CN220819287U - Protection device for detecting horizontal force at end part of boarding trestle - Google Patents
Protection device for detecting horizontal force at end part of boarding trestle Download PDFInfo
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- CN220819287U CN220819287U CN202322734748.1U CN202322734748U CN220819287U CN 220819287 U CN220819287 U CN 220819287U CN 202322734748 U CN202322734748 U CN 202322734748U CN 220819287 U CN220819287 U CN 220819287U
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Abstract
The utility model discloses a horizontal force detection protection device for the end part of a boarding trestle, which comprises a fixed guide mechanism, a head telescopic mechanism and a pressure detection mechanism; the fixed guide mechanism is arranged at the end part of the landing stage pavement platform and comprises a fixed frame and an anti-collision rubber strip; a guide sleeve and a buffer sleeve are arranged on the fixing frame; the head telescopic mechanism comprises a telescopic frame, an anti-collision rubber strip, a spring buffer mechanism and a balance beam; the telescopic frame is provided with a guide circular tube, and one side of the guide circular tube, which is close to the landing stage walkway platform, is provided with a stop component; the spring buffer mechanism passes through the buffer sleeve and is connected with the expansion bracket; the balance beam is arranged at one side close to the landing stage pavement platform; the pressure detection mechanism is arranged on the landing stage pavement platform, and the position of the pressure detection mechanism on the landing stage pavement platform corresponds to the position of the balance beam. According to the utility model, the horizontal force at the end part of the boarding trestle is directly detected, so that the force detection is more convenient and simple, and the initial set value does not need to be checked before each use.
Description
Technical Field
The utility model relates to the technical field of trestle equipment, in particular to a protection device for detecting horizontal force at the end part of a boarding trestle.
Background
The landing stage is the equipment that is used for realizing the quick boarding of personnel and goods, and its tip can set up the horizontal force detection protection device that is used for detecting landing stage tip horizontal force generally, adjusts wire rope operation through winch mechanism when using to adjust tip horizontal force atress and keep invariable, ensure landing stage safety, steady operation.
At present, the horizontal force detection protection device for the landing stage is generally characterized in that a buffer cylinder is arranged at the bottom of the end part of the landing stage, the horizontal force is detected through the change of the air pressure of the cylinder after the passive compression, when the landing stage is used for a period of time, the air in the cylinder leaks to a certain extent, and when the landing stage is used again, the buffer cylinder is subjected to air supplementing to a set value, so that the horizontal force can be accurately detected.
In view of the above, it is desirable to design a new protection device for detecting horizontal force of a boarding trestle, which is more convenient for detecting force, and does not need to check before each use.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model aims to provide the protection device for detecting the horizontal force at the end part of the boarding trestle, which is used for detecting the horizontal force at the end part of the boarding trestle more conveniently and simply without checking an initial set value before each use.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a horizontal force detection protection device for the end part of a boarding trestle, which comprises a fixed guide mechanism, a head telescopic mechanism and a pressure detection mechanism;
The fixed guide mechanism is arranged at the end part of the landing stage walkway platform and comprises a fixed frame connected with the landing stage walkway platform and anti-collision rubber strips arranged at two sides of the fixed frame; the fixing frame is provided with a guide sleeve and a buffer sleeve;
The head telescopic mechanism comprises a telescopic frame, an anti-collision rubber strip, a spring buffer mechanism and a balance beam, wherein the telescopic frame is in sliding connection with the fixed guide mechanism, the anti-collision rubber strip is arranged on the outer side of the telescopic frame, the spring buffer mechanism is arranged on the telescopic frame, and the balance beam is connected with the spring buffer mechanism; the telescopic frame is provided with a guide circular tube matched with the guide sleeve, and one side of the guide circular tube, which is close to the landing stage walkway platform, is provided with a stop component; the spring buffer mechanism penetrates through the buffer sleeve and is connected with the expansion bracket; the balance beam is arranged at one side close to the landing stage pavement platform;
the pressure detection mechanism is arranged on the landing stage walkway platform and is used for detecting horizontal force of the end part of the landing stage, and the position of the pressure detection mechanism on the landing stage walkway platform corresponds to the position of the balance beam.
Preferably, the fixed guide mechanism is fixedly connected with the trestle walkway platform through pin shafts arranged at two ends of the fixing frame.
Preferably, the fixing frame is provided with two guide sleeves, and the two guide sleeves are respectively arranged at two sides of the buffer sleeve.
Preferably, the stop assembly comprises a baffle and an adjusting bolt, and the baffle is connected with the guide circular tube through the adjusting bolt.
Preferably, the spring buffer mechanism comprises a spring connecting rod, a spring, a sliding bearing and a spring base; the spring connecting rod penetrates through the buffer sleeve and is connected with the spring base in a sliding way through the spring and the sliding bearing, and the spring is sleeved on the spring connecting rod; the sliding bearing is arranged in the spring base; the spring base is fixedly connected with the telescopic frame.
Preferably, the fixing frame is provided with a stop block which is contacted with the two side plates on the balance beam.
Preferably, the pressure detection mechanism comprises two pressure sensors corresponding to the positions of two side plates of the balance beam, and bottoms of the two pressure sensors are in contact with the two side plates on the balance beam.
Preferably, the device further comprises a PLC (programmable logic controller) connected with the pressure detection mechanism, and the PLC is connected with a moving mechanism for driving the boarding trestle to horizontally move.
The protection device for detecting the horizontal force at the end part of the boarding trestle has the following beneficial effects:
1. The horizontal force is detected by the pressure sensor, so that the force detection is more convenient and simple, and the initial set value does not need to be checked before each use;
2. According to the utility model, the impact force when the end part of the trestle contacts the landing platform is buffered by arranging the spring buffer mechanism;
3. The utility model realizes the function of one standby for horizontal force detection through the pressure sensors arranged at the two ends of the balance beam;
4. According to the utility model, the horizontal force born by the end part of the trestle is prevented from exceeding a critical value through the adjustment of the telescopic length of the spring buffer mechanism;
5. The head telescopic mechanism has light weight and simple structure, and plays a role in accurately transmitting horizontal force;
6. The horizontal force detection protection device for the end part of the boarding trestle has the advantages of simple structure, low cost and convenient maintenance.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of a horizontal force detection protection device at the end of a boarding trestle;
FIG. 2 is a schematic structural view of a fixed guide mechanism of the present utility model;
FIG. 3 is a schematic view of the head telescoping mechanism of the present utility model;
FIG. 4 is a schematic view of a spring buffer mechanism according to the present utility model;
Fig. 5 is a schematic structural view of the head telescopic mechanism of the landing stage end horizontal force detection protection device according to the present utility model in an extended state and a retracted state, (a) is a schematic view of the head telescopic mechanism in an extended state, and (b) is a schematic view of the head telescopic mechanism in a retracted state;
In the figure, 10, a fixed guide mechanism; 11. a fixing frame; 12. an anti-collision rubber strip; 13. a guide sleeve; 14. a buffer sleeve; 15. a pin shaft; 20. a head telescoping mechanism; 21. a telescopic frame; 22. an anti-collision rubber strip; 23. a guide circular tube; 24. a spring buffer mechanism; 241. a spring link; 242. a spring; 243. a spring base; 244. a sliding bearing; 25. a balance beam; 26. a baffle; 27. adjusting a bolt; 28. a stop block; 30. a pressure sensor; 40. landing stage walkway platform.
Detailed Description
The present utility model will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present utility model, but are not intended to limit the utility model in any way.
Referring to fig. 1, the horizontal force detection protection device for the end part of a boarding trestle provided by the utility model comprises a fixed guide mechanism 10, a head telescopic mechanism 20 and a pressure detection mechanism; the head retracting mechanism 20 is telescopically slidable in the fixed guide mechanism 10.
Referring to fig. 1 and 2, a fixed guide mechanism 10 is disposed at an end of a landing stage deck 40, and the fixed guide mechanism 10 includes a fixing frame 11 connected to the landing stage deck 40 and anti-collision rubber strips 12 disposed at two sides of the fixing frame 11; the fixed frame 11 is provided with a guide sleeve 13 and a buffer sleeve 14. The fixed guiding mechanism 10 is fixedly connected with the trestle walking platform 40 through pin shafts 15 arranged at two ends of the fixing frame 11. As shown in fig. 2, the fixing frame 11 is provided with two guide sleeves 13, and the two guide sleeves 13 are respectively arranged at two sides of the buffer sleeve 14.
As shown in fig. 1 and 3, the head telescopic mechanism 20 includes a telescopic frame 21 slidably connected to the fixed guide mechanism 10, a rubber bumper strip 22 provided outside the telescopic frame 21, a spring buffer mechanism 24 provided on the telescopic frame 21, and a balance beam 25 connected to the spring buffer mechanism 24; the telescopic frame 21 is provided with a guide circular tube 23 matched with the guide sleeve 13, one side of the guide circular tube 23, which is close to the landing stage walkway platform 40, is provided with a stop component, and after the guide circular tube 23 passes through the guide sleeve 13, the head telescopic mechanism 20 is prevented from sliding out of the fixed guide mechanism 10 through the stop component arranged on the guide circular tube 23. The spring buffer mechanism 24 passes through the buffer sleeve 14 and is connected with the expansion bracket 21; the balance beam 25 is disposed adjacent one side of the landing deck 40.
As shown in fig. 1 and 4, the pressure detecting mechanism is disposed on the landing stage deck 40, and is used for detecting the horizontal force of the landing stage end, and the position of the pressure detecting mechanism on the landing stage deck 40 corresponds to the position of the balance beam 25.
As shown in fig. 1 and 3, the stopper assembly includes a baffle 26 and an adjusting bolt 27, and the baffle 26 is connected to the guide circular tube 23 by the adjusting bolt 27, so as to prevent the head telescoping mechanism 20 from sliding out. When in installation, the guide circular tube 23 passes through the guide sleeve 13 and the gap of the inner wall is uniform by adjusting the adjusting bolts 27 on the baffle 26, so that the telescopic type guide circular tube can be freely stretched.
As shown in fig. 1 and 4, the spring buffer mechanism 24 includes a spring link 241, a spring 242, a spring base 243, and a slide bearing 244; the spring connecting rod 241 passes through the buffer sleeve 14 and is connected with the spring base 243 in a sliding way through the spring 242 and the sliding bearing 244; wherein, the spring 242 is sleeved on the spring connecting rod 241, and the sliding bearing 244 is arranged in the spring base 243; the spring mount 243 is fixedly connected with the expansion bracket 21.
As shown in fig. 1 and 4, in order to prevent the balance beam 25 from rotating together with the spring buffer mechanism 24, the fixing frame 11 is provided with stoppers 28 that contact both side plates on the balance beam 25, and the rotation of the balance beam 25 is prevented by the stoppers 28.
As shown in fig. 1, 2, 3, and 4, the pressure detection mechanism includes two pressure sensors 30 corresponding to the positions of both side plates of the balance beam 25; when the two pressure sensors 30 are installed, the bottom is ensured to be reliably contacted with the side plates of the balance beam 25, and the spring connecting rod 241 is connected with the balance beam 25 through bolts, so that the balance beam 25 and the head telescopic mechanism are integrated, and the horizontal force born by the end part of the trestle is ensured to be reliably transferred to the pressure sensors 30.
The pressure detection mechanism on the landing stage end horizontal force detection protection device is connected with a control module for controlling the landing stage walkway platform 40 to move, and the control module receives the horizontal force detected by the two pressure sensors 30 of the pressure detection mechanism. When the horizontal force detected by the pressure sensor 30 approaches the target value, the control module controls the moving mechanism of the landing stage deck 40 to drive the landing stage end horizontal force detection protection device to retract integrally in order to protect the landing stage end, at this time, the spring buffer mechanism 24 presents a rebound state, the compression spring 242 releases a part of the horizontal force while rebounding, and when the horizontal force detected by the pressure sensor 30 is controlled within a reasonable range of the target value, the retraction action is stopped.
Referring to fig. 5, the horizontal force detection protection device for the landing stage end part of the utility model has the following specific procedures when in use:
Referring to fig. 5 (a), when the end of the bridge is not subjected to a horizontal force, the pressure detected by the pressure sensor 30 is zero or a small pressure, and this pressure is set to an initial value, and the head telescopic mechanism 20 is in an extended state. Referring to fig. 5 (b), when the end of the trestle bears horizontal pressure, the spring buffer mechanism 24 in the head telescopic mechanism 20 is compressed, so that the whole head telescopic mechanism is in a retracted state, at this time, horizontal force acts on the anti-collision rubber strip of the head telescopic mechanism 20 and is transferred to the spring buffer mechanism 24, and then transferred to the balance beam 25 through the spring buffer mechanism 24, and acts on the two pressure sensors 30 of the pressure detection mechanism through the balance beam 25, thereby realizing the detection of horizontal force.
When the pressure sensor 30 on the pressure detection mechanism detects that the bearing horizontal force of the end part of the trestle is close to the target value, in order to protect the end part of the trestle, the driving trestle walking platform 40 drives the landing trestle end part horizontal force detection protection device to retract integrally, at the moment, in order to ensure that the end part of the trestle keeps abutting operation with the landing trestle, the spring buffer mechanism 24 on the head telescopic mechanism 20 presents a rebound state, the compressed spring 242 releases part of the horizontal force born by the spring buffer mechanism 24 while rebounding, and when the horizontal force detected by the pressure sensor 30 on the pressure detection mechanism is controlled within a reasonable range of the target value, the retraction action is stopped.
In view of the foregoing, the embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, and the scope of the claims of the present utility model should be covered.
Claims (8)
1. The horizontal force detection and protection device for the end part of the boarding trestle is characterized by comprising a fixed guide mechanism, a head telescopic mechanism and a pressure detection mechanism;
The fixed guide mechanism is arranged at the end part of the landing stage walkway platform and comprises a fixed frame connected with the landing stage walkway platform and anti-collision rubber strips arranged at two sides of the fixed frame; the fixing frame is provided with a guide sleeve and a buffer sleeve;
The head telescopic mechanism comprises a telescopic frame, an anti-collision rubber strip, a spring buffer mechanism and a balance beam, wherein the telescopic frame is in sliding connection with the fixed guide mechanism, the anti-collision rubber strip is arranged on the outer side of the telescopic frame, the spring buffer mechanism is arranged on the telescopic frame, and the balance beam is connected with the spring buffer mechanism; the telescopic frame is provided with a guide circular tube matched with the guide sleeve, and one side of the guide circular tube, which is close to the landing stage walkway platform, is provided with a stop component; the spring buffer mechanism penetrates through the buffer sleeve and is connected with the expansion bracket; the balance beam is arranged at one side close to the landing stage pavement platform;
the pressure detection mechanism is arranged on the landing stage walkway platform and is used for detecting horizontal force of the end part of the landing stage, and the position of the pressure detection mechanism on the landing stage walkway platform corresponds to the position of the balance beam.
2. The boarding trestle end horizontal force detection protection device according to claim 1, wherein the fixed guide mechanism is fixedly connected with the trestle walkway platform through pin shafts arranged at two ends of the fixed frame.
3. The landing stage tip horizontal force detection protection device of claim 1, wherein the mount is provided with two guide sleeves, the two guide sleeves being disposed on either side of the buffer sleeve.
4. The landing stage end horizontal force detection and protection device of claim 1, wherein the stop assembly comprises a baffle and an adjusting bolt, and the baffle is connected with the guide circular tube through the adjusting bolt.
5. The landing stage end horizontal force detection protection device of claim 1, wherein the spring buffer mechanism comprises a spring link, a spring, a sliding bearing, a spring base; the spring connecting rod penetrates through the buffer sleeve and is connected with the spring base in a sliding way through the spring and the sliding bearing, and the spring is sleeved on the spring connecting rod; the sliding bearing is arranged in the spring base; the spring base is fixedly connected with the telescopic frame.
6. The landing stage tip horizontal force detection protection device of claim 1, wherein the fixed frame is provided with a stop block contacting with two side plates on the balance beam.
7. The landing stage end horizontal force detection and protection device according to claim 6, wherein the pressure detection mechanism comprises two pressure sensors corresponding to the positions of two side plates of the balance beam, and bottoms of the two pressure sensors are in contact with the two side plates of the balance beam.
8. The landing stage tip horizontal force detection protection device of claim 1, wherein the pressure detection mechanism is coupled to a control module that controls movement of the landing stage walkway platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322734748.1U CN220819287U (en) | 2023-10-12 | 2023-10-12 | Protection device for detecting horizontal force at end part of boarding trestle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322734748.1U CN220819287U (en) | 2023-10-12 | 2023-10-12 | Protection device for detecting horizontal force at end part of boarding trestle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220819287U true CN220819287U (en) | 2024-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322734748.1U Active CN220819287U (en) | 2023-10-12 | 2023-10-12 | Protection device for detecting horizontal force at end part of boarding trestle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220819287U (en) |
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2023
- 2023-10-12 CN CN202322734748.1U patent/CN220819287U/en active Active
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