CN215275491U

CN215275491U - Anti-falling device for power transmission line iron tower

Info

Publication number: CN215275491U
Application number: CN202120906207.0U
Authority: CN
Inventors: 程玲; 陈晓鹏; 李加玉
Original assignee: Yunnan Jianyuan Electric Power Equipment Co ltd
Current assignee: Yunnan Jianyuan Electric Power Equipment Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-12-24
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a transmission line iron tower anti-falling device relates to iron tower anti-falling equipment technical field, include main part, concave block, positioning groove, accomodate recess, grip block, bear slider, gyro wheel, ratchet, pawl, back shaft, execute pinch roller, displacement slider, reset spring, push-and-pull rod and trapezoidal slider. The utility model discloses a set up the gyro wheel, the ratchet, pawl and compression spring have played the effect that improves the result of use, the sensitivity of device has been increased, can be timely with the guide cable locking, avoid locking untimely cause staff's injured or even cause the disabled condition to take place, make the security obtain the guarantee, still through setting up trapezoidal slider, the push-and-pull rod, reset spring and displacement slider have played and have improved dismouting efficiency, the effect of convenient to use, can conveniently install the device in the guide cable outside, and the operation is simple, high durability and convenient use, the working strength of operation personnel has been reduced, the efficiency of high altitude construction has been improved, the result of use preferred.

Description

Anti-falling device for power transmission line iron tower

Technical Field

The utility model relates to an equipment technical field that falls is prevented to iron tower specifically is a transmission line iron tower anti-falling device.

Background

The transmission line iron tower is a tower-shaped building for power transmission, and is structurally characterized in that various tower types belong to the structural design of a space truss, rod pieces mainly comprise single equilateral angle steel or combined angle steel, bolts are connected among the rod pieces and connected by the bolts in a shearing force mode, the whole tower integrally comprises angle steel, connecting steel plates, bolts and other parts, individual parts such as tower legs are welded into a combined piece by a plurality of steel plates, when an operator needs to overhaul a line, the iron tower needs to be climbed frequently, in order to protect the safety of the operator and avoid falling, the traditional mode mainly adopts a method of shifting up by two safety belts in an alternative mode to climb, and the traditional mode also adopts a mode of locking a guide cable by a safety hook to avoid the operator from falling accidentally.

But present transmission line iron tower anti-falling device, the result of use is relatively poor, and the device can not be timely when the operation personnel accident falls locking the guide cable, often just plays the effect after the operation personnel has fallen a certain distance, causes the staff injury or even causes the disability, and it does not really play the effect of preventing falling, and the security is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transmission line iron tower anti-falling device to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a transmission line iron tower anti-falling device, includes the main part, bottom one side of main part articulates there is the spill piece, outer wall one side of main part be equipped with spill piece assorted positioning groove, positioning groove's inside one side is kept away from to the main part is equipped with locking mechanism, inside one side level that the main part is close to positioning groove is equipped with the transmission shaft of rotating the connection, the fixed cover of outer wall of transmission shaft is equipped with the gyro wheel, the one end of gyro wheel extends to inside the positioning groove, the fixed cover in outer wall one side of transmission shaft is equipped with the ratchet, inside one side of main part articulate have with ratchet assorted pawl, top one side of pawl is equipped with compression spring, inside one side of spill piece is equipped with block mechanism.

Further, locking mechanism is including articulating in a plurality of catch bar of the inside one side of main part, the inside one side that the main part is close to positioning groove is equipped with accomodates the recess, the one end of catch bar extends to accomodate the inside articulated same grip block that has of recess, positioning groove's outer wall one side swing joint is kept away from to the main part has the carrier block, the one end that the grip block was kept away from to the catch bar extends to the main part outside all with carrier block swing joint, its effect that plays the locking guide cable when operating personnel tenesmus.

Furthermore, movable sliding blocks are movably connected to two sides of the inner portion, close to the transmission shaft, of the concave block, pressing springs are fixedly connected to one sides, far away from the outer wall of the transmission shaft, of the movable sliding blocks, supporting shafts are fixedly connected between the adjacent outer walls of the movable sliding blocks, and pressing wheels are movably sleeved on one sides of the outer walls of the supporting shafts and play a role in pressing the guide cables and improving friction force.

Further, block mechanism includes the displacement slider of swing joint in concave piece outer wall one side, the displacement slider is located concave piece and keeps away from outer wall one side of main part, the displacement slider is close to outer wall one side of main part and extends to the inside reset spring that is equipped with of main part, the displacement slider is close to that reset spring's outer wall both sides are articulated to have a push-and-pull rod, the outer wall both sides swing joint of concave piece has trapezoidal slider, the one end that the displacement slider was kept away from to the push-and-pull rod is articulated with trapezoidal slider outer wall one side, and it plays block concave piece and main part, makes the effect that the device is convenient for use.

Furthermore, the locking groove matched with the clamping plate is formed in one side of the inner wall of the concave block, the locking effect is improved, the hook is arranged on one side, away from the main body, of the outer wall of the bearing sliding block, installation and use are convenient, and the T-shaped limiting blocks are arranged on one side, close to the main body, of the outer wall of the bearing sliding block, so that the sliding stability is improved.

Furthermore, the inner wall both sides of positioning groove are equipped with trapezoidal slider assorted block recess, cooperate trapezoidal slider to play spacing locking's effect, inside one side of concave block is equipped with trapezoidal slider assorted spacing spout, plays spacing and guide trapezoidal slider motion's effect.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. this transmission line iron tower anti-falling device has played the effect that improves the result of use through setting up gyro wheel, ratchet, pawl and pressure spring, has increased the sensitivity of device, can be timely with the cable locking, avoids locking untimely to cause staff's injury or even cause the condition emergence of disability, makes the security obtain the guarantee.

2. This transmission line iron tower anti-falling device has played through setting up trapezoidal slider, push-and-pull rod, reset spring and displacement slider and has improved dismouting efficiency, and the effect of convenient to use can conveniently install the device in the cable guide outside, easy operation, and convenient to use has reduced operation personnel's working strength, has improved high altitude construction's efficiency, the result of use preferred.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a front view of the present invention

FIG. 2 is a top view of the present invention

FIG. 3 is a schematic view of the structure of the pawl of the present invention

Fig. 4 is a schematic structural diagram of the trapezoidal slider of the present invention.

In the figure: 1. a main body; 2. a concave block; 3. a positioning groove; 4. a push rod; 5. a receiving groove; 6. a clamping plate; 7. a load bearing slider; 8. a drive shaft; 9. a roller; 10. a ratchet wheel; 11. a pawl; 12. a compression spring; 13. a movable slide block; 14. a pressure applying spring; 15. a support shaft; 16. applying a pressing wheel; 17. a displacement slide block; 18. a return spring; 19. a push-pull rod; 20. a trapezoidal slider.

Detailed Description

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

As shown in fig. 1-4, the anti-falling device for the power transmission line iron tower comprises a main body 1, wherein a concave block 2 is hinged to one side of the bottom of the main body 1, a positioning groove 3 matched with the concave block 2 is arranged on one side of the outer wall of the main body 1, a locking mechanism is arranged on one side of the main body 1 away from the inside of the positioning groove 3, the locking mechanism comprises a plurality of push rods 4 hinged to one side of the inside of the main body 1, a containing groove 5 is arranged on one side of the main body 1 close to the inside of the positioning groove 3, one end of each push rod 4 extends to the inside of the containing groove 5 and is hinged with a clamping plate 6, a bearing slide block 7 is movably connected to one side of the outer wall of the main body 1 away from the positioning groove 3, one end of each push rod 4 far from the clamping plate 6 extends to the outside of the main body 1 and is movably connected with the bearing slide block 7, and a transmission shaft 8 which is rotatably connected is horizontally arranged on one side of the inside of the main body 1 close to the positioning groove 3, the fixed cover of outer wall of transmission shaft 8 is equipped with gyro wheel 9, inside the one end of gyro wheel 9 extended to positioning groove 3, the fixed cover in outer wall one side of transmission shaft 8 is equipped with ratchet 10, inside one side of main part 1 articulates there is pawl 11 with ratchet 10 assorted, top one side of pawl 11 is equipped with pressure spring 12, inside one side of concave piece 2 is equipped with block mechanism, concave piece 2 is close to the inside both sides swing joint of transmission shaft 8 has movable slider 13, outer wall one side fixedly connected with pressure spring 14 of transmission shaft 8 is kept away from to movable slider 13, fixedly connected with back shaft 15 between the adjacent outer wall of movable slider 13, outer wall one side movable cover of back shaft 15 is equipped with pressure applying wheel 16, and it plays and compresses tightly the guide cable, improves the effect of frictional force.

The utility model discloses a device, including concave piece 2, grip block 7, safety rope, operating personnel, the inner wall one side of concave piece 2 is equipped with 6 assorted closure recesses of grip block, grip block 6 compresses tightly the guide cable to the closure recess in, makes it distorted, has improved the locking effect, the outer wall one side that main part 1 was kept away from to bearing slider 7 is equipped with the couple, and operating personnel is connected the safety rope that device and self bound through the couple, and the use of being convenient for installation, bearing slider 7 is close to main part 1's outer wall one side and is equipped with a plurality of T shape stopper, bearing slider 7 slides from top to bottom in main part 1 surface through T shape stopper, has improved sliding stability.

The implementation mode is specifically as follows: when the cable-free clamping device is installed, firstly, a guide cable is placed in a positioning groove 3 on one side of a main body 1, then a concave block 2 is rotated to be kept attached to the positioning groove 3, at the moment, a clamping mechanism locks the concave block 2, in the process, a pressure applying wheel 16 is firstly contacted with the guide cable, then a support shaft 15 is driven to move under the action of pressure, the support shaft 15 drives a movable sliding block 13 to move, the movable sliding block 13 slides to one side against the pressure of a pressure applying spring 14, then the pressure applying wheel 16 applies acting force to enable the guide cable to be kept attached to a roller 9, when an operator accidentally falls, a bearing sliding block 7 and the main body 1 lose weight and begin to fall down simultaneously, at the moment, the guide cable is kept closely attached to the roller 9, then the guide cable drives the roller 9 to reversely rotate, the roller 9 drives a transmission shaft 8 to rotate, the transmission shaft 8 drives a ratchet 10 to move, and a pawl 11 is kept attached to the ratchet 10 under the action of a compression spring 12, therefore, the ratchet 10 is not stopped by the pawl 11, so that the friction force between the guide cable and the roller 9 is converted into sliding friction, so that the main body 1 is subjected to the action of resistance and generates relative motion with the bearing slide block 7, then the bearing slide block 7 drives the push rod 4 to rotate under the pulling of the safety rope of an operator, the push rod 4 drives the clamping plate 6 to move, the clamping plate 6 starts to clamp the guide cable, so that the operator does not fall down, the structure is arranged to play a role in improving the use effect, the sensitivity of the device is increased, the guide cable can be locked timely, the situation that the operator is injured or even injured due to untimely locking is avoided, and the safety is guaranteed.

As shown in fig. 1 and 4, the anti-falling device for the power transmission line iron tower further comprises a clamping mechanism, the clamping mechanism comprises a displacement slider 17 movably connected to one side of the outer wall of the concave block 2, the displacement slider 17 is positioned on one side of the outer wall of the concave block 2, which is far away from the main body 1, one side of the outer wall of the displacement slider 17, which is close to the main body 1, extends to the inside of the main body 1 to be provided with a reset spring 18, two sides of the outer wall of the displacement slider 17, which is close to the reset spring 18, are hinged to push-pull rods 19, two sides of the outer wall of the concave block 2 are movably connected to trapezoidal sliders 20, one end of each push-pull rod 19, which is far away from the displacement slider 17, is hinged to one side of the outer wall of the trapezoidal slider 20, and the clamping concave block 2 and the main body 1 is achieved, so that the device is convenient to use.

The inner wall both sides of positioning groove 3 are equipped with the block recess with trapezoidal slider 20 assorted, and during the use, trapezoidal slider 20 keeps closely laminating with the block recess, and it cooperates trapezoidal slider 20 to play spacing locking's effect, the inside one side of concave block 2 is equipped with the spacing spout with trapezoidal slider 20 assorted, trapezoidal slider 20 carries out horizontal concertina movement along spacing spout under push-and-pull rod 19's drive, plays spacing and guide trapezoidal slider 20 effect of moving.

The implementation mode is specifically as follows: when the concave block 2 is attached to the positioning groove 3, the trapezoidal sliding block 20 is pushed by the outer wall of the main body 1 to retract into the concave block 2, then when the concave block 2 completely falls into the positioning groove 3, the trapezoidal sliding block 20 loses the limit, the reset spring 18 pushes the displacement sliding block 17 to move, the displacement sliding block 17 drives the push-pull rod 19 to move, the push-pull rod 19 drives the trapezoidal sliding block 20 to extend into two sides of the positioning groove 3, at the moment, the concave block 2 is locked, after the use of an operator is completed, the displacement sliding block 17 can pull the trapezoidal sliding block 20 through the push-pull rod 19 by only pressing the displacement sliding block 17 and overcoming the tension of the reset spring 18, then the trapezoidal sliding block 20 is loosened to limit, the dismounting efficiency is improved and the use is facilitated by arranging the above structure, the device can be conveniently installed on the outer side of the guide cable, the operation is simple and the use is facilitated, and the working strength of the operator is reduced, the efficiency of high altitude construction is improved, the result of use preferred.

The utility model discloses a theory of operation:

referring to the attached drawings 1-4 of the specification, the roller 9, the ratchet 10, the pawl 11 and the compression spring 12 are arranged to play a role in improving the using effect, so that the sensitivity of the device is improved, the guide cable can be locked timely, the situation that workers are injured or even disabled due to untimely locking is avoided, and the safety is guaranteed.

Furthermore, referring to the attached drawings 1 and 4 of the specification, the trapezoidal sliding block 20, the push-pull rod 19, the return spring 18 and the displacement sliding block 17 are arranged, so that the dismounting efficiency is improved, the use is convenient, the device can be conveniently installed on the outer side of the guide cable, the operation is simple, the use is convenient, the working strength of operators is reduced, the efficiency of high-altitude operation is improved, and the using effect is good.

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

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a transmission line iron tower anti-falling device, includes main part (1), its characterized in that: a concave block (2) is hinged on one side of the bottom of the main body (1), a positioning groove (3) matched with the concave block (2) is arranged on one side of the outer wall of the main body (1), a locking mechanism is arranged on one side of the main body (1) far away from the inner part of the positioning groove (3), a transmission shaft (8) which is rotatably connected is horizontally arranged on one side of the main body (1) close to the inner part of the positioning groove (3), the outer wall of the transmission shaft (8) is fixedly sleeved with a roller (9), one end of the roller (9) extends into the positioning groove (3), a ratchet wheel (10) is fixedly sleeved on one side of the outer wall of the transmission shaft (8), a pawl (11) matched with the ratchet wheel (10) is hinged on one side of the inner part of the main body (1), a compression spring (12) is arranged on one side of the top of the pawl (11), and a clamping mechanism is arranged on one side of the interior of the concave block (2).

2. The anti-falling device for the iron tower of the power transmission line according to claim 1, characterized in that: locking mechanism is including articulating in a plurality of catch bar (4) of inside one side of main part (1), inside one side that main part (1) is close to positioning groove (3) is equipped with accomodates recess (5), the one end of catch bar (4) extends to accomodate inside articulated the same grip block (6) of recess (5), outer wall one side swing joint that positioning groove (3) were kept away from in main part (1) has bearing slider (7), the one end that grip block (6) were kept away from in catch bar (4) extends to the main part (1) outside all with bearing slider (7) swing joint.

3. The anti-falling device for the iron tower of the power transmission line according to claim 1, characterized in that: concave piece (2) are close to inside both sides swing joint of transmission shaft (8) has movable slider (13), outer wall one side fixedly connected with pressure spring (14) of transmission shaft (8) are kept away from in movable slider (13), fixedly connected with back shaft (15) between the adjacent outer wall of movable slider (13), the outer wall one side movable sleeve of back shaft (15) is equipped with pressure applying wheel (16).

4. The anti-falling device for the iron tower of the power transmission line according to claim 1, characterized in that: clamping mechanism includes displacement slider (17) of swing joint in concave block (2) outer wall one side, displacement slider (17) are located concave block (2) and keep away from outer wall one side of main part (1), displacement slider (17) are close to the outer wall one side of main part (1) and extend to main part (1) inside and be equipped with reset spring (18), displacement slider (17) are close to the outer wall both sides of reset spring (18) and articulate there is push-and-pull rod (19), the outer wall both sides swing joint of concave block (2) has trapezoidal slider (20), the one end that displacement slider (17) were kept away from in push-and-pull rod (19) is articulated with trapezoidal slider (20) outer wall one side.

5. The anti-falling device for the iron tower of the power transmission line according to claim 1, characterized in that: the locking device is characterized in that a locking groove matched with the clamping plate (6) is formed in one side of the inner wall of the concave block (2), a hook is arranged on one side, away from the main body (1), of the outer wall of the bearing sliding block (7), and a plurality of T-shaped limiting blocks are arranged on one side, close to the main body (1), of the outer wall of the bearing sliding block (7).

6. The anti-falling device for the iron tower of the power transmission line according to claim 4, characterized in that: the inner wall both sides of positioning groove (3) are equipped with trapezoidal slider (20) assorted block recess, the inside one side of concave block (2) is equipped with the spacing spout with trapezoidal slider (20) assorted.