CN203411193U - Safety device for sensor shaft of driving mechanism of construction hoist - Google Patents
Safety device for sensor shaft of driving mechanism of construction hoist Download PDFInfo
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- CN203411193U CN203411193U CN201320537220.9U CN201320537220U CN203411193U CN 203411193 U CN203411193 U CN 203411193U CN 201320537220 U CN201320537220 U CN 201320537220U CN 203411193 U CN203411193 U CN 203411193U
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- pin shaft
- plug
- diameter
- bearing pin
- safety device
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Abstract
The utility model provides a safety device for a sensor shaft of a driving mechanism of a construction hoist and relates to the technical field of construction hoisting devices. According to the safety device, mutually-matched inserting sheets are arranged on the lower end part of a motor frame and the upper end part of a hoisting lift car; the two inserting sheets are connected by a sensor shaft; the two inserting sheets on one side of the sensor shaft are provided with protection pin shaft holes relatively and respectively; the diameter of the protection pin shaft hole on at least one inserting sheet is greater than the diameter of a pin shaft rod of a protection pin shaft; each protection pin shaft hole is internally provided with the protection pin shaft; the protection pin shaft can slide in the protection pin shaft hole with the diameter which is greater than the diameter of the pin shaft rod of the protection pin shaft up and down. In the use process, when the sensor shaft is broken, the protection pin shaft is stressed and bears a pull force borne by the sensor shaft, so as to prevent the hoisting lift car from being inclined due to the fact that the sensor shaft is broken; a worker does not have scared emotions and serious accidents are prevented from being caused by panics; the lift car is prevented from falling down to injure the worker and cause property loss. The safety device has the advantages of simple structure and low cost.
Description
Technical field
The utility model relates to construction jacking system technical field, says in detail it is a kind of simple in structure, safe, avoids occurring the building hoist driver train sensor axis safety device that lifting car falls.
Background technology
We know, building hoist is the manned cargo-carrying construction machinery and equipment often using in building, because its unique body structure makes it, take not only comfortable but also safety.Existing building hoist comprises standard knot, drive configuration, lifting car, fence and electric system, wherein drive configuration comprises the tooth bar of being longitudinally located on standard knot, on lifting car, through motor rack, drive motor is installed, the output shaft of drive motor is connected through driving cog wheel and rack, lifting car, can be along tooth bar lifting on standard knot under drive motor drives; Fence is arranged at the surrounding of standard knot bottom, for preventing the close of inoperative personnel and other biological, avoids causing danger.The lifting car of existing building hoist and the connection structure of motor rack are: motor rack bottom and lifting car upper end are provided with the plug-connection piece cooperatively interacting, and two plug-connection pieces connect through sensor axis.Sensor axis is hollow bearing pin structure, and sensor axis is in hollow bearing pin, to be provided with pressure sensor, for the load-carrying of Real-Time Monitoring lifting car.The sensor axis easy fracture of this hollow bearing pin structure, during fracture, during the run-off the straight of lifting car, staff produces panic mood, easily causes more major accident; What is more, and car falls, serious threat staff's personal safety.
Summary of the invention
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, with low cost, when sensor axis ruptures, what lifting car can safety is down to ground, avoids the building hoist driver train sensor axis safety device of the accident of meeting accident.
The utility model solves the technical scheme that above-mentioned the deficiencies in the prior art adopt:
A kind of building hoist driver train sensor axis safety device, motor rack bottom and lifting car upper end are provided with the plug-connection piece cooperatively interacting, two plug-connection pieces connect through sensor axis, it is characterized in that the corresponding guard pins axis hole that is respectively equipped with on two plug-connection pieces of sensor axis one side, the diameter of the guard pins axis hole at least one plug-connection piece is greater than the bearing pin shank diameter of protection bearing pin, in guard pins axis hole, be provided with protection bearing pin, protection bearing pin can slide up and down in diameter is greater than the guard pins axis hole of bearing pin shank diameter of protection bearing pin.
Diameter described in the utility model is greater than the guard pins axis hole ovalize of guard pins pivot pin shaft diameter.Increase the up and down scope of bearing pin bar, be difficult for affecting the measurement of lifting car load carrying ability.
The plug-connection piece that motor rack bottom described in the utility model and lifting car upper end cooperatively interact is: the Si Jiaochu of motor rack lower end is respectively equipped with the seat that plugs together that is be arranged in parallel and formed by two connecting straps, plugging together seat is provided with two and plugs together seat pin axis hole, on the bearing frame of lifting car upper with plug together an opposite position and be provided with and plug together projection, plug together on projection with two and plug together seat pin axis hole opposite position and be provided with two and plug together projection pin shaft hole, one of them plugs together projection pin shaft hole ovalize.Ovalize plug together projection pin shaft hole and the plug together seat pin axis hole corresponding with it is guard pins axis hole, another to cooperatively interact plug together projection pin shaft hole and to plug together seat pin axis hole be sensor axis mounting hole.During installation, plug together projection and be inserted between two connecting straps that plug together seat, sensor axis is pegged graft and is fixed in sensor axis mounting hole, and protection bearing pin is inserted and secured in guard pins axis hole.
The projection that plugs together that ellipse described in the utility model plugs together projection pin shaft hole downside is provided with micro-switch, the button of micro-switch and protection bearing pin joint, the main contactor electrical connection of micro-switch and drive motor controller.During mode of operation, micro-switch is in normally off, when sensor axis fracture, guard pins bearing load gravity, protection bearing pin relatively ellipse plugs together the fine motion that makes progress of projection pin shaft hole, micro-switch disconnects, and sends signal control drive motor and quits work, and has further improved safety.
The utility model in use, while making sensor axis fracture due to accident, protection bearing pin slides in the guard pins axis hole of ovalize will be stressed after very little distance, bear the pulling force that sensor axis is born, avoid making the run-off the straight of lifting car because of sensor axis fracture, staff can not produce panic mood, avoids causing more major accident because of fear; Avoided causing staff's injures and deaths and property damage because car falls.When sensor axis works, protection bearing pin does not stress in the guard pins axis hole of ovalize, does not affect sensor axis and measures lifting car load carrying ability.The utlity model has advantage simple in structure, with low cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A place partial enlarged drawing of Fig. 1.
Fig. 3 is the structural representation that plugs together seat in the utility model.
Fig. 4 plugs together projection cube structure schematic diagram in the utility model.
Fig. 5 is the structural representation that plugs together seat in the utility model, plugs together projection and micro-switch cooperation.
The specific embodiment
Building hoist driver train sensor axis safety device as shown in Figure 1, Figure 2, Figure 3, Figure 4, motor rack 1 bottom and lifting car 2 upper ends are provided with the plug-connection piece cooperatively interacting, two plug-connection pieces connect through sensor axis 3, the corresponding guard pins axis hole that is respectively equipped with on two plug-connection pieces of sensor axis 3 one sides, the diameter of the guard pins axis hole at least one plug-connection piece is greater than the bearing pin shank diameter of protection bearing pin, in guard pins axis hole, be provided with protection bearing pin, protection bearing pin can slide up and down in diameter is greater than the guard pins axis hole of bearing pin shank diameter of protection bearing pin.As can be seen from Figure 4, diameter is greater than the guard pins axis hole ovalize of guard pins pivot pin shaft diameter.Increase the up and down scope of bearing pin bar, be difficult for affecting the measurement of lifting car load carrying ability.
From Fig. 1, Fig. 2, Fig. 3, Fig. 4, can find out, the plug-connection piece that described motor rack bottom and lifting car upper end cooperatively interact is: the Si Jiaochu of motor rack lower end is respectively equipped with the seat that plugs together that is be arranged in parallel and formed by two connecting straps 5, plugging together seat is provided with two and plugs together seat pin axis hole 6,7, on the bearing frame on lifting car 2 tops with plug together an opposite position and be provided with and plug together projection 4, plug together on projection 4 with two and plug together seat pin axis hole 6,7 opposite positions and be provided with two and plug together projection pin shaft hole 8,9, one of them plugs together projection pin shaft hole 9 ovalizes.Ovalize plug together projection pin shaft hole 9 and corresponding with it seat pin axis hole 7 that plugs together for guard pins axis hole, another plugs together projection pin shaft hole 8 and plugs together seat pin axis hole 6 for sensor axis mounting hole what cooperatively interact.During installation, plug together projection and be inserted between two connecting straps that plug together seat, sensor axis is pegged graft and is fixed in sensor axis mounting hole, and protection bearing pin is inserted and secured in guard pins axis hole.Further improve, can plug together plugging together on projection of projection pin shaft hole downside at ellipse and be provided with micro-switch 10, the button of micro-switch 10 and protection bearing pin joint, the main contactor electrical connection of micro-switch and drive motor controller.During mode of operation, micro-switch is in normally off, when sensor axis fracture, guard pins bearing load gravity, protection bearing pin relatively ellipse plugs together the fine motion that makes progress of projection pin shaft hole, micro-switch disconnects, and sends signal control drive motor and quits work, and has further improved safety.
The utility model in use, while making sensor axis fracture due to accident, protection bearing pin slides in the guard pins axis hole of ovalize will be stressed after very little distance, bear the pulling force that sensor axis is born, avoid making the run-off the straight of lifting car because of sensor axis fracture, staff can not produce panic mood, avoids causing more major accident because of fear; Avoided causing staff's injures and deaths and property damage because car falls.When sensor axis works, protection bearing pin does not stress in the guard pins axis hole of ovalize, does not affect sensor axis and measures lifting car load carrying ability.The utlity model has advantage simple in structure, with low cost.
Claims (4)
1. a building hoist driver train sensor axis safety device, motor rack bottom and lifting car upper end are provided with the plug-connection piece cooperatively interacting, two plug-connection pieces connect through sensor axis, it is characterized in that the corresponding guard pins axis hole that is respectively equipped with on two plug-connection pieces of sensor axis one side, the diameter of the guard pins axis hole at least one plug-connection piece is greater than the bearing pin shank diameter of protection bearing pin, in guard pins axis hole, be provided with protection bearing pin, protection bearing pin can slide up and down in diameter is greater than the guard pins axis hole of bearing pin shank diameter of protection bearing pin.
2. building hoist driver train sensor axis safety device according to claim 1, is characterized in that described diameter is greater than the guard pins axis hole ovalize of guard pins pivot pin shaft diameter.
3. building hoist driver train sensor axis safety device according to claim 1, it is characterized in that the plug-connection piece that described motor rack bottom and lifting car upper end cooperatively interact is: the Si Jiaochu of motor rack lower end is respectively equipped with the seat that plugs together that is be arranged in parallel and formed by two connecting straps, plugging together seat is provided with two and plugs together seat pin axis hole, on the bearing frame of lifting car upper with plug together an opposite position and be provided with and plug together projection, plug together on projection with two and plug together seat pin axis hole opposite position and be provided with two and plug together projection pin shaft hole, one of them plugs together projection pin shaft hole ovalize.
4. building hoist driver train sensor axis safety device according to claim 3, the projection that plugs together that ellipse described in it is characterized in that plugs together projection pin shaft hole downside is provided with micro-switch, the button of micro-switch and protection bearing pin joint, the main contactor electrical connection of micro-switch and drive motor controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320537220.9U CN203411193U (en) | 2013-09-01 | 2013-09-01 | Safety device for sensor shaft of driving mechanism of construction hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320537220.9U CN203411193U (en) | 2013-09-01 | 2013-09-01 | Safety device for sensor shaft of driving mechanism of construction hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203411193U true CN203411193U (en) | 2014-01-29 |
Family
ID=49974099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320537220.9U Expired - Fee Related CN203411193U (en) | 2013-09-01 | 2013-09-01 | Safety device for sensor shaft of driving mechanism of construction hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203411193U (en) |
-
2013
- 2013-09-01 CN CN201320537220.9U patent/CN203411193U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20140901 |
|
| EXPY | Termination of patent right or utility model |