CN210597041U

CN210597041U - Prestressed fixing piece for bridge building construction

Info

Publication number: CN210597041U
Application number: CN201921260338.5U
Authority: CN
Inventors: 方晨
Original assignee: Fankester Auto Parts Jiangsu Co Ltd
Current assignee: Fankester Auto Parts Jiangsu Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-05-22
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a prestressing force mounting for bridge construction, including spring base, spring base installs spring bushing in one side, spring bushing's surface mounting has the spiral muscle, the surface mounting of spring bushing one side supports the base, the inner wall that supports the base is installed and is anchored the backing plate, the surface mounting who supports base one side has the anchor slab, the inboard of anchor slab is provided with the locking groove, the interior filler block is installed to the inboard of anchor slab, isolated sleeve pipe is installed to one side of anchor backing plate, the antioxidation layer is installed to isolated sheathed tube inboard, the inboard installation of antioxidation layer is by steel strand wires, steel strand wires run through between the antioxidation layer extends to anchor slab and inside lining piece, it has the fitting pin to peg graft in the inboard of locking groove, the anchor slab inboard sets up porosely. The utility model discloses an improvement device has increased the safeguard measure of steel strand wires, has simplified the installation procedure of steel strand wires.

Description

Prestressed fixing piece for bridge building construction

Technical Field

The utility model relates to a prestressing force mounting technical field for bridge construction specifically is a prestressing force mounting for bridge construction.

Background

The fixing piece is suitable for engineering construction, the anchorage device for prestressed concrete tensioning is generally used in bridge construction, is pre-installed and positioned, then is poured with concrete and is buried at two ends of the concrete, namely two ends of a corrugated pipe, is an end face arranged for the stabilizing effect of a jack during tensioning, and is widely applied to highway bridges, railway bridges, urban overpasses, urban light rails, high-rise buildings, water conservancy and hydropower dams, ports and docks, rock slope protection anchoring, foundation reinforcing, tunnel mine roof anchoring, prestressed net frames, subways, large-scale buildings, warehouses, tower buildings, heavy object lifting, sliding film intermittent propulsion, bridge pushing, large-scale containers and ships, sleepers, bridge support replacement, bridge and building reinforcing, steel bar engineering, antimagnetic and anticorrosion engineering (fiber anchorage devices), carbon fiber reinforcing, pretensioned beam field construction, steel bar temporary tensioning, and temporary tensioning, In-vitro prestress engineering, stay cable, suspension cable and other project engineering.

However, the existing prestressed fixing piece for construction is inconvenient to insert and connect the steel cable, the spiral rib is easy to incline and sideslip when being installed, and the steel cable is short of protective facilities; therefore, the existing requirements are not met, and the prestressed fixing piece for bridge building construction is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prestressing force mounting for bridge construction to it is inconvenient when solving the prestressing force mounting grafting cable wire that proposes in the above-mentioned background art, inclines easily when the spiral muscle installation and takes place to sideslip, and the cable wire lacks the protection and establishes facility scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prestressing force mounting for bridge construction, includes spring base, spring base installs spring bushing in one side, spring bushing's externally mounted has the spiral muscle, the externally mounted of spring bushing one side has the support base, the inner wall that supports the base is installed and is anchored the backing plate, the externally mounted of supporting base one side has the anchor slab, the inboard of anchor slab is provided with the locking groove, the inner lining piece is installed to the inboard of anchor slab, isolated sleeve pipe is installed to one side of anchor backing plate, the antioxidation layer is installed to isolated sheathed tube inboard, the inboard installation of antioxidation layer is by steel strand wires, steel strand wires run through the antioxidation layer and extend to between anchor slab and the inside lining piece, the inboard in locking groove is pegged graft and is had the fitting pin, the anchor slab inboard is provided with the hole, and the hole is less than the diameter of inner lining piece.

Preferably, the outer surface of the spring base and the outer surface of the spring bushing are provided with spiral ribs, and the spiral ribs and the spring base are fixed in an inserting mode.

Preferably, the bottom surface of the inner filler block is completely attached to the upper end surface of the inner wall of the anchor plate, and the inner filler block and the anchor plate are fixed through the clamping groove.

Preferably, the anchor plate is combined with a semicircular groove on the inner side of the inner lining block to form a locking groove, and the locking groove is fixedly connected with the locking pin in an inserting mode.

Preferably, the insulating sleeve wraps the anti-oxidation layer, and the filling material is installed inside the insulating sleeve.

Preferably, the outer surface of the steel strand is provided with an anti-oxidation layer, and the anti-oxidation layer is connected with the isolation sleeve in an inserting mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an install spring bushing additional and can guarantee that the spiral muscle when the installation, remain throughout with bridge body vertical state, avoid the slope to take place to sideslip to play the fixed effect in right angle, isolated sheathed tube inboard has pour the stopping, makes it can protect steel strand wires, plays the dehumidification, separates the effect of temperature, steel strand wires's surface scribbles the antioxidation layer, when can guaranteeing steel strand wires to use through the antioxidation layer, avoids the oxidation, reduces its working strength, increases working life.

2. The utility model discloses pass the anchor slab with steel strand wires earlier during the installation, laminating four grooves and four steel strand wires in inside lining block one side mutually, then pass the fitting pin steel strand wires, place it at the locking inslot side to reduce the jack time when playing the installation, simplified operating procedure, the fitting pin is lived steel strand wires parcel, places again in the locking inslot, taut steel strand wires makes the fitting pin locking, and the effort is big more, and the clamp force is big more, thereby plays and press from both sides tightly and fixed effect.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a cross-sectional view of the entire invention;

fig. 3 is a schematic view of the internal structure of the isolation sleeve of the present invention;

fig. 4 is a schematic view of a partial structure of the locking pin of the present invention;

fig. 5 is a schematic view of a local structure of the anchor plate of the present invention.

In the figure: 1. a spring mount; 2. a spiral rib; 3. a support base; 4. a spring bushing; 5. an anchor plate; 6. steel strand wires; 7. isolating the casing; 8. a locking groove; 9. an anchor backing plate; 10. a locking pin; 11. an anti-oxidation layer; 12. an inner pad.

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.

Referring to fig. 1 to 5, the present invention provides an embodiment: a prestressed fixing part for bridge construction comprises a spring base 1, wherein a spring bushing 4 is installed on one side of the spring base 1, the spring bushing 4 can ensure that a spiral rib 2 is always kept in a state of being perpendicular to a bridge body when being installed, and the side slipping caused by the inclination is avoided, so that the right-angle fixing effect is achieved, the spiral rib 2 is installed on the outer surface of the spring bushing 4, a supporting base 3 is installed on the outer surface of one side of the spring bushing 4, an anchor backing plate 9 is installed on the inner wall of the supporting base 3, an anchor plate 5 is installed on the outer surface of one side of the supporting base 3, a locking groove 8 is formed in the inner side of the anchor plate 5, an inner lining block 12 is installed on the inner side of the anchor plate 5, an isolation sleeve 7 is installed on one side of the anchor backing plate 9, an oxidation resistant layer 11 is installed on the inner side of the isolation sleeve 7, a steel strand 6 is installed on the inner side of the, then, the locking pin 10 penetrates through the steel strand 6 and is placed on the inner side of the locking groove 8, so that the jack inserting time is reduced during installation, the operation steps are simplified, the steel strand 6 penetrates through the oxidation resistant layer 11 and extends to a position between the anchor plate 5 and the lining block 12, the locking pin 10 is inserted into the inner side of the locking groove 8, and the inner side of the anchor plate 5 is provided with a hole which is smaller than the diameter of the lining block 12.

Further, spring holder 1 and spring bushing 4's surface mounting has spiral muscle 2, and spiral muscle 2 is fixed through pegging graft with spring holder 1, installs spring bushing 4 additional and can guarantee that spiral muscle 2 remains throughout when the installation with the bridge body vertical state, avoids the slope to take place to sideslip to play the fixed effect in right angle.

Further, the bottom surface of inside lining block 12 and the up end of anchor slab 5 inner wall laminate completely, and inside lining block 12 passes through the draw-in groove with anchor slab 5 is fixed, and earlier with steel strand wires 6 pass anchor slab 5 during the installation, will laminate four grooves and four steel strand wires 6 on one side of inside lining block 12 mutually, then pass steel strand wires 6 with fitting pin 10, place it at locking groove 8 inboardly to reduce the jack time when playing the installation, simplified operation step.

Further, the anchor plate 5 is combined with the semicircular groove on the inner side of the lining block 12 to form a locking groove 8, the locking groove 8 is fixed with the locking pin 10 through insertion, the locking pin 10 wraps the steel strand 6 and then is placed in the locking groove 8, the steel strand 6 is tensioned, the locking pin 10 is locked, the acting force is larger, the clamping force is larger, and therefore the clamping and fixing effects are achieved.

Further, the anti-oxidation layer 11 is wrapped inside the isolation sleeve 7, filler is arranged inside the isolation sleeve 7, and the filler is poured on the inner side of the isolation sleeve 7, so that the steel strand 6 can be protected, and the effects of dehumidification and temperature insulation are achieved.

Further, the surface mounting of steel strand wires 6 has oxidation resisting layer 11, and oxidation resisting layer 11 passes through plug connection with isolated sleeve pipe 7, and the surface of steel strand wires 6 scribbles oxidation resisting layer 11, when can guaranteeing steel strand wires 6 uses through oxidation resisting layer 11, avoids the oxidation, reduces its working strength.

The working principle is as follows: when in use, the fixing structure of the internal clamping groove of the device is checked, when in installation, the spring base 1 and the spring bushing 4 are firstly installed at one side of the supporting base 3, the supporting base 3 is installed at two ends of a bridge body in advance, then concrete is poured and embedded at two ends of the concrete, namely two ends of the bridge body, namely end faces arranged for the stabilizing effect of a jack during tensioning, the isolation sleeve 7 is inserted into the inner side of the supporting base 3, the steel strand 6 is inserted into the inner side of the isolation sleeve 7, the steel strand 6 is sleeved into the hole of the anchor plate 5, a groove at one side of the inner lining block 12 corresponds to the steel strand 6, the steel strand 6 is clamped by the locking pin 10 and sleeved in the locking groove 8, the steps are repeated from the other end of the bridge body, the steel strand 6 is pulled by the tensioning jack, vertical tensioning is carried out after the longitudinal pulling is finished, finally, the filler is driven into the inner side of the isolation sleeve 7 by, and finishing the installation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a bridge is prestressing force mounting for construction, includes spring foundation (1), its characterized in that: spring bushing (4) is installed on one side of spring base (1), the surface mounting of spring bushing (4) has spiral muscle (2), the surface mounting of spring bushing (4) one side has support base (3), the inner wall that supports base (3) is installed anchor backing plate (9), the surface mounting that supports base (3) one side has anchor slab (5), the inboard of anchor slab (5) is provided with locking groove (8), interior filler block (12) is installed to the inboard of anchor slab (5), isolated sleeve pipe (7) is installed to one side of anchor backing plate (9), antioxidation layer (11) is installed to the inboard of isolated sleeve pipe (7), the inboard installation of antioxidation layer (11) is by steel strand wires (6), steel strand wires (6) run through antioxidation layer (11) and extend to between anchor slab (5) and liner block (12), the inner side of the locking groove (8) is inserted with a locking pin (10), and the inner side of the anchor plate (5) is provided with a hole which is smaller than the diameter of the inner lining block (12).

2. The prestressed fixing member for bridge building construction according to claim 1, wherein: the outer surface mounting of spring base (1) and spring bushing (4) has spiral muscle (2), spiral muscle (2) are fixed through pegging graft with spring base (1).

3. The prestressed fixing member for bridge building construction according to claim 1, wherein: the bottom surface of the inner filler block (12) is completely attached to the upper end surface of the inner wall of the anchor plate (5), and the inner filler block (12) is fixed with the anchor plate (5) through a clamping groove.

4. The prestressed fixing member for bridge building construction according to claim 1, wherein: the anchor plate (5) is combined with the semicircular groove on the inner side of the lining block (12) to form a locking groove (8), and the locking groove (8) is fixedly connected with the locking pin (10) in an inserting mode.

5. The prestressed fixing member for bridge building construction according to claim 1, wherein: the anti-oxidation layer (11) is wrapped in the isolation sleeve (7), and filling materials are installed inside the isolation sleeve (7).

6. The prestressed fixing member for bridge building construction according to claim 1, wherein: the outer surface mounting of steel strand wires (6) has oxidation resisting layer (11), oxidation resisting layer (11) and isolated sleeve pipe (7) are through plug connection.