CN110281197B - Multifunctional type simple dismounting device - Google Patents
Multifunctional type simple dismounting device Download PDFInfo
- Publication number
- CN110281197B CN110281197B CN201910673144.6A CN201910673144A CN110281197B CN 110281197 B CN110281197 B CN 110281197B CN 201910673144 A CN201910673144 A CN 201910673144A CN 110281197 B CN110281197 B CN 110281197B
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- side beam
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- close
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- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims 1
- 239000011521 glass Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The application particularly provides a specific structure of a multifunctional simple dismounting device. According to the technical scheme, through designing the structures of the main beam frame and the two side beam frames, the two side beam frames are utilized to move along the main beam frame to fix the parts to be disassembled (including but not limited to bearing seats), and then the bearing in the parts to be disassembled is ejected out by utilizing the ejection device on the main beam frame.
Description
Technical Field
The present disclosure relates generally to the field of glass manufacturing technology, and in particular, to a multifunctional simple disassembly device.
Background
Often need adopt a lot of large-scale fans or motors in the glass production line, when glass production line shut down, need dismantle large-scale fan or motor's bearing, current technical means is as follows:
One is: the hammer, chisel and other tools are used to cooperate with each other to apply external force to the bearing to be disassembled, so that the bearing to be disassembled is subjected to enough vibration external force to drop. The technical means is time-consuming and labor-consuming, and is easy to damage the bearing. And the second is: and applying a pulling force to the bearing to be disassembled by using a code pulling tool so as to enable the bearing to fall off through the code pulling hook. The technical means can only work on the bearing with small diameter, and the bearing is easy to damage when the bearing is installed too tightly.
In addition, design of a plurality of driving rollers is designed in the glass production line, and the driving rollers which are easy to generate in the roller way rotation process are tampered, if the driving rollers are required to reset, the rotating rollers are required to be stopped, the technical operation is time-consuming and labor-consuming, and the condition of stopping the rollers is not existed sometimes. In view of the foregoing, there is a need for improvement in the above-mentioned technical operation.
Disclosure of Invention
In view of the above-described drawbacks or shortcomings of the prior art, it is desirable to provide a multifunctional, simple disassembly device that enables easier and more convenient disassembly of bearings.
A multi-functional, simple disassembly device comprising: the main beam frame and two side beam frames arranged on the main beam frame; the main beam frame is provided with a jacking device; the two side beam frames are symmetrically distributed on two sides of the jacking device and can move along the main beam frames; the free ends of the beam frames at the two sides are respectively provided with a limiting part, and the two limiting parts extend towards the directions close to each other.
According to the technical scheme provided by the embodiment of the application, the main beam frame is also provided with the travel grooves symmetrically distributed on two sides of the jacking device; and one ends of the two side beam frames, which are close to the main beam frame, are respectively matched with the travel grooves on the corresponding sides of the two side beam frames and can move along the travel grooves.
According to the technical scheme provided by the embodiment of the application, one side of the two limiting parts, which is close to each other, is of a curved surface structure.
According to the technical scheme provided by the embodiment of the application, the device further comprises an independently arranged follow-up top block, wherein the follow-up top block comprises: the top core and the bearing sleeved on the side wall of the top core; the top core includes: the core head is fixedly connected to the center of the plate-type base; the bearing is sleeved on the side wall of the core head; further comprises: and the transmission sleeve is independently arranged and sleeved on the outer wall of the bearing.
According to the technical scheme provided by the embodiment of the application, through holes are respectively formed in one ends, close to the main beam frame, of the two side beam frames; and strip-shaped grooves corresponding to the through holes are symmetrically formed on the two side walls of each travel groove.
According to the technical scheme provided by the embodiment of the application, the side beam frame comprises: a first side beam matched with the main beam frame and a second side beam telescopically connected with the first side beam; and the free end of the second side beam is provided with a limiting part.
