CN211338167U - Grey cloth storage equipment - Google Patents
Grey cloth storage equipment Download PDFInfo
- Publication number
- CN211338167U CN211338167U CN201922043128.7U CN201922043128U CN211338167U CN 211338167 U CN211338167 U CN 211338167U CN 201922043128 U CN201922043128 U CN 201922043128U CN 211338167 U CN211338167 U CN 211338167U
- Authority
- CN
- China
- Prior art keywords
- frame
- bearing roller
- rod
- main frame
- grey cloth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Treatment Of Fiber Materials (AREA)
Abstract
The utility model relates to a grey cloth storage equipment, including frame and the first bearing roller of setting in the frame, with rotate the tight device that supports of connecting a first bearing roller side of contradicting in the frame of first bearing roller terminal surface homonymy, support and have the fixed subassembly of latched position between tight device tip and the frame. The utility model discloses have and compress tightly grey cloth tip when grey cloth is decided and trade the receipts material axle, prevent that grey cloth tip from being pulled back the effect in the frame by the storage frame.
Description
Technical Field
The utility model belongs to the technical field of the technique of grey cloth production facility and specifically relates to a grey cloth storage equipment is related to.
Background
In the production process of the grey cloth, the produced grey cloth needs to be wound into a cloth roll for storage or transportation. The winding of the grey cloth is usually that one end is wound on a material receiving shaft, the material receiving shaft rotates to roll the grey cloth into a roll, the winding of the material receiving shaft is adapted to the speed of producing the grey cloth on a production line, and if the winding speed of the material receiving shaft is not matched with the production speed of the production line, the situation that the grey cloth is pulled or piled and wound occurs.
The utility model discloses a china utility model patent palace that has at present granted publication number CN208898213U discloses a storage equipment of flocking grey cloth, it includes the frame and sets up the guide roller in the frame top, the frame top is rotated and is connected a plurality of bearing rollers, it has gliding storage frame from top to bottom to be located in the frame of bearing roller below, be connected the balancing unit who makes storage frame slow motion in storage frame and the frame, rotate on the storage frame and connect a plurality of storage rollers, grey cloth rolls into the frame from the guide, encircle a few books backs relatively on storage roller and bearing roller, see off from the bearing roller top and receive the epaxial rolling of material, the storage frame is pulled up. When the grey cloth is cut off on the receiving shaft due to the change of the yardage roll, the storage rack returns to the original position and descends, the grey cloth which continuously enters the rack is leveled, and the time for the change of the receiving shaft is reserved.
However, the storage rack is lifted by the pulling force provided by the take-up shaft, when the gray fabric is cut, the gray fabric on the storage shaft loses the traction force, and in the process of descending and returning the storage rack, the cut end part of the gray fabric needs to be held by hands and is wound on a new take-up shaft, otherwise, the end part of the gray fabric can be drawn back into the rack due to the descending of the storage rack, which is not beneficial to the continuous operation of the production line, and the manual shaft changing operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a grey cloth storage equipment has and compresses tightly grey cloth tip when grey cloth is decided and trades the material axle, prevents that grey cloth tip from being pulled back the effect in the frame by the storage frame.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a grey cloth storage equipment, includes the frame and sets up the first bearing roller in the frame, with rotate on the frame of first bearing roller terminal surface homonymy and connect a support tight device of the first bearing roller side of contradicting, support and have the fixed subassembly in latched position between tight device tip and the frame.
Through adopting above-mentioned technical scheme, when grey cloth was decided and trade the receipts material axle, support tight device and support tight first bearing roller, press from both sides grey cloth tight on first bearing roller to fixed latch fitting fixed position makes and supports tight motionless under the condition that the people stirred. The end of the grey cloth is fixed and cannot be wound back into the rack, and meanwhile, the new cloth shaft is replaced by two hands of a liberation person.
The utility model discloses further set up to: the abutting device comprises a main frame which is rotatably connected with the frame, the main frame and the frame connecting end are located on one side, away from the discharging end of the storage equipment, of the first bearing roller, and the end part of the main frame is fixed with a clamping rod which is parallel to the axis of the first bearing roller.
Through adopting above-mentioned technical scheme, when grey cloth was decided and trade the receipts material axle, the rotation body frame, make it rotate to the direction that is close to first bearing roller, the chucking pole of body frame tip then along with the body frame motion to no longer continue the motion after the side of final conflict first bearing roller.
The utility model discloses further set up to: the fixed assembly comprises a spring telescopic rod and a first limiting part, the spring telescopic rod is rotatably connected to the center of the main frame, the first limiting part is arranged on the frame, the other end of the spring telescopic rod is rotatably connected to the frame, when the main frame abuts against the first limiting part, the clamping rod abuts against the first bearing roller.
Through adopting above-mentioned technical scheme, when grey cloth was decided and trade and receive the material axle, the chucking pole was contradicted behind the side of first bearing roller, and the spring telescopic link gives the downward power of the body frame of slope, makes the body frame atress and supports on first locating part more firmly, if there is not external force to stir, the chucking pole can not break away from the conflict to first locating part, and grey cloth is by the chucking between the lateral wall of chucking pole and first bearing roller.
The utility model discloses further set up to: the first locating part has the second locating part about spring telescopic link and the vertical line symmetry of the link place of frame, and when the body frame contradicts second locating part, the chucking pole hangs in the frame top.
Through adopting above-mentioned technical scheme, after the coiling mechanism was changed and is accomplished to receive the material axle, stir the body frame and rotate to the direction of keeping away from first bearing roller, the chucking pole is unsettled in the frame, makes the chucking pole break away from the conflict to first bearing roller, then does not have external force on the first bearing roller and supports tightly, and grey cloth then can be followed storage device's discharge gate and continued to be rolled into cloth by the coiling mechanism. When the main frame is abutted against the second limiting part, the spring telescopic rod gives a downward force to the inclined main frame, so that the main frame is stressed and more firmly abutted against the first limiting part.
The utility model discloses further set up to: the spring telescopic rod comprises a cylinder and a piston rod, the cylinder is rotatably connected with the rack, the piston rod is inserted into the cylinder and slides relatively, a third spring is sleeved on the piston rod, and two ends of the third spring respectively abut against the end part of the piston rod and the end part of the cylinder.
By adopting the technical scheme, the piston rod can relatively slide in the cylinder and can be elongated and contracted, the pulling length of the piston rod is changed according to the rotation of the main frame, and the third spring enables the piston rod and the cylinder to always keep elastic support when the main frame is stable, so that the pulling force is provided for the main frame.
The utility model discloses further set up to: the main frame is elastically connected with a pressing rod which presses the first bearing roller.
Through adopting above-mentioned technical scheme, when the chucking pole supports tightly on first bearing roller, support the depression bar and the chucking pole supports the side at first bearing roller the same ground, further stabilize grey cloth and make it no longer slide.
The utility model discloses further set up to: the two ends of the pressing rod are rotatably connected with the end part of the main frame through connecting rods, and the other end of the pressing rod is connected with the main frame through a fourth spring.
By adopting the technical scheme, when the clamping rod abuts against the upper side of the side surface of the first bearing roller, the abutting rod abuts against one side of the side surface of the first bearing roller, which is close to the discharge end of the material storage equipment, the connecting rod can rotate, and the abutting rod can be pulled to rotate together with the clamping rod and abut against the first bearing roller; the fourth spring makes to support and presses the pole and can connect pole and body frame link to rotate as the axle center to after confirming the position, the fourth spring gives and supports a pulling force of pressing the pole, makes it support tight first bearing roller.
The utility model discloses further set up to: the end part of the connecting rod is provided with a handle.
Through adopting above-mentioned technical scheme, the pulling supports and presses the pole and can stimulate whole tight device that supports, when adjusting to support tight device position, can directly fix the position of supporting the pole again, convenient operation.
To sum up, the utility model discloses a beneficial technological effect does:
1. the tight-supporting device tightly supports the first bearing roller, the gray fabric is tightly clamped on the first bearing roller, and the fixing position of the locking piece is fixed, so that the gray fabric cannot retract into the rack when being cut;
2. the abutting rod and the abutting pressing rod abut against the side face of the first bearing roller, the gray fabric is double and stable, and the operation is convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the balancing assembly of the present invention.
Fig. 3 is a schematic structural view of the tight supporting device for tightly supporting the first bearing roller when the gray fabric is cut.
Fig. 4 is an enlarged schematic view of a in fig. 3.
Figure 5 is a partial cross-sectional view of the spring compression bar of the present invention.
Fig. 6 is a schematic view showing the suspension structure of the tightening device during normal output and rolling of the grey cloth of the utility model.
Fig. 7 is an enlarged schematic view of B in fig. 6.
In the figure, 1, a frame, 11, a feeding end, 12, a discharging end, 13, a top layer frame, 131, a top plate, 14, a bottom layer frame, 2, a guide roller, 21, a support frame, 3, a bearing roller, 31, a first bearing roller, 4, a storage frame, 41, a first spring, 411, a bottom block, 42, a sliding component, 421, a pulley frame, 422, a pulley, 423, a second spring, 43, a storage roller, 5, a balancing component, 51, a balancing weight, 511, a main balancing weight, 512, a sub balancing weight, 52, a chain, 53, a rotating shaft, 54, a chain wheel, 55, a fixing block, 6, a butting device, 61, a main frame, 62, a clamping rod, 63, a fixing component, 631, a limiting component, 6311, a first limiting component, 6312, a second limiting component, 632, a spring telescopic rod, 6321, a cylinder, 6322, a piston rod, 6323, a third spring, 64, a butting rod, a connecting rod, 642, a fourth spring, 643, a mounting plate, 7. and 8, a handle and grey cloth.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to the figure 1, for the utility model discloses a grey cloth storage equipment, including frame 1, frame 1 sets up between the output of assembly line production facility and the coiling mechanism of assembly line, corresponds storage equipment's feed end 11 and discharge end 12 respectively, and grey cloth 8 gets into frame 1 from storage equipment's feed end 11, is seen off by storage equipment's discharge end 12.
The material storage equipment comprises a guide roller 2, a bearing roller 3, a pressing device 6 for clamping the bearing roller 3 and a material storage rack 4 which is arranged on the machine frame 1 and is in sliding connection with the machine frame 1. The guide roller 2 guides the grey cloth 8 conveyed from the feeding end 11 of the storage equipment to the storage rack 4, the grey cloth 8 is wound on the storage rack 4 and the bearing roller 3 back and forth, and finally the grey cloth is conveyed out from the discharging end 12 of the storage equipment. The storage equipment further comprises a balance assembly 5 arranged between the rack 1 and the storage rack 4, and the balance assembly 5 enables the storage rack 4 to keep stable when guiding the grey cloth 8 and simultaneously slows down the speed when returning and descending.
The frame 1 is a cuboid frame, and comprises an upper layer of horizontal frame and a lower layer of horizontal frame, namely a top layer frame 13 and a bottom layer frame 14. There are two vertical support frames 21 on top layer frame 13 top surface one side, and guide roller 2 passes through the bearing and rotates the connection on support frame 21, and the support frame 21 position is the feed end 11 of storage equipment promptly. Bearing roller 3 is by guide roller 2 position as the starting point along 1 length extending direction equidistance of frame and sets up the array, rotates through the bearing and connects in frame 1, and bearing roller 3 nearest apart from storage equipment discharge end 12 is first bearing roller 31.
Referring to fig. 6, when the blank fabric 8 is alternately wound around the storage roller 43 and the bearing roller 3 from the guide roller, the blank fabric 8 is finally discharged from above the first bearing roller 31, the take-up device gives tension to the blank fabric 8, and the tension applied to the blank fabric 8 also acts on the storage roller 43. The storage rack 4 is pulled up, the pulley 422 slides on the rack 1, and the second spring 423 buffers the slight left-right shaking of the storage rack 4, so that the storage rack is more stable; the gray fabric 8 is cut, the tension applied to the storage rack 4 is removed, and the elastic force of the first spring 41 returns the storage rack 4 downward.
Referring to fig. 1 and 2, a set of vertical top plates 131 is arranged at the bottom of the top layer frame 13, the balancing assembly 5 is fixed on the top plates 131 and the bottom layer frame 14, the balancing assembly 5 comprises a balancing weight 51, a chain 52 and a rotating shaft 53 which is respectively connected with the top plates 131 and the bottom layer frame 14 in a rotating mode, the rotating shaft 53 is axially identical to the bearing roller 3, a chain wheel 54 is respectively fixed at two ends of the rotating shaft, and the two chain wheels 54 which are located on the same side of the rack 1 are linked through the chain 52. The side wall of the material storage rack 4 on the same side with the chain wheel 54 is provided with a convex fixing block 55, the chain 52 penetrates through the fixing block 55 and is fixed, the chain 52 on the other side of the chain wheel 54 is fixed with a balancing weight 51, the balancing weight 51 comprises a main balancing weight 511 fixed with the chain 52 and an auxiliary balancing weight 512 stacked on the main balancing weight 511, the auxiliary balancing weight 512 is provided with an opening, and the opening is aligned with the chain 52 and is arranged on the main balancing weight 511. The winding device provides an upward force to the storage rack 4, the gravity of the balancing weight 51 acts on the storage rack 4 along with the turning direction of the chain 52, the upward force is provided to the storage rack 4, the resultant force provided by the winding device and the balancing weight 51 to the storage rack 4 is balanced with the gravity of the storage rack 4 and the resultant force of the elastic force of the first spring 41, and the storage rack 4 is stable and motionless when the gray fabric 8 is wound. If the balance is not balanced, the storage rack 4 is balanced by adjusting the number of the balancing weights 51.
When the grey cloth 8 is cut by the winding device, the upward force provided by the winding device to the storage rack 4 disappears, the storage rack 4 returns downwards due to gravity and the elastic force of the first spring 41, but the upward force of the counterweight 51 acting on the storage rack can slow the returning speed of the storage rack 4, the grey cloth 8 continuously enters from the feeding end 11 of the storage device, the distance between the storage rack 4 and the top rack 13 is increased due to the returning of the storage rack 4, the newly-fed grey cloth 8 is unfolded, and therefore buffer time is provided for the material changing and receiving shaft of the winding device.
Referring to fig. 3 and 4, the abutting device 6 is arranged on the top surface of the top layer frame 13 and comprises a main frame 61, a clamping rod 62 and a fixing component 63, one end of the main frame 61 is rotatably connected with the side wall of the top plate 131, and the connecting end of the main frame is located on one side of the first bearing roller 31, which is far away from the discharging end 12 of the storage device. The chucking rods 62 are axially identical to the bearing rollers 3 and are fixed to the other end of the main frame 61.
The fixing assembly 63 includes a limiting member 631 and a telescopic spring rod 632, wherein one end of the telescopic spring rod 632 is rotatably connected to the center of the main frame 61, and the other end thereof is rotatably connected to the sidewall of the top plate 131. Referring to fig. 5, the telescopic spring bar 632 includes a cylinder 6321 and a piston rod 6322 with an end inserted into the cylinder 6321, the piston rod 6322 protrudes and is closely attached to the inner wall of the cylinder 6321 and can slide relatively, and the piston rod 6322 is sleeved with a third spring 6323. The opening of the end of the cylinder 6321 is narrower than the inner wall of the opening, and two ends of the third spring 6323 are respectively clamped between the inner wall of the end of the opening of the cylinder 6321 and the end of the piston rod 6322, so that the piston rod 6322 can be extended and can return due to the elastic force of the third spring 6323.
