CN209481043U - A fixture for hoisting H-shaped steel beams - Google Patents

Abstract

The utility model discloses a handling fixture for H shaped steel girder steel belongs to construction and equips technical field. The utility model discloses a clamp for hoisting an H-shaped steel beam, which is applied to hoisting the H-shaped steel beam and comprises a steel wire rope and hoisting clamps symmetrically distributed on the H-shaped steel beam; the hoisting fixture is in a rectangular open hook shape and comprises a hoisting hole, and a clamping groove and a hooking end which are integrally connected; the clamping groove is matched with the shape and the thickness of the far end of the steel beam flange plate on the two sides of the H-shaped steel beam, the clamping groove is clamped at the far end of the steel beam flange plate and connected with the steel wire rope of the steel wire rope in a stranded mode through the hoisting hole, and the hooking end is matched with the clamping groove and fastened at the bottom of the far end of the steel beam flange plate. After the H-shaped steel beam is buckled by the symmetrically distributed rectangular opening hook-shaped hoisting fixture, the H-shaped steel beam is hoisted by the steel wire rope, so that the operation is flexible, the hoisting efficiency is high, and the time and the labor are saved. The problems that hoisting of the H-shaped steel girder is time-consuming and labor-consuming and the maneuverability is poor in the prior art are solved.

Description

A fixture for hoisting H-shaped steel beams

technical field

The utility model belongs to the technical field of building construction equipment, in particular to a fixture for hoisting H-shaped steel girders.

Background technique

For the installation of steel structure engineering, there are some H-shaped steel girder components produced and installed, that is, the unloading and installation of a large number of H-shaped steel girder components, the fixtures are used frequently and in large quantities. In practice, the equipped standard jigs are often expensive, so that the quantity is limited, and the operation requirements are high, which affects work efficiency.

There are many types of cards currently on the market, which can be roughly divided into three categories: chain spreaders, clamp spreaders and lifting suction cups. Chain spreaders are widely used in the field of construction production and construction. According to The object to be lifted needs to be able to select the corresponding hook head in a targeted manner. However, there is a lack of special spreaders for the lifting of H-shaped steel beams in the existing hook heads. During on-site construction, lifting belts are often used for lifting. It is time-consuming and labor-intensive.

Chinese patent, publication number: CN208071099U, publication date: 2018.11.19, discloses a special H-shaped steel fixture, which consists of an upper hoisting ring, a rectangular opening clamping plate, and an upper reinforcement strip, and is characterized in that it adopts a semicircular arc rectangular opening clamp The plate is made of 25mm thick steel plate, and the rectangular opening is reinforced with 20mm thick steel strips. The upper hoisting ring is made of 25mm thick steel plate. It is symmetrically clamped on the upper flange of the H-shaped steel, and the wire rope passes through the upper ring to connect the two sets of clamps together for hoisting. The jig requires vertical welding connection, poor maneuverability and low hoisting efficiency.

Utility model content

1. The technical problems to be solved by the utility model

Aiming at the problems of time-consuming and laborious hoisting of H-shaped steel girders and poor maneuverability in the prior art, the utility model provides a fixture for hoisting H-shaped steel girders. It directly buckles the H-shaped steel girder through the hook-shaped slot of the rectangular opening and then lifts it. It has strong maneuverability, high lifting efficiency, and saves time and effort.

2. Technical solution

In order to achieve the above object, the technical solution provided by the utility model is:

A jig for hoisting H-shaped steel girders, which is applied to the lifting of H-shaped steel girders, including steel wire ropes and lifting jigs symmetrically distributed on the H-shaped steel girders; the lifting jigs are in the shape of rectangular opening hooks, including The hoisting hole and the connection are integrated into the card slot and the hook end; the card slot fits the shape and thickness of the far end of the steel beam flange plate on both sides of the H-shaped steel beam, and is clamped to the far end of the steel beam flange plate, and passes through the hoisting hole and The steel wire ropes of the steel wire rope are connected in strands, and the hooking end is fastened to the bottom of the far end of the flange plate of the steel girder in cooperation with the card slot. The H-shaped steel girder is buckled by the symmetrically distributed rectangular opening hook-shaped hoisting fixture, and then hoisted by the wire rope. The operation is flexible, the hoisting efficiency is high, and time and effort are saved.

Preferably, evenly distributed hook grooves are provided on the upper surface of the hooking end to improve the hooking adhesion of the hoisting fixture to the H-shaped steel beam.

Preferably, the hoisting clamps are even-numbered pairs, which can be buckled symmetrically, and are applied in an adaptive quantity according to the specifications of the H-shaped steel beams; Q345C steel is selected, which is easy to obtain materials, convenient to manufacture, and can also be reused by waste. It is applied to H500 The hoisting of the above large-scale H-shaped steel beams only needs to be applied in corresponding quantities.

A hoisting method for hoisting fixtures used for hoisting H-shaped steel girders, the steps are:

Step 1, straighten the H-shaped steel beam in the shape of "I" to facilitate the symmetrical buckle of the hoisting fixture;

Step 2. Connect the hoisting clamps symmetrically to the far ends of the steel beam flange plates on both sides of the H-shaped steel beam to avoid imbalance due to overweight;

Step 3. Connect the two strands of the steel wire rope to the hoisting holes respectively, so that it is easy to lift after being locked up;

Step 4: Lift the steel wire rope through the hook of the crane for hoisting. The whole process is easy to operate, flexible and efficient.

A double-hook jig for hoisting H-shaped steel girders, which is applied to the lifting of H-shaped steel girders, includes steel wire ropes and hoisting jigs hung on both ends of the H-shaped steel girder; the lifting jigs are double V-shaped hooks, The bottom is two hook holding ends, and the double V-shaped hooks are connected as a whole through the hoisting connection part. The steel wire ropes of the steel wire rope are connected to the hoisting connection part in strands, for H-shaped steel beams with relatively short length and relatively large width , It is convenient to hook from both ends, combined with the structural characteristics of the symmetrical steel beam flange plate of the H-shaped steel beam, the double V-shaped hook is fastened to the bottom of the double steel beam flange plate, and the operation is convenient.

Preferably, the distance between the two hooking ends is slightly greater than the thickness of the web of the H-shaped steel girder, for example, greater than 5 mm to 10 mm, which is convenient for hooking and avoiding the hooking ends from being out of position when hooked.

Preferably, the distance between the two hooking ends is slightly greater than the sum of the width of the H-shaped steel beam and the thickness of the web plate. Combined with the special structure of the H-shaped steel beam, it can be hoisted by combined hooks to further improve the hoisting efficiency.

Preferably, evenly distributed hook grooves are provided on the upper surface of the hooking end to improve the hooking adhesion of the hoisting fixture to the H-shaped steel beam.

Preferably, the hoisting jig is made of Q345C steel pipe, which is easy to obtain materials, convenient to manufacture, and can also be used for the hoisting of small-sized H-shaped steel beams below H500. The length is relatively small, and it is convenient to hook both ends.

A hoisting method for hoisting H-shaped steel girders with a double-hook fixture, the steps are:

Step 1. Put two sections of H-shaped steel girders side by side in the shape of "I" and set aside a gap in the thickness of the web, then pass another section of H-shaped steel beams through the gap, and its top overlaps the two sections of side-by-side straightening On the upper surface of the H-shaped steel girder, the steel girder flange plates of the three H-shaped steel girders are arranged in the shape of "pin", which is combined by making full use of the special structure of the H-shaped steel girder, and combined with the special structure of the double-hook fixture of the utility model, It can effectively improve the lifting efficiency;

Step 2. Hook the two hoisting fixtures to the two ends of the H-shaped steel beam respectively, and the two hooking ends of each hoisting fixture are respectively hooked to the external right angles of the two sections of H-shaped steel beams that are set side by side;

Step 3. Connect the two steel wire rope sub-strands of the steel wire rope to the hoisting connection part respectively;

Step 4: The wire rope is hoisted by the hook of the crane for hoisting. The whole process is easy to operate and flexible, which further improves the hoisting efficiency.

3. Beneficial effect

Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

(1) The fixture for hoisting H-shaped steel girders of the utility model is hook-shaped lifting fixtures with rectangular openings that are symmetrically distributed. After the specific shape of the H-shaped steel beams is buckled, it is hoisted by wire ropes, and the operation is flexible and flexible. , high hoisting efficiency, saving time and effort;

(2) A clamp for hoisting H-shaped steel beams of the present utility model, the evenly distributed hook grooves can improve the hooking adhesion of the lifting clamps to H-shaped steel beams;

(3) A clamp for hoisting H-shaped steel girders of the present utility model, the lifting clamps are even pairs, which can be buckled symmetrically, and the adaptive quantity application is carried out according to the specifications of H-shaped steel girders; the steel material of Q345C is selected , It is easy to obtain materials, convenient to make, and can also reuse waste. It is applied to the hoisting of large-scale H-shaped steel beams above H500, and only needs to be applied in a corresponding quantity-adaptive manner;

(4) A kind of hoisting method of the clamp used for hoisting H-shaped steel girder of the present utility model, the whole process is easy to operate, flexible and efficient;

(5) A double-hook fixture for hoisting H-shaped steel beams of the present utility model is aimed at H-shaped steel beams with relatively short length and relatively large width, which is convenient for hooking from both ends. Combined with H-shaped steel beams, there is a symmetrical Due to the structural characteristics of the steel beam flange plate, the double V-shaped hooks are fastened to the bottom of the double steel beam flange plate, which is easy to operate;

(6) A double-hook fixture for lifting H-shaped steel girders of the present utility model, the distance between the two hook holding ends is slightly greater than the thickness of the web of the H-shaped steel steel girder, which is convenient for hooking and avoiding when the hook holding ends are hooked. out of position;

(7) A double-hook fixture for hoisting H-shaped steel girders of the present utility model, the distance between the two hook ends is slightly larger than the sum of the width of the H-shaped steel girder and the thickness of the web, combined with the special structure of the H-shaped steel girder , it can be hoisted with a combined hook to further improve the hoisting efficiency;

(8) A double-hook fixture for hoisting H-shaped steel girders of the present utility model. The hoisting fixture is made of Q345C steel pipes. It is easy to obtain materials, easy to make, and can also reuse waste. Steel girder hoisting, the length is relatively small, convenient for hooking both ends;

(9) The hoisting method of the double-hook fixture for hoisting H-shaped steel girders of the present utility model is easy to operate in the whole process, flexible and flexible, and further improves the hoisting efficiency.

Description of drawings

Fig. 1 is the utility model hoisting H-shaped steel girder clamp structural representation;

Fig. 2 is the partially enlarged schematic diagram of the fixture for hoisting and transporting H-shaped steel girders of the present invention;

Fig. 3 is the structural schematic diagram of the double-hook fixture for hoisting and transporting H-shaped steel girders of the present invention;

Fig. 4 is the hoisting status diagram of the double-hook fixture for hoisting H-shaped steel girders of the present utility model;

Fig. 5 is a hoisting status diagram of the double-hook fixture used for hoisting the H-shaped steel girder in embodiment 5.

Explanation of the labels in the schematic diagram: 1. H-shaped steel beam; 2. Hoisting fixture; 3. Steel wire rope; 11. The far end of the flange plate of the steel beam; 12. Web plate; 13. External hanging right angle; 21. Hoisting hole; 22. Hoisting connection 23, card slot; 24, hook end; 31, wire rope split; 241, hook groove.

Detailed ways

In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

Example 1

A clamp for hoisting H-shaped steel beams of this embodiment, as shown in Figures 1 and 2, includes steel wire ropes 3 and lifting clamps 2 symmetrically distributed on H-shaped steel beams 1; the lifting clamps 2 are Rectangular opening hook shape, including hoisting hole 21 and connecting slot 23 and hook end 24; the slot 23 fits the shape and thickness of the far end 11 of the steel beam flange plate on both sides of the H-shaped steel beam 1, and is clamped. It is connected to the far end 11 of the steel beam flange plate and is connected with the steel wire rope strand 31 of the steel wire rope 3 through the hoisting hole 21 .

A jig for hoisting H-shaped steel girders in this embodiment is applied to hoisting H-shaped steel girders 1. After the H-shaped steel girders 1 are buckled through symmetrically distributed rectangular opening hook-shaped lifting jigs 2, Then hoisting by the steel wire rope 3, the operation is flexible, the hoisting efficiency is high, and time and effort are saved.

Example 2

A fixture for hoisting H-shaped steel girders in this embodiment has the same basic structure as in Embodiment 1, and the improvement is that evenly distributed hook grooves 241 are arranged on the upper surface of the hook end 24 to improve the height of the lifting clamp. Tool 2 is hook-holding adhesion to the H-shaped steel girder 1. There are even pairs of hoisting fixtures 2, which can be buckled symmetrically, and can be applied in an adaptive quantity according to the specifications of the H-shaped steel beam 1. For example, if the length is 6m, at least 3 pairs of hoisting fixtures 2 need to be laid out, symmetrically and evenly buckled. The far end 11 of the steel girder flange plate on both sides of the H-shaped steel girder 1; the steel material of Q345C is selected for the hoisting jig 2, which is easy to obtain materials, convenient to manufacture, and can also reuse waste.

A fixture for hoisting H-shaped steel girders of this embodiment can be applied to the hoisting of large-scale H-shaped steel girders above H500, such as H500 or 600, that is, the height is 500mm or 600mm, and only the corresponding quantity needs to be applied. Yes, the lifting steps are:

Step 1, straightening the H-shaped steel beam 1 in the shape of "I" to facilitate the symmetrical buckle of the hoisting fixture 2;

Step 2: Connect three pairs of hoisting fixtures 2 to the far ends 11 of the steel beam flange plates on both sides of the H-shaped steel beam 1 in a symmetrical manner to avoid imbalance due to overweight;

Step 3, connect the two steel wire rope sub-strands 31 of the steel wire rope 3 to the hoisting holes 21 respectively, so that it is convenient to lift after being locked in;

Step 4, the steel wire rope 3 is hoisted by the hook of the crane, and the whole process is easy to operate, flexible and efficient.

Compared with the existing technology, when hoisting the H-shaped steel beams of industrial plants, the sling locks are originally used according to the construction needs, and the efficiency is slow, and the hoisting of the wire ropes is easy to cause irreparable edge damage to the crane beams, and it is dangerous to loosen the slings and wire ropes. The risk is relatively high, which seriously restricts the safety and progress management of the site. A fixture and lifting method for hoisting H-shaped steel girders in this embodiment, the hoisting fixture 2 is adopted when hoisting H-shaped steel girders and applied to high-span workshops of steel galvanizing lines, so that the hoisting efficiency on site is greatly improved Improve, but also ensure the construction site safety.

Example 3

A kind of double-hook jig for hoisting H-shaped steel girder of the present embodiment, as shown in Figure 3, 4, comprises steel wire rope 3 and the hoisting jig 2 that hangs on H-shaped steel girder 1 two ends; Said hoisting jig 2 It is a double V-shaped hook with two hooking ends 24 at the bottom. The double V-shaped hooks are connected as a whole through the hoisting connection part 22 .

A double-hook fixture for hoisting H-shaped steel girders in this embodiment is applied to the lifting of H-shaped steel girders 1. For relatively short lengths, such as less than 1 m, and heights of less than 500 mm, such as H400 or 300 or 150 mm, etc., The H-shaped steel girder 1 with a relatively large width is convenient for hooking from both ends. Combined with the structural characteristics of the symmetrical steel girder flange plate of the H-shaped steel girder 1, the double V-shaped hooks are fastened to the bottom of the double steel girder flange plate, and the operation convenient.

Example 4

A double-hook fixture for hoisting H-shaped steel girders of this embodiment has the same specific structure as that of Embodiment 3, the difference and improvement being that the distance between the two hook ends 24 is slightly larger than the web 12 of the H-shaped steel girder 1 For example, the thickness can be greater than 5 mm to 10 mm, which is convenient for hooking and avoiding the hooking end 24 from leaving its position when hooking.

The hoisting method of the double-hook jig for hoisting the H-shaped steel girder of the present embodiment, the steps are:

Step 1, straighten the H-shaped steel girder 1 in the shape of "I";

Step 2. Hook the two hoisting fixtures 2 on the two ends of the H-shaped steel beam 1 respectively, and the two hooking ends 24 of each hoisting fixture 2 are respectively hooked to the external right angle 13 of the H-shaped steel beam 1 ;

Step 3: Connect the two steel wire rope sub-strands 31 of the steel wire rope 3 to the hoisting connection part 22 respectively;

Step 4: Lift the steel wire rope 3 through the hook of the crane for lifting. The whole process is easy to operate and flexible, which improves the lifting efficiency.

Example 5

A double-hook fixture for hoisting H-shaped steel girders in this embodiment has the same specific structure as that in Embodiment 4, the difference and improvement being that the distance between the two hook ends 24 is slightly larger than the width and web of the H-shaped steel girder 1 The sum of the thicknesses of 12 can be increased by about 5mm, which is convenient for insertion; combined with the special structure of the H-shaped steel beam 1, it can be hoisted by combined hooks, which improves the hoisting efficiency.

The hoisting method of the double-hook jig for hoisting the H-shaped steel girder of the present embodiment, the steps are:

Step 1, as shown in Figure 5, straighten two sections of H-shaped steel beams 1 side by side in the shape of "I", and reserve a gap in the thickness of the web 12, and then pass another section of H-shaped steel beam 1 through the gap, and The top is lapped on the upper surface of the two sections of H-shaped steel beams 1 side by side, and the steel beam flange plates of the three sections of H-shaped steel beams 1 are arranged in the shape of "pin", which is combined by making full use of the special structure of the H-shaped steel beams 1. Combined with the structure of the special double-hook fixture of the utility model, the lifting efficiency can be effectively improved;

Step 2. Hook the two hoisting fixtures 2 on both ends of the H-shaped steel beam 1 respectively, and the two hooking ends 24 of each hoisting fixture 2 are respectively hooked on the two sections of H-shaped steel beams 1 side by side. There are 13 places at right angles to the plug-in;

Step 3: Connect the two steel wire rope sub-strands 31 of the steel wire rope 3 to the hoisting connection part 22 respectively;

Step 4: Lift the wire rope 3 through the hook of the crane for lifting. The whole process is easy to operate and flexible, which further improves the lifting efficiency.

The hoisting method of the double-hook fixture for hoisting H-shaped steel girders of this embodiment is applied to the hoisting of small-sized H-shaped steel girders 1 below H500: when receiving and receiving materials in the warehouse, the small-sized hot-rolled H-shaped steel girders 1. It is often brought into the site in packages. Using traditional steel wire ropes for sending and receiving materials is easy to cause irreparable edge damage to the crane beam; using traditional slings for sending and receiving materials, the efficiency of sending and receiving materials is low; at the same time, during the process of using steel wire ropes or slings , The risk is higher when wearing and receiving the wire rope or sling, which is not conducive to construction and production. The double-hook jig for hoisting the H-shaped steel girder of the present embodiment has been widely adopted in the receiving and dispatching of the H-shaped steel girder 1 in the warehouse of the company, which greatly improves the receiving and receiving efficiency of the small-sized H-shaped steel girder 1, and also The safety in the process of sending and receiving materials is guaranteed.

Example 6

A double-hook fixture for hoisting H-shaped steel girders in this embodiment has the same specific structure as in Embodiment 3, the difference and improvement are that the upper surface of the hook end 24 is provided with evenly distributed hook grooves 241 to improve The hook holding adhesion of the hoisting fixture 2 to the H-shaped steel beam 1. The hoisting fixture 2 is made of Q345C steel pipe, which is easy to obtain materials, convenient to manufacture, and can also reuse waste. It is applied to the hoisting of small-sized H-shaped steel beams below H500. The length is relatively small, and it is convenient to hook both ends.

The above schematically describes the utility model and its implementation, which is not restrictive, and what is shown in the accompanying drawings is only one implementation of the utility model, and the actual structure is not limited thereto. Therefore, if a person of ordinary skill in the art is inspired by it, without departing from the purpose of the present invention, without creatively designing a structural method and embodiment similar to the technical solution, it shall be protected by the utility model scope.

Claims (3)

1. a kind of handling H profile steel girder steel fixture, it is characterised in that: be applied to the handling of H profile steel girder steel (1), including wirerope (3) the symmetrical hoisting gripping member (2) and on H profile steel girder steel (1)；The hoisting gripping member (2) is hook-shaped in rectangular aperture, including Hole for hoist (21) and connection are in that the card slot (23) of one and hook hold end (24)；The card slot (23) agrees with H profile steel girder steel (1) two sides Steel beam flange plate distal end (11) shape and thickness, be connected in steel beam flange plate distal end (11), and by hole for hoist (21) and The wirerope share split (31) of wirerope (3) connects, and the hook holds end (24) cooperation card slot (23) fastening in steel beam flange plate distal end (11) bottom.

2. handling H profile steel girder steel fixture according to claim 1, it is characterised in that: the hook holds the upper table at end (24) Face is provided with equally distributed mouth of hook groove (241).

3. handling H profile steel girder steel fixture according to claim 1, it is characterised in that: the hoisting gripping member (2) is even number It is right, the steel of Q345C are selected, the big specification H profile steel steel beam lifting applied to H500 or more.