CN201679224U - Attached lifting scaffold synchronous lifting and load control system - Google Patents
Attached lifting scaffold synchronous lifting and load control system Download PDFInfo
- Publication number
- CN201679224U CN201679224U CN2010201684227U CN201020168422U CN201679224U CN 201679224 U CN201679224 U CN 201679224U CN 2010201684227 U CN2010201684227 U CN 2010201684227U CN 201020168422 U CN201020168422 U CN 201020168422U CN 201679224 U CN201679224 U CN 201679224U
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- electric block
- load
- outlet
- control system
- sensor
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Abstract
The utility model discloses an attached lifting scaffold synchronous lifting and load control system, which comprises an electric block, a control unit, a synchronous signal sensor and a load sensor, wherein the control unit is respectively connected with the synchronous signal sensor and the load sensor; a program for controlling the positive and inverse operation or the stop of the electric block is set in the control unit. By adopting the technical scheme, on one hand, the synchronous operation of the electric block is controlled by utilizing the synchronous sensor, and on the other hand, the load limit is carried out by utilizing the load sensor, and thereby, overload is prevented from being generated, and the dual control is realized.
Description
Technical field
The control system that the utility model relates to a kind of many crane gear synchronous operations and prevents to overload is specifically related to synchronization lifting and load control system in a kind of attached lift scaffold running.
Background technology
In the existing building construction technology, it is less that attached lift scaffold consumes steel with it, and profile neat appearance, construction speed are used widely soon.Its lifting process equipment generally adopts electric block, and hook is connected on the building on the electric block, and lower draw-bar connects the scaffold bottom, starts electric block, by the rotating of electric block, realizes the liter of scaffold support body or falls.Many electric blocks move simultaneously often, realize the integral elevating of scaffold.Prior art or the method that adopts the measurement electric block to rotate speed judge whether the scaffold operation is synchronous, or adopt the load limiting device, and the load that every electric block bore is limited.In fact, these two kinds of technology all have its deficiency, because because the relation that support body is arranged, every its load that bears of electric block is different, only adopts the load limiting device, concerning the very light electric block of original support body load, it is very big asynchronous poor often to take place, and its load does not still reach setting value, and load means can't be moved, and support body influences the own safety of good looking appearance and support body owing to asynchronously cause the sizable distortion of support body rod member.Only adopting sychronisation also is this reason, because the speed of the just electric block running that prior art detects, can't measure its original asynchronous difference, if there is individual seat in the plane its bearing load under fixing operating mode very big, and electric block only could detect under operating condition, so can't react the actual conditions of support body equally, therefore must combine use to synchronization lifting and load control, carry out the monitoring of two indexs, just can reach the scaffold purpose of safe operation.
The utility model content
Technical problem to be solved in the utility model provides a kind ofly not only can control the support body operation synchronously but also can prevent the attached lift scaffold synchronization lifting and the load control system of seat in the plane overload.
For achieving the above object, the utility model adopts following technical scheme: a kind of attached lift scaffold synchronization lifting and load control system, comprise electric block, control module, synchronous signal sensor, load sensor, control module respectively with electric block, synchronous signal sensor, load sensor is electrically connected, just be provided with the control electric block in the control module, the anti-program that turns round or stop, described synchronous signal sensor is provided in a side of the travel switch in the electric block rotating shaft, it is characterized in that: described load sensor comprises piston shell that is connected with the lifting beam of attached lift scaffold and the piston rod that is connected with electric block, be provided with the oil circuit outlet in the plunger shaft of piston-rod lower end, described oil circuit outlet connects the import of controlled hydraulic one way valve by pipeline, the outlet of controlled hydraulic one way valve connects transparent oil pipe, transparent oil pipe is provided with the optoelectronic switch that detects liquid level position, optoelectronic switch is electrically connected with electric-control system, and the controlled hydraulic one way valve is provided with the control oil body from import to outlet or from the control device of outlet to the import one-way flow.
Adopt the technical program, utilize the synchronous operation of synchro pick-up control electric block on the one hand, utilize load sensor to carry out load limiting in addition, prevent overload, its principle is to work as electric hoist overload, oil pressure increases in the oil pocket, the valve of controlled hydraulic one way valve is opened, oil flows to outlet from the import of controlled hydraulic one way valve, enters to cause pasta to raise in the transparent oil pipe, when optoelectronic switch detects liquid level variation, the output signal of telecommunication is to electric-control system, electric-control system sends the instruction that electric block shuts down or remains in operation according to setting program, and reports to the police or point out.Limit with regard to effective hoist load like this, prevent the overload phenomenon, the situation of causing danger scaffold.
Further, the structure of control device of the present utility model is limited, it is characterized in that: described control device comprises spool, the compression spring of being located at outlet one side, and compression spring one end connects spool, and the compression spring other end connects valve body; Also comprise the push rod of being located at import one side, lean on the valve body of described push rod one side to be provided with spiral handle.The rotating bolt handle promotes push rod and opens spool, and the oil that enters transparent water pipe is refluxed, and the load limiting device is resetted, and is simple in structure, convenient and practical.
Description of drawings
Below in conjunction with drawings and Examples technical solutions of the utility model are further specified:
Fig. 1 is the structural representation of load sensor of the present utility model.
