CN211646009U - Prestressed anchorage utensil is used in bridge construction - Google Patents
Prestressed anchorage utensil is used in bridge construction Download PDFInfo
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- CN211646009U CN211646009U CN201922107217.3U CN201922107217U CN211646009U CN 211646009 U CN211646009 U CN 211646009U CN 201922107217 U CN201922107217 U CN 201922107217U CN 211646009 U CN211646009 U CN 211646009U
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 230000008878 coupling Effects 0.000 claims abstract description 23
- 238000010168 coupling process Methods 0.000 claims abstract description 23
- 238000005859 coupling reaction Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims description 28
- 210000003205 muscle Anatomy 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 230000002349 favourable effect Effects 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
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Abstract
The utility model discloses a prestressed anchorage utensil is used in bridge construction, including anchor backing plate and bellows, the left end rigid coupling of anchor backing plate has the bellows, the right-hand member outer wall rigid coupling of anchor backing plate has annular frid, the inner wall of annular frid is equipped with work anchor slab, fixed establishment is all installed at the upper and lower both ends of annular frid. This prestressed anchorage utensil is used in bridge construction, through the cooperation use of bolt, picture peg, annular frid and fixture block etc. can make the hookup location of work anchor slab and anchor backing plate accurate, uses through the cooperation of riser, diaphragm and inserted bar etc. prevents that the screw thread damage of screw from causing the problem of the dismantlement difficulty between clamp plate and the work anchor slab, uses through the cooperation of horizontal pole, spring and plug etc. makes things convenient for being connected between clamp plate and the work anchor slab, and convenient the dismantlement.
Description
Technical Field
The utility model relates to a prestressed anchorage utensil technical field specifically is a prestressed anchorage utensil is used in bridge construction.
Background
The anchorage device is a permanent anchorage device used in prestressed concrete, and is an anchorage tool which is used for maintaining the tensile force of a prestressed tendon and transmitting the tensile force to the interior of the concrete in a post-tensioning structure or a post-tensioning member, and is also called a prestressed anchorage device, for example, a novel prestressed anchorage device for highway bridge construction of application No. 201720830554.3 is favorable for dispersing the stress in a pressing plate by arranging a round hole, the pressing plate can be effectively fixed on a working anchor plate by arranging a screw and bears the vertical shear force vertical to a steel strand to avoid the loosening of a clamping piece, the fixing of the steel strand and the maintenance of the prestressed force after tensioning are favorable by arranging the clamping piece, the concrete is conveniently injected into a corrugated pipe by arranging a grouting hole, the fixing of the steel strand during tensioning is favorable by arranging an anchor backing plate and the corrugated pipe fixedly connected to the interior of a bridge pier, but the traditional prestressed anchorage device for novel bridge construction is provided, the junction position of work anchor slab and anchor backing plate is not accurate enough, leads to the practicality of whole mechanism to descend, uses the screw to be connected between clamp plate and the work anchor slab, in case the screw thread damage of screw will cause the dismantlement difficulty between clamp plate and the work anchor slab, hardly satisfies the user demand of people to the prestressed anchorage utensil.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prestressed anchorage utensil is used in bridge construction to propose current novel prestressed anchorage utensil is used in bridge construction in solving above-mentioned background art, the hookup location of work anchor slab and anchor backing plate is not accurate enough, leads to the problem that the practicality of whole mechanism descends.
In order to achieve the above object, the utility model provides a following technical scheme: a prestressed anchorage device for bridge construction comprises an anchor backing plate and a corrugated pipe, wherein the corrugated pipe is fixedly connected to the left end of the anchor backing plate, an annular groove plate is fixedly connected to the outer wall of the right end of the anchor backing plate, a working anchor plate is arranged on the inner wall of the annular groove plate, and fixing mechanisms are arranged at the upper end and the lower end of the annular groove plate;
the fixing mechanism comprises a bolt, a clamping groove and an inserting plate;
the outer wall of the bolt penetrates through the clamping groove and the inserting plate to be in threaded connection with the annular groove plate, the clamping groove is formed in the annular groove plate, and the inserting plate is in clearance fit with the clamping groove. The design is convenient for the connection between the working anchor plate and the anchor backing plate.
Preferably, the insert plates are symmetrically distributed about the annular groove plate. The design makes the connection between the work anchor plate and the anchor backing plate firmer.
Preferably, the equal rigid coupling in upper and lower both ends of work anchor slab has the fixture block, two the outer wall of fixture block and the inside recess clearance fit of ring channel board, the right-hand member laminating of fixture block has the clamping ring, the inner wall and the work anchor slab clearance fit of clamping ring, the upper and lower both ends of clamping ring all with bolt threaded connection, the steel strand wires have been cup jointed to the inside of work anchor slab, and is a plurality of the steel strand wires and the work anchor slab between all closely laminate and have the work clamping piece, the left end outer wall rigid coupling of anchor backing plate has the spiral muscle, the inner wall and the bellows clearance fit of spiral muscle. The fixture block can ensure that the connecting position between the working anchor plate and the anchor backing plate is accurate.
