CN203222398U - Safety protection system of construction elevator - Google Patents
Safety protection system of construction elevator Download PDFInfo
- Publication number
- CN203222398U CN203222398U CN 201320194832 CN201320194832U CN203222398U CN 203222398 U CN203222398 U CN 203222398U CN 201320194832 CN201320194832 CN 201320194832 CN 201320194832 U CN201320194832 U CN 201320194832U CN 203222398 U CN203222398 U CN 203222398U
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- CN
- China
- Prior art keywords
- limit switch
- construction elevator
- protection system
- doorframe
- security protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a safety protection system of a construction elevator. The safety protection system of the construction elevator is better in safety protection performance. The safety protection system comprises a door frame, a protection door, a limit switch and a control device, wherein the door frame is arranged on a scaffold, the protection door is connected in the door frame through hinges, and the control device is used for controlling the construction elevator. The limit switch is arranged on one side wall of the door frame, a contact penetrates through a frame wall of the door frame, and the door edge of the protection door presses the contact of the limit switch when the protection door is closed; the limit switch is connected with the control device, and the control device is in a disconnected state when the contact of the limit switch is not pressed. The safety protection system is suitable for being used in various construction elevators and machines with the same type of structure and the same conveying way as the construction elevators.
Description
Technical field
The utility model relates to the construction elevator technical field, especially relates to a kind of security protection system of construction elevator.
Background technology
The kind of construction elevator is a lot, has or not counterweight and two kinds of counterweights are arranged by playing operation scheme.The most of construction elevator that uses in the market is as the counterweightless formula, and drive system places top, cage top, and the construction elevator that use existing camp site mainly is made up of actuating device, control setup and car etc.
There is very big potential safety hazard in existing construction elevator, when construction elevator rests in a certain floor, when the protective door that the workman opens the discharging platform of this floor loads and unloads material, construction elevator powers on, control setup or the startup of misoperation initiation construction elevator as personnel are not intended to touch construction elevator very easily cause casualties.Simultaneously, when the protective door of the discharging platform of other floors is in opening, is prone to that workmen's health is outwards visited and is hung by operating cage body and bump safety misadventure injured, that fall.And when the protective door of the discharging platform of a certain floor is opened, be difficult to discover and in time find the protective door that is opened.
The utility model content
The utility model has overcome shortcoming of the prior art, provides a kind of construction elevator that makes to close operation circuit, the security protection system of the construction elevator that safety is higher under the protective door open mode.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions: a kind of security protection system of construction elevator, comprise that the doorframe, the hinge that are installed on the scaffold are connected protective door, the limit switch in the doorframe and the control setup that is used for the control construction elevator, described limit switch is arranged on a sidewall of described doorframe, its contact passes doorframe frame wall, and Qi Men pressed on the limit contact of described limit switch when described protective door was closed; Described limit switch connects described control setup, and when the contact of described limit switch was not pressed, described control setup was in off state.
Preferably, described limit switch is connected with indicator lamp.
Preferably, described indicator lamp is two, and one another is normally closed in order often to open, and opens and closes the switching that the contact of pressing described limit switch is realized led status by described protective door.
Preferably, described doorframe is provided with the control apparatus for the protection of described limit switch.
Preferably, described control apparatus comprise can hold described limit switch, an end is connected in the body of described doorframe sidewall, Yi Bian be arranged at the body other end, stretch into the right angle adjustment sheet that is used for regulating described limit-switch positions in the body.
Preferably, described right angle adjustment sheet is connected with described body by bolt, adjusts the position of right angle adjustment sheet by bolt, the distance that the contact that makes limit switch and the maintenance on a limit of safety door are suitable.
Preferably, described body is square steel.
Preferably, the both sides of described doorframe at least two steel pipes that are connected respectively, described steel pipe is connected on the scaffold with fastener.
Preferably, described doorframe is two independently frame walls, relatively rotates the both sides that are connected described protective door respectively.
Compared with prior art, the utlity model has following advantage:
(1) the utility model arranges limit switch by the sidewall at doorframe, and its contact passes doorframe frame wall, and limit switch connects the control setup of construction elevator, and Qi Men pressed on the limit contact of limit switch when protective door was closed; When the contact of limit switch is not pressed (when protective door is opened), the control setup of construction elevator is in off state.Have only when whole protective doors are closed, the control setup of construction elevator just is in channel status.Effectively avoided other staff to be not intended to touch the control setup of construction elevator or the situation generation that the startup of misoperation initiation construction elevator causes casualties.And avoid when the protective door of the discharging platform of other floors is in opening, occur that workmen's health is outwards visited and hung by operating cage body bumping situation injured, that fall and taking place.
(2) the utility model can be distinguished the dock floor of construction elevator by indicator lamp fast by connecting indicator lamp at limit switch.And be opened or floor limit switch when being out of order when the protective door of a certain or several floors, can find the floor of the outage of being out of order by indicator lamp fast, corresponding problem is solved.
(3) the utility model is by being provided for adjusting the control apparatus of limit-switch positions, and it is by placing limit switch in the body of setting device, and the Exposure to Sunlight but actv. protection limit switch is not caught in the rain prolongs its service life.Still guarantee simultaneously to smash or break when limit switch can not carried material by falling object and workman.By adjusting the right angle adjustment sheet of control apparatus, can guarantee that limit switch is in suitable position in body, guarantee that the door limit of protective door when protective door is closed just is pressed into the contact of limit switch.Because limit switch is to be placed into mobilizable in the body, only need unclamp adjustment sheet, can take out limit switch easily, the replacing of limit switch is very convenient quick.
(4) the utility model is by the steel pipe that is connected respectively of the both sides at doorframe, and adopt fastener to connect on scaffold, because the tubing of the scaffold that adopt the workyard and the model of fastener are consistent substantially, can both take at the construction field (site), need not independent making, can effectively save cost, and dismounting is flexible fast.
(5) doorframe of the present utility model adopts two independently frame walls, relatively rotates the both sides that are connected described protective door respectively.Save material, weight is lighter, transports very convenient.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of an embodiment of the present utility model;
Fig. 2 is the structural representation on one side of doorframe among Fig. 1;
Fig. 3 is the enlarged drawing of A part among Fig. 2.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1-3 is depicted as a specific embodiment of the security protection system of construction elevator, and it comprises that the doorframe 2, the hinge that are installed on the scaffold are connected protective door 3, the limit switch 4 in the doorframe 2, the setting device that is used for the control setup 1 of control construction elevator and is used for adjusting limit switch 4 positions and protection limit switch 4; The doorframe 2 of present embodiment adopts two independently frame walls, relatively rotates the both sides that are connected described protective door 3 respectively.Actv. reduces volume and the quality of doorframe 2, transports very convenient.Limit switch 4 is arranged on a sidewall of doorframe 2, and its contact 41 passes doorframe 2 frame walls, and the Qi Men limit just in time can be pressed into the contact 41 of limit switch 4 when protective door 3 was closed; Limit switch 4 connects control setup 1, and when the contact 41 of limit switch 4 was not pressed, the control setup 1 of construction elevator was in off state.Have only when whole protective doors 3 are closed, when namely the contact 41 of limit switch 4 was pressed by the door limit of protective door 3, the control setup 1 of construction elevator just was in "on" position.Effectively avoided other staff to be not intended to touch the control setup 1 of construction elevator or the situation generation that the startup of misoperation initiation construction elevator causes casualties.And avoid when the protective door 3 of other floors is in opening, the outside visit of workmen's health occurs and bumped situation injured, that fall by operating cage body extension taking place.The both sides of this embodiment doorframe 2 are fixed with two steel pipes 8 respectively, and the steel pipe 8 preferred fasteners that adopt are connected on the scaffold, and dismounting is flexible.
The limit switch 4 of present embodiment also is connected with two indicator lamp (not shown)s, and one another is normally closed in order often to open, and opens and closes the switching that the contact 41 of pressing described limit switch 4 is realized led status by described protective door 3.In actual the use, can distinguish the dock floor of construction elevator by indicator lamp fast.And be opened or floor limit switch 4 when being out of order when the protective door 3 of a certain or several floors, can find out of order floor fast by indicator lamp, corresponding problem is solved.
Fig. 3 mainly shows for the setting device of adjusting limit switch 4 positions and protection limit switch 4, this setting device comprise can hold described limit switch 4, an end is connected in the body 5 of doorframe 2 sidewalls, be arranged at body 5 other ends, stretch in the body 5 for the right angle adjustment sheet 6 of regulating described limit switch 4 positions on one side, the body 5 preferred square steel of present embodiment are made, and right angle adjustment sheet 6 is connected in the end of body 5 by bolt 7; Right angle adjustment sheet 6 is provided with the hole and passes for bolt 7, the thread end of bolt 7 is connected with nut on being welded on body 5, right angle adjustment sheet 6 is sleeved on the bolt 7, is provided with nut before and after it, is fixed in position suitable on the bolt 7 by the nut before and after it.The Exposure to Sunlight but this setting device actv. protection limit switch 4 is not caught in the rain prolongs its service life.Still guarantee simultaneously to smash or break when limit switch 4 can not carried material by falling object and workman.By adjusting the right angle adjustment sheet 6 of control apparatus, can guarantee that limit switch is in suitable position in body 5, guarantee that the door limit of protective door 5 when protective door 5 is closed just is pressed into the contact 41 of limit switch 4.Because limit switch 4 is placed in the body 5, only need unclamp adjustment sheet 6, can take out limit switch 4 easily, the replacing of limit switch 4 is very convenient quick.
The both sides of the doorframe 2 of present embodiment are fixed with two steel pipes 8 respectively, and steel pipe 8 can adopt fastener to be connected on the scaffold, and the dismounting of doorframe 2 is very convenient quick.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. the security protection system of a construction elevator, comprise that the doorframe (2), the hinge that are installed on the scaffold are connected protective door (3), the limit switch (4) in the doorframe (2) and the control setup (1) that is used for the control construction elevator, it is characterized in that: described limit switch (4) is arranged on a sidewall of described doorframe (2), its contact (41) passes doorframe (2) frame wall, described protective door (3) when closing Qi Men press on the limit contact (41) of described limit switch (4); Described limit switch (4) connects described control setup (1), and the contact (41) of described limit switch (4) is not when pressing, and described control setup (1) is in off state.
2. according to the security protection system of the described construction elevator of claim 1, it is characterized in that: described limit switch (4) is connected with indicator lamp.
3. according to the security protection system of the described construction elevator of claim 2, it is characterized in that: described indicator lamp is two, one another is normally closed in order often to open, and opens and closes the switching that the contact (41) of pressing described limit switch (4) is realized led status by described protective door (3).
4. according to the security protection system of the described construction elevator of claim 1, it is characterized in that: described doorframe (2) is provided with the control apparatus for the protection of described limit switch (4).
5. according to the security protection system of the described construction elevator of claim 4, it is characterized in that: described control apparatus comprise can hold described limit switch (4), an end is connected in the body (5) of described doorframe (2) sidewall, is arranged at body (5) Yi Bian the other end, stretch into the right angle adjustment sheet (6) that is used for regulating described limit switch (4) position in the body (5).
6. according to the security protection system of the described construction elevator of claim 5, it is characterized in that: described right angle adjustment sheet (6) is connected with described body (5) by bolt (7), adjusts the position of right angle adjustment sheet (6) by bolt (7).
7. according to the security protection system of the described construction elevator of claim 5, it is characterized in that: described body (5) is square steel.
8. according to the security protection system of the described construction elevator of claim 1, it is characterized in that: the both sides of described doorframe (2) at least two steel pipes (8) that are connected respectively, described steel pipe (8) is connected on the scaffold with fastener.
9. according to the security protection system of each described construction elevator of claim 1-8, it is characterized in that: described doorframe (2) is two independently frame walls, relatively rotates the both sides that are connected described protective door (3) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320194832 CN203222398U (en) | 2013-04-17 | 2013-04-17 | Safety protection system of construction elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320194832 CN203222398U (en) | 2013-04-17 | 2013-04-17 | Safety protection system of construction elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203222398U true CN203222398U (en) | 2013-10-02 |
Family
ID=49249409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320194832 Expired - Fee Related CN203222398U (en) | 2013-04-17 | 2013-04-17 | Safety protection system of construction elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203222398U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103193128A (en) * | 2013-04-17 | 2013-07-10 | 昆明地标机电设备有限公司 | Safety protection system of construction elevator |
-
2013
- 2013-04-17 CN CN 201320194832 patent/CN203222398U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103193128A (en) * | 2013-04-17 | 2013-07-10 | 昆明地标机电设备有限公司 | Safety protection system of construction elevator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20140417 |