Ship lock anti-collision locking cylinder signal detection device and method

Abstract

The application discloses a ship lock of ship lift anti-collision locking latch oil cylinder signal detection device and method, which comprises a mounting bracket, a fixing part, a guide part, a gas spring, a sliding block and a detection part. The fixing part and the guide part are arranged on the mounting bracket respectively. The fixing part is used for fixing the gas spring. The sliding block is arranged on the telescopic rod of the gas spring. The detection part is arranged on both sides of the sliding block and a trigger is arranged on the sliding block. The detection part detects the upper and lower limit positions of the sliding block at the predetermined position. The guide part is used for guiding the sliding block. The telescopic rod of the gas spring is in contact with the piston rod of the locking latch oil cylinder. The scheme solves the problems that the locking latch oil cylinder cannot be installed with a built-in stroke sensor and the piston rod arranged in the equipment cannot be detected through a conventional method. The action of the locking latch oil cylinder to the position can be accurately detected to ensure the reliability of the truss and the steel wire rope connection or separation, and the safe operation of the ship lift equipment is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of ship lift technology, in particular to a ship lift chamber anti-collision lock cylinder signal detection device and method. BACKGROUND

[0002] The ship lift chamber is provided with an anti-collision device arranged upstream and downstream to prevent a ship from colliding with the ship chamber due to loss of speed, and the anti-collision device is composed of a truss, a lock cylinder, a steel wire rope, and a steel wire rope hanger. The lock cylinder is installed at one end of the truss, and the steel wire rope and the steel wire rope hanger are fixedly connected together. The lock cylinder is used to connect the truss and the steel wire rope hanger. When the lock cylinder is pushed out, the truss is connected with the steel wire rope hanger, the truss can lift the steel wire rope to leave a water passage for the ship to enter and exit the ship chamber. When the lock cylinder is retracted, the truss is separated from the steel wire rope hanger, and the truss is lifted alone, and the steel wire rope is horizontally arranged on the water area of the ship chamber to play a role in protecting the ship chamber from collision.

[0003] The action of the lock cylinder is directly related to the reliability of the connection or separation of the truss and the steel wire rope. Due to the limitation of the site conditions and the small size of the lock cylinder, the lock cylinder does not have the condition to install an internal stroke sensor, and the piston rod of the lock cylinder needs to pass through the inside of the steel wire rope hanger. The conventional method cannot detect the action of the lock cylinder. SUMMARY

[0004] The present application aims to provide a ship lift chamber anti-collision lock cylinder signal detection device and method to solve the problem that the conventional method cannot detect the action of the lock cylinder due to the limitation of the site conditions and the small size of the lock cylinder, the lock cylinder does not have the condition to install an internal stroke sensor, and the piston rod of the lock cylinder needs to pass through the inside of the steel wire rope hanger.

[0005] The present application is achieved by the following scheme:

[0006] A ship lift chamber anti-collision lock cylinder signal detection device, comprising a mounting bracket, a fixed part, a guide part, a gas spring, a sliding block, and a detection part; the fixed part and the guide part are respectively arranged on the mounting bracket, the fixed part is used to fix the gas spring, the sliding block is arranged on the telescopic rod of the gas spring, the detection part is respectively arranged on both sides of the sliding block, and a trigger is arranged on the sliding block; the detection part detects the upper and lower limit positions of the sliding block at a predetermined position, and the guide part is used to guide the sliding block; the telescopic rod of the gas spring is in contact with the piston rod of the lock cylinder.

[0007] Based on the structure of the ship lock anti-collision latch cylinder signal detection device, the mounting bracket comprises a support vertical plate, a support horizontal plate and a reinforcing rib; the support horizontal plate is arranged vertically to the support vertical plate, and the support horizontal plate is arranged at the lower end of the side wall of the support vertical plate; and the reinforcing rib is arranged between the support horizontal plate and the support vertical plate.

[0008] Based on the structure of the ship lock anti-collision latch cylinder signal detection device, the fixed part comprises a fixed inner plate and a fixed outer plate; the fixed inner plate is provided with a connecting hole near the end face of the support vertical plate, and the fixed inner plate is fixed to the support vertical plate by means of a countersunk bolt; the contact surface of the fixed inner plate and the fixed outer plate, and the contact surface of the fixed outer plate and the fixed inner plate are all provided with connecting holes, and the fixed inner plate and the fixed outer plate are connected as a whole by means of a countersunk bolt.

[0009] Based on the structure of the ship lock anti-collision latch cylinder signal detection device, the fixed outer plate is arranged at the center of the fixed inner plate; the fixed inner plate is provided with a first arc-shaped through slot; the fixed outer plate is provided with a second arc-shaped through slot at the corresponding position, which matches the first arc-shaped through slot; the first arc-shaped through slot and the second arc-shaped through slot are combined to form a circular through slot, which is matched with the circular base of the gas spring; and the base of the gas spring is arranged in the circular through slot formed by the first arc-shaped through slot and the second arc-shaped through slot.

[0010] Based on the structure of the ship lock anti-collision latch cylinder signal detection device, the guide part comprises a fixed plate and a trapezoidal slot; the fixed plate is arranged on the support vertical plate by means of a countersunk bolt; and the trapezoidal slot is arranged at the center of the fixed plate, and the arrangement of the trapezoidal slot matches the position of the telescopic rod of the gas spring.

[0011] Based on the structure of the ship lock anti-collision latch cylinder signal detection device, the sliding block comprises a trapezoidal body and a square body; the trapezoidal body and the square body are integrally formed; the size and structure of the trapezoidal body are matched with the trapezoidal slot; the square body is provided with a through circular countersunk hole, and the two sides of the square body are provided with threaded holes connected with the trigger; and the telescopic rod is clamped into the circular countersunk hole.

[0012] Based on the structure of the ship lock anti-collision latch cylinder signal detection device, the trigger is a first sensing plate and a second sensing plate; the first sensing plate and the second sensing plate are both L-shaped metal plates; the first sensing plate and the second sensing plate both comprise a connecting vertical plate and a sensing horizontal plate; the connecting vertical plate and the sensing horizontal plate are arranged vertically; the connecting vertical plate is provided with a through hole, and the connecting vertical plate and the side wall of the square body are connected by means of a bolt.

[0013] Based on the structure of the ship lock anti-collision locking cylinder signal detection device, the first and second induction plates are arranged on the two sides of the square body, and the first and second induction plates are arranged reversely.

[0014] Based on the structure of the ship lock anti-collision locking cylinder signal detection device, the sensing part includes a first sensor mounting sheet and a second sensor mounting sheet; the first sensor mounting sheet is the same in structure as the second sensor mounting sheet, the first sensor mounting sheet is in a T shape as a whole, the tail part is straightly bent and provided with a threaded hole for mounting the first sensor mounting sheet on the supporting vertical plate; two sensors are arranged in parallel on the first sensor mounting sheet, and the direction of the sensor matches the position of the first induction plate.

[0015] The detection method of the ship lock anti-collision locking cylinder signal detection device is also disclosed, when the truss needs to be lifted alone and the steel wire rope needs to cross the water area of the ship lock to play the anti-collision protection role, the piston rod of the locking cylinder is withdrawn upward, the gas spring pushes the sliding block upward under the action of the self elastic force recovery, and the sliding block pushes the telescopic rod upward; when the first sensor sensing sheet on the right side approaches the sensor on the right side and makes the sensor send a signal for withdrawing to the position, the system controls the piston rod of the locking cylinder to stop withdrawing, at this time, the locking cylinder is withdrawn to the position, the locking cylinder is separated from the wire rope lifting head, and the truss can be lifted alone without the steel wire rope;

[0016] When the truss needs to be lifted with the steel wire rope, the piston rod of the locking cylinder is pushed out downward, the piston rod pushes the telescopic rod downward, the telescopic rod pushes the sliding block downward, and the sliding block compresses the gas spring downward; when the second sensor sensing sheet on the left side approaches the sensor on the left side and makes the sensor send a signal for pushing out to the position, the system controls the piston rod of the locking cylinder to stop pushing out, at this time, the locking cylinder is pushed out to the position, the locking cylinder is connected with the wire rope lifting head, and the truss can be lifted with the steel wire rope through the connection of the locking cylinder and the wire rope lifting head.

[0017] When the locking cylinder is pushed out, the piston rod pushes the telescopic rod and the sliding block downward to compress the gas spring; when the locking cylinder is withdrawn, the gas spring pushes the sliding block and the telescopic rod upward to reset under the action of the self elastic force. Accordingly, the sliding block accurately tracks the position of the piston rod of the locking cylinder, so that the position of the piston rod of the locking cylinder is detected by detecting the position of the sliding block.

[0018] In summary, due to the adoption of the above technical scheme, the application has the following beneficial effects:

[0019] 1) The ship chamber anti-collision lock latch oil cylinder signal detection device and method provided by the scheme solves the problems that the lock latch oil cylinder cannot be installed with an internal stroke sensor and the piston rod arranged in the equipment cannot be detected through conventional methods, can ensure the reliability of the truss and the steel wire rope connection or separation through accurate detection of the lock latch oil cylinder action to the position, and ensures the safe operation of the ship chamber equipment.

[0020] 2) In the scheme, the upward reset force of the telescopic rod and the sliding block comes from the rebound force when the gas spring is compressed, the spring force of the gas spring can be adjusted by controlling the inflation pressure, and the gas spring has stable performance and is easy and convenient to maintain.

[0021] 3) In the scheme, the trapezoidal groove is arranged in the guide part, so that the trapezoidal head of the sliding block can slide up and down in cooperation with the trapezoidal groove, which not only plays a guiding role on the sliding block, but also prevents the sliding block from overturning and losing stability when the square head is subjected to unilateral force.

[0022] 4) In the scheme, the gas spring is fixed by the fixed inner plate and the fixed outer plate, and the fixing method is reliable. When it is necessary to inflate and maintain or replace the gas spring, only the fixed outer plate of the gas spring needs to be removed, which is convenient to operate.

[0023] 5) In the scheme, one sensor sensing sheet is installed on each of the left and right sides of the sliding block, which is respectively used for detecting the lock latch oil cylinder piston rod pushing to the position and retreating to the position. Each side sensor is provided with two sensors to prevent a single sensor from being disturbed and misreporting signals, thereby improving the redundant reliability of signal detection. DETAILED DESCRIPTION

[0024] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present application;

[0025] Figure 2 It is a front view of the whole application;

[0026] Figure 3 It is a schematic diagram of the three-dimensional structure of the sliding block in the application;

[0027] Figure 4 It is a schematic diagram of the three-dimensional structure of the first sensing plate in the application;

[0028] Figure 5 It is a schematic diagram of the cooperation of the detection device and the lock latch oil cylinder in the application;

[0029] Figure 6 It is Figure 5 the cross-sectional structure schematic diagram of A-A in the application;

[0030] Figure 7 It is a structure schematic diagram of the second sensing plate at the lower limit position;

[0031] Figure 8 It is Figure 7A schematic view of a cross-sectional structure of B-B;

[0032] Fig. 1 is a mounting bracket; Fig. 2 is a fixed part; Fig. 3 is a guide part; Fig. 4 is a gas spring; Fig. 5 is a sliding block; Fig. 6 is a detection part; Fig. 7 is a trigger piece; Fig. 8 is a drainage box; Fig. 9 is a latch cylinder; Fig. 10 is a wire rope hanger; Fig. 11 is a support vertical plate; Fig. 12 is a support horizontal plate; Fig. 13 is a reinforcing rib; Fig. 21 is a fixed inner plate; Fig. 22 is a fixed outer plate; Fig. 23 is a first arc-shaped through slot; Fig. 24 is a second arc-shaped through slot; Fig. 31 is a fixed plate; Fig. 32 is a trapezoidal slot; Fig. 51 is a trapezoidal body; Fig. 52 is a square body; Fig. 61 is a first sensor mounting piece; Fig. 62 is a second sensor mounting piece; Fig. 71 is a first induction plate; Fig. 72 is a second induction plate; Fig. 711 is a connecting vertical plate; Fig. 712 is an induction horizontal plate; Fig. 81 is a water collecting cylinder; Fig. 82 is a drain pipe. DETAILED DESCRIPTION

[0033] All features disclosed in this specification, and / or all steps of any methods or processes disclosed in this specification, may be combined in any combination, except combinations where at least some of such features and / or steps are mutually exclusive.

[0034] Any feature disclosed in this specification, unless stated otherwise, can be replaced by alternative features serving the same, equivalent or similar purpose, to achieve the same, equivalent or similar result.

[0035] In the description of the application, it is to be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or element referred to must have a predetermined orientation, be constructed and operated in a predetermined orientation, and therefore cannot be understood as a limitation on the application.

[0036] In addition, the terms "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second", etc. can explicitly or implicitly include one or more of the features.

[0037] Example 1

[0038] The present application provides a technical solution:

[0039] The ship lock baffle oil cylinder 9 signal detection device at least includes but is not limited to mounting bracket 1, fixed part 2, guide part 3, gas spring 4, sliding block 5 and detection part 6; the fixed part 2 and the guide part 3 are arranged on the mounting bracket 1 respectively, the fixed part 2 is used for fixing the gas spring 4, the sliding block 5 is arranged on the telescopic rod of the gas spring 4, the detection part 6 is arranged on both sides of the sliding block 5 respectively, and the trigger 7 is arranged on the sliding block 5; the detection part 6 detects the upper and lower limit positions of the sliding block 5 at the predetermined position, and the guide part 3 is used for guiding the sliding block 5; the telescopic rod of the gas spring 4 is in contact with the piston rod of the lock baffle oil cylinder 9.

[0040] Based on the above structure, the telescopic rod of the gas spring 4 is in contact with the piston rod of the lock baffle oil cylinder 9, so that the action process of the telescopic rod of the gas spring 4 can reflect the action process of the piston rod of the lock baffle oil cylinder 9, although the lock baffle oil cylinder 9 cannot be installed with an internal stroke sensor and the piston rod is arranged in the equipment interior and cannot be detected by a conventional method, the position of the piston rod of the lock baffle oil cylinder 9 can be reflected by the position of the telescopic rod of the gas spring 4, that is, the telescopic rod of the gas spring 4 can be detected at a special position, so that the upper limit position and the lower limit position of the piston rod of the lock baffle oil cylinder 9 can be reflected, the upper limit position is the position where the lock baffle oil cylinder 9 retreats to the position and the lock baffle oil cylinder 9 is separated from the wire rope head 10, so that the truss can be lifted and operated alone without the wire rope; the lower limit position is the position where the lock baffle oil cylinder 9 pushes out to the position and the lock baffle oil cylinder 9 is connected with the wire rope head 10, so that the truss can be lifted and operated with the wire rope through the lock baffle oil cylinder 9. The telescopic rod of the gas spring 4 penetrates the steel plate of the wire rope head groove 110 on the ship deck layer and is in contact with the piston rod of the lock baffle oil cylinder 9 in the wire rope head 10.

[0041] The guide part 3 arranged in the scheme can guide the sliding block 5 more accurately, so that the sliding block 5 can slide up and down smoothly, efficiently and accurately at the predetermined position, and the trigger 7 can be contacted and triggered by the detection part 6 more smoothly.

[0042] As an example, the mounting bracket 1 is in a T-shaped structure as a whole, and the mounting bracket 1 can include a support vertical plate 11, a support horizontal plate 12 and a reinforcing rib 13; the support horizontal plate 12 is arranged vertically with the support vertical plate 11, the support horizontal plate 12 is arranged at the lower end position of the side wall of the support vertical plate 11, and the reinforcing rib 13 is arranged between the support horizontal plate 12 and the support vertical plate 11.

[0043] Based on the above structure, since the support horizontal plate 12 is arranged at the lower end position of the side wall of the support vertical plate 11, the upper end position thereof can provide a larger assembly space for other components, and the reinforcing rib 13 arranged between the support horizontal plate 12 and the support vertical plate 11 can increase the stability of the whole device.

[0044] As an example, the fixed part 2 can include a fixed inner plate 21 and a fixed outer plate 22; the fixed inner plate 21 is provided with a connecting hole near the end face of the support vertical plate 11, and the fixed inner plate 21 is fixed on the support vertical plate 11 through a countersunk bolt, the contact surface of the fixed inner plate 21 and the fixed outer plate 22, and the contact surface of the fixed outer plate 22 and the fixed inner plate 21 are all provided with connecting holes, and the fixed inner plate 21 and the fixed outer plate 22 are connected as a whole through a countersunk bolt.

[0045] The fixed outer plate 22 can be arranged at the center position of the fixed inner plate 21; a first arc-shaped through slot 23 is arranged on the fixed inner plate 21; a second arc-shaped through slot 24 matching the first arc-shaped through slot 23 is arranged at the corresponding position of the fixed outer plate 22, and the first arc-shaped through slot 23 and the second arc-shaped through slot 24 combined form a circular through slot which is matched with the circular base of the gas spring 4, and the base of the gas spring 4 is arranged in the circular through slot formed by the first arc-shaped through slot 23 and the second arc-shaped through slot 24.

[0046] Based on the above structure, by arranging the arc-shaped through slots in the fixed outer plate 22 and the fixed inner plate 21, on the one hand, the position of the gas spring 4 can be fixed, and after being fixed, the end of the base of the gas spring 4 is in contact with the support horizontal plate 12, that is, the circular through slot is used to accurately fix the position of the gas spring 4, so that the gas spring 4 always maintains vertical in the predetermined position, thereby ensuring the accuracy of the position of the telescopic rod of the gas spring 4.

[0047] As an example, the guide part 3 can include a fixed plate 31 and a trapezoidal groove 32; the fixed plate 31 is arranged on the support vertical plate 11 through a countersunk bolt, and the trapezoidal groove 32 is arranged at the center position of the fixed plate 31, and the trapezoidal groove 32 is matched with the position of the telescopic rod of the gas spring 4.

[0048] The sliding block 5 can include a trapezoidal body 51 and a square body 52; the trapezoidal body 51 and the square body 52 are integrally formed, the size and structure of the trapezoidal body 51 are matched with the trapezoidal groove 32, so that the trapezoidal body 51 can accurately move under the guidance of the trapezoidal groove 32; a circular countersunk hole is arranged on the square body 52, and threaded holes connected with the trigger 7 are arranged on both sides of the square body 52; the telescopic rod is clamped into the circular countersunk hole.

[0049] Based on the above structure, by arranging the trapezoidal groove 32, the trapezoidal body 51 can be accurately guided, the sliding block 5 is limited in the trapezoidal groove 32 of the guide part 3, and the sliding block 5 reaches the guiding and limiting effect when sliding up and down; the telescopic rod is clamped into the circular countersunk hole of the square body 52, so that the sliding block 5 and the telescopic rod are fixed as a whole, and under the action of the telescopic rod, the sliding block 5 can be driven to move synchronously in the specified direction.

[0050] As an example, the trigger can be a first induction plate 71 and a second induction plate 72, both of which are L-shaped metal plates, and both of which can include a connecting vertical plate 711 and an induction horizontal plate 712; the connecting vertical plate 711 and the induction horizontal plate 712 are vertically arranged, and the connecting vertical plate 711 is provided with a through hole, and the connecting vertical plate 711 is connected with the side wall of the square body 52 through a bolt.

[0051] The first induction plate 71 and the second induction plate 72 are respectively arranged on both sides of the square body 52, and the first induction plate 71 and the second induction plate 72 are reversely arranged, that is, the first induction plate 71 and the second induction plate 72 are centrally symmetrically arranged along the center of the square body 52.

[0052] Based on the above structure, the first induction sheet and the second induction sheet reversely arranged can avoid other internal components, so that the whole triggering process is more efficient.

[0053] As an example, the induction part can include a first sensor mounting sheet 61 and a second sensor mounting sheet 62; the first sensor mounting sheet 61 and the second sensor mounting sheet 62 are similar in structure, and the first sensor mounting sheet 61 is taken as an example, the first sensor mounting sheet 61 is T-shaped as a whole, the tail is straightly bent at right angles and is provided with a threaded hole, which is used for mounting the first sensor mounting sheet 61 on the supporting vertical plate 11; two sensors are arranged in parallel on the first sensor mounting sheet 61, and the direction of the sensor matches the position of the first induction plate 71;

[0054] Similarly, the direction of the sensor on the second sensor mounting sheet 62 matches the position of the second induction sheet.

[0055] Based on the above structure, when the truss needs to be lifted alone, and the steel wire rope needs to cross the water area of the ship cabin to prevent collision, the piston rod of the latch oil cylinder 9 is withdrawn upward, the gas spring 4 pushes the sliding block 5 upward under the action of its own elastic recovery, and the sliding block 5 pushes the telescopic rod upward; when the first sensor induction sheet on the right side approaches the sensor on the right side and makes the sensor send a signal to withdraw to the position, the system controls the piston rod of the latch oil cylinder 9 to stop withdrawing, at this time, the latch oil cylinder 9 withdraws to the position, the latch oil cylinder 9 is separated from the wire rope hook 10, and the truss can be lifted alone without the steel wire rope;

[0056] When the truss needs to be lifted with the steel wire rope, the piston rod of the latch oil cylinder 9 is pushed out downward, the piston rod pushes the telescopic rod downward, the telescopic rod pushes the sliding block 5 downward, and the sliding block 5 compresses the gas spring 4 downward; when the second sensor induction sheet on the left side approaches the sensor on the left side and makes the sensor send a signal to push out to the position, the system controls the piston rod of the latch oil cylinder 9 to stop pushing out, at this time, the latch oil cylinder 9 pushes out to the position, the latch oil cylinder 9 is connected with the wire rope hook 10, and the truss can be lifted with the steel wire rope through the connection of the latch oil cylinder 9 and the wire rope hook 10.

[0057] As an example, a drainage box 8 is also arranged on the telescopic rod, which includes a water collecting cylinder 81 and a drainage pipe 82; a through hole is arranged in the middle of the bottom of the water collecting cylinder 81 for the telescopic rod to pass through, and the through hole in the bottom of the drainage box 8 is fixed and sealed with the telescopic rod by means of sealing glue or welding; the length of the drainage pipe 82 of the drainage box 8 should meet the requirement of draining the accumulated water outside the device to avoid affecting the air spring 4 and the sensor below.

[0058] Based on the above structure, the drainage box 8 arranged on the telescopic rod is used to collect and drain away the rainwater and impurities flowing down along the push rod, so as to avoid damaging the air spring 4 installed below.

[0059] Embodiment 2

[0060] Based on the structure of the above embodiment 1, the present application provides a technical solution:

[0061] A signal detection method for a ship lock chamber anti-collision locking cylinder 9, when the truss needs to be lifted alone and the steel wire rope needs to cross the water area of the ship lock to play a role in anti-collision protection, the piston rod of the locking cylinder 9 is withdrawn upward, the air spring 4 pushes the sliding block 5 upward under the action of its own elastic force recovery, and the sliding block 5 pushes the telescopic rod upward; when the first sensor sensing sheet on the right side approaches the sensor on the right side and makes the sensor send a signal to withdraw to the position, the system controls the piston rod of the locking cylinder 9 to stop withdrawing operation, at this time, the locking cylinder 9 withdraws to the position, the locking cylinder 9 is separated from the steel wire rope lifting head 10, and the truss can be lifted alone without the steel wire rope;

[0062] When the truss needs to be lifted with the steel wire rope, the piston rod of the locking cylinder 9 is pushed out downward, the piston rod pushes the telescopic rod downward, the telescopic rod pushes the sliding block 5 downward, and the sliding block 5 compresses the air spring 4 downward; when the second sensor sensing sheet on the left side approaches the sensor on the left side and makes the sensor send a signal to push to the position, the system controls the piston rod of the locking cylinder 9 to stop pushing operation, at this time, the locking cylinder 9 pushes to the position, the locking cylinder 9 is connected with the steel wire rope lifting head 10, and the truss can be lifted with the steel wire rope through the connection of the locking cylinder 9 and the steel wire rope lifting head 10.

[0063] When the locking cylinder 9 is pushed out, the piston rod pushes the telescopic rod and the sliding block 5 downward to compress the air spring 4; when the locking cylinder 9 is withdrawn, the air spring 4 pushes the sliding block 5 and the telescopic rod upward to reset under the action of its own elastic force. Accordingly, the sliding block 5 accurately tracks the position of the piston rod of the locking cylinder 9, so as to achieve the purpose of detecting the position of the piston rod of the locking cylinder 9 by detecting the position of the sliding block 5.

[0064] In the present scheme, the upward resetting force of the telescopic rod and the sliding block 5 comes from the rebound force of the air spring 4 when it is compressed, the elastic force of the air spring 4 can be adjusted by controlling the inflation pressure, and the air spring 4 has stable performance and is easy and convenient to maintain.

[0065] The trapezoidal groove 32 is arranged in the guide part 3, so that the trapezoidal head of the sliding block 5 can slide up and down in cooperation with the trapezoidal groove 32, which not only plays a guiding role on the sliding block 5, but also prevents the sliding block 5 from overturning and losing stability when the square head is subjected to force on one side

[0066] In the scheme, the gas spring 4 is fixed by the fixed inner plate 21 and the fixed outer plate 22, and the fixing mode is reliable. When it is necessary to inflate and maintain or replace the gas spring 4, only the fixed outer plate 22 of the gas spring 4 needs to be removed, and the operation is convenient.

[0067] In the scheme, one sensor sensing sheet is installed on each of the left and right sides of the sliding block 5, which are respectively used for detecting that the piston rod of the latch oil cylinder 9 is pushed to the position and retreated to the position. Two sensors are arranged on each side of the sensor, so as to prevent a single sensor from being interfered and mis-signaling, and the signal detection redundancy reliability is improved.

[0068] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A ship lift cabin anti-collision latch cylinder signal detection device, characterized in that: The device comprises a mounting bracket, a fixing portion, a guide portion, a gas spring, a slider, and a detection portion; the fixing portion and the guide portion are respectively arranged on the mounting bracket, the fixing portion is used to fix the gas spring, the slider is arranged on the telescopic rod of the gas spring, the detection portion is respectively arranged on both sides of the slider, and a trigger member is provided on the slider; the detection portion detects the upper and lower limit positions of the slider at a predetermined position, and the guide portion is used to guide the slider; the telescopic rod of the gas spring contacts the piston rod of the latch cylinder; When the truss needs to be lifted alone and the wire rope is stretched across the water area of ​​the ship compartment to play an anti-collision protection role, the piston rod of the latch cylinder retracts upward, and the gas spring pushes the slider upward under the action of its own elastic recovery, and the slider pushes the telescopic rod upward; when the first sensor sensing piece on the right side approaches the sensor on the right side and the sensor sends a retraction signal, the system controls the piston rod of the latch cylinder to stop retracting. At this time, the latch cylinder retracts into place, and the latch cylinder is separated from the wire rope lifting head, and the truss can be lifted alone without the wire rope; When the truss needs to be lifted with the wire rope, the piston rod of the latch cylinder is pushed downward, the piston rod pushes the telescopic rod downward, the telescopic rod pushes the slider downward, and the slider compresses the gas spring downward; When the second sensor on the left approaches the sensor on the left and the sensor sends a push-in position signal, the system controls the piston rod of the latch cylinder to stop pushing out. At this time, the latch cylinder is pushed into position and connected to the wire rope head. The truss is connected to the wire rope head through the latch cylinder and can be lifted with the wire rope. When the latch cylinder is pushed out, the piston rod pushes the telescopic rod and the slider downward to compress the gas spring; when the latch cylinder is retracted, the gas spring pushes the slider and the telescopic rod upward to reset under its own elastic force; thereby, the slider accurately tracks the position of the latch cylinder piston rod, thereby achieving the purpose of detecting the position of the latch cylinder piston rod by detecting the position of the slider.

2. The ship lift cabin anti-collision latch oil cylinder signal detection device according to claim 1, characterized in that: The mounting bracket includes a supporting vertical plate, a supporting horizontal plate and reinforcing ribs; the supporting horizontal plate is arranged perpendicular to the supporting vertical plate, the supporting horizontal plate is arranged at the lower end position of the side wall of the supporting vertical plate, and the reinforcing ribs are arranged between the supporting horizontal plate and the supporting vertical plate.

3. The ship lift cabin anti-collision latch oil cylinder signal detection device according to claim 2, characterized in that: The fixing part includes a fixed inner plate and a fixed outer plate; a connecting hole is provided on the end face of the fixed inner plate close to the supporting vertical plate, and the fixed inner plate is fixed to the supporting vertical plate by countersunk bolts, and connecting holes are provided on the contact surface between the fixed inner plate and the fixed outer plate, as well as on the contact surface between the fixed outer plate and the fixed inner plate, and the fixed inner plate and the fixed outer plate are connected as a whole by countersunk bolts.

4. The ship lift cabin anti-collision latch oil cylinder signal detection device according to claim 3, characterized in that: The fixed outer plate is arranged at the center position of the fixed inner plate; a first arc-shaped through groove is arranged on the fixed inner plate; a second arc-shaped through groove matching the first arc-shaped through groove is arranged at a corresponding position on the fixed outer plate, and the circular through groove formed by the combination of the first arc-shaped through groove and the second arc-shaped through groove is of a size that is adapted to the circular base of the gas spring, and the base of the gas spring is arranged in the circular through groove formed by the first arc-shaped through groove and the second arc-shaped through groove.

5. The ship lift cabin anti-collision latch oil cylinder signal detection device according to claim 4, characterized in that: The guide portion includes a fixing plate and a trapezoidal groove; the fixing plate is fixed to the supporting vertical plate by countersunk bolts, and the trapezoidal groove is arranged at the center position of the fixing plate, and the arrangement of the trapezoidal groove matches the position of the telescopic rod of the gas spring.

6. The ship lift cabin anti-collision latch oil cylinder signal detection device according to claim 5, characterized in that: The slider includes a trapezoidal body and a square body; the trapezoidal body and the square body are integrally formed, the size structure of the trapezoidal body is adapted to the trapezoidal groove, a penetrating circular countersunk hole is provided on the square body, and threaded holes connected to the trigger member are provided on both sides of the square body; the telescopic rod is inserted into the circular countersunk hole.

7. The ship lift cabin anti-collision latch oil cylinder signal detection device according to claim 6, characterized in that: The triggering member is a first sensing plate and a second sensing plate, both of which are L-shaped metal plates, and both of which include a connecting vertical plate and a sensing horizontal plate; the connecting vertical plate and the sensing horizontal plate are vertically arranged, and a through hole is provided on the connecting vertical plate, and the connecting vertical plate is connected to the side wall of the square body by bolts.

8. The ship lift cabin anti-collision latch oil cylinder signal detection device according to claim 7, characterized in that: The first sensing plate and the second sensing plate are respectively arranged on both sides of the square body, and the first sensing plate and the second sensing plate are arranged in opposite directions.

9. The ship lift cabin anti-collision latch oil cylinder signal detection device according to claim 8, characterized in that: The sensing part includes a first sensor mounting piece and a second sensor mounting piece; the first sensor mounting piece and the second sensor mounting piece have the same structure, the first sensor mounting piece is T-shaped as a whole, the tail of the first sensor mounting piece is bent at a right angle and is provided with a threaded hole for mounting the first sensor mounting piece on the supporting vertical plate; two sensors are arranged in parallel on the first sensor mounting piece, and the direction of the sensors matches the position of the first sensing plate.

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