CN212982329U

CN212982329U - Safety device for electric power engineering operation

Info

Publication number: CN212982329U
Application number: CN202021671807.5U
Authority: CN
Inventors: 田雅丽; 王珂
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-04-16
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses a safety device for electric power engineering operation relates to high altitude construction safety protection technical field, including fixed pulley and movable pulley, each swing joint in middle part of fixed pulley and movable pulley has bearing and pivot, the both ends fixedly connected with gallows of pivot, the top swing joint of gallows has rings, two grooving have respectively been seted up with the outside of movable pulley to the fixed pulley, the inboard swing joint of grooving has the rope, the one end fixedly connected with knot of rope, the outside swing joint of rope has the elasticity to press from both sides. This safety device for electric power engineering operation utilizes the movable pulley principle to reduce the effort of climbing to the fourth of original, greatly reduced the degree of difficulty of climbing, and the rope has the guard action naturally, and small light in weight, convenient to carry, the installation is simple, has saved the preparation time greatly, can also reduce the staff that the operation needs simultaneously, and the production and assembly cost is not high.

Description

Safety device for electric power engineering operation

Technical Field

The utility model relates to an aerial working safety protection technical field specifically is a safety device is used in electric power engineering operation.

Background

In electric power engineering work, maintenance and repair of high-voltage electric wires on utility poles are often required. The height-adjustable safety protection device has the advantages that the height-adjustable safety protection device is more than 2 meters away from the ground, has falling risks and belongs to the category of high-altitude operation according to related national regulations, so that the safety protection device is required to be matched for safety protection.

In chinese utility model patent application no: CN201820471214.0 discloses a safety device for electric power engineering operation, this safety device for electric power engineering operation, including guardrail, montant and horizontal pole, set up the recess on the horizontal pole, the opening part of recess sets and sets the buckle closure that can open or close the recess, is equipped with the elasticity protecting wire net in the recess, the recess internal rotation is connected with the wind-up roll, even there is the rolling torsional spring between the tip of wind-up roll and the horizontal pole, the rear end and the wind-up roll fixed linking to each other of elasticity protecting wire net, the front end of elasticity protecting wire net is equipped with detains the area, and after the use, loosens and detains the area, and the rolling torsional spring resets and drives the wind-up roll rotation to with the elasticity protecting wire net around on. Through the setting of wind-up roll and rolling torsional spring, the wind-up roll can carry out automatic rolling to elasticity protecting wire net, saves the operation of artifical rolling, convenient to use, and the winding of elasticity protecting wire net one deck layer is on the wind-up roll, can not the jam in the recess, when using once more, direct pulling elasticity protecting wire net can, convenient to use. This safety device for electric power engineering operation, under the limited condition of operation staff, it still has bulky, carries and installs all inconvenient shortcoming.

Therefore, it is necessary to provide a safety protection device for power engineering work to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a safety device is used in electric power engineering operation to solve the current safety device is used in electric power engineering operation that proposes in the above-mentioned background art, under the limited circumstances of operation staff, it still has bulky, the equal inconvenient problem of transport and installation.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a safety protection device for electric power engineering operation comprises a fixed pulley and a movable pulley, wherein shaft holes are respectively formed in the middle parts of the fixed pulley and the movable pulley, bearings are movably connected to two ends of each shaft hole, balls are movably connected to the middle parts of the bearings, a rotating shaft is movably connected to the inner side of each bearing, hanging frames are fixedly connected to two ends of each rotating shaft, a hanging groove is formed in the top of each hanging frame, a fixing piece is movably connected to the bottom end of each hanging groove, a hanging rod is fixedly connected to the top side of each fixing piece, a hanging ring is fixedly connected to the top end of each hanging rod, two rope grooves are respectively formed in the outer sides of the fixed pulley and the movable pulley, a rope is movably connected to the inner side of each rope groove, a rope buckle is fixedly connected to one end of the rope, a hanging ring is fixedly connected to one end of each rope buckle, an, the middle part of the elastic clamp is movably connected with a hinge shaft, the bottom of the hinge shaft is movably connected with a spring, the inner side of the elastic clamp is fixedly connected with a plurality of clamping needles, and one side of the elastic clamp is fixedly connected with a magnet.

Preferably, the fixed pulley, the movable pulley and the hanger are all made of stainless steel materials and have smooth surfaces.

Preferably, the rope is a hemp rope, and the rope is wound in four rope grooves of the movable pulley and the fixed pulley in total.

Preferably, the bearing is a deep groove ball bearing, and the inner diameter and the outer diameter of the bearing are respectively matched with the rotating shaft and the shaft hole.

Preferably, the number of the magnets is four, the magnets are attached to the side face of the elastic clamp and are adaptive in shape, and the direction of the clamping needle is perpendicular to the inner surface of the elastic clamp.

Preferably, the rings of the fixed pulleys are movably connected at a high position, and the rings of the movable pulleys and the hanging rings of the rope buckles are movably connected to the belt buckle of a constructor.

Preferably, the hanger rod is matched with the hanging slot, and the diameter of the fixing piece is larger than that of the hanger rod.

(III) advantageous effects

Compared with the prior art, the utility model provides a safety device is used in electric power engineering operation possesses following beneficial effect:

1. this safety device for electric power engineering operation has set up a set of assembly pulley including fixed pulley and movable pulley, and the rope twines twice on the fixed pulley, utilizes the movable pulley principle to reduce the power of climbing to the quarter originally, greatly reduced the degree of difficulty of climbing, and the rope has the guard action naturally, has effectively reduced high altitude construction's risk.

2. This safety device for electric power engineering operation, primary structure include fixed pulley, movable pulley, rope and elasticity clamp, small light in weight, convenient to carry, the installation is simple, has saved the preparation time of electric power engineering operation greatly, can also reduce the staff that the operation needs simultaneously, and the production and assembly cost is not high, is favorable to promoting.

Drawings

Fig. 1 is an isometric view of the present invention;

FIG. 2 is an isometric view of a fixed sheave arrangement;

FIG. 3 is a cross-sectional isometric view of the pulley structure;

FIG. 4 is an enlarged view of area A of FIG. 3;

figure 5 is an isometric view of a spring clip construction.

In the figure: 1. a fixed pulley; 2. a movable pulley; 3. a rope; 4. rope grooves; 5. a hanger; 6. a rotating shaft; 7. a boom; 8. a hoisting ring; 9. a bearing; 10. a ball bearing; 11. hanging a groove; 12. a fixing sheet; 13. an elastic clip; 14. a spring; 15. hanging a ring; 16. a rope fastener; 17. a handle; 18. a hinge shaft; 19. a magnet; 20. clamping a needle; 21. and the shaft hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a safety protection device for electric power engineering operation comprises a fixed pulley 1 and a movable pulley 2, wherein the fixed pulley 1 and the movable pulley 2 are respectively provided with a shaft hole 21 at the middle part, both ends of the shaft hole 21 are movably connected with bearings 9, the middle part of the bearings 9 is movably connected with balls 10, the inner side of the bearings 9 is movably connected with a rotating shaft 6, the bearings 9 are deep groove ball bearings, the inner diameter and the outer diameter of the bearings 9 are respectively matched with the rotating shaft 6 and the shaft hole 21, so as to be beneficial to reducing friction, both ends of the rotating shaft 6 are fixedly connected with a hanger 5, the fixed pulley 1, the movable pulley 2 and the hanger 5 are made of stainless steel and have smooth surfaces, so as to be beneficial to reducing friction, the top part of the hanger 5 is provided with a hanging groove 11, the bottom end of the hanging groove 11 is movably connected with a fixing piece 12, the top side of the fixing piece 12 is fixedly connected with a, the inner side of the rope groove 4 is movably connected with a rope 3, the rope 3 is a hemp rope, the cost is low, the rope 3 is wound in four rope grooves 4 of a movable pulley 2 and a fixed pulley 1, the rope 3 is wound on the fixed pulley 1 twice, the climbing force is reduced to one fourth originally by utilizing the principle of the movable pulley 2, the climbing difficulty is greatly reduced, the rope 3 naturally has a protective effect, the risk of high-altitude operation is effectively reduced, one end of the rope 3 is fixedly connected with a rope buckle 16, one end of the rope buckle 16 is fixedly connected with a hanging ring 15, a hanging ring 8 of the fixed pulley 1 is movably connected at a high position, the hanging ring 8 of the movable pulley 2 and the hanging ring 15 of the rope buckle 16 are movably connected on a waistband buckle of a constructor, the safety is protected, the outer part of the rope 3 is movably connected with an elastic clamp 13, the bottom of the elastic clamp 13 is provided with two grab handles 17, the middle part of the elastic, the bottom of the hinge shaft 18 is movably connected with a spring 14, the inner side of the elastic clamp 13 is fixedly connected with a plurality of clamping needles 20, the directions of the clamping needles 20 are all perpendicular to the inner surface of the elastic clamp 13, the elastic clamp 13 is fixed on the rope 3, one side of the elastic clamp 13 is fixedly connected with a magnet 19, the four magnets 19 are separated by the hinge shaft 18, the magnet 19 is attached to the side surface of the elastic clamp 13, the shape of the magnet is matched, the elastic clamp 13 is attached to the stainless steel movable pulley 2 and the hanger 5 by utilizing magnetic force, the main structure is small in size, light in weight, convenient to carry and simple to install, the preparation time of electric power engineering operation is greatly saved, meanwhile, the labor required by the operation can be reduced, the production and assembly cost is low, and the.

The working principle is as follows: the utility model relates to a pulley block device for electric power engineering high altitude construction, have the effect of supplementary climbing, during the use, twine rope 3 in rope groove 4 of fixed pulley 1 and movable pulley 2, then hang fixed pulley 1 in the eminence with the long pole, the one end of rope 3 is held in hand, the other end passes through link 15 on the rope fastening 16, twine on the waistband fastening together with rings 8 of movable pulley 2, rings 8 can rotate to self-adaptation its angle, rope 3 twines twice on fixed pulley 1, therefore the effort when climbing is reduced to original fourth, bearing 9 and smooth rope groove 4 outside pivot 6 help reducing friction simultaneously, the constructor pulls rope 3 in the hand can climb upwards, reach the preset position and clamp elastic clamp 13 on rope 3, the elasticity of spring 14 makes the card needle 20 on the elastic clamp 13 imbed inside rope 3, the magnet 16 on the side of the elastic clamp 13 can help the elastic clamp 13 to be fixed on one side of the movable pulley 2 and the hanger 5, so that the position of the rope 3 is fixed without slipping, and the effect of protecting the safety of a user is achieved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a safety device for electric power engineering operation, includes fixed pulley (1) and movable pulley (2), its characterized in that: the middle parts of the fixed pulley (1) and the movable pulley (2) are respectively provided with a shaft hole (21), two ends of the shaft hole (21) are respectively movably connected with a bearing (9), the middle part of the bearing (9) is movably connected with a ball (10), the inner side of the bearing (9) is movably connected with a rotating shaft (6), two ends of the rotating shaft (6) are fixedly connected with a hanger (5), the top of the hanger (5) is provided with a hanging groove (11), the bottom end of the hanging groove (11) is movably connected with a fixing piece (12), the top side of the fixing piece (12) is fixedly connected with a hanging rod (7), the top end of the hanging rod (7) is fixedly connected with a hanging ring (8), the outer sides of the fixed pulley (1) and the movable pulley (2) are respectively provided with two rope grooves (4), the inner side of each rope groove (4) is movably connected with a rope (3), and one end, the one end fixedly connected with link (15) of rope fastening (16), the outside swing joint of rope (3) has elasticity to press from both sides (13), the bottom that elasticity pressed from both sides (13) is equipped with two grab handles (17), the middle part swing joint that elasticity pressed from both sides (13) has hinge (18), the bottom swing joint of hinge (18) has spring (14), a plurality of card needles (20) of inboard fixedly connected with of elasticity clamp (13), one side fixedly connected with magnet (19) of elasticity clamp (13).

2. The safety protection device for electric power engineering operation according to claim 1, characterized in that: the fixed pulley (1), the movable pulley (2) and the hanger (5) are all made of stainless steel materials and have smooth surfaces.

3. The safety protection device for electric power engineering operation according to claim 1, characterized in that: the rope (3) is a hemp rope, and the rope (3) is wound in four rope grooves (4) of the movable pulley (2) and the fixed pulley (1).

4. The safety protection device for electric power engineering operation according to claim 1, characterized in that: the bearing (9) is a deep groove ball bearing, and the inner diameter and the outer diameter of the bearing (9) are respectively matched with the rotating shaft (6) and the shaft hole (21).

5. The safety protection device for electric power engineering operation according to claim 1, characterized in that: the four magnets (19) are attached to the side face of the elastic clamp (13) and are adaptive in shape, and the direction of the clamping needle (20) is perpendicular to the inner surface of the elastic clamp (13).

6. The safety protection device for electric power engineering operation according to claim 1, characterized in that: rings (8) of the fixed pulleys (1) are movably connected at a high position, and the rings (8) of the movable pulleys (2) and hanging rings (15) of the rope buckles (16) are movably connected to the belt buckle of a constructor.

7. The safety protection device for electric power engineering operation according to claim 1, characterized in that: the hanger rod (7) is matched with the hanger groove (11), and the diameter of the fixing piece (12) is larger than that of the hanger rod (7).