CN214349220U - Interval-adjustable steel bar bending machine - Google Patents

Interval-adjustable steel bar bending machine Download PDF

Info

Publication number
CN214349220U
CN214349220U CN202022779820.9U CN202022779820U CN214349220U CN 214349220 U CN214349220 U CN 214349220U CN 202022779820 U CN202022779820 U CN 202022779820U CN 214349220 U CN214349220 U CN 214349220U
Authority
CN
China
Prior art keywords
column
sliding
bending
threaded
shell
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
Application number
CN202022779820.9U
Other languages
Chinese (zh)
Inventor
李朝阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Boxinlai Machinery Technology Co ltd
Original Assignee
Tianjin Boxinlai Machinery Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Boxinlai Machinery Technology Co ltd filed Critical Tianjin Boxinlai Machinery Technology Co ltd
Priority to CN202022779820.9U priority Critical patent/CN214349220U/en
Application granted granted Critical
Publication of CN214349220U publication Critical patent/CN214349220U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a steel bar bending machine with adjustable spacing, which belongs to the technical field of steel bar bending machines and comprises a cabinet, a cabinet door, a workbench, an elliptical shell, a fixing cover and a fixing mechanism, wherein the upper surface of the cabinet is fixedly connected with the workbench, the upper surface of the workbench is provided with the elliptical shell, an output shaft of the cabinet is fixedly connected with the lower surface of the elliptical shell, the center of the upper surface of the elliptical shell is fixedly connected with a central column, and the left side of the central column is provided with a bending column; the utility model discloses in, through setting up first pivot, first screw thread post and hand wheel, when the reinforcing bar of different diameters is bent the during operation as required, rotate the hand wheel to first pivot is driven rotatoryly, and then first screw thread post is rotatory and drive first screw cap and remove, thereby the piece on the surface of center post and the post of bending has obtained the clearance, has avoided the piece to adhere to the problem that influences the precision of bending on center post and the post of bending.

Description

Interval-adjustable steel bar bending machine
Technical Field
The utility model belongs to the technical field of steel bar bending machine, especially, relate to an adjustable interval's steel bar bending machine.
Background
Rebar bender is a machine that can bend the material, generally include manual bender and electronic bender, can bend the reinforcing bar into different shapes, in order to reach the effect that plays different uses in the environment of difference, but current bar bender exists between center post and the bending post rigidity can not change at will, thereby can not be to the work of bending of the reinforcing bar of arbitrary diameter, thereby cause application scope to receive the restriction, and current bender can be attached to center post and bending post after bending the reinforcing bar, the piece can influence the precision that the reinforcing bar was bent, current device is at the during operation of bending, it is supporting the reinforcing bar to need the staff, thereby waste time and energy and cause workman's intensity of labour to increase.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the steel bar bending machine with the adjustable interval is provided for solving the problems that the application range of the steel bar bending machine is limited due to the fact that the interval cannot be adjusted randomly in the prior art, and the bending precision is damaged due to the fact that chips are attached to the central column and the bending column.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a steel bar bending machine with adjustable spacing comprises a machine cabinet, a machine door, a workbench, an elliptical shell, a fixing cover and a fixing mechanism, wherein the workbench is fixedly connected to the upper surface of the machine cabinet, the elliptical shell is arranged on the upper surface of the workbench, an output shaft of the machine cabinet is fixedly connected with the lower surface of the elliptical shell, a central column is fixedly connected to the center of the upper surface of the elliptical shell, a bending column is arranged on the left side of the central column, a first bearing is connected to the right side surface of the inner wall of the elliptical shell in a clamping mode, a first rotating shaft is sleeved in the first bearing, a hand wheel is fixedly connected to one end of the right side of the first rotating shaft, a first threaded column is fixedly connected to one end of the left side of the first rotating shaft, a first threaded cap is connected to the outer surface of the first threaded column in a threaded manner, a first supporting column is fixedly connected to the front side and the back side of the first threaded cap, a first through hole is formed in the position, corresponding to the first threaded cap, on the upper surface of the inner wall of the elliptical shell, the front and the back of the inner wall of the first through hole are respectively provided with a first sliding chute, the two first sliding chutes are respectively connected with a first sliding block in a sliding manner, the two first sliding blocks are respectively and fixedly connected with the front side surface and the back side surface of the two first supporting columns, the upper surface of the first supporting column is fixedly connected with the lower surface of the moving block, the upper surface of the moving block is fixedly connected with the lower surface of the bending column, one end of the left side of the first threaded column is fixedly connected with a first bevel gear, the first bevel gear is meshed with a second threaded gear, the lower surface of the second threaded gear is fixedly connected with a second rotating shaft, the second rotating shaft is sleeved in a second bearing, the second bearing is clamped with the lower surface of the inner wall of the elliptical shell, the upper surface of the second threaded gear is fixedly connected with a second threaded column, the outer surface of the second threaded column is sleeved with a second threaded cap, the other end of the second threaded cap penetrates through the upper surface of the inner wall of the elliptical shell and extends to the outer side of the elliptical shell, the outer surface of center post and the post of bending is overlapped respectively and is equipped with first clean ring and the clean ring of second, the lower surface of first clean ring and the top fixed connection of second support column, the positive fixedly connected with telescopic link of first clean ring, the other end fixed connection of telescopic link is at the left surface of extension board, and extension board fixed connection is in the front of the clean ring of second, the back of oval casing is provided with fixed cover, and the second spout has been seted up to the workstation upper surface corresponding fixed cover's position, and sliding connection has the second slider in the second spout, the upper surface of second slider and the lower fixed surface fixed connection of fixed cover are provided with fixed establishment in the fixed cover.
As a further description of the above technical solution:
the fixed establishment includes the sliding sleeve of joint at fixed cover upper surface, and the quantity of sliding sleeve is three, is provided with the slide bar in the three sliding sleeve, and the outside cover of sliding sleeve is equipped with the spring, and the one end fixedly connected with of slide bar carries the arm-tie, and the last fixed surface of carrying the arm-tie is connected with and carries the handle, the both ends of spring respectively with the opposite face fixed connection of baffle and sliding sleeve, the bottom fixed connection of slide bar is at the upper surface of fixed plate.
As a further description of the above technical solution:
the bottom end of the fixing plate is fixedly connected with the silica gel pad.
As a further description of the above technical solution:
the front of the cabinet is hinged with a cabinet door through a hinge, and the front of the cabinet door is fixedly connected with a handle.
As a further description of the above technical solution:
the left side and the right side of the upper surface of the workbench are fixedly connected with handrails through bolts.
As a further description of the above technical solution:
the first sliding block and the first sliding groove are both T-shaped.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. in the utility model, by arranging the first rotating shaft, the first threaded column and the hand wheel, when the reinforcing steel bars with different diameters need to be bent, the hand wheel is rotated, so that the first rotating shaft is driven to rotate, and then the first threaded column rotates and drives the first threaded cap to move, so that the first supporting column can move, the first slider can be driven to move, the moving block can drive the bending column to move, at the same time, the reinforcing steel bars with different diameters can be put in, so that the reinforcing steel bars with different diameters can be bent, when the adjusting work is carried out, the first threaded column drives the first bevel gear to rotate, the second bevel gear is driven to rotate, so that the second threaded column is driven to rotate, and further the second threaded cap is driven to move, the second supporting column drives the first cleaning ring to move upwards, and the second cleaning ring can move together under the action of the telescopic rod, thereby the piece on the surface of center post and bending post has obtained the clearance, has avoided the piece to adhere to and influence the problem of the precision of bending on center post and the bending post.
2. The utility model discloses in, through setting up fixed cover and fixed establishment, when the workman need bend the reinforcing bar, will carry the pull handle upwards to stimulate, thereby carry the arm-tie and be driven the rebound, and then the slide bar is driven the rebound, the fixed plate and then also can carry and carry the rebound, place fixed cover with the reinforcing bar in, will carry the pull handle again and put down, thereby under the effect of spring, the slide bar is driven the rebound, the fixed plate just can carry out the fixed action to the reinforcing bar, again will fix the cover and move forward through the second slider this moment, at this moment, just can carry out bending work to the reinforcing bar, thereby make the workman need not fix the reinforcing bar with the hand for a long time, the intensity of labour of workman has been reduced, also avoided the workman because the inaccurate problem of the effect that the technique does not lead to bending.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a schematic structural view of a front cross section of a middle elliptical shell according to the present invention;
FIG. 3 is a schematic structural view of the top view of the worktable of the present invention;
FIG. 4 is a front view of the fixing cover of the present invention;
illustration of the drawings: 1. a cabinet; 2. a box door; 3. a work table; 4. an elliptical housing; 5. a first rotating shaft; 6. a first threaded post; 7. a first threaded cap; 8. a first support column; 9. a first bevel gear; 10. a second bevel gear; 11. a second rotating shaft; 12. a second threaded post; 13. a second threaded cap; 14. a second support column; 15. a central column; 16. bending the column; 17. a first cleaning ring; 18. a telescopic rod; 19. a moving block; 20. a fixed cover; 21. a first slider; 22. a fixing mechanism; 221. lifting the plate; 222. a spring; 223. a sliding sleeve; 224. a slide bar; 225. a fixing plate; 23. a handrail; 24. and a second slider.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a steel bar bending machine with adjustable spacing comprises a machine cabinet 1, a box door 2, a workbench 3, an elliptical shell 4, a fixing cover 20 and a fixing mechanism 22, wherein the workbench 3 is fixedly connected to the upper surface of the machine cabinet 1, the elliptical shell 4 is arranged on the upper surface of the workbench 3, an output shaft of the machine cabinet 1 is fixedly connected with the lower surface of the elliptical shell 4, a central column 15 is fixedly connected to the center of the upper surface of the elliptical shell 4, a bending column 16 is arranged on the left side of the central column 15, a first bearing is clamped on the right side surface of the inner wall of the elliptical shell 4, a first rotating shaft 5 is sleeved in the first bearing, a hand wheel is fixedly connected to one end of the right side of the first rotating shaft 5, a first threaded column 6 is fixedly connected to one end of the left side of the first rotating shaft 5, a first threaded cap 7 is connected to the outer surface of the first threaded column 6, and a first supporting column 8 is fixedly connected to the front surface and the back surface of the first threaded cap 7, the upper surface of the inner wall of the elliptic shell 4 is provided with first through holes corresponding to the positions of the first threaded caps 7, the front and the back of the inner wall of each first through hole are provided with first sliding grooves, the two first sliding grooves are connected with first sliding blocks 21 in a sliding manner, the first sliding blocks 21 and the first sliding grooves are both in a T shape, the moving block 19 can stably slide in the first sliding grooves without random shaking by arranging the T-shaped first sliding blocks 21, the two first sliding blocks 21 are respectively and fixedly connected with the front side surface and the back side surface of the two first supporting columns 8, the upper surface of the first supporting column 8 is fixedly connected with the lower surface of the moving block 19, the upper surface of the moving block 19 is fixedly connected with the lower surface of the bending column 16, and when reinforcing steel bars with different diameters need to be bent by arranging the first rotating shaft 5, the first threaded columns 6 and the hand wheel, the hand wheel is rotated, so that the first rotating shaft 5 is driven to rotate, and then the first threaded column 6 rotates and drives the first threaded cap 7 to move, so that the first support column 8 moves, the first slide block 21 is driven to move, the moving block 19 can drive the bending column 16 to move, and at the moment, reinforcing steel bars with different diameters can be placed in the bending column, so that the reinforcing steel bars with different diameters can be bent, a first bevel gear 9 is fixedly connected to one end of the left side of the first threaded column 6, the first bevel gear 9 is meshed with a second bevel gear 10, a second rotating shaft 11 is fixedly connected to the lower surface of the second bevel gear 10, the second rotating shaft 11 is sleeved in a second bearing, the second bearing is clamped to the lower surface of the inner wall of the elliptical shell 4, a second threaded column 12 is fixedly connected to the upper surface of the second bevel gear 10, a second threaded cap 13 is sleeved on the outer surface of the second threaded column 12, and a second support column 14 is fixedly connected to the outer surface of the second threaded cap 13, the other end of the second supporting column 14 penetrates through the upper surface of the inner wall of the elliptical shell 4 and extends to the outer side of the elliptical shell 4, when the adjustment work is carried out, the first threaded column 6 drives the first bevel gear 9 to rotate, the second bevel gear 10 is driven to rotate, the second threaded column 12 is driven to rotate, the second threaded cap 13 is driven to move, the second supporting column 14 drives the first cleaning ring 17 to move upwards, the second cleaning ring can move together under the action of the telescopic rod 18, so that the chips on the outer surfaces of the central column 15 and the bending column 16 are cleaned, the problem that the chips are attached to the central column 15 and the bending column 16 to affect the bending precision is avoided, the first cleaning ring 17 and the second cleaning ring are respectively sleeved on the outer surfaces of the central column 15 and the bending column 16, the lower surface of the first cleaning ring 17 is fixedly connected with the top end of the second supporting column 14, the front surface of the first cleaning ring 17 is fixedly connected with an expansion link 18, the other end of the expansion link 18 is fixedly connected with the left side surface of an extension plate, the extension plate is fixedly connected with the front surface of the second cleaning ring, the back surface of the elliptical shell 4 is provided with a fixed cover 20, the upper surface of the workbench 3 is provided with a second sliding groove corresponding to the position of the fixed cover 20, the second sliding groove is connected with a second sliding block 24 in a sliding manner, the upper surface of the second sliding block 24 is fixedly connected with the lower surface of the fixed cover 20, the fixed cover 20 is internally provided with a fixed mechanism 22, the fixed mechanism 22 comprises three sliding sleeves 223 clamped on the upper surface of the fixed cover 20, the number of the sliding sleeves 223 is three, sliding rods 224 are arranged in the three sliding sleeves 223, the outer sides of the sliding sleeves 223 are sleeved with springs 222, one end of the sliding rods 224 is fixedly connected with a lifting plate, and the upper surface of the lifting plate 221 is fixedly connected with a lifting handle, the two ends of the spring 222 are respectively and fixedly connected with the opposite surfaces of the baffle and the sliding sleeve 223, the bottom end of the sliding rod 224 is fixedly connected with the upper surface of the fixing plate 225, the lifting handle is pulled upwards by arranging the lifting plate 221, the spring 222 and the fixing plate 225, so that the lifting handle is driven to move upwards, the sliding rod 224 is driven to move upwards, the fixing plate 225 can also be lifted to move upwards, the reinforcing steel bar is placed in the fixing cover 20, the lifting handle is put down, the sliding rod 224 is driven to move downwards under the action of the spring 222, the fixing plate 225 can fix the reinforcing steel bar, the bottom end of the fixing plate 225 is fixedly connected with the silica gel pad, the fixing plate 225 can not damage the reinforcing steel bar when fixing the reinforcing steel bar by arranging the silica gel pad, the front surface of the cabinet 1 is hinged with the cabinet door 2 through the hinge, and the front surface of the cabinet door 2 is fixedly connected with the handle, the left side and the right side of the upper surface of the workbench 3 are fixedly connected with handrails 23 through bolts.
The working principle is as follows: when the bending machine is used, when a worker needs to bend reinforcing steel bars with different diameters, the lifting handle is pulled upwards, the lifting plate 221 is driven to move upwards, the sliding rod 224 is driven to move upwards, the fixing plate 225 can further lift the reinforcing steel bars to move upwards, the reinforcing steel bars are placed in the fixing cover 20, the lifting handle is put down, the sliding rod 224 is driven to move downwards under the action of the spring 222, the fixing plate 225 can fix the reinforcing steel bars, the fixing cover 20 is pushed forwards at the moment, then the hand wheel is rotated, the first rotating shaft 5 is driven to rotate, the first threaded column 6 rotates and drives the first threaded cap 7 to move, the first supporting column 8 moves, the moving block 19 can drive the bending column 16 to move, then the reinforcing steel bars with different diameters are placed between the central column 15 and the bending column 16, and when adjustment work is carried out, the first threaded column 6 drives the first bevel gear 9 to rotate, the second bevel gear 10 is driven to rotate, the second threaded column 12 is driven to rotate, the second threaded cap 13 is driven to move, the second supporting column 14 drives the first cleaning ring 17 to move upwards, the second cleaning ring can move together under the action of the telescopic rod 18, and then the chips on the outer surfaces of the central column 15 and the bending column 16 are cleaned.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The steel bar bending machine with the adjustable spacing comprises a machine cabinet (1), a box door (2), a workbench (3), an oval shell (4), a fixing cover (20) and a fixing mechanism (22), and is characterized in that the workbench (3) is fixedly connected to the upper surface of the machine cabinet (1), the oval shell (4) is arranged on the upper surface of the workbench (3), an output shaft of the machine cabinet (1) is fixedly connected with the lower surface of the oval shell (4), a central column (15) is fixedly connected to the center of the upper surface of the oval shell (4), a bending column (16) is arranged on the left side of the central column (15), a first bearing is connected to the right side surface of the inner wall of the oval shell (4) in a clamping mode, a first rotating shaft (5) is sleeved in the first bearing, a hand wheel is fixedly connected to one end of the right side of the first rotating shaft (5), a first threaded column (6) is fixedly connected to one end of the left side of the first rotating shaft (5), the outer surface of the first threaded column (6) is in threaded connection with a first threaded cap (7), the front side and the back side of the first threaded cap (7) are fixedly connected with first supporting columns (8), the upper surface of the inner wall of the elliptical shell (4) is provided with first through holes corresponding to the positions of the first threaded cap (7), the front side and the back side of the inner wall of each first through hole are provided with first sliding grooves, first sliding blocks (21) are connected in the two first sliding grooves in a sliding manner, the two first sliding blocks (21) are respectively and fixedly connected to the front side surface and the back side surface of each first supporting column (8), the upper surface of each first supporting column (8) is fixedly connected with the lower surface of a moving block (19), the upper surface of each moving block (19) is fixedly connected with the lower surface of a bent column (16), one end of the left side of each first threaded column (6) is fixedly connected with a first bevel gear (9), and the first bevel gear (9) is meshed with a second bevel gear (10), the lower surface of the second bevel gear (10) is fixedly connected with a second rotating shaft (11), the second rotating shaft (11) is sleeved in a second bearing, the second bearing is clamped with the lower surface of the inner wall of the elliptic shell (4), the upper surface of the second bevel gear (10) is fixedly connected with a second threaded column (12), the outer surface of the second threaded column (12) is sleeved with a second threaded cap (13), the outer surface of the second threaded cap (13) is fixedly connected with a second supporting column (14), the other end of the second supporting column (14) penetrates through the upper surface of the inner wall of the elliptic shell (4) and extends to the outer side of the elliptic shell (4), the outer surfaces of the central column (15) and the bending column (16) are respectively sleeved with a first cleaning ring (17) and a second cleaning ring, the lower surface of the first cleaning ring (17) is fixedly connected with the top end of the second supporting column (14), the front surface of the first cleaning ring (17) is fixedly connected with a telescopic rod (18), the other end fixed connection of telescopic link (18) is in the left surface of extension board, and extension board fixed connection is in the front of the clean ring of second, the back of oval casing (4) is provided with fixed cover (20), and the second spout has been seted up to the position that workstation (3) upper surface corresponds fixed cover (20), and sliding connection has second slider (24) in the second spout, and the upper surface of second slider (24) and the lower fixed surface of fixed cover (20) are connected, are provided with fixed establishment (22) in fixed cover (20).
2. The steel bar bending machine with the adjustable spacing according to claim 1, wherein the fixing mechanism (22) comprises three sliding sleeves (223) clamped on the upper surface of the fixing cover (20), sliding sleeves (223) are provided, sliding rods (224) are arranged in the three sliding sleeves (223), springs (222) are sleeved on the outer sides of the sliding sleeves (223), one ends of the sliding rods (224) are fixedly connected with lifting plates, lifting handles are fixedly connected to the upper surfaces of the lifting plates (221), two ends of each spring (222) are respectively fixedly connected with the opposite surfaces of the baffle and the corresponding sliding sleeve (223), and the bottom ends of the sliding rods (224) are fixedly connected to the upper surface of the fixing plate (225).
3. Interval-adjustable bending machine for reinforcing bars according to claim 2, wherein the bottom end of the fixing plate (225) is fixedly connected with a silicone pad.
4. The steel bar bending machine with the adjustable spacing according to claim 1, wherein a door (2) is hinged to the front face of the machine cabinet (1) through a hinge, and a handle is fixedly connected to the front face of the door (2).
5. Bending machine for steel bars with adjustable spacing according to claim 1, characterized in that the left and right sides of the upper surface of the worktable (3) are fixedly connected with armrests (23) through bolts.
6. Machine for bending bars with adjustable pitch according to claim 1, characterized in that said first slider (21) and first runner are both T-shaped.
CN202022779820.9U 2020-11-26 2020-11-26 Interval-adjustable steel bar bending machine Active CN214349220U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022779820.9U CN214349220U (en) 2020-11-26 2020-11-26 Interval-adjustable steel bar bending machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022779820.9U CN214349220U (en) 2020-11-26 2020-11-26 Interval-adjustable steel bar bending machine