According to the technical scheme provided by the embodiment of the application, the two limiting parts are respectively connected with the protection gaskets on the sides close to each other.
According to the technical scheme provided by the embodiment of the application, the locking device further comprises an independently arranged locking component, wherein the locking component comprises: the U-shaped fixing part, the curved containing parts symmetrically fixedly connected to the two free ends of the fixing part and the locking parts symmetrically arranged at the free ends of the two containing parts; the free ends of the two locking parts can be locked.
According to the technical scheme provided by the embodiment of the application, a fastening component is further arranged on one side, relatively close to the accommodating part, of the fixing part, and the fastening component comprises: the fixing portion includes: the connecting plates are transversely arranged, and the transition plates are symmetrically arranged at two ends of the connecting plates; elastic elements are symmetrically arranged on one sides, close to each other, of the two transition plates, and fastening pieces are symmetrically arranged at the free ends of the two elastic elements.
According to the technical scheme provided by the embodiment of the application, one side, relatively close to the accommodating part, of the connecting plate is provided with a stop groove; and connecting blocks which can move along the stop grooves are arranged at one ends, relatively close to the accommodating parts, of the two fastening pieces.
In summary, the present application specifically provides a specific structure of a multifunctional simple dismounting device. According to the technical scheme, through designing the structures of the main beam frame and the two side beam frames, the two side beam frames are utilized to move along the main beam frame to fix the parts to be disassembled (including but not limited to bearing seats), and then the bearing in the parts to be disassembled is ejected out by utilizing the ejection device on the main beam frame.
In addition, in order to achieve the purpose of on-line reset of the driving roller, the technical scheme is also preferably provided with a follow-up jacking block, and in actual use, the follow-up jacking block is matched and connected with the free end of the jacking device so as to be matched with the driving roller for use, so that the driving roller is conveniently reset in a non-stop state.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of a multifunctional simplified dismounting device according to the application;
FIG. 1-1 is a view of the present application in use (the component to be disassembled is a bearing housing);
FIG. 2 is a schematic diagram of a multifunctional simple disassembling device (travel slot);
FIG. 2-1 is a schematic view of a multifunctional simplified disassembling device (first stroke sleeve) according to the present application;
fig. 2-2 is a schematic structural view of a multifunctional simple dismounting device (second stroke sleeve) according to the application;
FIG. 3 is a schematic view of a multifunctional simple disassembling device (bar slot) according to the present application;
FIG. 4 is a schematic diagram of the structure of the follower ejector according to the present application;
FIG. 4-1 is a state diagram of the use of the follower ejector;
FIG. 5 is a schematic view of a multifunctional simplified dismounting device (side frame is telescopic) according to the application;
FIG. 5-1 illustrates a first embodiment of the side frame according to the present application;
FIG. 5-2 illustrates a second embodiment of the present application in which the side frames are telescoping;
FIGS. 5-3 illustrate a third embodiment of the side frame of the present application in which the side frame is telescoping;
FIG. 6 is a schematic view of a locking assembly according to the present application;
FIG. 7 is a schematic view of the structure of the locking assembly (fastening tab) of the present application;
fig. 8 is a schematic view of the structure of the locking assembly (stopper groove) according to the present application.
Detailed Description
The application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the application are shown in the drawings.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
Please refer to a multifunctional simple dismounting device shown in fig. 1.
The multi-functional simple dismounting device comprises: a main beam 1 and two side beam frames 2 mounted on the main beam 1; the main girder frame 1 is provided with a jacking device 3; the two side beam frames 2 are symmetrically distributed on two sides of the jacking device 3 and can move along the main beam frame 1; the free ends of the two side beam frames 2 are respectively provided with a limiting part 21, and the two limiting parts 21 extend towards the directions approaching each other.
Wherein:
And the main beam frame plays a role in supporting a foundation.
The two side beam frames are arranged on the main beam frame and can move along the main beam frame, and based on the design, the distance between the two side beam frames is adjusted to enable the distance between the two side beam frames to be matched with the part to be disassembled.
