CN220101169U

CN220101169U - Electric power iron tower protector

Info

Publication number: CN220101169U
Application number: CN202320475976.9U
Authority: CN
Inventors: 韩风智; 马琳
Original assignee: Xinjiang Jintaiying Construction Engineering Co ltd
Current assignee: Xinjiang Jintaiying Construction Engineering Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-11-28
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses a protective device for an electric iron tower, which is characterized in that: the electric iron tower protection device comprises a main ladder, wherein a hollow inner cavity is formed in the main ladder, a first vertical downward sliding groove is fixedly formed in the inner wall of the hollow inner cavity, a first sliding rod is connected to the first sliding groove in a sliding mode, a straight rack is fixedly arranged on the first sliding rod and meshed with a first transmission gear, a control box body is mounted on the main ladder and communicated with the hollow inner cavity, and the control box body is composed of a box body door, a second rotating shaft, a second transmission gear, a limiting device and a rotating handle.

Description

Electric power iron tower protector

Technical Field

The utility model relates to the technical field of electric power iron towers, in particular to an electric power iron tower protection device.

Background

The existing electric power iron tower protection cat ladder adopts the original cat ladder structure, most of the electric power iron tower protection cat ladders are not provided with protection devices, safety accidents are easy to occur, and other unrelated personnel can climb up the electric power iron tower through the cat ladder, so that unnecessary property loss and casualties can be caused;

patent document with application number 202021451613.4 discloses "an electric power iron tower protector" including main ladder, install vice ladder on main ladder top, welding are in a plurality of protection rings on vice ladder surface, main ladder top is provided with the connecting block, vice ladder bottom is provided with the engaging lug, the connecting block with engaging lug threaded connection, main ladder with set up between the vice ladder and install the connecting rod, the connecting rod with main ladder with vice ladder articulates the cooperation, vice ladder includes a plurality of ladder, threaded connection between the ladder at each level. The structural design of the utility model can ensure the construction safety of the electric power iron tower for technicians, prevent accidents from happening when the workers climb the electric power tower, and the arrangement of the connecting rods ensures that the main ladder and the auxiliary ladder form an L-shaped structure with 90 degrees when the protective ladder is not used, thereby preventing irrelevant personnel from climbing the electric power iron tower through the ladder, but the auxiliary ladder has poorer fixing performance in the use process, thereby realizing poorer protection effect and not realizing the protection and anti-falling function for the staff in the climbing process.

Disclosure of Invention

The utility model aims to solve the problems and provides a protection device for an electric iron tower.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the method is characterized in that: comprises a main ladder;

the support rod is arranged on the main ladder;

the rotating shaft is movably arranged on the main ladder, anti-grabbing teeth are fixedly arranged on the rotating shaft, and a first transmission gear is fixedly arranged on the left end face of the rotating shaft;

the hollow inner cavity is arranged on the main ladder, a first vertical downward sliding groove is fixedly formed in the inner wall of the hollow inner cavity, a first sliding rod is connected to the first sliding groove in a sliding mode, a straight rack is fixedly arranged on the first sliding rod, and the straight rack is meshed with the first transmission gear;

the control box body is arranged on the main ladder and communicated with the hollow inner cavity, and the control box body consists of a box body door, a second rotating shaft, a second transmission gear, a limiting device and a rotating handle.

Preferably, a through hole is formed in the right end wall of the hollow inner cavity, a shaft sleeve is fixedly arranged in the through hole at the right end of the hollow inner cavity, and a rotating shaft is movably sleeved on the shaft sleeve.

Preferably, the cross section of the first sliding groove is in a convex shape, and the cross section of the first sliding rod is in a convex shape corresponding to the first sliding groove.

Preferably, the control box right side terminal surface is provided with the box door, be provided with the lock body subassembly on the box door, control box intercommunication cavity inner chamber, movable sleeve is equipped with the second axis of rotation on the control box, fixed sleeve is equipped with the second drive gear with straight rack gear engagement in the second axis of rotation, the fixed rotation handle that is provided with of second axis of rotation right side terminal surface, be provided with stop device on the control box.

Preferably, the stop device comprises spacing hole, circular through-hole, stop spring, gag lever post and supporting disk, the supporting disk lower extreme is fixed at the control box lower extreme, the fixed through-hole that is provided with in the middle of the supporting disk, the second axis of rotation passes the through-hole to movable sleeve dress is in the through-hole, be provided with circular through-hole on the supporting disk, the gag lever post slides and passes circular through-hole, movable sleeve is equipped with stop spring on the gag lever post, stop spring one end is fixed on the gag lever post, and the other end is fixed on circular through-hole inner wall, the fixed spacing hole that is provided with a plurality of annular distributions of second drive gear right side terminal surface, the spacing hole corresponds with the gag lever post.

Preferably, the main ladder is provided with a plurality of arc-shaped protection brackets with the same specification, and the upper end and the lower end of the main ladder are fixedly provided with protection rods.

Preferably, the annular shaft sleeve is slidably connected to the protection rod, the annular shaft sleeve and the protection rod are kept static through friction force, a traction rope is arranged on the annular shaft sleeve, the annular shaft sleeve is dragged by the traction rope to slide up and down along the protection rod, the lower end of the annular shaft sleeve is provided with an L-shaped connecting frame, the left end face of the L-shaped connecting frame is provided with a pin shaft, the L-shaped connecting frame is hinged with a connecting rod through the pin shaft, the right end face of the connecting rod is connected with the L-shaped connecting frame through a reset spring, the lower end of the connecting rod is fixedly provided with an arc-shaped limiting frame, the arc-shaped limiting frame corresponds to the protection rod, the arc-shaped limiting frame is in sliding connection with the protection rod under the action of the reset spring, and the upper end of the connecting rod is provided with a falling-preventing rope and is connected with a worker through the falling-preventing rope.

Compared with the prior art, the utility model has the beneficial effects that: the utility model relates to an electric iron tower protection device, in a normal state, an anti-grabbing tooth direction on a first rotating shaft is upward, a limiting rod is inserted into a limiting hole under the action of a limiting spring to fix a second transmission gear, the second transmission gear fixes a straight rack, the straight rack realizes the limiting fixation of the first transmission gear, so that the anti-grabbing tooth direction is upward, the anti-climbing effect is realized, the electric iron tower is protected, when a worker needs to climb and maintain, the worker opens a lock body structure on a control box body through a key, opens a box body door, pulls the limiting rod outwards, breaks away from the limiting hole, compresses the limiting spring, rotates a second rotating shaft through a rotating handle, the second rotating shaft drives the second transmission gear to rotate, and the second transmission gear drives the straight rack to rotate, the straight tooth strip drives the first sliding rod to move upwards along the first sliding groove, meanwhile, the straight tooth strip drives the first transmission gear to rotate, the first transmission gear drives the rotating shaft to rotate, the rotating shaft drives the anti-grabbing teeth to rotate, the anti-grabbing teeth are downwards arranged, the external force to the limiting rod is withdrawn, the limiting rod is inserted into the limiting hole under the action of the limiting spring to realize the limiting effect to the rotating shaft, a worker can climb, after climbing is completed, the rotating shaft is reset, the function of protecting an electric iron tower is realized, when the worker moves upwards, the annular shaft sleeve can be driven to move upwards along the protective rod through the traction rope, when falling occurs, the worker rapidly drops, the anti-falling rope is instantly driven to move downwards, the anti-falling rope drives the connecting rod to rotate anticlockwise around the pin shaft, the arc limiting frame is driven by the connecting rod to contact with the protective rod, and thus the function of preventing the annular shaft sleeve from sliding downwards is realized, the protection function for the staff is realized.

Drawings

Fig. 1 is a front view of the power pylon guard of the present utility model.

Fig. 2 is a schematic structural view of the electric iron tower protection device of the present utility model.

Fig. 3 is a schematic installation view of a rack bar of the electric iron tower protection device of the utility model.

Fig. 4 is a schematic structural view of the electric iron tower protection device a according to the present utility model.

Fig. 5 is a side view of the power pylon guard of the present utility model.

Fig. 6 is a schematic installation view of an arc-shaped limiting frame of the electric iron tower protection device.

In the figure: the novel three-dimensional sliding type elevator comprises a main ladder body, 2-supporting rods, 3-rotating shafts, 4-anti-grabbing teeth, 5-control boxes, 6-box doors, 7-hollow inner cavities, 8-first transmission gears, 9-first sliding grooves, 10-first sliding rods, 11-straight racks, 12-second rotating shafts, 13-second transmission gears, 14-limiting devices, 15-rotating handles, 16-limiting holes, 17-round through holes, 18-limiting rods, 19-limiting springs, 20-arc-shaped protection supports, 21-protection rods, 22-annular shaft sleeves, 23-L-shaped connecting frames, 24-pin shafts, 25-connecting rods and 26-arc-shaped limiting frames.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the method is characterized in that: comprises a main ladder 1, a supporting rod 2 is arranged on the main ladder 1, the main ladder is climbed through the supporting rod, a rotating shaft 3 is movably sleeved on the main ladder 1, an anti-grabbing tooth 4 is arranged at the upper end of the rotating shaft 3, a hollow inner cavity 7 is arranged on the main ladder 1, a through hole is arranged on the right end wall of the hollow inner cavity 7, a shaft sleeve is fixedly arranged in the through hole at the right end of the hollow inner cavity 7, the rotating shaft 3 is movably sleeved on the shaft sleeve, a first transmission gear 8 is fixedly arranged on the left end face of the rotating shaft 3, a first sliding groove 9 which is vertically downward is fixedly arranged on the inner wall of the hollow inner cavity 7, the cross section of the first sliding groove 9 is in a convex shape, a first sliding rod 10 is connected on the first sliding groove 9 in a sliding manner, the cross section of the first sliding rod 10 is in a convex shape corresponding to the first sliding groove 9, a straight rack 11 is fixedly arranged on the first sliding rod 10, the straight rack 11 is meshed with the first transmission gear 8 in a gear way, the main ladder 1 is provided with a control box body 5, the right end face of the control box body 5 is provided with a box body door 6, the box body door 6 is provided with a lock body assembly, the control box body 5 is communicated with a hollow inner cavity 7, the control box body 5 is movably sleeved with a second rotating shaft 12, the second rotating shaft 12 is fixedly sleeved with a second transmission gear 13 meshed with the straight rack 11 in a gear way, the right end face of the second rotating shaft 12 is fixedly provided with a rotating handle 15, the control box body 5 is provided with a limiting device 14, the limiting device 14 consists of a limiting hole 16, a circular through hole 17, a limiting spring 19, a limiting rod 18 and a supporting disc, the lower end of the supporting disc is fixed at the lower end of the control box body 5, a through hole is fixedly arranged in the middle of the supporting disc, the second rotating shaft 12 penetrates through the through hole, the support plate is movably sleeved in the through hole, the support plate is provided with a circular through hole 17, the limit rod 18 slides through the circular through hole 17, the limit rod 18 is movably sleeved with a limit spring 19, one end of the limit spring 19 is fixed on the limit rod 18, the other end of the limit spring is fixed on the inner wall of the circular through hole 17, the right end face of the second transmission gear 13 is fixedly provided with a plurality of annularly distributed limit holes 16, the limit holes 16 correspond to the limit rod 18, in a normal state, the anti-grabbing teeth on the first rotation shaft are upwards directed, the limit rod is inserted into the limit holes under the action of the limit spring, the second transmission gear is fixed on the straight rack, the limit fixing of the first transmission gear is realized, the anti-grabbing teeth are upwards guaranteed, the anti-climbing effect is realized, the protection of the electric iron tower is realized, when a worker needs to climb and maintain, the worker opens the lock body structure on the control box body through the key, opens the box body door, pulls the limiting rod outwards, the limiting rod is separated from the limiting hole, compresses the limiting spring, rotates the second rotating shaft through the rotating handle, the second rotating shaft drives the second transmission gear to rotate, the second transmission gear drives the straight rack to rotate, the straight rack drives the first sliding rod to move upwards along the first sliding groove, meanwhile, the straight rack drives the first transmission gear to rotate, the first transmission gear drives the rotating shaft 3 to rotate, the rotating shaft drives the anti-grabbing teeth to rotate, the external force on the limiting rod is withdrawn in the direction of the anti-grabbing teeth, the limiting rod is inserted into the limiting hole under the action of the limiting spring, the limiting effect on the rotating shaft is realized, the worker can climb, and after climbing is completed, the rotating shaft is reset, the protection function of the electric iron tower is realized;

a plurality of arc-shaped protection brackets 20 with the same specification are arranged on the main ladder 1, so that the anti-falling function for workers is realized;

the upper end and the lower end of the main ladder 1 are fixedly provided with a protective rod 21, the protective rod 21 is connected with an annular shaft sleeve 22 in a sliding manner, the annular shaft sleeve 22 and the protective rod 21 are kept static through friction force, a traction rope is arranged on the annular shaft sleeve 22, the annular shaft sleeve is dragged by the traction rope to slide up and down along the protective rod, the lower end of the annular shaft sleeve 22 is provided with an L-shaped connecting frame 23, the left end face of the L-shaped connecting frame 23 is provided with a pin shaft 24, the L-shaped connecting frame 23 is hinged with a connecting rod 25 through the pin shaft 24, the right end face of the connecting rod 25 is connected with the L-shaped connecting frame 23 through a reset spring 27, the lower end of the connecting rod 25 is fixedly provided with an arc-shaped limiting frame 26, the arc-shaped limiting frame 26 corresponds with the protection rod 21, under the action of the reset spring, the arc-shaped limiting frame 26 is in sliding connection with the protection rod 21, the upper end of the connecting rod 25 is provided with a falling-preventing rope, the falling-preventing rope is connected with a worker, when the protection rod is used, the worker can drive the annular shaft sleeve to move upwards through the traction rope when moving upwards, when falling, the worker can quickly fall, the falling-preventing rope is instantly driven to move downwards, the falling-preventing rope drives the connecting rod to rotate anticlockwise around the pin shaft, the arc-shaped limiting frame is driven to contact with the protection rod through the connecting rod, the function of preventing the annular shaft sleeve from sliding downwards is achieved, and the protection function of the worker is achieved.

The working principle of the utility model is as follows: under normal condition, the anti-grabbing tooth direction on the first rotation axis is upwards, insert spacing downthehole at spacing spring's effect down the gag lever post, realize fixing to second drive gear, second drive gear fixes straight rack, straight rack realizes the spacing fixed to first drive gear, thereby guarantee anti-grabbing tooth direction upwards, realize anti-climbing's effect, realize protecting the electric iron tower, when the staff needs climbing maintenance, the lock body structure on the control box is opened through the key to the box door, and pull the gag lever post outward, the gag lever post breaks away from the spacing downthehole, and compress spacing spring, rotate the second axis of rotation through rotating the handle, the second axis of rotation drives second drive gear rotation, straight rack drives straight rack rotation, first slide bar is followed first slide groove and is upwards moved, simultaneously straight rack drives first drive gear rotation, first drive axis of rotation 3 rotations, the axis of rotation drives anti-grabbing tooth direction is downwards, external force to the gag lever post, in the effect of spacing spring inserts the spacing downthehole, realize climbing the effect to the axis of rotation, can realize climbing the electric iron tower, the electric power can be accomplished after the guard against the iron tower.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Electric power iron tower protector, its characterized in that: comprises a main ladder (1);

the support rod (2) is arranged on the main ladder (1);