Preferably, the upper side and the lower side of the outer wall of the working anchor plate are fixedly connected with connecting mechanisms;
the connecting mechanism comprises a vertical plate, a transverse plate, a through hole, an inserting rod and a pressing plate;
two the outer wall of riser all with work anchor slab looks rigid coupling, the right-hand member rigid coupling of riser has the diaphragm, the outer wall processing of diaphragm has the through-hole, the inner wall of through-hole has cup jointed the inserted bar, inserted bar and through-hole clearance fit, the clamp plate has been cup jointed to the outer wall of inserted bar, inserted bar and clamp plate clearance fit, the inner wall and the work anchor slab clearance fit of clamp plate. The design changes traditional screw connection mode like this, prevents the phenomenon of screw thread damage and takes place.
Preferably, the vertical plate is vertically connected with the transverse plate. The design is convenient for the connection of the pressing plate and the working anchor plate.
Preferably, a pulling mechanism is arranged inside the pressure plate;
the pulling mechanism comprises a cross rod, a pull ring, a baffle, a spring and a plug;
two the outer wall and the clamp plate clearance fit of horizontal pole, the right-hand member rigid coupling of horizontal pole has the pull ring, the left end rigid coupling of horizontal pole has the baffle, the outer wall and the clamp plate clearance fit of baffle, the spring has been cup jointed to the outer wall of horizontal pole, both ends are laminated with baffle and clamp plate mutually respectively about the spring, the left end rigid coupling of baffle has the plug, the outer wall and the inserted bar clearance fit of plug. The design is convenient for the disassembly of the pressing plate.
Preferably, the cross bar and the plug are located on the same horizontal line. The plug can be driven to move by pulling the cross rod.
Preferably, the cross bar and the pressing plate form a sliding mechanism. The plug and the inserted bar are conveniently separated by sliding the cross bar left and right.
Compared with the prior art, the beneficial effects of the utility model are that: this prestressed anchorage utensil is used in bridge construction compares traditional technology, has following advantage:
through the cooperation use of bolt, picture peg, annular frid and fixture block etc. can make the hookup location of work anchor slab and anchor backing plate accurate, and firm in connection between work anchor slab and the anchor backing plate, and then improve whole mechanism's practicality.
Through the cooperation use of riser, diaphragm and inserted bar etc. change among the prior art and use the connected mode between clamp plate and the work anchor slab with the screw, prevent that the screw thread damage of screw from causing the problem of the dismantlement difficulty between clamp plate and the work anchor slab.
Through the cooperation use of horizontal pole, spring and plug etc. make things convenient for being connected between clamp plate and the work anchor slab, and convenient the dismantlement, improve the user demand of people to prestressed anchorage utensil in the bridge construction greatly.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a connection structure between the fixing mechanism and the connecting ring in FIG. 1;
FIG. 3 is a schematic view of the coupling mechanism of FIG. 1;
fig. 4 is a schematic view of a connection structure of the pulling mechanism and the pressing plate in fig. 1.
In the figure: 1. anchor backing plate, 2, bellows, 3, annular groove board, 4, work anchor slab, 5, fixed establishment, 501, bolt, 502, draw-in groove, 503, picture peg, 6, coupling mechanism, 601, riser, 602, diaphragm, 603, through-hole, 604, inserted bar, 605, clamp plate, 7, pulling mechanism, 701, horizontal pole, 702, pull ring, 703, baffle, 704, spring, 705, plug, 8, stranded wire, 9, work clamping piece, 10, fixture block, 11, coupling ring, 12, spiral muscle.
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.
Referring to fig. 1-4, the present invention provides a technical solution: a prestressed anchorage device for bridge construction comprises an anchor backing plate 1 and a corrugated pipe 2, wherein a mounting hole and a grouting opening are formed in the anchor backing plate 1, the corrugated pipe 2 is fixedly connected at the left end of the anchor backing plate 1, an annular groove plate 3 is fixedly connected to the outer wall of the right end of the anchor backing plate 1, the annular groove plate 3 is used for connecting a working anchor plate 4 with the anchor backing plate 1, the inner wall of the annular groove plate 3 is provided with the working anchor plate 4, the upper end and the lower end of the annular groove plate 3 are both provided with a fixing mechanism 5, the fixing mechanism 5 comprises a bolt 501, the outer walls of the two bolts 501 penetrate through the clamping groove 502 and the inserting plate 503 to be in threaded connection with the annular groove plate 3, the bolts 501 can be detached from the clamping groove 502, the inserting plate 503 and the annular groove plate 3, the clamping groove 502 is arranged inside the annular groove plate 3, the inserting plate 503 is in clearance fit with the clamping groove 502, the inserting plates 503 are symmetrically distributed about the annular groove plate 3, and the inserting plates 503 are sleeved at the upper end and the lower end of the annular groove plate 3.
