CN214463838U - Safe lifting vertical ladder for drum net - Google Patents
Safe lifting vertical ladder for drum net Download PDFInfo
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- CN214463838U CN214463838U CN202120453999.0U CN202120453999U CN214463838U CN 214463838 U CN214463838 U CN 214463838U CN 202120453999 U CN202120453999 U CN 202120453999U CN 214463838 U CN214463838 U CN 214463838U
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- vertical ladder
- escalator
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- safety
- lifting rod
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Abstract
The utility model discloses a safe lifting vertical ladder for a drum net, which comprises at least two vertical ladder units arranged up and down, at least one lifting rod connected between the two vertical ladder units adjacent up and down, and a first driving mechanism connected with and driving the lifting rod to lift; the first driving mechanism is arranged on the vertical ladder unit. The utility model discloses a drum net erects ladder with safe lift, simple structure, possesses the automatic rising function, and the dismouting of being convenient for, safety when being applicable to nuclear electricity drum net anticorrosive operation or high altitude construction reciprocates work, can promote work efficiency, can ensure personnel's safety again.
Description
Technical Field
The utility model relates to a nuclear power plant drum net overhauls technical field, especially relates to a drum net is with safe lift vertical ladder.
Background
The nuclear power plant drum net function provides comparatively clean cold source for nuclear power unit for filtering sea water, because contact with sea water throughout the year, drum net receives the sea water corruption seriously, need to carry out inspection and anticorrosive treatment to it during the overhaul of shutting down at every turn.
Current personnel pass the position and be sea water intaking runner, and the size is about 1m, because the sea water soaks throughout the year, can't install fixed vertical ladder. At present, a temporary rope ladder is erected by the communication action of personnel during the overhaul, the fall is 13m, the risk of the personnel going up and down is high, only one person can pass through the temporary rope ladder every time, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned prior art's that provides defect, provide one kind possess automatic rising function, reliable and stable drum net with safe lift vertical ladder.
The utility model provides a technical scheme that its technical problem adopted is: the safe lifting vertical ladder for the drum net comprises at least two vertical ladder units arranged up and down, at least one lifting rod connected between the two vertical ladder units adjacent up and down, and a first driving mechanism connected with and driving the lifting rod to lift; the first driving mechanism is arranged on the vertical ladder unit.
Preferably, in two adjacent vertical ladder units up and down, the lifting rod is arranged in the vertical ladder unit positioned below;
the top of the lifting rod is provided with a connecting piece used for being connected to the bottom of the vertical ladder unit positioned above.
Preferably, in two adjacent vertical ladder units up and down, the lifting rod is arranged in the vertical ladder unit positioned above;
and a connecting piece used for connecting the top of the vertical ladder unit below is arranged at the bottom of the lifting rod.
Preferably, each vertical ladder unit is provided with at least one lifting rod which can be extended into and out of the top of the vertical ladder unit; and a connecting piece used for connecting the bottom of the other vertical ladder unit is arranged at the top of the lifting rod.
Preferably, each vertical ladder unit is provided with at least one lifting rod which can be extended into and out of the bottom of the vertical ladder unit; and a connecting piece used for connecting the top of the other vertical ladder unit is arranged at the bottom of the lifting rod.
Preferably, the vertical ladder unit comprises a vertical ladder frame, a first rotary platform arranged at the bottom of the vertical ladder frame, and a vertical ladder arranged in the vertical ladder frame;
a gap is reserved between one side of the first rotary platform and the inner side of the bottom of the vertical ladder frame to form a through opening; the first rotary platforms of two vertically adjacent vertical ladder units are staggered; the upper end of the vertical ladder is arranged in the top of the vertical ladder frame, and the lower end of the vertical ladder is supported on the first rotary platform.
Preferably, each side surface of the vertical ladder frame is provided with a side plate; the side plate comprises a side plate frame body and a protective net paved in the side plate frame body.
Preferably, the vertical ladder unit further comprises a second swing platform disposed at the top of the vertical ladder frame; the second rotary platform is staggered with the first rotary platform arranged at the bottom of the vertical ladder frame.
Preferably, the safety lifting vertical ladder for the drum net further comprises at least one positioning telescopic rod arranged on the side face of the vertical ladder unit and a positioning friction piece arranged on the end part, far away from the vertical ladder unit, of the positioning telescopic rod.
Preferably, the safety lifting vertical ladder for the net drum further comprises a second driving mechanism which is connected with and drives the positioning telescopic rod to stretch.
The utility model discloses a safe lift is erected ladder for drum net, simple structure, possess the automatic rising function, the dismouting of being convenient for, safety when being applicable to nuclear power drum net anticorrosive operation or high altitude construction reciprocates work, can promote work efficiency, can ensure personnel's safety again.
The arrangement of the rotary platform in the vertical ladder unit can be used as a temporary rest point and an upper and lower junction point for personnel, so that a plurality of people can conveniently go up and down at the same time, and the working efficiency is improved.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic perspective view of a safety elevator for a drum net according to an embodiment of the present invention;
FIG. 2 is a schematic view showing the lifting state of the safety elevator for a drum net shown in FIG. 1;
fig. 3 is a schematic structural view of a lifting rod and a positioning telescopic rod in the safety lifting vertical ladder for drum net according to an embodiment of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the safety elevator for a drum net according to an embodiment of the present invention includes at least two vertical ladder units 10 connected up and down, at least one lifting rod 20 connected between two vertical ladder units 10 adjacent up and down, and a first driving mechanism 30 connected to and driving the lifting rod to lift; the first drive mechanism 30 is provided on the vertical ladder unit 10.
The cooperation of the lifting rod 20 and the first driving mechanism 30 enables the lifting of the lifting rod 20 to be controlled as required when the vertical ladder is used in a vertical shaft or other occasions, so as to drive the vertical ladder unit 10 above or below the lifting rod 20 to ascend or descend to reach a desired position.
Wherein, in every adjacent two of the escalator units 10, the lifter bar 20 and the first drive mechanism 30 can be disposed in the escalator unit 10 located below. As shown in fig. 1 and 2, three vertical ladder units 10 are shown which can be connected one above the other. In the present embodiment, the lifter bar 20 is provided in the ladder unit 10 located below, among two adjacent ladder units 10 above and below. Referring to fig. 2 and 3, the top of the lifting rod 20 is provided with a connector 40 for connecting to the bottom 10 of the vertical ladder unit located above.
In other embodiments, the lifting rod 20 may also be disposed within the escalator unit 10 located above; a connection 40 is provided at the bottom of the lifting rod 20 for connecting the top of the shaft unit 10 located below.
Alternatively, referring to fig. 3, each of the escalator units 10 is provided with at least one lifting rod 20 that can be extended into and out of the top of the escalator unit 10; the top of the lifting rod 20 is provided with a connection 40 for connecting the bottom of another shaft unit 10. Due to the arrangement, each vertical ladder unit 10 forms a module, the number of the vertical ladder units 10 of the whole safety vertical ladder can be increased or decreased according to the installation depth or height, and the vertical ladder units 10 can be continuously connected to the top or the bottom of the safety vertical ladder on site according to actual needs.
It is understood that the lifting rod 20 can also be arranged at the bottom of the vertical ladder unit 10, and can be extended into and out of the bottom of the vertical ladder unit 10; the bottom of the lifting bar 20 remote from the escalator unit 10 is provided with a connection 40 for connecting the top of another escalator unit 10.
Alternatively, the lifting rod 20 may be a screw rod, and the first driving mechanism 30 may be a motor, which is connected to the screw rod through a transmission member. The connection 40 may be connected to the vertical ladder unit 10 by a fastener such as a screw or by welding.
Each vertical ladder unit 10 comprises a vertical ladder frame 11, a first rotary platform 12 arranged at the bottom of the vertical ladder frame 11, and a vertical ladder 13 arranged in the vertical ladder frame 11. The vertical ladder 13 is provided at its upper end in the top of the vertical ladder frame 11 and at its lower end supported on the first revolving platform 12.
The first revolving platform 12 covers the bottom of the vertical ladder frame 11, and a gap is left between one side of the first revolving platform 12 and the inner side of the bottom of the vertical ladder frame 11 to form a through opening 14 for people or equipment to pass through.
The first rotary platforms 12 of two vertical ladder units 10 adjacent up and down are arranged in a staggered manner, and the through openings 14 are correspondingly staggered; the upper end of the vertical ladder 13 of the vertical ladder unit 10 located below corresponds to the inside of the passage opening 14 at the bottom of the vertical ladder unit 10 located above. The first rotary platform 12 is arranged in a staggered manner, so that the vertical ladders 13 of two vertical ladder units 10 which are adjacent up and down are not connected in the vertical direction, a segmented rotary vertical ladder structure is formed, the single movement height of personnel is reduced, and the total fall of the whole safety vertical ladder is reduced. In addition, the first rotary platform 12 can be used as a temporary rest point for personnel, so that the up-and-down movement safety of the personnel is improved, and the traffic rate of the vertical ladder is improved.
Specifically, the ladder frame 11 may be, but is not limited to, a cubic structure for which the ladder frame 11 has four sides and four diagonal corners. To achieve stable lifting of the shaft ladder unit 10, four opposite corners of the shaft ladder frame 11 located below are connected to four opposite corners of the shaft ladder frame 11 located above through four lifting rods 20, respectively.
For the security that improves safe vertical ladder, can dispose a curb plate to each side of erecting ladder frame 11, the setting of several curb plate will erect ladder frame 11 and surround, forms the unopened frame in side, prevents that personnel from dropping out when the accident falls and erects ladder frame 11.
In order to take ventilation and light transmission into consideration, each side plate can comprise a side plate frame body and a protective net paved in the side plate frame body.
The stairlift unit 10 may also comprise a second revolving platform 15 arranged on top of the stairlift frame 11, on which persons can rest. When the two vertical ladder units 10 are connected vertically, the first revolving platform 13 and the second revolving platform 15 are provided in a staggered manner. The first revolving platform 13 of the upper vertical ladder unit 10 may be stacked with the second revolving platform 15 of the lower vertical ladder unit 10, and the through-port 14 of the upper vertical ladder unit 10 is communicated with the through-port of one side of the second revolving platform 15 of the lower vertical ladder unit 10 to form a through-port.
Further, as shown in fig. 2 and 3, the safety elevating vertical ladder for drum net of the present invention further comprises at least one positioning telescopic rod 50 disposed at the side of the vertical ladder unit 10, a positioning friction member 60 disposed at the end of the positioning telescopic rod 50 far away from the vertical ladder unit 10, and a second driving mechanism for connecting and driving the positioning telescopic rod 50 to extend and retract. In this embodiment, the second driving mechanism and the first driving mechanism 30 are integrated into a control box.
The positioning telescopic rod 50 is used for stretching and compressing the positioning friction piece 60 on the wall surface of the vertical shaft where the vertical ladder unit 10 is located, and stability of the vertical ladder unit 10 in the vertical shaft is improved.
Preferably, at least one positioning telescopic rod 50 with a positioning friction member 60 is provided at each side of the shaft unit 10.
The utility model discloses a drum net is with safe lift vertical ladder when using, according to the degree of depth or the height according to operation environment (like the shaft) confirm the vertical ladder unit 10 that corresponds quantity, will erect ladder unit 10 and connect from top to bottom through lifter 20. Because the lifting rod 20 can relatively lift the vertical ladder units 10, the number of the vertical ladder units 10 in the vertical shaft can be reduced, the weight of the safe vertical ladder is reduced, and the stability is improved.
When a person works on the safety vertical ladder, the person can firstly go down to the first rotary platform 13 of the second vertical ladder unit 10 through the uppermost vertical ladder unit 10, then the first driving mechanism 30 is started, the lifting rod 20 is controlled to extend, and the vertical ladder unit 10 where the person is located is lowered to a required position. After the work is finished, the second vertical ladder unit 10 can be driven to ascend to the vertical ladder unit 10 close to the top by controlling the contraction of the lifting rod 20.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A safe lifting vertical ladder for a drum net is characterized by comprising at least two vertical ladder units arranged up and down, at least one lifting rod connected between the two vertical ladder units which are adjacent up and down, and a first driving mechanism connected with and driving the lifting rod to lift; the first driving mechanism is arranged on the vertical ladder unit.
2. The safety escalator for a drum net according to claim 1, wherein in two adjacent escalator units, the lifter is disposed in the escalator unit located below;
the top of the lifting rod is provided with a connecting piece used for being connected to the bottom of the vertical ladder unit positioned above.
3. The safety escalator for a drum net according to claim 1, wherein in two of said escalator units adjacent to each other in the up-down direction, said lifter is provided in said escalator unit located above;
and a connecting piece used for connecting the top of the vertical ladder unit below is arranged at the bottom of the lifting rod.
4. A safety-elevating escalator for a drum net according to claim 1, wherein each of said escalator units is provided with at least one of said elevating rods retractable into and out of the top of said escalator unit; and a connecting piece used for connecting the bottom of the other vertical ladder unit is arranged at the top of the lifting rod.
5. A safety-elevating escalator for a drum net according to claim 1, wherein each of said escalator units is provided with at least one of said elevating rods retractable into and out of the bottom of said escalator unit; and a connecting piece used for connecting the top of the other vertical ladder unit is arranged at the bottom of the lifting rod.
6. The safety elevating vertical ladder for a drum net according to claim 1, wherein the vertical ladder unit comprises a vertical ladder frame, a first revolving platform arranged at the bottom of the vertical ladder frame, a vertical ladder arranged in the vertical ladder frame;
a gap is reserved between one side of the first rotary platform and the inner side of the bottom of the vertical ladder frame to form a through opening; the first rotary platforms of two vertically adjacent vertical ladder units are staggered; the upper end of the vertical ladder is arranged in the top of the vertical ladder frame, and the lower end of the vertical ladder is supported on the first rotary platform.
7. A safety elevator for a drum net according to claim 6, characterized in that a side plate is provided on each side of the elevator frame; the side plate comprises a side plate frame body and a protective net paved in the side plate frame body.
8. The safety elevator for a drum net according to claim 6, wherein the elevator unit further comprises a second swing platform provided on top of the elevator frame; the second rotary platform is staggered with the first rotary platform arranged at the bottom of the vertical ladder frame.
9. The safety escalator for a drum net according to any one of claims 1-8, further comprising at least one positioning telescopic rod provided at a side of said escalator unit, and a positioning friction member provided at an end of said positioning telescopic rod remote from said escalator unit.
10. The safety elevator for drum networks of claim 9, further comprising a second driving mechanism connecting and driving the positioning telescopic rod to extend and retract.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120453999.0U CN214463838U (en) | 2021-03-02 | 2021-03-02 | Safe lifting vertical ladder for drum net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120453999.0U CN214463838U (en) | 2021-03-02 | 2021-03-02 | Safe lifting vertical ladder for drum net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214463838U true CN214463838U (en) | 2021-10-22 |
Family
ID=78152136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120453999.0U Active CN214463838U (en) | 2021-03-02 | 2021-03-02 | Safe lifting vertical ladder for drum net |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214463838U (en) |
-
2021
- 2021-03-02 CN CN202120453999.0U patent/CN214463838U/en active Active
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