CN204974439U - High side multideck screen gear frame and high side multideck screen - Google Patents
High side multideck screen gear frame and high side multideck screen Download PDFInfo
- Publication number
- CN204974439U CN204974439U CN201520751949.5U CN201520751949U CN204974439U CN 204974439 U CN204974439 U CN 204974439U CN 201520751949 U CN201520751949 U CN 201520751949U CN 204974439 U CN204974439 U CN 204974439U
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- high side
- gear frame
- flange
- multideck screen
- side multideck
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Abstract
The utility model relates to and discloses a high side multideck screen gear frame and high side multideck screen, this high side multideck screen gear frame of is the box shape and includes roof (2), bottom plate (3) and two end plate (1), end plate (1) is including end plate body (11), top turn -ups (12) and bottom turn -ups (13), end plate (1) is passed through top turn -ups (12) with roof (2) bolted connection is and pass through the bottom turn -ups (13) with bottom plate (3) bolted connection. This high side multideck screen gear frame is connected through the form of giving first place to with bolted connection to roof, bottom plate and two end plates of forming the box shape are the monoblock board, and the feasible rigidity that strengthens the gear frame reduces the internal stress between each part, prolongs the life of high side multideck screen gear frame.
Description
Technical field
The utility model relates to a kind of gear frame, particularly, relates to a kind of high side multideck screen gear frame and high side multideck screen.
Background technology
High side multideck screen is one of production equipment important in pulverizing process.High side multideck screen normally drives screen box to move reciprocatingly or circular motion by transmission mechanism, makes, by the different sieve road of sieve lattice, the material of mixing to be carried out as requested sieve and get.
Usual transmission mechanism is arranged in gear frame, and gear frame is positioned at the centre position of high side multideck screen, to ensure high side multideck screen overall appearance size.Traditional high side multideck screen gear frame is spliced mainly through the mode of welding.More welding bead is there is between each parts of the high side multideck screen gear frame therefore spliced, because high side multideck screen gear frame is high side multideck screen stressed maximum parts in running, thus cause the bearing capacity of high side multideck screen gear frame and fatigue strength to reduce, and produce stress concentrate etc. phenomenon, especially very easily crack in the process of high side multideck screen operation, reduce the service life of high side multideck screen gear frame.
Utility model content
The purpose of this utility model is to provide a kind of high side multideck screen gear frame and high side multideck screen, strengthens the rigidity of high side multideck screen gear frame, reduces the internal stress between each parts, extends the service life of high side multideck screen gear frame.
To achieve these goals, according to one side of the present utility model, a kind of high side multideck screen gear frame is provided, this high side multideck screen gear frame is box shape and comprises top board, base plate and two end plates, described end plate comprises end plate body, top flange and bottom flange, described end plate is connected with described roof bolt by described top flange, and is connected with described bed bolt by described bottom flange.
Preferably, described end plate also comprises two side flangings, described top board comprises the top board side direction flange of turnover downwards, described base plate comprises the base plate side direction flange upwards turned down, and the described side flanging of described end plate breaks with described top board side direction flange and described base plate side direction flange respectively at top and bottom soldered connecing.
Preferably, the top flange width of described side flanging and bottom flange width are greater than the middle turning hem width degree of described side flanging.
Preferably, breaking with corresponding described top flange and described bottom flange soldered connecing respectively in the top of described side flanging and bottom, makes described end plate be formed as hypocrateriform.
Preferably, flange turnover in described top on the inner bottom surface of described top board, and described top flange and described top board is provided with the through connecting hole of alignment; Flange turnover in described bottom on the inner top surface of described base plate, and described bottom flange and described base plate is provided with the multiple through connecting hole of alignment.
Preferably, described high side multideck screen gear frame also comprises stiffener, and this stiffener is connected between the medial surface of described end plate body and the medial surface of described side flanging.
Preferably, described high side multideck screen gear frame also comprises the central dividing plate between two described end plates, this central dividing plate is identical with the structure of described end plate, is all bolted between the top flange of described central dividing plate and described top board and between the bottom flange of described central dividing plate and described base plate.
Preferably, the side of described high side multideck screen gear frame is provided with heel post, and this heel post aligns with the side of described central dividing plate, the top of described heel post and bottom respectively with described top board side direction flange and described base plate side direction flange.
Preferably, the top width of described heel post and bottom width are greater than described heel post pars intermedia width.
According to another aspect of the present utility model, additionally provide a kind of high side multideck screen, this high side multideck screen comprises transmission mechanism and screen box, described high side multideck screen also comprises described high side multideck screen gear frame, described transmission mechanism is arranged in described high side multideck screen gear frame, and described screen box is arranged on the both sides of described high side multideck screen gear frame.
Pass through technique scheme, high side multideck screen gear frame of the present utility model is by top board, the box shape that base plate and two end plates are formed, wherein top board, base plate and two end plates are entire plate, top flange on end plate and bottom flange are outwards turned down by the periphery of end plate to form, and top flange is connected with top board and base plate respectively by bolt with bottom flange, with prior art by welding compared with the high side multideck screen gear frame that is spliced, high side multideck screen gear frame of the present utility model decreases end plate self and end plate and the welding bead between top board and base plate, make the rigidity strengthening high side multideck screen gear frame, reduce the internal stress between each parts, extend the service life of high side multideck screen gear frame.
Other features and advantages of the utility model are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for description, is used from explanation the utility model, but does not form restriction of the present utility model with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the front view according to high side multideck screen gear frame in preferred embodiment of the present utility model;
Fig. 2 is the side view according to high side multideck screen gear frame in preferred embodiment of the present utility model;
Fig. 3 is the top view according to high side multideck screen gear frame in preferred embodiment of the present utility model;
Fig. 4 is the side view be connected with base plate according to the bottom flange of high side multideck screen gear frame in preferred embodiment of the present utility model;
Fig. 5 is the top view be connected with base plate according to the bottom flange of high side multideck screen gear frame in preferred embodiment of the present utility model.
Description of reference numerals
1 end plate 2 top board
3 base plate 4 bolts
The through connecting hole of 5 central dividing plate 6
7 stiffener 8 heel posts
11 end plate body 12 top flange
Flange 14 side flanging bottom 13
21 top board side direction flange 31 base plate side direction flange
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
In the utility model, when not doing contrary explanation, the noun of locality of use as " upper and lower " normally for direction shown in the drawings or for each parts mutual alignment relationship description word vertically, on vertical or gravity direction; " the flange width of side flanging " refers to the distance that two side flangings extend along the turnover direction of side flanging.
Fig. 1 to Fig. 5 shows a kind of high side multideck screen gear frame, this high side multideck screen gear frame is formed as box shape and comprises top board 2, base plate 3 and two end plates 1, end plate 1 comprises end plate body 11, top flange 12 and bottom flange 13, end plate 1 is connected with top board 2 bolt by top flange 12, and is connected with base plate 3 bolt by bottom flange 13.
Wherein, form the top board 2 of box shape, base plate 3 and two end plates 1 and be entire plate by laser cutting, the top flange 12 of end plate 1 and bottom flange 13 are formed by the homonymy turnover towards end plate 1 of the periphery of end plate 1, thus reduce the welding bead of end plate 1, enhance rigidity and the intensity of end plate 1; In addition, because the top flange 12 of end plate 1 is all connected by bolt 4 with between top board 2 and between bottom flange 13 with base plate 3, make compared with traditional high side multideck screen gear frame be spliced with welding manner, the gear frame of the box shape connected and composed by bolt 4 decreases welding position and welding bead, therefore ensure that bearing capacity and the fatigue strength of high side multideck screen gear frame, reduce the generation of internal stress, enhance the rigidity of high side multideck screen gear frame entirety, extend the service life of high side multideck screen gear frame.
In addition, because traditional high side multideck screen gear frame is spliced by welding, make comparatively to be difficult to ensure card high side multideck screen overall appearance size, thus affect the picture circle effect of high side multideck screen.And the high side multideck screen gear frame in the utility model is formed by connecting by bolt 4, less position is only had to need welding, therefore, it is possible to ensure overall apparent size, avoid owing to welding the distortion that causes and assembling difficult phenomenon owing to being out of shape the high side multideck screen gear frame caused with miscellaneous part, ensure that size and the assembly precision of high side multideck screen gear frame, further ensure the picture circle effect of high side multideck screen, improve operating efficiency and the screening quality of high side multideck screen.
End plate 1 is except being formed with top flange 12 and bottom flange 13, especially, end plate 1 also comprises two side flangings 14, top board 2 comprises the top board side direction flange 21 of turnover downwards, base plate 3 comprises the base plate side direction flange 31 upwards turned down, and the side flanging 14 of end plate 1 breaks with top board side direction flange 21 and base plate side direction flange 31 respectively at top and bottom soldered connecing.To be broken with top board side direction flange 21 and base plate side direction flange 31 respectively at top and bottom soldered connecing by the side flanging 14 of end plate 1, make to strengthen end plate 1 and the connection between top board 2 and base plate 3, the distortion avoiding end plate body 11, top board side direction flange 21 and base plate side direction flange 31 and the bolt 4 caused due to high side multideck screen circular motion loosen, and due to top flange 12 and two side flanging 14 common support top boards 2, make to reduce the pressure suffered by end plate body 11.
Especially, the top flange width of side flanging 14 and bottom flange width are greater than the middle turning hem width degree of side flanging 14.As shown in Figure 1, the top of side flanging 14 and bottom are similar trapezoidal shape, but the utility model is not limited thereto shape.Because the top flange width of side flanging 14 and bottom flange width are greater than the middle turning hem width degree of side flanging 14, the bonding area of the top of side flanging 14 and bottom and top board side direction flange 21 and base plate side direction flange 31 is increased, strengthens the connection of side flanging 14 top and bottom and top board side direction flange 21 and base plate side direction flange 31.
Especially, breaking with corresponding top flange 12 and bottom flange 13 soldered connecing respectively in the top of side flanging 14 and bottom, makes end plate 1 be formed as hypocrateriform.Top flange 12, solderedly to be connect by disconnected between bottom flange 13 and two side flangings 14, avoid the distortion of top flange 12 that the motion due to high side multideck screen causes and bottom flange 13, therefore reinforce the connection between top flange 12 and top board 2 and between bottom flange 13 and base plate 3 further, and then enhance rigidity and the intensity of end plate 1 and gear frame entirety.But the utility model is not limited thereto, hypocraterimorphous end plate 1 also can be structure as a whole part, namely top flange 12 and bottom flange 13 and two side flangings 14 one-body molded with end plate body 11, thus make end plate 1 not exist and be welded to connect, strengthen intensity and the rigidity of end plate 1 further.
Wherein, as seen from Figure 2, top flange 12, bottom flange 13 and two side flangings 14 around the part of end plate 1 be end plate body 11.As shown in Figure 1, end plate 11 is the whole plate of rectangular shape, and the periphery of end plate 1 is all towards the homonymy turnover 90 degree of end plate 1, and namely the flange of end plate 11 is all perpendicular to end plate body 11, and the flange of two end plates 1 is oppositely arranged.
For the ease of the maintenance of transmission mechanism, the utility model is also special has offered maintenance window on the end plate body 11 of end plate 1, and what show in fig. 2 is two through holes setting up and down in end plate body 11.This maintenance window carries out capping with thin plate usually, and when needing the thin plate overhauling time shift Kaifeng lid, maintainer can overhaul easily.
Especially, top flange 12 turns down on the inner bottom surface of top board 2, and top flange 12 and top board 2 are provided with the through connecting hole 6 of alignment; Bottom flange 13 turns down on the inner top surface of base plate 3, and bottom flange 13 and base plate 3 are provided with the through connecting hole 6 of alignment.Wherein, the lower surface that the inner bottom surface of top board 2 is top board 2 body shown in Fig. 1, the lower surface that the inner top surface of base plate 3 is base plate 3 body shown in Fig. 1.
