CN216074795U

CN216074795U - External prestressed steel beam type anchoring device

Info

Publication number: CN216074795U
Application number: CN202122594551.3U
Authority: CN
Inventors: 沈佳刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-03-18
Anticipated expiration: 2031-10-27

Abstract

The utility model relates to the technical field of bridge anchoring devices and discloses an external prestressed tendon steel type anchoring device which comprises a steel shell, wherein two supporting rods which are distributed in a bilateral symmetry mode are arranged between the upper side and the lower side of the inner wall of the steel shell. This external prestressing tendons steel type anchor, it is rotatory to drive the barrel through rotating the handle, and the barrel then can drive the carriage release lever rotatory through spout and connecting block at rotatory in-process, and then it is rotatory to drive the threaded sleeve, and the threaded sleeve then can drive movable plate rebound at rotatory in-process through the threaded rod, and then drive two slider compression positioning spring relative movement through two drive wedges and two driven wedges, all shift out from the inside of constant head tank until two locating pieces, thereby remove the position restriction to the installation piece, can highly adjust the anchor slab this moment, thereby realized can highly adjusting the purpose to the anchor slab.

Description

External prestressed steel beam type anchoring device

Technical Field

The utility model relates to the technical field of bridge anchoring devices, in particular to an external prestressed steel strand type anchoring device.

Background

At present, external prestress is more and more widely applied to reinforcement engineering, wherein an anchoring device is the most important device in an external prestress structure, the anchoring device is mainly applied to a post-tensioning structure or a member and is used for permanently keeping the tension of prestressed steel bars and transmitting the tension to a concrete member, and the prestressed anchoring device adopted by external prestress reinforcement is mainly realized by fixing the prestressed steel bars through a fixing anchorage device, an anchor plate and other members.

But current anchor device is after fixed the completion, and the height of anchor slab is mostly fixed among the device to unable anchor slab and the prestressing steel height of changing can not realize the adjustment of different prestressing degrees external body prestressing steel support height, the practicality is relatively poor, so provides an external prestressing force beam steel type anchor device.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an external prestressed steel beam type anchoring device which has the advantages of being capable of adjusting the height of an anchor plate and the like, and solves the problems that the height of the anchor plate in the device is mostly fixed after the fixation of the existing anchoring device is finished, so that the height of the anchor plate and prestressed steel bars cannot be changed, the supporting height of the external prestressed steel bars of the body with different degrees of prestress cannot be adjusted, and the practicability is poor.

(II) technical scheme

In order to achieve the purpose of adjusting the height of the anchor plate, the utility model provides the following technical scheme: an external prestressed tendon steel type anchoring device comprises a steel shell, wherein two supporting rods which are symmetrically distributed in the left and right are arranged between the upper side and the lower side of the inner wall of the steel shell, an anchoring assembly with one end movably connected with the outer side of the supporting rod on the right side is arranged on the outer side of the supporting rod on the left side, the left side and the right side of the anchoring assembly are respectively movably connected with the left side and the right side of the inner wall of the steel shell, elongated holes are formed in the left end and the right end of the front side and the rear side of the inner wall of the steel shell, an installation cavity between the two supporting rods is arranged in the anchoring assembly, a positioning assembly is arranged on the inner top wall of the installation cavity, the left side and the right side of the positioning assembly respectively extend to the inner parts of the left supporting rod and the right supporting rod, a transmission assembly with one end attached to the positioning assembly and the other end extending to the bottom of the anchoring assembly is arranged between the left side and the right side of the inner wall of the installation cavity, and a driving assembly with one end extending to the bottom of the steel shell is arranged at the bottom of the transmission assembly.

Preferably, the anchor subassembly is including installation piece, left side the outside movable mounting of bracing piece has one end and right side bracing piece outside swing joint's installation piece, the equal fixed mounting in left and right sides of installation piece has the anchor slab, two the looks dorsal part of anchor slab respectively with the inner wall left and right sides swing joint of steel casing, the mounting hole has been seted up to the inside of anchor slab.

Preferably, the installation cavity is seted up in the inside of installation piece, locating component includes the slider, the equal movable mounting in the left and right sides of roof has the slider in the installation cavity, two the constant head tank has all been seted up to the opposite side of bracing piece, two the equal fixed mounting in opposite sides of slider has one end to extend to the inside locating piece of left and right sides constant head tank respectively, two fixed mounting has positioning spring, two between the slider the equal fixed mounting in bottom of slider has driven wedge.

Preferably, transmission assembly includes the movable plate, movable mounting has the movable plate that is located driven wedge below between the inner wall left and right sides of installation cavity, the equal fixed mounting in top left and right sides of movable plate has one end respectively with the drive wedge of two driven wedge laminating, the interior diapire movable mounting of installation cavity has the threaded sleeve that one end extends to the installation piece bottom, threaded sleeve's internal thread connection have one end extend to its top and with movable plate bottom fixed connection's threaded rod.

Preferably, drive assembly includes the barrel, the interior diapire movable mounting of steel casing has the barrel that is located screw sleeve below and one end and extends to steel casing bottom, the inside movable mounting of barrel have one end extend to its top and with screw sleeve bottom fixed connection's carriage release lever, the spout has all been seted up to the inner wall left and right sides of barrel, two the equal movable mounting in inside of spout has one end and carriage release lever fixed connection's connecting block, the bottom fixed mounting of barrel has the handle.

Preferably, the top and the left and right sides of the steel shell are fixedly provided with at least three connecting pieces which are distributed equidistantly, and reserved holes are formed in the connecting pieces.

Preferably, unilateral the quantity of constant head tank is no less than six and be the equidistance and distribute, the inner wall left and right sides of installation cavity all communicates the through-hole of seting up on the installation piece and with locating piece looks adaptation.

(III) advantageous effects

Compared with the prior art, the utility model provides an external prestressed strand steel type anchoring device, which has the following beneficial effects:

the external prestressed tendon steel type anchoring device drives the cylinder body to rotate by rotating the handle, the cylinder body drives the movable rod to rotate by the sliding chute and the connecting block in the rotating process, and then drives the threaded sleeve to rotate, the threaded sleeve drives the movable plate to move upwards by the threaded rod in the rotating process, and then drives the two sliding blocks to compress the positioning springs to move relatively by driving the wedge block and the driven wedge block until the two positioning blocks are moved out of the positioning groove, so that the position limitation on the installation block is removed, the height of the anchor plate can be adjusted at the moment, the aim of adjusting the height of the anchor plate is fulfilled, the handle is reversely rotated after the adjustment is finished, and then the threaded sleeve is driven to reversely rotate, so that the threaded rod drives the threaded rod to move downwards, and the two positioning blocks are driven to move back to extend to the inside of the positioning groove under the elastic force of the positioning springs, thereby completing the fixation of the mounting block and the anchor plate.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a partial schematic view of the mounting block of the present invention;

FIG. 4 is an enlarged view of the utility model at A in FIG. 1.

In the figure: the device comprises a steel shell 1, a supporting rod 2, an anchoring component 3, a mounting block 31, an anchor plate 32, a mounting hole 33, an elongated hole 4, a mounting cavity 5, a positioning component 6, a sliding block 61, a positioning groove 62, a positioning block 63, a positioning spring 64, a driven wedge-shaped block 65, a transmission component 7, a movable plate 71, a driving wedge-shaped block 72, a threaded sleeve 73, a threaded rod 74, a driving component 8, a cylinder 81, a movable rod 82, a sliding groove 83, a connecting block 84 and a handle 85.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an external prestressed tendon steel type anchoring device comprises a steel shell 1, wherein at least three connecting pieces which are distributed equidistantly are fixedly arranged at the top and the left and the right sides of the steel shell 1, reserved pore passages are formed in the connecting pieces, two supporting rods 2 which are distributed bilaterally and symmetrically are fixedly arranged between the upper side and the lower side of the inner wall of the steel shell 1, an anchoring component 3 with one end movably connected with the outer side of the right supporting rod 2 is movably arranged at the outer side of the left supporting rod 2, the left side and the right side of the anchoring component 3 are respectively movably connected with the left side and the right side of the inner wall of the steel shell 1, the anchoring component 3 comprises an installation block 31, an installation block 31 with one end movably connected with the outer side of the right supporting rod 2 is movably arranged at the outer side of the left supporting rod 2, anchor plates 32 are fixedly arranged at the left side and the right side of the installation block 31, opposite sides of the two anchor plates 32 are respectively movably connected with the left side and the right side of the inner wall of the steel shell 1, the mounting hole 33 has been seted up to anchor slab 32's inside, and elongated hole 4 has all been seted up at the left and right sides both ends around the inner wall of steel casing 1.

The installation cavity 5 that is located between two bracing pieces 2 is seted up to anchor assembly 3's inside, the interior roof movable mounting of installation cavity 5 has locating component 6, locating component 6's the left and right sides extends to the inside of controlling two bracing pieces 2 respectively, installation cavity 5 sets up the inside at installation piece 31, locating component 6 includes slider 61, the equal movable mounting in the left and right sides of roof has slider 61 in installation cavity 5, constant head tank 62 has all been seted up to the opposite side of two bracing pieces 2, the equal fixed mounting in the opposite sides of two sliders 61 has one end to extend to the inside locating piece 63 of left and right sides constant head tank 62 respectively, six and be the equidistance and distribute are no less than to the quantity of unilateral constant head tank 62, the inner wall left and right sides of installation cavity 5 all communicates the through-hole of seting up on installation piece 31 and with locating piece 63 looks adaptation, fixed mounting has positioning spring 64 between two sliders 61, the equal fixed mounting in bottom of two sliders 61 has driven wedge 65.

Movable mounting has one end to laminate with locating component 6 between the inner wall left and right sides of installation cavity 5 and the other end extends to the drive assembly 7 of anchor assembly 3 bottom, drive assembly 7 includes movable plate 71, movable mounting has the movable plate 71 that is located driven wedge 65 below between the inner wall left and right sides of installation cavity 5, the equal fixed mounting in top left and right sides of movable plate 71 has drive wedge 72 that one end laminated with two driven wedges 65 respectively, the interior diapire movable mounting of installation cavity 5 has the threaded sleeve 73 that one end extends to installation block 31 bottom, threaded sleeve 73's inside threaded connection has one end to extend to its top and with movable plate 71 bottom fixed connection's threaded rod 74.

Bottom fixed mounting of drive assembly 7 has drive assembly 8 that one end extends to steel casing 1 bottom, drive assembly 8 includes barrel 81, the interior diapire movable mounting of steel casing 1 has the barrel 81 that is located screw sleeve 73 below and one end and extends to steel casing 1 bottom, the inside movable mounting of barrel 81 has one end to extend to its top and with screw sleeve 73 bottom fixed connection's movable rod 82, spout 83 has all been seted up to the inner wall left and right sides of barrel 81, the equal movable mounting in inside of two spout 83 has one end and movable rod 82 fixed connection's connecting block 84, the bottom fixed mounting of barrel 81 has handle 85.

The barrel 81 is driven to rotate by rotating the handle 85, the barrel 81 drives the moving rod 82 to rotate through the sliding groove 83 and the connecting block 84 in the rotating process, the threaded sleeve 73 is driven to rotate, the threaded sleeve 73 drives the moving plate 71 to move upwards through the threaded rod 74 in the rotating process, the two sliding blocks 61 are driven by the driving wedge block 72 and the driven wedge block 65 to compress the positioning springs 64 to move relatively until the two positioning blocks 63 are all moved out of the positioning grooves 62, the position limitation on the mounting block 31 is removed, and the height of the anchor plate 32 can be adjusted at the moment.

When using, fix the bottom at the bridge through the connecting piece with steel casing 1, make two prestressed reinforcement pass left and right sides elongated hole 4 and mounting hole 33 respectively afterwards, wherein prestressed reinforcement's diameter equals with elongated hole 4 and mounting hole 33's aperture, the device is whole will keep the pulling force transmission of prestressed reinforcement for bridge itself with the permanence this moment, come to stabilize the support to the bridge, secondly, change the stretch-draw height of prestressed reinforcement through adjusting anchor slab 32, and then change the size of prestressing degree, different highly corresponding different prestressing degrees, can combine the construction situation to adjust, the practicality has been improved.

In summary, in the external prestressed tendon steel type anchoring device, the barrel 81 is driven to rotate by rotating the handle 85, the barrel 81 drives the moving rod 82 to rotate by the sliding groove 83 and the connecting block 84 in the rotating process, and then drives the threaded sleeve 73 to rotate, the threaded sleeve 73 drives the moving plate 71 to move upwards by the threaded rod 74 in the rotating process, and then drives the two sliding blocks 61 to compress the positioning springs 64 to move relatively by driving the wedge block 72 and the driven wedge block 65 until the two positioning blocks 63 are all moved out of the positioning grooves 62, so as to remove the position limitation on the mounting block 31, and at this time, the height of the anchor plate 32 can be adjusted, so that the purpose of adjusting the height of the anchor plate 32 is achieved, after the adjustment is completed, the handle 85 is rotated reversely, and then the threaded sleeve 73 is driven to rotate reversely, so that the threaded rod 74 drives the moving plate 71 to move downwards, can drive two locating piece 63 back of the body removal in the back of the body and extend to the inside of constant head tank 62 under positioning spring 64's elasticity effect to accomplish the fixed of installing piece 31 and anchor slab 32, solved current anchor device after fixed the completion, the anchor slab highly is mostly fixed in the device, thereby can't change anchor slab and prestressing steel height, can not realize the adjustment of different prestressing degrees external prestressed reinforcement supporting height, the relatively poor problem of practicality.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an external prestressing tendons steel type anchor, includes steel casing (1), be provided with quantity about the inner wall of steel casing (1) between the both sides for two and be bilateral symmetry distribution bracing piece (2), left side the outside of bracing piece (2) is provided with one end and right side bracing piece (2) outside swing joint's anchor subassembly (3), the left and right sides of anchor subassembly (3) respectively with the inner wall left and right sides swing joint of steel casing (1), both ends all are provided with elongated hole (4), its characterized in that about both sides around steel casing (1) inner wall: the inside of anchor subassembly (3) is provided with installation cavity (5) that are located between two bracing pieces (2), the interior roof of installation cavity (5) is provided with locating component (6), the left and right sides of locating component (6) extends to the inside of controlling two bracing pieces (2) respectively, be provided with transmission assembly (7) that one end and locating component (6) laminating and the other end extend to anchor subassembly (3) bottom between the inner wall left and right sides of installation cavity (5), the bottom of transmission assembly (7) is provided with drive assembly (8) that one end extends to steel casing (1) bottom.

2. The in vitro prestressed tendon steel type anchoring device according to claim 1, wherein: anchor subassembly (3) are including installation piece (31), left side the outside movable mounting of bracing piece (2) has one end and right side bracing piece (2) outside swing joint's installation piece (31), the equal fixed mounting in both sides has anchor slab (32), two about installation piece (31) the looks dorsal part of anchor slab (32) respectively with the inner wall left and right sides swing joint of steel casing (1), mounting hole (33) have been seted up to the inside of anchor slab (32).

3. The in vitro prestressed tendon steel type anchoring device according to claim 2, wherein: the inside in installation piece (31) is seted up in installation cavity (5), locating component (6) include slider (61), the equal movable mounting in the left and right sides of roof has slider (61), two in installation cavity (5) constant head tank (62), two have all been seted up to the opposite side of bracing piece (2) the equal fixed mounting in the opposite sides of the back of the body of slider (61) has one end to extend to inside locating piece (63) of left and right sides constant head tank (62) respectively, two fixed mounting has positioning spring (64), two between slider (61) the equal fixed mounting in bottom of slider (61) has driven wedge (65).

4. The in vitro prestressed tendon steel type anchoring device according to claim 3, wherein: drive assembly (7) are including moving plate (71), movable mounting has movable plate (71) that is located driven wedge (65) below between the inner wall left and right sides of installation cavity (5), the equal fixed mounting in top left and right sides of movable plate (71) has drive wedge (72) that one end was laminated with two driven wedge (65) respectively, the interior diapire movable mounting of installation cavity (5) has threaded sleeve (73) that one end extended to installation piece (31) bottom, the internal thread connection of threaded sleeve (73) has one end to extend to its top and threaded rod (74) with movable plate (71) bottom fixed connection.

5. The in vitro prestressed tendon steel type anchoring device according to claim 4, wherein: drive assembly (8) are including barrel (81), the interior diapire movable mounting of steel casing (1) has barrel (81) that is located screw sleeve (73) below and one end and extends to steel casing (1) bottom, the inside movable mounting of barrel (81) has movable rod (82) that one end extends to its top and with screw sleeve (73) bottom fixed connection, spout (83), two have all been seted up to the inner wall left and right sides of barrel (81) the equal movable mounting in inside of spout (83) has one end and movable rod (82) fixed connection's connecting block (84), the bottom fixed mounting of barrel (81) has handle (85).

6. The in vitro prestressed tendon steel type anchoring device according to claim 1, wherein: the top and the left and right sides of steel casing (1) all fixed mounting have quantity be no less than three and be the connecting piece that the equidistance distributes, the reservation pore has been seted up to the inside of connecting piece.

7. The in vitro prestressed tendon steel type anchoring device according to claim 3, wherein: unilateral the quantity of constant head tank (62) is no less than six and be the equidistance and distribute, the inner wall left and right sides of installation cavity (5) all communicates the through-hole of seting up on installation piece (31) and with locating piece (63) looks adaptation.