Hoisting device for civil construction

Abstract

The utility model relates to the technical field of building construction hoisting, in particular to a hoisting device for civil building construction, which comprises two U-shaped hoisting blocks, a hoisting arm, a herringbone forked hoisting rope and I-shaped steel, the two U-shaped hoisting blocks are bilaterally symmetrically arranged, rectangular grooves matched with a web of the I-shaped steel are formed in the opposite sides of the two U-shaped hoisting blocks, and the herringbone forked hoisting rope is arranged in the rectangular grooves. The two U-shaped hanging blocks are transversely clamped to the two transverse ends of an I-shaped steel web correspondingly, positioning and clamping assemblies used for clamping and fixing the I-shaped steel web are arranged on the U-shaped hanging blocks, two lifting assemblies used for supporting the inclined face of the bottom end of an I-shaped steel upper wing plate are arranged on the inner sides of the top ends of the U-shaped hanging blocks in a front-back symmetry mode, and the top ends of the U-shaped hanging blocks are fixedly connected with hanging arms. And the two suspension arms are respectively connected with two forked ends at the bottom of the herringbone forked lifting rope. The lifting device provided by the utility model can be used for well fixing the I-shaped steel and can be suitable for the I-shaped steel with different specifications and sizes.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction hoisting, especially to a hoisting device for civil engineering construction. BACKGROUND

[0002] Civil engineering construction refers to the production activities in the implementation stage of engineering construction, is the building process of various buildings, can also be said to be the process of changing various lines on design drawings into real objects at specified locations, and it includes foundation engineering construction, main structure construction, roof engineering construction, decoration engineering construction, etc. In the process of building construction, building materials often need to be hoisted to high places for construction to speed up the construction.

[0003] Modern engineering buildings, highway bridges and municipal construction fields in civil engineering projects use steel structure engineering in large quantities, and I-beams are widely used in such steel structure engineering as the main components of steel structure engineering. In the construction process of steel structure engineering, a large number of I-beams need to be transported and hoisted. The past lifting appliances cannot well adapt to I-beams of different specifications and sizes, and multiple lifting appliances need to be used for hoisting, which increases the operation time and is low in efficiency, and the fixture is not fixed firmly and is poor in safety. SUMMARY

[0004] The utility model aims at providing a hoisting device for civil engineering construction to solve the technical problems in the above background technology.

[0005] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0006] A hoisting device for civil engineering construction comprises U-shaped lifting blocks, lifting arms, herringbone forked lifting ropes and I-beams. Two U-shaped lifting blocks are symmetrically arranged left and right, and the side facing each other of the two U-shaped lifting blocks is provided with a rectangular groove matched with the web of the I-beam. The two U-shaped lifting blocks are respectively horizontally clamped at the transverse two ends of the web of the I-beam. The U-shaped lifting block is provided with a positioning and clamping assembly for clamping and fixing the web of the I-beam. Two lifting assembly are symmetrically arranged on the inner side of the top end of the U-shaped lifting block, and are used for supporting the inclined surface at the bottom end of the upper flange of the I-beam. The U-shaped lifting block is fixedly connected with the lifting arm, and the two lifting arms are respectively connected with the bottom forked ends of the herringbone forked lifting ropes.

[0007] Further, the width of the rectangular groove is greater than the thickness of the web of the I-beam and less than the width of the upper flange or the lower flange.

[0008] Further, the length of the rectangular groove is greater than the distance from the bottom end of the upper flange to the top end of the lower flange of the I-beam.

[0009] Further, the positioning and clamping assembly comprises positioning clamping blocks which are L-shaped and provided with two, and the two positioning clamping blocks are symmetrically arranged at the front and back sides of the top end of the U-shaped hanging block, the U-shaped hanging block is provided with an adjusting mechanism for driving the two positioning clamping blocks to move synchronously towards or away from each other, and the inner end of the positioning clamping block is in pressing contact with the web of the I-beam.

[0010] Further, the adjusting mechanism comprises T-shaped sliding rails, screw rods, bearings, rotating supports, rotating discs and handles, the two T-shaped sliding rails are symmetrically arranged, and the two T-shaped sliding rails are symmetrically arranged at the front and back sides of the top end of the U-shaped hanging block, the two positioning clamping blocks are longitudinally and limitingly and slidingly connected to the two T-shaped sliding rails, the outer end of the positioning clamping block penetrates and is threadedly connected with the screw rod, the screw rods are oppositely arranged on the front and back sides of the screw rod, the upper ends of the two rotating supports are rotatably connected to the two screw rods through the two bearings, the two rotating supports are symmetrically and fixedly connected to the front and back sides of the outer end of the U-shaped hanging block, and the rotating disc is fixedly connected to the front end of the screw rod.

[0011] Further, the positioning clamping block comprises an L-shaped clamping plate and a connecting seat, the connecting seat is fixedly connected to the outer end of the L-shaped clamping plate, a T-shaped sliding groove is formed in the bottom end of the L-shaped clamping plate, the T-shaped sliding groove is longitudinally and slidingly matched with the T-shaped sliding rail, a threaded hole is formed in the connecting seat, and the screw rod penetrates and is threadedly connected with the threaded hole.

[0012] Further, the lifting assembly comprises connecting shafts, connecting supports and a supporting plate, two mounting grooves are symmetrically arranged on the inner side of the top end of the U-shaped hanging block, the connecting shafts, the connecting supports and the supporting plate are all symmetrically arranged, the lower portions of the two connecting supports are rotatably installed in the two mounting grooves through the two transversely arranged connecting shafts, and the top end of the connecting support is fixedly connected with the supporting plate.

[0013] Further, the top end of the supporting plate is fixedly connected with an antiskid pad, and the connecting portions of the supporting plate and the connecting support are provided with a plurality of reinforcing ribs.

[0014] Further, the upper portion of the hanging arm is inwardly and upwardly inclined, a lifting ring hole is formed in the upper end of the hanging arm, a lifting ring is sleeved in the lifting ring hole, and the lifting ring is fixedly connected to one side of the bottom end of the herringbone bifurcated lifting rope.

[0015] Compared with the prior art, the positioning and clamping assembly has the advantages that:

[0016] The two rectangular grooves on the two U-shaped lifting blocks are clamped on the transverse two ends of the I-beam web, so that the end of the rectangular groove close to the lifting arm is in close contact with the end of the I-beam web; then, the two lifting arms are respectively lifted, so that the two supporting plates on the same side are in close contact with the bottom end inclined surface of the upper flange of the I-beam, then the two rotating discs are respectively rotated, so that the two positioning clamping blocks on the same side move towards each other and clamp the front and rear end faces of the I-beam web, then the upper end of the herringbone bifurcated lifting rope is fixed by the lifting equipment, and the I-beam can be lifted; the whole device can well fix the I-beam and can adapt to I-beams of different specifications and sizes. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is a structural schematic diagram of the utility model;

[0018] Fig. 2 is a structural schematic diagram of the right side lifting mechanism in the utility model;

[0019] Fig. 3 is a right side view of the right side lifting mechanism in the utility model;

[0020] Fig. 4 is a longitudinal section view at the connecting support in the utility model.

[0021] The signs in the drawings are: 1-U-shaped lifting block, 101-rectangular groove, 102-mounting groove, 2-lifting arm, 3-T-shaped sliding rail, 4-positioning clamping block, 5-screw rod, 6-bearing, 7-rotating support, 8-rotating disc, 9-handle, 10-connecting shaft, 11-connecting support, 12-supporting plate, 13-anti-skid pad, 14-reinforcing rib, 15-lifting ring, 16-herringbone bifurcated lifting rope, 17-I-beam. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail in combination with the drawings and embodiments.

[0023] Referring to Figs. 1-4 shown, a lifting device for civil construction, including: U-shaped lifting block 1, lifting arm 2, herringbone bifurcated lifting rope 16 and I-beam 17, U-shaped lifting block 1 symmetrical setting has two, two U-shaped lifting blocks 1 side of facing each other all set up with I-beam 17 web cooperation's rectangular groove 101, two U-shaped lifting blocks 1 respectively transverse clamping in I-beam 17 web transverse two ends, U-shaped lifting block 1 on set up for clamping fixed I-beam 17 web's positioning clamping assembly, U-shaped lifting block 1 top end inboard symmetry set up with two for the supporting I-beam 17 upper flange bottom end inclined surface's supporting assembly, U-shaped lifting block 1 top end fixed connection has lifting arm 2, two lifting arms 2 respectively connect herringbone bifurcated lifting rope 16's bottom bifurcated two ends.

[0024] In this embodiment, the width of the rectangular groove 101 is greater than the thickness of the web of the I-beam 17 and less than the width of the upper flange or the lower flange; the length of the rectangular groove 101 is greater than the distance from the bottom end of the upper flange of the I-beam 17 to the top end of the lower flange, further preventing the U-shaped lifting block 1 from slipping off the I-beam 17.

[0025] In this embodiment, the positioning and clamping assembly comprises: a positioning clamp 4, which is L-shaped and provided with two, the two positioning clamps 4 are symmetrically arranged at the front and back of the top end of the U-shaped lifting block 1, the U-shaped lifting block 1 is provided with an adjusting mechanism for driving the two positioning clamps 4 to move synchronously towards or away from each other, and the inner end of the positioning clamp 4 is in pressing contact with the web of the I-beam 17; the adjusting mechanism comprises: a T-shaped sliding rail 3, a screw rod 5, a bearing 6, a rotating support 7, a rotating disc 8 and a handle 9, the T-shaped sliding rail 3 is symmetrically provided with two, the two T-shaped sliding rails 3 are symmetrically arranged at the front and back of the top end of the U-shaped lifting block 1 on the front and back of the lifting arm 2, the two positioning clamps 4 are respectively longitudinally limited and slidably connected on the two T-shaped sliding rails 3, the outer end of the positioning clamp 4 penetrates and is threadedly connected with the screw rod 5, the screw rod 5 is provided with opposite screw grooves on the front and back sides, the screw rod 5 is rotatably connected with the upper ends of the two rotating supports 7 through the two bearings 6 on the front and back ends, the two rotating supports 7 are symmetrically fixedly connected on the front and back sides of the outer end of the U-shaped lifting block 1, the rotating disc 8 is fixedly connected with the handle 9 on the arc-shaped side wall of the rotating disc 8; the positioning clamp 4 comprises: an L-shaped clamp plate and a connecting seat, the connecting seat is fixedly connected on the outer end of the L-shaped clamp plate, the L-shaped clamp plate is provided with a T-shaped sliding groove on the bottom end, the T-shaped sliding groove is longitudinally slidably connected with the T-shaped sliding rail 3, the connecting seat is provided with a threaded hole, the screw rod 5 penetrates and is threadedly connected with the threaded hole, the rotating disc 8 is driven to rotate by rotating the handle 9, and the screw rod 5 is driven to rotate, the screw rod 5 drives the two positioning clamps 4 on the front and back sides to move towards or away from each other, thereby clamping and fixing or releasing the fixing of the web of the I-beam.

[0026] In this embodiment, the lifting assembly comprises: a connecting shaft 10, a connecting support 11 and a supporting plate 12, the top end of the U-shaped lifting block 1 is symmetrically provided with two mounting grooves 102 on the front and back, the connecting shaft 10, the connecting support 11 and the supporting plate 12 are all symmetrically provided with two, the lower parts of the two connecting supports 11 are rotatably installed in the two mounting grooves 102 through two transversely arranged connecting shafts 10, the top end of the connecting support 11 is fixedly connected with the supporting plate 12, and the supporting plate 12 is in pressing contact with the inclined surface of the bottom end of the upper flange of the I-beam 17.

[0027] The top end of the supporting plate 12 is fixedly connected with a non-slip pad 13, and the connecting part of the supporting plate 12 and the connecting support 11 is provided with a plurality of reinforcing ribs 14, the provided non-slip pad 13 can further improve the stability of the contact between the supporting plate 12 and the inclined surface of the bottom end of the upper flange of the I-beam 17, and the provided reinforcing ribs 14 can improve the connecting strength of the supporting plate 12 and the connecting support 11.

[0028] In the embodiment, the upper part of the cantilever 2 is inclined upward towards the inner side, the upper end of the cantilever 2 is provided with a lifting ring hole, the lifting ring 15 is sleeved in the lifting ring hole, and the lifting ring 15 is fixedly connected to one side of the bottom end of the herringbone split lifting rope 16.

[0029] When the device is used, the two rectangular grooves 101 on the two U-shaped lifting blocks 1 are clamped on the transverse ends of the web of the I-beam 17, so that the end of the rectangular groove 101 close to the cantilever 2 is in close contact with the end of the web of the I-beam 17; then, the two cantilevers 2 are respectively lifted, so that the two supporting plates 12 on the same side are in close contact with the bottom end inclined surface of the upper flange of the I-beam 17; then, the two rotating discs 8 are respectively rotated, so that the two positioning clamping blocks 4 on the same side move towards each other and clamp the front and rear end faces of the web of the I-beam 17; then, the upper end of the herringbone split lifting rope 16 is fixed by lifting equipment, and lifting is realized; the whole device can well fix the I-beam and can adapt to I-beams of different specifications and sizes.

[0030] In the description of the present application, it should be explained that the terms "upper", "lower", "left", "right", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore cannot be understood as a limitation on the present application.

[0031] The above is only a preferred embodiment of the present application, and does not limit the present application in any form, any skilled person in the art, without departing from the technical scheme of the present application, according to the technical essence of the present application, any simple modification, equivalent replacement and improvement of the above embodiment, etc. still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A hoisting device for civil engineering construction, characterized in that, include: The structure consists of a U-shaped lifting block (1), a boom (2), a herringbone forked lifting rope (16), and an I-beam (17). Two U-shaped lifting blocks (1) are symmetrically arranged on the left and right sides. Each of the two U-shaped lifting blocks (1) has a rectangular groove (101) on one side facing each other to match the web of the I-beam (17). The two U-shaped lifting blocks (1) are respectively horizontally clamped to the two ends of the web of the I-beam (17). The U-shaped lifting blocks (1) are provided with positioning and clamping components for clamping and fixing the web of the I-beam (17). Two lifting components for supporting the bottom inclined surface of the upper flange of the I-beam (17) are symmetrically arranged on the inner side of the top of the U-shaped lifting block (1). The boom (2) is fixedly connected to the top of the U-shaped lifting block (1). The two booms (2) are respectively connected to the two ends of the bottom fork of the herringbone forked lifting rope (16).

2. The hoisting device for civil engineering construction according to claim 1, characterized in that: The width of the rectangular groove (101) is greater than the thickness of the web of the I-beam (17) and less than the width of the upper or lower flange.

3. The hoisting device for civil engineering construction according to claim 1, characterized in that: The length of the rectangular groove (101) is greater than the distance from the bottom of the upper flange to the top of the lower flange of the I-beam (17).

4. A hoisting device for civil engineering construction according to claim 1, characterized in that: The positioning and clamping assembly includes: positioning clamping blocks (4), which are L-shaped and two are provided. The two positioning clamping blocks (4) are symmetrically arranged on the front and rear sides of the top of the U-shaped lifting block (1). The U-shaped lifting block (1) is provided with an adjustment mechanism for driving the two positioning clamping blocks (4) to move synchronously towards each other or away from each other. The inner end of the positioning clamping block (4) is pressed and contacted with the web of the I-beam (17).

5. A hoisting device for civil engineering construction according to claim 4, characterized in that: The adjustment mechanism includes: a T-shaped slide rail (3), a screw (5), a bearing (6), a rotating support (7), a turntable (8), and a handle (9). Two T-shaped slide rails (3) are symmetrically arranged at the front and back. The two T-shaped slide rails (3) are respectively symmetrically arranged at the top of the U-shaped lifting block (1) on the front and back sides of the boom (2). Two positioning clamps (4) are respectively longitudinally limited and slidably connected to the two T-shaped slide rails (3). The outer end of the positioning clamp (4) is threaded through and connected to the screw (5). The thread grooves on the front and back sides of the screw (5) are opposite in direction. The front and back ends of the screw (5) are respectively rotatably connected to the upper ends of two rotating supports (7) through two bearings (6). The two rotating supports (7) are respectively symmetrically fixedly connected to the front and back sides of the outer end of the U-shaped lifting block (1). The front end of the screw (5) is fixedly connected to the turntable (8). The turntable (8) is fixedly connected to the arc-shaped side wall of the turntable (8).

6. A hoisting device for civil engineering construction according to claim 5, characterized in that: The positioning clamp (4) includes an L-shaped clamp and a connecting seat. The connecting seat is fixedly connected to the outer end of the L-shaped clamp. The bottom end of the L-shaped clamp is provided with a T-shaped groove. The T-shaped groove slides longitudinally with the T-shaped slide rail (3). The connecting seat is provided with a threaded hole. The screw (5) passes through and is threadedly connected to the threaded hole.

7. A hoisting device for civil engineering construction according to claim 1, characterized in that: The lifting assembly includes a connecting shaft (10), a connecting bracket (11), and a support plate (12). The top inner side of the U-shaped lifting block (1) is symmetrically provided with two mounting slots (102). The connecting shaft (10), the connecting bracket (11), and the support plate (12) are all symmetrically provided with two units. The lower parts of the two connecting brackets (11) are rotatably installed in the two mounting slots (102) through two horizontally arranged connecting shafts (10). The top of the connecting bracket (11) is fixedly connected to the support plate (12). The support plate (12) is pressed against the inclined surface at the bottom end of the upper flange of the I-beam (17).

8. A hoisting device for civil engineering construction according to claim 7, characterized in that: The top of the tray (12) is fixedly connected to an anti-slip pad (13), and the connection between the tray (12) and the connecting bracket (11) is provided with several reinforcing ribs (14).

9. A hoisting device for civil engineering construction according to claim 1, characterized in that: The upper part of the boom (2) is inclined upwards and inwards. The upper end of the boom (2) is provided with a lifting ring hole. A lifting ring (15) is fitted inside the lifting ring hole. The lifting ring (15) is fixedly connected to the bottom side of the herringbone-shaped lifting rope (16).

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