform, the other end of traveller A is slidably disposed in sliding slot A, the other end of traveller B is slidably disposed in sliding slot B, the other end end of traveller A is fixedly connected with the slot bottom of sliding slot A by spring A, the other end end of traveller B is fixedly connected with the slot bottom of coaster B by spring B, the axial line of traveller A, the axial line of traveller B, spring A's Center line and the center line of spring B are parallel with plumb line respectively.The present invention has high-intensitive damping effect, and structure is simple, very practical.
Description
Technical field:
The present invention relates to building wastes to sort crushing and screening processing equipment field, and in particular to a kind of for building waste point
Select the high-intensitive damping device of crushing and screening processing equipment.
Background technique:
Building waste refers to that construction, unit in charge of construction or individual build all kinds of buildings, structures, pipe network etc., spread
If or removing, generated dregs, spoir, rejected material, mud and other wastes in reparative processes.
Building waste is since hardness is larger, during sorting crushing and screening, needs to install high intensity in screening installation
Damping device is buffered, and in the prior art, without a kind of preferable high-intensitive damping device of structure.
In order to solve the above-mentioned technical problem, special to propose a kind of new technical solution.
Summary of the invention:
In place of overcoming above-mentioned the shortcomings of the prior art, and provide a kind of for building rubbish
The high-intensitive damping device of rubbish sorting crushing and screening processing equipment.
The technical solution adopted by the present invention are as follows:
A kind of high-intensitive damping device for building waste sorting crushing and screening processing equipment, it is characterised in that: including
Batter post A, batter post B, pedestal, traveller A, traveller B, sliding slot A, sliding slot B, spring A, spring B, support platform, spreader A, spreader B, work
Stopper rod, piston bush, inclined-plane slide plate A, the face A that concaves, inclined-plane slide plate B, the face B that concaves, shaft A, shaft B, idler wheel A, idler wheel B and spring
C, batter post A and batter post B are symmetricly set on the two sides of pedestal, and the bottom end of batter post A is fixedly connected with the side of pedestal, the bottom end of batter post B
It is fixedly connected with the other side of pedestal, the upper end of batter post A is fixedly connected with one end of traveller A, and the upper end of batter post B is fixedly connected with traveller B
One end, the lower surface setting of support platform and the traveller A other end sliding slot A to match and match with the traveller B other end
Sliding slot B, the other end of traveller A are slidably disposed in sliding slot A, and the other end of traveller B is slidably disposed in sliding slot B,
The other end end of traveller A is fixedly connected with the slot bottom of sliding slot A by spring A, and the other end end of traveller B is fixed by spring B
Connect the slot bottom of sliding slot B, the center line difference of the axial line of traveller A, the axial line of traveller B, the center line of spring A and spring B
It is parallel with plumb line, pedestal, batter post A, batter post B, traveller A, traveller B and support platform group be encircled into a damping chamber, in institute
The rolling groove A that damping is intracavitary, and setting is matched with idler wheel A on batter post A is stated, idler wheel A is rotatable to be arranged on rolling groove A, tiltedly
The rolling groove B matched with idler wheel B is set on column B, and idler wheel B is rotatable to be arranged on rolling groove B, and one end of spreader A passes through
Shaft A is spindle rotationally arranged on idler wheel A, and one end of spreader B is spindle rotationally arranged on idler wheel B by shaft B, spreader A's
Plunger shaft is arranged in the other end, and the other end of spreader B is fixedly connected with one end of piston rod, and the other end of piston rod is arranged and plunger shaft
The piston bush matched, piston rod connects by piston bush with plunger shaft piston, the other end end of piston rod pass through spring C and
Plunger shaft is fixedly connected, and the center line of spring C and the axial line of piston rod are parallel with horizontal line respectively, the lower end of inclined-plane slide plate A
It is fixed on spreader A, the upper end setting friction inclined-plane A of inclined-plane slide plate A, lower surface setting and the friction inclined-plane of support platform
What A was matched concave face A, friction inclined-plane A and the face A frictional connection that concaves, the lower end of inclined-plane slide plate B are fixed on spreader B,
Upper end setting friction inclined-plane B, the face B that concaves that the lower surface setting of support platform is matched with friction inclined-plane B of inclined-plane slide plate B,
Friction inclined-plane B and the face B frictional connection that concaves.
