CN220684086U - Bridge ship unloader forearm roof beam dolly positioning system - Google Patents
Bridge ship unloader forearm roof beam dolly positioning system Download PDFInfo
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- CN220684086U CN220684086U CN202322435515.1U CN202322435515U CN220684086U CN 220684086 U CN220684086 U CN 220684086U CN 202322435515 U CN202322435515 U CN 202322435515U CN 220684086 U CN220684086 U CN 220684086U
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- scale
- forearm
- positioning system
- ship unloader
- trolley
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- 210000000245 forearm Anatomy 0.000 title claims abstract description 38
- 238000006073 displacement reaction Methods 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Ship Loading And Unloading (AREA)
Abstract
The utility model relates to the technical field of bridge ship unloader, and discloses a forearm girder trolley positioning system of a bridge ship unloader, which comprises a forearm girder formed by welding a plurality of railing transverse pipes and railing upright rods, wherein a movable trolley is arranged on the forearm girder, a scale analysis mechanism is arranged on each railing transverse pipe and comprises a scale ruler and a scale analyzer, and the scale analyzer is electrically connected with the scale ruler through a lead; the side of travelling car is provided with scale and generates the mechanism, scale generates the mechanism and includes vernier pointer and scale generator. The utility model generates signals through the vernier pointer and the graduated scale displacement moment analyzer and the graduated generator, and measures the accurate position of the vernier pointer movement, has simple operation and accurate measurement, and is less influenced by environmental factors.
Description
Technical Field
The utility model belongs to the technical field of bridge ship unloaders, and particularly relates to a positioning system for a forearm beam trolley of a bridge ship unloader.
Background
With the acceleration of the industrialization process, unmanned automation of mobile devices is becoming more and more urgent. Especially, for heavy and large equipment, the calibration scale is used for positioning and ranging more and more, at present, the detection of the front arm beam trolley position of the bridge type ship unloader mostly adopts the human eye positioning of a self-propelled cab, a laser ranging sensor and a walking limit switch, the error of the human eye positioning mode is large, the accurate position is difficult to obtain, the laser ranging instrument is easily influenced by environmental factors such as temperature, air pressure and humidity, the walking limit switch needs to contact with a contact, the walking limit switch is worn after long-time use, the semi-automatic operation and the full-automatic operation are difficult to reliably and stably operate, and the development of enterprises is influenced.
The present utility model has been made in view of this.
Disclosure of Invention
In order to solve the technical problems that the detection of the front arm beam trolley of the bridge type ship unloader at present mostly adopts the human eye positioning of a self-propelled cab, a laser ranging sensor and a walking limit switch, and the human eye positioning mode has larger error and is difficult to acquire an accurate position, the laser ranging instrument is easy to be influenced by environmental factors such as temperature, air pressure, humidity and the like, the walking limit switch needs to be contacted with a contact, the walking limit switch is worn after long-time use, so that the semiautomatic operation and the full automatic operation are difficult to reliably and stably operate, and the development of enterprises is influenced, the basic conception of the adoption of the technical scheme is as follows:
the forearm girder trolley positioning system of the bridge ship unloader comprises a forearm girder formed by welding a plurality of railing transverse pipes and railing upright rods, wherein a movable trolley is arranged on the forearm girder, a scale analysis mechanism is arranged on each railing transverse pipe and comprises a scale ruler and a scale analyzer, the scale analyzer is electrically connected with the scale ruler through a wire, and the scale ruler is positioned at the top of each railing transverse pipe;
the side surface of the mobile trolley is provided with a scale generation mechanism, and the scale generation mechanism comprises a vernier pointer and a scale generation instrument;
and generating signals through a vernier pointer and a graduated scale displacement moment analyzer and a graduated generator, and measuring the accurate moving position of the vernier pointer.
As a preferable implementation mode of the utility model, a plurality of scale brackets are arranged at the top of the rail transverse tube, a clamp is arranged at the top of the scale brackets, a graduated scale is arranged at the top of the scale brackets through bolts by the clamp, the graduated scale is formed by splicing a plurality of sections of short scales which are connected in a tail-turning way, when the ship unloader is in a non-working state, the forearm beam can be lifted up for an angle degree, and is hooked and fixed by a safety hook so as not to obstruct operations such as the landing, the departure and the like of a ship, the graduated scale of the positioning system can be lifted up and bent up along with the forearm beam, and the safety of equipment of the positioning system can be ensured.
As a preferred embodiment of the utility model, a pointer bracket is arranged on the side surface of the mobile trolley, the top of the vernier pointer is arranged at the bottom of the pointer bracket, and the pointer bracket is used for installing the vernier pointer.
As a preferred implementation mode of the utility model, the scale analyzer is arranged in the ground cabinet, the phase comparison is carried out on the received signals by the scale analyzer, the signal phase of the crossed line is the same as that of the parallel line, and the address is 0; the signal phase of the cross line is opposite to that of the parallel line, the address is '1', and the address information sensed in the way is in a digital coding arrangement, so that the position of the vernier pointer in the length direction of the graduated scale is determined.
As a preferred embodiment of the utility model, the scale generator is mounted inside the vehicle-mounted electric cabinet of the travelling trolley, and when alternating current is supplied to the vernier pointer coil through the scale generator, an alternating magnetic field is generated near the vernier pointer. The graduated scale is approximately in an alternating, uniformly distributed magnetic field, and each pair of graduated scale core wires generates induced electromotive force. The signal of the scale generator is transmitted to the induction loop line of the scale bar in an electromagnetic coupling mode.
Compared with the prior art, the utility model has the following beneficial effects:
when the bridge ship unloader works, the overhead forearm beam is put down to the horizontal position, two tracks on the forearm beam platform are naturally aligned to form a straight line, the mobile trolley can move to the front end along the tracks, and the mobile trolley drives the grab bucket to carry out loading and unloading operation on ship cargoes. When the ship unloader is in a non-working state, the forearm beam can be lifted up by 80 degrees, and the forearm beam is hooked and fixed by a safety hook so as not to prevent the operations of the ship such as landing, departure and the like, and the graduated scale of the positioning system can be lifted up, bent and rolled up along with the forearm beam, so that the safety of equipment of the positioning system can be ensured;
the positioning system detects the displacement of the mobile trolley by adopting Faraday electromagnetic induction law, and when alternating current is introduced into the pointer coil of the vernier through the scale generator, an alternating magnetic field is generated near the vernier pointer. The graduation staff is approximately positioned in an alternating and uniformly distributed magnetic field, each pair of graduation staff core wires can generate induced electromotive force, and a graduation generator signal is transmitted to an induction loop line of the graduation staff in an electromagnetic coupling mode. The scale analyzer compares the phases of the received signals, the signal phase of the crossed line is the same as the signal phase of the parallel line, and the address is 0; the signal phase of the crossed lines is opposite to that of the parallel lines, the address is 1, the address information sensed in the way is in digital coding arrangement, the position of the vernier pointer in the length direction of the graduated scale is determined, the corresponding position is the walking position of the mobile trolley, and therefore the accurate moving position of the mobile trolley is determined.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic diagram of a scale arrangement of a bridge ship unloader forearm girder trolley positioning system according to the present utility model;
FIG. 2 is a schematic view of a moment scale of the elevation of a forearm beam of a bridge ship unloader;
FIG. 3 is a schematic cross-sectional view of a positioning system for a forearm girder trolley of a bridge ship unloader;
fig. 4 is a schematic diagram of a fixture of a positioning system for a forearm girder trolley of a bridge ship unloader.
In the figure: 1. a rail cross tube; 2. railing pole setting; 3. a moving trolley; 4. a graduated scale; 5. a scale support; 6. a clamp; 7. a vernier pointer; 8. a pointer support; 9. a scale analyzer; 10. a scale generator.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.
As shown in fig. 1 to 4, a forearm beam trolley positioning system of a bridge ship unloader comprises a forearm beam formed by welding a plurality of railing transverse pipes 1 and railing upright rods 2, wherein a movable trolley 3 is arranged on the forearm beam, a scale analysis mechanism is arranged on the railing transverse pipes 1 and comprises a scale 4 and a scale analyzer 9, the scale analyzer 9 is electrically connected with the scale 4 through a wire, and the scale 4 is positioned at the top of the railing transverse pipes 1;
the side surface of the movable trolley 3 is provided with a scale generation mechanism, and the scale generation mechanism comprises a vernier pointer 7 and a scale generation instrument 10;
the vernier pointer 7 and the graduated scale 4 generate displacement time, a degree analyzer 9 and a graduated generator 10 generate signals, and the accurate moving position of the vernier pointer 7 is measured;
the distance between the vernier pointer 7 and the graduated scale 4 is 100mm plus or minus 20mm.
As shown in fig. 1 to 4, in a specific embodiment, a plurality of scale brackets 5 are installed at the top of the rail cross tube 1, a clamp 6 is installed at the top of the scale brackets 5, the clamp 6 installs a graduated scale 4 at the top of the scale brackets 5 through bolts, and the graduated scale 4 is formed by splicing short scales in multi-section ending rotation connection. In this setting, the forearm roof beam can rise 80 when ship unloader is in non-operational condition to hook it with the safety hook and fix, with the operation such as not hindering the ship to shore, departure, the scale 4 of positioning system can rise the crooked book along with the forearm roof beam, can ensure positioning system equipment safety.
As shown in fig. 1 to 4, further, a pointer support 8 is mounted on the side of the travelling car 3, and the top of the vernier pointer 7 is mounted on the bottom of the pointer support 8. In this arrangement, the pointer support 8 is used to mount the vernier pointer 7.
As shown in fig. 1 to 4, further, the scale analyzer 9 is installed inside the floor cabinet. In the arrangement, the scale analyzer 9 performs phase comparison on the received signals, the signal phase of the crossed line is the same as that of the parallel line, and the address is 0; the signal phase of the crossing line is opposite to that of the parallel line, the address is "1", and the address information thus sensed is a digitally encoded arrangement, thereby determining the position of the vernier pointer 7 in the length direction of the scale 4.
As shown in fig. 1 to 4, further, the scale generator 10 is installed inside the vehicle-mounted electric cabinet of the traveling carriage 3. In this configuration, when alternating current is supplied to the coil of the vernier pointer 7 through the scale generator 10, an alternating magnetic field is generated in the vicinity of the vernier pointer 7. The graduated scales 4 are approximately in an alternating, uniformly distributed magnetic field, and each pair of graduated scale 4 core wires can generate induced electromotive force. The signal of the scale generator 10 is transmitted to the induction loop line of the scale 4 by electromagnetic coupling.
The implementation principle of the forearm girder trolley positioning system of the bridge ship unloader is as follows: when the bridge ship unloader works, the overhead forearm beam is put down to the horizontal position, two tracks on the forearm beam platform are naturally aligned to form a straight line, the mobile trolley 3 can move to the front end along the tracks, and the mobile trolley 3 drives the grab bucket to carry out loading and unloading operation on ship cargoes. When the ship unloader is in a non-working state, the forearm beam can be lifted up by 80 degrees, and the forearm beam is hooked and fixed by a safety hook so as not to prevent the operation of the ship such as landing, departure and the like, and the graduation scale 4 of the positioning system can be lifted up, bent and rolled up along with the forearm beam, so that the safety of equipment of the positioning system can be ensured;
the positioning system detects the displacement of the mobile trolley 3 by adopting Faraday electromagnetic induction law, and when alternating current is introduced into the coil of the vernier pointer 7 through the scale generator 10, an alternating magnetic field is generated near the vernier pointer 7. The graduation staff 4 is approximately in an alternating and uniformly distributed magnetic field, each pair of graduation staff 4 core wires can generate induced electromotive force, and the signals of the graduation generator 10 are transmitted to the induction loop lines of the graduation staff 4 in an electromagnetic coupling mode. The scale analyzer 9 compares the phases of the received signals, the phase of the signals of the crossed lines is the same as that of the signals of the parallel lines, and the address is 0; the signal phase of the intersecting line is opposite to the signal phase of the parallel line, the address is "1", and thus the sensed address information is a digital code arrangement, thereby determining the position of the vernier pointer 7 in the length direction of the graduated scale 4, and the corresponding position is the walking position of the travelling trolley 3, thereby determining the accurate position of the movement of the travelling trolley 3.
Claims (5)
1. The utility model provides a bridge ship unloader forearm roof beam dolly positioning system, includes the forearm roof beam that is formed by welding of many railing cross tubes (1) and railing pole setting (2), install travelling car (3) on the forearm roof beam, its characterized in that, be provided with scale analysis mechanism on railing cross tube (1), scale analysis mechanism includes scale (4) and scale analysis appearance (9), scale analysis appearance (9) pass through wire and scale (4) electric connection, scale (4) are located the top of railing cross tube (1);
the side surface of the mobile trolley (3) is provided with a scale generation mechanism, and the scale generation mechanism comprises a vernier pointer (7) and a scale generation instrument (10);
the vernier pointer (7) and the graduated scale (4) generate displacement time, a degree analyzer (9) and a graduated generator (10) generate signals, and the accurate moving position of the vernier pointer (7) is measured.
2. The positioning system for the forearm girder trolley of the bridge ship unloader according to claim 1, wherein a plurality of scale brackets (5) are arranged at the top of the railing cross tube (1), a clamp (6) is arranged at the top of the scale brackets (5), a graduated scale (4) is arranged at the top of the scale brackets (5) through bolts by the clamp (6), and the graduated scale (4) is formed by splicing short scales in multi-section ending rotation connection.
3. The positioning system of the bridge ship unloader forearm girder trolley according to claim 1, wherein a pointer bracket (8) is installed on the side surface of the mobile trolley (3), and the top of the vernier pointer (7) is installed at the bottom of the pointer bracket (8).
4. A bridge ship unloader forearm girder trolley positioning system according to claim 1, characterized in that the scale analyzer (9) is mounted inside a floor cabinet.
5. The bridge ship unloader forearm girder trolley positioning system according to claim 1, wherein the scale generator (10) is installed inside a vehicle-mounted electric cabinet of the mobile trolley (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322435515.1U CN220684086U (en) | 2023-09-08 | 2023-09-08 | Bridge ship unloader forearm roof beam dolly positioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322435515.1U CN220684086U (en) | 2023-09-08 | 2023-09-08 | Bridge ship unloader forearm roof beam dolly positioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220684086U true CN220684086U (en) | 2024-03-29 |
Family
ID=90372479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322435515.1U Active CN220684086U (en) | 2023-09-08 | 2023-09-08 | Bridge ship unloader forearm roof beam dolly positioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220684086U (en) |
-
2023
- 2023-09-08 CN CN202322435515.1U patent/CN220684086U/en active Active
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