the rotating shaft (3) is movably arranged on the main ladder (1), anti-grabbing teeth (4) are fixedly arranged on the rotating shaft (3), and a first transmission gear (8) is fixedly arranged on the left end face of the rotating shaft (3);

the hollow inner cavity (7), the hollow inner cavity (7) is arranged on the main ladder (1), a first vertical downward sliding groove (9) is fixedly arranged on the inner wall of the hollow inner cavity (7), a first sliding rod (10) is connected to the first sliding groove (9) in a sliding manner, a straight rack (11) is fixedly arranged on the first sliding rod (10), and the straight rack (11) is meshed with the first transmission gear (8) in a gear manner;

the control box body (5), control box body (5) are installed on main ladder (1) to with cavity inner chamber (7) intercommunication, control box body (5) are by box door (6), second axis of rotation (12), second drive gear (13), stop device (14) and rotation handle (15) constitution.

2. A power pylon protection apparatus according to claim 1, wherein: the rotary shaft is characterized in that a through hole is formed in the right end wall of the hollow inner cavity (7), a shaft sleeve is fixedly arranged in the through hole in the right end of the hollow inner cavity (7), and a rotary shaft (3) is movably sleeved on the shaft sleeve.

3. A power pylon protection apparatus according to claim 2, wherein: the cross section of the first sliding groove (9) is in a convex shape, and the cross section of the first sliding rod (10) is in a convex shape corresponding to the first sliding groove (9).

4. A power pylon protection apparatus according to claim 3 wherein: the control box (5) right side terminal surface is provided with box door (6), be provided with lock body subassembly on box door (6), control box (5) intercommunication cavity inner chamber (7), movable sleeve is equipped with second axis of rotation (12) on control box (5), fixed sleeve is equipped with second drive gear (13) with straight rack (11) gear engagement on second axis of rotation (12), second axis of rotation (12) right-hand member face is fixed to be provided with rotation handle (15), be provided with stop device (14) on control box (5).

5. A power pylon protection apparatus according to claim 4 wherein: stop device (14) comprises spacing hole (16), circular through-hole (17), spacing spring (19), gag lever post (18) and supporting disk, the supporting disk lower extreme is fixed in control box (5) lower extreme, the fixed through-hole that is provided with in the middle of the supporting disk, second axis of rotation (12) pass the through-hole to movable sleeve dress is in the through-hole, be provided with circular through-hole (17) on the supporting disk, gag lever post (18) slip through circular through-hole (17), movable sleeve is equipped with spacing spring (19) on gag lever post (18), spacing spring (19) one end is fixed on gag lever post (18), and the other end is fixed on circular through-hole (17) inner wall, spacing hole (16) that a plurality of annular distributions are fixed to second drive gear (13) right side terminal surface, gag lever post (16) are corresponding.

6. A power pylon protection apparatus according to claim 1, wherein: the novel ladder is characterized in that a plurality of arc-shaped protection supports (20) with the same specification are arranged on the main ladder (1), and protection rods (21) are fixedly arranged at the upper end and the lower end of the main ladder (1).

7. The power pylon protection apparatus of claim 6 wherein: the utility model discloses a protection pole, including protection pole (21), annular axle sleeve (22) is gone up to sliding connection, keep static through frictional force between annular axle sleeve (22) and protection pole (21), be provided with the haulage rope on annular axle sleeve (22), drag annular axle sleeve through the haulage rope and slide from top to bottom along the protection pole, annular axle sleeve (22) lower extreme is provided with L type link (23), L type link (23) left side terminal surface is provided with round pin axle (24), L type link (23) are articulated through round pin axle (24) have connecting rod (25), be connected through reset spring (27) between connecting rod (25) right side terminal surface and L type link (23), connecting rod (25) lower extreme is fixedly provided with arc spacing (26), arc spacing (26) are corresponding with protection pole (21), under reset spring's effect for arc spacing (26) are sliding connection with protection pole (21), connecting rod (25) upper end is provided with prevents that the rope falls, is connected with staff through preventing the rope.