CN213709208U - Bridge locating component convenient to dismantle - Google Patents
Bridge locating component convenient to dismantle Download PDFInfo
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- CN213709208U CN213709208U CN202022183191.3U CN202022183191U CN213709208U CN 213709208 U CN213709208 U CN 213709208U CN 202022183191 U CN202022183191 U CN 202022183191U CN 213709208 U CN213709208 U CN 213709208U
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Abstract
The application relates to a bridge positioning assembly convenient to disassemble, which belongs to the technical field of bridge positioning assemblies and comprises a thick steel bar, wherein one end of the thick steel bar is in threaded connection with a first pipe fitting, the first pipe fitting is in threaded connection with a second pipe fitting, a plurality of clamping blocks are arranged in the second pipe fitting, the inner wall of the second pipe fitting is fixedly connected with a second spring, the side wall of each clamping block is provided with a clamping groove, each clamping block is correspondingly and respectively clamped with a telescopic block in the clamping groove, a third spring is arranged in each clamping groove, the two ends of each third spring are respectively and fixedly connected with the telescopic block and the clamping block, the side wall of the second pipe fitting is provided with a clamping through hole corresponding to each telescopic block, a telescopic rod is clamped in the corresponding clamping through hole of the second pipe fitting, the side wall of the telescopic rod is sleeved with a fourth spring, the side wall of the second pipe fitting is slidably connected with, the utility model discloses the effect that has the simple operation.
Description
Technical Field
The utility model belongs to the technical field of the technique of bridge locating component and specifically relates to a bridge locating component convenient to dismantle is related to.
Background
The existing bridge manufacturing process includes pre-embedding combined steel bars, pouring concrete, taking out a clamping structure in a bridge positioning assembly after pouring is completed, then placing the combined steel bars and the clamping structure back into the bridge positioning assembly, and then straightening the combined steel bars to ensure that the combined steel bars are in a straight state after concrete is dried and formed.
The above prior art solutions have the following drawbacks: when the user uses, pile up dust, earth easily among the bridge locating component, the user is difficult to swift will press from both sides tight structure and take out, influences work efficiency.
SUMMERY OF THE UTILITY MODEL
In order to make things convenient for the user can be swift will press from both sides tight structure and take out, improve work efficiency, this application provides a bridge locating component convenient to dismantle.
The application provides a bridge locating component convenient to dismantle adopts following technical scheme:
a bridge positioning assembly convenient to disassemble comprises a thick steel bar, one end of the thick steel bar is in threaded connection with a first pipe fitting, one end of the first pipe fitting, far away from the thick steel bar, is in threaded connection with a second pipe fitting, a plurality of clamping blocks are arranged in the second pipe fitting and can be abutted against combined steel bars, one end, far away from the thick steel bar, of the inner wall of the second pipe fitting is fixedly connected with a second spring, one end, far away from the second pipe fitting, of the second spring can be abutted against the clamping blocks, the second spring applies a force, far away from the second pipe fitting, to the clamping blocks, clamping grooves are formed in the side wall of each clamping block, close to the thick steel bar, and a telescopic block is clamped in the clamping groove corresponding to each clamping block and can be abutted against the inner wall of the second pipe fitting, a third spring is arranged in the clamping groove corresponding to each clamping block, two ends of the third spring are, the third spring makes flexible piece can stretch out the joint recess that the tight piece of clamp corresponds, the joint through-hole has all been seted up to every flexible piece position department of second pipe fitting lateral wall correspondence, flexible piece can stretch into the joint through-hole that the second pipe fitting corresponds, the joint has the telescopic link in the second pipe fitting corresponds the joint through-hole, the telescopic link can stretch out the joint through-hole that the second pipe fitting corresponds, the fourth spring has been cup jointed to the telescopic link lateral wall, second pipe fitting lateral wall sliding connection has the slip ring, the slip ring slides along the length direction of second pipe fitting, slip ring inner wall can the butt in the telescopic link.
