CN210813593U - Anti-falling automatic control device - Google Patents
Anti-falling automatic control device Download PDFInfo
- Publication number
- CN210813593U CN210813593U CN201920929219.8U CN201920929219U CN210813593U CN 210813593 U CN210813593 U CN 210813593U CN 201920929219 U CN201920929219 U CN 201920929219U CN 210813593 U CN210813593 U CN 210813593U
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- plate
- lock head
- locking plate
- turning wheel
- side plate
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Abstract
An automatic control device for preventing falling. 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 fixing seat (5) is respectively connected with a locking plate rotating shaft (6) and a lock head fixing shaft (10), wherein the locking plate rotating shaft (6) is sequentially connected with a blocking piece (3) and a locking plate (1) from right to left, a lock head (2) is arranged between two side plates of the locking plate (1), and the lower end of the lock head (2) is connected with the lock head fixing shaft (10); the bottom of the separation blade (3) on the fixed seat (5) is provided with a limiting pin (11), the limiting pin (11) is connected to the fixed seat (5) through a spring, and a return spring (9) is embedded in the separation blade (3); and the bottom of the connecting plate (7) is connected with a turning wheel device (8). The anti-falling automatic device can be repeatedly used, has low cost, flexible and convenient operation and wide application range.
Description
Technical Field
The invention relates to the field of electric power, in particular to an anti-falling automatic control device for operation of a power transmission line iron tower.
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 defects of large investment, complex operation and inflexible use of the conventional anti-falling device for the operation of the power transmission tower, the invention provides the anti-falling automatic control device which can be repeatedly used, and has the advantages of low cost, flexible and convenient operation and wide application range.
The technical scheme of the invention is as follows: an anti-falling automatic control device comprises a fixed seat and a connecting plate, wherein the fixed seat is fixed on the connecting plate through a bolt, the fixed seat is respectively connected with a locking plate rotating shaft and a locking head fixing shaft, a blocking piece and a locking plate with an n-shaped section are sequentially connected onto 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 onto the locking head fixing shaft; the bottom of a separation blade on the fixed seat is provided with a limiting pin, the limiting pin is connected to the fixed seat through a spring, a limiting groove is formed in the right side wall of the separation blade corresponding to the limiting pin, and a return spring is embedded in the separation blade; and the bottom of the connecting plate is connected with a turning wheel device.
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 right side of separation blade bottom is equipped with the inclined plane.
The invention has the following beneficial effects: 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 cross-sectional view taken along A-A in FIG. 1;
FIG. 4 is a schematic view of the construction of the direction-changing wheel apparatus;
fig. 5 is a sectional view taken along B-B in fig. 4.
In the figure, 1-locking plate, 2-locking head, 3-blocking plate, 4-safety rope, 5-fixing seat, 6-locking plate rotating shaft, 7-connecting plate, 8-direction-changing wheel device, 9-reset spring, 10-locking head fixing shaft, 11-limiting pin, 12-limiting groove, 801-right side plate, 802-right direction-changing wheel, 803-left direction-changing wheel, 804-left side plate, 805-baffle plate and 806-spring.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1 to 5, the anti-falling automatic control device comprises a fixing seat 5 and a connecting plate 7, wherein the fixing seat 5 is fixed on the connecting plate 7 through bolts, the fixing seat 5 is respectively connected with a locking plate rotating shaft 6 and a lock head fixing shaft 10 which are parallel to each other, a separation blade 3 and a locking plate 1 are sequentially connected on the locking plate rotating shaft 6 from right to left, and the separation blade 3 and the locking plate 1 are fixed together. The contact position of the right side of the bottom of the separation blade 3 and the fixing seat 5 is provided with an inclined plane, the locking plate 1 is n-shaped, the locking head 2 is arranged between the side plates on the two sides of the locking plate, the locking head 2 is also connected to the rotating shaft 6 of the locking plate, the upper surface of the locking head 2 is arc-shaped, sawteeth are arranged on the arc-shaped surface, and the lower end of the locking head 2 is connected to the locking head fixing.
It has reset spring 9 to inlay on separation blade 3, and reset spring 9 covers on jam plate pivot 6, and reset spring 9 is the torsional spring, and one end is inlayed in the left draw-in groove of separation blade 3, and the other end leans on tightly at tapered end fixed axle 10 surface to make separation blade 3 and jam plate 1 upwards bounce under free state. The fixing seat 5 is provided with a through hole parallel to the locking plate fixing shaft 6, a spring is arranged in the through hole, the left end of the spring is connected with a limiting pin 11, and the limiting pin 11 is popped up by the spring in a free state. The limiting groove 12 is formed in the right side wall of the separation blade 3 corresponding to the limiting pin 11, when the locking plate 1 and the separation blade 3 are downward under external force, the limiting groove 12 in the separation blade 3 slides to the position of the limiting pin 11, the limiting pin 11 is popped out to clamp the separation blade 3 and the locking plate 1, the safety rope can penetrate through the locking plate 1 and the lock head 2, and when the lock head 2 is lifted under external force, the limiting pin 11 is separated from the limiting groove 12.
The bottom of the connecting plate 7 is connected with a turning wheel device 8, 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, screws penetrate through the left side plate 804 and the right side plate 801 respectively, one ends of the two screws, 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 screws between the side plates of the turning wheel and the side plates on the same side of the turning wheel, and the springs 806 enable the turning wheels to pop out in a free state. 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 center of the turning wheel device 8 is opposite to the lock head 2, namely, the centers of the tips of the two turning wheels are aligned to the lock head 2, when the direction of the lock plate 1 is parallel to the direction of the safety rope, the safety rope can pass through the lock plate 1 and the lock head 2, when the lock plate 1 is lifted, the gap between the lock plate 1 and the lock head 2 is reduced, the safety rope is clamped, and the clamping is firmer due to the teeth on the lock head 2.
When climbing an iron tower, the device is used together with an anti-falling hanging ring, the locking plate 1 is manually rotated by about 90 degrees clockwise, the limiting pin 11 is clamped in the limiting groove 12, and the locking plate 1 and the lock head 2 are in an open state. The safety rope sequentially passes through the space between the lock plate 1 and the lock head 2 and the space between the turning wheel and the baffle 805 on the turning wheel device 8, and the rope head is fixed on the safety belt of the body of an operator. The operating personnel carry a plurality of anti-falling hanging rings, and the anti-falling hanging rings are hung on the cross beam angle iron of the iron tower at certain intervals in the operating process. 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; subsequently, the locking plate 1 is lifted upwards under the pulling force of the safety rope, the limiting pin 11 is separated from the limiting groove 12, under the combined action of the safety rope and the reset spring 9, the locking plate 1 rotates anticlockwise, the safety rope is pressed on the lock head 2 and is clamped with teeth on the lock head 2, the anti-falling hanging ring is used as a hanging point, and the safety rope is used for hanging operating personnel in the air, so that the safety of the operating personnel is reliably ensured.
Claims (3)
1. The utility model provides a prevent weighing down automatic control device, includes fixing base (5) and connecting plate (7), and fixing base (5) pass through the bolt fastening on connecting plate (7), its characterized in that: the fixing seat (5) is respectively connected with a locking plate rotating shaft (6) and a lock head fixing shaft (10), wherein the locking plate rotating shaft (6) is sequentially connected with a blocking piece (3) and a locking plate (1) with an n-shaped section from right to left, a lock head (2) is arranged between two side plates of the locking plate (1), the upper surface of the lock head (2) is arc-shaped, sawteeth are arranged on the arc-shaped surface, and the lower end of the lock head (2) is connected with the lock head fixing shaft (10); the bottom of a separation blade (3) on the fixed seat (5) is provided with a limiting pin (11), the limiting pin (11) is connected to the fixed seat (5) through a spring, a limiting groove (12) is formed in the right side wall of the separation blade (3) corresponding to the limiting pin (11), and a return spring (9) is embedded in the separation blade (3); and the bottom of the connecting plate (7) is connected with a turning wheel device (8).
2. The fall arrest automatic control device according to claim 1, 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).
3. The fall arrest automatic control device according to claim 2, characterized in that: the right side of the bottom of the baffle plate (3) is provided with an inclined plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920929219.8U CN210813593U (en) | 2019-06-19 | 2019-06-19 | Anti-falling automatic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920929219.8U CN210813593U (en) | 2019-06-19 | 2019-06-19 | Anti-falling automatic control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210813593U true CN210813593U (en) | 2020-06-23 |
Family
ID=71277928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920929219.8U Expired - Fee Related CN210813593U (en) | 2019-06-19 | 2019-06-19 | Anti-falling automatic control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210813593U (en) |
-
2019
- 2019-06-19 CN CN201920929219.8U patent/CN210813593U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 Termination date: 20210619 |
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| CF01 | Termination of patent right due to non-payment of annual fee |