CN217168931U - High-stability box girder die jacking device - Google Patents

Abstract

The utility model discloses a box girder mould jacking device of high stability, comprising a base plate, the fixed first mould that is provided with in bottom plate upper end middle part, first mould both sides are provided with the second mould, second mould upper end is provided with the third mould, the fixed climbing mechanism that is provided with of bottom plate lower extreme, climbing mechanism includes function storehouse, pneumatic cylinder, filling block, the fixed function storehouse that is provided with of bottom plate lower extreme, the inside both sides in function storehouse are the fixed pneumatic cylinder that is provided with all, the inside both sides embedding of first mould is provided with the jacking block, fixed connection between the expansion end of pneumatic cylinder and the filling block, the expansion end of pneumatic cylinder is provided with protection machanism. The utility model discloses excellent in use effect can conveniently be with the ejecting drawing of patterns of the good case roof beam of producing through climbing mechanism to can make things convenient for subsequent transportation, can prevent effectively simultaneously through protection machanism that the pneumatic cylinder from damaging suddenly and leading to the case roof beam to lose the support of a part and pounding suddenly and cause the unnecessary loss.

Description

High-stability box girder die jacking device

Technical Field

The utility model relates to a box girder mould technical field specifically is a box girder mould jacking device of high stability.

Background

The box girder is one of the middle girders in bridge engineering, the inner part of the box girder is hollow, and flanges are arranged on two sides of the upper part of the box girder and are similar to a box, so that the box girder is named. Single box, multi-box, etc.

And present case roof beam often pours into cement through the mould inside when production into and produces, and present case roof beam inside is provided with pneumatic cylinder lifting mechanism and lacks the protection stable function, because the general bulky weight of case roof beam is heavier, and when the pneumatic cylinder used under this kind of high strength lifting effect for a long time, easily damaged, and lack the protection stable function at present and carry on spacingly to the damage position when the pneumatic cylinder damages.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a box girder mould jacking device of high stability to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a box girder mold jacking device of high stability, includes the bottom plate, the fixed first mould that is provided with in bottom plate upper end middle part, first mould both sides are provided with the second mould, second mould upper end is provided with the third mould, the fixed climbing mechanism that is provided with of bottom plate lower extreme, climbing mechanism includes function storehouse, pneumatic cylinder, filling block, the fixed function storehouse that is provided with of bottom plate lower extreme, the inside both sides in function storehouse are all fixed and are provided with the pneumatic cylinder, the inside both sides embedding of first mould is provided with the jacking block, fixed connection between the expansion end of pneumatic cylinder and the filling block, the expansion end of pneumatic cylinder is provided with protection machanism.

Preferably, the protection mechanism comprises a stand column, a clamping groove, a fixing ring, telescopic rods and a clamping block, the stand column is uniformly and fixedly arranged on the periphery of the hydraulic cylinder inside the functional bin, a plurality of clamping grooves are uniformly formed in the surface of the outer side of the stand column, the fixing ring is fixedly arranged on the surface of the outer side of the movable end of the hydraulic cylinder, the telescopic rods are uniformly and fixedly arranged on the periphery of the inside of the fixing ring, the clamping block is fixedly arranged at the movable end of each telescopic rod, the clamping block is movably clamped inside the clamping groove, and unnecessary loss caused by sudden smashing of a part of the box girder due to sudden damage of the hydraulic cylinder can be prevented through the protection mechanism.

Preferably, the spring is arranged in the telescopic rod, so that the telescopic rod can be conveniently pushed to extend through the spring, the clamping block can be conveniently pushed to stretch all around, and the clamping block can be clamped into the clamping groove.

Preferably, the fixture block is trapezoidal, a guide angle is arranged at the upper end of the surface of the outer side of the clamping groove, and the fixture block can be conveniently clamped into the clamping groove through the trapezoidal fixture block and the guide angle and can be extruded to be separated from the clamping groove under the action of force when the fixture block moves upwards after being clamped into the clamping groove.

Preferably, the fixture block is made of iron metal materials, the fixture block made of iron metal materials has enough hardness, and meanwhile, the fixture block can be conveniently adsorbed by magnetic force.

Preferably, the middle part of the inner side of the fixing ring is fixedly provided with an electromagnet, and the clamping block can be conveniently adsorbed by the electromagnet to shrink.

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

1. the utility model discloses when the pneumatic cylinder damages suddenly and leads to the case roof beam to lose the support of a part, the in-process that the expansion end of the pneumatic cylinder of this damage moved down, the fixture block can be gone into inside the draw-in groove nearby under the effect of spring card to can form spacingly, thereby can prevent that the case roof beam from losing the support of a part and pounding suddenly and cause the unnecessary loss down.

2. The utility model discloses if the work of pneumatic cylinder extension lifting case roof beam smoothly finishes the back, can adsorb the fixture block through the electro-magnet to make the fixture block shrink together under the effect of magnetism, thereby can make things convenient for the pneumatic cylinder shrink, convenient lifting work next time.

Drawings

Fig. 1 is a schematic view of the overall structure of a high-stability box girder mold jacking device of the present invention;

fig. 2 is an enlarged view of a position a in fig. 1 of the high-stability box girder die jacking device of the present invention;

fig. 3 is the utility model relates to a solid fixed ring's of box girder mould jacking device inner structure view of high stability.

In the figure: 1. a base plate; 2. a first mold; 3. a second mold; 4. a third mold; 5. a functional bin; 6. a hydraulic cylinder; 7. filling blocks; 8. a column; 9. a card slot; 10. a fixing ring; 11. a telescopic rod; 12. a clamping block; 13. an electromagnet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a box girder mould jacking device of high stability, includes bottom plate 1, 1 upper end middle part of bottom plate is fixed and is provided with first mould 2, 2 both sides of first mould are provided with second mould 3, 3 upper ends of second mould are provided with third mould 4, the fixed climbing mechanism that is provided with of 1 lower extreme of bottom plate, climbing mechanism includes function storehouse 5, pneumatic cylinder 6, filling block 7, the fixed function storehouse 5 that is provided with of 1 lower extreme of bottom plate, 5 inside both sides of function storehouse are all fixed and are provided with pneumatic cylinder 6, 2 inside both sides embeddings of first mould are provided with the jacking block, fixed connection between the expansion end of pneumatic cylinder 6 and the filling block 7, the expansion end of pneumatic cylinder 6 is provided with protection machanism.

The protection mechanism comprises a stand column 8, a clamping groove 9, a fixing ring 10, telescopic rods 11 and clamping blocks 12, the stand column 8 is uniformly and fixedly arranged around a hydraulic cylinder 6 inside the function bin 5, the clamping grooves 9 are uniformly formed in the surface of the outer side of the stand column 8, the fixing ring 10 is fixedly arranged on the surface of the outer side of the movable end of the hydraulic cylinder 6, the telescopic rods 11 are uniformly and fixedly arranged around the inside of the fixing ring 10, the clamping blocks 12 are fixedly arranged at the movable end of the telescopic rods 11, the clamping blocks 12 are movably clamped inside the clamping grooves 9, and unnecessary loss caused by the fact that the box girder loses a part of support and is suddenly smashed due to sudden damage of the hydraulic cylinder 6 can be prevented through the protection mechanism.

The telescopic rod 11 is internally provided with a spring, so that the telescopic rod 11 can be conveniently pushed to extend through the spring, the clamping block 12 can be conveniently pushed to stretch all around, and the clamping block can be clamped into the clamping groove 9.

The fixture block 12 is trapezoidal, a guide angle is arranged at the upper end of the outer side surface of the clamping groove 9, and the fixture block 12 can be conveniently clamped into the clamping groove 9 through the trapezoidal fixture block 12 and the guide angle and can be extruded to be separated from the clamping groove 9 under stress when the fixture block moves upwards after being clamped into the clamping groove 9.

The fixture block 12 is made of an iron metal material, and the fixture block 12 made of the iron metal material has enough hardness and can be conveniently adsorbed by magnetic force.

The middle part of the inner side of the fixing ring 10 is fixedly provided with an electromagnet 13, and the adsorption fixture block 12 can be conveniently contracted through the electromagnet 13.

The working principle is as follows: when the device is used, grouting can be performed to the inside of the first mold 2, the second mold 3 and the third mold 4, after cement slurry is solidified, the third mold 4 at the uppermost end is disassembled, then the filling block 7 can be pushed by extending the hydraulic cylinder 6, so that the produced box girder can be lifted up for demolding, subsequent operations such as hoisting and the like can be facilitated, after the hydraulic cylinder 6 is extended, the fixture block 12 clamped into the inside of the clamping groove 9 can be driven to extrude the upper end surface of the clamping groove 9, at the moment, the telescopic rod 11 can be contracted when the fixture block 12 extrudes the upper end surface of the clamping groove 9 through the trapezoidal fixture block 12 and the guide angle, so that the fixture block 12 can be moved out of the clamping groove 9, the extension of the hydraulic cylinder 6 can not be hindered, when the box girder loses a part of support due to sudden damage of the hydraulic cylinder 6, the fixture block 12 can be clamped into the nearby clamping groove 9 under the action of the spring in the process of downward movement of the damaged hydraulic cylinder 6, thereby can form spacingly to can prevent that the case roof beam from losing the support of a part and pounding down and cause the unnecessary loss suddenly, and if the work of pneumatic cylinder 6 smooth extension lifting case roof beam finishes the back, can adsorb fixture block 12 through electro-magnet 13, thereby make fixture block 12 shrink together under the effect of magnetism is inhaled, thereby can make things convenient for pneumatic cylinder 6 to shrink, convenient next lifting work, this is exactly the utility model relates to a high stability's case roof beam mould jacking device's theory of operation.

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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a box girder mould jacking device of high stability, includes bottom plate (1), its characterized in that: the fixed first mould (2) that is provided with in bottom plate (1) upper end middle part, first mould (2) both sides are provided with second mould (3), second mould (3) upper end is provided with third mould (4), the fixed climbing mechanism that is provided with of bottom plate (1) lower extreme, climbing mechanism includes function storehouse (5), pneumatic cylinder (6), filling block (7), bottom plate (1) lower extreme is fixed and is provided with function storehouse (5), the inside both sides of function storehouse (5) are all fixed and are provided with pneumatic cylinder (6), the inside both sides embedding of first mould (2) is provided with the jacking block, fixed connection between the expansion end of pneumatic cylinder (6) and filling block (7), the expansion end of pneumatic cylinder (6) is provided with protection machanism.

2. The box girder die jacking device with high stability as claimed in claim 1, wherein: protection machanism includes stand (8), draw-in groove (9), solid fixed ring (10), telescopic link (11), fixture block (12), inside evenly fixed being provided with stand (8) all around pneumatic cylinder (6) in function storehouse (5), a plurality of draw-in grooves (9) have evenly been seted up on stand (8) outside surface, the expansion end outside fixed surface of pneumatic cylinder (6) is provided with solid fixed ring (10), gu fixed ring (10) inside evenly fixed being provided with a plurality of telescopic links (11) all around, the expansion end of telescopic link (11) is fixed to be provided with fixture block (12), fixture block (12) activity block sets up inside draw-in groove (9).

3. The box girder die jacking device with high stability as claimed in claim 2, wherein: a spring is arranged in the telescopic rod (11).

4. The box girder die jacking device with high stability as claimed in claim 2, wherein: the fixture block (12) is trapezoidal, and a guide angle is arranged at the upper end of the outer side surface of the clamping groove (9).

5. The box girder die jacking device with high stability as claimed in claim 2, wherein: the fixture block (12) is made of iron metal material.

6. The box girder die jacking device with high stability as claimed in claim 2, wherein: and an electromagnet (13) is fixedly arranged in the middle of the inner side of the fixing ring (10).

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