CN215146309U - Welding device for machining wall-attached frame rod - Google Patents
Welding device for machining wall-attached frame rod Download PDFInfo
- Publication number
- CN215146309U CN215146309U CN202120355733.2U CN202120355733U CN215146309U CN 215146309 U CN215146309 U CN 215146309U CN 202120355733 U CN202120355733 U CN 202120355733U CN 215146309 U CN215146309 U CN 215146309U
- Authority
- CN
- China
- Prior art keywords
- fixed mounting
- fixedly connected
- rod
- workstation
- wall
- 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
- 238000003466 welding Methods 0.000 title claims abstract description 37
- 238000003754 machining Methods 0.000 title description 2
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 230000000391 smoking effect Effects 0.000 claims description 17
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 8
- 239000003546 flue gas Substances 0.000 claims description 8
- 239000000779 smoke Substances 0.000 description 7
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000002341 toxic gas Substances 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model discloses a welding set is used in processing of attaching wall hack lever, comprises a workbench, the bottom fixedly connected with under casing of workstation, the inside fixed mounting of under casing has the mounting panel, the top fixed mounting of mounting panel has the rotating electrical machines, the top fixed mounting of rotating electrical machines has transmission, the bottom fixedly connected with sleeve of workstation, telescopic inside is passed through the bearing and is rotated with transmission and be connected, the top both sides fixed mounting of workstation has the curb plate, the inside of curb plate is rotated and is connected with the adapter sleeve. Through utilizing clamping device to rod-like attach the wall hack lever and carry out the centre gripping, drive transmission through control rotating electrical machines to the meshing rotates the fluted disc, and then drives the adapter sleeve and rotates, makes the centre gripping have and attaches wall hack lever clamping device to follow the rotation, thereby can realize having improved the welded security to attaching the rotation welding of wall hack lever, and the welded precision is higher, and efficiency is better.
Description
Technical Field
The utility model relates to an attach wall hack lever processing field, in particular to attach wall hack lever processing and use welding set.
Background
In the design field of construction elevators, a wall-attached frame is a key point in the overall design of the elevator, the wall-attached frame is a necessary condition for ensuring the stable rising of the whole guide rail frame, and the smooth rising of the guide rail frame can be ensured only by firm wall attachment, so that the stable running of the whole elevator is ensured, and the safety and the reliability of the design of the wall-attached frame are strictly ensured.
However, when the hack lever for processing the wall-attached frame is welded, the hack lever is in a rod shape, and the hack lever is manually rotated during welding, so that the welding machine is unsafe, low in precision and efficiency, harmful gas can be generated in the welding process, and operators who perform welding work for a long time are prone to harm to health due to the smoke.
SUMMERY OF THE UTILITY MODEL
To the problem of mentioning in the background art, the utility model aims at providing an attach welding set for hack lever processing to solve the problem of mentioning in the background art.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a welding device for processing a wall-attached rack rod comprises a workbench, wherein the bottom of the workbench is fixedly connected with a bottom box, the interior of the bottom box is fixedly provided with a mounting plate, the top of the mounting plate is fixedly provided with a rotating motor, the top of the rotating motor is fixedly provided with a transmission device, the bottom of the workbench is fixedly connected with a sleeve, the interior of the sleeve is rotatably connected with the transmission device through a bearing, two sides of the top of the workbench are fixedly provided with side plates, the interior of each side plate is rotatably connected with a connecting sleeve, one side of the connecting sleeve, which is close to the workbench, is fixedly connected with a fluted disc, the transmission device is meshed with the fluted disc, the left side of the connecting sleeve is fixedly connected with a clamping device, the back plate is fixedly connected with the rear end of the top of the workbench, the mounting frame is fixedly arranged on the front of the back plate, the front of the mounting frame is provided with a slide way, fixed mounting has flexible motor in the support body of mounting bracket, the bottom fixedly connected with slider of flexible motor, the slider slides in the spout, the positive fixed mounting of slider has the holding frame, the inside fixed mounting of holding frame has the welding machine aircraft nose, the positive fixed mounting of backplate has the flue gas filter cartridge, the bottom fixedly connected with smoking pump of flue gas filter cartridge, the bottom fixed mounting of smoking pump has coupling hose, coupling hose's tip fixed mounting has the smoking pipe, smoking pipe fixed mounting is in the both sides of welding machine aircraft nose.
Through adopting above-mentioned technical scheme, carry out the centre gripping to shaft-like wall hack lever through utilizing clamping device, through the transmission of control rotating electrical machines drive transmission, thereby the meshing rotates the fluted disc, and then drive the adapter sleeve and rotate, make the centre gripping have wall hack lever clamping device to follow the rotation, thereby can realize the rotation welding to wall hack lever, the welded security has been improved, the welded precision is higher, the efficiency is better, make the smoking pipe adsorb at the welding machine aircraft nose during operation through utilizing the start-up smoking pump, and filter through the flue gas filter box, thereby the harmful gas who wafts among the welding process has been reduced, the harm of toxic gas to the staff has been reduced.
Preferably, the transmission device comprises a driving gear and a connecting rod, the driving gear is fixedly connected to the right output shaft of the rotating motor, the connecting rod is sleeved in the sleeve, a transmission gear is fixedly mounted on a rod body of the connecting rod and meshed with the driving gear, driven gears are fixedly mounted at two ends of the connecting rod and meshed with the fluted disc.
Through adopting above-mentioned technical scheme, connect drive gear through the driving gear meshing to make the rotating electrical machines can drive the connecting rod and rotate when rotatory, thereby make driven gear follow the rotation, thereby rotate the fluted disc.
Preferably, the clamping device comprises a fixed block, the fixed block is fixedly connected to the side face, far away from the workbench, of the connecting sleeve, a threaded hole is formed in a block body of the fixed block, a threaded rod is connected to the inner thread of the threaded hole, a handle is fixedly connected to one end of the threaded rod, and a clamping assembly is fixedly connected to the other end of the threaded rod.
Through adopting above-mentioned technical scheme, make the threaded rod rotate at the screw hole internal thread through rotatory handle to make the centre gripping subassembly carry out the centre gripping to attaching the wall hack lever.
The preferred, the centre gripping subassembly includes the grip block, one side fixed mounting that the grip block kept away from the fixed block has buffer spring, buffer spring's tip fixed mounting has soft cushion, one side fixedly connected with balancing pole that the soft cushion is close to the fixed block, the jack has been seted up with the corresponding position of balancing pole to the side of grip block, contracts the balancing pole and pegs graft in the jack.
Through adopting above-mentioned technical scheme, cushion through buffer spring, utilize the balancing pole to lead to balanced, the compliance of cooperation soft cushion makes clamping device when pressing from both sides tightly attaching the wall hack lever, can also cushion the protection, makes the surface that attaches the wall hack lever can not appear pressing from both sides the mark.
Preferably, a rotating groove is formed in the side plate, a sliding ring is fixedly connected to the outer wall of the connecting sleeve, and the outer wall of the sliding ring rotates in the rotating groove through a bearing.
Through adopting above-mentioned technical scheme, through the slip ring at the rotary trough internal rotation, make the adapter sleeve rotate in the curb plate.
Preferably, grooves are formed in two sides of the bottom box, and supporting legs are fixedly mounted at positions, located in the grooves, of the bottom box.
Through adopting above-mentioned technical scheme, the recess department is convenient to be installed the stabilizer blade, utilizes the stabilizer blade to support whole.
To sum up, the utility model discloses mainly have following beneficial effect:
first, through utilizing clamping device to carry out the centre gripping to shaft-like wall hack lever, drive transmission through control rotating electrical machines to the meshing rotates the fluted disc, and then drives the adapter sleeve and rotates, makes the centre gripping have and attaches wall hack lever clamping device to follow the rotation, thereby can realize having improved the welded security to attaching the rotation welding of wall hack lever, and the welded precision is higher, and efficiency is better.
And secondly, the smoke suction pipe is adsorbed by the starting smoke suction pump when the welding machine head works, and is filtered by the smoke filter box, so that harmful gas floating in the welding process is reduced, and the harm of toxic gas to workers is reduced.
The third, make the threaded rod rotate at screw hole internal thread through rotatory handle to make the centre gripping subassembly to attaching the wall hack lever and carry out the centre gripping, cushion through buffer spring, utilize the balancing pole to lead to balanced, the compliance of cooperation soft cushion makes clamping device when pressing from both sides tightly attaching the wall hack lever, can also cushion the protection, makes the surface that attaches the wall hack lever can not appear the clamp mark.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a side view of the clamping device of the present invention;
fig. 3 is an enlarged view of the a-portion structure of the present invention.
Reference numerals: 1. a work table; 2. a bottom box; 3. mounting a plate; 4. a rotating electric machine; 5. a transmission device; 501. a driving gear; 502. a connecting rod; 503. a transmission gear; 504. a driven gear; 6. a sleeve; 7. a side plate; 8. connecting sleeves; 9. a fluted disc; 10. a clamping device; 1001. a fixed block; 1002. a threaded hole; 1003. a threaded rod; 1004. a handle; 11. a back plate; 12. a mounting frame; 13. a slideway; 14. a telescopic motor; 15. a slider; 16. a clamping frame; 17. a welding machine head; 18. a flue gas filter box; 19. a smoke pump; 20. a connecting hose; 21. a smoking pipe; 22. a clamping assembly; 2201. a clamping block; 2202. a buffer spring; 2203. a soft cushion block; 2204. a balancing pole; 2205. a jack; 23. rotating the groove; 24. a slip ring; 25. a groove; 26. and (3) a support leg.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-2, a welding device for processing a wall-attached frame rod comprises a workbench 1, wherein the bottom of the workbench 1 is fixedly connected with a bottom box 2, a mounting plate 3 is fixedly mounted inside the bottom box 2, a rotating motor 4 is fixedly mounted at the top of the mounting plate 3, a transmission device 5 is fixedly mounted at the top of the rotating motor 4, a sleeve 6 is fixedly connected at the bottom of the workbench 1, the sleeve 6 is rotatably connected with the transmission device 5 through a bearing, side plates 7 are fixedly mounted at two sides of the top of the workbench 1, a connecting sleeve 8 is rotatably connected inside the side plates 7, a fluted disc 9 is fixedly connected at one side of the connecting sleeve 8 close to the workbench 1, the transmission device 5 is meshed with the fluted disc 9, a clamping device 10 is fixedly connected at the left side of the connecting sleeve 8, and a back plate 11 is fixedly connected at the rear end of the top of the workbench 1, the utility model discloses a welding machine, including backplate 11, slide 13, mounting bracket 12, fixing frame have been seted up in the front of backplate 11, fixed mounting has flexible motor 14 in the support body of mounting bracket 12, the bottom fixedly connected with slider 15 of flexible motor 14, slider 15 slides in the spout, the positive fixed mounting of slider 15 has holding frame 16, the inside fixed mounting of holding frame 16 has welding machine head 17, the positive fixed mounting of backplate 11 has flue gas filter box 18, the bottom fixedly connected with smoking pump 19 of flue gas filter box 18, the bottom fixed mounting of smoking pump 19 has coupling hose 20, coupling hose 20's tip fixed mounting has smoking pipe 21, smoking pipe 21 fixed mounting is in the both sides of welding machine head 17.
Referring to FIG. 1, for transmission purposes; the transmission device 5 comprises a driving gear 501 and a connecting rod 502, the driving gear 501 is fixedly connected to the right output shaft of the rotating motor 4, the connecting rod 502 is sleeved in the sleeve 6, a transmission gear 503 is fixedly installed on the rod body of the connecting rod 502, the transmission gear 503 is meshed with the driving gear 501, driven gears 504 are fixedly installed at two ends of the connecting rod 502, and the driven gears 504 are meshed with the fluted disc 9; the driving gear 501 is engaged with the transmission gear 503, so that the rotating motor 4 can drive the connecting rod 502 to rotate when rotating, and the driven gear 504 rotates along with the rotating, thereby rotating the fluted disc 9.
2-3, for clamping purposes; the clamping device 10 comprises a fixed block 1001, the fixed block 1001 is fixedly connected to the side surface, far away from the workbench 1, of the connecting sleeve 8, a threaded hole 1002 is formed in a block body of the fixed block 1001, a threaded rod 1003 is connected to the internal thread of the threaded hole 1002, a handle 1004 is fixedly connected to one end of the threaded rod 1003, a clamping assembly 22 is fixedly connected to the other end of the threaded rod 1003, the clamping assembly 22 comprises a clamping block 2201, a buffer spring 2202 is fixedly installed on one side, far away from the fixed block 1001, of the clamping block 2201, a soft cushion block 2203 is fixedly installed at the end portion of the buffer spring 2202, a balance rod 2204 is fixedly connected to one side, close to the fixed block 1001, of the cushion block 2203, a jack 2205 is formed in the position, corresponding to the balance rod 2204, of the side surface of the clamping block 2201, and the position of the side surface of the balance rod 2204 is inserted into the jack 2205; make threaded rod 1003 at screw hole 1002 internal thread rotation through rotatory handle 1004 to make centre gripping subassembly 22 carry out the centre gripping to attaching the wall hack lever, cushion through buffer spring 2202, utilize balancing pole 2204 to lead to balanced, cooperate the compliance of soft cushion 2203, make clamping device 10 when pressing from both sides tightly attaching the wall hack lever, can also cushion the protection, make the surface that attaches the wall hack lever can not appear the clamp mark.
Referring to fig. 1, for the purpose of enabling rotation; a rotary groove 23 is formed in the side plate 7, a sliding ring 24 is fixedly connected to the outer wall of the connecting sleeve 8, and the outer wall of the sliding ring 24 rotates in the rotary groove 23 through a bearing; the connecting sleeve 8 can be rotated in the side plate 7 by rotating the slide ring 24 in the rotary groove 23.
Referring to fig. 1, for ease of installation purposes; grooves 25 are formed in two sides of the bottom box 2, and supporting legs 26 are fixedly arranged at the positions, located in the grooves 25, of the bottom box 2; the grooves 25 facilitate the installation of the legs 26, and the legs 26 support the whole.
The use principle and the advantages are as follows: the rod-shaped wall-attached frame rod is clamped by the clamping device 10, the rotating motor 4 is controlled to drive the transmission device 5 to transmit, the transmission gear 503 is meshed and connected through the driving gear 501, so that the rotating motor 4 can drive the connecting rod 502 to rotate when rotating, the driven gear 504 rotates along with the connecting rod, the fluted disc 9 rotates and further drives the connecting sleeve 8 to rotate, the clamping device 10 clamped with the wall-attached frame rod rotates along with the rotating, the threaded rod 1003 rotates in the threaded hole 1002 through the rotating handle 1004, the clamping component 22 clamps the wall-attached frame rod, the buffering is carried out through the buffer spring 2202, the balance rod 2204 is utilized to carry out guiding balance, the flexibility of the soft cushion block 2203 is matched, the clamping device 10 can clamp the wall-attached frame rod and also carry out buffering protection, the surface of the wall-attached frame rod can not have clamping marks, and the rotating welding of the wall-attached frame rod can be realized, the welding safety is improved, the welding precision is higher, the efficiency is better, the smoking pipe 21 is adsorbed by the starting smoking pump 19 when the welding machine head 17 works, and the smoke is filtered by the smoke filtering box 18, so that the harmful gas drifting in the welding process is reduced, and the harm of the toxic gas to workers is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a attach wall hack lever processing and use welding set, includes workstation (1), its characterized in that: the bottom fixedly connected with under casing (2) of workstation (1), the inside fixed mounting of under casing (2) has mounting panel (3), the top fixed mounting of mounting panel (3) has rotating electrical machines (4), the top fixed mounting of rotating electrical machines (4) has transmission (5), the bottom fixedly connected with sleeve (6) of workstation (1), the inside of sleeve (6) is passed through the bearing and is rotated with transmission (5) and be connected, the top both sides fixed mounting of workstation (1) has curb plate (7), the inside rotation of curb plate (7) is connected with adapter sleeve (8), one side fixedly connected with fluted disc (9) that adapter sleeve (8) are close to workstation (1), transmission (5) are connected with fluted disc (9) meshing, the left side fixedly connected with clamping device (10) of adapter sleeve (8), the top rear end fixedly connected with backplate (11) of workstation (1), the positive fixed mounting of backplate (11) has mounting bracket (12), slide (13) have been seted up in the front of mounting bracket (12), fixed mounting has flexible motor (14) in the support body of mounting bracket (12), the bottom fixedly connected with slider (15) of flexible motor (14), slider (15) slide in the spout, slider (15) openly fixed mounting has holding frame (16), the inside fixed mounting of holding frame (16) has welding machine aircraft nose (17), the front fixed mounting of backplate (11) has flue gas filter box (18), the bottom fixedly connected with smoking pump (19) of flue gas filter box (18), the bottom fixed mounting of smoking pump (19) has connecting hose (20), the tip fixed mounting of connecting hose (20) has smoking pipe (21), the smoking pipe (21) is fixedly arranged on two sides of the welding machine head (17).
2. The welding device for processing the side wall frame rod as claimed in claim 1, wherein: transmission (5) include driving gear (501) and connecting rod (502), driving gear (501) fixed connection is in the right side output shaft position of rotating electrical machines (4), connecting rod (502) cup joint in sleeve (6), fixed mounting has drive gear (503) on the body of rod of connecting rod (502), drive gear (503) are connected with driving gear (501) meshing, the equal fixed mounting in both ends of connecting rod (502) has driven gear (504), driven gear (504) are connected with fluted disc (9) meshing.
