阅读说明：本技术 一种c型钢提拉器 (C-shaped steel puller ) 是由 王春凯 李安训 尹峰峰 于 2019-10-30 设计创作，主要内容包括：本发明涉及提拉器技术领域,公开了一种C型钢提拉器。该提拉器包括主杆、副杆和突杆,主杆包括一体式结构的手柄和空心立杆,在接近手柄的立杆处沿立杆圆周开设数段滑道,所述立杆中间内壁上设有第一限位凸起；所述副杆安装于所述空心立杆内,所述副杆设有数个连接件,所述连接件穿出所述滑道并在所述连接件末端设有联动手环,所述联动手环可通过连接件拉动所述副杆沿所述滑道滑动,所述副杆设有一与所述第一限位凸起位置相对应的第一凹槽,所述第一凹槽内安装有第一复位弹簧,所述副杆末端具有圆形推头；所述突杆与所述空心立杆一体式设置,所述突杆为空心突杆,所述空心突杆内安装两个伸缩杆,所述伸缩杆中间位置开设第二凹槽,所述第二凹槽内安装有第二复位弹簧。该提拉器结构简单、工作效率高、能够避免安全事故的发生。(The invention relates to the technical field of pullers, and discloses a C-shaped steel puller. The lifting device comprises a main rod, an auxiliary rod and a protruding rod, wherein the main rod comprises a handle and a hollow upright rod which are of an integrated structure, a plurality of sections of slideways are arranged at the upright rod position close to the handle along the circumference of the upright rod, and a first limiting bulge is arranged on the inner wall in the middle of the upright rod; the auxiliary rod is installed in the hollow vertical rod and provided with a plurality of connecting pieces, the connecting pieces penetrate through the slide way, a linkage bracelet is arranged at the tail end of each connecting piece and can pull the auxiliary rod to slide along the slide way through the connecting pieces, the auxiliary rod is provided with a first groove corresponding to the first limiting protrusion, a first reset spring is installed in the first groove, and a circular pushing head is arranged at the tail end of the auxiliary rod; the protruding rod and the hollow upright rod are integrally arranged, the protruding rod is a hollow protruding rod, two telescopic rods are installed in the hollow protruding rod, a second groove is formed in the middle of each telescopic rod, and a second reset spring is installed in the second groove. The lifting device is simple in structure, high in working efficiency and capable of avoiding safety accidents.)

1. The utility model provides a C shaped steel lifting and drawing ware which characterized in that: the main rod comprises a handle and a hollow upright rod which are of an integrated structure, a plurality of sections of slideways are arranged at the upright rod position close to the handle along the circumference of the upright rod, and a first limiting bulge is arranged on the inner wall in the middle of the upright rod; the auxiliary rod is installed in the hollow vertical rod and provided with a plurality of connecting pieces, the connecting pieces penetrate through the slide way, a linkage bracelet is arranged at the tail end of each connecting piece and can pull the auxiliary rod to slide along the slide way through the connecting pieces, the auxiliary rod is provided with a first groove corresponding to the first limiting protrusion, a first reset spring is installed in the first groove, and a circular pushing head is arranged at the tail end of the auxiliary rod; the protruding rod and the hollow upright rod are integrally arranged, the protruding rod is a hollow protruding rod, two telescopic rods are installed in the hollow protruding rod, a second groove is formed in the middle of each telescopic rod, a second reset spring is installed in each second groove, and the circular pushing head can push the two telescopic rods to extend out.

2. The C-section steel puller of claim 1, wherein: the hollow upright rod is a hollow round tube, and the hollow protruding rod is a hollow round protruding rod.

3. The C-section steel puller of claim 1, wherein: the connecting plates are respectively welded on the protruding rods on two sides of the vertical rod, the distance rate between the two connecting plates is smaller than the width of the opening of the C-shaped steel, and the connecting plates are welded with wedge-shaped clamping plates.

4. The C-section steel puller of claim 1, wherein: the C-shaped steel anti-sway clamp comprises a C-shaped steel, and is characterized by further comprising two pin holes, an arc plate and a trapezoidal anti-sway clamp plate which are integrally arranged, wherein two side edges of the trapezoidal anti-sway clamp plate are just clamped into the C-shaped steel, the two pin holes are respectively formed in one side of the arc plate, a connecting pin column is welded at the joint of the vertical rod and the protruding rod, and the two pin holes are in interference fit with the connecting pin column.

5. The C-section steel puller of claim 4, wherein: the middle of the connecting pin column is provided with a second limiting bulge, the arc plate between the two pin holes is provided with a notch, and the notch is matched with the second limiting bulge.

Technical Field

The invention relates to a puller, in particular to a C-shaped steel puller.

Background

The C-shaped steel is widely used for purlins, wall beams, roof trusses and brackets of steel structure buildings, and can also be used for columns, beams, arms and the like in mechanical light industry manufacturing. The staff need often remove C shaped steel in the work progress, because C shaped steel itself is heavier and the corner is sharper, therefore causes the circumstances such as the difficulty of moving, personnel sprain or fish tail, damage other equipment to take place. So far, no effective measure is available to solve such problems.

In order to overcome the defects in the prior art, the invention provides the C-shaped steel puller which is safe and portable and can realize the operations of easy lifting, moving, hoisting and the like of the C-shaped steel.

Disclosure of Invention

The invention provides a C-shaped steel puller, aiming at solving the technical problem that C-shaped steel is difficult to move and pull in the prior art.

In order to solve the technical problems, the invention adopts the following technical scheme:

a C-shaped steel puller comprises a main rod, an auxiliary rod and a protruding rod, wherein the main rod comprises a handle and a hollow upright rod which are of an integrated structure, a plurality of sections of slideways are arranged at the upright rod position close to the handle along the circumference of the upright rod, and a first limiting bulge is arranged on the inner wall in the middle of the upright rod; the auxiliary rod is installed in the hollow vertical rod and provided with a plurality of connecting pieces, the connecting pieces penetrate through the slide way, a linkage bracelet is arranged at the tail end of each connecting piece and can pull the auxiliary rod to slide along the slide way through the connecting pieces, the auxiliary rod is provided with a first groove corresponding to the first limiting protrusion, a first reset spring is installed in the first groove, and a circular pushing head is arranged at the tail end of the auxiliary rod; the protruding rod and the hollow upright rod are integrally arranged, the protruding rod is a hollow protruding rod, two telescopic rods are installed in the hollow protruding rod, a second groove is formed in the middle of each telescopic rod, a second reset spring is installed in each second groove, and the circular pushing head can push the two telescopic rods to extend out.

According to the C-shaped steel puller, the linkage bracelet realizes the retraction and release of the telescopic rod through the circular pushing head at the tail end of the auxiliary rod, so that the telescopic rod is clamped into the opening of the C-shaped steel to realize the movement or the pulling of the C-shaped steel, and the first return spring and the second return spring assist in the resetting of the telescopic rod; through the tight C shaped steel of lever principle clamp, the work such as pulling removal, hoist and mount of the lifting of completion C shaped steel that can be stable, quick can improve work efficiency, and the staff's safety of being convenient for has avoided the emergence of incident.

Preferably, the hollow vertical rod provided by the invention is a hollow circular tube, and the hollow protruding rod is a hollow circular protruding rod.

The C-shaped steel puller further comprises two connecting pieces, the two connecting pieces are respectively welded on the protruding rods on the two sides of the vertical rod, the distance rate between the two connecting pieces is smaller than the opening width of the C-shaped steel, and the connecting pieces are welded with the wedge-shaped clamping plates. Two connection piece distances set up the purpose and make its card in C shaped steel opening, work as when protruding pole linkage is stretched out the card and is advanced in the C shaped steel opening, the mobile jib handle to the pulling of wedge cardboard direction makes wedge cardboard front end chucking C shaped steel opening upper end, with the telescopic link cooperation is strengthened the clamp tight to C shaped steel, can also prevent rocking of C shaped steel lifting and drawing ware from top to bottom simultaneously.

The C-shaped steel puller further comprises two pin holes, an arc-shaped plate and a trapezoidal anti-shaking clamping plate which are integrally arranged, wherein two side edges of the trapezoidal anti-shaking clamping plate are just clamped into the opening of the C-shaped steel, the trapezoidal anti-shaking clamping plate can effectively prevent the front end of the C-shaped steel puller from shaking left and right during operation, the two pin holes are respectively arranged on one side of the arc-shaped plate, a connecting pin column is welded at the joint of the vertical rod and the protruding rod, and the two pin holes are in interference fit with the connecting pin column.

Preferably, a second limiting protrusion is arranged in the middle of the connecting pin column, a notch is formed in the arc plate between the two pin holes, and the notch is matched with the second limiting protrusion.

Compared with the prior art, the C-shaped steel lifter provided by the invention clamps the C-shaped steel through the lever principle, and can stably and quickly finish operations such as lifting movement, lifting and the like of the C-shaped steel. According to the technical scheme, the C-shaped steel puller is simple in structure, high in working efficiency and capable of avoiding safety accidents.

Drawings

FIG. 1 is a schematic structural view of a C-section steel puller according to the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an exploded view of a C-section steel puller according to the present invention;

FIG. 4 is an enlarged view of FIG. 3 at B;

FIG. 5 is an enlarged view at C of FIG. 2;

FIG. 6 is a reference view showing a state of use of the C-section steel puller according to the present invention.

Detailed Description

The invention discloses a C-shaped steel puller, which can be realized by appropriately improving parts by persons skilled in the art with reference to the content. It is expressly intended that all such similar substitutes and modifications which would be obvious to those skilled in the art are deemed to be included in the invention. While the methods and applications of this invention have been described in terms of preferred embodiments, it will be apparent to those of ordinary skill in the art that variations and modifications in the methods and applications described herein, as well as other suitable variations and combinations, may be made to implement and use the techniques of this invention without departing from the spirit and scope of the invention.

The following detailed description of the invention refers to specific embodiments thereof for better understanding by those skilled in the art.

The invention provides a C-shaped steel puller, which comprises a main rod 1, an auxiliary rod 2 and a projecting rod 3, wherein the main rod comprises a handle 11 and a round tube hollow upright 12 which are of an integrated structure, a plurality of sections of slideways 13 are arranged at the upright close to the handle along the circumference of the upright, and a first limiting bulge (not shown) is arranged on the inner wall in the middle of the upright; the auxiliary rod 2 is installed in the hollow vertical rod 12, the auxiliary rod is provided with a plurality of connecting pieces 22, the connecting pieces 22 penetrate through the slide way 13, a linkage bracelet 21 is arranged at the tail end of each connecting piece, the linkage bracelet 21 can pull the auxiliary rod 2 to slide along the slide way 13 through the connecting pieces 22, the auxiliary rod 2 is provided with a first groove 24 corresponding to the first limiting protrusion position, a first return spring 25 is installed in the first groove 24, and the tail end of the auxiliary rod is provided with a circular pushing head 26; the protruding rod 3 and the hollow upright rod 12 are integrally arranged, the protruding rod 3 is a hollow circular protruding rod, two telescopic rods 31 are installed in the hollow protruding rod 3, a second groove 32 is formed in the middle of each telescopic rod, a second reset spring 33 is installed in each second groove 32, and the circular pushing head 26 can push the two telescopic rods 31 to extend out.

In a specific embodiment, the C-shaped steel puller provided by the invention further comprises two connecting pieces 51, the two connecting pieces are respectively welded on the protruding rods 3 on two sides of the vertical rod, the distance between the two connecting pieces 51 is slightly smaller than the width of the opening of the C-shaped steel, the distance between the two connecting pieces 51 is used for enabling the two connecting pieces 51 to be clamped in the opening of the C-shaped steel, and the connecting pieces are welded with wedge-shaped clamping plates 52.

In a preferred implementation, the C-shaped steel puller provided by the invention further comprises two pin holes 41, an arc-shaped plate 42 and a trapezoidal anti-shaking clamping plate 43 which are integrally arranged, two side edges of the trapezoidal anti-shaking clamping plate 43 are just clamped with the opening of the C-shaped steel, the two pin holes 41 are respectively arranged on one side of the arc-shaped plate 42, a connecting pin column 44 is welded at the joint of the upright rod 12 and the projecting rod 3, the two pin holes 41 and the connecting pin column 44 are in interference fit, a second limiting bulge 45 is arranged in the middle of the connecting pin column 44, a notch is arranged on the arc-shaped plate between the two pin holes, and the notch is matched with the second limiting bulge 45 to limit the arc-shaped plate 42.

During use, the C-shaped steel puller is moved to one end of C-shaped steel, one hand is placed on the handle of the 11 main rod, and the linkage bracelet 21 is pulled upwards, so that the telescopic rod 31 in the sudden rod is contracted in a linkage manner, the 3 limiting rod is placed in the opening of the C-shaped steel, then the linkage bracelet 21 is loosened, and the telescopic rod 31 extends in a linkage manner and is clamped in the opening of the C-shaped steel; the handle of the main rod 11 is pulled in the direction opposite to the trapezoidal anti-shaking clamping plate 43, so that the wedge-shaped clamping plate 52 and the telescopic rod 31 are matched to clamp the opening of the C-shaped steel, and the C-shaped steel can be moved to a specified position; after the movement is completed, the linked bracelet 21 is lifted upwards, the telescopic rod 31 is linked and contracted, and the C-shaped steel puller is taken away, so that the operation is completed.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.