Publications (1)

Publication Number Publication Date
CN214349220U true CN214349220U (en) 2021-10-08

Family

ID=77978719

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022779820.9U Active CN214349220U (en) 2020-11-26 2020-11-26 Interval-adjustable steel bar bending machine

Country Status (1)

Country Link
CN (1) CN214349220U (en)

Similar Documents

Publication Publication Date Title
CN209919642U (en) Mechanical design processing part
CN207696095U (en) A kind of water pipe cutter device at adjustable cutting sheet angle of inclination
CN111687803A (en) Fixing device is used in case and bag production
CN210754641U (en) Novel adjustable punching device for upper side plate
CN214349220U (en) Interval-adjustable steel bar bending machine
CN211218782U (en) Can collect photovoltaic support stand drilling equipment of waste material
CN216506388U (en) Limiting device for processing injection mold
CN212194874U (en) Strong stone carving strutting arrangement that can prevent to injure by a crashing object of stability
CN215239371U (en) Machining device for circular base of wind driven generator
CN214867725U (en) Mirror holder chamfering device
CN112058964B (en) Adjustable cable bridge punching and bending processing integrated machine
CN207746608U (en) Reversible deformation welding tooling
CN211992745U (en) Bearing press-in mechanism with guiding function
CN213858140U (en) Automobile part cutting device convenient for slag collection
CN212822320U (en) Reinforcing bar equipment of buckling that construction used
CN213437803U (en) Desktop type laser electric welding repair device with auxiliary positioning mechanism
CN210967843U (en) But height-adjusting's machining center frock platform
CN213133865U (en) Adjustable workpiece clamping device for gluing device
CN109746971B (en) Device is put in support special use of wallboard production
CN215394175U (en) Blade blank processingequipment with function is collected to piece
CN214836186U (en) Bottom support frame for petroleum mechanical drill
CN210791006U (en) Clamping device suitable for casting processing
CN216408268U (en) Adjustable fixed base for electromechanical device installation
CN215203508U (en) Telescopic workbench for precision laser plastic welding
CN212384709U (en) Section bar processing workstation for construction

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant