CN203097117U - Stretch-draw anchoring device for secondary clamping of pre-stressed sheet - Google Patents
Stretch-draw anchoring device for secondary clamping of pre-stressed sheet Download PDFInfo
- Publication number
- CN203097117U CN203097117U CN 201320069257 CN201320069257U CN203097117U CN 203097117 U CN203097117 U CN 203097117U CN 201320069257 CN201320069257 CN 201320069257 CN 201320069257 U CN201320069257 U CN 201320069257U CN 203097117 U CN203097117 U CN 203097117U
- Authority
- CN
- China
- Prior art keywords
- stretch
- draw
- anchoring
- clamping plate
- ground tackle
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a stretch-draw anchoring device for secondary clamping of a pre-stressed sheet. The anchoring device comprises an anchoring anchor assembly (1), a stretch-draw pressure bearing block (2), a horizontal jack (3), a stretch-draw bearing and supporting block (4) and a stretch-draw anchor assembly (5), wherein the anchoring anchor assembly (1) comprises an upper anchoring clamping plate (11), a lower anchoring clamping plate (12), a permanent-clamping bolt nut (14) and a force transmission bolt (15); the stretch-draw anchor assembly (5) comprises an upper stretch-draw clamping plate (51), a lower stretch-draw clamping plate (52) and a stretch-draw clamping bolt nut (53). The device is characterized in that the stretch-draw and the anchoring are completely separated and the permanent component is simple, not only can stretch, draw and anchor the high-stress and large-tonnage pre-stressed sheet based on functions of automatically aligning the stretch-draw and the anchoring, but also can ensure no loss of the pre-stress in a use process.
Description
Technical field
The utility model belongs to the prestressing technique field of engineering structures, be specifically related to a kind of prestressing force sheet material stretching and anchoring device, its stretch-draw separates fully with anchoring, permanent member is simple, when possessing automatic centering stretch-draw and directed anchoring function, can not only realize to guarantee that to stretch-draw anchor heavily stressed, large-tonnage prestressing force sheet material in use ground tackle does not produce loss of prestress.
Background technology
The prestressing force sheet material, prestressed high strength fiber composite material is particularly arranged, can be widely used in strengthening or reinforcing civil engineering structure (as concrete structure, steel work, wooden construction etc.), improve the functional performance and the durability of engineering structures, have very important society, economic benefit.Because the loading characteristic (poor) of flaky material itself as shear behavior, stretch-draw need guarantee that all the be subjected to force direction and the sheet material of ground tackle are subjected to force direction identical during with anchoring, can guarantee that just sheet material horizontal shear stress and warping stress can not occur under the anchor, promptly when stretch-draw, require centering, when anchoring, require directed.
State Intellectual Property Office has announced a kind of " the automatic centering stretching and anchoring device of the clipping ground tackle of prestressing force sheet material " on October 26th, 2011, the patent No. is ZL201120038811.2, sheet material is by clipping ground tackle clamping, the front end of holding the power screw rod is fixed on the clipping ground tackle, the jacking force of horizontal jack passes to and holds the power screw rod and apply stretching force to holding the power screw rod by holding top board, anchor pressing plate, adjusting nut successively, and prestressing force applies by the stretch-draw of holding the power screw rod is realized.To be tensioned after the appointment requirement, adopt anchoring double nut and hinge cushion block to carry out directed anchoring.This device can be realized stretch-draw automatic centering and directed anchoring, but also has certain limitation:
(1) adopted the stretching and anchoring device of clipping ground tackle, hold power screw rod power transmission stretch-draw for solving general employing of automatic centering and directed anchoring problem, the anchoring of nut pressure-bearing, the size of stretch-draw anchor power is subjected to holding the restriction of power screw rod and nut member size, type of attachment etc., in the actual engineering, screw rod, nut all can not adopt very big cross section, screw rod also can not be very long with the length that is connected between nut, cause the anchoring ability of ground tackle not give full play to, stretch-draw anchor is heavily stressed, large-tonnage prestressing force sheet material is still a difficult problem at present;
(2) because anchoring adopts screw rod, nut to connect power transmission, in operational phase, when particularly having the dynamic load effect structurally, between nut and screw rod relative slip takes place easily, cause loss of prestress;
(3) stretch-draw does not separate fully with anchoring, be that the stretch-draw member also is the part of anchorage element simultaneously, as hold the power screw rod, the anchoring pedestal is the share components of stretch-draw and anchoring, these share components must be as the part of permanent anchorage element after the stretch-draw, can't remove and reuse, both having wasted material also influences attractive in appearance.
The utility model content
The purpose of this utility model is to provide that a kind of stretch-draw separates fully with anchoring, the simple more prestressing force sheet material stretching and anchoring device of permanent member, under the prerequisite that possesses automatic centering stretch-draw and directed anchoring function, can not only realize to guarantee that to stretch-draw anchor heavily stressed, large-tonnage prestressing force sheet material in use ground tackle does not produce loss of prestress.
For reaching above-mentioned purpose, the technical scheme that the utility model adopted is: a kind of prestressing force sheet material secondary clamping stretching and anchoring device comprises that jacking block is held in the combination of anchoring ground tackle, stretch-draw pressure block, horizontal jack, the stretch-draw of laying successively from front to back and tension ground tackle makes up; Described anchoring ground tackle combination comprises the last anchoring clamping plate of arranging successively from top to bottom, following anchoring clamping plate and base, the described anchoring clamping plate of going up agree with by curved surface mutually with following anchoring clamping plate, and can tighten together by permanent grip bolt nut, described anchoring clamping plate down and base tighten together by the power transmission bolt, the hole of passing through for the power transmission bolt on the described base is horizontal bar hole, the hole of passing through for the power transmission bolt on the described anchoring clamping plate down is an arcuate socket, and the segmental arc of each arcuate socket all is positioned on the same circumference; Described tension ground tackle combination comprises stretch-draw clamping plate and following stretch-draw clamping plate, and the described stretch-draw clamping plate of going up agree with by curved surface mutually with following stretch-draw clamping plate, and tighten together by stretch-draw grip bolt nut; The first horizontal bar hole placed in the middle about having on the described stretch-draw pressure block, stretch-draw second horizontal bar hole placed in the middle about holding and having on the jacking block, the rear end face that jacking block is held in the front end face of described tension ground tackle combination and described stretch-draw compresses and contacts, and tension ground tackle makes up and stretch-draw is held compressing between the contact surface of jacking block and can be relatively rotated.
This utility model is to implement like this: before the sheet material stretch-draw, in advance sheet material is clamped between the upper and lower stretch-draw clamping plate of tension ground tackle combination, and tighten together by stretch-draw grip bolt nut, treat the anchorage point firm banking in engineering structures then, the following anchoring clamping plate that will be installed with permanent grip bolt by the power transmission bolt in advance are installed on the base, lay stretch-draw pressure block, horizontal jack, stretch-draw at the base rear successively and hold jacking block and tension ground tackle combination; Hold jacking block, tension ground tackle combination carrying out stretch-draw by the stretch-draw of horizontal jack pushing tow, the rear end face that jacking block is held in the front end face of tension ground tackle combination and stretch-draw compresses and contacts pressure-bearing, and can relatively rotate between the two, guaranteed sheet material axially loaded and horizontal shear stress can not occur, automatic centering when having realized stretch-draw all the time; After treating that sheet material stretch-draw is finished, adjust anchoring clamping plate horizontal direction and position down, vertical middle section of anchoring clamping plate is overlapped, with vertical middle section of sheet material again by the upper and lower anchoring clamping plate of permanent grip bolt nut check, finish anchoring work, realized directed anchoring; Remove stretch-draw pressure block, horizontal jack, stretch-draw at last and hold jacking block and tension ground tackle combination.Like this, the prestressing force in the sheet material is delivered on the engineering structures by anchoring clamping plate, power transmission bolt, base successively.
Second kind of technical scheme that the utility model adopts is: a kind of prestressing force sheet material secondary clamping stretching and anchoring device comprises that jacking block is held in the combination of anchoring ground tackle, stretch-draw pressure block, horizontal jack, the stretch-draw of laying successively from front to back and tension ground tackle makes up; Described anchoring ground tackle combination comprises the last anchoring clamping plate of arranging successively from top to bottom, following anchoring clamping plate and base, the described anchoring clamping plate of going up agree with by curved surface mutually with following anchoring clamping plate, and can tighten together by permanent grip bolt nut, described anchoring clamping plate down and base tighten together by the power transmission bolt, the hole of passing through for the power transmission bolt on the described base is an arcuate socket, and the segmental arc of each arcuate socket all is positioned on the same circumference, and the hole of passing through for the power transmission bolt on the described anchoring clamping plate down is horizontal bar hole; Described tension ground tackle combination comprises stretch-draw clamping plate and following stretch-draw clamping plate, and the described stretch-draw clamping plate of going up agree with by curved surface mutually with following stretch-draw clamping plate, and tighten together by stretch-draw grip bolt nut; The first horizontal bar hole placed in the middle about having on the described stretch-draw pressure block, stretch-draw second horizontal bar hole placed in the middle about holding and having on the jacking block, the rear end face that jacking block is held in the front end face of described tension ground tackle combination and described stretch-draw compresses and contacts, and tension ground tackle makes up and stretch-draw is held compressing between the contact surface of jacking block and can be relatively rotated.
Second kind of technical scheme is identical with the embodiment of first kind of technical scheme.
The third technical scheme that the utility model adopts is: a kind of prestressing force sheet material secondary clamping stretching and anchoring device comprises that jacking block is held in the combination of anchoring ground tackle, stretch-draw pressure block, horizontal jack, the stretch-draw of laying successively from front to back and tension ground tackle makes up; Described anchoring ground tackle combination comprises anchoring clamping plate and following anchoring clamping plate, the described anchoring clamping plate of going up agree with by curved surface mutually with following anchoring clamping plate, and can tighten together by permanent grip bolt nut, described anchoring clamping plate down are provided with the power transmission bolt that axis extends up and down, the hole of passing through for the power transmission bolt on the described anchoring clamping plate down is an arcuate socket, and the segmental arc of each arcuate socket all is positioned on the same circumference; Described tension ground tackle combination comprises stretch-draw clamping plate and following stretch-draw clamping plate, and the described stretch-draw clamping plate of going up agree with by curved surface mutually with following stretch-draw clamping plate, and tighten together by stretch-draw grip bolt nut; The first horizontal bar hole placed in the middle about having on the described stretch-draw pressure block, stretch-draw second horizontal bar hole placed in the middle about holding and having on the jacking block, the rear end face that jacking block is held in the front end face of described tension ground tackle combination and described stretch-draw compresses and contacts, and tension ground tackle makes up and stretch-draw is held compressing between the contact surface of jacking block and can be relatively rotated.
The embodiment of the third technical scheme and first, second kind technical scheme is basic identical, but during stretch-draw, the stretch-draw pressure block needs temporary consolidation on engineering structures, must remove after finishing stretch-draw anchor; During anchoring, vertical middle section of following anchoring clamping plate only needs parallel getting final product with vertical middle section of sheet material.
In first, second kind technical scheme, base is fixed on the engineering structures, and the power transmission bolt is used for fixing base and following anchoring clamping plate.And cancelled base in the third technical scheme, the power transmission bolt is direct and engineering structures is fixed.
In above-mentioned three kinds of technical schemes: the front end face of tension ground tackle combination is realized compressing contacting with the rear end face that jacking block is held in stretch-draw, and the form of structure that can relatively rotate is various, and its preferred version has following two kinds:
(1), in the front end face of described tension ground tackle combination, rear end face that jacking block is held in stretch-draw, one of them is the plane, another face is a convex surface.The front end face that is the tension ground tackle combination is a convex surface, and the rear end face that jacking block is held in stretch-draw is the plane; Perhaps, the front end face of tension ground tackle combination is the plane, and the rear end face that jacking block is held in stretch-draw is a convex surface.
(2), in the front end face of described tension ground tackle combination, rear end face that jacking block is held in stretch-draw, one of them is for being convex surface, another is a concave curved surface, and the radius of curvature of convex surface is less than the radius of curvature of concave curved surface.The front end face that is the tension ground tackle combination is a convex surface, and the rear end face that jacking block is held in stretch-draw is a concave curved surface, and the radius of curvature of convex surface is less than the radius of curvature of concave curved surface; Perhaps, the front end face of tension ground tackle combination is a concave curved surface, and the rear end face that jacking block is held in stretch-draw is a convex surface, and the radius of curvature of concave curved surface is greater than the radius of curvature of convex surface.
The arrangement form of horizontal jack is various, and its preferred version has following two kinds:
(1), totally two on described horizontal jack, and be arranged in about sheet material.
(2), described horizontal jack is the horizontal jack of punching, and sheet material passes in the middle of jack.
All advantages of " the automatic centering stretching and anchoring device of the clipping ground tackle of prestressing force sheet material " that the utility model is introduced, also have following beneficial effect in having background technology:
1) during stretch-draw by last stretch-draw clamping plate and following stretch-draw clamping plate clamping sheet material, last stretch-draw clamping plate fit together by curved surface with following stretch-draw clamping plate, during anchoring by last anchoring clamping plate and following anchoring clamping plate clamping sheet material, last anchoring clamping plate also fit together by curved surface with following anchoring clamping plate, stretch-draw and anchoring clamping at twice, therefore be referred to as " prestressing force sheet material secondary clamping stretching and anchoring device ", anchorage clip is carried out after being held in stretch-draw, can reduce the sheet material loss of prestress in the work progress;
2) by adjusting the directed anchoring of the position relation realization prestressing force sheet material between prestressing force sheet material, the combination of anchoring clamping plate, the base, even the clamping face of anchoring clamping plate combination is a curved surface, the sheet material gripping section can not produce warping stress yet, can guarantee that the prestressing force sheet material only bears axial tension after anchoring, sheet material inside horizontal shear stress can not occur;
3) this device has been cancelled and has been held the power screw rod, realized direct pushing tow stretch-draw to the tension ground tackle combination, the size of stretch-draw anchor power is not held the restriction of power screw rod and nut member size, type of attachment etc., can give full play to the anchoring ability of ground tackle, solve that the prestressing force sheet material is heavily stressed, the difficult problem of large-tonnage stretch-draw anchor;
4) power transmission bolt structure is adopted in this device anchoring, and in operational phase, when particularly having the dynamic load effect structurally, ground tackle can not produce loss of prestress;
5) this device adopts stretch-draw pressure block, horizontal jack, jacking block is held in stretch-draw and tension ground tackle constitutes interim counterforce device, stretch-draw is separated fully with anchoring, the stretch-draw Force transmission parts of device, counter-force member, ways etc. all can be removed fully, significantly reduced permanent member, particularly when adopting the third technical scheme, the only surplus anchoring ground tackle combination of permanent member has realized the simplest optimization of permanent anchor device, make device more economically, attractive in appearance.
Description of drawings
Fig. 1 is structural representation of the present utility model (decomposing state).
Fig. 2 is tensile state figure of the present utility model.
Fig. 3 is the state diagram after the utility model anchoring.
Fig. 4 is second kind of form of structure of anchoring ground tackle combination.
Fig. 5 is the third form of structure of anchoring ground tackle combination.
Fig. 6 is second kind of arrangement form of horizontal jack.
Fig. 7 holds jacking block for stretch-draw and compresses the second kind of form of structure that contacts with the tension ground tackle combination.
Fig. 8 holds jacking block for stretch-draw and compresses the third form of structure that contacts with the tension ground tackle combination.
Fig. 9 holds jacking block for stretch-draw and compresses the 4th kind of form of structure that contacts with the tension ground tackle combination.
Wherein:
1 anchoring ground tackle combination: anchoring clamping plate on 11,12 times anchoring clamping plate, 13 bases, 14 permanent grip bolt nuts, 15 power transmission bolts;
2 stretch-draw pressure blocks;
3 horizontal jack;
Jacking block is held in 4 stretch-draw;
5 tension ground tackles combination: stretch-draw clamping plate on 51,52 times stretch-draw clamping plate, 53 stretch-draw grip bolt nuts;
6 prestressing force sheet materials.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment 1:
Prestressing force sheet material secondary clamping stretching and anchoring device as shown in Figure 1 and Figure 2 holds jacking block 4 and tension ground tackle combination 5 etc. by anchoring ground tackle combination 1, stretch-draw pressure block 2, horizontal jack 3, stretch-draw and forms.Jacking block 4 is held in anchoring ground tackle combination 1, stretch-draw pressure block 2, horizontal jack 3, stretch-draw and tension ground tackle combination 5 is laid from front to back successively.One end of horizontal jack 3 is placed on the stretch-draw pressure block 2, and the other end holds jacking block 4 towards stretch-draw.
The combination 1 of anchoring ground tackle is made up of last anchoring clamping plate 11, following anchoring clamping plate 12, base 13, permanent grip bolt nut 14 and power transmission bolt 15.Last anchoring clamping plate 11, following anchoring clamping plate 12 and base 13 arrange successively that from top to bottom last anchoring clamping plate 11 agree with by curved surface mutually with following anchoring clamping plate 12, and can tighten together by eight permanent grip bolt nuts 14.Four power transmission bolt 15 rectangular distributions, the hole of passing through for power transmission bolt 15 on the base 13 is horizontal bar hole, the hole of passing through for power transmission bolt 15 on the following anchoring clamping plate 12 is an arcuate socket, and the segmental arc of each arcuate socket all is positioned on the same circumference.Laterally the quantity of bar hole, arcuate socket equates with the quantity of power transmission bolt 15.The quantity of permanent grip bolt nut 14, power transmission bolt 15 is not limit, and is provided with as required.
Tension ground tackle combination 5 is made up of last stretch-draw clamping plate 51, following stretch-draw clamping plate 52 and stretch-draw grip bolt nut 53.Last stretch-draw clamping plate 51 are positioned at stretch-draw clamping plate 52 tops down, and last stretch-draw clamping plate 51 agree with by curved surface mutually with following stretch-draw clamping plate 52, and tighten together by stretch-draw grip bolt nut 53.
The first horizontal bar hole 2a that arranges placed in the middle about having on the stretch-draw pressure block 2, the second horizontal bar hole 4a that arranges placed in the middle about stretch-draw is held and had on the jacking block 4, the first horizontal bar hole 2a and the second horizontal bar hole 4a pass through for prestressing force sheet material 6.The rear end face that jacking block 4 is held in the front end face of tension ground tackle combination 5 and stretch-draw compresses and contacts, and tension ground tackle make up 5 and stretch-draw hold compressing between the contact surface of jacking block 4 and can relatively rotate.
Embodiment 2:
Prestressing force sheet material secondary clamping stretching and anchoring device also holds jacking block 4 and tension ground tackle combination 5 etc. by anchoring ground tackle combination 1, stretch-draw pressure block 2, horizontal jack 3, stretch-draw and forms.Stretch-draw pressure block 2, horizontal jack 3, jacking block 4 is held in stretch-draw and tension ground tackle combination 5 is identical with embodiment 1, be with the difference of embodiment 1: as shown in Figure 4, the combination 1 of anchoring ground tackle is by last anchoring clamping plate 11, following anchoring clamping plate 12 and base 13 are formed, last anchoring clamping plate 11, following anchoring clamping plate 12 and base 13 are arranged from top to bottom successively, last anchoring clamping plate 11 and following anchoring clamping plate 12 agree with mutually by curved surface, and can tighten together by permanent grip bolt nut 14, following anchoring clamping plate 12 tighten together by power transmission bolt 15 with base 13, the hole of passing through for power transmission bolt 15 on the base 13 is an arcuate socket, and the segmental arc of each arcuate socket all is positioned on the same circumference, and the hole of passing through for power transmission bolt 15 on the following anchoring clamping plate 12 is horizontal bar hole.
Embodiment 3:
Prestressing force sheet material secondary clamping stretching and anchoring device also holds jacking block 4 and tension ground tackle combination 5 etc. by anchoring ground tackle combination 1, stretch-draw pressure block 2, horizontal jack 3, stretch-draw and forms.Stretch-draw pressure block 2, horizontal jack 3, jacking block 4 is held in stretch-draw and tension ground tackle combination 5 is identical with embodiment 1, be with the difference of embodiment 1: as shown in Figure 5, the combination 1 of anchoring ground tackle is by last anchoring clamping plate 11, following anchoring clamping plate 12, permanent grip bolt nut 14 and power transmission bolt 15 are formed, last anchoring clamping plate 11 and following anchoring clamping plate 12 agree with mutually by curved surface, and can tighten together by permanent grip bolt nut 14, following anchoring clamping plate 12 are provided with the power transmission bolt 15 that axis extends up and down, four power transmission bolt 15 rectangular distributions, the hole of passing through for power transmission bolt 15 on the following anchoring clamping plate 12 is an arcuate socket, each power transmission bolt 15 corresponding arcuate socket, and the segmental arc of each arcuate socket all is positioned on the same circumference.
In above-mentioned three embodiment: the rear end face that jacking block 4 is held in the front end face of tension ground tackle combination 5 and stretch-draw realizes compressing that to contact the form of structure that also can relatively rotate various.Enumerate four kinds below:
First kind of form of structure as shown in Figure 1 and Figure 2, the front end face of tension ground tackle combination 5 is a convex surface, the rear end face that jacking block 4 is held in stretch-draw is a concave curved surface, and the radius of curvature of concave curved surface is greater than the radius of curvature of convex surface.
Second kind of form of structure as shown in Figure 7, the front end face of tension ground tackle combination 5 is the plane, the rear end face that jacking block 4 is held in stretch-draw is a convex surface.
The third form of structure as shown in Figure 8, the front end face of tension ground tackle combination 5 is a concave curved surface, the rear end face that jacking block 4 is held in stretch-draw is a convex surface, and the radius of curvature of convex surface is less than the radius of curvature of concave curved surface.
The 4th kind of form of structure as shown in Figure 9, the front end face of tension ground tackle combination 5 is a convex surface, the rear end face that jacking block 4 is held in stretch-draw is the plane.
Equally, the arrangement form of horizontal jack is various, enumerates two kinds below:
First kind of form of structure as shown in Figure 1 and Figure 2, totally two on horizontal jack 3, and being arranged in about sheet material.
Second kind of form of structure as shown in Figure 6, horizontal jack 3 is the horizontal jack of punching, and prestressing force sheet material 6 passes from the centre of horizontal jack 3.
Can also be, totally one on horizontal jack 3, about arrange between two parties, horizontal jack 3 be positioned at prestressing force sheet material 6 above or below.In a word, the layout of horizontal jack 3 should guarantee the steady of prestressed stretch-draw process, and its concrete arrangement is not limit.
Embodiment 1 is to use like this with embodiment 2, before the sheet material stretch-draw, in advance prestressing force sheet material 6 is clamped in tension ground tackle combination 5 on, following stretch-draw clamping plate 51, between 52, last stretch-draw clamping plate 51, following stretch-draw clamping plate 52 agree with mutually by curved surface, and tighten together by stretch-draw grip bolt nut 53, treat anchorage point firm banking 13 in engineering structures then, the following anchoring clamping plate 12 that will be installed with permanent grip bolt 14 by power transmission bolt 15 in advance are installed on the base 13, stretch-draw pressure block 2 places base 13 rear sides, compress with base 13 rear end faces and to contact, horizontal jack 3 places stretch-draw pressure block 2 rear sides, compress with stretch-draw pressure block 2 rear end faces and to contact, stretch-draw is held jacking block 4 and is placed horizontal jack 3 rear sides, compress with horizontal jack 3 and to contact, the rear end face that jacking block 4 is held in the front end face of tension ground tackle combination 5 and stretch-draw compresses and contacts, and starts horizontal jack 3, jacking block 4 is held in horizontal jack 3 pushing tow stretch-draw, by tension ground tackle combination 5 power is passed to prestressing force sheet material 6 and carries out stretch-draw; After treating that 6 stretch-draw of prestressing force sheet material are finished, adjust the horizontal level of anchoring clamping plate 12 down, vertical middle section of anchoring clamping plate 12 is overlapped with vertical middle section of prestressing force sheet material 6, by the upper and lower anchoring clamping plate 11,12 of permanent grip bolt nut 14 lockings, finish anchoring work again; Remove stretch-draw pressure block 2, horizontal jack 3, stretch-draw at last and hold jacking block 4 and tension ground tackle combination 5.
Claims (10)
1. a prestressing force sheet material secondary clamping stretching and anchoring device is characterized in that: comprise that the anchoring ground tackle of laying successively from front to back makes up (1), stretch-draw pressure block (2), horizontal jack (3), jacking block (4) is held in stretch-draw and tension ground tackle makes up (5); Described anchoring ground tackle combination (1) comprises the last anchoring clamping plate of arranging successively from top to bottom (11), following anchoring clamping plate (12) and base (13), the described anchoring clamping plate (11) of going up agree with by curved surface mutually with following anchoring clamping plate (12), and can tighten together by permanent grip bolt nut (14), described anchoring clamping plate (12) down tighten together by power transmission bolt (15) with base (13), it is horizontal bar hole that described base (13) is gone up the hole of passing through for power transmission bolt (15), it is arcuate socket that described anchoring clamping plate (12) are down gone up the hole of passing through for power transmission bolt (15), and the segmental arc of each arcuate socket all is positioned on the same circumference; Described tension ground tackle combination (5) comprises stretch-draw clamping plate (51) and following stretch-draw clamping plate (52), and the described stretch-draw clamping plate (51) of going up agree with by curved surface mutually with following stretch-draw clamping plate (52), and tighten together by stretch-draw grip bolt nut (53); The first horizontal bar hole (2a) placed in the middle about having on the described stretch-draw pressure block (2), stretch-draw second horizontal bar hole (4a) placed in the middle about holding and having on the jacking block (4), the rear end face that jacking block (4) is held in the front end face of described tension ground tackle combination (5) and described stretch-draw compresses and contacts, and tension ground tackle makes up (5) and stretch-draw and holds compressing between the contact surface of jacking block (4) and can relatively rotate.
2. according to the described prestressing force sheet material of claim 1 secondary clamping stretching and anchoring device, it is characterized in that: front end face, the stretch-draw of described tension ground tackle combination (5) are held in the rear end face of jacking block (4), and one of them is the plane, and another face is a convex surface.
3. according to the described prestressing force sheet material of claim 1 secondary clamping stretching and anchoring device, it is characterized in that: front end face, the stretch-draw of described tension ground tackle combination (5) are held in the rear end face of jacking block (4), one of them is a convex surface, another is a concave curved surface, and the radius of curvature of convex surface is less than the radius of curvature of concave curved surface.