The position-limiting member 631 includes a first position-limiting member 6311 and a second position-limiting member 6312. When the main frame 61 is rotated toward the first bearing roller 31 by using the hinge end of the main frame 61 and the top plate 131 as the axis, the first limit member 6311 located on the top plate 131 abuts against the side wall of the main frame 61, the first limit member 6311 is a cylinder whose axis is perpendicular to the side surface of the top plate 131, the side surface of the first limit member 6311 abuts against the main frame 61, so as to prevent the clamping rod 62 from continuing to rotate, and meanwhile, the spring expansion link 632 provides a downward force to the main frame 61, so that the clamping rod 62 abuts against the side surface of the first bearing roller 31 exactly and cannot slip. The second retaining member 6312 is located on the top plate 131, and is symmetrical to the first retaining member 6311 about a vertical straight line where the rotation connecting end of the main frame 61 and the top plate 131 is located. Referring to fig. 6 and 7, when the main frame 61 rotates towards the second position-limiting member 6312, the chucking rod 62 is disengaged from the first bearing roller 31, the main frame 61 abuts against the second position-limiting member 6312, the chucking device 6 is suspended above the frame 1, and the telescopic spring rod 632 provides a downward force to the main frame 61 so that the main frame cannot slip.
Referring to fig. 4 and 7, the main frame 61 is further provided with a pressing rod 64, the pressing rod 64 is parallel to the clamping rod 62, two ends of the pressing rod 64 are fixed with a connecting rod 641 and rotatably connected with the top end of the main frame 61, the connecting rod 641 inclines towards the discharging end 12 close to the material storage device, and the other end of the connecting rod 641 is fixed with a mounting plate 643 at the middle section of the main frame 61 through a fourth spring 642. A handle 7 is arranged on the connecting rod 641 on the axis of the pressing rod 64, the supporting rod can be shifted by holding the handle 7, and the main frame 61 is further pushed to slide back and forth, when the clamping rod 62 is clamped above the first bearing roller 31, the pressing rod 64 is clamped on the side of the first bearing roller 31, so that the grey cloth 8 is further bent and pressed tightly; when the chucking lever 62 is suspended and disengaged from the first bearing roller 31, the pressing lever 64 is also disengaged from the first bearing roller 31.
The implementation principle of the embodiment is as follows: when the grey cloth 8 is cut by the winding device, the handle 7 is held by a hand, the connecting rod 641 and the main frame 61 are pulled to be close to the first bearing roller 31, after the grey cloth 8 is rotated by a certain angle, the main frame 61 is abutted by the first limiting part 6311 and does not rotate any more, the abutting rod 64 and the clamping rod 62 are abutted to different positions of the side wall of the first bearing roller 31 respectively, the storage frame 4 slides downwards, and the piled grey cloth 8 is unfolded.
When the winding device winds the grey fabric 8 onto a new material collecting shaft again, the handle 7 is held by hand, the abutting and pressing rod 64 is lifted, the connecting rod 641 and the main frame 61 are pushed to be away from the first bearing roller 31, after the main frame 61 rotates for a certain angle, the main frame 61 is abutted by the second limiting part 6312 and does not rotate any longer, the compaction on the grey fabric 8 is released, and the grey fabric 8 continues to be wound.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The grey cloth storing device comprises a rack (1) and a first bearing roller (31) arranged on the rack (1), and is characterized in that a pressing device (6) which is abutted against the side face of the first bearing roller (31) is rotatably connected onto the rack (1) on the same side with the end face of the first bearing roller (31), and a fixing component (63) with a locking position is arranged between the end part of the pressing device (6) and the rack (1).
2. A grey cloth storing device according to claim 1, characterized in that the abutting device (6) comprises a main frame (61) rotatably connected with the frame (1), the connecting end of the main frame (61) and the frame (1) is arranged at the side of the first bearing roller (31) far away from the discharging end (12) of the storing device, and a clamping rod (62) parallel to the axis of the first bearing roller (31) is fixed at the end of the main frame (61).
3. The grey cloth storing device according to claim 1, wherein the fixing assembly (63) comprises a telescopic spring rod (632) rotatably connected to the center of the main frame (61) and a first limiting member (6311) arranged on the machine frame (1), the other end of the telescopic spring rod (632) is rotatably connected to the machine frame (1), and when the main frame (61) abuts against the first limiting member (6311), the clamping rod (62) abuts against the first bearing roller (31).
4. A blank storage device according to claim 3, wherein the first retaining member (6311) has a second retaining member (6312) symmetrical about the vertical line where the connecting end of the telescopic spring rod (632) and the frame (1) is located, and when the main frame (61) abuts against the second retaining member (6312), the clamping rod (62) is suspended above the frame (1).
5. The grey cloth storing device according to claim 4, wherein the spring telescopic rod (632) comprises a cylinder (6321) rotatably connected with the rack (1) and a piston rod (6322) inserted into the cylinder (6321) and sliding relatively, the piston rod (6322) is sleeved with a third spring (6323), and two ends of the third spring (6323) are respectively abutted between the end of the piston rod (6322) and the end of the cylinder (6321).
6. A blank storage device according to claim 2, wherein said main frame (61) is resiliently connected to a pressing bar (64) which presses against the first bearing roller (31).
7. The blank storing device according to claim 6, wherein both ends of the pressing rod (64) are rotatably connected with the end of the main frame (61) through a connecting rod (641), and the other end of the pressing rod (64) is connected with the main frame (61) through a fourth spring (642).
8. A blank storage apparatus according to claim 7, wherein said connecting rod (641) is provided with a handle (7) at the end thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922043128.7U CN211338167U (en) | 2019-11-23 | 2019-11-23 | Grey cloth storage equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922043128.7U CN211338167U (en) | 2019-11-23 | 2019-11-23 | Grey cloth storage equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211338167U true CN211338167U (en) | 2020-08-25 |
Family
ID=72090981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922043128.7U Active CN211338167U (en) | 2019-11-23 | 2019-11-23 | Grey cloth storage equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211338167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114348709A (en) * | 2021-12-22 | 2022-04-15 | 盐城中铭新材料有限公司 | Cloth stainless steel fiber cloth winding device and winding method |
-
2019
- 2019-11-23 CN CN201922043128.7U patent/CN211338167U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114348709A (en) * | 2021-12-22 | 2022-04-15 | 盐城中铭新材料有限公司 | Cloth stainless steel fiber cloth winding device and winding method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208932611U (en) | Cloth coiler | |
| CN211338167U (en) | Grey cloth storage equipment | |
| CN205526871U (en) | Cloth winding mechanism | |
| CN112478857A (en) | Coiling mechanism is used in textile production processing | |
| CN210236577U (en) | Tension self-correction type rewinding machine | |
| CN217263612U (en) | Film collecting mechanism of PVC film calender | |
| CN215287274U (en) | Finished product winding equipment is used in paper printing processing | |
| CN207981918U (en) | Veneer reeling machine | |
| CN211310312U (en) | Grey cloth storage equipment with support tight device | |
| CN210914547U (en) | A coiling mechanism for weaving carpet processing | |
| CN211393271U (en) | Weaving production is with cloth coiling mechanism convenient to remove | |
| CN220431693U (en) | Non-woven fabric winding machine with strong tightening force | |
| CN206156448U (en) | Printing machine | |
| CN209683058U (en) | Handbag paper string tensioning feeding device | |
| CN216548840U (en) | Feeding assembly of plastic lunch box cover production equipment | |
| CN217102318U (en) | Full-automatic reel laminating machine | |
| CN210311989U (en) | Rolling blowing stabilising arrangement of strip | |
| CN212891197U (en) | Film coating device | |
| CN216660465U (en) | Waterproof roll packaging production equipment | |
| CN205887703U (en) | Novel press from both sides and send device | |
| CN211617517U (en) | Be applied to pull rod structure of on-vehicle refrigerator | |
| CN215974177U (en) | Quick replacement gets acupuncture non-woven fabrics lapping closing device of putting | |
| CN220787583U (en) | PVC wall paper intelligent printing device | |
| CN212953992U (en) | Lifting device for construction of waterproof building materials | |
| CN212581136U (en) | Film rolling machine is with coiling mechanism of replacement rolling bearing of being convenient for |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |