CN218754507U - Railway T beam bridge crane hoist and mount auxiliary device - Google Patents

Abstract

The utility model discloses a railway T roof beam structure bridge crane hoist auxiliary device relates to railway bridge erection technical field, including carriage, hoist and mount xarm, hoist cable, lifter plate, the hoist and mount xarm is fixed in the carriage lower extreme, and the carriage slides and locates on the bridge erection machine, hoist and mount xarm bottom both ends all slide and are equipped with the U-shaped piece, the hoist cable both ends are fixed in two U-shaped piece bottoms respectively, be equipped with the drive adjustment mechanism who adjusts interval between two U-shaped pieces in the hoist and mount xarm, U-shaped piece one side all is fixed with the connecting block, and two connecting block lower extremes all articulate have the connecting rod, and two connecting rod lower extremes all articulate in lifter plate upper portion, lifter plate bottom four corners position department all is fixed with the telescopic link, and a plurality of telescopic link lower extremes are fixed with same tight board of supporting. The utility model discloses, but automatic adjustment when realizing that the hoist cable reply different width case roof beams to support tight board and can compress tightly the case roof beam, realize overturning and toppling preventing of case roof beam, improve hoist and mount safety and stability greatly.

Description

Railway T beam bridge crane hoist and mount auxiliary device

Technical Field

The utility model relates to a railway bridge erecting technical field especially relates to a railway T roof beam bridge crane hoist and mount auxiliary device.

Background

The bridge erecting machine is a device for placing a prefabricated box girder on the prefabricated bridge piers, has the main functions of lifting the box girder and conveying the box girder to the bridge piers to be put down, is greatly different from a crane in the general sense, has harsh requirements, and walks or moves longitudinally on the box girder, and is divided into a plurality of types such as erecting a highway bridge, a conventional railway bridge and a railway bridge special for passengers.

The retrieved CN212356210U discloses the field of auxiliary hoisting of a bridge girder erection machine, and discloses an auxiliary hoisting device of the bridge girder erection machine, which comprises a hoisting arm; sliding grooves are formed in two sides of the inner portion of the hoisting arm, sliding blocks are movably mounted in the sliding grooves, screw rods are transversely and movably mounted in the sliding grooves, screw holes are formed in the sliding blocks, and the screw rods rotatably penetrate through the screw holes; the utility model discloses a hoist and mount bridge plate, including slider, screw rod, hoist arm, motor, hoist arm, gear A, hoist arm both sides inside top and install the motor, can accomplish the regulation work of hoist cable interval through two sets of hoist and mount piece opposite direction movements, make it be suitable for the prefabricated bridge plate of different width, stability is relatively poor when avoiding the narrow or wide bridge plate of hoist and mount width.

However, the inventor finds that the technical scheme still has at least the following defects:

although can adjust the interval between the hoist cable among the above-mentioned technical scheme, nevertheless, can not compress tightly spacingly to the case roof beam for behind the hoist cable hoist case roof beam, the case roof beam still can overturn in the hoist cable, and stability is not good, causes the case roof beam to topple easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a railway T-beam bridge girder erection machine hoisting auxiliary device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a railway T roof beam structure bridge crane hoist and mount auxiliary device, includes carriage, hoist xarm, hoist and mount board, the hoist xarm is fixed in the carriage lower extreme, and the carriage slides and locates on the bridge crane, hoist and mount xarm bottom both ends all slide and are equipped with the U-shaped piece, the hoist and mount both ends are fixed in two U-shaped piece bottoms respectively, be equipped with the drive adjustment mechanism who adjusts interval between two U-shaped pieces in the hoist and mount xarm, U-shaped piece one side all is fixed with the connecting block, and two connecting block lower extremes all articulate has the connecting rod, and two connecting rod lower extremes all articulate in lifter plate upper portion, lifter plate bottom four corners position department all is fixed with the telescopic link, and a plurality of telescopic link lower extremes are fixed with same tight board of supporting, pressure sensor is installed to the lifter plate bottom.

The utility model discloses further set up to, U-shaped bottom of the block portion all is fixed with the couple, and on the hoist cable both ends all were fixed in the couple.

The utility model discloses further set up to, drive adjustment mechanism is including seting up in the spout at hoist and mount xarm bottom both ends, U-shaped piece one side inner wall all is fixed with the slider, and in the slider all slided and locates the spout, all rotates in two spouts and is equipped with a lead screw, and two lead screws run through two sliders respectively and rather than threaded connection, the inside intermediate position department of hoist and mount xarm opens there is the cavity, and cavity one side inner wall and fixed cover are equipped with second bevel gear are all passed to two lead screw one end, hoist and mount xarm upper portion intermediate position department bolt fastening has the motor, and the motor output passes the cavity inner wall and is fixed with first bevel gear, two second bevel gears all with first bevel gear meshing.

The utility model discloses further set up to, all be fixed with spacing post in the spout, and two spacing posts run through slider, the connecting block of both sides respectively, and spacing post and slider, connecting block sliding connection.

The utility model discloses further set up to, the side channel has all been opened at hoist and mount xarm both sides both ends, U-shaped piece both sides inner wall upper end all rotates and is equipped with two gyro wheels, the U-shaped piece is located the side channel through two sets of gyro wheel cards.

The utility model discloses further set up to, lifter plate upper portion four corners position department all is fixed with the guide post, hoist and mount xarm both sides both ends all are fixed with the fixed block, and a plurality of guide posts run through a plurality of fixed blocks respectively and rather than sliding connection.

The utility model discloses further set up to, the strip breach has all been opened to the lifter plate both sides, and the hoist cable can block into in the strip breach.

The utility model has the advantages that:

1. the utility model discloses a, through two U-shaped pieces that slide to set up to be fixed in two U-shaped piece lower parts with the hoist cable both ends, cooperation drive adjustment mechanism makes when we deal with the case roof beam of different width, can driving motor, drives two sliders and draws close each other or keep away from, thereby makes two U-shaped pieces keep away from each other or be close to, but automatically regulated when realizing that the hoist cable deals with different width case roof beams.

2. The utility model discloses a, through the lifter plate that sets up, support tight board, connecting rod, pressure sensor for the hoist cable is with the case roof beam back of hoisting, and driving motor drives two U-shaped pieces and draws close each other, makes the lifter plate move down with supporting tight board through connecting block, connecting rod, until supporting tight board and case roof beam upper portion contact extrusion, makes to support tight board contact pressure sensor, stops to move down this moment, supports tight board and has compressed tightly the case roof beam completely, realizes overturning and toppling preventing of case roof beam, improves hoist and mount safety and stability greatly.

Drawings

Fig. 1 is a schematic perspective view of a hoisting auxiliary device of a railway T-beam bridge girder erection machine provided by the utility model;

fig. 2 is a schematic plane structure diagram of the auxiliary hoisting device for a railway T-beam bridge girder erection machine provided by the present invention;

fig. 3 is a schematic view of a partial enlarged structure of the auxiliary hoisting device for a railway T-beam bridge girder erection machine provided by the present invention;

fig. 4 is a partial three-dimensional structure schematic diagram of the hoisting auxiliary device of the railway T-beam bridge girder erection machine provided by the utility model.

In the figure: 1. hoisting a cross arm; 2. a carriage; 3. a U-shaped block; 4. a connecting rod; 5. a lifting plate; 6. a propping plate; 7. a pressure sensor; 8. a telescopic rod; 9. hooking; 10. a sling; 11. a guide post; 12. a motor; 13. a side groove; 14. a fixed block; 15. a chute; 16. a strip-shaped notch; 17. a slider; 18. a roller; 19. connecting blocks; 20. a screw rod; 21. a limiting column; 22. a first bevel gear; 23. a second bevel gear; 24. a cavity.

Detailed Description

The technical solution of the present patent will be further described in detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar 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 patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-4, a railway T-beam bridge erecting machine hoisting auxiliary device, including carriage 2, hoist xarm 1, hoist cable 10, lifter plate 5, hoist xarm 1 is fixed in the lower extreme of carriage 2, and carriage 2 slides and locates on the bridge erecting machine, hoist xarm 1 bottom both ends all slide and are equipped with U-shaped block 3, hoist cable 10 both ends are fixed in two U-shaped block 3 bottoms respectively, be equipped with the drive adjustment mechanism who adjusts the interval between two U-shaped blocks 3 in the hoist xarm 1, U-shaped block 3 all is fixed with connecting block 19 on one side, two connecting block 19 lower extremes all articulate has connecting rod 4, and two connecting rod 4 lower extremes all articulate in lifter plate 5 upper portion, lifter plate 5 bottom four corners position department all is fixed with telescopic link 8, and a plurality of telescopic link 8 lower extremes are fixed with same resisting board 6, lifter plate 5 bottom installs pressure sensor 7, lifter plate 5 moves down and makes resisting board 6 support the box girder tightly, and then makes resisting board 6 upper portion contact pressure sensor 7, stop this moment, move down, resisting board 6 has compressed tightly the box girder completely, realize overturning and topple over the box girder.

Specifically, the bottom of the U-shaped block 3 is fixed with a hook 9, two ends of a sling 10 are fixed on the hook 9, the driving adjusting mechanism comprises a sliding groove 15 arranged at two ends of the bottom of the hoisting cross arm 1, the inner wall of one side of the U-shaped block 3 is fixed with a sliding block 17, and the sliding blocks 17 are arranged in the sliding grooves 15 in a sliding manner, a screw rod 20 is arranged in the two sliding grooves 15 in a rotating manner, two screw rods 20 respectively penetrate through the two slide blocks 17 and are in threaded connection with the slide blocks, a cavity 24 is formed in the middle position inside the hoisting cross arm 1, one ends of the two screw rods 20 respectively penetrate through the inner wall of one side of the cavity 24 and are fixedly sleeved with a second bevel gear 23, a motor 12 is fixed at the middle position of the upper part of the hoisting cross arm 1 through bolts, and the output end of the motor 12 passes through the inner wall of the cavity 24 and is fixed with a first bevel gear 22, two second bevel gears 23 are both meshed with the first bevel gear 22, the motor 12 is started to drive the first bevel gear 22 to rotate, the two sliding blocks 17 are driven to approach or move away from each other through the transmission of the second bevel gear 23 and the screw rod 20, so that the two U-shaped blocks 3 are far away from or close to each other, the distance between the slings 10 is automatically adjusted, the limiting columns 21 are fixed in the sliding grooves 15, and two limit columns 21 respectively penetrate through the sliding block 17 and the connecting block 19 on two sides, the limit columns 21 are connected with the sliding block 17 and the connecting block 19 in a sliding manner, side grooves 13 are formed in two ends of two sides of the hoisting cross arm 1, two idler wheels 18 are rotatably arranged at the upper ends of the inner walls on two sides of the U-shaped block 3, the U-shaped block 3 is clamped in the side grooves 13 through the two sets of idler wheels 18, guide columns 11 are fixed at four corners of the upper portion of the lifting plate 5, fixed blocks 14 are fixed at two ends of two sides of the hoisting cross arm 1, the guide columns 11 respectively penetrate through the fixed blocks 14 and are connected with the fixed blocks in a sliding manner, strip-shaped notches 16 are formed in two sides of the lifting plate 5, and the sling 10 can be clamped into the strip-shaped notches 16.

The working principle is as follows: when dealing with the box girder of different width, can driving motor 12, through first bevel gear 22, second bevel gear 23, lead screw 20 transmission drives two sliders 17 and draws close each other or keep away from, thereby make two U-shaped blocks 3 keep away from each other or be close to, automatically regulated interval, the back is hoisted the box girder to hoist cable 10, driving motor 12, drive two U-shaped blocks 3 and draw close each other, through connecting block 19, connecting rod 4 makes lifter plate 5 with support tight board 6 and move down, until support tight board 6 and box girder upper portion contact extrusion, make and support tight board 6 contact pressure sensor 7, stop moving down this moment, support tight board 6 and have compressed tightly the box girder completely, realize preventing the upset to the box girder and topple.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a railway T roof beam bridge crane hoist and mount auxiliary device, includes carriage (2), hoist xarm (1), hoist and mount (10), lifter plate (5), its characterized in that, hoist and mount xarm (1) are fixed in carriage (2) lower extreme, and carriage (2) slide to locate on the bridge crane, hoist and mount xarm (1) bottom both ends all slide and be equipped with U-shaped piece (3), hoist and mount (10) both ends are fixed in two U-shaped piece (3) bottoms respectively, be equipped with the drive adjustment mechanism who adjusts interval between two U-shaped pieces (3) in hoist and mount xarm (1), U-shaped piece (3) one side all is fixed with connecting block (19), and two connecting block (19) lower extreme all articulate has connecting rod (4), and two connecting rod (4) lower extreme all articulate in lifter plate (5) upper portion, lifter plate (5) bottom four corners position department all is fixed with telescopic link (8), and a plurality of telescopic link (8) lower extreme are fixed with same tight board (6), pressure sensor (7) are installed to lifter plate (5) bottom.

2. The auxiliary hoisting device for the railway T-shaped bridge girder erection machine according to claim 1, wherein the bottom of the U-shaped block (3) is fixed with a hook (9), and both ends of the sling (10) are fixed on the hook (9).

3. The auxiliary hoisting device for the railway T-shaped bridge erecting machine according to claim 2, wherein the driving adjusting mechanism comprises sliding grooves (15) formed in two ends of the bottom of the hoisting cross arm (1), sliding blocks (17) are fixed on inner walls of one side of each U-shaped block (3), the sliding blocks (17) are arranged in the sliding grooves (15) in a sliding mode, one lead screw (20) is arranged in each sliding groove (15) in a rotating mode, the two lead screws (20) penetrate through the two sliding blocks (17) and are in threaded connection with the two lead screws, a cavity (24) is formed in the middle position of the inside of the hoisting cross arm (1), one end of each lead screw (20) penetrates through the inner wall of one side of the cavity (24) and is fixedly sleeved with a second bevel gear (23), a motor (12) is fixed on the middle position of the upper portion of the hoisting cross arm (1) through a bolt, an output end of the motor (12) penetrates through the inner wall of the cavity (24) and is fixed with a first bevel gear (22), and the two second bevel gears (23) are meshed with the first bevel gear (22).

4. The hoisting auxiliary device of the railway T-beam bridge erecting machine according to claim 3, wherein limiting columns (21) are fixed in the sliding grooves (15), the two limiting columns (21) respectively penetrate through the sliding blocks (17) and the connecting blocks (19) on the two sides, and the limiting columns (21) are slidably connected with the sliding blocks (17) and the connecting blocks (19).

5. The auxiliary hoisting device for the railway T-shaped bridge erecting machine according to claim 4, wherein side grooves (13) are formed in both ends of each hoisting cross arm (1), two rollers (18) are rotatably arranged on the upper ends of the inner walls of both sides of the U-shaped block (3), and the U-shaped block (3) is clamped in the side grooves (13) through two groups of rollers (18).

6. The auxiliary hoisting device for the railway T-beam bridge girder erection machine as claimed in claim 5, wherein the four corners of the upper part of the lifting plate (5) are fixed with guide posts (11), the two ends of the two sides of the hoisting cross arm (1) are fixed with fixing blocks (14), and the plurality of guide posts (11) respectively penetrate through the fixing blocks (14) and are connected with the fixing blocks in a sliding manner.

7. The auxiliary hoisting device for the railway T-beam bridge girder erection machine is characterized in that strip-shaped notches (16) are formed in both sides of the lifting plate (5), and the sling (10) can be clamped into the strip-shaped notches (16).

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