4. according to claim 1---each described prestressing force sheet material secondary clamping stretching and anchoring device in 3 is characterized in that: totally two on described horizontal jack (3), and be arranged in about sheet material.
5. according to claim 1---each described prestressing force sheet material secondary clamping stretching and anchoring device in 3, it is characterized in that: described horizontal jack (3) is the horizontal jack of punching, and sheet material passes in the middle of jack.
6. a prestressing force sheet material secondary clamping stretching and anchoring device is characterized in that: comprise that the anchoring ground tackle of laying successively from front to back makes up (1), stretch-draw pressure block (2), horizontal jack (3), jacking block (4) is held in stretch-draw and tension ground tackle makes up (5); Described anchoring ground tackle combination (1) comprises the last anchoring clamping plate of arranging successively from top to bottom (11), following anchoring clamping plate (12) and base (13), the described anchoring clamping plate (11) of going up agree with by curved surface mutually with following anchoring clamping plate (12), and can tighten together by permanent grip bolt nut (14), described anchoring clamping plate (12) down tighten together by power transmission bolt (15) with base (13), it is arcuate socket that described base (13) is gone up the hole of passing through for power transmission bolt (15), and the segmental arc of each arcuate socket all is positioned on the same circumference, and it is horizontal bar hole that described anchoring clamping plate (12) are down gone up the hole of passing through for power transmission bolt (15); Described tension ground tackle combination (5) comprises stretch-draw clamping plate (51) and following stretch-draw clamping plate (52), and the described stretch-draw clamping plate (51) of going up agree with by curved surface mutually with following stretch-draw clamping plate (52), and tighten together by stretch-draw grip bolt nut (53); The first horizontal bar hole (2a) placed in the middle about having on the described stretch-draw pressure block (2), stretch-draw second horizontal bar hole (4a) placed in the middle about holding and having on the jacking block (4), the rear end face that jacking block (4) is held in the front end face of described tension ground tackle combination (5) and described stretch-draw compresses and contacts, and tension ground tackle makes up (5) and stretch-draw and holds compressing between the contact surface of jacking block (4) and can relatively rotate.
7. according to the described prestressing force sheet material of claim 6 secondary clamping stretching and anchoring device, it is characterized in that: totally two on described horizontal jack (3), and be arranged in about sheet material.
8. according to the described prestressing force sheet material of claim 6 secondary clamping stretching and anchoring device, it is characterized in that: described horizontal jack (3) is the horizontal jack of punching, and sheet material passes in the middle of jack.
9. a prestressing force sheet material secondary clamping stretching and anchoring device comprises that the anchoring ground tackle of laying successively from front to back makes up (1), stretch-draw pressure block (2), horizontal jack (3), jacking block (4) is held in stretch-draw and tension ground tackle makes up (5); Described anchoring ground tackle combination (1) comprises anchoring clamping plate (11) and following anchoring clamping plate (12), the described anchoring clamping plate (11) of going up agree with by curved surface mutually with following anchoring clamping plate (12), and can tighten together by permanent grip bolt nut (14), described anchoring clamping plate (12) down are provided with the power transmission bolt (15) that axis extends up and down, it is arcuate socket that described anchoring clamping plate (12) are down gone up the hole of passing through for power transmission bolt (15), and the segmental arc of each arcuate socket all is positioned on the same circumference; Described tension ground tackle combination (5) comprises stretch-draw clamping plate (51) and following stretch-draw clamping plate (52), and the described stretch-draw clamping plate (51) of going up agree with by curved surface mutually with following stretch-draw clamping plate (52), and tighten together by stretch-draw grip bolt nut (53); The first horizontal bar hole (2a) placed in the middle about having on the described stretch-draw pressure block (2), stretch-draw second horizontal bar hole (4a) placed in the middle about holding and having on the jacking block (4), the rear end face that jacking block (4) is held in the front end face of described tension ground tackle combination (5) and described stretch-draw compresses and contacts, and tension ground tackle makes up (5) and stretch-draw and holds compressing between the contact surface of jacking block (4) and can relatively rotate.
10. according to the described prestressing force sheet material of claim 9 secondary clamping stretching and anchoring device, it is characterized in that: totally two on described horizontal jack (3), and be arranged in about sheet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320069257 CN203097117U (en) | 2013-02-06 | 2013-02-06 | Stretch-draw anchoring device for secondary clamping of pre-stressed sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320069257 CN203097117U (en) | 2013-02-06 | 2013-02-06 | Stretch-draw anchoring device for secondary clamping of pre-stressed sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203097117U true CN203097117U (en) | 2013-07-31 |
Family
ID=48848529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320069257 Expired - Lifetime CN203097117U (en) | 2013-02-06 | 2013-02-06 | Stretch-draw anchoring device for secondary clamping of pre-stressed sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203097117U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075014A (en) * | 2013-02-06 | 2013-05-01 | 全恩懋 | Tensional anchoring system for secondary clamping of prestressed sheets |
| CN104912336A (en) * | 2015-07-06 | 2015-09-16 | 天津银龙预应力材料股份有限公司 | Pre-stressed reinforcement tension self-lock device |
| CN109339457A (en) * | 2018-10-29 | 2019-02-15 | 东南大学 | It is a kind of to be displaced from constraint formula pre-stress FRP sheet material tensioning equipment and its implementation method |
| CN110258931A (en) * | 2019-07-11 | 2019-09-20 | 兰州恒驰预应力科技有限公司 | A kind of clipping anchor of prestressing force |
| CN113202323A (en) * | 2021-03-31 | 2021-08-03 | 河海大学 | Single-wedge-shaped-clamp-piece prestressed FRP plate tensioning and anchoring device and steel beam reinforcing method |
-
2013
- 2013-02-06 CN CN 201320069257 patent/CN203097117U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075014A (en) * | 2013-02-06 | 2013-05-01 | 全恩懋 | Tensional anchoring system for secondary clamping of prestressed sheets |
| CN104912336A (en) * | 2015-07-06 | 2015-09-16 | 天津银龙预应力材料股份有限公司 | Pre-stressed reinforcement tension self-lock device |
| CN109339457A (en) * | 2018-10-29 | 2019-02-15 | 东南大学 | It is a kind of to be displaced from constraint formula pre-stress FRP sheet material tensioning equipment and its implementation method |
| CN110258931A (en) * | 2019-07-11 | 2019-09-20 | 兰州恒驰预应力科技有限公司 | A kind of clipping anchor of prestressing force |
| CN113202323A (en) * | 2021-03-31 | 2021-08-03 | 河海大学 | Single-wedge-shaped-clamp-piece prestressed FRP plate tensioning and anchoring device and steel beam reinforcing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203097117U (en) | Stretch-draw anchoring device for secondary clamping of pre-stressed sheet | |
| CN103075014A (en) | Tensional anchoring system for secondary clamping of prestressed sheets | |
| CN201460241U (en) | Prestress high-strength steel mesh anchorage | |
| CN203769342U (en) | Rigid self-locking pre-stress carbon fiber plate anchoring system | |
| CN105569372A (en) | Device and method for enhancing composite reinforced concrete through prestress fiber | |
| CN204311761U (en) | A kind of prestressed carbon cloth reinforced concrete column tensioning equipment | |
| CN202017304U (en) | Automatic centering tensioning anchoring device for prestress sheet material clamp type anchor | |
| CN201753501U (en) | FRP (fiber reinforced plastic) rib tensioning and anchoring device | |
| CN109653531B (en) | External prestress steel strand connector and matched tensioning device | |
| CN103321220B (en) | Prestress anchorage cable method for stretching and device thereof | |
| CN102127950B (en) | Automatic centering tensioning and anchoring device for prestressed sheet clamping anchorage | |
| CN217538018U (en) | Horizontal tensioning system of external prestressing force CFRP material of formula of pushing down | |
| CN105926961A (en) | Method for reinforcing rectangular-section concrete columns through prestressed steel plate hoops | |
| CN205857786U (en) | A kind of device using pre-stressed carbon fiber plate reinforcement | |
| CN100567680C (en) | Backstay cable lever stretching device | |
| CN105064616A (en) | Anchor device for changing direction of carbon fiber plate | |
| CN102587585B (en) | Flat turn regulation pre-tightening type directional clamping anchor | |
| CN202509494U (en) | Prestress anchor rope tension device | |
| CN206593956U (en) | The axially loaded supplementary structure of pseudo-static experimental | |
| CN205531430U (en) | Prestressing force fibre reinforced composite reinforcing concrete's device | |
| CN109537475B (en) | Method for reinforcing capping beam by using carbon fiber and reinforcing structure | |
| CN101285333B (en) | Special anchorage for combined variable-corrugated fiber sheets and prestressing force stretching method thereof | |
| CN204435927U (en) | A kind of Strengthening by Steel-Packing post pre-applied force device | |
| CN202644401U (en) | Omnipotent prestress stretch-draw connecting structure for finish-rolling screw-thread steel | |
| CN110359728A (en) | A kind of rectangular section RC column active constraint bracing means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |