CN217579793U - Protective device for prestressed construction of viaduct - Google Patents

Abstract

The utility model discloses a protective device for the prestressed construction of an viaduct, which comprises a folding type protective plate and upright posts positioned at the left end and the right end of the folding type protective plate, wherein folding type support legs are arranged at the front side and the rear side of each upright post and stand on the ground through the folding type support legs; the foldable protection plate comprises a plurality of laths which are vertically arranged from left to right in sequence, and adjacent laths are rotationally connected together through a hinge mechanism; and the two upright posts are provided with connecting strips which are used for being hinged with the folding protection plates. Can be folded, and saves space.

Description

Protective device for prestressed construction of viaduct

Technical Field

The utility model relates to a protector, concretely relates to protector of overpass prestressing force construction.

Background

The prestressed construction of the viaduct refers to that tension is added in advance in a bridge member, so that the applied prestressed tensioning member bears compressive stress, and further the applied prestressed tensioning member generates certain deformation to deal with the load of the structure, including the load of the self weight of the member, wind load, snow load, earthquake load action and the like, and the steel strand, the jack, the anchor plate, the clamping piece and the like are used in general tensioning.

At the in-process of overpass prestressing force construction, need use protector to keep apart construction site and external to in avoiding irrelevant personnel to get into the construction site, but present protector is fixed knot structure mostly, comprises the guard plate with the type of falling T support of fixing in the guard plate both sides usually, and the stability when being convenient for carry and placing is good, nevertheless lacks folding and flexible function, can occupy a large amount of spaces when leading to storing and transporting, remains to improve.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the technical problem who exists among the prior art, creatively provide a protector of overpass prestressing force construction very much, can fold, save space.

In order to realize the above purpose of the utility model, the utility model provides a protective device for the prestressed construction of viaducts, which comprises a folding protective plate and upright posts positioned at the left and right ends of the folding protective plate, wherein folding support legs are arranged at the front and back sides of the upright posts and stand on the ground through the folding support legs;

the foldable protection plate comprises a plurality of laths which are vertically arranged from left to right in sequence, and adjacent laths are rotationally connected together through a hinge mechanism; and the two upright posts are provided with connecting strips for being hinged with the folding protection plates.

In the scheme, the method comprises the following steps: the folding type support leg comprises a support rod, one end of the support rod is hinged to the bottom end of the upright post, the other end of the support rod is hinged to an inclined support rod, the other end of the inclined support rod is hinged to a connecting block, an upper threaded hole and a lower threaded hole are formed in the front side and the rear side of the upright post at intervals up and down, a first bolt is arranged on the connecting block corresponding to the upper threaded hole and the lower threaded hole, and when the first bolt is in threaded connection with the upper threaded hole, the support rod and the inclined support rod are tightly attached to the upright post to achieve folding; when the first bolt is in threaded connection with the lower threaded hole, the bottom surface of the supporting rod is flush with the bottom surface of the upright post, the supporting rod is unfolded, and the folding and unfolding are simple.

In the scheme, the method comprises the following steps: a locking mechanism used for maintaining the folding protection plate in the unfolding state is arranged between the two upright posts.

In the scheme, the method comprises the following steps: locking mechanical system includes first vaulting pole and second vaulting pole, the one end of first vaulting pole and second vaulting pole articulates respectively on two stands, the other end of first vaulting pole is equipped with the lug, the other end of second vaulting pole is equipped with the recess that matches with the lug, the lug stretches to in the recess to through passing the second bolted connection of lug and recess jointly together. Through being connected first vaulting pole and the second vaulting pole that corresponds, can fix a position the separation distance of two stands to ensure protector's stability.

In the scheme, the method comprises the following steps: the hinge mechanism comprises a first sleeve arranged on one side of each slat and a second sleeve arranged on the other side of each slat, the first sleeves and the second sleeves are staggered front and back, two adjacent slats are reversely combined with connecting shafts for assembly, and two adjacent connecting shafts are staggered front and back; the two connecting strips are respectively provided with a first sleeve or a second sleeve corresponding to the strip plates at the edges, and are hinged through the connecting shaft. The space occupied after folding up is small, further improves and accomodates the convenience and reduces occupation space.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: the folding protection plate formed by the hinged slats can be unfolded when needed and folded when not needed to reduce the storage space occupied by the protection device. The hinge mechanism that connecting axle and a plurality of first sleeve, the second sleeve that set up constitute can stabilize folding slat. The folding type support legs can fold the support legs of the stand column, so that the occupied storage space is further reduced, and the convenience is improved.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a protective device for viaduct prestress construction.

Fig. 2 is a schematic structural view of a support frame in a protective device for viaduct prestress construction.

Fig. 3 is a schematic structural diagram of a rotary connecting mechanism in a protective device for the prestressed construction of a viaduct.

Fig. 4 is a schematic view of the folded state of the slats in the protecting device for the prestressed construction of viaducts.

Fig. 5 is a schematic structural view of a groove in a protective device for viaduct pre-stress construction.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 5, the protective device for the prestressed construction of the viaduct comprises a folding protection plate 8 and upright posts 1 positioned at the left end and the right end of the folding protection plate 8, wherein folding support legs are arranged at the front side and the rear side of each upright post 1, and the upright posts stand on the ground through the folding support legs. Wherein, the folding stabilizer blade includes that one end articulates at the bracing piece 2 of stand 1 bottom, the other end of bracing piece 2 articulates there is diagonal brace 3, the other end of diagonal brace 3 articulates there is connecting block 4, both sides are all provided with screw hole 6 and screw hole 7 down from top to bottom at the interval around stand 1, connecting block 4 corresponds screw hole 6 and screw hole 7 down and is provided with first bolt 5, when 5 threaded connection of first bolt were in last screw hole 6 departments, stand 1 is all hugged closely to bracing piece 2, diagonal brace 3, the realization is folded up. When the first bolt 5 is connected with the lower threaded hole 7 in a threaded manner, the bottom surface of the support rod 2 is flush with the bottom surface of the upright post 1, and the support rod can be unfolded simply folded and unfolded.

The folding protection plate 8 comprises a plurality of slats 10 which are vertically arranged from left to right in sequence, and the adjacent slats 10 are rotationally connected together through a hinge mechanism.

The hinge mechanism comprises a plurality of first sleeves 12 arranged on one side of the laths 10 at intervals and second sleeves 13 arranged on the other side of the laths 10 at intervals, the first sleeves 12 and the second sleeves 13 which are respectively arranged on two sides are arranged in a staggered mode from top to bottom, so that the second sleeve 13 on any one lath 10 can be just clamped between the first sleeves 12 of the adjacent laths 10, the upper and lower parts of the second sleeves are overlapped into a column, hinging is realized through connecting shafts 11 which jointly penetrate through the second sleeves 13 and the first sleeves 12, the first sleeves 12 and the second sleeves 13 are staggered from front to back, the two adjacent laths 10 are reversed and combined with the connecting shafts 11 to be spliced, and the two adjacent connecting shafts 11 are staggered from front to back. The space occupied after folding up is small, thereby further improving the storage convenience and reducing the occupied space.

The two upright posts 1 are respectively provided with a connecting strip 9 used for being hinged with the folding protection plate 8, and the strip plates 10 of the two connecting strips 9, which respectively correspond to the edges, are provided with a first sleeve 12 or a second sleeve 13 and are hinged through a connecting shaft 11.

Preferably, a locking mechanism for maintaining the foldout protection panels 8 in the unfolded state is provided between the two uprights 1. The locking mechanism comprises a first support rod 14 and a second support rod 15, one ends of the first support rod 14 and the second support rod 15 are respectively hinged to the two upright posts 1, and the hinged points of the first support rod 14 and the second support rod 15 are located at the same horizontal height. The other end of the first stay 14 is provided with a projection 16, the other end of the second stay 15 is provided with a groove 17 matched with the projection 16, and the projection 16 extends into the groove 17 and is connected together through a second bolt 18 which jointly penetrates through the projection 16 and the groove 17. Through being connected first vaulting pole and the second vaulting pole that corresponds, can fix a position the separation distance of two stands to ensure protector's stability.

When in use, the two upright posts 1 are pulled apart to unfold the folding protection plate 8. The first support rod 14 and the second support rod 15 are rotated to be in a horizontal state, the projection 16 of the first support rod 14 is clamped in the groove 17 and connected together through the second bolt 18 which jointly penetrates through the projection 16 and the groove 17, the fixing of the locking mechanism is achieved, and therefore the folding protection plate 8 is locked in the unfolded state.

The first bolt 5 is engaged with the upper screw hole 6 or the lower screw hole 7, whereby the form of the collapsible leg can be changed. When the first bolt 5 is screwed in the lower threaded hole 7, the support rod 2 can be in a horizontal state, so that the stand column 1 is supported by the support rod 2, and meanwhile, the inclined support rod 3 is in an inclined state, so that the stability of the support rod 2 can be ensured. When the protection device needs to be stored, the first bolt 5 is only needed to be connected to the upper threaded hole 6, so that the support rod 2 and the inclined support rod 3 can be attached to the outer wall of the stand column 1, the folding of the folding type support legs is achieved, and the storage space occupied by the protection device is effectively reduced.

Claims (5)

1. The utility model provides a protector of overpass prestressing force construction which characterized in that: the foldable protection device comprises a foldable protection plate (8) and upright posts (1) positioned at the left end and the right end of the foldable protection plate (8), wherein foldable support legs are arranged at the front side and the rear side of each upright post (1) and stand on the ground through the foldable support legs;

the folding type protection plate (8) comprises a plurality of laths (10) which are sequentially and vertically arranged from left to right, and the adjacent laths (10) are rotationally connected together through a hinge mechanism; and the two upright posts (1) are provided with connecting strips (9) which are used for being hinged with the folding protection plates (8).

2. The protective device for the prestressed construction of viaducts of claim 1, wherein: the foldable support leg comprises a support rod (2) with one end hinged to the bottom end of an upright post (1), an inclined support rod (3) is hinged to the other end of the support rod (2), a connecting block (4) is hinged to the other end of the inclined support rod (3), upper threaded holes (6) and lower threaded holes (7) are formed in the front side and the rear side of the upright post (1) at intervals up and down, first bolts (5) are arranged on the connecting block (4) corresponding to the upper threaded holes (6) and the lower threaded holes (7), and when the first bolts (5) are connected to the upper threaded holes (6) in a threaded mode, the support rod (2) and the inclined support rod (3) are tightly attached to the upright post (1) to achieve folding; when the first bolt (5) is in threaded connection with the lower threaded hole (7), the bottom surface of the support rod (2) is flush with the bottom surface of the upright post (1) and is unfolded.

3. The protective device for the prestressed construction of viaducts of claim 1, wherein: a locking mechanism for maintaining the folding protection plate (8) in an unfolding state is arranged between the two upright posts (1).

4. The protective device for the prestressed construction of viaducts of claim 3, wherein: locking mechanical system includes first vaulting pole (14) and second vaulting pole (15), the one end of first vaulting pole (14) and second vaulting pole (15) articulates respectively on two stand (1), the other end of first vaulting pole (14) is equipped with lug (16), the other end of second vaulting pole (15) is equipped with recess (17) that match with lug (16), lug (16) stretch to in recess (17) to link together through passing second bolt (18) of lug (16) and recess (17) jointly.

5. The protective device for the prestressed construction of viaducts of claim 1, wherein: the hinge mechanism comprises a first sleeve (12) arranged on one side of each slat (10) and a second sleeve (13) arranged on the other side of each slat, the first sleeves (12) and the second sleeves (13) are staggered front and back, two adjacent slats (10) are reversely combined with connecting shafts (11) for assembly, and two adjacent connecting shafts (11) are staggered front and back; the laths (10) of the two connecting strips (9) corresponding to the edges are also provided with a first sleeve (12) or a second sleeve (13) and are hinged through a connecting shaft (11).

Images