Preferably, which further includes sliding slot C, slide bar C, sliding slot D and slide bar D, and the lower surface of spreader A is set
The sliding slot C matched with slide bar C is set, one end of slide bar C is fixed on pedestal, and the other end and sliding slot the C sliding of slide bar C connects
It connects, slide bar C is parallel with rotating direction of the idler wheel A on roller groove A in the glide direction in sliding slot C, the lower surface setting of spreader B
The sliding slot D matched with slide bar D, one end of slide bar D are fixed on pedestal, and the other end and sliding slot the D sliding of slide bar D connects
It connects, slide bar D is parallel with rotating direction of the idler wheel B on roller groove B in the glide direction in sliding slot D.
Preferably, which further includes air inlet pipe A and breather check valve, and one end of air inlet pipe A, which is connected to, lives
Chamber is filled in, the other end of air inlet pipe is connected to outside air, and setting makes air inlet pipe can only be toward the air inlet list of plunger shaft air inlet in air inlet pipe
To valve.
Preferably, which further includes miniature inflation pump, baroceptor, air inlet pipe B and electric cabinet,
Miniature inflation pump, which includes that air pump air inlet is gentle, pumps out port, and air pump gas outlet is connected to plunger shaft, plunger shaft by air inlet pipe B
Electric cabinet is set on interior setting baroceptor, batter post B and/or traveller B.
Preferably, the pedestal, batter post A, batter post B, traveller A, traveller B are an integral structure.
The beneficial effects of the present invention are: the 1, damping effect with high intensity.2, when specifically used, for building waste point
It, can be by this operating position when some operating position of crushing and screening processing equipment or components being selected to need high-intensitive damping
Or the upper surface of support platform is arranged in components, can be fixed setting, is also possible to movable setting, at this point, support platform
When receiving downward pressure, friction can be forced if pressure still increases by carrying out the first damping by spring A and spring B
The friction inclined-plane A of connection and the friction inclined-plane B and the face B that concaves of concave face A and frictional connection make spreader by the extruding on inclined-plane
A and two spreader B do piston motion, to reach damping effect.3, glide direction and idler wheel A of the slide bar C being arranged in sliding slot C exist
Rotating direction on roller groove A is parallel and slide bar D is in the rolling of glide direction and idler wheel B on roller groove B in sliding slot D
Direction is parallel, plays the role of slide-and-guide, makes support platform that can only do damping campaign up and down, and be unable to maloperation or so rolling
Stability dynamic, that enhancing product uses.4, one end of air inlet pipe A is connected to plunger shaft, and the other end of air inlet pipe is connected to outside air,
Setting makes air inlet pipe can only be toward the breather check valve of plunger shaft air inlet, after damping, the air inlet of breather check valve in air inlet pipe
Make support platform that can automatically reset by the elastic force of spring A, spring B and spring C after buffering, in order to continue working
Middle damping.5, pedestal, batter post A, batter post B, traveller A, traveller B are an integral structure, and can facilitate processing, reach preferable use
Effect.6, air pump gas outlet is connected to plunger shaft by air inlet pipe B, and baroceptor is arranged in plunger shaft, passes through miniature inflation/deflation
The inflation to plunger shaft is pumped, realizes the condition to air pressure in plunger shaft, and then under different air pressures, damping effect may be implemented
Adjusting, make product have a variety of pressure shock-absorbing function.
Detailed description of the invention:
Fig. 1 is structural representation Fig. 1 of the invention.
Fig. 2 is the portion the A enlarged drawing of Fig. 1.
Fig. 3 is the portion the B enlarged drawing of Fig. 1.
Fig. 4 is structural representation Fig. 2 of the invention.
Specific embodiment:
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.
Referring to each figure, a kind of high-intensitive damping device for building waste sorting crushing and screening processing equipment, including it is oblique
Column A1, batter post B2, pedestal 3, traveller A4, traveller B5, sliding slot A6, sliding slot B7, spring A8, spring B 9, support platform 10, spreader
A11, spreader B12, piston rod 13, piston bush 14, inclined-plane slide plate A15, the face A16 that concaves, inclined-plane slide plate B17 and the face B18 that concaves, tiltedly
Column A1 and batter post B2 is symmetricly set on the two sides of pedestal 3, and the bottom end of batter post A1 is fixedly connected with the side of pedestal 3, the bottom of batter post B2
End is fixedly connected with the other side of pedestal 3, and the upper end of batter post A1 is fixedly connected with one end of traveller A4, and the upper end of batter post B2 is fixedly connected
One end of traveller B5, the lower surface setting of support platform 10 and the sliding slot A6 that matches of the traveller A4 other end and another with traveller B5
The sliding slot B7 to match is held, the other end of traveller A4 is slidably disposed in sliding slot A6, and the other end of traveller B5 is slidable
It is arranged in sliding slot B7, the other end end of traveller A4 is fixedly connected with the slot bottom of sliding slot A6 by spring A8, and traveller B5's is another
End end is fixedly connected with the slot bottom of sliding slot B7 by spring B 9, the axial line of traveller A4, the axial line of traveller B5, in spring A8
Heart line and the center line of spring B 9 are parallel with plumb line respectively, pedestal 3, batter post A1, batter post B2, traveller A4, traveller B5 and support
The group of platform 10 is encircled into a damping chamber 19, and in damping chamber 19, the rolling groove matched with idler wheel A24 is arranged on batter post A1
A20, idler wheel A24 are rotatable to be arranged on rolling groove A20, and the rolling groove B21 matched with idler wheel B25 is arranged on batter post B2,
Idler wheel B25 is rotatable to be arranged on rolling groove B21, and one end of spreader A11 is spindle rotationally arranged in idler wheel by shaft A22
On A24, one end of spreader B12 is spindle rotationally arranged on idler wheel B25 by shaft B23, and piston is arranged in the other end of spreader A11
Chamber 34, the other end of spreader B12 are fixedly connected with one end of piston rod 13, and the other end of piston rod 13 is arranged to match with plunger shaft 34
The piston bush 14 of conjunction, piston rod 13 are connect by piston bush 14 with 34 piston of plunger shaft, and the other end end of piston rod 13 passes through
Spring C26 is fixedly connected with plunger shaft 34, and the center line of spring C26 and the axial line of piston rod 13 are parallel with horizontal line respectively,
The lower end of inclined-plane slide plate A15 is fixed on spreader A11, the upper end setting friction inclined-plane A27 of inclined-plane slide plate A15, and support is flat
The face A16 that concaves that the lower surface setting of platform 10 is matched with friction inclined-plane A27, friction inclined-plane A27 and the face A16 friction that concaves connect
It connects, the lower end of inclined-plane slide plate B17 is fixed on spreader B12, the upper end setting friction inclined-plane B of inclined-plane slide plate B17, and support is flat
The face B18 that concaves that the lower surface setting of platform 10 is matched with friction inclined-plane B40, friction inclined-plane B40 and the face B18 friction that concaves connect
It connects.
Preferably, which further includes sliding slot C28, slide bar C29, sliding slot D30 and slide bar D31, spreader A11
Lower surface the sliding slot C28 that matches with slide bar C29 is set, one end of slide bar C29 is fixedly installed on the base, slide bar C29's
The other end is slidably connected with sliding slot C28, and slide bar C29 is in the rolling of glide direction and idler wheel A24 on roller groove A in sliding slot C28
Dynamic direction is parallel, and the sliding slot D30 matched with slide bar D31, one end fixed setting of slide bar D31 is arranged in the lower surface of spreader B12
On the base 3, the other end of slide bar D31 is slidably connected with sliding slot D30, glide direction and idler wheel of the slide bar D31 in sliding slot D30
Rotating direction of the B25 on roller groove B is parallel.
Preferably, which further includes air inlet pipe A32 and breather check valve 33, one end of air inlet pipe A32
Be connected to plunger shaft 34, the other end of air inlet pipe is connected to outside air, in air inlet pipe setting make air inlet pipe can only toward plunger shaft 34 into
The breather check valve 33 of gas.
Preferably, the high intensity damping device further include miniature inflation pump 35, baroceptor 36, air inlet pipe B37 and
Electric cabinet 38, miniature inflation pump 35, which includes that air pump air inlet 41 is gentle, pumps out port 42, and air pump gas outlet passes through air inlet pipe B37
It is connected to plunger shaft 34, baroceptor 36 is set in plunger shaft 34, electric cabinet 38 is set on batter post B2 and/or traveller B5, it is automatically controlled
Also settable display screen 39 on case 28, to show that baroceptor 36 measures the air pressure in plunger shaft 34, for use in knowing
Air pressure is adjusted to use.
Preferably, pedestal 3, batter post A1, batter post B2, traveller A4, traveller B5 are an integral structure.
The end edge position of the spreader B12 other end is arranged the rigidized cover 43 for increasing support degree, and 43 sets of rigidized cover
It is located on the lateral surface of spreader A11, steel ball card hole 44 is arranged in the inside portion of rigidized cover 43, and card sets rolling steel ball in steel ball card hole 44
45, rigidized cover 43 is flexibly connected by rolling steel ball with spreader A11.
When in use:
1, with high-intensitive damping effect.
2, some operating position or components when specifically used, for building waste sorting crushing and screening processing equipment
When needing high-intensitive damping, this operating position or components can be arranged in the upper surface of support platform 10, can be solid
Fixed setting, is also possible to movable setting, at this point, support platform 10 when receiving downward pressure, passes through spring A8 and spring B 9
The first damping is carried out, if pressure still increases, the friction inclined-plane A27 of frictional connection can be forced and the face A16 that concaves, and rub
The friction inclined-plane B and the face B18 that concaves of wiping connection make spreader A11 and two spreader B12 do piston motion by the extruding on inclined-plane, to reach
To damping effect.
3, the slide bar C29 being arranged is flat in the rotating direction of glide direction and idler wheel A24 on roller groove A in sliding slot C28
Capable and slide bar D31 is parallel with rotating direction of the idler wheel B25 on roller groove B in the glide direction in sliding slot D30, plays cunning
The effect of action-oriented makes support platform 10 that can only do damping campaign up and down, and is unable to maloperation double swerve, and enhancing product uses
Stability.
4, one end of air inlet pipe A32 is connected to plunger shaft 34, and the other end of air inlet pipe is connected to outside air, is arranged in air inlet pipe
Make air inlet pipe can only be toward the breather check valve 33 of 34 air inlet of plunger shaft, after damping, the air inlet of breather check valve 33 makes to support
Platform 10 can be automatically reset after buffering by the elastic force of spring A8, spring B 9 and spring C26, in order to continue working
Middle damping.
5, pedestal 3, batter post A1, batter post B2, traveller A4, traveller B5 are an integral structure, and can facilitate processing, reach preferable
Using effect.
6, air pump gas outlet is connected to plunger shaft 34 by air inlet pipe B37, and baroceptor 36 is arranged in plunger shaft 34, passes through
The condition to air pressure in plunger shaft 34 is realized in inflation of the miniature inflation pump 35 to plunger shaft 34, and then under different air pressures,
The adjusting that damping effect may be implemented makes product have the shock-absorbing function of a variety of pressure.
In figure, description positional relationship only for illustration, should not be understood as the limitation to this patent；Obviously, this hair
Bright the above embodiment is merely an example for clearly illustrating the present invention, and is not to embodiments of the present invention
It limits.For those of ordinary skill in the art, other different forms can also be made on the basis of the above description
Variation or variation.There is no necessity and possibility to exhaust all the enbodiments.It is all the spirit and principles in the present invention it
Any modifications, equivalent replacements, and improvements made by interior etc., should all be included in the scope of protection of the claims of the present invention.