Through adopting above-mentioned scheme, during the user used, will press from both sides tight piece and put into the second pipe fitting, promote to press from both sides tight piece and make flexible piece joint advance the card through-hole under the elasticity of third spring, guarantee to flare-out work and can normally go on. After straightening the combination reinforcing bar, remove the slip ring, the telescopic link can be pressed to flexible piece by the slip ring, and flexible piece is pressed back the joint recess by the telescopic link, and the second spring is applyed elasticity to the clamp piece, makes the clamp piece pop out the second pipe fitting. Even be stained with earth in the second pipe fitting, the user also can make things convenient for, quick will press from both sides tight piece and take out, improves work efficiency.
Preferably, the outer wall of the second pipe fitting is fixedly connected with positioning rings at positions corresponding to two sides of the clamping through hole, and the sliding ring can abut against the positioning rings.
Through adopting above-mentioned scheme, when the user used, the slip ring slided between two holding rings, and the holding ring guarantees that the slip ring can not slide from the second pipe fitting and fall off, guarantees the normal clear of work of flare-outing, improves work efficiency.
Preferably, the inside a plurality of tight piece mutual butts of clamp of second pipe fitting make up into and press from both sides tight pipe, and the shape that presss from both sides tight pipe sets up for round platform shape, and the combination reinforcing bar can stretch into in the tight pipe of clamp, and every presss from both sides tight piece lateral wall and all has seted up fixed recess near thick reinforcing bar position department, and every fixed recess communicates each other, and every presss from both sides tight piece and has cup jointed first spring jointly in corresponding every fixed recess, and under the natural state, first spring is pressed from both sides tight piece to every and is exerted the power that draws close to the center.
Through adopting above-mentioned scheme, when the user used, first spring was guaranteed to press from both sides tight piece and can be closely combined together, guaranteed to press from both sides tight piece and can not scatter, improved the fastening effect who presss from both sides tight piece, and the user of being convenient for simultaneously takes out and installs the tight piece that presss from both sides.
Preferably, the inner wall of each clamping block is fixedly connected with anti-skid grains which can abut against the combined reinforcing steel bars.
Through adopting above-mentioned scheme, when the user used, the frictional force between tight piece inner wall of antiskid line increase clamp and the combination reinforcing bar guarantees that the combination reinforcing bar can not follow the tight piece landing of clamp, improves the fastening effect of pressing from both sides tight piece.
Preferably, each clamping block inner wall is close to a plurality of dentations of equal fixedly connected with in combination reinforcing bar position department, and the dentations can butt in combination reinforcing bar.
By adopting the above scheme, when the combined reinforcing steel bar is clamped by the clamping block, the combined reinforcing steel bar can be occluded by the tooth-shaped protrusions, and the fastening effect of the clamping block is further improved
Preferably, the second pipe fitting outer wall is close to combination reinforcing bar position department and has seted up fixed threaded hole, and the second pipe fitting corresponds fixed threaded hole female connection and has first bolt, and first bolt corresponds second pipe fitting inner wall one end and rotates and be connected with solid fixed ring, and solid fixed ring can the butt in combination reinforcing bar.
Through adopting above-mentioned scheme, when the user used, rotated first bolt, first bolt was downthehole downstream at fixed thread, and solid fixed ring can together downstream and butt on the combination reinforcing bar, guarantees that the combination reinforcing bar can be pressed from both sides tightly by solid fixed ring and second pipe fitting, improves the fastening effect.
Preferably, the first pipe fitting side wall is provided with a first threaded hole corresponding to the position of the thick steel bar, the thick steel bar is provided with a second threaded hole corresponding to the position of the first threaded hole, the first threaded hole is communicated with the second threaded hole, the first pipe fitting is internally threaded with a second bolt corresponding to the first threaded hole, and the second bolt is in threaded connection with the second threaded hole.
By adopting the above scheme, when the user uses, rotate the second bolt, the second bolt moves down at first screw hole, rotates into the second screw hole at last, further fixes first pipe fitting and thick reinforcing bar tightly, guarantees the normal clear of work of flare-outing.
Preferably, first pipe fitting is close to second pipe fitting one side and has seted up a plurality of vertical lines recesses, and vertical lines recess sets up along first pipe fitting circumference array, and it is protruding that the second pipe fitting is close to the equal fixedly connected with vertical lines of every vertical lines groove position department of first pipe fitting one side correspondence, and vertical lines are protruding to set up along second pipe fitting circumference array, and vertical lines are protruding can the joint in the vertical lines recess that first pipe fitting corresponds.