The bottom flange 13 showing end plate 1 as Fig. 5 is provided with 7 through connecting holes 6 that two rows are interlocked, preferably through connecting hole 6 is circular hole, base plate 3 is provided with and the through connecting hole 6 one to one of the circular hole position on bottom flange 13, and top flange 12 and top board 2 have the structure same with bottom flange 13 and base plate 3.Through connecting hole 6 is divided into two rows to be crisscross arranged being the intensity for ensureing top flange 12 and bottom flange 13, avoids the fracture owing to connecting top flange 12 that stress causes and bottom flange 13.Wherein, through connecting hole 6 forms by laser cutting machine cutting, to increase the connection precision of gear frame.
The connection procedure of base plate 3 and bottom flange 13: the through connecting hole 6 on base plate 3 and bottom flange 13 is alignd one by one, through connecting hole 6 corresponding on base plate 3 and bottom flange 13 is passed successively again with bolt 4, sheathed bullet pad and plain cushion on bolt 4 subsequently, this bullet pad and plain cushion reduce the connection stress between base plate 3 and bottom flange 13 further, connect to form bolt finally by fastening nuts.Top board 2 is connected with the bolt of top flange 12 and connects identical with base plate 3 with the bolt of bottom flange 13.
In order to avoid the distortion of side flanging 14, especially, high side multideck screen gear frame also comprises stiffener 7, and this stiffener 7 is connected between the medial surface of end plate body 11 and the medial surface of side flanging 14.Wherein, the medial surface of end plate body 11 and the medial surface of side flanging 14 refer to the side being positioned at box shape, specifically see Fig. 1 and Fig. 2.In the utility model, as shown in Figure 2 and Figure 4, stiffener 7 is triangle stiffener, and this triangle stiffener is welded between end plate body 11 and side flanging 14, and perpendicular to end plate body 11.But the utility model is not limited thereto, stiffener 7 can also be other shapes, such as rectangle, trapezoidal etc., and two of stiffener 7 sides can also be resisted against on end plate body 11 and side flanging 14 respectively obliquely, and stiffener 7 surrounds triangular chamber with the medial surface of end plate body 11 and the medial surface of side flanging 14.Stiffener 7 be preferably arranged on end plate body 11 offers maintenance window between part and side flanging 14.
Screen box due to high side multideck screen is separated into multiple independently working cell, the such as high side multideck screen in 6 storehouses and 8 storehouses, make high side multideck screen gear frame longer, in order to improve the integral rigidity of gear frame, especially, high side multideck screen gear frame also comprises the central dividing plate 5 between two end plates 1, and this central dividing plate 5 is identical with the structure of end plate 1, the top flange of central dividing plate 5 with between top board 2 and the bottom flange of central dividing plate 5 be all connected by bolt 4 with between base plate 3.Central dividing plate 5 is arranged between two end plates 1, with roof supporting 2 between two end plates 1 and top board 3, thus improves the integral rigidity of gear frame.Because the structure of central dividing plate 5 is identical with the structure of end plate 1, just the position of central dividing plate 5 setting is different, and therefore central dividing plate 5 has all structures of above-described end plate 1, does not repeat them here.
Especially, the side of high side multideck screen gear frame is provided with heel post 8, and this heel post 8 aligns with the side of central dividing plate 5, and the top of heel post 8 and bottom are respectively welded to top board side direction flange 21 and base plate side direction flange 31.Because heel post 8 is arranged on the side of high side multideck screen gear frame, align with the side of central dividing plate 5 again, make to improve the integral rigidity of the gear frame being configured to box shape; Again because the top of heel post 8 and bottom are respectively welded to top board side direction flange 21 and base plate side direction flange 31, make to strengthen further the central dividing plate 5 be arranged between end plate 1, especially strengthen the whole box-structure of gear frame.
Especially, the top width of heel post 8 and bottom width are greater than the pars intermedia width of heel post 8.As shown in Figure 1, heel post 8 is triangular stud, and this triangular stud has the side flanging identical with end plate 1, and similar trapezoidal shape is also formed on the top of the side flanging of heel post 8 and bottom.The side flanging top of the heel post 8 of this trapezoidal shape and bottom make the bonding area increasing side flanging top and bottom and top board side direction flange 21 and base plate side direction flange 31, thus strengthen the side flanging top of heel post 8 and the connection of bottom and top board side direction flange 21 and base plate side direction flange 31.
In sum, the making of high side multideck screen gear frame and installation step: first, entire plate (such as steel plate) goes out two end plates 1 and top board 2 and base plate 3 by laser cutting, subsequently the periphery of two end plates 1 is outwards turned down 90 degree to form top flange 12, bottom flange 13 and side flanging 14, multiple stiffener 7 is welded between side flanging 14 with end plate body 11, then by top flange 12, between bottom flange 13 and side flanging 14 adjacent edge welding, make end plate 1 be formed as hypocrateriform.Simultaneously by the side of top board 2 and base plate 3 respectively to outer turnover 90 degree to form top board side direction flange 21 and base plate side direction flange 31, through connecting hole 6 is offered subsequently on top flange 12 and bottom flange 13, through connecting hole 6 also offered by top board 2 and the corresponding position of base plate 3, by bolt 4, end plate 1 is connected with top board 2 and base plate 3, with disconnected weldering, side flanging 14 top of end plate 1 is connected with top board side direction flange 21 and base plate side direction flange 31 with bottom again, this completes making and the assembling of high side multideck screen gear frame.
The screen box of high side multideck screen is separated into multiple independently working cell, and each unit is called 1 storehouse, therefore has the high side multideck screen in 4 storehouses, 6 storehouses and 8 storehouses.If the storehouse number of high side multideck screen is more, cause the length of gear frame longer, by identical step, multiple central dividing plate 5 and heel post 8 can be installed between two end plates 1 above, to improve the integral rigidity of high side multideck screen gear frame.
The utility model additionally provides a kind of high side multideck screen, and this high side multideck screen comprises transmission mechanism and screen box, and high side multideck screen also comprises high side multideck screen gear frame, and transmission mechanism is arranged in high side multideck screen gear frame, and screen box is linked to the both sides of high side multideck screen gear frame by crossbeam.
Under the channel-section steel that high side multideck screen is suspended on top by suspension rod fixing on the crossbeam of both sides or beam.The transmission mechanism of high side multideck screen is arranged on middle high side multideck screen gear frame, and usual gear frame is connected with bearing through bolt with transmission mechanism, and screen box is arranged on the both sides of high side multideck screen gear frame by crossbeam.
Wherein, transmission mechanism is motor, and motor is rotated by belt drive main shaft, main shaft is fixed with adjustable weighting block.Screen box is under the effect of the centrifugal force of the weighting block rotated, doing revolution transports to when moving to plateau, the centrifugal force that weighting block produces because of rotation just in time maintains centripetal force equal and opposite in direction required in revolution with whole high side multideck screen, direction is contrary, the centrifugal force that weighting block produces acts on gear frame by the bearing of main shaft, and then act on screen box, make screen box do gyration.
Visible, high side multideck screen gear frame is high side multideck screen stressed maximum parts in running, because high side multideck screen gear frame of the present utility model is the box shape connected and composed with bolt, make the rigidity strengthening high side multideck screen gear frame, reduce the internal stress between each parts, extend the service life of high side multideck screen gear frame.Thus improve the service efficiency of high side multideck screen, extend the service life of high side multideck screen.
Below preferred embodiment of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. a high side multideck screen gear frame, this high side multideck screen gear frame is box shape and comprises top board (2), base plate (3) and two end plates (1), it is characterized in that, described end plate (1) comprises end plate body (11), top flange (12) and bottom flange (13), described end plate (1) is connected with described top board (2) bolt by described top flange (12), and is connected with described base plate (3) bolt by described bottom flange (13).
2. high side multideck screen gear frame according to claim 1, it is characterized in that, described end plate (1) also comprises two side flangings (14), described top board (2) comprises the top board side direction flange (21) of turnover downwards, described base plate (3) comprises the base plate side direction flange (31) upwards turned down, the described side flanging (14) of described end plate (1) in top and bottom respectively with described top board side direction flange (21) with described base plate side direction flange (31) is disconnected soldered connects.
3. high side multideck screen gear frame according to claim 2, is characterized in that, the top flange width of described side flanging (14) and bottom flange width are all greater than the middle turning hem width degree of described side flanging (14).
4. high side multideck screen gear frame according to claim 2, it is characterized in that, the top of described side flanging (14) and bottom are disconnected soldered with corresponding described top flange (12) and described bottom flange (13) respectively to be connect, and makes described end plate (1) be formed as hypocrateriform.
5. high side multideck screen gear frame according to claim 2, it is characterized in that, described top flange (12) turnover on the inner bottom surface of described top board (2), and described top flange (12) and described top board (2) is provided with the through connecting hole (6) of alignment; Described bottom flange (13) turnover on the inner top surface of described base plate (3), and described bottom flange (13) and described base plate (3) is provided with the through connecting hole (6) of alignment.
6. high side multideck screen gear frame according to claim 2, it is characterized in that, described high side multideck screen gear frame also comprises stiffener (7), and this stiffener (7) is connected between the medial surface of described end plate body (11) and the medial surface of described side flanging (14).
7. high side multideck screen gear frame according to claim 2, it is characterized in that, described high side multideck screen gear frame also comprises the central dividing plate (5) between two described end plates (1), this central dividing plate (5) is identical with the structure of described end plate (1), the top flange of described central dividing plate (5) with between described top board (2) and the bottom flange of described central dividing plate (5) be all connected by bolt (4) with between described base plate (3).
8. high side multideck screen gear frame according to claim 7, it is characterized in that, the side of described high side multideck screen gear frame is provided with heel post (8), this heel post (8) aligns with the side of described central dividing plate (5), and the top of described heel post (8) and bottom are respectively welded to described top board side direction flange (21) and described base plate side direction flange (31).
9. high side multideck screen gear frame according to claim 8, is characterized in that, the top width of described heel post (8) and bottom width are greater than the pars intermedia width of described heel post (8).
10. a high side multideck screen, this high side multideck screen comprises transmission mechanism and screen box, it is characterized in that, described high side multideck screen also comprises high side multideck screen gear frame as claimed in any of claims 1 to 9, described transmission mechanism is arranged in described high side multideck screen gear frame, and described screen box is arranged on the both sides of described high side multideck screen gear frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520751949.5U CN204974439U (en) | 2015-09-25 | 2015-09-25 | High side multideck screen gear frame and high side multideck screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520751949.5U CN204974439U (en) | 2015-09-25 | 2015-09-25 | High side multideck screen gear frame and high side multideck screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204974439U true CN204974439U (en) | 2016-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520751949.5U Withdrawn - After Issue CN204974439U (en) | 2015-09-25 | 2015-09-25 | High side multideck screen gear frame and high side multideck screen |
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| Country | Link |
|---|---|
| CN (1) | CN204974439U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106552766A (en) * | 2015-09-25 | 2017-04-05 | 中粮工程装备（张家口）有限公司 | High side multideck screen gear frame and high side multideck screen |
-
2015
- 2015-09-25 CN CN201520751949.5U patent/CN204974439U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106552766A (en) * | 2015-09-25 | 2017-04-05 | 中粮工程装备（张家口）有限公司 | High side multideck screen gear frame and high side multideck screen |
| CN106552766B (en) * | 2015-09-25 | 2019-05-14 | 中粮工程装备（张家口）有限公司 | High side multideck screen gear frame and high side multideck screen |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160120 Effective date of abandoning: 20190514 |
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| AV01 | Patent right actively abandoned |