Specifically, the free ends of the two side frames 2 are respectively provided with a limiting portion 21, and the two limiting portions 21 extend in directions approaching each other. Based on the design of two spacing portions, can utilize two spacing portions to treat to dismantle the part fixed when being close to each other by both sides roof beam frame in this embodiment to follow-up operation of roof pressure device is convenient for.
And the jacking device is fixed on the main beam frame, and when the two limiting parts fix the part to be disassembled, the bearing in the part to be disassembled can be taken out by driving the jacking device to act. Alternatively, the jacking device may be a hydraulic jack, or a micro jack. In actual use, the type of jack can be selected according to the size and type of the component to be disassembled.
Optionally, referring to fig. 1-1, the component to be disassembled may be a bearing seat 8, and the bearing seat is placed between two limiting parts to drive the pressing device to act, and the free end of the pressing device can take out the bearing in the bearing seat, so as to realize the function of disassembly.
Referring to fig. 2, optionally, to enable the two side beam frames to move along the main beam frame, the following structure is given in this embodiment:
The main beam frame 1 is also provided with travel grooves 11 symmetrically distributed on two sides of the jacking device 3; the two side beam frames 2 are respectively connected with the travel grooves 11 on the corresponding sides of the two side beam frames 2 at the ends close to the main beam frame 1 in a matching way, and can move along the travel grooves 11.
Based on the design, be equipped with the travel slot that can join in marriage the both sides roof beam frame on the main roof beam frame, put into the travel slot with the upper end of both sides roof beam frame, can make the two be close to each other or keep away from in order to change the interval between the two along the travel slot.
Referring to fig. 2-1, optionally, to enable the two side beam frames to move along the main beam frame, the following structure is also provided in this embodiment:
the two side beam frames are provided with first travel sleeves 24 at one ends relatively close to the main beam frames, and the first travel sleeves 24 can be sleeved on two ends of the main beam frames and move along the main beam frames.
Referring to fig. 2-2, optionally, to enable the two side beam frames to move along the main beam frame, the following structure is also provided in this embodiment:
The sliding grooves 13 are symmetrically formed in the side walls of the main beam frames, U-shaped second stroke sleeves 25 are arranged on one ends, relatively close to the main beam frames, of the two side beam frames, and the second stroke sleeves can be matched and connected onto the sliding grooves, so that the side beam frames can move along the main beam frames.
It should be noted that the connection manner between the main beam frame and the side beam frame is not limited to the above-mentioned several types, and any structure capable of realizing connection between the main beam frame and the side beam frame in the prior art may be applied to the present embodiment.
Referring to fig. 2, in any embodiment, a side of the two limiting portions 21, which is close to each other, is in a curved structure. In view of the fact that the bearing seat structure is mostly of a column type structure, the limit portion of the curved surface structure can be attached to the side wall of the bearing seat more highly, and the follow-up operation reliability is improved.
Referring to fig. 2, optionally, two sides of the limiting portions 21, which are close to each other, are respectively connected with a protection pad 211.
In order to avoid the damage of the limiting portions to the outer wall of the bearing, in this embodiment, two protecting gaskets 211 are specifically configured on the sides of the two limiting portions 21 that are close to each other.
Optionally, a plurality of particle protrusions can be further arranged on the protection gasket so as to increase friction force between the outer wall of the bearing seat and the protection gasket.
Referring to fig. 3, in any embodiment, through holes are respectively formed at one ends of the two side frames 2 near the main frame 1; the two side walls of each travel groove 11 are symmetrically provided with strip grooves 12 corresponding to the through holes.
In order to ensure that the spacing between the two side frames is fixed, the above structure is provided in this embodiment.
Based on the design of bar groove and the design of through-hole, in actual operation, will wait to dismantle the part fixed after two spacing portions, for the follow-up operation of the roof pressure device of being convenient for, can use outside independently configured bolt to run through the bar groove of one side in proper order, through-hole and the bar groove of opposite side, realize the fixed to both sides roof beam structure, and then with the fixed position of two spacing portions.
Referring to fig. 4, in view of the design of many driving rollers in the glass production line, the driving rollers are easy to tamper in the roller way rotation process, that is, tilt occurs between the driving rollers and the bearing seat, so that normal operation of the driving rollers cannot be ensured. To solve this technical problem, in this embodiment, the present invention further includes a follow-up top block 4 that is independently provided, the follow-up top block 4 includes: the top core 41 and the bearing 42 sleeved on the side wall of the top core 41; the top core 41 includes: a plate base 411 and a core 412 fixedly connected in the center of the plate base 411; the bearing 42 is sleeved on the side wall of the core head 412; further comprises: and a transmission sleeve 43 which is independently arranged and sleeved on the outer wall of the bearing 42.
In fig. 4, the plate base is adapted to mate with the free end of the jacking device. The core head is used for being matched with the bearing.
And the bearing is used as a transition part of the core head and the transmission sleeve.
The transmission sleeve is sleeved on the outer wall of the bearing and can rotate around the core head. The side wall of the roller close to the driving roller contacts with the driving roller and rotates with the roller.
Specifically, based on the design, the plate type base is fixedly connected with the free end of the jacking device.
Based on the design of two spacing portions, can utilize two spacing portions to fix the bearing frame when being close to each other by both sides roof beam frame in this embodiment to the follow-up operation of roof pressure device of being convenient for.
The jacking device is driven to drive the follow-up jacking block to approach the driving roller 30 until the driving sleeve is attached to the driving roller and rotates along with the driving sleeve.
With reference to fig. 4-1, under the above design, the rotation of the driving roller drives the driving sleeve to rotate, and further drives the bearing outer ring to rotate, so that no shutdown can be ensured. Under the action of the driving device, the core head is contacted with the inner wall of the transmission sleeve, and a reference base surface and an axial acting force are given to the transmission roller, so that the condition of normal operation between the transmission roller and the bearing seat can be realized without stopping the machine for resetting in view of the fact that the reference base surface is a plane.
Referring to fig. 5, in any embodiment, the side frame 2 includes: a first side member 22 coupled to the main beam frame 1 and a second side member 23 telescopically coupled to the first side member 22; the free end of the second side member 23 is provided with a stopper 21.
Considering that the actual working space is different, the structure of the side beam frame is improved, and the working space of the side beam frame can be extended or contracted along with the first side beam and the second side beam which can be connected in a telescopic way, so that the adaptability is higher.
Referring to fig. 5-1, optionally, a rotary telescopic connection may be between the first side beam and the second side beam, specifically, the first side beam is hollow and provided with an internal thread, one end of the second side beam, which is close to the first side beam, is provided with an external thread, the second side beam is placed in the first side beam, and the actual length of the side beam frame can be adjusted by rotating the second side beam.
Referring to fig. 5-2, of course, the second side beam may be hollow and provided with an internal thread, one end of the second side beam of the first side Liang Kaojin is provided with an external thread, the first side beam is placed into the second side beam, and the actual length of the side beam frame can be adjusted by rotating the second side beam.
Referring to fig. 5-3, optionally, the first side beam is hollow and has a plurality of pairs of through holes 26 distributed along the axial direction on the side wall, one end of the second side beam, which is relatively close to the first side beam, is provided with a through hole 27, the second side beam is placed into the first side beam, and the second side beam and the first side beam can be fixed by sequentially passing through the through holes on one side, the through holes on the other side and the through holes on the other side by using an external bolt, and the overall length of the side beam frame can be adjusted by adjusting the positions of the through holes.
It should be noted that the manner of telescopic connection between the first side member and the second side member is not limited to the above-mentioned several types, and any structure capable of realizing telescopic connection between the first side member and the second side member in the prior art may be applied to the present embodiment.
Referring to fig. 6, in any embodiment, the locking device further includes a separately disposed locking assembly, where the locking assembly includes: the U-shaped fixing part 5, curved containing parts 6 symmetrically fixedly connected to the two free ends of the fixing part 5 and locking parts 7 symmetrically arranged at the free ends of the two containing parts 6; the free ends of the two locking portions 7 can be locked.
When the length of the side frame is long, in order to enhance the bearing strength thereof and to further ensure that the limit portion can clamp the bearing seat, the above design is provided in this embodiment.
In this design, the fixed part is used for with the survey roof beam structure joint of one side to confirm the holistic mounted position of locking subassembly.
The accommodating part has two curved structures, so that the space between the two parts can reserve sufficient working space for the jacking device to prevent adverse effects on the jacking device.
The locking parts are two in number, and the free ends of the locking parts can be mutually locked although being separated from each other. The manner of locking between the two is not limited.
Referring to fig. 7, in any embodiment, a fastening assembly is further disposed on a side of the fixing portion 5 relatively close to the accommodating portion 6, and the fastening assembly includes: the fixing portion 5 includes: a connecting plate 51 arranged transversely and transition plates 52 symmetrically arranged at two ends of the connecting plate 51; elastic elements are symmetrically arranged on one sides of the two transition plates 52, which are close to each other, and fastening pieces 521 are symmetrically arranged at the free ends of the two elastic elements.
In order to prevent the sliding between the fixing part and the single-side beam measuring frame due to the size mismatch, a fastening assembly is specifically designed in the embodiment.
Based on the design, the beam measuring frame can be further clamped by the two fastening pieces.
Referring to fig. 8, in order to restrict the travel path of the fastening plate based on the design of the fastening assembly, in any embodiment, a stop slot 511 is provided on a side of the connecting plate 51 relatively close to the accommodating portion 6; the two fastening pieces 521 are provided with a connecting block which can move along the stop groove 511 at one end relatively close to the accommodating portion 6.
The above description is only illustrative of the preferred embodiments of the present application and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the application referred to in the present application is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present application (but not limited to) having similar functions are replaced with each other.
Claims (8)
1. The utility model provides a multi-functional plain type dismounting device which characterized in that:
comprising the following steps: a main beam frame (1) and two side beam frames (2) arranged on the main beam frame (1);
a jacking device (3) is arranged on the main girder frame (1); the two side beam frames (2) are symmetrically distributed on two sides of the jacking device (3) and can move along the main beam frame (1);
The free ends of the two side beam frames (2) are respectively provided with a limiting part (21), and the two limiting parts (21) extend towards the directions approaching each other;
Still include the locking subassembly of independent setting, locking subassembly includes: the U-shaped fixing part (5), curved containing parts (6) symmetrically fixedly connected to the two free ends of the fixing part (5) and locking parts (7) symmetrically arranged at the free ends of the two containing parts (6); the free ends of the two locking parts (7) can be locked;
The fixing part is used for being matched and connected with the side beam frame at one side so as to determine the integral installation position of the locking assembly; the space between the two accommodating parts can reserve a sufficient working space for the jacking device;
Still include follow-up kicking block (4) of independent setting, follow-up kicking block (4) include: the top core (41) and the bearing (42) sleeved on the side wall of the top core (41); the top core (41) comprises: a plate-type base (411) and a core head (412) fixedly connected to the center of the plate-type base (411); the bearing (42) is sleeved on the side wall of the core head (412);
further comprises: and the transmission sleeve (43) is independently arranged and sleeved on the outer wall of the bearing (42).
2. The multi-functional easy dismounting device of claim 1, wherein:
The main beam frame (1) is also provided with travel grooves (11) symmetrically distributed on two sides of the jacking device (3); one ends of the two side beam frames (2) close to the main beam frame (1) are respectively matched with the travel grooves (11) on the corresponding sides of the two side beam frames and can move along the travel grooves (11).