The specific embodiment
Present embodiment highlights the structure construction of load sensing unit.As shown in Figure 1, be provided with piston 3 in the piston shell 4, be full of hydraulic oil in the oil pocket 2 of piston 3 lower ends, the lower end of the piston rod 1 of piston 3 is provided with link 19, and link 19 is linked up with such as going up of electric block (not shown) with the power-equipment of attached lift scaffold and is connected.Be welded with ring 5 on the piston shell 4, ring 5 is in order to be connected with the attachment device (not shown) of attached lift scaffold.The bottom of oil pocket 2 is communicated with the import 18 of controlled hydraulic one way valve, is provided with spool 11 in the controlled hydraulic one way valve, and the bottom supporting of spool 11 is on compression spring 12, and the other end of compression spring 12 is bearing in valve body 10 ends.Valve body 10 is provided with oil-out 17 by a side of spool 11, and oil-out 17 is communicated with transparent oil pipe 13 by pipeline 16, and transparent oil pipe 13 is provided with the optoelectronic switch 14 that detects liquid level.When oil pressure was lower than the pre-police strength of compression spring 12, spool 11 blocking-up oil circuits started electric block like this, and electric block is stressed, and the drive attached lift scaffold is just up promoted or normal downwards operation.In case overload; piston rod 1 moves down; oil pressure in the oil pocket 2 raises; when oil pressure is elevated to the pre-police strength that is enough to overcome compression spring 12; spool 11 is turned left to be pushed open; 17 oil circuit is connected from oil-out 18 to oil-in; thereby oil enters in the transparent oil pipe 13; cause original pasta to raise; the effect of photoswitc 14 is to be elevated to the precalculated position when liquid level; to block or the infrared rays of light emitting diode in the shading light electric switch not, make optoelectronic switch the phototriode conducting or end, holding wire will be exported high or low level; this switching signal is passed to the electric-control system (not shown); the electric-control system device sends the instruction that this seat in the plane power-equipment is shut down according to predefined program, thereby realizes the control to the load of each seat in the plane.When the fault eliminating,, spool 11 resets under the effect of compression spring 12, the blocking-up oil circuit.Designed spiral handle 7 especially at valve body 10 left ends, the screw rod 8 of spiral handle 7 is connected on the valve body 10 and inwardly stretches out, and withstands on the push rod 9 in the valve body 10 turn handle 7, can promote push rod 9 and move right up to backing down spool 11, thereby make the oil that enters transparent oil pipe 13 can get back to oil pocket 2.Certainly, control device can also have the structure of other the spool opened, and changes helical structure into such as will compress the fixed end that spring 12 is located on the valve body 10, can realize above-mentioned functions equally.
For a person skilled in the art; under the prerequisite that does not break away from the utility model structure; can also make some distortion and improvement, these also should be considered as protection domain of the present utility model, and these can not influence effect and practical applicability that the utility model is implemented.
Claims (2)
1. attached lift scaffold synchronization lifting and load control system, comprise electric block, control module, synchronous signal sensor, load sensor, control module respectively with electric block, synchronous signal sensor, load sensor is electrically connected, just be provided with the control electric block in the control module, the anti-program that turns round or stop, described synchronous signal sensor is provided in a side of the travel switch in the electric block rotating shaft, it is characterized in that: described load sensor comprises piston shell that is connected with the lifting beam of attached lift scaffold and the piston rod that is connected with electric block, be provided with the oil circuit outlet in the plunger shaft of piston-rod lower end, described oil circuit outlet connects the import of controlled hydraulic one way valve by pipeline, the outlet of controlled hydraulic one way valve connects transparent oil pipe, transparent oil pipe is provided with the optoelectronic switch that detects liquid level position, optoelectronic switch is electrically connected with electric-control system, and the controlled hydraulic one way valve is provided with the control oil body from import to outlet or from the control device of outlet to the import one-way flow.
2. attached lift scaffold synchronization lifting as claimed in claim 1 and load control system, it is characterized in that: described control device comprises spool, the compression spring of being located at outlet one side, compression spring one end connects spool, and the compression spring other end connects valve body; Also comprise the push rod of being located at import one side, lean on the valve body of described push rod one side to be provided with spiral handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201684227U CN201679224U (en) | 2010-04-23 | 2010-04-23 | Attached lifting scaffold synchronous lifting and load control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201684227U CN201679224U (en) | 2010-04-23 | 2010-04-23 | Attached lifting scaffold synchronous lifting and load control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201679224U true CN201679224U (en) | 2010-12-22 |
Family
ID=43344274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201684227U Expired - Lifetime CN201679224U (en) | 2010-04-23 | 2010-04-23 | Attached lifting scaffold synchronous lifting and load control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201679224U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852011A (en) * | 2010-04-23 | 2010-10-06 | 谭徳炎 | Synchronous lifting and load control system attached with lifting scaffold |
| CN111283677A (en) * | 2018-12-10 | 2020-06-16 | 北京猎户星空科技有限公司 | Robot control method and device, robot and robot master controller |
-
2010
- 2010-04-23 CN CN2010201684227U patent/CN201679224U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852011A (en) * | 2010-04-23 | 2010-10-06 | 谭徳炎 | Synchronous lifting and load control system attached with lifting scaffold |
| CN101852011B (en) * | 2010-04-23 | 2011-08-17 | 谭徳炎 | Synchronous lifting and load control system attached with lifting scaffold |
| CN111283677A (en) * | 2018-12-10 | 2020-06-16 | 北京猎户星空科技有限公司 | Robot control method and device, robot and robot master controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101222 Effective date of abandoning: 20111207 |