Through adopting above-mentioned scheme, when the user used, with second pipe fitting and first pipe fitting back of screwing up each other, in the vertical line arch can the joint went into the vertical line recess, guaranteed that second pipe fitting and first pipe fitting can not rotate by oneself, prevent that the second pipe fitting from droing from first pipe fitting.
To sum up, the utility model discloses following beneficial effect has:
1. the design of the second spring and the telescopic block ensures that the clamping block can be popped up, and a user can quickly take out the clamping block;
2. the design of the positioning ring ensures that the sliding ring cannot fall off.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a cross-sectional structural view of a second tubular member of an embodiment of the present application;
FIG. 3 is a schematic view of a retaining groove configuration according to an embodiment of the present application;
FIG. 4 is an enlarged view of portion A of FIG. 2;
FIG. 5 is a structural cross-sectional view of a fixing threaded hole of an embodiment of the present application;
FIG. 6 is a sectional view of the structure of a second bolt of the embodiment of the present application;
FIG. 7 is a schematic view of a raised rib configuration according to an embodiment of the present application.
In the figure, 1, thick steel bars; 11. a first pipe member; 12. a first threaded hole; 13. a second threaded hole; 14. a second bolt; 15. a vertical line groove; 2. a second pipe member; 21. a second spring; 22. clamping the through hole; 221. a telescopic rod; 222. a fourth spring; 23. a sliding ring; 24. a positioning ring; 25. fixing the threaded hole; 251. a first bolt; 252. a fixing ring; 26. the vertical lines are raised; 3. a clamping block; 31. clamping the tube; 32. fixing the groove; 321. a first spring; 33. clamping the groove; 331. a telescopic block; 332. a third spring; 34. anti-skid lines; 35. and (4) a tooth-shaped bulge.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses bridge locating component convenient to dismantle, as shown in fig. 1 and fig. 2, including thick reinforcing bar 1, 1 one end threaded connection of thick reinforcing bar has first pipe fitting 11, and 1 one end threaded connection of thick reinforcing bar is kept away from to first pipe fitting 11 has second pipe fitting 2, is provided with a plurality of curved tight pieces of clamp 3 in the second pipe fitting 2, and tight piece of clamp 3 can butt in the built-up steel bar. During the use, twist off second pipe fitting 2 from first pipe fitting 11, then pass through second pipe fitting 2 with the combination reinforcing bar, and stretch into and press from both sides tight piece 3, then will press from both sides tight piece 3 and put back in second pipe fitting 2 with the combination reinforcing bar, then retighten second pipe fitting 2 and first pipe fitting 11, pull thick reinforcing bar 1 and press from both sides tight piece 3 and can press from both sides the combination reinforcing bar, and straighten the combination reinforcing bar.
As shown in fig. 2 and 3, the plurality of arc-shaped clamping blocks 3 inside the second pipe fitting 2 are mutually abutted to form the clamping pipe 31, the clamping pipe 31 is in a truncated cone shape, and the combined steel bars can extend into the clamping pipe 31. Every 3 lateral walls of clamp splice are close to thick reinforcing bar 1 position department and have all seted up fixed recess 32, and every fixed recess 32 communicates each other. A first spring 321 is sleeved in each clamping block 3 corresponding to each fixing groove 32. Naturally, the first spring 321 exerts a force on each gripper block 3 that is drawn closer to the center. When the user uses the clamping device, the first spring 321 ensures that each clamping block 3 can be combined together, ensures that each clamping block 3 cannot be separated, and improves the fastening effect of the clamping blocks 3.
