CN214422179U - Hoisting equipment for hoisting prefabricated blocks of bridge deck auxiliary facilities - Google Patents

Abstract

The utility model relates to a lifting device technical field especially relates to a lifting device for hoisting bridge floor subsidiary facility prefabricated section. The lifting appliance is positioned below the bearing part; the lifting appliance comprises a top rod, a connecting sleeve, a bottom rod, a connecting claw and a pin; nuts are arranged at the top end and the bottom end of the connecting sleeve, the bottom end of the ejector rod is in threaded connection with the nut at the top end of the connecting sleeve, the top end of the ejector rod is connected with the bottom of the lifting appliance, the top end of the bottom rod is in threaded connection with the nut at the bottom end of the connecting sleeve, the bottom end of the bottom rod is connected with the top of the connecting claw, and a jack which penetrates through the connecting sleeve in the radial direction is arranged at the middle section of the connecting sleeve; the connecting claw sets up to the U-shaped, and the both ends of connecting the claw all extend to the sill bar dorsad, and the both ends of connecting the claw are equipped with the through-hole that the position is relative, and the pin can insert in two through-holes of connecting the claw. The utility model aims to connect the bridge floor subsidiary facility prefabricated section.

Description

Hoisting equipment for hoisting prefabricated blocks of bridge deck auxiliary facilities

Technical Field

The utility model relates to a lifting device technical field especially relates to a lifting device for hoisting bridge floor subsidiary facility prefabricated section.

Background

The bridge deck auxiliary facilities comprise structures such as cable troughs, anti-collision walls, shielding plates, railings, contact net columns and the like, the positions of the bridge deck auxiliary facilities are positioned on two sides of a left line track and a right line track, and the bridge deck auxiliary facilities mainly have the functions of communication, signal, electric power and other cables, such as passing, installation, line maintenance, safety and the like. When traditional bridge subsidiary facilities are constructed, steel bars are embedded on flanges on two sides of a box girder, and cast-in-place construction is carried out through an integral steel mould girder. The structure and the construction mode have high requirements on the site, the time of formwork erecting, pouring, formwork removing and maintenance procedures is long, meanwhile, the dead weight of the curtain plate structure is very large, a large amount of manpower and templates need to be input, the influence of weather and human factors is caused, the pouring construction quality is not easy to guarantee, the construction period is long, and the rapid construction requirement cannot be met. In order to avoid the construction of cast-in-place concrete on the bridge and ensure the engineering quality and green construction, the integral prefabricated bridge deck auxiliary facilities are gradually applied and popularized in railway construction.

The prefabricated blocks of the auxiliary facilities on the bridge deck need to be transported from a centralized stacking point to a construction point for alignment installation. The transportation of the prefabricated blocks of the deck auxiliary facilities is usually completed by a forklift. However, the fork frame of the forklift is not a lifting tool specially used for transporting the prefabricated blocks of the auxiliary facilities on the bridge floor, and a plurality of problems exist in the transporting process. For example, the deck attachment precast block placed on the fork of the forklift may fall, the deck attachment precast block cannot be accurately installed in alignment, and the like. Therefore, it is necessary to design a hoisting device capable of hoisting precast blocks of deck auxiliary facilities.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lifting device for hoisting bridge floor subsidiary facility prefabricated section, the utility model aims to connect bridge floor subsidiary facility prefabricated section.

The hoisting equipment for hoisting the precast blocks of the bridge deck auxiliary facilities comprises a bearing part and a plurality of hoists, wherein the hoists are positioned below the bearing part; the lifting appliance comprises a top rod, a connecting sleeve, a bottom rod, a connecting claw and a pin; nuts are arranged at the top end and the bottom end of the connecting sleeve, the bottom end of the ejector rod is in threaded connection with the nut at the top end of the connecting sleeve, the top end of the ejector rod is connected with the bottom of the lifting appliance, the top end of the bottom rod is in threaded connection with the nut at the bottom end of the connecting sleeve, the bottom end of the bottom rod is connected with the top of the connecting claw, and a jack which penetrates through the connecting sleeve in the radial direction is arranged at the middle section of the connecting sleeve; the connecting claw sets up to the U-shaped, and the both ends of connecting the claw all extend to the sill bar dorsad, and the both ends of connecting the claw are equipped with the through-hole that the position is relative, and the pin can insert in two through-holes of connecting the claw.

Optionally, each spreader comprises two connecting claws and two pins; the middle parts of the two connecting claws are connected through a transverse rod which extends transversely, and the top end of the bottom rod is connected with the middle section of the transverse rod; two pins can be correspondingly inserted into the through holes of the two connecting claws.

Optionally, the top end of the top bar is hinged to the bottom of the bearing member to allow lateral swinging of the top bar.

Optionally, the bearing part includes rectangle frame and cross link, and the cross link is arranged in the rectangle frame, and four tip of cross link correspond with four frame limits of rectangle frame respectively and are connected, and four hoists articulate respectively in the right angle position of rectangle frame.

Optionally, the device further comprises a longitudinal moving structure, wherein the longitudinal moving structure is positioned above the bearing part; the longitudinal moving structure comprises a pair of transversely spaced first sliding rails, and a first sliding block is slidably mounted between the two first sliding rails; the bearing part is connected with the bottom of the first sliding block; the first sliding block is connected with the first sliding rail through a first electric push rod.