The equal rigid coupling in upper and lower both ends of work anchor slab 4 has fixture block 10, the outer wall of two fixture blocks 10 and the inside recess clearance fit of ring channel board 3, fixture block 10 plays limiting displacement, the right-hand member laminating of fixture block 10 has clamping ring 11, the inner wall of clamping ring 11 and the 4 clearance fits of work anchor slab, clamping ring 11 can remove at the outer wall of work anchor slab 4, the upper and lower both ends of clamping ring 11 all with bolt 501 threaded connection, work anchor slab 4's inside has cup jointed steel strand wires 8, three steel strand wires 8 and work anchor slab between 4 all closely the laminating have work clamping piece 9, steel strand wires 8 pass through work clamping piece 9 and are connected with work anchor slab 4, the left end outer wall rigid coupling of anchor backing plate 1 has spiral muscle 12, the inner wall and the 2 clearance fits of bellows of spiral muscle 12.
The upper side and the lower side of the outer wall of the work anchor plate 4 are fixedly connected with the connecting mechanisms 6, each connecting mechanism 6 comprises a vertical plate 601, a transverse plate 602, a through hole 603, an inserting rod 604 and a pressing plate 605, the outer walls of the two vertical plates 601 are fixedly connected with the work anchor plate 4, the transverse plate 602 is fixedly connected to the right end of each vertical plate 601, the through hole 603 is processed in the outer wall of the transverse plate 602, the inserting rod 604 is sleeved on the inner wall of the through hole 603, the inserting rod 604 can move up and down on the outer wall of the through hole 603, the inserting rod 604 is in clearance fit with the through hole 603, the pressing plate 605 is sleeved on the outer wall of the inserting rod 603, the inserting rod 604 is in clearance fit with the pressing plate 605, the inner wall of the pressing plate 605 is detached from the outer wall of the pressing plate 605, the vertical plate.
A pulling mechanism 7 is arranged inside the pressure plate 605, the pulling mechanism 7 comprises a cross bar 701 and a pull ring 702, the outer walls of the two cross rods 701 are in clearance fit with the pressure plate 605, the cross rods 701 can move left and right in the pressure plate 605, pull rings 702 are fixedly connected to the right ends of the cross rods 701, the left ends of the cross rods 701 are fixedly connected with the baffle 703, the pull rings 702 can be pulled to drive the cross rods 701 and the baffle 703 to move, the outer walls of the baffle 703 are in clearance fit with the pressure plate 605, springs 704 are sleeved on the outer walls of the cross rods 701, the left ends and the right ends of the springs 704 are respectively attached to the baffle 703 and the pressure plate 605, the baffle 703 can be compressed by moving the baffle 703 right, the left end of the baffle 703 is fixedly connected with the plug 705, the outer walls of the plug 705 are in clearance fit with the plug rod 604, the cross rods 701 and the plug 705 are located on the same horizontal line, the cross rods 701 and the pressure plate 605 form a.
In this example, when using the prestressed anchorage device, firstly, the working anchor plate 4 with the locking block 10 is inserted into the locking groove of the annular groove plate 3 to ensure the accurate connection position of the working anchor plate 4 and the anchor backing plate 1, then the connecting ring 11 is moved leftwards to make the left end of the connecting ring 11 enter into the annular groove plate 3, the inserting plate 503 is inserted into the locking groove 502 through the connecting ring 11, then the bolt 501 is inserted into the annular groove plate 3 and the inserting plate 503 to be connected with the connecting ring 11 by screw threads, then the steel strand 8 which penetrates through the outer wall of the pressing plate 605 and is connected with the working anchor plate 4 by the working clamping piece 9 is sleeved at the right end of the working anchor plate 4, the transverse plate 602 is inserted into the left end of the pressing plate 605, the inserting rod 604 penetrates through a part of the wind and the through hole 603 of the pressing plate 605, the baffle 703 and the plug 705 are inserted into the inserting rod 604 under the elastic force of the spring 704, and then, when the pressure plate 605 needs to be detached from the outer wall of the working anchor plate 4, the pressure plate 605 can be separated from the working anchor plate 4 by pulling the pull ring 702 to drive the cross rod 701 and the baffle 703 to compress the spring 704 in the pressure plate 605, and simultaneously, the cross rod 701 drives the plug 705 to separate from the inserted rod 604, and the inserted rod 604 is taken out of the pressure plate 605.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
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 (8)
1. The utility model provides a prestressed anchorage utensil is used in bridge construction, includes anchor backing plate (1) and bellows (2), the left end rigid coupling of anchor backing plate (1) has bellows (2), the right-hand member outer wall rigid coupling of anchor backing plate (1) has annular frid (3), the inner wall of annular frid (3) is equipped with work anchor slab (4), its characterized in that: the upper end and the lower end of the annular groove plate (3) are provided with fixing mechanisms (5);
the fixing mechanism (5) comprises a bolt (501), a clamping groove (502) and an inserting plate (503);
two the outer wall of bolt (501) runs through draw-in groove (502) and picture peg (503) and annular frid (3) threaded connection, the inside in annular frid (3) is seted up in draw-in groove (502), picture peg (503) and draw-in groove (502) clearance fit.