As shown in fig. 2 and 4, a second spring 21 is fixedly connected to one end of the inner wall of the second pipe 2, which is far away from the thick steel bar 1, and one end of the second spring 21, which is far away from the second pipe 2, can abut against the clamping block 3. Naturally, the second spring 21 exerts a force on the clamping block 3 away from the second tubular part 2. Clamping grooves 33 are formed in the positions, close to the thick steel bars 1, of the side walls of the clamping blocks 3, telescopic blocks 331 are clamped in the clamping grooves 33 corresponding to the clamping blocks 3, the portions, extending out of the clamping blocks 3, of the telescopic blocks 331 are arc-shaped, and one ends, extending out of the clamping blocks 3, of the telescopic blocks 331 can abut against the inner wall of the second pipe fitting 2. A third spring 332 is arranged in each clamping block 3 corresponding to the clamping groove 33, and two ends of the third spring 332 are fixedly connected to the telescopic block 331 and the clamping block 3 respectively. Naturally, the third spring 332 allows the telescopic block 331 to extend out of the corresponding catching recess 33 of the clamping block 3. The clamping through hole 22 has been all seted up to the corresponding flexible piece 331 position department of 2 lateral walls of second pipe fitting, and flexible piece 331 can stretch into in the clamping through hole 22 that second pipe fitting 2 corresponds. The second pipe fitting 2 is connected with a telescopic rod 221 in the clamping through hole 22 correspondingly in a clamping mode, and the telescopic rod 221 can extend out of the clamping through hole 22 corresponding to the second pipe fitting 2. The side wall of the telescopic rod 221 is sleeved with a fourth spring 222, and two ends of the fourth spring 222 are respectively and fixedly connected to the second pipe fitting 2 and the telescopic rod 221. The side wall of the second pipe fitting 2 is slidably connected with a sliding ring 23, the sliding ring 23 slides along the length direction of the second pipe fitting 2, and the inner wall of the sliding ring 23 can abut against the telescopic rod 221. When the clamping device is used by a user, the clamping block 3 is placed into the second pipe fitting 2, the telescopic block 331 on the clamping block 3 can be popped out by the third spring 332 when reaching the position of the clamping through hole 22 and clamped into the clamping through hole 22, and the clamping block 3 can work normally. After use, the sliding ring 23 is slid, the sliding ring 23 moves the telescopic rod 221 towards the telescopic block 331, so that the telescopic block 331 retracts into the clamping groove 33, and the clamping block 3 can be ejected under the elastic force of the second spring 21. Guarantee that the user can convenient and fast will press from both sides tight piece 3 and take out, improve work efficiency.
As shown in fig. 2 and 3, the positioning rings 24 are fixedly connected to the outer wall of the second pipe 2 at positions corresponding to the two sides of the snap-in through hole 22, and the sliding ring 23 can abut against the positioning rings 24. When the user uses, holding ring 24 guarantees that slip ring 23 can not follow the landing on second pipe fitting 2, guarantees that slip ring 23 can normal use. The inner wall of each clamping block 3 is fixedly connected with an anti-skid thread 34. The skidproof grain 34 can abut against the combined reinforcing steel bar. When the user uses, anti-skidding line 34 increases frictional force, prevents that the combination reinforcing bar from sliding, improves the fastening effect of pressing from both sides tight piece 3. The inner wall of each clamping block 3 is close to the combined steel bar and is fixedly connected with a plurality of dentations 35, and the dentations 35 can abut against the combined steel bar. When the user uses, dentate bulge 35 can further press from both sides tight the combination reinforcing bar, guarantees that the combination reinforcing bar can not slide.
As shown in fig. 1 and 5, a fixing threaded hole 25 is formed in the outer wall of the second pipe fitting 2 at a position close to the combined steel bar, and a first bolt 251 is connected to the second pipe fitting 2 corresponding to the fixing threaded hole 25 through internal threads. One end of the first bolt 251 corresponding to the inner wall of the second pipe 2 is rotatably connected with a semicircular fixing ring 252, and the fixing ring 252 can abut against the combined steel bar. When the user uses, screw first bolt 251, first bolt 251 moves in fixed screw hole 25 and makes solid fixed ring 252 butt in combination reinforcing bar, and solid fixed ring 252 and second pipe fitting 2 are fixed the combination reinforcing bar tightly together. The fastening effect is improved.
As shown in fig. 1 and 6, a first threaded hole 12 is formed in the position, corresponding to the thick steel bar 1, of the side wall of the first pipe 11, a second threaded hole 13 is formed in the position, corresponding to the first threaded hole 12, of the thick steel bar 1, and the first threaded hole 12 is communicated with the second threaded hole 13. The first pipe fitting 11 is internally threaded with a second bolt 14 corresponding to the first threaded hole 12, and the second bolt 14 is threaded in the second threaded hole 13. When the user uses, screw up second bolt 14 in first screw hole 12 and second screw hole 13, guarantee that first pipe fitting 11 can not drop from thick reinforcing bar 1 among the pull process, guarantee that pull work normally goes on.
As shown in fig. 7, a plurality of vertical groove 15 are formed on one side of the first pipe 11 close to the second pipe 2, and the vertical groove 15 is arranged along the circumference of the first pipe 11. The second pipe fitting 2 is close to the equal fixedly connected with of every vertical line recess 15 position department of first pipe fitting 11 one side correspondence and erects the protruding 26 of line, and the protruding 26 of vertical line sets up along 2 circumference arrays of second pipe fitting. The vertical stripe protrusion 26 can be clamped in the vertical stripe groove 15 corresponding to the first pipe fitting 11. When the user used, when twisting second pipe fitting 2 and first pipe fitting 11, the protruding 26 of vertical line on the second pipe fitting 2 and the vertical line recess 15 on the first pipe fitting 11 can joint each other, prevent that second pipe fitting 2 from rotating on first pipe fitting 11, guarantee the fixed effect of first pipe fitting 11 and second pipe fitting 2.
The implementation principle of the bridge positioning assembly convenient to disassemble in the embodiment of the application is as follows: when the user uses, remove slip ring 23 and make telescopic link 221 inwards move, telescopic link 221 makes flexible piece 331 retract joint recess 33 in, and second spring 21 exerts elasticity and will clamp pipe 31 and pop out the clamp pipe 31 to the clamp pipe 31, and the user of being convenient for can be swift takes out the clamp pipe 31. Then the combined steel bar extends into the clamping pipe 31 through the second pipe fitting 2, then the clamping pipe 31 and the combined steel bar are placed into the second pipe fitting 2 together, the telescopic block 331 on the clamping block 3 can be clamped into the clamping through hole 22 under the action force of the third spring 332, the toothed protrusion 35 and the anti-slip pattern 34 in the clamping pipe 31 can further improve the clamping effect of the clamping pipe 31, then the first pipe fitting 11 and the second pipe fitting 2 are screwed, then the first bolt 251 is rotated, the fixing ring 252 is moved towards the direction of the combined steel bar, and the combined steel bar is further fixed and tightened. The second bolt 14 is then tightened to secure the first pipe member 11 and the reinforcing bars 1, and the reinforcing bars are pulled.
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 utility model provides a bridge locating component convenient to dismantle, includes coarse reinforcement (1), and coarse reinforcement (1) one end threaded connection has first pipe fitting (11), and coarse reinforcement (1) one end threaded connection has second pipe fitting (2) is kept away from in first pipe fitting (11), is provided with a plurality of tight pieces of clamp (3) in second pipe fitting (2), and tight piece of clamp (3) can the butt in built-up steel bar, its characterized in that: one end, far away from the thick steel bar (1), of the inner wall of the second pipe fitting (2) is fixedly connected with a second spring (21), one end, far away from the second pipe fitting (2), of the second spring (21) can be abutted to the clamping block (3), in a natural state, the second spring (21) applies a force, far away from the second pipe fitting (2), to the clamping block (3), clamping grooves (33) are formed in positions, close to the thick steel bar (1), of side walls of each clamping block (3), telescopic blocks (331) are clamped in the clamping grooves (33) corresponding to the clamping blocks (3), the telescopic blocks (331) can be abutted to the inner wall of the second pipe fitting (2), third springs (332) are arranged in the clamping grooves (33) corresponding to the clamping blocks (3), two ends of the third springs (332) are fixedly connected to the telescopic blocks (331) and the clamping blocks (3) respectively, and in a natural state, the third springs (332) enable the telescopic blocks (331) to extend out of the clamping grooves (33) corresponding to the clamping blocks (3), second pipe fitting (2) lateral wall corresponds every flexible piece (331) position department and has all seted up joint through-hole (22), flexible piece (331) can stretch into in joint through-hole (22) that second pipe fitting (2) correspond, second pipe fitting (2) correspond joint in joint through-hole (22) have telescopic link (221), joint through-hole (22) that second pipe fitting (2) correspond can be stretched out in telescopic link (221), fourth spring (222) have been cup jointed to telescopic link (221) lateral wall, second pipe fitting (2) lateral wall sliding connection has slip ring (23), slip ring (23) slide along the length direction of second pipe fitting (2), slip ring (23) inner wall can butt in telescopic link (221).
2. The bridge locating assembly of claim 1, wherein: the outer wall of the second pipe fitting (2) corresponds to the positions on two sides of the clamping through hole (22) and is fixedly connected with a positioning ring (24), and the sliding ring (23) can abut against the positioning ring (24).
3. The bridge locating assembly of claim 1, wherein: inside a plurality of tight piece (3) of clamp of second pipe fitting (2) mutual butt make up into and press from both sides tight pipe (31), the shape that presss from both sides tight pipe (31) sets up for round platform shape, the combination reinforcing bar can stretch into in pressing from both sides tight pipe (31), fixed recess (32) have all been seted up near thick reinforcing bar (1) position department to every tight piece (3) lateral wall of clamp, every fixed recess (32) communicate each other, first spring (321) have been cup jointed jointly in every tight piece (3) of clamp corresponds every fixed recess (32), under the natural state, first spring (321) are exerted to every tight piece (3) of clamp and are drawn close to the power that draws close to the center.
4. The bridge locating assembly of claim 1, wherein: the inner wall of each clamping block (3) is fixedly connected with an anti-skidding thread (34), and the anti-skidding thread (34) can abut against the combined reinforcing steel bar.
5. The bridge locating assembly of claim 1, wherein: every presss from both sides tight piece (3) inner wall and is close to a plurality of dentate projections (35) of equal fixedly connected with in combination reinforcing bar position department, dentate projection (35) can butt in combination reinforcing bar.
6. The bridge locating assembly of claim 1, wherein: fixed threaded hole (25) have been seted up to second pipe fitting (2) outer wall near combination reinforcing bar position department, and second pipe fitting (2) correspond fixed threaded hole (25) female connection has first bolt (251), and first bolt (251) correspond second pipe fitting (2) inner wall one end and rotate and be connected with solid fixed ring (252), gu fixed ring (252) can the butt in combination reinforcing bar.
7. The bridge locating assembly of claim 1, wherein: first screw hole (12) have been seted up to first pipe fitting (11) lateral wall corresponding coarse reinforcement (1) position department, second screw hole (13) have been seted up to coarse reinforcement (1) corresponding first screw hole (12) position department, first screw hole (12) and second screw hole (13) are linked together, first pipe fitting (11) correspond first screw hole (12) female connection has second bolt (14), second bolt (14) threaded connection is in second screw hole (13).
8. The bridge locating assembly of claim 1, wherein: first pipe fitting (11) are close to second pipe fitting (2) one side and have been seted up a plurality of vertical lines recess (15), vertical lines recess (15) set up along first pipe fitting (11) circumference array, second pipe fitting (2) are close to first pipe fitting (11) one side and correspond every vertical lines recess (15) equal fixedly connected with vertical lines arch (26) of position department, vertical lines arch (26) set up along second pipe fitting (2) circumference array, vertical lines arch (26) can the joint in vertical lines recess (15) that first pipe fitting (11) correspond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022183191.3U CN213709208U (en) | 2020-09-28 | 2020-09-28 | Bridge locating component convenient to dismantle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022183191.3U CN213709208U (en) | 2020-09-28 | 2020-09-28 | Bridge locating component convenient to dismantle |
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| Publication Number | Publication Date |
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| CN213709208U true CN213709208U (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022183191.3U Active CN213709208U (en) | 2020-09-28 | 2020-09-28 | Bridge locating component convenient to dismantle |
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| CN (1) | CN213709208U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482414A (en) * | 2022-03-16 | 2022-05-13 | 济南轨道交通集团有限公司 | Grouting sleeve steel bar centering device and application thereof in grouting connection |
-
2020
- 2020-09-28 CN CN202022183191.3U patent/CN213709208U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482414A (en) * | 2022-03-16 | 2022-05-13 | 济南轨道交通集团有限公司 | Grouting sleeve steel bar centering device and application thereof in grouting connection |
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