CN210828401U

CN210828401U - Automatic anti-falling device for operation of power transmission line iron tower

Info

Publication number: CN210828401U
Application number: CN201920929220.0U
Authority: CN
Inventors: 褚德海; 褚天舒; 姚型旭; 周义民
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-06-23
Anticipated expiration: 2029-06-19

Abstract

An automatic anti-falling device for the operation of a power transmission line iron tower. The anti-falling device mainly solves the problems of high investment, complex operation and inflexible use of the conventional anti-falling device for the operation of the power transmission tower. The method is characterized in that: the end part of a fixed shaft of the rope winder (1) is connected with a fixed seat (3) through a connecting plate (2), the fixed seat (3) is L-shaped, one end of the fixed seat is connected with a clamping plate A (4) through a screw, the other end of the fixed seat is connected with a clamping plate B (6) through a screw, buckles are respectively arranged on the clamping plate A (4) and the clamping plate B (6), and the directions of the buckles face towards the fixed seat (3); the other side of the buckle on the clamping plate B (6) is connected with a controller (5), and the bottom of the clamping plate B (6) is connected with a turning wheel device (8) through a turning wheel connecting plate (7). The automatic anti-falling device for the operation of the power transmission line iron tower can be repeatedly used, and has the advantages of low cost, flexible and convenient operation and wide application range.

Description

Automatic anti-falling device for operation of power transmission line iron tower

Technical Field

The utility model relates to an electric power field, a transmission line iron tower operation anti-falling device specifically says so.

Background

At present, domestic power transmission line construction or maintenance work, the tower climbing operation personnel mostly adopt the mode of bare-handed climbing to climb up and down the iron tower, lack effective safety protection measures, and when the physical strength of the operation personnel descends or the misoperation is once lost or stepped on the slip, serious casualty accidents can occur. In recent years, rail type anti-falling devices are installed in some areas, although the rail type anti-falling devices can play a certain protection role, each iron tower needs to be provided with one rail type anti-falling device, so that the rail type anti-falling device is large in investment, high in maintenance cost, complex in operation, inflexible in use and influenced by external factors such as corrosion deformation, and therefore the rail type anti-falling device is low in practicability and not widely applied.

Disclosure of Invention

In order to overcome the not enough of current steel pylons operation anti-falling device investment big, complex operation, use inflexible, the utility model provides a transmission line iron tower operation automatic anti-falling device, this transmission line iron tower operation automatic anti-falling device repeatedly usable, with low costs, the flexible operation is convenient, and application scope is wide.

The technical scheme of the utility model is that: an automatic anti-falling device for the operation of a power transmission line iron tower comprises a rope winder, wherein the end part of a fixed shaft of the rope winder is connected with a fixed seat through a connecting plate, the fixed seat is L-shaped, one end of the fixed shaft is connected with a clamping plate A through a screw, the other end of the fixed shaft is connected with a clamping plate B through a screw, buckles are respectively arranged on the clamping plate A and the clamping plate B, and the directions of the buckles are both towards the fixed seat; the other side of the buckle on the clamping plate B is connected with a controller, and the bottom of the clamping plate B is connected with a turning wheel device through a turning wheel connecting plate;

the anti-falling hook is characterized by further comprising an anti-falling ring, wherein the anti-falling ring body is L-shaped, the upper part of one end of the anti-falling ring body is connected with a hanging ring, one side of the main body at the bottom of the hanging ring is connected with a locking plate, and the other end of the main body is provided with a hook.

The controller comprises a controller seat, the controller seat is connected to the clamping plate B through a bolt, a locking plate rotating shaft and a locking head fixing shaft are respectively connected to the controller seat, a blocking piece and a locking plate with an n-shaped section are sequentially connected to the locking plate rotating shaft from right to left, a locking head is arranged between two side plates of the locking plate, the upper surface of the locking head is arc-shaped, sawteeth are arranged on the arc-shaped surface, and the lower end of the locking head is connected to the locking head fixing shaft; the bottom of the upper separation blade of the controller seat is provided with a limiting pin, the limiting pin is connected to the controller seat through a spring, a limiting groove is formed in the position, corresponding to the limiting pin, of the right side wall of the separation blade, and a reset spring is embedded in the separation blade.

The right side of separation blade bottom is equipped with the inclined plane.

The turning wheel device comprises a left side plate and a right side plate, the right side plate is fixed on the turning wheel connecting plate through bolts, the lower edge of the right side plate is connected with the left side plate through a curved baffle, screw rods are respectively penetrated on the left side plate and the right side plate, one ends of the two screw rods, which are close to the middle part, are respectively connected with a left turning wheel and a right turning wheel through bearings, and springs are sleeved on the screw rods between the turning wheels and the side plates.

The locking plate is in a hook shape, and the bottom edge of the upper half part of the hook is flush with the bottom surface of the L-shaped upper half part of the anti-falling ring.

The inner surface of the upper half part of the anti-falling ring is embedded with a strong magnetic sheet.

The utility model discloses following beneficial effect has: by adopting the scheme, the anti-falling device adopts the ground device combined with the external hanging anti-falling ring, and the device can be completely detached and retracted after the tower climbing operator works, so that the anti-falling device is convenient to carry and store and can be repeatedly used; any fixing equipment does not need to be installed on the iron tower, and the structure of the iron tower is not changed; the operation is convenient, and the climbing operation of operators is not influenced; one set of anti-falling device is provided with anti-falling rings with various types, so that the problem of safe anti-falling of iron towers with all specifications can be solved, and the application range is wide; meanwhile, through multiple experiments, the falling prevention success rate is 100%, and the performance is safe and reliable.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a left side view of the present invention;

FIG. 3 is a front view of the fall arrest ring;

FIG. 4 is a rear view of the fall arrest ring;

FIG. 5 is a top view of the fall arrest ring;

FIG. 6 is a schematic view of a direction-changing wheel assembly;

FIG. 7 is an enlarged view taken at I in FIG. 1;

fig. 8 is a view from direction F of fig. 6.

In the figure, 1-a rope winder, 2-a connecting plate, 3-a fixed seat, 4-a clamping plate A, 5-a controller, 6-a clamping plate B, 7-a direction-changing wheel connecting plate, 8-a direction-changing wheel device, 10-an anti-falling ring, 101-a hanging ring, 102-a strong magnetic sheet, 103-a locking sheet, 104-a hook, 501-a controller seat, 502-a blocking sheet, 503-a locking plate, 504-a locking plate rotating shaft, 505-a reset spring, 506-a locking head, 507-a locking head fixed shaft, 508-a limiting pin, 509-a limiting groove, 801-a right side plate, 802-a right direction-changing wheel, 803-a left direction-changing wheel, 804-a left side plate, 805-a blocking plate and 806-a spring.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1 to 8, the automatic anti-falling device for the operation of the power transmission line iron tower comprises a rope winder 1, a controller 5, a direction changing device 8 and an anti-falling ring 10, wherein the rope winder 1 is formed by additionally arranging a fixed shaft and a bearing on a spool of a rope, and when a worker takes the rope to climb the tower, the rope winder flexibly rotates to release the rope. Fixing base 3 is connected through connecting plate 2 to the fixed axle tip of serving as go-between 1, and fixing base 3 is L shape, and the one end of L shape links to each other with connecting plate 2, and its tip passes through screw rod connection clamp plate A4, and the other end of L shape passes through screw rod connection clamp plate B6, be equipped with the buckle on clamp plate A4 and the clamp plate B6 respectively, and the direction of buckle all faces fixing base 3 to form a right triangle, at the during operation, clamp plate A4 and clamp plate B6 can press from both sides tightly on transmission tower's angle bar. The two screw rods are respectively connected with nuts, and the distance between the two clamping plates and the fixed seat 3 can be adjusted by adjusting the positions of the nuts, so that the two clamping plates can adapt to angle irons of different models.

The other side of the buckle on the clamping plate B6 is connected with a controller 5, the controller 5 comprises a controller seat 501, the controller seat 501 is connected to the clamping plate B6 through a bolt, the controller seat 501 is respectively connected with a locking plate rotating shaft 504 and a lock head fixing shaft 507 which are parallel to each other, wherein the locking plate rotating shaft 504 is sequentially connected with a blocking piece 502 and a locking plate 503 from right to left, and the blocking piece 502 and the locking plate 503 are fixed together. The contact part of the right side of the bottom of the baffle 502 and the controller seat 501 is provided with an inclined plane, the locking plate 503 is n-shaped, a locking head 506 is arranged between the side plates at the two sides of the locking plate, the locking head 506 is also connected on the rotating shaft 504 of the locking plate, the upper surface of the locking head 506 is arc-shaped, the arc-shaped surface is provided with saw teeth, and the lower end of the locking head 506 is connected with a locking head fixing shaft.

A return spring 505 is embedded on the blocking piece 502, the return spring 505 is sleeved on the locking plate rotating shaft 504, the return spring 505 is a torsion spring, one end of the return spring is arranged in a clamping groove at the left side of the blocking piece 502, and the other end of the return spring abuts against the outer surface of the locking head fixing shaft 507, so that the blocking piece 502 and the locking plate 503 are upwards bounced in a free state. The controller seat 501 is provided with a through hole parallel to the lock head fixing shaft 507, a spring is arranged in the through hole, the left end of the spring is connected with a limit pin 508, and the limit pin 508 is popped up by the spring in a free state. A limiting groove 509 is formed in the right side wall of the blocking piece 502 corresponding to the limiting pin 508, when the locking plate 503 and the blocking piece 502 are forced to move downwards, the limiting groove 509 in the blocking piece 502 slides to the position of the limiting pin 508, the limiting pin 508 is ejected out to clamp the blocking piece 502 and the locking plate 503, at the moment, the safety rope can pass through the locking plate 503 and the lock head 506, and when the lock head 506 is lifted by the external force, the limiting pin 508 is pulled out from the limiting groove 509.

The bottom of the clamping plate B6 is connected with a turning wheel connecting plate 7, and a turning wheel device 8 is connected to the turning wheel connecting plate 7. The turning wheel device 8 comprises a left side plate 804 and a right side plate 801, the right side plate 801 is fixed on the turning wheel connecting plate 7 through bolts, the lower edge of the right side plate 801 is connected with the left side plate 804 through an arc-shaped baffle 805, wherein screw rods penetrate through the left side plate 804 and the right side plate 801 respectively, one ends of the two screw rods, which are close to the center of the turning wheel device 8, are connected with a left turning wheel 803 and a right turning wheel 802 through bearings respectively, springs 806 are sleeved on the screw rods between the turning wheels and the side plates on the same side of the turning wheels, and the springs 806 enable the turning wheels to pop up in a free state, so that the two turning wheels. The end parts of the turning wheels are conical, the tips of the two turning wheels are opposite, the gap between the tips is smaller than the diameter of the safety rope, and the safety rope can penetrate through the gap between the two turning wheels and the baffle 805.

The anti-falling device further comprises an anti-falling ring 10, the main body of the anti-falling ring 10 is L-shaped, the upper part of one end of the anti-falling ring is connected with a hanging ring 101, the right side of the hanging ring 101 is open, the rear side of the main body at the bottom of the hanging ring 101 is connected with a locking plate 103, the locking plate 103 is hook-shaped, and the bottom edge of the upper part of the hook is flush with the bottom surface of the upper part of the anti-falling ring 10L-shaped. The other end of the L shape on the anti-falling ring is provided with a hook 104, the hook 104 and a hook on the locking plate 103 can be clamped on the angle iron, so that the anti-falling ring 10 is hung on the angle iron. When the anti-falling ring 10 is hung on the angle iron, the upper plane of the locking plate 103 is propped against the lower surface of the rear side of the hanging ring 101, and under the condition of no external force, the locking plate 103 cannot be loosened and is firmly clamped. The hook can be separated from the angle iron only by manually lifting the lower end of the locking plate 103, and the anti-falling ring 10 can be taken down from the angle iron. The inner surface of the upper part of the anti-falling ring 10 is embedded with the strong magnetic sheet 102, and the anti-falling ring can be adsorbed on the angle iron by the strong magnetic sheet 102, so that the anti-falling ring is prevented from sliding off when the angle iron inclines.

The center of the direction-changing wheel device 8 is opposite to the lock head 506 of the controller 5, namely, the centers of the tips of the two direction-changing wheels are aligned with the lock head 506, when the direction of the lock plate 503 is parallel to the direction of the safety rope, the safety rope can pass through between the lock plate 503 and the lock head 506 (as shown in fig. 8), when the lock plate 503 is lifted, the gap between the lock plate 503 and the lock head 506 becomes smaller, the safety rope is clamped, and the clamping is firmer due to the teeth on the lock head 506.

The anti-falling ring 10 can be made into different types according to the size of angle iron on an iron tower, and the clamping plate A4 and the clamping plate B6 can be adjusted, so that the anti-falling device can be suitable for iron towers with different specifications.

When a worker climbs a tower, the clamping plate a4 and the clamping plate B6 of the rope winder 1 are clamped on the tower foot, the locking plate 503 is manually rotated clockwise by about 90 degrees, the limit pin 508 is clamped in the limit groove 509, and the locking plate 503 and the lock head 506 are in an open state. The safety rope on the rope winder 1 sequentially passes through the space between the locking plate 503 and the locking head 506 on the controller 5 and the space between the change wheel and the baffle 805 on the change wheel device 8, and the rope head is fixed on the safety belt of the body of an operator. According to the height needing to be climbed, an operator carries a plurality of anti-falling rings 10 with him, in the climbing process, one anti-falling ring 10 is hung on an angle iron every 3 meters or so according to the position of the angle iron of an iron tower, and then a safety rope is wound around a hanging ring 101. In case that the operator falls down carelessly in the climbing or operation process, the end part of the safety rope is stressed suddenly, the conical surfaces of the two turning wheels of the turning wheel device 8 are pressed, and the spring 806 is compressed, so that the safety rope is separated from the turning wheel device 8; then the locking plate 503 is lifted upwards by the pulling force of the safety rope, the limit pin 508 is separated from the limit groove 509, under the combined action of the safety rope and the reset spring 505, the locking plate 503 rotates anticlockwise to press the safety rope on the lock head 506, the safety rope is clamped together with teeth on the lock head 506, the anti-falling ring 10 is used as a hanging point, and the safety rope is used for hanging the operating personnel in the air, so that the safety of the operating personnel is reliably ensured.

Claims

1. The utility model provides an automatic anti-falling device of transmission line iron tower operation, includes ropewinder (1), its characterized in that: the end part of a fixed shaft of the rope winder (1) is connected with a fixed seat (3) through a connecting plate (2), the fixed seat (3) is L-shaped, one end of the fixed seat is connected with a clamping plate A (4) through a screw, the other end of the fixed seat is connected with a clamping plate B (6) through a screw, buckles are respectively arranged on the clamping plate A (4) and the clamping plate B (6), and the directions of the buckles face towards the fixed seat (3); the other side of the buckle on the clamping plate B (6) is connected with a controller (5), and the bottom of the clamping plate B (6) is connected with a turning wheel device (8) through a turning wheel connecting plate (7);

still include and prevent weighing down ring (10), prevent weighing down ring (10) main part and be L shape, its one end upper portion is connected with link (101), and main part one side of link (101) bottom is connected with locking plate (103), and the main part other end is equipped with couple (104).

2. The automatic anti-falling device for the operation of the power transmission line iron tower according to claim 1, is characterized in that: the controller (5) comprises a controller seat (501), the controller seat (501) is connected to a clamping plate B (6) through bolts, a locking plate rotating shaft (504) and a lock head fixing shaft (507) are connected to the controller seat (501) respectively, a blocking piece (502) and a locking plate (503) with an n-shaped section are sequentially connected to the locking plate rotating shaft (504) from right to left, a lock head (506) is arranged between two side plates of the locking plate (503), the upper surface of the lock head (506) is arc-shaped, sawteeth are arranged on the arc-shaped surface, and the lower end of the lock head (506) is connected to the lock head fixing shaft (507); the bottom of a blocking piece (502) on the controller seat (501) is provided with a limit pin (508), the limit pin (508) is connected to the controller seat (501) through a spring, a limit groove (509) is formed in the right side wall of the blocking piece (502) corresponding to the limit pin (508), and a return spring (505) is embedded in the blocking piece (502).

3. The automatic anti-falling device for the operation of the power transmission line iron tower as claimed in claim 2, is characterized in that: the right side of the bottom of the baffle plate (502) is provided with an inclined plane.

4. The automatic anti-falling device for the operation of the power transmission line iron tower as claimed in claim 3, is characterized in that: the turning wheel device (8) comprises a left side plate (804) and a right side plate (801), the right side plate (801) is fixed on the turning wheel connecting plate (7) through bolts, the lower edge of the right side plate (801) is connected with the left side plate (804) through an arc-shaped baffle (805), wherein the left side plate (804) and the right side plate (801) are respectively provided with a threaded rod in a penetrating mode, one ends, close to the middle portion, of the two threaded rods are respectively connected with a left turning wheel (803) and a right turning wheel (802) through bearings, and the threaded rods between the turning wheels and the side plates are sleeved with springs (806).

5. The automatic anti-falling device for the operation of the power transmission line iron tower is characterized in that: the locking plate (103) is in a hook shape, and the bottom edge of the upper half part of the hook is flush with the bottom surface of the L-shaped upper half part of the anti-falling ring (10).

6. The automatic anti-falling device for the operation of the power transmission line iron tower is characterized in that: the inner surface of the upper half part of the anti-falling ring (10) is embedded with a strong magnetic sheet (102).