Steel member hoisting clamp

Abstract

The utility model relates to a steel member hoisting clamp which comprises a left clamping plate and a right clamping plate which are symmetrically arranged in an X shape, the crossed position of the left clamping plate and the right clamping plate is hinged through a hinge bolt, and hook parts are arranged at the lower ends of the left clamping plate and the right clamping plate; shaft sleeves are arranged at the upper ends of the left clamping plate and the right clamping plate, pin shafts penetrate through the shaft sleeves, upper steel wire ropes and lower steel wire ropes are bound to the pin shafts, tooth clamping plates located above the hook parts are arranged at the lower ends of the left clamping plate and the right clamping plate, the tooth clamping plate on the left clamping plate and the left clamping plate are in an X shape, and the crossed positions are hinged through hinge bolts; the tooth clamping plate on the right clamping plate and the right clamping plate are in an X shape, the crossed positions are hinged through a hinge bolt, the front end of the tooth clamping plate is a tooth part opposite to the hook part, and the rear end of the tooth clamping plate is connected with the lower steel wire rope in a binding mode. The clamping device has the advantages that the tooth clamping plate is matched with the X-shaped left clamping plate and the X-shaped right clamping plate to clamp the steel member in an engaged manner, namely, the steel member is hooked and engaged at the same time, so that the stability and the safety during hoisting of the steel member are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of building engineering construction especially relates to a steel member hoisting clamp. BACKGROUND

[0002] There are a large number of I-beams used or processed in the construction site, and the I-beams need to be frequently hoisted by a crane during the use or processing of the I-beams. The hoisting method is usually to bundle the I-beams with a steel wire rope for hoisting, which is low in efficiency, time-consuming, and needs manual fastening of the steel wire rope, and has the possibility of I-beam falling and hurting people, and is low in safety factor.

[0003] Patent 201820508124.4 proposes an X-shaped I-beam hoisting clamp, which comprises a left clamping plate and a right clamping plate, the left clamping plate and the right clamping plate are arranged symmetrically in an X shape, the intersection of the left clamping plate and the right clamping plate is hinged by a hinge bolt, the upper end of the left clamping plate and the right clamping plate is connected with a metal shackle, the two metal shackles are fixedly connected with a lifting rope, the lower end of the left clamping plate and the right clamping plate is provided with a hook part, and the I-beam can be hooked when hoisting the I-beam, which eliminates the bundling step. Compared with the steel wire rope bundling hoisting method, the hoisting time can be significantly shortened, the work efficiency can be improved, manual fastening of the clamp is not needed, the possibility of I-beam falling and hurting people is reduced, and the safety factor is increased.

[0004] However, the hook part of the above-mentioned X-shaped I-beam hoisting clamp hooks the flange part of the I-beam, which is an open type hoisting, and if vibration occurs during transportation, there is a risk of falling, and the safety factor still needs to be improved.

[0005] Based on this, the present case is proposed. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at providing a steel member hoisting clamp, which improves the safety factor of the clamp on the basis of ensuring convenient hoisting.

[0007] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0008] A steel member hoisting clamp, which comprises a left clamping plate and a right clamping plate arranged symmetrically in an X shape, the intersection of the left clamping plate and the right clamping plate is hinged by a hinge bolt, the lower end of the left clamping plate and the right clamping plate is provided with a hook part, the upper end of the left clamping plate and the right clamping plate is provided with a shaft sleeve, a pin shaft is penetrated in the shaft sleeve, the pin shaft is bound with an upper steel wire rope and a lower steel wire rope, the lower end of the left clamping plate and the right clamping plate is provided with a tooth clamping plate above the hook part, the tooth clamping plate on the left clamping plate is in an X shape with the left clamping plate, and the intersection is hinged by a hinge bolt, the tooth clamping plate on the right clamping plate is in an X shape with the right clamping plate, and the intersection is hinged by a hinge bolt, the front end of the tooth clamping plate is a tooth part opposite to the hook part, and the rear end is bound and connected with the lower steel wire rope.

[0009] Further, the upper end of the left and right clamping plates is provided with two shaft sleeves, and the binding points of the upper and lower steel wires and the pin shaft are located between the two shaft sleeves after the pin shaft penetrates the two shaft sleeves.

[0010] Further, the shaft body of the pin shaft is provided with an upper perforation and a lower perforation, the upper steel wire and the pin shaft are bound by taking the upper perforation as a connecting point, and the lower steel wire and the pin shaft are bound by taking the lower perforation as a connecting point.

[0011] Further, the tail end of the tooth clamping plate is provided with a tail hole, and the lower steel wire and the tooth clamping plate are bound by taking the tail hole as a connecting point.

[0012] The utility model discloses a steel member hoisting clamp which comprises a left clamping plate, a right clamping plate, a shaft sleeve, a left upper steel wire, a left lower steel wire, a right upper steel wire, a right lower steel wire, a tooth clamping plate and a pin shaft. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structure schematic view of the steel member hoisting clamp in the embodiment;

[0014] Figure 2 It is a connection schematic view between the shaft sleeve on the upper end of the left clamping plate or the right clamping plate and the pin shaft and between the pin shaft and the steel wire in the embodiment;

[0015] Figure 3 It is a state schematic view when the steel member hoisting clamp hoists an I-steel in the embodiment;

[0016] MARK DESCRIPTION

[0017] 1, left clamping plate;2, right clamping plate;3, shaft sleeve;4, left upper steel wire;5, left lower steel wire;6, right upper steel wire;7, right lower steel wire;8, tooth clamping plate;801, tail hole;9, pin shaft;901, upper perforation;902, lower perforation;10, hoisting rope;11, steel member. DETAILED DESCRIPTION

[0018] The utility model makes further detailed description in combination with the embodiment, and need understanding is, the orientation or position relation that "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate in the text is based on the orientation or position relation shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and is not the indication or implication of the device or element that is indicated or implied must have the specific orientation, with the specific orientation structure and operation, therefore can not be understood as the restriction of the utility model.

[0019] As Figure 1 shown in the figure, the embodiment proposes a steel member hoisting clamp, which, like the prior art, comprises left and right clamping plates 1 and 2 arranged symmetrically in X shape, the intersection of the left and right clamping plates 1 and 2 is hinged by hinge bolts, and the lower ends of the left and right clamping plates 1 and 2 are each provided with a hook portion. Unlike the prior art, the upper ends of the left and right clamping plates 1 and 2 are each provided with a shaft sleeve 3, a pin shaft 9 is inserted into the shaft sleeve 3, the pin shaft 9 at the left clamping plate 1 is tied with a left upper steel wire rope 4 and a left lower steel wire rope 5, and the pin shaft 9 at the right clamping plate 2 is tied with a right upper steel wire rope 6 and a right lower steel wire rope 7. One end of the left upper steel wire rope 4 is tied and connected with the pin shaft 9 on the left clamping plate 1, and the other end is connected with a hoisting rope 10 of a hoisting machine, and one end of the right upper steel wire rope is tied and connected with the pin shaft 9 on the right clamping plate 2, and the other end is connected with the hoisting rope 10 of the hoisting machine. The lower ends of the left and right clamping plates 1 and 2 are each provided with a toothed clamping plate 8 located above the hook portion, the toothed clamping plate 8 on the left clamping plate 1 is in X shape with the left clamping plate 1, and the intersection is hinged by hinge bolts, the toothed clamping plate 8 on the right clamping plate 2 is in X shape with the right clamping plate 2, and the intersection is hinged by hinge bolts, and the front end of the toothed clamping plate 8 is a tooth portion opposite to the hook portion. One end of the left lower steel wire rope 5 is tied and connected with the pin shaft 9 at the left clamping plate 1, and the other end is tied and connected with the rear end of the toothed clamping plate 8 at the left clamping plate 1; one end of the right lower steel wire rope 7 is tied and connected with the pin shaft 9 at the right clamping plate 2, and the other end is tied and connected with the rear end of the toothed clamping plate 8 at the right clamping plate 2.

[0020] As Figure 3 shown, in use, the upper flange of the I-beam is located between the toothed clamping plate 8 and the hook portion, the hoisting rope 10 is pulled upward, under the action of the gravity of the I-beam, the left and right clamping plates 1 and 2 are closed to clamp the I-beam, the hook portion hooks the lower side of the upper flange of the I-beam, and at the same time, in the process of pulling the hoisting rope 10 upward, the left and right lower steel wire ropes 5 and 7 also move upward, driving the tooth portion of the toothed clamping plate 8 to rotate toward the hook portion, cooperating with the hook portion to bite the upper flange of the I-beam, greatly improving the stability during hoisting and transportation.

[0021] As preferred, as Figure 2 shown, two shaft sleeves 3 are provided at the upper end of the left and right clamping plates 1 and 2, the pin shaft 9 is inserted into the two shaft sleeves 3, and the tying points of the upper and lower steel wire ropes with the pin shaft 9 are located between the two shaft sleeves 3, so that the pin shaft 9 can be prevented from slipping out of the shaft sleeve 3. To improve the stability of the tying, the shaft body of the pin shaft 9 is provided with an upper through hole 901 and a lower through hole 902, the upper steel wire rope is tied with the pin shaft 9 at the upper through hole 901 as the connection point, and the lower steel wire rope is tied with the pin shaft 9 at the lower through hole 902 as the connection point. To further improve the stability of the tying, the tail end of the toothed clamping plate 8 is provided with a tail hole 801, and the left and right lower steel wire ropes 5 and 7 are tied with the toothed clamping plate 8 at the tail hole 801 as the connection point.

[0022] The above examples are only used to explain the concept of the present application, and are not intended to limit the scope of protection of the present application. Any non-essential changes made to the present application using this concept shall fall within the scope of protection of the present application.

Claims

1. A steel member hoisting clamp, comprising a left clamp plate and a right clamp plate symmetrically arranged in an X shape, the intersection of the left clamp plate and the right clamp plate being hinged by a hinge bolt, and the lower end of the left clamp plate and the right clamp plate each being provided with a hook portion, characterized in that: the upper end of the left clamp plate and the right clamp plate is each provided with a shaft sleeve, a pin shaft is passed through the shaft sleeve, the pin shaft is tied with an upper steel wire and a lower steel wire, the lower end of the left clamp plate and the right clamp plate is each provided with a tooth clamp plate above the hook portion, the tooth clamp plate on the left clamp plate is in an X shape with the left clamp plate, and the intersection is hinged by a hinge bolt, the tooth clamp plate on the right clamp plate is in an X shape with the right clamp plate, and the intersection is hinged by a hinge bolt, the front end of the tooth clamp plate is a tooth portion opposite to the hook portion, and the rear end is tied with the lower steel wire. The shaft sleeve of the upper end of the left clamp plate and the right clamp plate is provided with two, and the pin shaft is passed through the two shaft sleeves, and the tying point between the upper and lower steel wires and the pin shaft is between the two shaft sleeves.

2. A steel member hoisting clamp according to claim 1, wherein The shaft body of the pin shaft is provided with an upper through hole and a lower through hole, the upper steel wire and the pin shaft are tied with the upper through hole as the connecting point, and the lower steel wire and the pin shaft are tied with the lower through hole as the connecting point.

3. A steel member hoisting clamp according to claim 1, wherein The tail end of the tooth clamp plate is provided with a tail hole, and the lower steel wire and the tooth clamp plate are tied with the tail hole as the connecting point.

4. A steel member hoisting clamp according to claim 1, wherein ​

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