Optionally, the device further comprises a traversing structure, wherein the traversing structure is positioned below the longitudinally moving structure; the transverse moving structure comprises a pair of longitudinally spaced second sliding rails, and the second sliding rails are connected to the bottom of the first sliding block; a second sliding block is slidably arranged between the two second sliding rails, and the bearing part is connected with the bottom of the second sliding block; the second sliding block is connected with the first sliding block through a second electric push rod.

Optionally, the device further comprises a rotating structure, wherein the rotating structure is positioned below the traversing structure; the rotating structure comprises a rotating drum, the top of the rotating drum is connected with the bottom of the second sliding block, the bottom of the rotating drum is connected with the bearing part in a rotating mode, and the side portion of the rotating drum is connected with the bearing part through a third electric push rod.

Optionally, an extension plate extending outwards is arranged on the side of the rotary drum, and the extension plate is connected with the bearing part through a third electric push rod.

The embodiment of the utility model provides a technical scheme compares with prior art and has following advantage:

when the vertical plates are placed in the corresponding connecting claws, the through holes are aligned with the through holes, and pins are inserted into the through holes and the two through holes, so that the bridge deck auxiliary facility prefabricated blocks can be connected with the connecting claws; when the prefabricated blocks of the auxiliary facilities of the bridge deck are transported backwards, the prefabricated blocks of the auxiliary facilities of the bridge deck are firmly connected with the connecting claws and cannot fall off from the connecting claws; and the bottom side of the bridge deck subsidiary facility precast block is not provided with accessories of hoisting equipment, and the bridge deck subsidiary facility precast block can be directly and accurately positioned at a preset position.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic view of a hoisting device for hoisting prefabricated blocks of auxiliary facilities of a bridge deck in an embodiment of the present invention;

FIG. 2 is a schematic view of a hoisting device for hoisting prefabricated blocks of auxiliary facilities of a bridge deck according to an embodiment of the present invention;

FIG. 3 is a schematic view of a traversing mechanism in accordance with an embodiment of the present invention;

fig. 4 is a schematic view of the connection between the first slide block and the second electric push rod according to an embodiment of the present invention;

FIG. 5 is a schematic view of a rotation structure in an embodiment of the present invention;

FIG. 6 is a schematic view of a load bearing member according to one embodiment of the present invention;

fig. 7 is a schematic view of a hoisting device for hoisting prefabricated blocks of auxiliary facilities on a bridge floor according to another embodiment of the present invention.

Wherein, 1, a first slide rail; 2. a first slider; 3. a first electric push rod; 4. a second slide rail; 5. a second slider; 6. a second electric push rod; 7. a first track groove; 8. a second track groove; 9. a connecting strip; 10. a first mounting groove; 11. a second mounting groove; 12. a rotating drum; 13. a bearing member; 14. a third electric push rod; 15. accommodating grooves; 16. an extension plate; 17. a fixed mount; 18. A third slide rail; 19. a push-pull hydraulic cylinder; 20. a cross bar; 21. hanging the plate; 22. a connecting plate; 23. Clamping a plate; 24. a jack; 25. a connecting claw; 26. a through hole; 27. a rectangular outer frame; 28. a cross-shaped connecting frame; 29. a top rod; 30. a connecting sleeve; 31. a bottom bar; 32. a vehicle body.

Detailed Description

In order that the above objects, features and advantages of the present invention may be more clearly understood, the aspects of the present invention will be further described below. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the invention may be practiced in other ways than those described herein; obviously, the embodiments in the specification are only a part of the embodiments of the present invention, and not all of the embodiments.

As shown in fig. 1, fig. 2 and fig. 7, the utility model provides a lifting device (hereinafter referred to as lifting device) for hoisting bridge floor subsidiary facility prefabricated section 33, it includes to indulge and moves structure, sideslip structure and vehicle body 32, indulges to move the front side that the structure is located vehicle body 32, and the sideslip structure is located to indulge the below that moves the structure. The longitudinal moving structure comprises a first electric push rod 3 and a pair of transversely spaced first slide rails 1, one ends of the two first slide rails 1 are connected with the front part of the vehicle body, a first slide block 2 is installed between the two first slide rails 1 in a sliding mode, and the first slide block 2 can slide along the first slide rails 1 in the longitudinal direction; one end of the first electric push rod 3 is connected with the first sliding block 2, and the other end of the first electric push rod 3 is connected with the first sliding rail 1. The traversing structure comprises a second electric push rod 6 and a pair of longitudinally spaced second slide rails 4, and the second slide rails 4 are connected to the bottom of the first slide block 2; a second sliding block 5 is slidably mounted between the two second sliding rails 4, and the second sliding block 5 can transversely slide along the second sliding rails 4; one end of the second electric push rod 6 is connected with the second sliding block 5, and the other end of the second electric push rod 6 is connected with the second sliding rail 4.

In the present embodiment, the longitudinal moving structure includes a first sliding block 2, a first electric push rod 3 and two first sliding rails 1. The two first sliding rails 1 are arranged at intervals in the transverse direction and both extend in the longitudinal direction. The first sliding block 2 is slidably mounted between the two first sliding rails 1, so that the first electric push rod 3 can drive the first sliding block 2 to move along the first sliding rails 1, that is, drive the first sliding block 2 to move along the longitudinal direction.

In this embodiment, there are various connection forms between the first sliding block 2 and the first sliding rail 1. For example, the inner side of the first slide rail 1 is provided with a track extending along the first slide rail 1, and the two transverse ends of the first slide block 2 are movably inserted into the tracks of the two first slide rails 1; the main body section of the first electric push rod 3 is hinged with the top of one first slide rail 1, and the telescopic section is hinged with the top of the first slide rail 1, so that the first slide block 2 is driven to move along the first slide rail 1. For another example, the inner side of the first slide rail 1 is provided with a flange extending along the first slide rail 1, both transverse ends of the first slide block 2 are provided with grooves, and the flanges of the two first slide rails 1 are correspondingly and movably inserted into the two grooves of the first slide block 2; the main body section of the first electric push rod 3 is hinged with the bottom of one first slide rail 1, and the telescopic section is hinged with the bottom of the first slide rail 1, so that the first slide block 2 is driven to move along the first slide rail 1. For another example, the top of the first slide rail 1 is provided with a limiting plate extending along the first slide rail 1, the first slider 2 is slidably mounted on the top of the first slide rail 1, and the first slider 2 is located between the limiting plates of the two first slide rails 1; the main body section of the first electric push rod 3 is hinged with the inner side of a first slide rail 1, and the telescopic section is hinged with the bottom of the first slide block 2, so that the first slide block 2 is driven to move along the first slide rail 1.

In the present embodiment, the traverse structure includes a second slider 5, a second electric push rod 6 and two second slide rails 4. The two second slide rails 4 are provided at intervals in the longitudinal direction, and both extend in the lateral direction. The second sliding block 5 is slidably mounted between the two second sliding rails 4, so that the second electric push rod 6 can drive the second sliding block 5 to move along the second sliding rails 4, i.e. drive the second sliding block 5 to move along the transverse direction. And the second slide rail 4 is connected to the bottom of the first slide block 2, so that the movement of the first slide block 2 can drive the whole transverse moving structure to move longitudinally.

In this embodiment, there are various connection forms between the second sliding block 5 and the second sliding rail 4. For example, the inner side of the second slide rail 4 is provided with a track extending along the second slide rail 4, and the two longitudinal ends of the second slider 5 are movably inserted into the tracks of the two second slide rails 4; the second electric push rod 6 is located between the first slider 2 and the second slider 5, and the main body section of the first electric push rod 3 is hinged with the bottom of the first slider 2, and the telescopic section is hinged with the top of the second slider 5, so that the second slider 5 is driven to move along the second slide rail 4. For another example, the inner side of the second slide rail 4 is provided with a flange extending along the second slide rail 4, both longitudinal ends of the second slide block 5 are provided with grooves, and the flanges of the two second slide rails 4 are correspondingly and movably inserted into the two grooves of the second slide block 5; the second electric push rod 6 is located between the first slider 2 and the second slider 5, and the main body section of the first electric push rod 3 is hinged with the bottom of the first slider 2, and the telescopic section is hinged with the top of the second slider 5, so that the second slider 5 is driven to move along the second slide rail 4. For another example, the top of the second slide rail 4 is provided with a limiting plate extending along the second slide rail 4, the second slider 5 is slidably mounted on the top of the second slide rail 4, the second slider 5 is located between the limiting plates of the two second slide rails 4, and the tops of the limiting plates are connected with the first slider 2; the main body section of the first electric push rod 3 is hinged with the inner side of a second slide rail 4, and the telescopic section is hinged with the bottom of the second slide block 5, so that the second slide block 5 is driven to move along the second slide rail 4.

In the present embodiment, the longitudinal movement structure is attached to the front portion (i.e., the head portion) of the vehicle body 32, so the longitudinal movement structure and the lateral movement structure move with the vehicle body 32, and the actions of the longitudinal movement structure and the lateral movement structure can be within the sight of the operator, helping the operator to control the placement of the precast block 33. In addition, since the prefabricated section 33 needs to be installed at the edge of the bridge, in order to ensure the safety of the operator, the vehicle body needs to be away from the edge of the bridge, so the distance of the first sliding block 2 moving along the longitudinal direction is long, and the difference between the actual position of the prefabricated section 33 and the preset position is easy to generate. In order to ensure the accurate placement of the prefabricated section 33, the position of the first sliding block 2 needs to be within the visual range of the operator, so as to facilitate the first sliding block 2 to control the longitudinal movement path of the first sliding block 2, and therefore, the longitudinal movement structure is arranged above the transverse movement structure. And the horizontal length of second slider 5 can be greater than the interval in the outside that two first slide rails 1 carried on the back mutually, and the position of second slider 5 also can be in operating personnel's visual scope, guarantees the accurate position that falls of prefabricated section 33.

Of course, the vehicle body 32 is a vehicle commonly found in the art, such as a vehicle body of a forklift truck, and the description thereof is omitted in this embodiment. The operator can control the first electric push rod 3, the second electric push rod 6, the third electric push rod 14, the jacking hydraulic cylinder, the push-pull hydraulic cylinder 19, and the like in the vehicle body 32. In addition, as shown in FIG. 1, preform block 33 includes a bottom plate 35 and two risers 34, with the two risers 34 disposed on top of bottom plate 35 and spaced longitudinally apart.

In the embodiment, when the first sliding block 2 is driven to move along the first sliding rail 1 by the first electric push rod 3, the second sliding block 5 can move along the longitudinal direction; when the second sliding block 5 is driven to move along the second sliding rail 4 by the second electric push rod 6, the second sliding block 5 can move along the transverse direction, so that the position of the second sliding block 5 is adjusted. As long as bridge deck subsidiary facility precast block 33 (hereinafter referred to as precast block 33) is connected with second slider 5, and vehicle body 32 is driven to the preset position, the position of precast block 33 can be adjusted, so that accurate alignment installation of precast block 33 is facilitated, and construction efficiency is improved.

