CN216043481U

CN216043481U - High-safety ladder for electric power construction

Info

Publication number: CN216043481U
Application number: CN202120025054.9U
Authority: CN
Inventors: 罗超; 彭彰红
Original assignee: Hunan Anping Electric Power Construction Co ltd
Current assignee: Hunan Anping Electric Power Construction Co ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2022-03-15
Anticipated expiration: 2031-01-06

Abstract

The utility model discloses a safety ladder with high safety for electric power construction, which comprises two bottom rods, wherein first connecting rods are welded on adjacent sides of the two bottom rods at equal intervals, sleeves are connected to the bottoms of the outer side walls of the bottom rods in a sliding manner, and two fixing plates are welded on the inner side walls of the bottom rods; this device is when using, place appointed place with this device earlier, then with this device compaction subaerial, through rotating the second knob, the second knob drives the second pivot and rotates, the second pivot drives the worm wheel and rotates, the transmission worm, make the worm drive the screw rod and rotate, the screw rod is in the pivoted, the transmission thread bush slides from top to bottom at the screw rod, the thread bush passes through even board and dead lever drive sleeve pipe up-and-down motion, adjust the length of two bottom rods of this device, reach the purpose that makes this device can be in balanced state always, avoid because of the ladder is unstable, the condition that the staff can't stand upright at the place of work appears, improve staff's security.

Description

High-safety ladder for electric power construction

Technical Field

The utility model belongs to the technical field of electric power overhaul, and particularly relates to a safety ladder for electric power construction, which is high in safety.

Background

In the work progress that relates to electric power engineering, sometimes need to construct eminence wall body etc. to overhaul among the engineering construction, however when overhauing, some places are very high, only rely on the staff can't reach appointed construction position, so generally need the ladder to carry out supplementary construction.

The utility model discloses the china discloses authorize utility model: a rotary ladder (publication number: CN209114897U) for hydraulic and hydroelectric engineering discloses a rotary ladder for hydraulic and hydroelectric engineering, which is provided with a rotary ladder body a, a rotary ladder body b, a movable bracket a, a movable bracket b, a fixed shaft a, a fixed shaft b, a fixed rod and a tension rod, wherein a base is provided with a stabilizing rod, and the base is provided with a movable bracket clamping hole; the bottom ends of the movable support a and the movable support b are respectively provided with a spring bayonet lock, the spring bayonet lock is fixedly connected with a clamping hole of the movable support, the tension rod is fixedly connected with the movable support a and the movable support b, the fixed shaft a and the fixed shaft b are respectively provided with a supporting connecting ring, the fixed shaft a and the fixed shaft b are respectively provided with a groove, one end of each of the rotary ladder body a and the rotary ladder body b is provided with a connecting ring, the other end of each of the rotary ladder body a and the rotary ladder body b is provided with a buckle, the buckle on the rotary ladder body a is fixedly connected with a stabilizing rod or a fixing rod of the base, an iron plate is arranged between the rotary ladder body a and the rotary ladder body b, and a through hole is formed in the iron plate, so that the stability problem of the rotary ladder is solved, the safety of a user can be guaranteed, but a certain problem still exists;

among the prior art, the electric power engineering staff is using the maintenance ladder to overhaul the in-process, because the engineering is mostly in some place constructions comparatively far away, ground is uneven, and can appear soil quality soft sometimes, and the staff often can appear the ladder unstability when setting up the maintenance ladder, and the condition that can't erect upright at the workplace appears, very easily threatens staff's safety, for this reason, provides the safety ladder for the electric power construction of a security height.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a safety ladder for electric power construction with high safety so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the following technical scheme: a safety ladder with high safety for electric power construction comprises two bottom rods, wherein a first connecting rod is welded on one side of each bottom rod adjacent to the other bottom rod at the same distance, a sleeve is connected to the bottom of the outer side wall of each bottom rod in a sliding mode, two fixing plates are welded on the inner side wall of each bottom rod, the bottom of one fixing plate is connected with a worm in a rotating mode through a bearing, a screw rod is welded at the bottom of the worm and is connected with the other fixing plate in a rotating mode through a bearing, a threaded sleeve is connected to the outer side wall of the screw rod in a threaded mode, two connecting plates are fixedly connected to the two sides of the outer side wall of the threaded sleeve in a symmetrical mode, a fixing rod is welded at the bottom of each connecting plate, the bottom of the fixing rod penetrates through the fixing plates and is fixedly connected with the inner bottom wall of the sleeve, a second rotating shaft is connected to the inner side wall of each bottom rod in a rotating mode through a bearing, and one end of the second rotating shaft penetrates through the bottom rods and is fixedly connected with a second knob, and a worm wheel is sleeved on the outer side wall of the second rotating shaft and is meshed and connected with the worm.

Preferably: the lateral wall both sides of sheathed tube are rotated through first pivot and are connected with the pivot seat, the bottom fixedly connected with bottom plate of pivot seat.

Preferably: the outer side wall of the first rotating shaft is in threaded connection with a first knob.

Preferably: the lateral wall rear side of sill bar articulates there is the bracing piece, the second spliced eye has been seted up to the lateral wall equidistance of bracing piece.

Preferably: the top of the outer side wall of the bottom rod is rotatably connected with a second sleeve through a bearing, and the inner thread of the second sleeve is connected with an extension mechanism.

Preferably: the bottom rod with the lateral wall that extends the mechanism all welds has fixed ear.

Preferably: the extension mechanism comprises two ejector rods, two insertion rods, a first sleeve, a second connecting rod, external threads, a first insertion hole and a plug connector, the ejector rods are welded together through the second connecting rod, the external threads are integrally formed at the bottom of the outer side wall of each ejector rod, and the external threads are in threaded connection with the second sleeve.

Preferably: the first plug holes are equidistantly formed in the outer side wall of the plug rod, the plug rod is hinged to the ejector rod, the plug connector is welded to the bottom of the first plug hole, and the plug connector is matched with the first plug holes and the second plug holes.

The utility model has the technical effects and advantages that: compared with the prior art, the safety ladder for electric power construction, which is provided by the utility model, has the following advantages:

when the device is used, the device is placed in a designated work place firstly, then the device is compacted on the ground, the second knob is rotated to drive the second rotating shaft to rotate, the second rotating shaft drives the worm gear to rotate, the worm is driven to drive the screw rod to rotate, the screw rod drives the threaded sleeve to rotate, the threaded sleeve slides up and down on the screw rod, the threaded sleeve drives the sleeve to move up and down through the connecting plate and the fixing rod, the length of the two bottom rods of the device is adjusted, the purpose that the device can be always in a balanced state is achieved, the situation that a worker cannot stand upright at the work place due to instability of a ladder is avoided, and the safety of the worker is improved;

two, through in inserting the second sleeve pipe with the bottom of ejector pin earlier, then rotate the second sleeve pipe, through the external screw thread, fix the position of ejector pin, after inserting the ejector pin, insert first spliced eye or second spliced eye with the bayonet joint of spliced pole, can be even as a whole with extension mechanism and sill bar, improve the stability of this device, reach the purpose that improves this maintenance ladder height, and need not go again to carry new high ladder in addition, improve the practicality of this device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a schematic structural view of the present invention;

fig. 4 is a schematic structural view of an extension mechanism in the present invention.

In the figure: 1. a bottom bar; 2. a first link; 3. a sleeve; 4. a first rotating shaft; 5. a rotating shaft seat; 6. a first knob; 7. a base plate; 8. a screw; 9. a fixing plate; 10. a worm; 11. a second rotating shaft; 12. a second knob; 13. a threaded bushing; 14. connecting plates; 141. fixing the rod; 15. fixing the ear; 16. an extension mechanism; 161. a top rod; 162. a plug rod; 163. a first sleeve; 164. a second link; 165. an external thread; 166. a first plug hole; 167. a plug-in connector; 17. a support bar; 18. a second plug hole; 19. a worm gear; 20. a second sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the utility model and do not delimit the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a safety ladder for electric power construction with high safety as shown in figures 1-4, which comprises two bottom rods 1, wherein first connecting rods 2 are welded on adjacent sides of the two bottom rods 1 at equal intervals, a sleeve 3 is connected at the bottom of the outer side wall of each bottom rod 1 in a sliding manner, two fixing plates 9 are welded on the inner side wall of each bottom rod 1, a worm 10 is rotatably connected at the bottom of one fixing plate 9 through a bearing, a screw 8 is welded at the bottom of the worm 10, the screw 8 is rotatably connected with the other fixing plate 9 through a bearing, a threaded sleeve 13 is connected at the outer side wall of the screw 8 in a threaded manner, two connecting plates 14 are symmetrically and fixedly connected at two sides of the outer side wall of the threaded sleeve 13, a fixing rod 141 is welded at the bottom of the connecting plate 14, the bottom of the fixing rod 141 penetrates through the fixing plates 9 and is fixedly connected with the inner bottom wall of the sleeve 3, and a second rotating shaft 11 is rotatably connected at the inner side wall of each bottom rod 1 through a bearing, one end of the second rotating shaft 11 penetrates through the bottom rod 1 and is fixedly connected with a second knob 12, the outer side wall of the second rotating shaft 11 is sleeved with a worm wheel 19, and the worm wheel 19 is meshed with the worm 10.

In this embodiment, specifically: the two sides of the outer side wall of the sleeve 3 are rotatably connected with a rotating shaft seat 5 through a first rotating shaft 4, and the bottom of the rotating shaft seat 5 is fixedly connected with a bottom plate 7; through the arrangement, the bottom plate 7 is used for increasing the contact area between the device and the ground, so that the friction force between the device and the ground is increased, the purpose of increasing the stability of the device is achieved, and the safety of workers in working by using the device is improved.

In this embodiment, specifically: the outer side wall of the first rotating shaft 4 is in threaded connection with a first knob 6; through the arrangement, after the device is erected, the first knob 6 is enabled to be attached to the rotating shaft seat 5 through rotating the first knob 6, and therefore the purpose of preventing the first rotating shaft 4 from rotating is achieved.

In this embodiment, specifically: the rear side of the outer side wall of the bottom rod 1 is hinged with a support rod 17, and second plug holes 18 are formed in the outer side wall of the support rod 17 at equal intervals; through the arrangement, after the device is erected, the supporting rod 17 is in contact with the ground, and the stability of the device is improved.

In this embodiment, specifically: the top of the outer side wall of the bottom rod 1 is rotatably connected with a second sleeve 20 through a bearing, and the inside of the second sleeve 20 is in threaded connection with an extension mechanism 16; through setting up extension mechanism 16, can be when meetting the construction site at the eminence, when the access ladder height was not enough, will extend mechanism 16 and install the top at sill bar 1, reach the purpose that improves this access ladder height, and need not go again to carry new high ladder in addition, improve the practicality of this device.

In this embodiment, specifically: the outer side walls of the bottom rod 1 and the extension mechanism 16 are welded with fixing lugs 15; through the setting, after the staff climbed this device, through detaining the hasp with the safety belt in fixed ear 15, can prevent that the staff from falling this device, improve staff's security.

In this embodiment, specifically: the extending mechanism 16 comprises two ejector rods 161, two inserting rods 162, a first sleeve 163, a second connecting rod 164, an external thread 165, a first inserting hole 166 and an inserting head 167, the two ejector rods 161 are welded through the second connecting rod 164, the external thread 165 is integrally formed at the bottom of the outer side wall of each ejector rod 161, and the external thread 165 is in threaded connection with the second sleeve 20; with the above arrangement, when the extension mechanism 16 is attached, the bottom of the jack rod 161 is inserted into the second sleeve 20, and then the second sleeve 20 is rotated to fix the position of the jack rod 161 by the external thread 165.

In this embodiment, specifically: the first plug holes 166 are equidistantly formed in the outer side wall of the plug rod 162, the plug rod 162 is hinged to the ejector rod 161, the plug joint 167 is welded to the bottom of the first plug hole 166, and the plug joint 167 is matched with the first plug hole 166 and the second plug hole 18; through the arrangement, after the top rod 161 is inserted, the plug 167 of the plug rod 162 is inserted into the first plug hole 166 or the second plug hole 18, so that the extension mechanism 16 and the bottom rod 1 can be connected into a whole, and the stability of the device is improved.

The working principle is as follows: when the device is used, the device is firstly placed at a designated working place, then the device is compacted on the ground, when the working place is uneven, a worker can drive the second rotating shaft 11 to rotate by rotating the second rotating knob 12, the second rotating shaft 11 drives the worm wheel 19 to rotate, the worm is driven to 10, the worm 10 drives the screw 8 to rotate, the screw 8 rotates, the transmission threaded sleeve 13 slides up and down on the screw 8, the threaded sleeve 13 drives the sleeve 3 to move up and down through the connecting plate 14 and the fixing rod 141, the length of the two bottom rods 1 of the device is adjusted, the device can be always in a balanced state, the situation that the worker cannot stand on the working place due to unstable ladders is avoided, the safety of the worker is improved, after the device is erected, the first rotating knob 6 is used, the first knob 6 is tightly attached to the rotating shaft seat 5, thereby achieving the purpose of preventing the first rotating shaft 4 from rotating, and at the same time, after the device is erected, the support rod 17 is contacted with the ground, the stability of the device is improved, when the construction site is at a high place and the height of the maintenance ladder is not enough, the extension mechanism 16 is arranged above the bottom rod 1 to achieve the purpose of improving the height of the maintenance ladder, the utility model improves the practicability of the device without carrying a new high ladder, the extension mechanism 16 inserts the bottom of the mandril 161 into the second sleeve 20 firstly during the use process, the second sleeve 20 is then rotated, via the external thread 165, to fix the position of the stem rod 161, after the jack 161 is inserted, the plug 167 of the plug rod 162 is inserted into the first plug hole 166 or the second plug hole 18, the extension mechanism 16 can be integrated with the bottom bar 1 to improve the stability of the device.

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 or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a high safety ladder for electric power construction of security, includes two sill bars (1), its characterized in that: two adjacent one side equidistance welding of sill bar (1) has first connecting rod (2), the lateral wall bottom sliding connection of sill bar (1) has sleeve pipe (3), the inside wall welding of sill bar (1) has two fixed plates (9), one the bottom of fixed plate (9) is rotated through the bearing and is connected with worm (10), the bottom welding of worm (10) has screw rod (8), screw rod (8) through the bearing with another fixed plate (9) rotate the connection, the lateral wall threaded connection of screw rod (8) has threaded sleeve pipe (13), the lateral wall bilateral symmetry fixedly connected with two link plates (14) of threaded sleeve pipe (13), the bottom welding of link plate (14) has dead lever (141), the bottom of dead lever (141) run through fixed plate (9) and with the inside diapire fixed connection of sleeve pipe (3), the inside wall of sill bar (1) rotates through the bearing and is connected with second pivot (11), the one end of second pivot (11) is run through sill bar (1) and fixedly connected with second knob (12), worm wheel (19) have been cup jointed to the lateral wall of second pivot (11), worm wheel (19) with worm (10) meshing is connected.

2. The safety ladder for electric power construction with high safety as set forth in claim 1, wherein: the outer side wall of the sleeve (3) is rotatably connected with a rotating shaft seat (5) through a first rotating shaft (4), and a bottom fixedly connected with a bottom plate (7) of the rotating shaft seat (5).

3. The safety ladder for electric power construction with high safety as set forth in claim 2, wherein: the outer side wall of the first rotating shaft (4) is in threaded connection with a first knob (6).

4. The safety ladder for electric power construction with high safety as set forth in claim 1, wherein: the rear side of the outer side wall of the bottom rod (1) is hinged with a support rod (17), and second plug holes (18) are formed in the outer side wall of the support rod (17) at equal intervals.

5. The safety ladder for electric power construction with high safety as set forth in claim 4, wherein: the top of the outer side wall of the bottom rod (1) is rotatably connected with a second sleeve (20) through a bearing, and the inner thread of the second sleeve (20) is connected with an extension mechanism (16).

6. The safety ladder for electric power construction with high safety as set forth in claim 5, wherein: the outer side walls of the bottom rod (1) and the extension mechanism (16) are welded with fixing lugs (15).

7. The safety ladder for electric power construction with high safety as set forth in claim 5, wherein: the extension mechanism (16) comprises two ejector rods (161), an insertion rod (162), a first sleeve (163), a second connecting rod (164), an external thread (165), a first insertion hole (166) and a plug connector (167), the ejector rods (161) are welded together through the second connecting rod (164), the external thread (165) is integrally formed at the bottom of the outer side wall of the ejector rod (161), and the external thread (165) is in threaded connection with the second sleeve (20).

8. The safety ladder for electric power construction with high safety as set forth in claim 7, wherein: the first plug holes (166) are equidistantly formed in the outer side wall of the plug rod (162), the plug rod (162) is hinged to the ejector rod (161), the plug connectors (167) are welded to the bottoms of the first plug holes (166), and the plug connectors (167) are matched with the first plug holes (166) and the second plug holes (18).