2. The prestressed anchorage device for bridge construction according to claim 1, wherein: the inserting plates (503) are symmetrically distributed around the annular groove plate (3).
3. The prestressed anchorage device for bridge construction according to claim 1, wherein: the equal rigid coupling in upper and lower both ends of work anchor slab (4) has fixture block (10), two the outer wall of fixture block (10) and the inside recess clearance fit of annular frid (3), the right-hand member laminating of fixture block (10) has clamping ring (11), the inner wall and the work anchor slab (4) clearance fit of clamping ring (11), the upper and lower both ends of clamping ring (11) all with bolt (501) threaded connection, stranded wire (8) have been cup jointed to the inside of work anchor slab (4), and are a plurality of stranded wire (8) and work anchor slab (4) between all closely laminate work clamping piece (9), the left end outer wall rigid coupling of anchor backing plate (1) has spiral muscle (12), the inner wall and bellows (2) clearance fit of spiral muscle (12).
4. The prestressed anchorage device for bridge construction according to claim 1, wherein: the upper side and the lower side of the outer wall of the working anchor plate (4) are fixedly connected with connecting mechanisms (6);
the connecting mechanism (6) comprises a vertical plate (601), a transverse plate (602), a through hole (603), an inserting rod (604) and a pressing plate (605);
two the outer wall of riser (601) all with work anchor slab (4) looks rigid coupling, the right-hand member rigid coupling of riser (601) has diaphragm (602), the outer wall processing of diaphragm (602) has through-hole (603), the inner wall of through-hole (603) has cup jointed inserted bar (604), inserted bar (604) and through-hole (603) clearance fit, the outer wall of inserted bar (604) has cup jointed clamp plate (605), inserted bar (604) and clamp plate (605) clearance fit, the inner wall and the work anchor slab (4) clearance fit of clamp plate (605).
5. The prestressed anchorage device for bridge construction according to claim 4, wherein: the vertical plate (601) is vertically connected with the transverse plate (602).
6. The prestressed anchorage device for bridge construction according to claim 5, wherein: a pulling mechanism (7) is arranged in the pressure plate (605);
the pulling mechanism (7) comprises a cross bar (701), a pull ring (702), a baffle (703), a spring (704) and a plug (705);
the outer wall of two horizontal pole (701) and clamp plate (605) clearance fit, the right-hand member rigid coupling of horizontal pole (701) has pull ring (702), the left end rigid coupling of horizontal pole (701) has baffle (703), the outer wall and the clamp plate (605) clearance fit of baffle (703), the outer wall cup joints spring (704) of horizontal pole (701), the left and right sides both ends of spring (704) are laminated with baffle (703) and clamp plate (605) respectively mutually, the left end rigid coupling of baffle (703) has plug (705), the outer wall and inserted bar (604) clearance fit of plug (705).
7. The prestressed anchorage device for bridge construction according to claim 6, wherein: the cross bar (701) and the plug (705) are positioned on the same horizontal line.
8. The prestressed anchorage device for bridge construction according to claim 6, wherein: the cross rod (701) and the pressure plate (605) form a sliding mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922107217.3U CN211646009U (en) | 2019-11-29 | 2019-11-29 | Prestressed anchorage utensil is used in bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922107217.3U CN211646009U (en) | 2019-11-29 | 2019-11-29 | Prestressed anchorage utensil is used in bridge construction |
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| Publication Number | Publication Date |
|---|---|
| CN211646009U true CN211646009U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922107217.3U Expired - Fee Related CN211646009U (en) | 2019-11-29 | 2019-11-29 | Prestressed anchorage utensil is used in bridge construction |
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| CN (1) | CN211646009U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240001A (en) * | 2020-11-23 | 2021-01-19 | 华观兰 | Prestressed anchorage utensil is used in public road bridge roof beam construction |
-
2019
- 2019-11-29 CN CN201922107217.3U patent/CN211646009U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240001A (en) * | 2020-11-23 | 2021-01-19 | 华观兰 | Prestressed anchorage utensil is used in public road bridge roof beam construction |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 |
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| CF01 | Termination of patent right due to non-payment of annual fee |