CN211569874U

CN211569874U - I-steel hoist

Info

Publication number: CN211569874U
Application number: CN201922157395.7U
Authority: CN
Inventors: 刘洪�; 胡乔乔; 郇正杰
Original assignee: Qingdao Qingfang Construction And Installation Group Co ltd
Current assignee: Qingdao Qingfang Construction And Installation Group Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-09-25
Anticipated expiration: 2029-12-05

Abstract

The utility model relates to a joist steel lifting appliance, which comprises a supporting block and two clamping plates, wherein the clamping plates are respectively hinged to two ends of the supporting block, a lifting rod is fixed in the middle of the clamping plate and extends to the top of the supporting block, and the top of the lifting rod is provided with a hanging part; the distance between the two clamping plates is smaller than the width of the I-shaped steel. Utility model's an usage is pressed from both sides the top flank of I-steel respectively to between splint and the supporting shoe, and two wire rope hang respectively to the portion of linking up of two jibs on, when lifting by crane, the gravity of I-steel self is big more, and the pulling force when lifting by crane is just big more, and the power that further makes the clamp plate upwards compress tightly I-steel top flank is just also big more to improve the fixity ability to the I-steel, improve the security. This device convenient operation does not have bolted connection, only need with this device place on the I-steel can, compromise high efficiency and security.

Description

I-steel hoist

Technical Field

The utility model relates to a construction field, more specifically, the utility model relates to a I-steel hoist.

Background

In the construction process of buildings, particularly for the construction of high-rise buildings, building materials need to be transported to the high-rise buildings for construction, and the transportation by using a tower crane is the most convenient and rapid mode. For long-strip-shaped material transportation, especially in the hoisting process of I-shaped steel, due to the special shape of the steel, if the steel is not bound and fixed, the steel easily slides off due to gravity center shift, so that danger is caused.

In the prior art, a two-point hoisting mode is usually adopted, namely a steel wire rope is fixed to two sides of the gravity center of an I-shaped steel to keep balance, but a lifting appliance is usually loosened due to infirm fixation or vibration and the like, so that the danger of slipping is generated; if the fixing device is fixed by bolts and the like, although the fixing device is safe, time and labor are wasted, and the working efficiency is reduced.

Therefore, a novel lifting appliance for the I-shaped steel is needed, and can be used for safely lifting and guaranteeing the working efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at solve the fixed inefficiency of current I-steel hoist or dangerous high problem.

According to one aspect of the utility model, the I-steel lifting appliance comprises a supporting block and two clamping plates, wherein the clamping plates are respectively hinged to two ends of the supporting block, a lifting rod is fixed in the middle of the clamping plates and extends to the top of the supporting block, and a hanging part is arranged at the top of the lifting rod; the distance between the two clamping plates is smaller than the width of the I-shaped steel.

Through this scheme, press from both sides the top flank of I-steel respectively between splint and the supporting shoe, two wire rope hang respectively to the portion of articulate of two jib on, when lifting by crane, the gravity of I-steel self is big more, and the pulling force when lifting by crane is just big more, and further the clamp plate is upwards compressing tightly the power of I-steel top flank just also big more to improve the fixity ability to the I-steel, improve the security. This device convenient operation does not have bolted connection, only need with this device place on the I-steel can, compromise high efficiency and security.

Preferably, the top surface of the clamping plate and the bottom surface of the supporting block are both provided with anti-slip pads.

Through this scheme, improve the frictional force between this hoist and the I-steel, avoid I-steel handling in-process slope slip.

Preferably, the clamping plate is L-shaped, one end of the clamping plate is hinged to the supporting block, and the upper side face of the other end of the clamping plate is fixed with the anti-skid pad; when the bottom surface of the clamping plate is horizontally placed, the distance between the anti-skid pad on the clamping plate and the supporting block is not greater than the thickness of the side wing at the top of the I-shaped steel.

Through this scheme, guarantee that bigger area of contact has between slipmat and the I-steel, improve anti-skidding effect.

Preferably, the hanging device further comprises a hanging block, the hanging block is in an inverted V shape, sliding grooves which are arranged along the two inclined edges are formed in the two inclined edges of the hanging block, and the hanging part is in sliding connection with the sliding grooves.

According to the scheme, only one steel wire rope is needed to hoist the hoisting block, so that the hoisting steps are further simplified, and the hoisting efficiency is improved.

Preferably, a clamping groove is formed in the bottom edge, close to the upper end, of the sliding groove, and the hanging part can be clamped into the clamping groove.

Through this scheme, after the I-steel put down, hang the piece and fall under the effect of self gravity, splint also can leave the contact with the I-steel under self gravity, two hitching part along spout phase motion to the card is fixed temporarily in advancing the draw-in groove, lifts by crane this device back splint once more and can not compress tightly the I-steel again, improves the convenience that this device used.

Preferably, the hanging block is provided with a hanging groove, and a steel wire rope penetrates through the hanging groove to hoist the hanging block.

Through this scheme, improve the stability between wire rope and the hanging piece.

Preferably, a threaded hole is formed in the middle of the side face of each supporting block, and the two I-shaped steel lifting appliances can be connected through double-threaded screws.

Through this scheme, when hoist longer I-steel, utilize two this devices of reciprocal anchorage to hoist, can improve the security.

The utility model has the advantages of, this device simple structure need not the bolt fastening, only can play the fixed action to the I-steel by the pulling force to the I-steel when lifting by crane, easy operation, and the security is high.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

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

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention when lifting an i-steel spreader.

Fig. 2 is a schematic view of the i-beam spreader of fig. 1 in a state before clamping.

Fig. 3 is a side view schematic diagram of the i-steel spreader of fig. 1.

Fig. 4 is a schematic structural view of an i-steel hanger according to the second embodiment of the present invention.

Fig. 5 is a schematic view of the connection structure between the i-steel spreaders of fig. 4.

Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Example one

As shown in fig. 1 to 3, the i-beam hanger in the present embodiment includes a support block 1100 and two clamp plates 1200, wherein the clamp plates 1200 are respectively hinged to two ends of the support block 1100, a suspension rod 1210 is fixed in the middle of the clamp plate 1200, the suspension rod 1210 extends to the top of the support block 1100, and a hanging part 1211 is disposed at the top of the suspension rod 1210; the distance between the two clamping plates 1200 is smaller than the width of the I-steel 2000.

According to the scheme of the embodiment, the top side wings of the I-shaped steel 2000 are respectively clamped between the clamping plate 1200 and the supporting block 1100, the two steel wire ropes are respectively hung on the hanging parts 1211 of the two hanging rods 1210, when the I-shaped steel 2000 is hung, the larger the gravity of the I-shaped steel 2000 is, the larger the pulling force during hoisting is, and the larger the force for pressing the top side wings of the I-shaped steel 2000 upwards by the pressing plate 1200 is, so that the fixing performance of the I-shaped steel 2000 is improved, and the safety is improved. This device convenient operation, no bolted connection, only need with this device place on I-steel 2000 can, compromise high efficiency and security.

In this or other embodiments, the top surface of the clamp plate 1200 and the bottom surface of the support block 1100 are provided with anti-slip pads 1400. The friction force between the lifting appliance and the I-steel 2000 is improved, and the I-steel 2000 is prevented from obliquely sliding in the lifting process.

In this embodiment or other embodiments, the clamping plate 1200 is "L" shaped, one end of the clamping plate 1200 is hinged to the supporting block 1100, and the upper side of the other end of the clamping plate 1200 is fixed with the non-slip mat 1400; when the bottom surface of the clamping plate 1200 is horizontally placed, the distance from the anti-skid pad 1400 on the clamping plate 1200 to the supporting block 1100 is not greater than the thickness of the side wing at the top of the i-steel 2000. This setting can guarantee that splint 1200 is tight when pressing from both sides, and non slipping spur 1400 is in the horizontality to guarantee that there is bigger area of contact between non slipping spur 1400 and the I-steel 2000, improve anti-skidding effect.

In this embodiment or other embodiments, the hanging device further includes a hanging block 1300, the hanging block 1300 is in an inverted "V" shape, sliding grooves 1310 are disposed on two inclined edges of the hanging block 1300 and arranged along the inclined edges, and the hanging portion 1211 is slidably connected to the sliding grooves 1310. The steel wire rope is hung on the hanging block 1300, and when the steel wire rope is hung, the hanging part 1211 moves obliquely downwards along the sliding groove 1310 under the action of gravity and upward pulling force, so that the clamping plate 1200 is driven to rotate, and the I-shaped steel 2000 is clamped; the splayed sliding groove on the hanging block 1300 can enable the clamping plates 1200 on two sides to clamp the I-shaped steel 2000, so that balance is achieved without inclination. The hoisting block 1300 is used for hoisting, only one steel wire rope is needed for hoisting the hoisting block 1300, the hoisting steps are further simplified, and the hoisting efficiency is improved.

In this embodiment or other embodiments, a bottom edge of the sliding groove 1310 near the upper end is provided with a card slot 1311, and the hanging portion 1211 can be snapped into the card slot 1311. After the i-steel 2000 is put down, the hanging block 1300 falls down under the action of self gravity, the clamping plate 1200 is separated from the contact with the i-steel 2000 under the action of self gravity, the i-steel 2000 is released, the two hanging parts 1211 move oppositely along the sliding grooves 1310 so as to be clamped into the clamping grooves 1311 for temporary fixation, the clamping plate 1200 cannot press the i-steel 2000 again after the device is lifted again, and the use convenience of the device is improved.

In this embodiment or other embodiments, the hanging block 1300 is provided with a hanging slot 1320, and a steel wire rope passes through the hanging slot 1320 to lift the hanging block 1300. The stability between the wire rope and the hanging block 1300 is improved. An anti-slip device may be provided in the hanging groove 1320 to prevent the wire rope from slipping.

The technical effect of this embodiment lies in, this device simple structure need not the bolt fastening, only can play the fixed action to the I-steel by the pulling force to the I-steel when lifting by crane, easy operation, and the security is high.

Example two

As shown in fig. 4 and 5, in the i-steel hanger in the embodiment, on the basis of the technical solution in the above embodiment, a threaded hole 1110 is formed in the middle of the side surface of the supporting block 1100, and the two i-steel hangers can be connected by a double-threaded screw 1500.

Through this scheme of this embodiment, utilize double threaded screw 1500 to connect two I-steel hoists after, be favorable to hoisting longer I-steel, two I-steel hoists are as two fulcrums, make the focus of I-steel be located between two I-steel hoists, prevent the slope slip to improve the security.

When the lifting device is used, the two ends of the steel wire rope are respectively fixed to the lifting blocks 1300 of the two I-steel lifting appliances, and the two I-steel lifting appliances can be prevented from being close to or far away from each other due to the supporting effect of the double-head screw 1500 during lifting, so that the safety performance is improved.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A I-steel lifting appliance comprises a supporting block and two clamping plates, wherein the clamping plates are respectively hinged to two ends of the supporting block; the distance between the two clamping plates is smaller than the width of the I-shaped steel.

2. The i-steel spreader of claim 1, wherein the top surface of the clamping plate and the bottom surface of the support block are provided with anti-slip pads.

3. The I-steel lifting appliance according to claim 2, wherein the clamping plate is L-shaped, one end of the clamping plate is hinged to the supporting block, and the anti-skid pad is fixed to the upper side face of the other end of the clamping plate; when the bottom surface of the clamping plate is horizontally placed, the distance between the anti-skid pad on the clamping plate and the supporting block is not greater than the thickness of the side wing at the top of the I-shaped steel.

4. The I-steel lifting appliance according to claim 3, further comprising a lifting block, wherein the lifting block is in an inverted V shape, sliding grooves arranged along the two inclined edges of the lifting block are arranged on the two inclined edges, and the hanging part is connected with the sliding grooves in a sliding manner.

5. The I-steel lifting appliance according to claim 4, wherein a clamping groove is formed in the bottom edge of the sliding groove close to the upper end, and the hanging part can be clamped into the clamping groove.

6. The I-steel lifting appliance according to claim 5, wherein the lifting block is provided with a hanging groove, and a steel wire rope passes through the hanging groove to lift the lifting block.

7. The I-steel lifting appliance according to claim 1, wherein a threaded hole is formed in the middle of the side surface of the supporting block, and the two I-steel lifting appliances can be connected through a double-threaded screw.