Claims (5)
1. a kind of high-intensitive damping device for building waste sorting crushing and screening processing equipment, it is characterised in that: including oblique
Column A, batter post B, pedestal, traveller A, traveller B, sliding slot A, sliding slot B, spring A, spring B, support platform, spreader A, spreader B, piston
Bar, piston bush, inclined-plane slide plate A, the face A that concaves, inclined-plane slide plate B, the face B that concaves, shaft A, shaft B, idler wheel A, idler wheel B and spring C,
Batter post A and batter post B is symmetricly set on the two sides of pedestal, and the bottom end of batter post A is fixedly connected with the side of pedestal, and the bottom end of batter post B is solid
Surely the other side of pedestal is connected, the upper end of batter post A is fixedly connected with one end of traveller A, and the upper end of batter post B is fixedly connected with traveller B's
One end, lower surface setting and the traveller A other end sliding slot A to match and the cunning to match with the traveller B other end of support platform
Slot B, the other end of traveller A are slidably disposed in sliding slot A, and the other end of traveller B is slidably disposed in sliding slot B, sliding
The other end end of column A is fixedly connected with the slot bottom of sliding slot A by spring A, and the other end end of traveller B connects by the way that spring B is fixed
Connect the slot bottom of sliding slot B, the axial line of traveller A, the axial line of traveller B, the center line of spring A and spring B center line respectively with
Plumb line is parallel, pedestal, batter post A, batter post B, traveller A, traveller B and support platform group be encircled into a damping chamber, described
Damping is intracavitary, and the rolling groove A matched with idler wheel A is arranged on batter post A, and idler wheel A is rotatable to be arranged on rolling groove A, batter post B
Upper that the rolling groove B matched with idler wheel B is arranged, idler wheel B is rotatable to be arranged on rolling groove B, and one end of spreader A passes through shaft
A is spindle rotationally arranged on idler wheel A, and one end of spreader B is spindle rotationally arranged on idler wheel B by shaft B, and spreader A's is another
End setting plunger shaft, the other end of spreader B are fixedly connected with one end of piston rod, and the other end of piston rod is arranged to match with plunger shaft
The piston bush of conjunction, piston rod are connect by piston bush with plunger shaft piston, and the other end end of piston rod passes through spring C and piston
Chamber is fixedly connected, and the center line of spring C and the axial line of piston rod are parallel with horizontal line respectively, and the lower end of inclined-plane slide plate A is fixed
It is arranged on spreader A, the upper end setting friction inclined-plane A of inclined-plane slide plate A, lower surface setting and the friction inclined-plane A phase of support platform
The face A that concaves of cooperation, friction inclined-plane A and the face A frictional connection that concaves, the lower end of inclined-plane slide plate B are fixed on spreader B, tiltedly
The upper end setting friction inclined-plane B of face slide plate B, the lower surface of support platform is arranged the face B that concaves matched with friction inclined-plane B, rubs
Wipe inclined-plane B and the face B frictional connection that concaves.
2. the high-intensitive damping device according to claim 1 for building waste sorting crushing and screening processing equipment,
Be characterized in that: the high intensity damping device further includes sliding slot C, slide bar C, sliding slot D and slide bar D, and the lower surface of spreader A is arranged and slides
The sliding slot C that bar C is matched, one end of slide bar C are fixed on pedestal, and the other end and the sliding slot C of slide bar C is slidably connected, sliding
Bar C is parallel with rotating direction of the idler wheel A on roller groove A in the glide direction in sliding slot C, and the lower surface of spreader B is arranged and slides
The sliding slot D that bar D is matched, one end of slide bar D are fixed on pedestal, and the other end and the sliding slot D of slide bar D is slidably connected, sliding
Bar D is parallel with rotating direction of the idler wheel B on roller groove B in the glide direction in sliding slot D.
3. the high-intensitive damping device according to claim 1 for building waste sorting crushing and screening processing equipment,
Be characterized in that: the high intensity damping device further includes air inlet pipe A and breather check valve, and one end of air inlet pipe A is connected to plunger shaft, into
The other end of tracheae is connected to outside air, and setting makes air inlet pipe can only be toward the breather check valve of plunger shaft air inlet in air inlet pipe.
4. the high-intensitive damping device according to claim 1 for building waste sorting crushing and screening processing equipment,
Be characterized in that: the high intensity damping device further includes miniature inflation pump, baroceptor, air inlet pipe B and electric cabinet, miniature to fill
Air exhaust pump, which includes that air pump air inlet is gentle, pumps out port, and air pump gas outlet is connected to plunger shaft, setting in plunger shaft by air inlet pipe B
Electric cabinet is set on baroceptor, batter post B and/or traveller B.
5. the high-intensitive damping device for building waste sorting crushing and screening processing equipment according to claim 1, feature
Be: the pedestal, batter post A, batter post B, traveller A, traveller B are an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710834097.XA CN107606039B (en) | 2017-09-15 | 2017-09-15 | High-intensitive damping device for building waste sorting crushing and screening processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710834097.XA CN107606039B (en) | 2017-09-15 | 2017-09-15 | High-intensitive damping device for building waste sorting crushing and screening processing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107606039A CN107606039A (en) | 2018-01-19 |
| CN107606039B true CN107606039B (en) | 2019-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710834097.XA Active CN107606039B (en) | 2017-09-15 | 2017-09-15 | High-intensitive damping device for building waste sorting crushing and screening processing equipment |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1446383A2 (en) * | 1987-06-04 | 1988-12-23 | Пермское Высшее Военное Командно-Инженерное Краснознаменное Училище Ракетных Войск Им.Маршала Советского Союза В.И.Чуйкова | Shock-absorbing device |
| CA2757307A1 (en) * | 2009-04-06 | 2010-10-14 | Messier-Bugatti-Dowty | Controlled-friction sliding device, such as a damper, which can operate in two directions |
| CN105299119A (en) * | 2015-12-02 | 2016-02-03 | 江苏理工学院 | Low-noise rolling friction shock absorber |
| RU2583406C1 (en) * | 2015-01-22 | 2016-05-10 | Олег Савельевич Кочетов | Spring vibration isolator with hinges for angular displacements |
| CN106311869A (en) * | 2016-10-13 | 2017-01-11 | 无锡市金武助剂厂有限公司 | Metal pipe processing punch with damping function |
| CN107061361A (en) * | 2017-06-07 | 2017-08-18 | 江苏恒康机电有限公司 | A kind of Environmental-protecting dust-removing explosion-proof centrifugal fan |
-
2017
- 2017-09-15 CN CN201710834097.XA patent/CN107606039B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1446383A2 (en) * | 1987-06-04 | 1988-12-23 | Пермское Высшее Военное Командно-Инженерное Краснознаменное Училище Ракетных Войск Им.Маршала Советского Союза В.И.Чуйкова | Shock-absorbing device |
| CA2757307A1 (en) * | 2009-04-06 | 2010-10-14 | Messier-Bugatti-Dowty | Controlled-friction sliding device, such as a damper, which can operate in two directions |
| RU2583406C1 (en) * | 2015-01-22 | 2016-05-10 | Олег Савельевич Кочетов | Spring vibration isolator with hinges for angular displacements |
| CN105299119A (en) * | 2015-12-02 | 2016-02-03 | 江苏理工学院 | Low-noise rolling friction shock absorber |
| CN106311869A (en) * | 2016-10-13 | 2017-01-11 | 无锡市金武助剂厂有限公司 | Metal pipe processing punch with damping function |
| CN107061361A (en) * | 2017-06-07 | 2017-08-18 | 江苏恒康机电有限公司 | A kind of Environmental-protecting dust-removing explosion-proof centrifugal fan |
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| Publication number | Publication date |
|---|---|
| CN107606039A (en) | 2018-01-19 |
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