CN211812881U - Elevator shaft pit maintenance platform - Google Patents
Elevator shaft pit maintenance platform Download PDFInfo
- Publication number
- CN211812881U CN211812881U CN202020300262.0U CN202020300262U CN211812881U CN 211812881 U CN211812881 U CN 211812881U CN 202020300262 U CN202020300262 U CN 202020300262U CN 211812881 U CN211812881 U CN 211812881U
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- Prior art keywords
- extension ladder
- pit
- ladder
- wall
- elevator
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model discloses an elevator shaft pit maintenance platform, which comprises an extension ladder and a bearing part, wherein the top of the extension ladder is hinged on the wall of the pit near the landing door side; the bearing part is fixed on a wall opposite to the side of the pit close to the landing door, and after the extension ladder rotates to a horizontal state around a hinged point of the extension ladder and the wall and extends, the bottom of the extension ladder is placed on the bearing part to support the extension ladder through the bearing part. The utility model discloses both can regard as the use tool of business turn over pit, can be for ascending a height again and maintain the ladder, and then make things convenient for the operation personnel to inspect the maintenance to the part in the pit.
Description
Technical Field
The utility model relates to an elevator well pit overhauls platform.
Background
It is essential for elevator operators to enter the pit of the elevator hoistway for installation, maintenance and inspection because there are many elevator components in the pit, such as: the elevator hall door comprises a hall door head combination, a tension wheel, a buffer, a counterweight component, a compensation chain, various detection switches, a limit emergency stop and other various electrical switches. Secondly, the depth dimension of the pit provides enough safety distance for the car, the counterweight and the maintainer.
The general pit depth of a low-speed elevator is about 1.5 meters, and the depth of a high-speed elevator is deeper. In order to ensure that the operators can safely enter the pit and be protected from being damaged to the maximum extent during construction, the ladder stand is necessary. Definition of traditional cat ladder: the double-upright fixed vertical ladder is fixed on the wall of a pit and used for an operator to enter and exit the pit, and the device needs to be firm and simple in structure.
The traditional ladder stand can only singly go in and out of the shaft pit up and down, and the shaft pit is generally maintained and checked without other purposes. And some parts are limited due to the height exceeding the height of the operator and cannot be effectively maintained and checked in time without working space. The operation personnel stand and visit the body operation before the entrance of a layer door and have the pit danger of falling, sometimes also can't arrive the part that needs the maintenance at all, stand and just can't more accomplish on pit ground and maintain the inspection to it, if the climbing, lean over to rely on, etc. operation violating regulations, it is very dangerous.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide an elevator well pit overhauls platform, it both can regard as the use tools of business turn over pit, can be in order to ascend a height again to maintain the ladder, and then makes things convenient for the operation personnel to inspect the maintenance to the part in the pit.
In order to solve the technical problem, the technical scheme of the utility model is that: an elevator hoistway pit inspection platform, comprising:
the top of the extension ladder is hinged to a wall on the side of the pit close to the floor door;
the bearing part is fixed on the wall of the pit close to the opposite side of the landing door, the extension ladder rotates to a horizontal state around a hinged point of the extension ladder and the wall and extends, and the bottom of the extension ladder is placed on the bearing part to support the extension ladder through the bearing part.
Further in order to facilitate the standing and walking of operators on the horizontal extension ladder, the elevator shaft pit maintenance platform further comprises a covering plate, and after the bottom of the extension ladder is placed on the bearing part, the covering plate covers the upper surface of the extension ladder so as to facilitate the standing of the operators.
Further in order to prevent the extension ladder from separating from the bearing part in the process of using the extension ladder as a horizontal table, connecting holes are respectively arranged at the bottom of the extension ladder and the bearing part, so that the extension ladder and the bearing part are fixedly connected through bolts after the bottom of the extension ladder is placed on the bearing part.
Further in order to prevent the telescopic ladder from shaking when the telescopic ladder is used as a tool for entering and exiting the pit, when the telescopic ladder is in a vertical state, the bottom of the telescopic ladder is detachably connected to the wall of the pit close to the layer door side through bolts.
Further in order to conveniently install the extension ladder on the wall, an upper seat body and a lower seat body are fixed on the wall of the pit close to the landing door side, the top of the extension ladder is hinged to the upper seat body, and the bottom of the extension ladder is detachably fixed on the lower seat body through bolts.
Further provided a concrete structure of going up pedestal and lower pedestal, go up the pedestal and include respectively with lower pedestal:
the base is fixed on a wall;
the top of the extension ladder is hinged to the two support frames of the upper base body, and the bottom of the extension ladder is detachably fixed to the two support frames of the lower base body through bolts.