3. A multi-functional, simple disassembly device according to claim 1 or 2, characterized in that: one side of the two limiting parts (21) close to each other is of a curved surface structure.
4. A multi-functional, simple disassembly device according to claim 2, characterized in that: through holes are respectively formed in one end, close to the main beam frame (1), of each side beam frame (2); and strip-shaped grooves (12) corresponding to the through holes are symmetrically formed in the two side walls of each travel groove (11).
5. A multi-functional, simple disassembly device according to claim 1 or 2, characterized in that: the side frame (2) comprises: a first side beam (22) which is matched with the main beam frame (1) and a second side beam (23) which is connected with the first side beam (22) in a telescopic way; the free end of the second side beam (23) is provided with a limiting part (21).
6. A multi-functional, simple disassembly device according to claim 1 or 2, characterized in that: and the two limiting parts (21) are respectively matched with a protection gasket (211) on one side close to each other.
7. The multi-functional easy dismounting device of claim 1, wherein: one side of the fixing part (5) relatively close to the accommodating part (6) is also provided with a fastening component, and the fastening component comprises:
the fixing part (5) comprises: a connecting plate (51) which is transversely arranged and transition plates (52) which are symmetrically arranged at two ends of the connecting plate (51);
Elastic elements are symmetrically arranged on one sides, close to each other, of the two transition plates (52), and fastening pieces (521) are symmetrically arranged at the free ends of the two elastic elements.
8. The multi-functional easy dismounting device of claim 7, wherein: a stop groove (511) is formed in one side, relatively close to the accommodating part (6), of the connecting plate (51);
The two fastening pieces (521) are provided with connecting blocks which can move along the stop grooves (511) at one end relatively close to the accommodating part (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910673144.6A CN110281197B (en) | 2019-07-24 | 2019-07-24 | Multifunctional type simple dismounting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910673144.6A CN110281197B (en) | 2019-07-24 | 2019-07-24 | Multifunctional type simple dismounting device |
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| CN110281197A CN110281197A (en) | 2019-09-27 |
| CN110281197B true CN110281197B (en) | 2024-08-09 |
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| CN201910673144.6A Active CN110281197B (en) | 2019-07-24 | 2019-07-24 | Multifunctional type simple dismounting device |
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| JP2002206580A (en) * | 2001-01-10 | 2002-07-26 | Yamatake Corp | Spring housing device |
| CN2499181Y (en) * | 2001-10-25 | 2002-07-10 | 陈文� | Portable detachable rack |
| CN202645185U (en) * | 2011-12-23 | 2013-01-02 | 创斯达（南通）机电有限公司 | Safe case door bolt mechanism having self-locking function |
| CN204487112U (en) * | 2015-01-16 | 2015-07-22 | 江西稀有稀土金属钨业集团有限公司 | One draws a yard device |
| CN207207011U (en) * | 2017-09-08 | 2018-04-10 | 东莞市铭青五金模具有限公司 | A kind of injection mold of internal thread pot lid |
| CN109986503A (en) * | 2019-03-11 | 2019-07-09 | 杭州中德传动设备有限公司 | A kind of jack drawing horse device |
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|---|---|---|---|---|
| CN104853905A (en) * | 2012-12-14 | 2015-08-19 | 诺华股份有限公司 | Container for accommodating ophthalmic lens during lens treatment process |
| CN204171959U (en) * | 2014-09-18 | 2015-02-25 | 中国石油化工股份有限公司 | Multipurpose chest developer repaiied by pump |
| CN204508325U (en) * | 2014-12-23 | 2015-07-29 | 广西贵糖（集团）股份有限公司 | Rewinding machine reel plunger tip holding device |
| CN210616372U (en) * | 2019-07-24 | 2020-05-26 | 河北南玻玻璃有限公司 | Many functional type plain type dismounting device |
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| CN110281197A (en) | 2019-09-27 |
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