CN111646355A

CN111646355A - Correctable lifting appliance for segmental beam

Info

Publication number: CN111646355A
Application number: CN202010328582.1A
Authority: CN
Inventors: 陈胜旺; 吴海香; 夏雷; 戴东利; 闫嵩; 孙星; 黄晶晶
Original assignee: China Railway 16th Bureau Group Co Ltd
Current assignee: China Railway 16th Bureau Group Co Ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-09-11
Anticipated expiration: 2040-04-23
Also published as: CN111646355B

Abstract

The invention discloses a correctable lifting appliance for a segmental beam, relates to the technical field of segmental beam construction, and mainly aims to solve the problem that the segmental beam is inconvenient to adjust due to the fact that a fixed lifting appliance is adopted; this hoist, including a plurality of crossbeam poles that parallel and a plurality of spiral jib that are located the crossbeam pole tip, through two connecting rod spare fixed connection between every two adjacent crossbeam poles, every equal hollow structure of crossbeam pole and crossbeam pole both ends all are provided with the horizontal bracing piece, and two horizontal bracing pieces all insert its inside and slide with it inner wall through crossbeam pole port and be connected, the spiral jib is fixed on lantern ring diapire and the spiral jib goes up the cover and is equipped with spiral complex installation swivel nut with it, still be provided with the straining subassembly that can slide on it on the horizontal bracing piece, every the tip of horizontal bracing piece all is fixed with the lug. The adjustable section beam mounting structure is simple in structure, capable of adapting to different widths of section beams and different positions of mounting holes, firm and stable in mounting, fast and convenient to adjust and high in practicability.

Description

Correctable lifting appliance for segmental beam

Technical Field

The invention relates to the technical field of construction of sectional beams, in particular to a correctable lifting appliance for a sectional beam.

Background

The lifting appliance is a device for lifting and taking heavy objects in lifting machinery, the most common lifting appliances for lifting and taking finished objects are lifting hooks and lifting straps, and other lifting rings, lifting suckers, clamps, forks and the like are also used, and the lifting appliance is widely applied to the lifting and taking industry.

With the improvement of the technological level and the construction process of bridge engineering, the construction of bridge engineering is rapidly developed, more and more bridges are built, the bridges are mostly constructed by adopting a segment assembling method, the segment assembling technology is a construction technology for assembling the bridges by loading and transporting segments to a site for systematic and automatic production in a prefabricating factory and applying prestress to assemble the bridges. After the segmental beam is transported to a construction site by an automobile, the segmental beam needs to be hoisted in place on site, the existing lifting appliance is fixed, the width and other adjustments cannot be performed, the mounting hole in the segmental beam cannot be completely used, and the lifting appliance and the segmental beam are not firmly mounted.

Disclosure of Invention

The invention aims to provide a correctable lifting appliance for a segmental beam, which aims to solve the problem that the segmental beam is inconvenient to adjust due to the fact that a fixed lifting appliance is adopted.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a correctable hoist for segmental beam, includes a plurality of crossbeam poles that parallel and a plurality of spiral jib that are located crossbeam pole tip, through two connecting rod spare fixed connection between every two adjacent crossbeam poles, every equal hollow structure of crossbeam pole and crossbeam pole both ends all are provided with the cross support pole, and two cross support poles all insert its inside and slide with it inner wall through crossbeam pole port and be connected, still be provided with the fixing bolt who is used for fixed cross support pole and crossbeam pole on the crossbeam pole tip roof, the cover is equipped with gliding lantern ring above that on the connecting rod spare, the spiral jib is fixed and is equipped with spiral complex installation swivel nut with it on the lantern ring diapire and the spiral jib, still be provided with the straining subassembly that can slide above that on the cross support pole, every the tip of cross support pole all is fixed with the lug.

On the basis of the technical scheme, the invention also provides the following optional technical scheme:

in one alternative: the straining subassembly is including detaining the cover and setting up the regulating unit on the cross support pole, detain the cover bottom and be provided with spiral complex clamping screw with it, the clamp backing plate is installed at clamping screw top, the regulating unit is perforated including seting up the bar on the cross support pole, the bar is provided with adjusting screw in the perforation, and the last cover of adjusting screw is equipped with matched with regulation swivel nut with it, detain the cover and fix the downside at the regulation swivel nut, the cooperation of sliding is injectd with the perforation inner wall of bar to regulation swivel nut avris.

In one alternative: and a fixing screw for fixing the lantern ring and the transverse supporting rod is arranged at the upper top of the lantern ring.

In one alternative: the two inner walls of the strip-shaped through hole are provided with guide ribs, and the end side of the adjusting screw sleeve is glidingly buckled on the guide ribs.

In one alternative: and one end of the adjusting screw is provided with a screwing hand wheel.

In one alternative: the connecting rod piece comprises a telescopic sleeve and a telescopic guide rod, the end parts of the telescopic sleeve and the telescopic guide rod, which are far away from each other, are respectively fixed on the rod walls of the two cross beams, and the telescopic guide rod extends into the telescopic sleeve and is connected with the inner wall of the telescopic sleeve in a sliding manner.

In one alternative: every crossbeam pole bottom all is provided with damper assembly, damper assembly is including propping clamp plate and damping spring, it passes through damping spring and connects on crossbeam pole bottom pole wall to prop clamp plate both ends.

Compared with the prior art, the invention has the following beneficial effects:

1. the device utilizes the transverse support rod to stretch out and draw back in the transverse beam rod and the lantern ring to slide on the transverse support rod to adjust the transverse position of the spiral suspender so as to adapt to the width of the sectional beam and has convenient and quick operation;

2. the device can adjust the position of the buckle sleeve and fasten the side of the section beam by using the adjusting unit, so that the firmness of the connection between the section beam and the lifting appliance is further enhanced;

3. the adjustable section beam mounting structure is simple in structure, capable of adapting to different widths of section beams and different positions of mounting holes, firm and stable in mounting, fast and convenient to adjust and high in practicability.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic structural view of the transverse supporting rod 3 according to the present invention.

Notations for reference numerals: the device comprises a beam rod 1, a connecting rod 2, a transverse supporting rod 3, a fixing bolt 4, a lifting lug 5, a strip-shaped through hole 6, an adjusting screw rod 7, an adjusting threaded sleeve 8, a screwing hand wheel 9, a lantern ring 10, a spiral hanging rod 11, an installation threaded sleeve 12, a buckle sleeve 13, a clamping screw rod 14, a clamping cushion plate 15, a pressing plate 16, a damping spring 17, an expansion sleeve 18, an expansion guide rod 19, a guide rib 20 and a fixing screw 21.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.

Example 1

Referring to fig. 1 to 3, in the embodiment of the present invention, an adjustable lifting device for a segmental beam includes a plurality of parallel beam rods 1 and a plurality of spiral suspension rods 11 located at the ends of the beam rods 1, each two adjacent beam rods 1 are fixedly connected by two connection rod members 2, each beam rod 1 is of a hollow structure, the two ends of each beam rod 1 are respectively provided with a transverse support rod 3, the two transverse support rods 3 are respectively inserted into the transverse support rod 1 through the end ports of the beam rod 1 and slidably connected with the inner wall of the transverse support rod, the top wall of the end portion of each beam rod 1 is further provided with a fixing bolt 4 for fixing the transverse support rod 3 and the beam rod 1, the connection rod member 2 is sleeved with a lantern ring 10 sliding thereon, the top of the lantern ring 10 is provided with a fixing screw 21 for fixing the lantern ring 10 and the transverse support rod 3, the spiral suspension rods 11 are fixed on the bottom wall of the lantern ring 10, and the spiral suspension rods 11 are sleeved with mounting threaded sleeves, the transverse supporting rod 3 is also provided with a fastening component which can slide on the transverse supporting rod, the fastening component comprises a buckle sleeve 13 and an adjusting unit arranged on the transverse supporting rod 3, the bottom end of the buckle sleeve 13 is provided with a clamping screw 14 which is spirally matched with the buckle sleeve, the top of the clamping screw 14 is provided with a clamping backing plate 15, the adjusting unit comprises a strip-shaped through hole 6 arranged on the transverse supporting rod 3, an adjusting screw 7 is arranged in the strip-shaped through hole 6, an adjusting screw sleeve 8 matched with the adjusting screw 7 is sleeved on the adjusting screw 7, the buckle sleeve 13 is fixed at the lower side of the adjusting screw sleeve 8, one end of the adjusting screw 7 is provided with a screwing hand wheel 9, the edge side of the adjusting screw sleeve 8 is limited and matched with the inner wall of the strip-shaped through hole 6 in a sliding way, specifically, guide convex ribs 20 are arranged on the two inner walls of the strip-shaped through hole 6, the end side of the adjusting screw sleeve 8 is slidably buckled on the guide convex ribs 20, and a lifting lug 5 is fixed at the end part of each transverse supporting rod 3;

when in use, a plurality of connected cross beams 1 are placed on a section beam, then the cross support rods 3 are pulled out from the inside of the fixing bolts 4 and are fastened by the fixing bolts 4, the spiral suspension rods 11 on the cross support rods are aligned with the mounting holes on the section beam, the spiral suspension rods 11 penetrate through the mounting holes and are fixedly mounted on the section beam through the mounting screw sleeves 12 on the spiral suspension rods, the cross support rods 3 can be pulled out from the fixing bolts 4 and can adapt to different widths of the section beam, and the cross support rods are buckled at the side of the section beam by the buckling sleeves 13 and are fastened by the clamping screw rods 14, so that the mounting tightness of the hanger on the section beam can be improved;

the connecting rod 2 comprises a telescopic sleeve 18 and a telescopic guide rod 19, the end parts of the telescopic sleeve 18 and the telescopic guide rod 19 which are far away are respectively fixed on the rod walls of the two beam rods 1, and the telescopic guide rod 19 extends into the telescopic sleeve 18 and is connected with the inner wall in a sliding manner; while the telescopic guide rods 19 telescopically adjust the length of the connecting rods 2 inside the telescopic sleeves 18 so that the spreader can accommodate different lengths of the entire section beam.

Example 2

The embodiment of the invention is different from the embodiment 1 in that: every 1 bottom of crossbeam pole all is provided with damper assembly, damper assembly is including supporting clamp plate 16 and damping spring 17, support clamp plate 16 both ends and pass through damping spring 17 to be connected on 1 bottom pole wall of crossbeam pole, damper assembly's setting can extrude at the curved arc district in section roof beam top and tighten up and avoid section roof beam wearing and tearing.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. A correctable lifting appliance for a segmental beam comprises a plurality of parallel beam rods (1) and a plurality of spiral lifting rods (11) positioned at the end parts of the beam rods (1), wherein every two adjacent beam rods (1) are fixedly connected through two connecting rod pieces (2), the lifting appliance is characterized in that each beam rod (1) is of a hollow structure, the two ends of each beam rod (1) are respectively provided with a beam support rod (3), the two beam support rods (3) are respectively inserted into the lifting appliance through the ports of the beam rods (1) and are connected with the inner wall of the beam rods in a sliding manner, the top wall of the end part of each beam rod (1) is also provided with a fixing bolt (4) for fixing the beam support rods (3) and the beam rods (1), the connecting rod pieces (2) are sleeved with a sliding lantern ring (10), the spiral lifting rods (11) are fixed on the bottom wall of the lantern ring (10), and the spiral lifting rods (11) are sleeved with mounting turnbuckles (12) in spiral fit with the spiral lifting rods, the transverse supporting rods (3) are also provided with fastening components capable of sliding on the transverse supporting rods, and lifting lugs (5) are fixed at the end parts of the transverse supporting rods (3).

2. A correctable lifting appliance according to claim 1, wherein the fastening assembly comprises a fastening sleeve (13) and an adjusting unit arranged on the transverse supporting rod (3), a clamping screw (14) in screw fit with the fastening sleeve (13) is arranged at the bottom end of the fastening sleeve (13), a clamping base plate (15) is mounted at the top of the clamping screw (14), the adjusting unit comprises a strip-shaped through hole (6) formed in the transverse supporting rod (3), an adjusting screw (7) is arranged in the strip-shaped through hole (6), an adjusting screw sleeve (8) matched with the adjusting screw sleeve is sleeved on the adjusting screw (7), the fastening sleeve (13) is fixed at the lower side of the adjusting screw sleeve (8), and the side of the adjusting screw sleeve (8) is limited in sliding fit with the inner wall of the strip-shaped through hole (6).

3. Correctable spreader for segmental beams according to claim 2, characterized in that the collar (10) is provided with fixing screws (21) at the top to fix the collar (10) and the cross support bar (3).

4. Correctable spreader for segmental beams according to claim 2, characterised in that the strip-shaped through-hole (6) is provided on both inner walls with guide ribs (20), the adjusting screw sleeve (8) sliding on the guide ribs (20) at the end side.

5. Correctable spreader for segmental beams according to claim 1, characterized in that one end of the adjusting screw (7) is provided with a screwing hand wheel (9).

6. Correctable spreader for segmental beams according to claim 1, characterised in that the connecting links (2) comprise telescopic sleeves (18) and telescopic guide rods (19), the ends of the telescopic sleeves (18) and telescopic guide rods (19) remote from each other being fixed to the walls of the two transverse beams (1), respectively, the telescopic guide rods (19) extending into the telescopic sleeves (18) and being connected with the inner walls thereof in a sliding manner.

7. The correctable spreader for segmental beams according to any one of claims 1 to 6, wherein the bottom of each beam rod (1) is provided with a damping assembly, the damping assembly comprises a pressure plate (16) and a damping spring (17), and two ends of the pressure plate (16) are connected to the wall of the bottom rod of the beam rod (1) through the damping spring (17).