Further for the convenient distance between the wall that adjustment extension ladder and pit leaned on layer door side, the support frame passes through connecting bolt to be connected on the base, is provided with the bar hole on the base, is provided with the bolt hole on the support frame, and connecting bolt's head passes bar hole and bolt hole simultaneously and revolves the twist nut to loosen the nut with the position of adjusting connecting bolt in the bar hole, and then adjust the distance between the wall that extension ladder and pit leaned on layer door side.
Further provided is a concrete structure of a telescopic ladder, the telescopic ladder comprising:
the main ladder comprises two vertical beams arranged in parallel and a plurality of cross beams connected between the two vertical beams, the cross beams are arranged in parallel from top to bottom, and the vertical beams are provided with a plurality of through holes from top to bottom;
the sliding rods correspond to the vertical beams one to one, the upper end parts of the sliding rods are slidably matched with the lower end parts of the vertical beams, and a plurality of through holes are formed in the sliding rods from top to bottom;
and when the sliding rod slides to a proper position relative to the vertical beam, the head of the fixing bolt simultaneously penetrates through the vertical beam and the through hole on the sliding rod and is screwed with a nut so as to fix the sliding rod on the vertical beam.
Further in order to fix the relative position between the two sliding rods and further enable the two sliding rods to slide synchronously, a fixing rod is connected between the bottoms of the two sliding rods.
Further accomplish to reset for the force extension ladder, elevator well pit overhauls platform still includes:
a detecting device adapted to detect whether the bottom of the extension ladder is reset to a wall of the pit close to the landing door side;
and the control device is respectively connected with the detection device and the elevator and is suitable for controlling the elevator to be incapable of being started when the detection device detects that the bottom of the extension ladder is not reset to the wall of the pit close to the floor door side.
After the technical scheme is adopted, the extension ladder is normally in a vertical state, an operator uses the extension ladder as a tool for entering and exiting the pit, the operator can rotate the extension ladder by a certain angle after entering the pit through the extension ladder, then extends the extension ladder to enable the bottom of the extension ladder to land, the whole extension ladder is in an inclined state, and the operator stands at a proper position of the extension ladder to overhaul parts in the pit; when parts at higher positions need to be overhauled, the whole extension ladder is rotated by 90 degrees, the extension ladder is extended, the bottom of the extension ladder is placed on the bearing part, and an operator uses the horizontal extension ladder as an overhauling platform to be convenient for the operator to move the position; the utility model discloses still be provided with the detection device, detect the extension ladder when leaning on the wall department of layer door side to the pit that does not reset at the detection device, control device control elevator can't start, and then avoids causing the elevator to damage or cause danger for the operation personnel because of the elevator starts when the extension ladder does not reset.
Drawings
Fig. 1 is a schematic structural view of an elevator hoistway pit maintenance platform of the present invention;
fig. 2 is a schematic structural view of another view angle of the elevator hoistway pit inspection platform of the present invention;
fig. 3 is an enlarged view of a portion a of fig. 2.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1, 2 and 3, an elevator shaft pit inspection platform comprises:
the top of the extension ladder 1 is hinged to a wall of the pit 3 close to the landing door side;
bearing part 2, bearing part 2 is fixed on the wall that pit 3 leaned on layer door side opposite the extension ladder 1 rotates to the horizontality and extends the back around its pin joint with the wall, the bottom of extension ladder 1 is placed on bearing part 2 in order to support extension ladder 1 through bearing part 2.
Specifically, the extension ladder 1 is normally in a vertical state, an operator uses the extension ladder 1 as a tool for entering and exiting the pit 3, after entering the pit 3 through the extension ladder 1, the operator can rotate the extension ladder 1 by a certain angle and then extend the extension ladder 1 to enable the bottom of the extension ladder 1 to land, the whole extension ladder 1 is in an inclined state, and the operator stands at a proper position of the extension ladder 1 to overhaul components in the pit 3; when the part of higher position was overhauld to needs, with the rotatory 90 degrees of whole extension ladder 1 to extension ladder 1, shelve extension ladder 1's bottom on load-bearing part 2, the operation personnel use the extension ladder 1 of level form as an maintenance platform, also makes things convenient for operation personnel shift position, the utility model discloses an elevator well pit overhauls the platform, can regard as the instrument of business turn over pit 3, and the operation personnel adjust extension ladder 1 to suitable state again, and then stands above that and inspect and maintain the part in pit 3, stopped the potential safety hazard when inspection, maintenance.
In this embodiment, in order to facilitate the operator to stand and walk on the horizontal extension ladder 1, the elevator shaft pit inspection platform further includes a covering plate, and after the bottom of the extension ladder 1 is placed on the bearing part 2, the covering plate covers the upper surface of the extension ladder 1 so as to facilitate the operator to stand.
As shown in fig. 1, 2 and 3, in order to prevent the extension ladder 1 from separating from the bearing part 2 when the extension ladder 1 is used as a horizontal platform, the bottom of the extension ladder 1 and the bearing part 2 are respectively provided with a connecting hole, so that the extension ladder 1 and the bearing part 2 are fixed by bolts after the bottom of the extension ladder 1 is placed on the bearing part 2.
As shown in fig. 1, 2 and 3, in order to prevent the telescopic ladder 1 from shaking when the telescopic ladder 1 is used as a tool for entering and exiting the pit 3, when the telescopic ladder 1 is in a vertical state, the bottom of the telescopic ladder 1 is detachably connected to the wall of the pit 3 close to the landing door through bolts.
As shown in fig. 1, 2, and 3, in order to facilitate the installation of the extension ladder 1 on the wall, an upper seat 4 and a lower seat 5 are fixed on the wall of the pit 3 near the landing door, the top of the extension ladder 1 is hinged to the upper seat 4, and the bottom of the extension ladder 1 is detachably fixed on the lower seat 5 through bolts.
In the present embodiment, the lower seat body 5 is 50cm away from the bottom of the pit 3, and the upper seat body 4 is 48cm away from the top of the pit 3, which is fully qualified for the maintenance of all the components in the pit 3 of the elevator shaft.
As shown in fig. 1, 2, and 3, the upper seat 4 and the lower seat 5 each include:
the base 61, the said base 61 is fixed on wall;
the two support frames 62 are arranged on the base 61 in parallel in the horizontal direction, the top of the extension ladder 1 is hinged to the two support frames 62 of the upper base body 4, and the bottom of the extension ladder 1 is detachably fixed on the two support frames 62 of the lower base body 5 through bolts.
In the present embodiment, the supporting frame 62 and the base 61 are made of universal angle iron, but not limited thereto.
As shown in fig. 1, 2 and 3, in order to adjust the distance between the walls of the extension ladder 1 and the pit 3 close to the landing door side conveniently, the support frame 62 is connected to the base 61 through the connecting bolt, the base 61 is provided with a strip-shaped hole, the support frame 62 is provided with a bolt hole, the head of the connecting bolt simultaneously passes through the strip-shaped hole and the bolt hole and screws the nut, so that the nut is loosened to adjust the position of the connecting bolt in the strip-shaped hole, and further the distance between the walls of the extension ladder 1 and the pit 3 close to the landing door side is adjusted.
As shown in fig. 1, 2 and 3, the extension ladder 1 includes:
the main ladder comprises two vertical beams 71 arranged in parallel and a plurality of cross beams 72 connected between the two vertical beams 71, the cross beams 72 are arranged in parallel from top to bottom, and the vertical beams 71 are provided with a plurality of through holes from top to bottom;
the sliding rods 73 are in one-to-one correspondence with the vertical beams 71, the upper end parts of the sliding rods 73 are in sliding fit with the lower end parts of the vertical beams 71, and a plurality of through holes are formed in the sliding rods 73 from top to bottom;
and a fixing bolt, wherein when the sliding rod 73 slides to a proper position relative to the vertical beam 71, the head of the fixing bolt simultaneously passes through the vertical beam 71 and the through hole on the sliding rod 73 and is screwed with a nut so as to fix the sliding rod 73 on the vertical beam 71.
In this embodiment, the vertical beams 71, the horizontal beams 72 and the sliding rods 73 are all made of universal angle iron, but not limited thereto.
As shown in fig. 1, 2 and 3, in order to fix the relative position between the two sliding rods 73 and further to make the two sliding rods 73 slide synchronously, a fixing rod 8 is connected between the bottoms of the two sliding rods 73.
As shown in fig. 1, 2 and 3, in order to force the extension ladder 1 to complete the reset, the elevator shaft pit maintenance platform further comprises:
a detecting device which is suitable for detecting whether the bottom of the extension ladder 1 is reset to the wall of the pit 3 close to the landing door side;
and the control device is respectively connected with the detection device and the elevator and is suitable for controlling the elevator to be incapable of being started when the detection device detects that the bottom of the extension ladder 1 is not reset to the wall of the pit 3 close to the landing door side.
In this embodiment, the detection device is a proximity switch or an infrared sensor.
Specifically, the utility model discloses still be provided with detection device, detect that extension ladder 1 does not reset to pit 3 when leaning on the wall department of layer door side at detection device, control device control elevator can't start, and then avoids causing the elevator to damage or cause danger for the operating personnel because of the elevator starts when extension ladder 1 does not reset.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An elevator shaft pit maintenance platform is characterized in that,
it includes:
the top of the extension ladder (1) is hinged to a wall of the pit (3) close to the landing door side;
the carrying part (2), the carrying part (2) is fixed on the wall opposite to the side close to the landing door of the pit (3), after the extension ladder (1) rotates to a horizontal state and extends around a hinge point of the extension ladder and the wall, the bottom of the extension ladder (1) is placed on the carrying part (2) so as to support the extension ladder (1) through the carrying part (2).
2. The elevator hoistway pit inspection platform of claim 1,
the telescopic ladder comprises a carrying part (2) and is characterized by further comprising a covering plate, wherein after the bottom of the telescopic ladder (1) is placed on the carrying part (2), the covering plate covers the upper surface of the telescopic ladder (1) so as to facilitate the standing of an operator.
3. The elevator hoistway pit inspection platform of claim 1,
the bottom of the extension ladder (1) and the bearing part (2) are respectively provided with a connecting hole, so that the extension ladder (1) and the bearing part (2) are fixedly connected through bolts after the bottom of the extension ladder (1) is placed on the bearing part (2).
4. The elevator hoistway pit inspection platform of claim 1,
when the extension ladder (1) is in a vertical state, the bottom of the extension ladder (1) is detachably connected to the wall, close to the landing door, of the pit (3) through bolts.
5. The elevator hoistway pit inspection platform of claim 4,
the wall that pit (3) leaned on layer door side is fixed with upper seat body (4) and lower seat body (5), the top of extension ladder (1) articulates on upper seat body (4), the bottom of extension ladder (1) is passed through bolt detachably and is fixed on lower seat body (5).
6. The elevator hoistway pit inspection platform of claim 5,
go up pedestal (4) and lower pedestal (5) and include respectively:
a base (61), the base (61) being fixed to a wall;
the telescopic ladder comprises two support frames (62), wherein the two support frames (62) are arranged on a base (61) in parallel in the horizontal direction, the top of the telescopic ladder (1) is hinged to the two support frames (62) of an upper base body (4), and the bottom of the telescopic ladder (1) is detachably fixed to the two support frames (62) of a lower base body (5) through bolts.
7. The elevator hoistway pit inspection platform of claim 6,
support frame (62) are connected on base (61) through connecting bolt, are provided with the bar hole on base (61), are provided with the bolt hole on support frame (62), and connecting bolt's head passes bar hole and bolt hole simultaneously and revolves the twist nut to the position in order to adjust connecting bolt bar hole is loosened to the unscrewing nut, and then adjusts telescopic ladder (1) and pit (3) and lean on the distance between the wall of layer door side.
8. The elevator hoistway pit inspection platform of claim 1,
the extension ladder (1) comprises:
the main ladder comprises two vertical beams (71) arranged in parallel and a plurality of cross beams (72) connected between the two vertical beams (71), the cross beams (72) are arranged in parallel from top to bottom, and the vertical beams (71) are provided with a plurality of through holes from top to bottom;
the sliding rods (73) are in one-to-one correspondence with the vertical beams (71), the upper end parts of the sliding rods (73) are slidably matched with the lower end parts of the vertical beams (71), and a plurality of through holes are formed in the sliding rods (73) from top to bottom;
and the head of the fixing bolt simultaneously passes through the through holes on the vertical beam (71) and the sliding rod (73) and screws nuts to fix the sliding rod (73) on the vertical beam (71) when the sliding rod (73) slides to a proper position relative to the vertical beam (71).
9. The elevator hoistway pit inspection platform of claim 8,
a fixed rod (8) is connected between the bottoms of the two sliding rods (73).
10. The elevator hoistway pit inspection platform of claim 1,
further comprising:
a detection device adapted to detect whether the bottom of the extension ladder (1) is reset to a wall of the pit (3) close to the landing door side;
and the control device is respectively connected with the detection device and the elevator and is suitable for controlling the elevator to be incapable of being started when the detection device detects that the bottom of the extension ladder (1) is not reset to the wall of the pit (3) close to the landing door side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020300262.0U CN211812881U (en) | 2020-03-12 | 2020-03-12 | Elevator shaft pit maintenance platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020300262.0U CN211812881U (en) | 2020-03-12 | 2020-03-12 | Elevator shaft pit maintenance platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211812881U true CN211812881U (en) | 2020-10-30 |
Family
ID=73007854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020300262.0U Expired - Fee Related CN211812881U (en) | 2020-03-12 | 2020-03-12 | Elevator shaft pit maintenance platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211812881U (en) |
-
2020
- 2020-03-12 CN CN202020300262.0U patent/CN211812881U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 Termination date: 20210312 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |