Sectional steel beam hoisting equipment

Abstract

The utility model discloses profile steel beam hoisting equipment, which belongs to the technical field of building construction and comprises a hoisting main body, two sides of the hoisting main body are rotatably connected with vertically arranged rotating shafts, connecting frames are fixed on the rotating shafts, and locking structures for limiting rotation of the connecting frames are arranged between the connecting frames and the hoisting main body; an upper supporting block is arranged on each connecting frame, and a gap for clamping an upper flange plate of the profile steel is reserved between the upper end of each upper supporting block and the lower end of the hoisting main body; the bottom of the connecting frame is provided with a coaxial mounting frame through a connecting piece, the bottom of the mounting frame is vertically and slidably connected with a horizontally arranged lower supporting block, a positioning bolt is detachably connected between the lower supporting block and the mounting frame, and the lower supporting block is used for supporting a profile steel lower flange plate; the utility model aims to solve the problem that the acting force of the existing profile steel hoisting device on profile steel is concentrated on an upper wing plate, so that the upper wing plate is easy to deform.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building construction, specifically relates to a type steel beam hoisting equipment. BACKGROUND

[0002] As one of four kinds of steel (plate, pipe, type, silk), type steel is widely used in building structure. Due to the long length and high weight of type steel, special hoisting equipment is often needed during construction. The prior art CN220926069U discloses a novel type steel hoisting device, which can adapt to the hoisting of H-shaped steel of various specifications, the lifting belt is fixed by being passed through the lifting ring, hoisting can be carried out, and the device is convenient, fast, reliable and safe, and the reliability and safety are greatly improved. However, in the above prior art, the upper flange plate of the type steel is clamped, so that the force of the hoisting device on the type steel is concentrated on the upper flange plate, which may cause deformation of the upper flange plate. SUMMARY

[0003] Therefore, the utility model discloses a type steel beam hoisting equipment, which aims at solving the problem that the force of the existing type steel hoisting device on the type steel is concentrated on the upper flange plate, which may cause deformation of the upper flange plate.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A type steel beam hoisting equipment, comprising a hoisting main body, vertical rotating shafts are rotatably connected to the two sides of the hoisting main body, connecting frames are fixed on the rotating shafts, and locking structures for limiting the rotation of the connecting frames are arranged between the connecting frames and the hoisting main body; upper support blocks are arranged on the connecting frames, and a gap for clamping the upper flange plate of the type steel is reserved between the upper end of the upper support block and the lower end of the hoisting main body; coaxial mounting frames are arranged on the bottom of the connecting frame through connecting pieces, the bottom of the mounting frame is vertically and slidably connected with a horizontally arranged lower support block, and positioning bolts are detachably connected between the lower support block and the mounting frame, and the lower support block is used for supporting the lower flange plate of the type steel.

[0006] In the scheme, during hoisting, the lower support block is slid according to the size of the type steel, and the lower support block is fixed through the positioning bolts; then the hoisting main body is placed at the top end of the type steel, the rotating shafts are rotated, the rotating shafts drive the connecting frames to rotate, the connecting frames synchronously drive the upper support blocks and the mounting frames to synchronously rotate, the upper support blocks are attached to the bottom of the upper flange plate of the type steel, the upper flange plate is clamped and fixed by the upper support blocks and the hoisting main body; at the same time, the mounting frames drive the lower support block to synchronously rotate, the lower support block is attached to the bottom of the lower flange plate of the type steel, and the lower flange plate of the type steel is supported, and then hoisting operation is carried out.

[0007] The upper support block and the lower support block are used for synchronously supporting the upper flange plate and the lower flange plate, the force of the hoisting equipment on the profile steel is dispersed, and the profile steel is effectively prevented from being deformed due to the concentrated force of the hoisting equipment during hoisting; meanwhile, the contact points between the hoisting equipment and the profile steel are increased, and the profile steel is effectively prevented from slipping.

[0008] Further, the connecting piece comprises a support shaft rotatably connected to the bottom of the connecting frame, the support shaft is horizontally perpendicular to the support shaft, both ends of the support shaft are coaxially rotatably connected to sleeves, and torsional springs are arranged between the sleeves and the support shaft; a plurality of through holes are distributed on the side of the sleeve along the axial direction of the sleeve, the through holes are all horizontally directed to the axial center of the sleeve, a latch is slidably connected in each through hole, the end of the latch is arc-shaped, elastic return pieces are arranged between the latch and the through hole, two groups of locking holes matched with the shape of the latch are formed in the side of the support shaft, and the two groups of locking holes are perpendicular to each other; and the top end of the mounting frame is fixedly connected with the corresponding sleeve.

[0009] In the scheme, when the profile steel contacts the ground, the lower support block cannot contact the lower flange plate of the profile steel; therefore, before the hoisting equipment is installed, the latch is pulled out of the first group of locking holes, the mounting frame is rotated to keep horizontal, and the latch is directed to the other group of locking holes; at this time, the hoisting equipment is installed; after the hoisting equipment is installed, the latch is pulled out, the sleeve is rotated under the action of the torsional spring, and the mounting frame swings downward; due to the ground, when the mounting frame swings to a certain angle, the lower support block contacts the ground; at this time, the latch is pulled out, the latch abuts against the support shaft, and the latch is located between the two groups of locking holes; then, hoisting operation is performed; after the profile steel is suspended, the lower support block loses the ground resistance, the mounting frame continues to swing under the action of the torsional spring, until the mounting frame returns to the vertical state, so that the lower support block is attached to and supported by the lower flange plate of the profile steel.

[0010] Further, the locking structure comprises a plurality of positioning protrusions arranged on the connecting frame, and locking grooves matched with the positioning protrusions are formed in the two sides of the hoisting body; an annular seat connected with the hoisting body is arranged beside each locking groove, an apron for closing the locking groove is slidably connected in the annular seat, and anti-disengagement blocks are arranged at both ends of the apron.

[0011] In the scheme, when the hoisting body is installed, the positioning protrusions are inserted into the locking grooves along with the rotation of the connecting frame; at this time, the apron is slid to make the apron attached to the positioning protrusions, so as to limit the positioning protrusions from disengaging from the locking grooves, thereby limiting the rotation of the connecting frame and preventing the upper support block and the lower support block from disengaging from the profile steel during hoisting; in addition, the cooperation between the positioning protrusions and the locking grooves can exert an upward supporting force on the connecting frame, so as to prevent the connecting frame from being broken due to the vertical shearing force at the connecting position between the connecting frame and the hoisting body.

[0012] Further, a reinforcing block is arranged at the bottom of the end face of the hoisting body.

[0013] Further, the end of the upper support block and the end of the lower support block are arc-shaped.

[0014] Further, a connecting plate is arranged beside the sleeve, and the end of the bolt is fixedly connected with the corresponding connecting plate.

[0015] Further, a connecting hole is arranged on the hoisting body.

[0016] The other advantages, objects and features of the present application will be clarified in the following description, and are apparent to those skilled in the art to some extent, or can be obtained from the practice of the present application. The objects and other advantages of the present application can be realized and obtained by the following description. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to make the purpose, technical scheme and beneficial effects of the present application more clear, the present application provides the following drawings for illustration:

[0018] Figure 1 The figure is a structural schematic diagram of the embodiment of the present application;

[0019] Figure 2 The figure is a structural schematic diagram of the working state of the embodiment of the present application;

[0020] Figure 3 The figure is an enlarged schematic diagram of A in the present application; Figure 2

[0021] Figure 4 The figure is a transverse sectional view of the sleeve in the present application.

[0022] In the drawings, the following marks are used: hoisting body 1, rotating shaft 2, connecting frame 3, upper support block 4, mounting frame 5, lower support block 6, support shaft 7, sleeve 8, torsional spring 9, bolt 10, elastic support 11, locking hole 12, positioning protrusion 13, locking groove 14, annular seat 15, baffle 16, anti-dropping block 17, reinforcing block 18, connecting plate 19, connecting hole 20, positioning bolt 21. DETAILED DESCRIPTION

[0023] As shown in the figure: Figures 1 to 4

[0024] ​​The utility model provides a kind of sectional steel beam hoisting equipment, including hoisting main body 1, both sides of the hoisting main body 1 are rotatably connected with vertically arranged rotating shaft 2, connecting frame 3 is welded and fixed on rotating shaft 2, and locking structure for limiting the rotation of connecting frame 3 is arranged between connecting frame 3 and hoisting main body 1;Upper support block 4 is integrally formed on connecting frame 3, and the gap for clamping sectional steel upper flange plate is reserved between the upper end of upper support block 4 and the lower end of hoisting main body 1;Connecting piece is provided with coaxial mounting bracket 5 at the bottom of connecting frame 3, and lower support block 6 is slidably connected at the bottom of mounting bracket 5, and positioning bolt 21 is detachably connected between lower support block 6 and mounting bracket 5, and lower support block 6 is used to support sectional steel lower flange plate.

[0025] In the scheme, during hoisting, the lower support block 6 is slid according to the size of the sectional steel, and the lower support block 6 is fixed by the positioning bolt 21;Then, the hoisting main body 1 is placed at the top end of the sectional steel, the rotating shaft 2 is rotated, the rotating shaft 2 drives the connecting frame 3 to rotate, the connecting frame 3 synchronously drives the upper support block 4 and the mounting bracket 5 to rotate synchronously, so that the upper support block 4 is attached to the bottom of the sectional steel upper flange plate, and the upper flange plate is clamped and fixed by the upper support block 4 and the hoisting main body 1;At the same time, the mounting bracket 5 drives the lower support block 6 to rotate synchronously, so that the lower support block 6 is attached to the bottom of the sectional steel lower flange plate, and then the sectional steel lower flange plate is supported, and hoisting operation is carried out.

[0026] The upper support block 4 and the lower support block 6 are used to support the upper flange plate and the lower flange plate synchronously in the scheme, so that the force of the hoisting equipment on the sectional steel is dispersed, and the deformation of the sectional steel during hoisting can be effectively avoided due to the excessive concentration of the force of the hoisting equipment on the sectional steel;At the same time, the contact points of the hoisting equipment and the sectional steel are increased, which can effectively prevent the sectional steel from slipping off.

[0027] In the embodiment, the connecting piece includes a support shaft 7 rotatably connected to the bottom of the connecting frame 3, the support shaft 7 is horizontal and perpendicular to the support shaft 7, the support shaft 7 is coaxially rotatably connected to a sleeve 8 at both ends, and a torsional spring 9 is arranged between the sleeve 8 and the support shaft 7;A plurality of through holes are distributed on the circumferential side of the sleeve 8 along the axial direction, the through holes are all horizontally directed to the axial center of the sleeve 8, a latch 10 is slidably connected in the through hole, the end of the latch 10 is arc-shaped, an elastic return member is arranged between the latch 10 and the through hole, two groups of locking holes 12 matched with the shape of the latch 10 are formed on the circumferential side of the support shaft 7, and the two groups of locking holes 12 are perpendicular to each other;The top end of the mounting bracket 5 is fixedly connected with the corresponding sleeve 8.

[0028] In the scheme, when the profile steel contacts the ground, the lower supporting block 6 cannot contact the lower flange plate of the profile steel; therefore, before the lifting device is installed, the bolt 10 is pulled out of the first set of locking holes 12, and the mounting frame 5 is rotated to keep the mounting frame 5 horizontal, and the bolt 10 is opposite to the other set of locking holes 12, at this time, the lifting device is installed; after the lifting device is installed, the bolt 10 is pulled out, the sleeve 8 is rotated under the action of the torsional spring 9, the mounting frame 5 swings downward, and due to the ground, when the mounting frame 5 swings to a certain angle, the lower supporting block 6 contacts the ground, at this time, the bolt 10 is sent out, the bolt 10 abuts against the supporting shaft 7, and the bolt 10 is located between the two sets of locking holes 12, and then the lifting operation is performed; when the profile steel is suspended, the lower supporting block 6 loses the ground obstruction, the mounting frame 5 continues to swing under the action of the torsional spring 9, until the mounting frame 5 returns to the vertical state, so that the lower supporting block 6 is attached to and supported by the lower flange plate of the profile steel.

[0029] In the embodiment, the locking structure includes a plurality of positioning protrusions 13 arranged on the connecting frame 3, and locking grooves 14 are arranged on both sides of the lifting body 1 and matched with the positioning protrusions 13; an annular seat 15 is arranged beside each locking groove 14 and welded with the lifting body 1, and a baffle 16 for closing the locking groove 14 is slidably connected in the annular seat 15, and a anti-disengagement block 17 is integrally formed at both ends of the baffle 16.

[0030] In the scheme, when the lifting body 1 is installed, the positioning protrusion 13 is inserted into the locking groove 14 with the rotation of the connecting frame 3, at this time, the baffle 16 is slid to make the baffle 16 attached to the positioning protrusion 13, so as to limit the positioning protrusion 13 from disengaging from the locking groove 14, that is, the rotation of the connecting frame 3 is limited, and the upper supporting block 4 and the lower supporting block 6 are prevented from disengaging from the profile steel during lifting. In addition, the cooperation of the positioning protrusion 13 and the locking groove 14 can exert an upward supporting force on the connecting frame 3, so as to prevent the connecting frame 3 from being broken due to the vertical shearing force at the connecting position of the connecting frame 3 and the lifting body 1.

[0031] In the embodiment, the reinforcing block 18 is integrally formed at the bottom of the end face of the lifting body 1, and the bottom of the reinforcing block 18 is flush with the bottom of the lifting body 1.

[0032] By arranging the reinforcing block 18, the contact area of the lifting body 1 and the top end of the profile steel is increased, so as to strengthen the stability of the lifting device in clamping the profile steel.

[0033] In the embodiment, the end portions of the upper supporting block 4 and the lower supporting block 6 are arc-shaped.

[0034] The upper supporting block 4 and the lower supporting block 6 are arc-shaped, so as to reduce the abrasion of the profile steel caused by the rotation of the upper supporting block 4 and the lower supporting block 6.

[0035] In the embodiment, the sleeve 8 is provided with a connecting plate 19, and the end of the bolt 10 is welded and fixed with the corresponding connecting plate 19.

[0036] By arranging the connecting plate 19, all the bolts 10 pulled to the same sleeve 8 at the same time can be pulled by stretching the connecting plate 19, and the operation is more convenient and fast.

[0037] In the embodiment, the hoisting body 1 is provided with a connecting hole 20.

[0038] By arranging the connecting hole 20, the steel halyard on the hoisting equipment can be connected with the hoisting equipment.

[0039] Finally, it should be pointed out that the above preferred embodiments are only used to illustrate the technical solutions of the utility model and are not limited, although the utility model has been described in detail through the above preferred embodiments, but those skilled in the art should understand that various changes can be made in form and details without departing from the range defined by the claims of the utility model.

Claims

1. A beam launching apparatus for a profiled steel beam, characterised in that: The lifting main body is rotatably connected with vertical rotating shafts on both sides, the rotating shafts are fixed with connecting frames, and the connecting frames and the lifting main body are provided with locking structures for limiting rotation of the connecting frames; the connecting frames are provided with upper support blocks, and gaps for clamping upper flange plates of the profile steel are reserved between the upper support blocks and the lower end of the lifting main body; the connecting frames are provided with coaxial mounting frames through connecting pieces at the bottom, the mounting frames are vertically and slidably connected with horizontally arranged lower support blocks at the bottom, the lower support blocks and the mounting frames are detachably connected with positioning bolts, and the lower support blocks are used for supporting lower flange plates of the profile steel.

2. A steel beam hoisting apparatus according to claim 1, characterized in that: The connecting piece comprises a support shaft rotatably connected to the bottom of the connecting frame, the support shaft is horizontally perpendicular to the support shaft, both ends of the support shaft are coaxially rotatably connected with sleeves, and torsional springs are arranged between the sleeves and the support shaft; a plurality of through holes are distributed on the circumferential side of the sleeve along the axial direction of the sleeve, the through holes are all horizontally directed to the axial center of the sleeve, the latches are all slidably connected in the through holes, the end portions of the latches are arc-shaped, elastic return pieces are arranged between the latches and the through holes, two groups of locking holes matched with the shapes of the latches are formed in the circumferential side of the support shaft, and the two groups of locking holes are perpendicular to each other; the top end of the mounting frame is fixedly connected with the corresponding sleeve.

3. A steel beam hoisting apparatus according to claim 2, wherein: The locking structure comprises a plurality of positioning protrusions arranged on the connecting frame, and locking grooves matched with the positioning protrusions are formed on both sides of the lifting main body; annular seats connected with the lifting main body are arranged beside the locking grooves, the annular seats are all slidably connected with baffles for closing the locking grooves, and anti-disengagement blocks are arranged at both ends of the baffles.

4. A steel beam hoisting apparatus according to claim 3, wherein: The end face of the lifting main body is provided with a reinforcing block at the bottom.

5. A steel beam hoisting apparatus according to claim 4, wherein: The end portions of the upper support blocks and the lower support blocks are arc-shaped.

6. A steel beam hoisting apparatus according to claim 5, wherein: The sleeves are all provided with connecting plates, and the end portions of the latches are fixedly connected with the corresponding connecting plates.

7. A steel beam hoisting apparatus according to claim 6, characterised in that: The lifting main body is provided with a connecting hole.

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