In this embodiment, the prefabricated section 33 and the second sliding block 5 can be connected together by some connecting means. For example, a plurality of arc-shaped lifting lugs are provided at the bottom of the second slider 5, and a lifting rope of the precast block 33 is hung and pulled by the lifting lugs. For another example, a lifting hook is provided at the bottom of the second slider 5, and a rope on which the precast block 33 is hung by the lifting hook. For another example, a plurality of pairs of L-shaped steel bar hooks are provided at the bottom of the second slider 5, and the prefabricated block 33 may be placed at the bent section of the L-shaped steel bar hook. Of course, other ways of connecting the prefabricated section 33 with the second sliding block 5 will be apparent to those skilled in the art, and the embodiment will not be described in detail. It should be noted that the longitudinal direction refers to the longitudinal direction of the vehicle body 32, or the direction in which the vehicle body 32 advances; the lateral direction refers to the width direction of the vehicle body 32. First electric putter 3 and second electric putter 6 are the electric putter that this field is common, the utility model discloses no longer describe herein.

As shown in fig. 1 to 2, in some embodiments, the opposite inner sides of the two first sliding rails 1 are provided with first rail grooves 7. The first slider 2 is mounted in the two first rail grooves 7 at both lateral ends thereof, respectively. The bottom of the lateral end of the first slider 2 is in contact with the side wall of the first rail groove 7, and the bottom of the lateral end of the first slider 2 and/or the side wall of the first rail groove 7 is provided with a frosted surface.

In the present embodiment, the openings of the two first rail grooves 7 are opposite, and the bottom wall of the first rail groove 7 is vertical, and the two side walls are vertically opposite. The width of the first track groove 7 (i.e., the interval between the two side walls) is greater than the thickness of the first slider 2. Both lateral ends of the first slider 2 are movably inserted into the two first rail grooves 7, and the first slider 2 moves on the lower side wall of the first rail groove 7. The two ends of the first track can be provided with a baffle plate for preventing the first sliding block 2 from sliding off. Preferably, the first sliding rail 1 may be made of channel steel or i-steel.

The weight of the precast block 33 is heavy, so the inertia of the precast block 33 is large. When the longitudinal movement of the precast block 33 is completed, the precast block 33 keeps moving trend under inertia, and pulls the first slide block 2 to keep moving trend as well. This may cause a certain degree of damage to the first electric putter 3 and also may not facilitate accurate placement of the preform block 33. In the present embodiment, since at least one of the bottom of the lateral end of the first slider 2 and the side wall of the first track groove 7 is provided with a frosted surface, there is a large friction between the first slider 2 and the first track groove 7 when moving in the two. When the first electric push rod 3 stops extending, the large friction force between the first sliding block 2 and the first track groove 7 can effectively restrain the moving inertia of the precast block 33 and the first sliding block 2, so that the precast block 33 and the first sliding block 2 are static and stable as soon as possible.

In a preferred embodiment of the above embodiment, the bottom of the first sliding block 2 extends out of the bottom side of the first sliding rail 1, so as to facilitate the direct connection between the second sliding rail 4 and the bottom of the first sliding block 2, and keep a certain distance between the second sliding rail 4 and the first sliding rail 1. And the horizontal both sides of the bottom of first slider 2 and have the interval between first slide rail 1 to avoid first slider 2 card to die between two first slide rails 1.

As shown in fig. 1 to 4, in some embodiments, the opposite inner sides of the two second slide rails 4 are provided with second rail grooves 8; both longitudinal ends of the second slider 5 are respectively installed in the two second rail grooves 8. The bottom of the longitudinal end of the second slider 5 is in contact with the side wall of the second rail groove 8, and the bottom of the longitudinal end of the second slider 5 and/or the side wall of the second rail groove 8 is provided with a frosted surface.

In the present embodiment, the openings of the two second rail grooves 8 are opposite, and the bottom wall of the second rail groove 8 is vertical, and the two side walls are vertically opposite. The width of the second track groove 8 (i.e., the interval between the two side walls) is greater than the thickness of the second slider 5. The longitudinal ends of the second slider 5 are movably inserted into the two second track grooves 8, and the second slider 5 moves on the lower side wall of the second track groove 8. The two ends of the second track can be provided with baffles for limiting the second sliding block 5 to slide down. Preferably, the second slide rail 4 may be made of channel steel or i-steel.

In this embodiment, at least one of the bottom of the longitudinal end of the second sliding block 5 and the side wall of the second track groove 8 is provided with a frosted surface, so that when the second sliding block 5 moves in the second track groove 8, there is a large friction force between the two, and the friction force can effectively suppress the moving inertia of the precast block 33 and the second sliding block 5, so that the precast block 33 and the second sliding block 5 are stationary and stable as soon as possible.

In a preferred embodiment of the above embodiment, the bottom of the second sliding block 5 extends out of the bottom side of the second sliding rail 4, so as to facilitate the direct connection between the rotating cylinder 12 and the bottom of the second sliding block 5, and keep a certain distance between the rotating cylinder 12 and the second sliding rail 4. And the longitudinal two sides of the bottom of the second sliding block 5 are spaced from the two second sliding rails 4, so that the second sliding block 5 is prevented from being clamped between the two second sliding rails 4.

As shown in fig. 1, in some embodiments, a connecting bar 9 (i.e., a bar-shaped connecting member) is connected between the two first sliding rails 1, one end of the first electric push rod 3 is hinged to the connecting bar 9, and the other end of the first electric push rod 3 is hinged to the first sliding block 2.

In this embodiment, the connecting strip 9 can connect the two first slide rails 1, so that a stable distance is maintained between the two first slide rails 1, and the two first slide rails 1 are also prevented from shaking. The main body section of the first electric push rod 3 can be hinged with the connecting strip 9, and the telescopic section of the first electric push rod 3 can be hinged with the first sliding block 2. When the first electric push rod 3 extends or shortens, the first sliding block 2 moves forwards or backwards relative to the connecting strip 9, so that the hoisting frame is driven to move.

In a preferred embodiment of the above embodiment, the bottom of the connecting bar 9 is provided with a pair of laterally spaced lugs, which are provided with pin holes; the tail end of the main body section of the first electric push rod 3 is provided with a hinge block, and the hinge block is provided with a pin hole; the hinge block is positioned between the two ear plates and is hinged with the ear plates through a pin shaft.

As shown in fig. 1 to 4, in some embodiments, a first mounting groove 10 is provided between the first sliding blocks 2, and the length of the first mounting groove 10 extends in the longitudinal direction; first electric putter 3 installs in first mounting groove 10, and first electric putter 3's one end is articulated with connecting strip 9, and first electric putter 3's the other end is articulated with the lateral wall of first mounting groove 10.

In the present embodiment, the first mounting groove 10 is located below the connection bar 9. The first electric push rod 3 is arranged in the first mounting groove 10; that is, the first electric putter 3 is installed in a longitudinal direction. When the first electric push rod 3 extends, the first slide block 2 can be driven to move forwards along the longitudinal direction. The first electric putter 3 is received in the first mounting groove 10, simplifying the longitudinal movement structure and reducing the weight of the longitudinal movement structure.

As shown in fig. 1 to 4, in some embodiments, a second mounting groove 11 is provided between the second sliding blocks 5, and the length of the second mounting groove 11 extends in the transverse direction; the second electric push rod 6 is arranged in the second mounting groove 11, one end of the second electric push rod 6 is hinged with the bottom of the first sliding block 2, and the other end of the second electric push rod 6 is hinged with the side wall of the second mounting groove 11.

In the present embodiment, the second installation groove 11 is located below the first installation groove 10. The second electric push rod 6 is arranged in the second mounting groove 11; that is, the second electric putter 6 is installed in a lateral direction. When the first electric push rod 3 extends, the first slide block 2 can be driven to move leftwards or rightwards along the transverse direction.

In the present embodiment, the second electric push rod 6 is received in the second mounting groove 11, so that the second slide rail 4 can be directly connected with the first slide block 2, and the distance between the first slide block 2 and the second slide block 5 is also shortened. Namely, the traverse structure is more simplified. And first slider 2 intensity is great, and is more stable after the atress, so second electric putter 6 is connected with first slider 2 and can make second electric putter 6's operating condition more stable. On the contrary, if the connecting members are disposed on the two second slide rails 4, the connecting members are limited by the narrow space between the first slide block 2 and the second slide block 5, and the thickness of the connecting members is inevitably small, so that the stress is poor. If the second electric push rod 6 is hinged to the link, the link is more easily deformed. Similar to the above preferred embodiment, the bottom of the first sliding block 2 may be provided with a pair of longitudinally spaced lugs, and the end of the main body section of the second electric push rod 6 is provided with a hinge block, which is located between the two lugs and is pin-connected with the lugs.

In some embodiments, the lifting device further comprises a swivel structure located below the traversing structure, as shown in figure 5. The rotating structure comprises a rotating cylinder 12, the top of the rotating cylinder 12 is connected to the bottom of the second sliding block 5, and the bottom of the rotating cylinder 12 is rotatably connected with a bearing part 13. The side of the drum 12 is connected to a carrier 13 by a third electric ram 14. The bearing part 13 is used for connecting a hoisting object.

In this embodiment, when the third electric pushing rod 14 extends or shortens, the supporting member 13 can be driven to horizontally rotate by a certain angle, so that the supporting member 13 can drive the prefabricated section 33 to rotate by a certain angle, thereby implementing accurate alignment installation of the prefabricated section 33.

In the present embodiment, the drum 12 is a cylindrical structure, i.e., the drum 12 includes a bottom wall and a side wall that is curled cylindrically. The cylindrical structure can reduce the weight of the drum 12. Of course, multiple stiffeners may be provided within the bowl 12 to strengthen the internal structure. The top of the drum 12 may be provided with a flange to facilitate connection with the second slide 5.

In this embodiment, the top of the rotating cylinder 12 can be connected to the bottom of the second slider 5 by bolts or rivets, or can be welded to the bottom of the second slider 5. There are various types of rotational connections between the drum 12 and the support member 13. For example, the bottom of the drum 12 can be pivotally connected to the hoist frame by a pin. For another example, a rotating member is provided at the bottom of the drum 12, one end of the rotating member is connected to the bottom of the drum 12, the other end is cylindrical, and the diameter of the cylindrical end is larger than the diameter of the other portion; the top of hoisting frame is equipped with the recess, and this recess is used for the adaptation to rotate the piece for hoisting frame can rotate through the cooperation that rotates piece and recess. As another example, the bottom of the drum 12 and the top of the sling rack are connected by a pivoting support.

In this embodiment, the bearing member 13 may be a frame structure, a solid plate, or a rod structure. As long as the prefabricated section 33 can be driven to rotate, the bearing part 13 with any structure is considered in the scope of the present invention. Precast block 33 may be connected to load bearing member 13 by a steel frame or a lifting rope.

In this embodiment, the prefabricated section 33 is connected with the second sliding block 5 through the bearing part 13, and the bearing part 13 can connect the prefabricated section 33 through some connecting devices. For example, a plurality of arc-shaped lifting lugs are provided at the bottom of the bearing member 13, and a lifting rope of the precast block 33 is hung and pulled by the lifting lugs. For another example, a lifting hook is provided at the bottom of the first support member 13, and a rope from which the precast block 33 is hung by the lifting hook. For another example, a plurality of pairs of L-shaped steel bar hooks are provided at the bottom of the bearing member 13, and the prefabricated block 33 may be placed at the bent section of the L-shaped steel bar hooks.

In some embodiments, as shown in fig. 5, the side of the drum 12 is provided with an outwardly extending plate 16, and the extending plate 16 is connected to the load-bearing member 13 by a third electric push rod 14. For example, the main body section of the third electric push rod 14 is hinged with the top of the bearing part 13, and the telescopic section of the third electric push rod 14 is hinged with the top of the extension plate 16.

Similar to the above preferred embodiment, the top of the extension plate 16 may be provided with a pair of spaced-apart ear plates, and the end of the main body section of the second electric putter 6 is provided with a hinge block which is located between the pair of ear plates and pin-connected with the ear plates; the top of the bearing member 13 may also be provided with a pair of spaced lugs between which the end of the telescopic section of the second power strut 6 is located and to which the lugs are pinned.

As shown in fig. 5, in some embodiments, the drum 12 is further provided with an accommodating groove 15 with an upward opening, the length of the accommodating groove 15 extends in the transverse direction, and the accommodating groove 15 is located below the second mounting groove 11; the second mounting groove 11 penetrates the second slider 5.

In this embodiment, the side walls of receiving groove 15 are perpendicular to the bottom wall of drum 12, and the bottom wall of drum 12 also serves as the bottom wall of receiving groove 15 (i.e., the middle portion of the side walls of receiving groove 15). The receiving groove 15 is located directly below the second mounting groove 11, i.e., the length of the receiving groove 15 extends in the lateral direction. In order to prevent the motor of the second power push rod 6 from being in frictional contact with the first slider 2, a motor portion needs to be accommodated in the lower portion of the second mounting groove 11. However, the second slider 5 may be thin, the depth of the second mounting groove 11 is insufficient, the telescopic section of the second electric putter 6 may be received in the second mounting groove 11, and the motor portion of the main body section may not be received in the second mounting groove 11. The second mounting groove 11 penetrates the second slider 5, and the motor portion of the main body section may protrude from the bottom of the second mounting groove 11 and protrude into the receiving groove 15. In fact, since a plurality of reinforcing ribs are arranged in the rotary drum 12, the accommodating groove 15 can be used as an avoiding structure for all the reinforcing ribs, i.e. the reinforcing ribs are prevented from contacting the motor part. Of course, the side wall of the receiving tank 15 may be a reinforcing rib plate, and a reinforcing rib plate may be disposed between the side wall of the receiving tank 15 and the side wall of the drum 12.

As shown in fig. 1, in some embodiments, the lifting device further comprises a erector structure, the erector structure being located between the longitudinally moving structure and the vehicle body. The vertical moving structure comprises a rectangular fixing frame 17, and the fixing frame 17 is connected with the vehicle body 32. The fixed frame 17 comprises two third slide rails 18 arranged at intervals in the transverse direction and two cross beams arranged at intervals in the vertical direction. The inner sides of the two third slide rails 18 are provided with third rail grooves extending vertically. The two transverse ends of the third sliding block are movably inserted into the third track grooves of the two third sliding tracks 18. The first slide rail 1 is connected to the third slide block. The rotating shaft is rotatably connected to the inner sides of the two third sliding rails 18, and the transverse shaft is located above the third sliding block. The rotating shaft is provided with a chain wheel. And a vertically installed jacking hydraulic cylinder is arranged on the cross beam below the lifting hydraulic cylinder. A telescopic rod of the jacking hydraulic cylinder is connected with the top of the third sliding block through a chain so as to drive the third sliding block to move along the third track groove; and the chain is connected with the sprocket.

In this embodiment, when the telescopic rod of the jacking hydraulic cylinder shortens, the third slider can be pulled to move upwards, and the third slider drives the first slide rail 1 to move upwards, so as to adjust the height of the precast block 33. When the telescopic rod of the jacking hydraulic cylinder extends, the third sliding block can move downwards, and the third sliding block drives the first sliding rail 1 to move downwards, so that the prefabricated block 33 is arranged below.

In this embodiment, the number of the jacking hydraulic cylinders may be two or more; of course, the number of sprockets and chains corresponds to the number of jacking cylinders. Preferably, the cylinder body of the jacking hydraulic cylinder is hinged with the cross beam below the cylinder body, so that the angle change of the jacking hydraulic cylinder in the working process is facilitated. Of course, the jacking pneumatic cylinder is the common pneumatic cylinder in this field, the utility model discloses also no longer describe its structure.

In this embodiment, the first slide rail 1 may be welded to the third slider, or may be connected to the third slider through a reinforcing rib. A plurality of rollers can be arranged at the two transverse ends of the third sliding block so as to reduce the friction force during movement.

In some other embodiments, the rotating shaft may be fixedly connected to the inner sides of the two third sliding rails 18, the sprocket is sleeved on the rotating shaft, and a bearing is disposed between the sprocket and the rotating shaft.

As shown in fig. 1, in some embodiments, the front portion of the vehicle body 32 is provided with two laterally spaced apart push-pull hydraulic cylinders 19, and the push-pull hydraulic cylinders 19 can be longitudinally extended or shortened; the telescopic rods of the two push-pull hydraulic cylinders 19 are respectively connected with the longitudinal rear parts of the two third slide rails 18.

In the present embodiment, the distance between the vertically-moving structure and the vehicle body 32 can be controlled by the longitudinal extension or contraction of the push-pull hydraulic cylinder 19, thereby controlling the position of the precast block 33. Of course, the push-pull hydraulic cylinder 19 is also a common hydraulic cylinder in the field, and the structure of the present invention is not described in detail.

As shown in fig. 1 to 2, in some embodiments, the longitudinally moving structure further includes a connecting plate 22, one side of the connecting plate 22 is connected to one end of the two first sliding rails 1, the other side of the connecting plate 22 is connected to one end of a clamping plate 23, the clamping plate 23 is L-shaped, and the other end of the clamping plate 23 extends downward. The upper part of the third slide block is provided with a hanging plate 21. The peg 21 extends vertically and the peg 21 is located at the longitudinal front side of the mount 17 and the chain. The connecting plate 22 is hung on the top of the hanging plate 21 through a clamping plate 23.

In this embodiment, the connecting plate 22 may be a flat plate, and the chucking plate 23 may be L-shaped. One end of the catch plate 23 is connected to the other side (e.g., the back side) of the connecting plate 22, and the other end of the catch plate 23 extends downward, so that a U-shaped groove with a downward opening is formed between the catch plate 23 and the connecting plate 22, so that the connecting plate 22 can be hung on the top of the catch plate 21. Of course, the other side of the connecting plate 22 may be provided with a plurality of clamping plates 23; correspondingly, the link plate 21 one side of connecting plate 22 dorsad can set up a plurality of spacing baffles, and every cardboard 23 is located between two adjacent spacing baffles promptly, prevents that connecting plate 22 from removing and even coming off.

In some other embodiments, a reinforcing rib plate may also be disposed between the first slide rail 1 and the connecting plate 22; the connecting plate 22 may be fixed to the third slider or the hanging plate 21 by a bolt.

As shown in fig. 5-6, in some embodiments the lifting device further comprises a plurality of spreaders, which are located below the load bearing member 13. The lifting appliance comprises a top rod 29, a connecting sleeve 30, a bottom rod 31, a connecting claw 25 and a pin; nuts are arranged at the top end and the bottom end of the connecting sleeve 30, the bottom end of the ejector rod 29 is in threaded connection with the nut at the top end of the connecting sleeve 30, the top end of the ejector rod 29 is connected with the bottom of the lifting appliance, the top end of the bottom rod 31 is in threaded connection with the nut at the bottom end of the connecting sleeve 30, the bottom end of the bottom rod 31 is connected with the top of the connecting claw 25, and the middle section of the connecting sleeve 30 is provided with a jack 24 which radially penetrates through the connecting sleeve 30; the connecting claw 25 is provided with a U shape, two ends of the connecting claw 25 extend back to the bottom rod 31, two ends of the connecting claw 25 are provided with through holes 26 with opposite positions, and the pin can be inserted into the two through holes 26 of the connecting claw 25.

In this embodiment, prefabricated section 33 is last to be equipped with the vertical extension's of polylith vertical extension riser, has the perforation of horizontal extension on the riser. When the vertical plate is placed in the corresponding connecting claw 25, the through hole 26 is aligned with the through hole, and a pin is inserted into the through hole and the two through holes 26, so that the precast block 33 can be connected with the connecting claw 25. When the precast block 33 is transported backwards, the precast block 33 is firmly connected with the connecting claw 25 and cannot fall off from the connecting claw 25; and the bottom side of prefabricated section 33 does not have the accessory of lifting device, and prefabricated section 33 can be directly in the accurate position that drops of preset position.

In the present embodiment, the top rod 29 and the bottom rod 31 are both screwed with the coupling sleeve 30, and when a steel bar or a screwdriver is inserted into the insertion hole 24 and the coupling sleeve 30 is rotated by applying force, the distance between the top rod 29 and the bottom rod 31 is increased or decreased. If precast block 33 is connected with connecting claw 25, precast block 33 can be adjusted to horizontal posture by adjusting the distance between top rod 29 and bottom rod 31, which is helpful for accurate placement of precast block 33.

Of course, each riser on precast block 33 may have a different size, so the size of each connection claw 25 may also be different.

As shown in fig. 7, in some embodiments, each spreader includes two connecting claws 25 and two pins; the middle parts of the two connecting claws 25 are connected through a transverse rod 20 extending transversely, and the top end of the bottom rod 31 is connected with the middle part of the transverse rod 20; two pins can be inserted into the through holes 26 of the two connecting claws 25.

In this embodiment, each bottom rod 31 connects two connecting claws 25 through the cross rod 20, so that the connecting position of the precast block 33 and the lifting appliance can be increased, and the stress of each pin can be relieved.

In some embodiments, as shown in fig. 6, the top end of the top bar 29 is hinged to the bottom of the bearing member 13 to allow the top bar 29 to swing laterally.

In this embodiment, there may be an error between the actual spacing of two adjacent perforations on the same riser and the standard spacing for manufacturing reasons. The ejector 29 is laterally swingable, so that the position of the connecting claw 25 can be adjusted to facilitate the alignment of the through-hole 26 with the through-hole. In addition, since the precast block 33 is usually disposed at the edge of the bridge, the precast block 33 may swing longitudinally due to inertia during the adjustment of the longitudinal position, and the edge of the precast block 33 may possibly exceed the edge of the bridge. To suppress the longitudinal swing of the precast block 33, only the lateral swing of the jack 29 is allowed.

In a preferred embodiment of the above embodiment, the base of the bearing member 13 is provided with a plurality of pairs of lugs corresponding to the number of the carrier rods 29, each pair of lugs being longitudinally spaced apart and provided with pin holes. The top end of the ejector rod 29 is positioned between the corresponding pair of ear plates, the top end of the ejector rod 29 is provided with a pin hole, and the top end of the ejector rod 29 is hinged with the ear plates through a pin shaft.

As shown in fig. 6, in some embodiments, the bearing member 13 includes a rectangular outer frame 27 and a cross-shaped connecting frame 28, the cross-shaped connecting frame 28 is located in the rectangular outer frame 27, four ends of the cross-shaped connecting frame 28 are respectively connected with four frame edges of the rectangular outer frame 27, and four lifting devices are respectively hinged at right angles to the rectangular outer frame 27.

In this embodiment, the pin shaft penetrates through the center of the bottom wall of the rotating cylinder 12 and the center of the cross-shaped connecting frame 28, so that the rotating cylinder 12 is rotatably connected with the hoisting frame. The weight of the whole hoisting equipment can be reduced by arranging the bearing part 13 as a frame structure.

It is noted that, in this document, 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.

The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. A hoisting device for hoisting precast blocks of bridge deck auxiliary facilities is characterized by comprising a bearing part (13) and a plurality of hoists, wherein the hoists are positioned below the bearing part (13);

the lifting appliance comprises a top rod (29), a connecting sleeve (30), a bottom rod (31), a connecting claw (25) and a pin; nuts are arranged at the top end and the bottom end of the connecting sleeve (30), the bottom end of the ejector rod (29) is in threaded connection with the nut at the top end of the connecting sleeve (30), the top end of the ejector rod (29) is connected with the bottom of the lifting appliance, the top end of the bottom rod (31) is in threaded connection with the nut at the bottom end of the connecting sleeve (30), the bottom end of the bottom rod (31) is connected with the top of the connecting claw (25), and a jack which radially penetrates through the connecting sleeve (30) is arranged at the middle section of the connecting sleeve (30); connect claw (25) and set up to the U-shaped, the both ends of connecting claw (25) all dorsad the sill bar (31) extend, the both ends of connecting claw (25) are equipped with relative through-hole in position (26), the pin can insert in two through-holes (26) of connecting claw (25).

2. Hoisting device for hoisting precast blocks of deck auxiliary facilities according to claim 1 characterized in that each of said spreaders comprises two of said connecting claws (25) and two pins; the middle parts of the two connecting claws (25) are connected through a transverse rod (20) extending transversely, and the top end of the bottom rod (31) is connected with the middle section of the transverse rod (20); the two pins can be correspondingly inserted into the through holes (26) of the two connecting claws (25).

3. Hoisting device for hoisting bridge deck auxiliary facility precast blocks according to claim 1 characterized in that the top end of the jacking rod (29) is hinged with the bottom of the bearing member (13) to enable the lateral oscillation of the jacking rod (29).

4. The hoisting equipment for hoisting the precast block of the bridge deck auxiliary facility according to claim 1, wherein the bearing member (13) comprises a rectangular outer frame (27) and a cross-shaped connecting frame (28), the cross-shaped connecting frame (28) is positioned in the rectangular outer frame (27), four ends of the cross-shaped connecting frame (28) are correspondingly connected with four frame edges of the rectangular outer frame (27) respectively, and four lifting appliances are hinged at right-angle parts of the rectangular outer frame (27) respectively.

5. Hoisting device for hoisting precast blocks of deck auxiliary facilities according to claim 1, characterized by further comprising a longitudinal displacement structure located above the bearing member (13);

the longitudinal moving structure comprises a pair of transversely spaced first sliding rails (1), and a first sliding block (2) is mounted between the two first sliding rails (1) in a sliding manner; the bearing part (13) is connected with the bottom of the first sliding block (2); the first sliding block (2) is connected with the first sliding rail (1) through a first electric push rod (3).

6. The hoisting device for hoisting the precast block of the bridge deck auxiliary facility as recited in claim 5, further comprising a traverse structure, the traverse structure being located below the longitudinal structure;

the traverse structure comprises a pair of longitudinally spaced second slide rails (4), and the second slide rails (4) are connected to the bottom of the first sliding block (2); a second sliding block (5) is slidably mounted between the two second sliding rails (4), and the bearing part (13) is connected with the bottom of the second sliding block (5); the second sliding block (5) is connected with the first sliding block (2) through a second electric push rod (6).

7. The hoisting device for hoisting the precast block of the bridge deck auxiliary facility according to claim 6, further comprising a rotating structure located below the traverse structure;

the rotating structure comprises a rotating drum (12), the top of the rotating drum (12) is connected with the bottom of the second sliding block (5), the bottom of the rotating drum (12) is rotatably connected with the bearing part (13), and the side part of the rotating drum (12) is connected with the bearing part (13) through a third electric push rod (14).

8. Hoisting device for hoisting bridge deck appurtenance precast blocks according to claim 7, characterized in that the side of the drum (12) is provided with an outwardly extending extension plate (16), which extension plate (16) is connected with the load bearing member (13) by means of a third electric push rod (14).

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