3. The welding device for processing the side wall frame rod as claimed in claim 1, wherein: clamping device (10) include fixed block (1001), the side of workstation (1) is kept away from in adapter sleeve (8) to fixed block (1001) fixed connection, set up threaded hole (1002) on the block of fixed block (1001), the internal thread of screw hole (1002) is connected with threaded rod (1003), the one end fixedly connected with handle (1004) of threaded rod (1003), the other end fixedly connected with centre gripping subassembly (22) of threaded rod (1003).
4. The welding device for processing the side wall frame rod as claimed in claim 3, wherein: the clamping assembly (22) comprises a clamping block (2201), a buffer spring (2202) is fixedly mounted on one side, far away from the fixed block (1001), of the clamping block (2201), a soft cushion block (2203) is fixedly mounted at the end of the buffer spring (2202), a balance rod (2204) is fixedly connected to one side, close to the fixed block (1001), of the soft cushion block (2203), a jack (2205) is formed in the side face of the clamping block (2201) and the position, corresponding to the balance rod (2204), of the clamping block, and the balance rod (2204) is inserted into the jack (2205).
5. The welding device for processing the side wall frame rod as claimed in claim 1, wherein: a rotating groove (23) is formed in the side plate (7), a sliding ring (24) is fixedly connected to the outer wall of the connecting sleeve (8), and the outer wall of the sliding ring (24) rotates in the rotating groove (23) through a bearing.
6. The welding device for processing the side wall frame rod as claimed in claim 1, wherein: grooves (25) are formed in two sides of the bottom box (2), and supporting legs (26) are fixedly mounted at positions, located in the grooves (25), of the bottom box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120355733.2U CN215146309U (en) | 2021-02-06 | 2021-02-06 | Welding device for machining wall-attached frame rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120355733.2U CN215146309U (en) | 2021-02-06 | 2021-02-06 | Welding device for machining wall-attached frame rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215146309U true CN215146309U (en) | 2021-12-14 |
Family
ID=79410783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120355733.2U Active CN215146309U (en) | 2021-02-06 | 2021-02-06 | Welding device for machining wall-attached frame rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215146309U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115846919A (en) * | 2022-11-27 | 2023-03-28 | 临澧金华天机械制造有限公司 | Adjustable automatic processing equipment who attaches wall pole |
-
2021
- 2021-02-06 CN CN202120355733.2U patent/CN215146309U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115846919A (en) * | 2022-11-27 | 2023-03-28 | 临澧金华天机械制造有限公司 | Adjustable automatic processing equipment who attaches wall pole |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213998975U (en) | Inner diameter polishing device for steel pipe machining | |
| CN208759173U (en) | A kind of quick grinding device for pipe fitting | |
| CN213115569U (en) | Device convenient to assemble for glass curtain wall | |
| CN216179000U (en) | Circumferential grinding mechanism for cylindrical parts | |
| CN221935742U (en) | A pipeline welding auxiliary base | |
| CN209503701U (en) | Facing attachment is used in a kind of logical box body production | |
| CN114682816A (en) | Laser drilling machine with locate function | |
| CN220698293U (en) | Multi-angle drilling device for nonstandard hardware fitting | |
| CN208557055U (en) | A kind of electric grinder | |
| CN218612949U (en) | Rotatable formula centre gripping frock | |
| CN118650591A (en) | A pump body clamping device for centrifugal pump processing | |
| CN218045426U (en) | Quick clamping device is used in artificial tooth processing | |
| CN212825878U (en) | Effectual wood cutting machine of centre gripping | |
| CN212096520U (en) | Flexible composite pipe cutting tool for oil field | |
| CN214218574U (en) | Automatic cutting device for glass tube | |
| CN210550020U (en) | High-efficient tubular product double-end polisher | |
| CN216460746U (en) | Welding fume purifier air suction arm adjusting mechanism | |
| CN209913680U (en) | Submersible motor shell machining device | |
| CN221773525U (en) | A double-tool machining lathe for machining pin shaft ends | |
| CN220330258U (en) | Welding set is used in optical module processing | |
| CN221455373U (en) | Efficient grinding device for mechanical parts | |
| CN214770950U (en) | Polishing assembly for cover polishing equipment | |
| CN222449021U (en) | Auto parts welding jig | |
| CN214640675U (en) | Hand-held split reciprocating saw | |
| CN219737833U (en) | Optical fiber connector clamping and rotating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |