CN112144943B - Wire pole with safety function of preventing falling - Google Patents
Wire pole with safety function of preventing falling Download PDFInfo
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- CN112144943B CN112144943B CN202011058906.0A CN202011058906A CN112144943B CN 112144943 B CN112144943 B CN 112144943B CN 202011058906 A CN202011058906 A CN 202011058906A CN 112144943 B CN112144943 B CN 112144943B
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- friction plate
- guide rail
- groove
- rectangular
- connecting rod
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
Abstract
The invention belongs to the technical field of power transmission devices, and particularly relates to a telegraph pole with a falling prevention safety function, which comprises a concrete column body and a falling prevention device; the anti-falling device comprises a guide rail, a friction plate, a connecting rod and an elastic piece; according to the invention, the upper end of the friction plate is inclined towards the surface provided with the rectangular through groove under the action of the rebound force of the elastic piece, and the lower end of the friction plate is inclined towards one side surface opposite to the rectangular through groove, so that when an electrician encounters a risk of falling due to foot loss, the safety belt quickly pulls one end of the columnar lantern ring of the connecting rod downwards, the connecting rod serves as a lever to enable the friction plate to rotate around the center of the friction plate, the upper end and the lower end of the friction plate are simultaneously extruded towards the inner wall of the guide rail, and then a large friction force is generated between the two ends of the friction plate and the inner wall of the guide rail, so that the body of the electrician is timely hung through the safety belt, and the safety of high altitude operation of the electrician on the telegraph pole is further ensured.
Description
Technical Field
The invention belongs to the technical field of power transmission devices, and particularly relates to a telegraph pole with an anti-falling safety function.
Background
The utility pole is a pole for erecting electric wires as the name implies. Due to the development of the steel bars and the concrete, the concrete pole is manufactured by combining the technical research and applying the principle of centrifugal force, the reinforced concrete conical cement pole and the equal-diameter cement pole replace most of wood poles, and the cement pole is firm, durable, corrosion-resistant, temperature difference-resistant, high in strength and crack-resistant.
Because the height of the telegraph pole is large, an electrician needs to work aloft in the process of circuit maintenance, generally, climbing along the telegraph pole is realized by using a climbing device special for the telegraph pole to match with a safety belt, but the climbing operation is realized only by the climbing device, so that the safety performance cannot be well guaranteed; and when complex circuits are repaired, tools or even small equipment need to be carried, and the safety performance of the tools carrying the repaired circuits is greatly reduced for electricians needing to climb telegraph poles.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a telegraph pole with a falling prevention safety function. The climbing device is mainly used for solving the problem that in the prior art, an electrician has low safety performance due to the fact that the climbing device is simple and crude in the process of climbing telegraph poles.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention provides a telegraph pole with a fall-prevention safety function, which comprises a concrete column body and a fall-prevention device, wherein the concrete column body is provided with a first groove and a second groove; the anti-falling device comprises a guide rail, a friction plate, a connecting rod and an elastic piece; the guide rail is arranged along the length direction of the concrete column body; the guide rail is embedded in the concrete column body; the guide rail is of a square tube structure; a rectangular through groove is formed in the surface, exposed outside the concrete column, of the guide rail; the friction plate is obliquely arranged in the guide rail; the upper end of the friction plate is obliquely arranged towards the surface provided with the rectangular through groove; the lower end of the friction plate is obliquely arranged relative to one side surface of the rectangular through groove; the upper end and the lower end of the friction plate are both provided with fillets; one end of the connecting rod is fixedly connected to one side face, close to the rectangular through groove, of the upper end of the friction plate; the connecting rod penetrates through the rectangular through groove; a columnar lantern ring is arranged at the end part of the other end of the connecting rod; elastic pieces are arranged on the surface of one side, far away from the rectangular through groove, of the upper end of the friction plate and the surface of one side, close to the rectangular through groove, of the lower end of the friction plate; the elastic piece is used for enabling the upper end of the friction plate to keep in contact with the surface with the rectangular through groove and enabling the lower end of the friction plate to keep in contact with the surface far away from the rectangular through groove.
When the anti-falling device works, when an electrician needs to climb a wire pole to maintain a circuit, a safety belt is connected onto the columnar lantern ring of the connecting rod, when the electrician climbs upwards along the wire pole, one end of the columnar lantern ring of the connecting rod is pulled through the safety belt, so that the connecting rod drives the friction plate to swing, the friction plate rotates around the center of the friction plate under the action of the supporting force of the elastic piece, the upper end and the lower end of the friction plate are separated from being in contact with the inner wall of the guide rail, and the friction plate, the elastic piece and the connecting rod slide upwards along the guide rail under the action of the pulling force of the safety belt, so that the anti-falling device cannot influence the climbing of the electrician on the wire pole, and the use of the electrician is facilitated; when the connecting rod is not subjected to upward pulling force of the safety belt, the upper end of the friction plate is inclined towards the surface provided with the rectangular through groove under the action of the rebounding force of the elastic piece, so that the upper end of the friction plate is abutted against the inner wall of the guide rail, the lower end of the friction plate is inclined towards one side surface opposite to the rectangular through groove, so that the lower end of the friction plate is abutted against the inner wall of the guide rail, when an electrician encounters the danger of foot losing and falling, the safety belt rapidly pulls one end of the columnar lantern ring of the connecting rod downwards, the friction plate rotates around the center of the connecting rod through the connecting rod serving as a lever, so that the upper end and the lower end of the friction plate are simultaneously extruded towards the inner wall of the guide rail, so that large friction force is generated between the two ends of the friction plate and the inner wall of the guide rail, relative sliding between the friction plate and the guide rail cannot occur, and the safety belt can timely hang the body of the electrician through the connecting plate connected to the friction plate, thereby ensuring the safety of high-altitude operation of an electrician on the telegraph pole; moreover, the tool box or the equipment for maintaining the circuit is hung on the connecting rod and then is lifted by an electrician at a single time, so that some heavier tool boxes or equipment for maintaining the circuit can be intermittently conveyed up along the telegraph pole, and the electrician can conveniently implement the circuit maintenance work.
Preferably, the elastic element comprises a first spring and a top cap; the surface of one side of the upper end of the friction plate, which is far away from the rectangular through groove, and the surface of one side of the lower end of the friction plate, which is close to the rectangular through groove, are provided with sunk grooves; one end of the first spring is fixedly connected in the sinking groove; the other end of the first spring is fixedly connected in a first counter bore at one end of the top cap; the other end of the top cap is hemispherical; the hemispherical surface of the top cap is abutted against the inner wall of the guide rail.
One end of a first spring is arranged in a sunk groove of a friction plate, and the other end of the first spring is arranged in a first sunk hole of a top cap, so that the bending resistance of the first spring is better, the friction plate can better compress the first spring in the swinging process, the first spring is better ensured to exert the counter-elastic force on the friction plate, the other side of the friction plate can be better abutted against the inner wall of the guide rail, the stable friction force between the friction plate and the inner wall of the guide rail is further ensured, the stability of the anti-falling device is further ensured, and the safety of an electrician in circuit maintenance is further improved; in the process that the safety belt drives the friction plate, the elastic piece and the connecting rod to slide upwards, because the end of the top cap is arranged to be hemispherical, the friction force between the top cap and the inner wall of the guide rail is small, the movement flexibility of the friction plate, the elastic piece and the connecting rod is improved, and the falling prevention device cannot influence the climbing of an electrician on a telegraph pole, so that the use of the electrician is convenient.
Preferably, the middle parts of two side surfaces of the friction plate are symmetrically provided with a second counter bore; a second spring and a sliding cap are arranged in the second counter bore; one end of the second spring abuts against the bottom of the second counter bore; the other end of the second spring abuts against a third counter bore arranged at one end of the sliding cap; the other end of the sliding cap is arranged into a hemispherical structure; the hemispherical surface of the sliding cap abuts against the inner wall of the guide rail.
Set up spring two and slip cap through the both sides middle part symmetry at the friction plate, and then support the friction plate through spring two and slip cap, and then make and remain certain clearance between the both sides of friction plate and the guide rail inner wall, and then make the friction plate can not take place the incline because of the inner wall friction with the guide rail at the pivoted in-process, and then avoid appearing the dead phenomenon of friction plate card, and then improved the stationarity of friction plate motion, and then guarantee anti-falling device's stability, and then improved the security of electrician when circuit maintenance.
Preferably, the inner wall of one side of the guide rail, which is close to the rectangular through groove, is provided with a wear-resistant rubber layer.
By arranging the wear-resistant rubber layer on the inner wall of one side, close to the rectangular through groove, of the guide rail, when the friction plate rotates, the upper end of the friction plate extrudes the wear-resistant rubber layer, the wear-resistant rubber layer is extruded and deformed, the contact area between the friction plate and the wear-resistant rubber layer is increased, the friction force between the friction plate and the wear-resistant rubber layer is further improved, relative sliding between the friction plate and the guide rail is further avoided, and the safety of high-altitude operation of an electrician on the telegraph pole is further ensured; meanwhile, the friction plate and the guide rail are prevented from being made of metal materials, so that the phenomenon that the friction plate and the guide rail are excessively abraded due to friction is avoided, and the service life of the friction plate and the service life of the guide rail are prolonged.
Preferably, a hollow rubber layer is arranged on the inner wall of one side of the guide rail, which is opposite to the rectangular through groove; the hollow rubber layer is internally provided with hollow cavities at even intervals along the vertical direction.
Through set up the hollow rubber layer on the one side inner wall that the relative rectangle of guide rail led to the groove, and then when the friction plate rotated, the lower extreme of friction plate can be easier to the hollow rubber layer, and then made the both ends of friction plate extrude with the inboard of guide rail fast, and then made the speed of chucking between friction plate and the guide rail faster, further guaranteed anti-falling device's security, further guaranteed electrician's the security of high altitude construction on the wire pole.
Preferably, spiral steel bars are vertically arranged inside the concrete column body; the spiral ring of the spiral steel bar is attached to the outer surface of one side of the guide rail; the spiral steel bar is tightly pressed on one side surface of the guide rail through a metal strip which is vertically arranged; the metal strips and the guide rails are fixed at uniform intervals through screws.
The spiral steel bar is tightly pressed on one side surface of the guide rail through the metal strip which is vertically arranged, so that the guide rail can be stably connected to the concrete column, and the bearing capacity of the guide rail and the safety of the anti-falling device are further ensured; and the rationality of the guide rail installation process can be ensured through the pre-installation mode, and the connection reliability can be well ensured.
The invention has the following beneficial effects:
1. when an electrician climbs upwards along a telegraph pole, one end of the columnar lantern ring of the connecting rod is pulled through the safety belt, so that the connecting rod drives the friction plate to swing, the friction plate rotates around the center of the connecting rod under the action of the supporting force of the elastic piece, the upper end and the lower end of the friction plate are separated from being in contact with the inner wall of the guide rail, the friction plate, the elastic piece and the connecting rod slide upwards along the guide rail under the action of the pulling force of the safety belt, and the anti-falling device cannot influence the climbing of the electrician on the telegraph pole, so that the electrician can use the anti-falling device conveniently; when the connecting rod is not subjected to upward pulling force of the safety belt, the upper end of the friction plate is inclined towards the surface provided with the rectangular through groove under the action of the rebounding force of the elastic piece, so that the upper end of the friction plate is abutted against the inner wall of the guide rail, the lower end of the friction plate is inclined towards one side surface opposite to the rectangular through groove, so that the lower end of the friction plate is abutted against the inner wall of the guide rail, when an electrician encounters the danger of foot losing and falling, the safety belt rapidly pulls one end of the columnar lantern ring of the connecting rod downwards, the friction plate rotates around the center of the connecting rod through the connecting rod serving as a lever, so that the upper end and the lower end of the friction plate are simultaneously extruded towards the inner wall of the guide rail, so that large friction force is generated between the two ends of the friction plate and the inner wall of the guide rail, relative sliding between the friction plate and the guide rail cannot occur, and the safety belt can timely hang the body of the electrician through the connecting plate connected to the friction plate, and further ensure the safety of high-altitude operation of the electrician on the telegraph pole.
2. According to the anti-falling device, one end of the first spring is arranged in the sinking groove of the friction plate, and the other end of the first spring is arranged in the first counter bore of the top cap, so that the anti-bending capacity of the first spring is better, the friction plate can better compress the first spring in the swinging process, the first spring is further ensured to better exert the counter-elastic force on the friction plate, the other side of the friction plate can be further ensured to be better abutted against the inner wall of the guide rail, the stable friction force between the friction plate and the inner wall of the guide rail is further ensured, the stability of the anti-falling device is further ensured, and the safety of an electrician in circuit maintenance is further improved; in the process that the safety belt drives the friction plate, the elastic piece and the connecting rod to slide upwards, because the end of the top cap is arranged to be hemispherical, the friction force between the top cap and the inner wall of the guide rail is small, the movement flexibility of the friction plate, the elastic piece and the connecting rod is improved, and the falling prevention device cannot influence the climbing of an electrician on a telegraph pole, so that the use of the electrician is convenient.
3. According to the anti-falling device, the second springs and the sliding caps are symmetrically arranged in the middle parts of the two sides of the friction plate, so that the friction plate is supported through the second springs and the sliding caps, a certain gap is reserved between the two sides of the friction plate and the inner wall of the guide rail, the friction plate cannot deflect due to friction with the inner wall of the guide rail in the rotating process, the phenomenon that the friction plate is clamped is avoided, the moving stability of the friction plate is improved, the stability of the anti-falling device is guaranteed, and the safety of an electrician in circuit maintenance is improved.
4. According to the invention, the wear-resistant rubber layer is arranged on the inner wall of one side of the guide rail, which is close to the rectangular through groove, when the friction plate rotates, the upper end of the friction plate extrudes the wear-resistant rubber layer, so that the wear-resistant rubber layer is extruded and deformed, and further the contact area between the friction plate and the wear-resistant rubber layer is increased, so that the friction force between the friction plate and the wear-resistant rubber layer is improved, further the relative sliding between the friction plate and the guide rail is avoided, and the safety of high-altitude operation of an electrician on a telegraph pole is further ensured; meanwhile, the friction plate and the guide rail are prevented from being made of metal materials, so that the phenomenon that the friction plate and the guide rail are excessively abraded due to friction is avoided, and the service life of the friction plate and the service life of the guide rail are prolonged.
Drawings
The invention will be further explained with reference to the drawings.
Figure 1 is a schematic overall structure of a utility pole of the present invention;
figure 2 is a front view of a utility pole of the present invention;
FIG. 3 is a schematic view of the internal structure of the fall arrest device of the present invention;
FIG. 4 is a schematic view showing the distribution of the elastic members in the present invention;
FIG. 5 is a schematic view showing the internal structure of the elastic member according to the present invention;
FIG. 6 is a schematic view of the connection of the helical reinforcement to the guide rail according to the present invention;
in the figure: the anti-falling device comprises a concrete column 1, an anti-falling device 2, a guide rail 21, a rectangular through groove 211, a wear-resistant rubber layer 212, a hollow rubber layer 213, a friction plate 22, a sinking groove 221, a second counter bore 222, a connecting rod 23, a cylindrical sleeve ring 231, an elastic piece 24, a first spring 241, a top cap 242, a first counter bore 243, a second spring 251, a sliding cap 252, a third counter bore 253, a spiral steel bar 3, a metal strip 4 and a screw 5.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 3, a utility pole with a fall-prevention safety function comprises a concrete column 1 and a fall-prevention device 2; the anti-falling device 2 comprises a guide rail 21, a friction plate 22, a connecting rod 23 and an elastic piece 24; the guide rail 21 is arranged along the length direction of the concrete column 1; the guide rail 21 is pre-embedded in the concrete column body 1; the guide rail 21 is of a square pipe structure; a rectangular through groove 211 is formed in the surface of the guide rail 21 exposed outside the concrete column 1; the friction plate 22 is obliquely arranged inside the guide rail 21; the upper end of the friction plate 22 is inclined upwards to the surface provided with the rectangular through groove 211; the lower end of the friction plate 22 is inclined relative to one side surface of the rectangular through groove 211; the upper end and the lower end of the friction plate 22 are both provided with fillets; one end of the connecting rod 23 is fixedly connected to one side surface of the upper end of the friction plate 22 close to the rectangular through groove 211; the connecting rod 23 penetrates through the rectangular through groove 211; a cylindrical sleeve ring 231 is arranged at the other end part of the connecting rod 23; elastic pieces 24 are arranged on the surface of the upper end of the friction plate 22, which is far away from one side of the rectangular through groove 211, and the surface of the lower end of the friction plate 22, which is close to one side of the rectangular through groove 211; the elastic member 24 is used to make the upper end of the friction plate 22 keep in contact with the surface having the rectangular through groove 211 and make the lower end of the friction plate 22 keep in contact with the surface far away from the rectangular through groove 211.
When the anti-falling device works, an electrician needs to climb a telegraph pole to maintain a circuit, a safety belt is connected to the columnar lantern ring 231 of the connecting rod 23, when the electrician climbs upwards along the telegraph pole, one end of the columnar lantern ring 231 of the connecting rod 23 is pulled through the safety belt, then the connecting rod 23 drives the friction plate 22 to swing, then the friction plate 22 rotates around the center of the friction plate 22 under the action of the supporting force of the elastic piece 24, then the upper end and the lower end of the friction plate 22 are both separated from being in contact with the inner wall of the guide rail 21, and further the friction plate 22, the elastic piece 24 and the connecting rod 23 slide upwards along the guide rail 21 under the action of the pulling force of the safety belt, so that the anti-falling device 2 cannot influence the climbing of the electrician on the telegraph pole, and the use of the electrician is facilitated; when the connecting rod 23 is not subjected to upward pulling force of the safety belt, the upper end of the friction plate 22 is inclined towards the surface provided with the rectangular through groove 211 under the action of the rebounding force of the elastic piece 24, so that the upper end of the friction plate 22 is abutted against the inner wall of the guide rail 21, and the lower end of the friction plate 22 is inclined towards one side surface opposite to the rectangular through groove 211, so that the lower end of the friction plate 22 is abutted against the inner wall of the guide rail 21, so that when an electrician encounters a risk of losing foot, the safety belt rapidly pulls one end of the columnar lantern ring 231 of the connecting rod 23 downwards, so that the friction plate 22 rotates around the center of the connecting rod 23 as a lever, so that the upper end and the lower end of the friction plate 22 are simultaneously extruded towards the inner wall of the guide rail 21, and then a large friction force is generated between the two ends of the friction plate 22 and the inner wall of the guide rail 21, and then relative sliding between the friction plate 22 and the guide rail 21 cannot occur, the safety belt can timely hang the body of an electrician through the connecting plate connected to the friction plate 22, and the safety of the electrician in high-altitude operation on the telegraph pole is further ensured; moreover, the tool box or the equipment for maintaining the circuit is hung on the connecting rod 23 and then is lifted by an electrician once, so that some heavier tool boxes or equipment for maintaining the circuit can be conveyed upwards discontinuously along the telegraph pole, and the electrician can conveniently implement the circuit maintenance work.
As shown in fig. 2 to 5, the elastic member 24 includes a first spring 241 and a top cap 242; the surface of the upper end of the friction plate 22, which is far away from the rectangular through groove 211, and the surface of the lower end of the friction plate 22, which is close to the rectangular through groove 211, are provided with sunk grooves 221; one end of the first spring 241 is fixedly connected in the sinking groove 221; the other end of the first spring 241 is fixedly connected in a first counter bore 243 at one end of the top cap 242; the other end of the top cap 242 is hemispherical; the hemispherical surface of the top cap 242 is abutted against the inner wall of the guide rail 21.
One end of a first spring 241 is arranged in the sinking groove 221 of the friction plate 22, and the other end of the first spring 241 is arranged in a first counter bore 243 of the top cap 242, so that the bending resistance of the first spring 241 is better, the friction plate 22 can better compress the first spring 241 in the swinging process, the first spring 241 is better ensured to exert the counter-elastic force on the friction plate 22, the other side of the friction plate 22 can be better abutted against the inner wall of the guide rail 21, the stable friction force between the friction plate 22 and the inner wall of the guide rail 21 is further ensured, the stability of the anti-falling device 2 is further ensured, and the safety of an electrician in circuit maintenance is further improved; in the process that the safety belt drives the friction plate 22, the elastic piece 24 and the connecting rod 23 to slide upwards, because the end of the top cap 242 is arranged to be hemispherical, the friction force between the top cap 242 and the inner wall of the guide rail 21 is small, the flexibility of the movement of the friction plate 22, the elastic piece 24 and the connecting rod 23 is improved, and the anti-falling device 2 cannot influence the climbing of an electrician on a telegraph pole, so that the use of the electrician is convenient.
As shown in fig. 4 and 5, a second counter bore 222 is symmetrically arranged in the middle of each side face of the friction plate 22; a second spring 251 and a sliding cap 252 are arranged in the second counter bore 222; one end of the second spring 251 abuts against the bottom of the second counter bore 222; the other end of the second spring 251 abuts against a third counter bore 253 arranged at one end of the sliding cap 252; the other end of the sliding cap 252 is arranged to be a hemispherical structure; the hemispherical surface of the sliding cap 252 abuts against the inner wall of the guide rail 21.
Set up spring 251 and slip cap 252 through the both sides middle part symmetry at friction plate 22, and then support friction plate 22 through spring 251 and slip cap 252, and then make and remain certain clearance between friction plate 22's both sides and the guide rail 21 inner wall, and then make friction plate 22 can not take place the skew because of rubbing with the inner wall of guide rail 21 at the pivoted in-process, and then avoid appearing friction plate 22 card dead phenomenon, and then improved the stationarity of friction plate 22 motion, and then guarantee anti-falling device 2's stability, and then the security of electrician when circuit maintenance has been improved.
As shown in fig. 2 and 3, a wear-resistant rubber layer 212 is disposed on an inner wall of the guide rail 21 on a side close to the rectangular through slot 211.
By arranging the wear-resistant rubber layer 212 on the inner wall of the guide rail 21 close to one side of the rectangular through groove 211, when the friction plate 22 rotates, the upper end of the friction plate 22 extrudes the wear-resistant rubber layer 212, the wear-resistant rubber layer 212 is extruded and deformed, the contact area between the friction plate 22 and the wear-resistant rubber layer 212 is increased, the friction force between the friction plate 22 and the wear-resistant rubber layer 212 is further improved, relative sliding between the friction plate 22 and the guide rail 21 is further avoided, and the safety of high-altitude operation of an electrician on a telegraph pole is further ensured; meanwhile, the friction plate 22 and the guide rail 21 are prevented from being made of metal materials, so that the phenomenon that the friction plate 22 and the guide rail 21 are excessively abraded due to friction is avoided, and the service lives of the friction plate 22 and the guide rail 21 are prolonged.
As shown in fig. 2 and 3, a hollow rubber layer 213 is disposed on an inner wall of the guide rail 21 on one side opposite to the rectangular through slot 211; hollow cavities are uniformly arranged in the hollow rubber layer 213 along the vertical direction at intervals.
Through set up hollow rubber layer 213 on the relative one side inner wall that leads to groove 211 at guide rail 21, and then when friction plate 22 rotated, the lower extreme of friction plate 22 can be easier to hollow rubber layer 213, and then make the both ends of friction plate 22 extrude with the inboard of guide rail 21 fast, and then make the speed of chucking between friction plate 22 and the guide rail 21 faster, further guaranteed anti-falling device 2's security, further guaranteed the security of electrician's high altitude construction on the wire pole.
As shown in fig. 2, 3 and 6, a spiral steel bar 3 is vertically arranged inside the concrete column 1; the spiral ring of the spiral steel bar 3 is attached to the outer surface of one side of the guide rail 21; the spiral reinforcing steel bar 3 is tightly pressed on one side surface of the guide rail 21 through a metal strip 4 which is vertically arranged; the metal strips 4 and the guide rails 21 are fixed at regular intervals by screws 5.
The spiral steel bar 3 is tightly pressed on one side surface of the guide rail 21 through the metal strip 4 which is vertically arranged, so that the guide rail 21 can be stably connected to the concrete column body 1, and the bearing capacity of the guide rail 21 and the safety of the anti-falling device 2 are further ensured; and the rationality of the installation process of the guide rail 21 can be ensured and the connection reliability can be well ensured through a pre-installation mode.
When the anti-falling device works, an electrician needs to climb a telegraph pole to maintain a circuit, a safety belt is connected to the columnar lantern ring 231 of the connecting rod 23, when the electrician climbs upwards along the telegraph pole, one end of the columnar lantern ring 231 of the connecting rod 23 is pulled through the safety belt, then the connecting rod 23 drives the friction plate 22 to swing, then the friction plate 22 rotates around the center of the friction plate 22 under the action of the supporting force of the elastic piece 24, then the upper end and the lower end of the friction plate 22 are both separated from being in contact with the inner wall of the guide rail 21, and further the friction plate 22, the elastic piece 24 and the connecting rod 23 slide upwards along the guide rail 21 under the action of the pulling force of the safety belt, so that the anti-falling device 2 cannot influence the climbing of the electrician on the telegraph pole, and the use of the electrician is facilitated; when the connecting rod 23 is not subjected to upward pulling force of the safety belt, the upper end of the friction plate 22 is inclined towards the surface provided with the rectangular through groove 211 under the action of the rebounding force of the elastic piece 24, so that the upper end of the friction plate 22 is abutted against the inner wall of the guide rail 21, and the lower end of the friction plate 22 is inclined towards one side surface opposite to the rectangular through groove 211, so that the lower end of the friction plate 22 is abutted against the inner wall of the guide rail 21, so that when an electrician encounters a risk of losing foot, the safety belt rapidly pulls one end of the columnar lantern ring 231 of the connecting rod 23 downwards, so that the friction plate 22 rotates around the center of the connecting rod 23 as a lever, so that the upper end and the lower end of the friction plate 22 are simultaneously extruded towards the inner wall of the guide rail 21, and then a large friction force is generated between the two ends of the friction plate 22 and the inner wall of the guide rail 21, and then relative sliding between the friction plate 22 and the guide rail 21 cannot occur, and then the connecting plate that connects through the friction plate 22 makes the safety belt hang electrician's health in time, and then has guaranteed electrician's security of carrying out the high altitude construction on the wire pole.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (4)
1. The utility model provides a wire pole with prevent safety function that falls which characterized in that: comprises a concrete column body (1) and a falling-preventing device (2); the anti-falling device (2) comprises a guide rail (21), a friction plate (22), a connecting rod (23) and an elastic piece (24); the guide rail (21) is arranged along the length direction of the concrete column body (1); the guide rail (21) is embedded in the concrete column body (1); the guide rail (21) is of a square pipe structure; a rectangular through groove (211) is formed in the surface, exposed outside the concrete column body (1), of the guide rail (21); the friction plate (22) is obliquely arranged in the guide rail (21); the upper end of the friction plate (22) is obliquely arranged towards the surface provided with the rectangular through groove (211); the lower end of the friction plate (22) is obliquely arranged relative to one side surface of the rectangular through groove (211); the upper end and the lower end of the friction plate (22) are both provided with fillets; one end of the connecting rod (23) is fixedly connected to one side surface, close to the rectangular through groove (211), of the upper end of the friction plate (22); the connecting rod (23) penetrates through the rectangular through groove (211); a columnar sleeve ring (231) is arranged at the end part of the other end of the connecting rod (23); elastic pieces (24) are arranged on the surface of one side, away from the rectangular through groove (211), of the upper end of the friction plate (22) and the surface of one side, close to the rectangular through groove (211), of the lower end of the friction plate (22); the elastic piece (24) is used for keeping the upper end of the friction plate (22) in interference with the surface with the rectangular through groove (211) and keeping the lower end of the friction plate (22) in interference with the surface far away from the rectangular through groove (211);
the elastic piece (24) comprises a first spring (241) and a top cap (242); the surface of one side, away from the rectangular through groove (211), of the upper end of the friction plate (22) and the surface of one side, close to the rectangular through groove (211), of the lower end of the friction plate (22) are both provided with a sunk groove (221); one end of the first spring (241) is fixedly connected in the sinking groove (221); the other end of the first spring (241) is fixedly connected in a first counter bore (243) at one end of the top cap (242); the other end of the top cap (242) is hemispherical; the hemispherical surface of the top cap (242) is abutted against the inner wall of the guide rail (21);
a spiral reinforcing steel bar (3) is vertically arranged in the concrete column body (1); the spiral ring of the spiral steel bar (3) is attached to the outer surface of one side of the guide rail (21); the spiral reinforcing steel bars (3) are tightly pressed on one side surface of the guide rail (21) through metal strips (4) which are vertically arranged; the metal strips (4) and the guide rails (21) are fixed at uniform intervals through screws (5).
2. The utility pole with the function of fall protection safety as claimed in claim 1, characterized in that: the middle parts of two side surfaces of the friction plate (22) are symmetrically provided with a second counter bore (222); a second spring (251) and a sliding cap (252) are arranged in the second counter bore (222); one end of the second spring (251) abuts against the bottom of the second counter bore (222); the other end of the second spring (251) is abutted against a third counter bore (253) arranged at one end of the sliding cap (252); the other end of the sliding cap (252) is arranged into a hemispherical structure; the hemispherical surface of the sliding cap (252) abuts against the inner wall of the guide rail (21).
3. The utility pole with the fall-prevention safety function as claimed in claim 2, wherein: and a wear-resistant rubber layer (212) is arranged on the inner wall of one side of the guide rail (21) close to the rectangular through groove (211).
4. The utility pole with the fall-prevention safety function as claimed in claim 3, wherein: a hollow rubber layer (213) is arranged on the inner wall of one side of the guide rail (21) opposite to the rectangular through groove (211); hollow cavities are uniformly arranged in the hollow rubber layer (213) at intervals along the vertical direction.
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| CN202011058906.0A CN112144943B (en) | 2020-09-30 | 2020-09-30 | Wire pole with safety function of preventing falling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011058906.0A CN112144943B (en) | 2020-09-30 | 2020-09-30 | Wire pole with safety function of preventing falling |
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| CN112144943A CN112144943A (en) | 2020-12-29 |
| CN112144943B true CN112144943B (en) | 2021-10-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115518315A (en) * | 2022-10-14 | 2022-12-27 | 张家港宏昌钢板有限公司 | Exempt from to take off and hang spherical track of safety belt |
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| CN204337548U (en) * | 2015-03-13 | 2015-05-20 | 中际联合（北京）科技股份有限公司 | A kind of rail catching device of aloft work anti-falling |
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| CN111335465A (en) * | 2020-03-20 | 2020-06-26 | 哈尔滨工业大学 | Rotatable self-resetting node connecting structure of assembled concrete beam column and assembling method |
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- 2020-09-30 CN CN202011058906.0A patent/CN112144943B/en active Active
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| CN2728550Y (en) * | 2004-07-09 | 2005-09-28 | 宁波天弘电力器具有限公司 | Guide external safety hook |
| EP2527009A2 (en) * | 2011-05-24 | 2012-11-28 | Lorenz Hasenbach GmbH & Co. KG | Fall protection runner |
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| CN112144943A (en) | 2020-12-29 |
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