CN220237595U - Falling protector anti-falling device - Google Patents
Falling protector anti-falling device Download PDFInfo
- Publication number
- CN220237595U CN220237595U CN202321467738.XU CN202321467738U CN220237595U CN 220237595 U CN220237595 U CN 220237595U CN 202321467738 U CN202321467738 U CN 202321467738U CN 220237595 U CN220237595 U CN 220237595U
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- Prior art keywords
- block
- guide rail
- wedge
- baffle
- falling
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- 230000001012 protector Effects 0.000 title description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000010276 construction Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of electric tower construction, in particular to an anti-falling device, wherein a locking piece overturning groove is formed in the front surface of a main guide rail clamping block; wedge-shaped blocks are arranged in the lock block overturning grooves; the wedge block is rotationally connected to the main guide rail clamping block through a rotating shaft; a baffle movable groove is arranged on the lock block overturning groove; a spring positioning hole is formed in the baffle plate movable groove; the wedge-shaped block is provided with a baffle plate; the width of the baffle is larger than that of the wedge-shaped block; the width of the baffle movable groove is larger than that of the locking piece overturning groove; the baffle is inserted into the baffle movable groove; a spring is arranged in the spring positioning hole; the spring is fixed on the baffle; one surface of the wedge block far away from the rotating shaft is a supporting surface; the surface of the wedge block connected with the baffle is the inner surface of the wedge block. When the anti-falling self-locking device is used, the telescopic wedge-shaped block is arranged on the guide rail locking piece in the structure, so that the anti-falling self-locking device can be inserted into the guide rail in an unobstructed manner and can be prevented from falling out of the guide rail, and the anti-falling self-locking device is more convenient to use.
Description
Technical Field
The utility model relates to the technical field of electric tower construction, in particular to an anti-falling device.
Background
In recent years, many attempts have been made to provide fall protection measures for production personnel in the process of working aloft, and certain effects have been achieved. However, the research on the aspect of high-altitude falling prevention in the construction process of the foundation field is less, and no specific technical measure can comprehensively solve the problem at present, so that the high-altitude falling accident in the construction process of the foundation field is difficult to effectively suppress.
The anti-falling device is an important part of a tower pole guide rail, a tower pole clamping piece is clamped and fixed on a tower pole, and the guide rail is fixed through a guide rail clamping piece fixed with the tower pole clamping piece. Through set up anti-disengaging gear at the guide rail both ends for the safety hook inserts the guide rail from outside smoothly, and inserts the safety hook of guide rail and block the safety hook through anti-disengaging gear, makes the safety hook can not loosen from the guide rail, and the safety hook can not derail, reaches the effect of preventing the drop.
In the existing anti-falling device, a bolt is generally used as a limiting piece, a threaded hole is formed in a guide rail, and after the anti-falling device slides into the guide rail, the bolt is locked on the guide rail, so that the bolt is on the sliding path of the anti-falling device, and the anti-falling effect is achieved. The derailment preventing structure is simple in structure, but the derailment preventing structure is required to be screwed in manually after the falling protector is inserted, so that the operation is inconvenient.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings of the prior art and provide an anti-falling device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model relates to an anti-falling device, which comprises a tower pole clamping piece for tightly holding and fixing a tower pole and a guide rail locking piece for tightly holding and fixing a guide rail; the guide rail locking piece is fixed on the tower pole clamping piece; the guide rail locking piece comprises a main guide rail clamping block, an auxiliary guide rail clamping block, a screw rod and a nut; the guide rail is clamped and fixed by the main guide rail clamping block and the auxiliary guide rail clamping block which are penetrated through the main guide rail clamping block and the auxiliary guide rail clamping block by the screw rod and are connected with the nut through threads; the main guide rail clamping block is fixed on the tower pole clamping piece through the fixing plate;
the front surface of the main guide rail clamping block is provided with a locking block overturning groove; a wedge-shaped block is arranged in the locking block overturning groove; the wedge block is rotationally connected to the main guide rail clamping block through a rotating shaft; a baffle movable groove is arranged on the locking piece overturning groove; a spring positioning hole is formed in the baffle plate movable groove; a baffle is arranged on the wedge block; the width of the baffle is larger than that of the wedge-shaped block; the width of the baffle movable groove is larger than that of the locking piece overturning groove; the baffle is inserted into the baffle movable groove; a spring is arranged in the spring positioning hole; the spring is fixed on the baffle; one surface of the wedge block, which is far away from the rotating shaft, is a supporting surface; the surface of the wedge block, which is connected with the baffle, is the inner surface of the wedge block; the included angle between the inner surface of the wedge block and the supporting surface is an inclined angle alpha; the inclination angle alpha is not less than 90 deg..
Further, the inclination angle α is 95 °.
Further, the outer side surface of the main guide rail clamping block is provided with a steel rope passing hole communicated with the spring positioning hole; a steel cable is fixed on the wedge block; the steel cable extends out of the main rail clamp block from the steel cable through hole; one end of the steel cable extending out of the main guide rail clamping block is fixed with a circular ring.
After the structure is adopted, the utility model has the beneficial effects that: the anti-falling device of the utility model has the advantages that when the anti-falling device is used,
under the condition that the baffle is not extruded, the wedge-shaped block extends outwards under the action of the spring; in the process that the anti-falling self-locking device slides into the guide rail, the anti-falling self-locking device is contacted with the inclined plane on the wedge block, and in the continuous sliding process of the anti-falling self-locking device, the anti-falling self-locking device gradually extrudes the inclined plane, so that the wedge block overcomes the resistance of the spring and is retracted into the lock block overturning groove until the anti-falling self-locking device completely passes through the wedge block, and the wedge block automatically resets due to the elasticity of the spring; when the anti-falling self-locking device is tightly pressed on the supporting surface, the pressure of shrinking into the lock block overturning groove is not generated on the wedge-shaped block; therefore, the anti-falling self-locking device can be blocked by the wedge-shaped block, so as to achieve the anti-falling effect; according to the structure, the telescopic wedge-shaped block is arranged on the guide rail locking piece, so that the anti-falling self-locking device can be inserted into the guide rail in an unobstructed manner and can be prevented from falling out of the guide rail, and the use is more convenient.
Drawings
FIG. 1 is a schematic diagram of the construction of an application of the present utility model;
FIG. 2 is a schematic structural view of the fall arrest self-lock device;
FIG. 3 is a schematic view of a track lock with an anti-walk out device;
FIG. 4 is a block diagram of a primary rail clamp block;
FIG. 5 is a cross-sectional view of a primary rail clamp block;
FIG. 6 is a block diagram of the connection of the wedge block, primary rail clamp block and secondary rail clamp block;
FIG. 7 is a front view of a wedge block;
FIG. 8 is a left side view of the wedge block;
reference numerals illustrate:
1. an anti-falling self-locking device; 2. a guide rail locking member; 201. a fixing plate; 202. a wire rope;
203. a main rail clamp block; 203a, wire rope holes; 203b, spring positioning holes;
203c, a baffle plate movable groove; 203d, a locking piece overturning groove; 204. a spring; 205. wedge blocks;
205a, baffles; 205b, a support surface; 205c, inclined plane; 206. an auxiliary guide rail clamping block; 207. a screw;
208. a nut; 209. a circular ring; 2010. a rotating shaft; 3. a guide rail; 4. a tower pole holder; A. a tower pole;
alpha, tilt angle.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 8, the falling protector according to the present utility model comprises a tower pole clamping member 4 for tightly holding a tower pole a and a rail locking member 2 for tightly holding a rail 3; the guide rail locking piece 2 is fixed on the tower pole clamping piece 4; the guide rail locking piece 2 comprises a main guide rail clamping block 203, a secondary guide rail clamping block 206, a screw 207 and a nut 208; the guide rail 3 is clamped and fixed by the main guide rail clamping block 203 and the auxiliary guide rail clamping block 206 after the screw 207 passes through the main guide rail clamping block 203 and the auxiliary guide rail clamping block 206 and is connected with the nut 208 in a threaded manner; the main guide rail clamping block 203 is fixed on the tower pole clamping piece 4 through the fixing plate 201;
the front surface of the main guide rail clamping block 203 is provided with a locking block overturning groove 203d; a wedge block 205 is arranged in the lock block overturning groove 203d; the wedge 205 is rotatably connected to the main rail clamp 203 by a shaft 2010; a baffle movable groove 203c is arranged on the lock block overturning groove 203d; a spring positioning hole 203b is arranged on the baffle plate movable groove 203c; a baffle 205a is arranged on the wedge block 205; the width of the baffle 205a is greater than the width of the wedge 205; the width of the baffle movable groove 203c is larger than that of the locking piece overturning groove 203d; the baffle 205a is inserted into the baffle-moving groove 203c; a spring 204 is arranged in the spring positioning hole 203b; the spring 204 is fixed on the baffle 205a; a surface of the wedge 205 away from the shaft 2010 is a supporting surface 205b; the surface of the wedge block 205 connected with the baffle 205a is the inner surface of the wedge block; the angle between the inner surface of the wedge and the support surface 205b is the tilt angle α; the inclination angle alpha is not less than 90 deg..
The number of the guide rail locking pieces 2 is two, the guide rail locking pieces are respectively fixed at two ends of the guide rail 3, and the two anti-falling devices are oppositely arranged on the guide rail 3;
in the case where the shutter 205a is not pressed, the action of the spring 204 causes the wedge 205 to protrude outwards; during the process that the anti-falling self-locking device 1 slides into the guide rail 3, the anti-falling self-locking device 1 is contacted with the inclined surface 205c on the wedge-shaped block 205, and during the continuous sliding process of the anti-falling self-locking device 1, the anti-falling self-locking device 1 gradually extrudes the inclined surface 205c, so that the wedge-shaped block 205 overcomes the resistance of the spring 204, and the anti-falling self-locking device 1 is retracted into the lock block overturning groove 203d until the anti-falling self-locking device 1 completely passes through the wedge-shaped block 205, and the wedge-shaped block 205 automatically resets due to the elasticity of the spring 204; in a state that the anti-falling self-locking device 1 is completely inserted into the guide rail 3, the plane 205b of the wedge block 205 is opposite to the anti-falling self-locking device 1, and when the anti-falling self-locking device 1 presses the supporting surface 205b, a pressure which is retracted into the lock block overturning groove 203d is not generated on the wedge block 205; therefore, the anti-falling self-locking device 1 is clamped by the wedge-shaped block 205, so as to achieve the anti-falling effect; in the structure, the telescopic wedge-shaped block 205 is arranged on the guide rail locking piece 2, so that the anti-falling self-locking device 1 can be inserted into the guide rail 3 in an unobstructed manner and can be prevented from falling out of the guide rail 3, and the use is more convenient.
As a preferred mode of the present utility model, the inclination angle α is 95 °; the inclined angle alpha of 95 degrees enables the anti-falling self-locking device 1 to generate an outwards overturning force when being pressed on the supporting surface 205b, and the anti-falling self-locking device is combined with the baffle 205a to limit in the baffle movable groove 203c; so that the wedge-shaped block 205 is more difficult to inwards overturn when contacting with the supporting surface 205b of the anti-falling self-locking device 1, and the safety coefficient of the self-locking effect is improved.
As a preferable mode of the present utility model, the outer side surface of the main rail clamp block 203 is provided with a wire rope passing hole 203a communicated with a spring positioning hole 203b; the wedge block 205 is fixed with a steel cable 202; the cable 202 extends from the cable passage hole 203a to the outside of the main rail clamp block 203; one end of the steel cable 202 extending out of the main guide rail clamping block 203 is fixed with a circular ring 209; the ring 209 acts as a handle; when the fall arrest self-lock device 1 needs to be detached from the guide rail 3,
pulling the cable 202 through the ring 209 causes the wedge 205 to retract inwardly to a position that does not impede the fall arrester 1 from sliding on the rail 3.
When the utility model is used, under the condition that the baffle is not extruded, the wedge-shaped block extends outwards under the action of the spring; in the process that the anti-falling self-locking device slides into the guide rail, the anti-falling self-locking device is contacted with the inclined plane on the wedge block, and in the continuous sliding process of the anti-falling self-locking device, the anti-falling self-locking device gradually extrudes the inclined plane, so that the wedge block overcomes the resistance of the spring and is retracted into the lock block overturning groove until the anti-falling self-locking device completely passes through the wedge block, and the wedge block automatically resets due to the elasticity of the spring; when the anti-falling self-locking device is tightly pressed on the supporting surface, the pressure of shrinking into the lock block overturning groove is not generated on the wedge-shaped block; therefore, the anti-falling self-locking device can be blocked by the wedge-shaped block, so as to achieve the anti-falling effect; according to the structure, the telescopic wedge-shaped blocks are arranged on the guide rail locking pieces, so that the anti-falling self-locking device can be inserted into the guide rail in an unobstructed manner and can be prevented from falling out of the guide rail, the structure is more convenient to use, the inclined angle alpha of 95 degrees enables the anti-falling self-locking device to generate an outwards overturning force when being pressed on a supporting surface, and the baffle plate is combined with the baffle plate to limit in the baffle plate movable groove; the wedge-shaped block is more difficult to inwards overturn when contacting with the supporting surface of the anti-falling self-locking device, and the self-locking effect is improved.
The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.
Claims (3)
1. An anti-falling device comprises a tower pole clamping piece (4) for tightly holding and fixing a tower pole (A) and a guide rail locking piece (2) for tightly holding and fixing a guide rail (3); the guide rail locking piece (2) is fixed on the tower pole clamping piece (4); the guide rail locking piece (2) comprises a main guide rail clamping block (203), an auxiliary guide rail clamping block (206), a screw rod (207) and a nut (208); the guide rail (3) is clamped and fixed by the main guide rail clamping block (203) and the auxiliary guide rail clamping block (206) after the screw rod (207) passes through the main guide rail clamping block (203) and the auxiliary guide rail clamping block (206) and is connected with the nut (208) in a threaded manner; the main guide rail clamping block (203) is fixed on the tower pole clamping piece (4) through a fixing plate (201);
the method is characterized in that: the front surface of the main guide rail clamping block (203) is provided with a locking block overturning groove (203 d); a wedge-shaped block (205) is arranged in the lock block overturning groove (203 d); the wedge block (205) is rotationally connected to the main rail clamp block (203) through a rotating shaft (2010); a baffle movable groove (203 c) is arranged on the lock block overturning groove (203 d); a spring positioning hole (203 b) is formed in the baffle movable groove (203 c); a baffle plate (205 a) is arranged on the wedge-shaped block (205); the width of the baffle (205 a) is larger than the width of the wedge-shaped block (205); the width of the baffle movable groove (203 c) is larger than that of the lock block overturning groove (203 d); the baffle (205 a) is inserted into the baffle movable groove (203 c); a spring (204) is arranged in the spring positioning hole (203 b); the spring (204) is fixed on the baffle (205 a); a surface of the wedge-shaped block (205) far away from the rotating shaft (2010) is a supporting surface (205 b); the surface of the wedge block (205) connected with the baffle (205 a) is the inner surface of the wedge block; the included angle between the inner surface of the wedge block and the supporting surface (205 b) is an inclined angle alpha; the inclination angle alpha is not less than 90 deg..
2. The fall arrester anti-disengagement device according to claim 1, characterized in that: the inclination angle α is 95 °.
3. The fall arrester anti-disengagement device according to claim 1, characterized in that: the outer side surface of the main rail clamp block (203) is provided with a wire rope passing hole (203 a) communicated with a spring positioning hole (203 b); a steel cable (202) is fixed on the wedge block (205); the steel cable (202) extends from the cable passing hole (203 a) to the outside of the main rail clamp block (203); one end of the steel cable (202) extending out of the main guide rail clamping block (203) is fixed with a circular ring (209).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321467738.XU CN220237595U (en) | 2023-06-09 | 2023-06-09 | Falling protector anti-falling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321467738.XU CN220237595U (en) | 2023-06-09 | 2023-06-09 | Falling protector anti-falling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220237595U true CN220237595U (en) | 2023-12-26 |
Family
ID=89232865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321467738.XU Active CN220237595U (en) | 2023-06-09 | 2023-06-09 | Falling protector anti-falling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220237595U (en) |
-
2023
- 2023-06-09 CN CN202321467738.XU patent/CN220237595U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |