CN211397422U - Weight type anti-collision device for extension ladder of fire truck - Google Patents
Weight type anti-collision device for extension ladder of fire truck Download PDFInfo
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- CN211397422U CN211397422U CN201922032568.2U CN201922032568U CN211397422U CN 211397422 U CN211397422 U CN 211397422U CN 201922032568 U CN201922032568 U CN 201922032568U CN 211397422 U CN211397422 U CN 211397422U
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- ranging sensor
- ultrasonic ranging
- extension ladder
- fixedly connected
- sensor seat
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Abstract
The utility model relates to a fire engine extension ladder technical field especially relates to a fire engine extension ladder counter weight formula collision device. The device comprises a lifting lug, a hinged shaft, an ultrasonic ranging sensor seat and a heavy hammer; the lifting lug is fixedly connected to the side face of the most front end of the fire truck extension ladder, the ultrasonic ranging sensor is fixed to the middle of the ultrasonic ranging sensor seat, and the top of the ultrasonic ranging sensor seat is hinged to the lifting lug through a hinge shaft; the weight is fixedly connected to the bottom of the ultrasonic ranging sensor seat, and the axis of the ultrasonic ranging sensor is perpendicular to the central line of the weight; when the telescopic arm is in a non-horizontal state, the gravity of the heavy hammer drives the ultrasonic ranging sensor seat to rotate around the hinged shaft, so that the end face of the ultrasonic ranging sensor is always perpendicular to the ground. The end face of the ultrasonic ranging sensor probe is always kept parallel to the building, so that the distance between the end part of the extension ladder and the building is accurately judged, and timely alarming and stop control are realized.
Description
Technical Field
The utility model relates to a fire engine extension ladder technical field especially relates to a fire engine extension ladder counter weight formula collision device.
Background
The aerial ladder fire truck is provided with a hydraulic lifting platform, and provides a platform for firefighters to ascend, rescue high-rise buildings, tall facilities, oil tanks and other fires, rescue trapped personnel, rescue valuable goods and materials and complete other rescue tasks. The telescopic aerial ladder is arranged on the vehicle, can be provided with the lifting bucket rotary table and the fire extinguishing device, is convenient for fire fighters to ascend to extinguish fire and rescue trapped people, is suitable for putting out high-rise building fire, and plays an important role in putting out fire disasters of high-rise buildings, fire ignition points far away from the ground and rescuing fire escape personnel.
The fire engine extension ladder is composed of a plurality of sections of extension ladders, the length of each section of extension ladder is more than 5 meters, the probe of the anti-collision device is usually arranged at the foremost end of the extension ladder, the extension ladder is lifted upwards in an inclined way during operation, and the end surface of the probe of the ultrasonic ranging sensor of the existing fire engine extension ladder has a certain inclination angle along with the extension ladder, so that the probe cannot be parallel to a building, the distance between the ladder and the building such as a door, a window, a balcony and the like cannot be accurately judged, an alarm and a stop control cannot be given in time, and if the ladder is too long, the building such as the door, the window, the balcony and the like is easily scratched to cause secondary; if the ladder is too short, the distance between the ladder and buildings such as doors, windows, balconies and the like is too long, which is not beneficial to fire extinguishing and rescuing trapped people.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a counterweight type anti-collision device of a fire engine extension ladder. The end face of the ultrasonic ranging sensor probe is always kept parallel to the building, so that the distance between the end part of the extension ladder and the building is accurately judged, and timely alarming and stop control are realized.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a weight type anti-collision device for a fire fighting truck extension ladder comprises a lifting lug, a hinged shaft, an ultrasonic ranging sensor seat and a weight; the lifting lug is fixedly connected to the side face of the most front end of the fire truck extension ladder, the ultrasonic ranging sensor is fixed to the middle of the ultrasonic ranging sensor seat, and the top of the ultrasonic ranging sensor seat is hinged to the lifting lug through a hinge shaft; the weight is fixedly connected to the bottom of the ultrasonic ranging sensor seat, and the axis of the ultrasonic ranging sensor is perpendicular to the central line of the weight; when the telescopic arm is in a non-horizontal state, the gravity of the heavy hammer drives the ultrasonic ranging sensor seat to rotate around the hinged shaft, so that the end face of the ultrasonic ranging sensor is always perpendicular to the ground.
The ultrasonic ranging sensor seat comprises a supporting plate and a connecting shaft, the connecting shaft is fixedly connected to the top of the supporting plate in a perpendicular mode, the connecting shaft is provided with a hinged shaft hole, the supporting plate is plate-shaped, and the middle of the supporting plate is provided with a round hole matched with the ultrasonic ranging sensor.
The bottom center of the supporting plate is provided with an opening, and the heavy hammer is fixedly connected to the opening.
The hammer comprises a hammer body and a vertical shaft, the hammer body is a cone, one end of the vertical shaft is vertically and fixedly connected to the bottom surface of the hammer body, and the other end of the vertical shaft is fixedly connected to the ultrasonic ranging sensor seat.
Compared with the prior art, the beneficial effects of the utility model are that:
the lifting lug of the utility model is fixedly connected with the side surface of the most front end of the extension ladder of the fire engine, the ultrasonic ranging sensor is fixed at the middle part of the ultrasonic ranging sensor seat, and the top of the ultrasonic ranging sensor seat is hinged on the lifting lug through a hinged shaft; the weight is fixedly connected to the bottom of the ultrasonic ranging sensor seat, and when the telescopic arm is in a non-horizontal state, the gravity of the weight drives the ultrasonic ranging sensor seat to rotate around the hinged shaft, so that the front end face of the ultrasonic ranging sensor probe is always perpendicular to the ground, and the front end face of the ultrasonic ranging sensor probe is always parallel to a building. Therefore, the distance between the end part of the extension ladder and the building can be accurately judged, and timely alarming and stop control are realized.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the ultrasonic ranging sensor seat and the weight of the present invention;
FIG. 3 is a schematic view of the working state of the present invention;
fig. 4 is a schematic view of the three-dimensional structure of the present invention in another working state.
In the figure: 1-lifting lug 2-articulated shaft 3-ultrasonic ranging sensor 4-ultrasonic ranging sensor seat 5-heavy hammer 6-fire truck extension ladder 41-support plate 42-connecting shaft 43-articulated shaft hole 44-round hole 45-notch 51-hammer body 52-vertical shaft 7-axial line 8 of ultrasonic ranging sensor-heavy hammer central line
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
example (b):
as shown in fig. 1 and 2, the counterweight type anti-collision device for the extension ladder of the fire fighting truck comprises a lifting lug 1, a hinge shaft 2, an ultrasonic distance measuring sensor 3, an ultrasonic distance measuring sensor seat 4 and a counterweight 5. The ultrasonic ranging sensor 3 is an existing product, and is of a model CUM30-M2 DP.
As shown in fig. 2, the ultrasonic ranging sensor holder 4 includes a support plate 41 and a connecting shaft 42, and the connecting shaft 42 is vertically fixed on the top of the support plate 41.
As shown in fig. 1 and 2, the connecting shaft 42 is provided with a hinge shaft hole 43, the connecting shaft 42 of the ultrasonic ranging sensor seat 4 is hinged on the lifting lug 1 through the hinge shaft 2, and the lifting lug 1 is fixedly connected to the side surface of the foremost end of the extension ladder 6 of the fire fighting truck.
The supporting plate 41 is plate-shaped, and a circular hole 44 adapted to the ultrasonic ranging sensor 3 is formed in the middle of the supporting plate 41. The ultrasonic ranging sensor 3 is fixed to the support plate 41 through the circular hole 44. The bottom center of the supporting plate 41 is provided with a notch 45.
The weight 5 includes a weight body 51 and a vertical shaft 52, the weight body 52 is a cone, and one end of the vertical shaft 52 is vertically fixed on the bottom surface of the weight body 52. The other end is fixedly connected in a notch 45 at the bottom of the supporting plate 41. The axis 7 of the ultrasonic distance measuring sensor is perpendicular to the center line 8 of the weight.
As shown in fig. 3 and 4, when the telescopic arm 6 of the fire fighting truck is in a working state, the telescopic arm 6 of the fire fighting truck is lifted up obliquely, the gravity of the weight 5 drives the ultrasonic ranging sensor holder 4 to rotate around the hinge shaft 2, so that the end surface of the ultrasonic ranging sensor 3 is always perpendicular to the ground, and the front end surface of the probe of the ultrasonic ranging sensor is always parallel to a building. Therefore, the distance between the end part of the extension ladder and the building can be accurately judged, and timely alarming and stop control are realized.
The above embodiments are implemented on the premise of the technical solution of the present invention, and detailed implementation and specific operation processes are given, but the protection scope of the present invention is not limited to the above embodiments. The methods used in the above examples are conventional methods unless otherwise specified.
Claims (4)
1. The utility model provides a fire engine extension ladder counter weight collision device which characterized in that: the device comprises a lifting lug, a hinged shaft, an ultrasonic ranging sensor seat and a heavy hammer; the lifting lug is fixedly connected to the side face of the most front end of the fire truck extension ladder, the ultrasonic ranging sensor is fixed to the middle of the ultrasonic ranging sensor seat, and the top of the ultrasonic ranging sensor seat is hinged to the lifting lug through a hinge shaft; the weight is fixedly connected to the bottom of the ultrasonic ranging sensor seat, and the axis of the ultrasonic ranging sensor is perpendicular to the central line of the weight; when the telescopic arm is in a non-horizontal state, the gravity of the heavy hammer drives the ultrasonic ranging sensor seat to rotate around the hinged shaft, so that the end face of the ultrasonic ranging sensor is always perpendicular to the ground.
2. The counterweight type anti-collision device for the extension ladder of the fire fighting truck as claimed in claim 1, wherein: the ultrasonic ranging sensor seat comprises a supporting plate and a connecting shaft, the connecting shaft is fixedly connected to the top of the supporting plate in a perpendicular mode, the connecting shaft is provided with a hinged shaft hole, the supporting plate is plate-shaped, and the middle of the supporting plate is provided with a round hole matched with the ultrasonic ranging sensor.
3. The counterweight type anti-collision device for the extension ladder of the fire fighting truck as claimed in claim 2, wherein: the bottom center of the supporting plate is provided with an opening, and the heavy hammer is fixedly connected to the opening.
4. The counterweight type anti-collision device for the extension ladder of the fire fighting truck as claimed in claim 1, wherein: the hammer comprises a hammer body and a vertical shaft, the hammer body is a cone, one end of the vertical shaft is vertically and fixedly connected to the bottom surface of the hammer body, and the other end of the vertical shaft is fixedly connected to the ultrasonic ranging sensor seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922032568.2U CN211397422U (en) | 2019-11-22 | 2019-11-22 | Weight type anti-collision device for extension ladder of fire truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922032568.2U CN211397422U (en) | 2019-11-22 | 2019-11-22 | Weight type anti-collision device for extension ladder of fire truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211397422U true CN211397422U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922032568.2U Active CN211397422U (en) | 2019-11-22 | 2019-11-22 | Weight type anti-collision device for extension ladder of fire truck |
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| CN (1) | CN211397422U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459957A (en) * | 2021-12-31 | 2022-05-10 | 洛阳泰纳克高温仪器设备有限公司 | High-temperature viscosity tester for continuous casting covering slag |
-
2019
- 2019-11-22 CN CN201922032568.2U patent/CN211397422U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459957A (en) * | 2021-12-31 | 2022-05-10 | 洛阳泰纳克高温仪器设备有限公司 | High-temperature viscosity tester for continuous casting covering slag |
| CN114459957B (en) * | 2021-12-31 | 2024-03-26 | 洛阳泰纳克高温仪器设备有限公司 | High-temperature viscosity tester for continuous casting mold flux |
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