CN108178059B - A kind of splint type support and spreader - Google Patents

Abstract

The invention discloses a splint-type supporting sling, which includes several splints, several axial lifting eye bolts, several anti-slip fixing bolts and several load-bearing high-strength bolts. Several axial lifting eye bolts pass through and are fixed. Connect the upper right ends of several splints, which sandwich the triangular coupling plates in the middle. Several anti-slip fixing bolts pass through and securely connect the lower ends of several plywood and the lower ends of the triangular coupling plates. Several load-bearing high-strength bolts pass through and securely connect several At the lower end of the plywood, several load-bearing high-strength bolts are located under the triangular joint plate. When used in conjunction with the triangular coupling plate, the present invention can lift the entire insulator string at one time. The operation steps are simple, the work efficiency is high, and the entire insulator string can be installed in place at one time. The invention opens an arc section to avoid the top of the triangular coupling plate. The fixed holes facilitate the staff to smoothly hook the moving triangular joint plate, and the design is clever.

Description

A kind of splint type support and spreader

Technical field

The invention relates to a splint-type support and spreader, belonging to the technical field of support and spreaders.

Background technique

At present, the suspension insulator strings of super-large transmission lines spanning tower conductors, the tension insulator strings of anchor towers, and the tension tower conductor insulator strings of ±1100kV UHV DC transmission lines are overlong and overweight. Affected by the tower cross-arm structure and insulator string structure, when When the distance between the axes of the two pulleys of the lifting pulley group reaches the minimum allowable distance, it is still impossible to install the entire insulator string in place at one time. The lifting method of step-by-step lifting and high-altitude splicing must be used. There are many operating steps, high safety risks, and low construction efficiency. In order to solve the overall one-time suspension installation problem, it is necessary to design a safe and reliable suspension auxiliary spreader to improve the comfort of the installation operation. At the same time, the designed spreader must be light, small, and detachable to meet the turnover needs of subsequent installation operations.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide a splint-type support and spreader with strong load-bearing strength.

In order to achieve the above object, the present invention provides a splint-type supporting sling, which includes a number of splints, a number of shaft-type lifting eye bolts, a number of anti-slip fixing bolts and a number of load-bearing high-strength bolts. The upper left end of the splint is provided with a matching The arc section of the fixed hole at the top of the triangular coupling plate is passed through and fixedly connected to the upper right ends of several of the splints by several shaft-type lifting eye bolts. Several of the splints sandwich the triangular coupling plate in the middle to prevent slipping. Fixing bolts pass through and are fixedly connected to the lower ends of several plywood and triangular coupling plates. Several high-strength load-bearing bolts pass through and are fixedly connected to the lower ends of several plywood plates. Several high-strength load-bearing bolts are located below the triangular coupling plates. .

Preferably, two splints are included.

Preferably, it includes four anti-slip fixing bolts, the four anti-slip fixing bolts are arranged in a row at equal intervals, and the four anti-slip fixing bolts are symmetrical about the vertical symmetry axis of the triangular coupling plate.

Preferably, a U-line segment is provided at the lower end of the splint, that is, between several of the load-bearing high-strength bolts.

Preferably, a straight section is provided at the lower right end of the splint.

Preferably, the splint material is Q345.

Beneficial effects achieved by the present invention:

When used in conjunction with the triangular coupling plate, the present invention can lift the entire insulator string at one time. The operation steps are simple, the work efficiency is high, and the entire insulator string can be installed in place at one time. The invention opens an arc section to avoid the top of the triangular coupling plate. The fixed holes are convenient for workers to smoothly hook the movable triangular joint plate, and the design is clever; the high-strength bolts are 12.9-grade high-strength bolts, which mainly bear the dead weight load of the insulator string and the hardware string, and transfer the load to the plywood. The structure is stable and the load-bearing capacity is high. Strong; the anti-slip fixing bolts are 12.9-grade high-strength bolts, and the fixed splint ensures that the entire spreader does not slip during use, protecting the safety of workers.

Description of the drawings

Figure 1 is a front view and a side view of the present invention;

Figure 2 is a front view of the present invention and the connection with the triangular coupling plate;

Figure 3 is a front view of the connection between the present invention and the triangular coupling plate.

The meaning of the marks in the attached drawings is as follows: 1-plywood; 2-shaft lifting eye bolt; 3-anti-slip fixed bolt; 4-load-bearing high-strength bolt; 5-moving pulley of lifting tackle; 6-triangular joint plate; 7-lifting tackle Set of earrings; 8-arc segment; 9-straight line segment; 10-U line segment.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, but cannot be used to limit the scope of protection of the present invention.

Embodiment 1

A splint-type supporting spreader, including two splints 1, a shaft-type lifting eye bolt 2, four anti-slip fixing bolts 3 and two load-bearing high-strength bolts 4. The upper left end of the splint 1 is provided with a matching triangular connecting plate 6 The arc section 8 of the top fixing hole, the shaft-type lifting eye bolt 2 passes through and is fixedly connected to the upper right end of the two plywood plates 1, and the two plywood plates 1 sandwich the triangular connecting plate 6 in the middle, four anti-slip The fixing bolts 3 pass through and are fixedly connected to the lower ends of the two plywood plates 1 and the lower ends of the triangular coupling plates 6. The two high-strength load-bearing bolts 4 pass through and are fixedly connected to the lower ends of the two plywood plates 1. The high-strength load-bearing bolts 4 are located at Below the triangular joint plate 6.

Further, it includes four anti-slip fixing bolts 3, the four anti-slip fixing bolts 3 are arranged in a row at equal intervals, and the four anti-slip fixing bolts 3 are symmetrical about the vertical symmetry axis of the triangular joint plate.

Furthermore, a U line segment 10 is opened between the lower end of the clamping plate 1 and the high-strength load-bearing bolts 4 .

Furthermore, a straight section 9 is provided at the lower right end of the splint 1 .

Furthermore, the splint 1 is made of Q345 steel, and the suspension auxiliary spreader is made of Q345 steel, which has high load-bearing strength and the overall weight is controlled at about 10kg, making it easy to disassemble and transfer at high altitude.

The load-bearing high-strength bolts are 12.9-grade high-strength bolts, which mainly bear the dead weight load of the insulator string and the hardware string, and transfer the load to the plywood. It consists of high-strength screws, nuts, and anti-loosening spring washers.

The anti-slip fixing bolt is a 12.9-grade high-strength bolt. It is composed of a high-strength screw rod, a nut, and an anti-loosening spring washer. It mainly fixes the splint to ensure that the entire spreader does not slip during use.

Embodiment 2

A plywood-type support spreader, including four plywood 1, two shaft-type lifting eye bolts 2, eight anti-slip fixing bolts 3 and four load-bearing high-strength bolts 4. The upper left end of the plywood 1 is provided with a top end of a matching triangular connecting plate 6 In the arc section 8 of the fixing hole, two shaft-type lifting eye bolts 2 pass through and are fixedly connected to the upper right end of the four splints 1. The four splints 1 sandwich the triangle connecting plate 6 in the middle, and eight anti-slip fixing bolts 3 pass through. The lower ends of the four splints 1 and the lower ends of the triangular coupling plates 6 are fixedly connected. Four high-strength load-bearing bolts 4 pass through and are fixedly connected to the lower ends of the four plywood plates 1 . The four high-strength load-bearing bolts 4 are located below the triangular coupling plate 6 .

Further, it includes four anti-slip fixing bolts 3, the four anti-slip fixing bolts 3 are arranged in a row at equal intervals, and the four anti-slip fixing bolts 3 are symmetrical about the vertical symmetry axis of the triangular joint plate.

Furthermore, a U-line segment 10 is opened at the lower end of the splint 1, that is, between the four load-bearing high-strength bolts 4.

Furthermore, a straight section 9 is provided at the lower right end of the splint 1 .

Further, the material of the plywood 1 is Q345 steel.

The load-bearing high-strength bolts are 12.9-grade high-strength bolts, which mainly bear the dead weight load of the insulator string and the hardware string, and transfer the load to the plywood. It consists of high-strength screws, nuts, and anti-loosening spring washers.

The anti-slip fixing bolt is a 12.9-grade high-strength bolt. It is composed of a high-strength screw rod, a nut, and an anti-loosening spring washer. It mainly fixes the splint to ensure that the entire spreader does not slip during use.

The hoisting tackle group earrings 7 are set on the shaft-type lifting eye bolts 2. Eight anti-slip fixing bolts 3 and four load-bearing high-strength bolts 4 support the delta joint plate 6. The eight anti-slip fixing bolts 3 ensure that the delta joint is secure during work. Board 6 will not slip, thus protecting the safety of workers.

The above are only preferred embodiments of the present invention. It should be noted that those of ordinary skill in the art can also make several improvements and modifications without departing from the technical principles of the present invention. These improvements and modifications It should also be regarded as the protection scope of the present invention.

Claims (4)

1. The clamping plate type bearing lifting appliance is characterized by comprising a plurality of clamping plates (1), a plurality of shaft type lifting lug bolts (2), a plurality of anti-slip fixing bolts (3) and a plurality of bearing high-strength bolts (4),

a plurality of shaft type lifting lug bolts (2) penetrate through and are fixedly connected with the right upper ends of a plurality of clamping plates (1),

the triangular connecting plate (6) is clamped in the middle by the clamping plates (1), the anti-slip fixing bolts (3) penetrate through and are fixedly connected with the lower ends of the clamping plates (1) and the lower ends of the triangular connecting plate (6),

a plurality of bearing high-strength bolts (4) penetrate through and are fixedly connected with the lower ends of a plurality of clamping plates (1),

the bearing high-strength bolts (4) are positioned below the triangular yoke plates (6);

the upper left end of the clamping plate (1) is provided with an arc section (8) matched with a fixing hole at the top end of the triangular yoke plate (6), and the lower end of the clamping plate (1), namely a plurality of U-shaped sections (10) are arranged among the bearing high-strength bolts (4);

the right lower end of the clamping plate (1) is provided with a straight line section (9).

2. A clamp plate bearing spreader according to claim 1, characterized in that it comprises two clamp plates (1).

3. A clamping plate type bearing lifting appliance according to claim 1, comprising four anti-slip fixing bolts (3), wherein the four anti-slip fixing bolts (3) are arranged in a row at equal intervals, and the four anti-slip fixing bolts (3) are symmetrical about the vertical symmetry axis of the triangular yoke plate.

4. A clamping plate type bearing lifting appliance according to claim 1, wherein the clamping plate (1) is made of Q345.