CN114059774B - Bridge steel strand overall pulling device - Google Patents
Bridge steel strand overall pulling device Download PDFInfo
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- CN114059774B CN114059774B CN202111353085.8A CN202111353085A CN114059774B CN 114059774 B CN114059774 B CN 114059774B CN 202111353085 A CN202111353085 A CN 202111353085A CN 114059774 B CN114059774 B CN 114059774B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
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Abstract
The invention discloses an integral bridge steel strand penetrating device, and belongs to the technical field of bridge construction. The utility model provides a whole device of restrainting of wearing of bridge steel strand wires, includes the sealed box of rectangle, still includes, wears to restraint conveying mechanism, wear to restraint conveying mechanism and install and be used for many cables to pass simultaneously in the sealed box of rectangle, the bundle head is worn in the locking of steel strand wires, the locking of steel strand wires is worn to restraint the head and is installed and wear to restraint conveying mechanism parallel arrangement and dock inside the sealed box of rectangle, connects many cables and carries out synchronous restraint, centre gripping locking mechanism sets up and wears to restraint the first outside in the locking of steel strand wires, and the fixed connection of bundle head and many cables is worn in the locking of steel strand wires of automizing. According to the invention, a plurality of steel strands are sequentially penetrated from one end of the rectangular sealing box body, the steel strands are locked and fixedly connected with the strand penetrating head, and then the plurality of steel strands are penetrated by the strand penetrating conveying mechanism, so that the strand penetrating efficiency can be improved, the bending is avoided, the strand penetrating length can be better controlled, and the cutting waste is reduced.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a bridge steel strand integral penetrating device.
Background
The application of the steel strand in the bridge comprises the following steps: the steel strand is generally applied to the superstructure of bridge, is located the roof beam body inside of case roof beam, and it can increase the span of bridge and atress reduce the dead weight of roof beam body.
In the steel strand bundle penetrating construction, strand winding can be caused by strand penetrating, tension is caused to be uneven, the strand penetrating needs to be replaced again when the single strand penetrates the bundle and bends, and the cost and the efficiency are low. Therefore, the mode of integrally penetrating the multiple stranded wires is adopted, but the integral penetrating needs to ensure the same finishing penetrating tension, and the multiple stranded wires have the same penetrating force and are convenient to stretch. Therefore, the design of the integral bridge steel strand pulling device is very necessary.
Disclosure of Invention
The invention aims to provide an integral beam penetrating device for a bridge steel strand, which aims to solve the problem of uneven integral beam penetrating tension of a plurality of steel strands in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a whole device of restrainting of wearing of bridge steel strand wires, includes the sealed box of rectangle, still includes, wears to restraint conveying mechanism, wear to restraint conveying mechanism and install and be used for many cables to pass simultaneously in the sealed box of rectangle, the bundle head is worn in the locking of steel strand wires, the locking of steel strand wires is worn to restraint the head and is installed and wear to restraint conveying mechanism parallel arrangement and dock inside the sealed box of rectangle, connects many cables and carries out synchronous restraint, centre gripping locking mechanism sets up and wears to restraint the first outside in the locking of steel strand wires, and the fixed connection of bundle head and many cables is worn in the locking of steel strand wires of automizing.
Preferably, the threading and conveying mechanism comprises a wire seat and a wire bracket; a plurality of the wire seats are distributed along the same horizontal line and are mutually reserved with gaps, the upper end and the lower end of each wire seat are connected with the inner wall of the rectangular sealing box body through supports, the wire seats are of horizontally arranged cylinder structures and are evenly provided with a plurality of threading holes, and the wire supports are arranged between the two wire seats and are respectively fixedly connected with the wire seats.
Preferably, the outer side between the wire supports is of an inverted triangle structure and is provided with three rotating shafts, grinding rollers for increasing friction are sleeved at the middle parts of the rotating shafts, the rotating shafts at the tops are longitudinally and horizontally arranged and perpendicular to the wire seats, first universal joints are sleeved at two ends of the rotating shafts in an inclined mode, the upper end part and the lower end part of each rotating shaft are connected with connecting shafts in the horizontal direction and the vertical direction respectively, second universal joints connected with the first universal joints are arranged at the end parts of the connecting shafts, the connecting shafts are horizontally arranged and parallel to the rotating shafts at the tops, gears meshed with each other are arranged at the same positions, the end parts of the rotating shafts and the connecting shafts extend to the inner wall of the rectangular sealing box body to achieve rotating connection, chain wheels are sleeved on the rotating shafts, one chain wheel is sleeved with a chain, the chain wheels are connected through chain meshing, and the rotating shaft penetrates through the rectangular sealing box body to be connected with an external first servo motor.
Preferably, the head is worn in steel strand wires locking is including fixed pipe, the head of wearing to restraint, it is connected with external screw thread pipe to wear to restraint first tip fixedly connected with, external screw thread pipe inserts fixed intraduct and rather than threaded connection, the inside inner wall that is close to the screwed pipe of fixed intraduct is the equidistant a plurality of stoppers that are fixed with of annular, the tip of fixed pipe rotates and is connected with the fixed plate that is T type column structure.
Preferably, the other end of fixed pipe set up with be less than the first spacing hole in through wires hole aperture, the fixed intraduct is pressed close to first spacing hole one end and is equipped with the carousel, set up the spacing hole of the same and corresponding second with first spacing hole on the carousel, the skew centre of a circle of fixed intraduct and rotate with the staggered position in first spacing hole and be connected with the gag lever post, the gag lever post passes the carousel and is connected fixedly rather than, the gag lever post passes the position welding of carousel and has the arc spacing collar, the fixed plate terminal surface is just fixed with spacing pipe to the position of gag lever post, the arc spacing groove has been seted up to the gag lever post inside, the local matching of inserting spacing intraduct and realizing arc spacing collar and arc spacing groove of gag lever post.
Preferably, the steel strand locking threading head further comprises a steel pipe fixedly sleeved at the end of the cable, the diameter of the steel pipe is the same as the diameter of the threading hole, a connecting rod with a smaller diameter is fixed at the end of the steel pipe, and a steel ball with the diameter being the same as the diameter of the first limiting hole is welded at the end of the connecting rod.
Preferably, centre gripping locking mechanism includes that first accomodate the pipe, the second accomodates the pipe, first accomodate the pipe and be fixed in inside the box, the second accomodates the pipe and rotates with first accomodate the pipe and be connected, pile into on the first accomodate pipe and seted up two fixed slots, the fixed slot is inside to be equipped with the clamping bar of being connected with the gas pole, the second accomodates the inside rubber pad that is fixed with of pipe, the second accomodates the pipe and receives the second servo motor drive rotation.
Compared with the prior art, the invention provides an integral bridge steel strand penetrating device which has the following beneficial effects:
(1) The invention relates to a device for synchronously penetrating a plurality of bridge steel strands, which is characterized in that a plurality of steel strands are sequentially penetrated into a rectangular sealed box body from one end of the rectangular sealed box body, a steel strand locking penetrating head is fixed at the other end of the rectangular sealed box body by a clamping and locking mechanism, the steel strands are fixedly connected with the steel strand locking penetrating head after the rectangular sealed box body penetrates through a penetrating and conveying mechanism, the penetrating and conveying mechanism can synchronously drive the plurality of steel strands to move, and the steel strand locking penetrating head fixes the plurality of steel strands, so that synchronous penetrating is realized, penetrating efficiency can be improved, penetrating bending is avoided, penetrating length can be better controlled, and cutting waste is reduced.
(2) According to the strand pulling conveying mechanism, the wire seats and the wire supports are arranged on the horizontal line in a staggered mode, the steel strands are exposed in a segmented mode, the rotating shafts and the grinding rollers which are driven by the grinding rollers are arranged around the steel strands for strand pulling control, the grinding rollers are distributed on the outer sides of the steel strands, friction force is dispersed, single steel strand is evenly stressed, the fact that the stress of each steel strand is the same is achieved, the accuracy of the number of the steel strands in different prestressed ducts is guaranteed, prestressed ribs are prevented from being wound with each other, and the steel strands are evenly stressed during tensioning construction.
(3) The fixed pipe and the strand penetrating head are in threaded connection to form a steel strand locking strand penetrating head, a plurality of first limiting holes are formed in the end of the fixed pipe and used for connecting steel strands, a rotatable turntable is arranged in the fixed pipe, a second limiting hole is formed in the turntable, and the first limiting hole and the second limiting hole are staggered by utilizing eccentric movement of the turntable to complete connection with the steel strands.
Drawings
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic diagram of the side section and the internal components of the rectangular sealed box of the present invention;
FIG. 3 is a schematic view of the structure of the threading conveying mechanism of the present invention;
FIG. 4 is a schematic view of a split structure of a steel strand locking and threading head and a clamping and locking mechanism of the present invention;
FIG. 5 is a schematic view of a connection structure of a steel strand locking and threading head and a steel strand according to the present invention;
FIG. 6 is a schematic view of a connection and disassembly structure of a steel strand locking and threading head and a steel strand according to the present invention;
FIG. 7 is a side cross-sectional view of the stationary tube and the internal components of the present invention;
FIG. 8 is a side sectional view of the fixing tube and the related components of the present invention;
FIG. 9 is a side sectional view of the fixing tube and the related components of the present invention.
Description of the figure numbers: 1. a rectangular sealed box body; 2. a strand-threading conveying mechanism; 201. a wire holder; 202. a wire holder; 203. threading holes; 204. a rotating shaft; 205. grinding the roller; 206. a first universal joint; 207. a second universal joint; 208. a gear; 209. a sprocket; 210. a chain; 211. a connecting shaft; 3. locking the steel strand through a bundle head; 301. fixing the tube; 302. threading a binding head; 303. an externally threaded tube; 304. a limiting block; 305. a fixing plate; 306. a first limiting hole; 307. a turntable; 308. a second limiting hole; 309. a limiting rod; 310. an arc-shaped limiting ring; 311. a limiting pipe; 312. an arc-shaped limiting groove; 313. a steel pipe; 314. a connecting rod; 315. a steel ball; 4. a clamping and locking mechanism; 401. a first storage tube; 402. a second storage tube; 403. fixing grooves; 404. a clamping rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Example 1:
referring to fig. 1-2, an integral bridge steel strand penetrating device comprises a rectangular sealing box body 1 and a penetrating and conveying mechanism 2, wherein the penetrating and conveying mechanism 2 is installed inside the rectangular sealing box body 1 and used for simultaneously conveying a plurality of cables, a steel strand penetrating head 3 is locked by the steel strand, the steel strand penetrating head 3 is installed inside the rectangular sealing box body 1 and is in parallel arrangement with the penetrating and conveying mechanism 2 for butt joint, the plurality of cables are connected for synchronous conveying, a clamping and locking mechanism 4 is arranged on the outer side of the steel strand penetrating head 3, and the steel strand penetrating head 3 and the plurality of cables are automatically and fixedly connected.
The invention designs a device for synchronously penetrating a plurality of bridge steel strands, which is characterized in that a plurality of steel strands sequentially penetrate into a rectangular sealed box body 1 from one end of the rectangular sealed box body, a steel strand locking penetrating head 3 is fixed at the other end of the rectangular sealed box body 1 by a clamping and locking mechanism 4, the steel strands are fixedly connected with the steel strand locking penetrating head 3 after the rectangular sealed box body 1 penetrates through a penetrating and conveying mechanism 2, the penetrating and conveying mechanism 2 can synchronously drive the plurality of steel strands to move, and the steel strand locking penetrating head 3 fixes the plurality of steel strands to realize synchronous penetrating, so that the penetrating efficiency can be improved, the penetrating and bending can be avoided, the penetrating length can be better controlled, and the cutting waste can be reduced.
Example 2:
referring to fig. 2-3, the embodiment 1 is different from the above embodiments; the penetrating and conveying mechanism 2 comprises a wire seat 201 and a wire bracket 202; a plurality of the wire seat 201 distributes and reserves the clearance each other along same water flat line, the both ends pass through support and the 1 interior wall connection of sealed box of rectangle about the wire seat 201, a plurality of through wires holes 203 have evenly been seted up for the cylinder structure that the wire seat 201 set up for the level, wire support 202 installs in the position between two wire seats 201 and is connected fixedly rather than respectively.
The outer side between the wire supports 202 is provided with three rotating shafts 204 in an inverted triangle structure, the middle of each rotating shaft 204 is sleeved with a grinding roller 205 for increasing friction, the top of each rotating shaft 204 is longitudinally and horizontally arranged and perpendicular to the wire seats 201, two ends of each rotating shaft 204 are inclined to be sleeved with first universal joints 206, the upper end and the lower end of each rotating shaft 204 are inclined to be connected with connecting shafts 211 along the horizontal direction and the vertical direction respectively, the end parts of the connecting shafts 211 are provided with second universal joints 207 connected with the first universal joints 206, the connecting shafts 211 and the rotating shafts 204 at the top are horizontally arranged in parallel, gears 208 meshed with each other are arranged at the same positions, the end parts of the rotating shafts 204 and the connecting shafts 211 extend to the inner wall of the rectangular sealing box body 1 to achieve rotating connection, the rotating connection is achieved by the number of chain wheels 209 sleeved on each rotating shaft 204, one chain wheel 209 is sleeved with a chain 210, the chain wheels 209 are meshed with each other through the chains 210, and one rotating shaft 204 penetrates through the rectangular sealing box body 1 to be connected with a first external servo motor.
The strand penetrating and conveying mechanism 2 is characterized in that a plurality of wire seats 201 and a plurality of wire supports 202 are arranged in a staggered mode, a reserved gap between every two adjacent wire seats 201 exposes a steel strand, a grinding roller 205 is arranged around the steel strand, and the steel strand is conveyed by being driven to rotate by a rotating shaft 204.
The invention completes the synchronous movement of a plurality of steel strands and can improve the strand pulling efficiency.
Example 3:
referring to FIGS. 5-9, the embodiments 1-2 are different from each other; bundle head 3 is worn in steel strand wires locking is including fixed pipe 301, wears to restraint head 302, it has external screw tube 303 to wear to restraint head 302 tip fixedly connected with, external screw tube 303 inserts fixed pipe 301 inside and rather than threaded connection, the inside inner wall that is close to the screwed pipe of fixed pipe 301 is the annular equidistant a plurality of stoppers 304 that are fixed with, the tip of fixed pipe 301 rotates and is connected with the fixed plate 305 that is T type column structure.
The steel strand locking and threading head 3 further comprises a steel pipe 313 fixedly sleeved at the end part of the cable, the diameter of the steel pipe 313 is the same as the aperture of the threading hole 203, a connecting rod 314 with a smaller diameter is fixed at the end part of the steel pipe 313, and a steel ball 315 with the diameter being the same as the aperture of the first limiting hole 306 is welded at the end part of the connecting rod 314.
The steel strand locking and penetrating head 3 is used for connecting a plurality of steel strands, is placed at the other end of the rectangular sealing box body 1, and carries the plurality of steel strands to be synchronously penetrated and bundled after the steel strands are fixed. It should be noted that the steel tube 313 needs to be sleeved on the steel strand and fixed before threading, the end of the steel strand cannot be completely relaxed due to the sleeving of the steel tube 313, the overall length of the connecting rod 314 at the front end of the steel tube 313 and the steel ball 315 is greater than the distance between the two adjacent wire seats 201, and the steel ball 315 leads the steel strand to penetrate into the rectangular sealed box 1 and is inserted into the steel strand locking threading head 3.
In the invention, after the strand penetrating head 302 of the strand locking strand penetrating head 3 is in a hemispherical state and is in threaded connection with the fixed pipe 301, the fixed pipe 301 is a sealed pipe body, the other end of the fixed pipe 301 is provided with a plurality of first limiting holes 306, only the steel ball 315 penetrates through the fixed pipe, the fixed pipe 301 is provided with a second limiting hole 308 which is the same as and corresponds to the first limiting holes 306 on a turntable 307 which is rotatably arranged inside the fixed pipe 301, the steel ball 315 sequentially penetrates through the first limiting holes 306 and the second limiting holes 308, the eccentric rotation of the fixed pipe is controlled by a limiting rod 309 on the turntable 307, the first limiting holes 306 and the second limiting holes 308 are staggered, and the connecting rod 314 is clamped to fix the steel ball 315 inside the fixed pipe 301.
The rotation of the rotating disc 307 is realized by the rotation control of the penetrating head 302, specifically, the end of the penetrating head 302 is rotatably connected with a T-shaped fixing plate 305 penetrating into the fixed tube 301, the fixing plate 305 is blocked by a plurality of limiting blocks 304 so that the fixing plate cannot be taken out of the fixed tube 301, meanwhile, the fixing plate 305 is welded with a limiting tube 311, an annular limiting groove is formed in the limiting tube 311, the limiting rod 309 is partially inserted into an arc limiting ring 310 welded on the outer wall of the limiting tube 311 and matched with the arc limiting groove 312, due to the threaded connection of the fixed tube 301 and the penetrating head 302, when the penetrating head 302 rotates, the fixing plate 305 approaches the steel ball 315, the limiting rod 309 continuously extends into the limiting tube 311 and is limited by the arc limiting ring 310 and the arc limiting groove 312 to realize the rotation, so as to complete the rotation of the rotating disc 307, thereby fixing the steel ball 315, and completing the butt joint and fixation of the steel strand and the penetrating head 302.
Example 3:
referring to FIGS. 2 and 4, the embodiments 1-3 are different from each other; the centre gripping locking mechanism 4 includes that first accomodating pipe 401, second accomodate pipe 402, first accomodating pipe 401 is fixed in inside the box, the second is accomodate pipe 402 and first accomodating pipe 401 and is rotated and be connected, two fixed slots 403 have been seted up to piling up on the first accomodating pipe 401, the inside clamping bar 404 that is connected with the gas pole that is equipped with of fixed slot 403, the second is accomodate and is managed 402 inner wall and is fixed with the rubber pad, the second is accomodate pipe 402 and is received the drive of second servo motor rotatory.
According to the invention, a first storage pipe 401 is rotatably connected with a second storage pipe 402 to be combined for storing a fixed pipe 301 and a beam penetrating head 302, the fixed pipe 301 corresponds to the first storage pipe 401, the beam penetrating head 302 corresponds to the second storage pipe 402, a clamping rod 404 for clamping the fixed pipe 301 is arranged on a fixed groove 403 formed in the first storage pipe 401, so that the fixed pipe 301 is stable and convenient for butt joint and fixation of a steel strand, the second storage pipe 402 utilizes a rubber pad to increase the friction force with the beam penetrating head 302, so that the second storage pipe 402 synchronously rotates, and the steel ball 315 is fixed to complete transmission preparation work.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (3)
1. The utility model provides a device is worn to restraint by bridge steel strand wires is whole, includes sealed box of rectangle (1), its characterized in that: also comprises a step of adding a new type of additive,
the bundle penetrating conveying mechanism (2) is arranged inside the rectangular sealing box body (1) and is used for simultaneously transmitting a plurality of cables;
the strand penetrating conveying mechanism (2) comprises a wire seat (201) and a wire support (202); the wire seats (201) are distributed along the same horizontal line, gaps are reserved among the wire seats, the upper ends and the lower ends of the wire seats (201) are connected with the inner wall of the rectangular sealing box body (1) through supports, the wire seats (201) are of a horizontally arranged cylinder structure and are uniformly provided with a plurality of threading holes (203), and the wire supports (202) are arranged between the two wire seats (201) and are fixedly connected with the wire seats respectively;
the outer sides of the wire supports (202) are distributed with three rotating shafts (204) in an inverted triangle structure, grinding rollers (205) for increasing friction are sleeved in the middle of the rotating shafts (204), the rotating shafts (204) at the top are longitudinally and horizontally arranged and perpendicular to the wire seats (201), first universal joints (206) are sleeved at two ends of the inclined rotating shafts (204), connecting shafts (211) are connected with the upper end and the lower end of the inclined rotating shafts (204) respectively in the horizontal direction and the vertical direction, second universal joints (207) connected with the first universal joints (206) are arranged at the end parts of the connecting shafts (211), the connecting shafts (211) horizontally arranged are parallel to the rotating shafts (204) at the top and are provided with gears (208) which are meshed with each other at the same position, the end parts of the rotating shafts (204) and the connecting shafts (211) extend to the inner wall of the rectangular sealing box body (1) to realize rotary connection, chain wheels (209) are sleeved on a plurality of the rotating shafts (204), one chain wheel (209) is sleeved with a plurality of chain wheels (210), and a plurality of the rotating shafts (209) are connected with a motor (204) in a sealed mode;
the steel strand locking and penetrating head (3) is arranged inside the rectangular sealing box body (1) and is arranged in parallel with the penetrating and conveying mechanism (2) for butt joint, and a plurality of cables are connected for synchronous beam transmission;
the steel strand locking and penetrating head (3) comprises a fixed pipe (301) and a penetrating head (302), the end part of the penetrating head (302) is fixedly connected with an external threaded pipe (303), the external threaded pipe (303) is inserted into the fixed pipe (301) and is in threaded connection with the fixed pipe, a plurality of limiting blocks (304) are fixed on the inner wall, close to the threaded pipe, of the inner part of the fixed pipe (301) at equal intervals in an annular mode, and the end part of the fixed pipe (301) is rotatably connected with a fixing plate (305) in a T-shaped column structure;
the clamping and locking mechanism (4) is arranged on the outer side of the steel strand locking and bundling head (3), and the steel strand locking and bundling head (3) is automatically and fixedly connected with a plurality of cables;
centre gripping locking mechanism (4) are including first accomodating pipe (401), second accomodating pipe (402), first accomodating pipe (401) are fixed in inside the box, the second is accomodate pipe (402) and is rotated with first accomodating pipe (401) and be connected, two fixed slots (403) have been seted up in piling up on first accomodating pipe (401), fixed slot (403) inside be equipped with clamping bar (404) of being connected with the gas pole, second is accomodate pipe (402) inner wall and is fixed with the rubber pad, second is accomodate pipe (402) and is received second servo motor drive rotation.
2. The integral bridge steel strand pulling device according to claim 1, characterized in that: the other end of fixed pipe (301) is seted up and is less than first spacing hole (306) in through wires hole (203) aperture, fixed pipe (301) inside is pressed close to first spacing hole (306) one end and is equipped with carousel (307), set up the spacing hole of the same and corresponding second (308) with first spacing hole (306) on carousel (307), fixed pipe (301) the skew centre of a circle and rotate with the staggered position in first spacing hole (306) and be connected with gag lever post (309), gag lever post (309) pass carousel (307) and are connected fixedly with it, the position welding that carousel (307) were passed in gag lever post (309) has arc spacing ring (310), fixed plate (305) terminal surface is just being connected with arc spacing ring (310)
The position of the limiting rod (309) is fixed with a limiting pipe (311), an arc-shaped limiting groove (312) is formed in the limiting pipe (311), the limiting rod (309) is partially inserted into the limiting pipe (311) and matched with the arc-shaped limiting groove (312) through an arc-shaped limiting ring (310).
3. The integral bridge steel strand pulling device according to claim 2, characterized in that: the steel strand locking and threading head (3) further comprises a steel pipe (313) fixedly sleeved at the end part of the cable, the diameter of the steel pipe (313) is the same as the aperture of the threading hole (203), a connecting rod (314) with a smaller diameter is fixed at the end part of the steel pipe (313), and a steel ball (315) with a diameter being the same as the aperture of the first limiting hole (306) is welded at the end part of the connecting rod (314).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111353085.8A CN114059774B (en) | 2021-11-16 | 2021-11-16 | Bridge steel strand overall pulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111353085.8A CN114059774B (en) | 2021-11-16 | 2021-11-16 | Bridge steel strand overall pulling device |
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| CN114059774A CN114059774A (en) | 2022-02-18 |
| CN114059774B true CN114059774B (en) | 2023-02-24 |
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| CN117702913B (en) * | 2023-09-05 | 2024-09-24 | 北京市建筑工程研究院有限责任公司 | Middle large-opening four-corner floor arch shell structure system and construction method thereof |
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| JP2009167630A (en) * | 2008-01-11 | 2009-07-30 | Japan Found Eng Co Ltd | Anchor tension method and anchor tension jig |
| CN111335646A (en) * | 2020-03-13 | 2020-06-26 | 王西海 | Steel strand pulling machine and auxiliary device |
| CN211229583U (en) * | 2019-11-15 | 2020-08-11 | 中铁十五局集团第五工程有限公司 | End fixing device for steel strand traction |
| CN112411378A (en) * | 2019-08-20 | 2021-02-26 | 河北高达智能装备股份有限公司 | Bridge prestressing force whole bundle of steel strand wires compresses tightly conveyor |
| CN112680589A (en) * | 2020-12-15 | 2021-04-20 | 奥盛新材料股份有限公司 | Steel strand stress relieving device for bridge and working method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101008876B1 (en) * | 2010-03-02 | 2011-01-19 | 주식회사 성화씨앤비 | Stranded wire coupling device |
| CN105370043A (en) * | 2015-09-29 | 2016-03-02 | 中国建筑第二工程局有限公司 | Steel strand bundle guiding device and steel strand bundle penetrating method |
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- 2021-11-16 CN CN202111353085.8A patent/CN114059774B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009167630A (en) * | 2008-01-11 | 2009-07-30 | Japan Found Eng Co Ltd | Anchor tension method and anchor tension jig |
| CN112411378A (en) * | 2019-08-20 | 2021-02-26 | 河北高达智能装备股份有限公司 | Bridge prestressing force whole bundle of steel strand wires compresses tightly conveyor |
| CN211229583U (en) * | 2019-11-15 | 2020-08-11 | 中铁十五局集团第五工程有限公司 | End fixing device for steel strand traction |
| CN111335646A (en) * | 2020-03-13 | 2020-06-26 | 王西海 | Steel strand pulling machine and auxiliary device |
| CN112680589A (en) * | 2020-12-15 | 2021-04-20 | 奥盛新材料股份有限公司 | Steel strand stress relieving device for bridge and working method thereof |
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| CN114059774A (en) | 2022-02-18 |
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